CN101811844A - Building adhesive production system - Google Patents
Building adhesive production system Download PDFInfo
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- CN101811844A CN101811844A CN 201010144263 CN201010144263A CN101811844A CN 101811844 A CN101811844 A CN 101811844A CN 201010144263 CN201010144263 CN 201010144263 CN 201010144263 A CN201010144263 A CN 201010144263A CN 101811844 A CN101811844 A CN 101811844A
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Abstract
The invention discloses a building adhesive production system. The system comprises a storage tank, a reaction tank, a heating system, a cooling system and a condensation system, wherein the storage tank is used to store materials for production and add the materials in the reaction tank through a pumping device; the reaction tank contains a dissolving tank, a polymerization tank and a homogenization tank; the dissolving tank is used to dissolve solid materials, the polymerization tank is the carrier of polymerization reaction of the materials, the homogenization tank is used to store the product generated in the polymerization tank; the heating system is used to heat the dissolving tank and the polymerization tank; the cooling system is used to cool the dissolving tank, the polymerization tank and the homogenization tank; the condensation system is used to cool the polymerization tank; and the dissolving tank, the polymerization tank and the homogenization tank are arranged in different layers of a workshop from top to bottom according to the technical process and are connected together through pipes with valves. The system adopts tower type layout, each procedure is independent and the procedures are connected tightly, thus effectively reducing floor space, increasing productivity, reducing cost, avoiding pollution and ensuring quality of products.
Description
Technical field
The present invention relates to material of construction production unit technical field, particularly relate to a kind of production system that is used to produce building adhesives such as concrete interface treating agent, white glue with vinyl or Polymer Synthesizing architecture adhesion agent.
Background technology
Along with the continuous development of architecture construction technology, the application of building adhesive in construction work also more and more widely.
Several types such as at present, the building adhesive on the market mainly contains aqueous polyvinyl acetate emulsion, vinyl acetate-acrylate copolymer emulsion, 108 architecture adhesion agents, mill water is solid, wall is pluged with molten metal.
Aqueous polyvinyl acetate emulsion is to be the macromolecule emulsion that monomer polymerization forms with the vinyl acetate, it is aqueous polyvinyl acetate emulsion, be commonly called as white glue with vinyl, be applicable to the bonding of various sheet materials, solid wood and woodwork, also be applicable to the bonding and batch Puttying of wall paper, wallpaper, paper product.
Vinyl acetate-acrylate copolymer emulsion is the macromolecule emulsion that forms with vinyl acetate and acrylic acid copolymer, also claims white glue with vinyl, is applicable to bonding, the sheet processing and the unsewn binding of wall paper in the house decoration, wallpaper, also is widely used in the decorative engineering construction.
108 architecture adhesion agents are a kind of Polymer Synthesizing architecture adhesion agents, and its outward appearance is the micro white transparent colloid, and construction workability is good, cohesive strength is high, economical and practical, are applicable to the stickup of wall, floor tile in the normal temperature laboratory environment.
Mill water is to be the indoor coating film waterproof material of water-based of main raw material with the acrylic ester polymer admittedly, be applicable to kitchen, toilet waterproof, anti-blend leakproof and handle, be applicable to that also the plate of timber floor is moistureproof down.
It is the polymer concrete interface treating agent that wall is pluged with molten metal, outward appearance is the oyster white glue, has excellent permeation, can fully soak into metope basic unit, make basic unit closely knit, improve smooth basic unit interface sticking power, the cohesive strength height, guarantee that the cement plucking is solid and reliable, improve the cohesive strength of putty or mortar and metope basic unit, prevent hollowing, be applicable to concrete, gas concrete, brick mix metope criticize Puttying or plaster before the interface processing of basic unit, carry out manually " making hair " in metope basic unit before being applicable to sticking brick, both made the cement plucking, also be applicable to the stickup wall paper.
Because country is more and more higher to the requirement of material of construction environmental-protecting performance, each big scientific research institution and manufacturer all very pay attention to the prescription of building adhesive, the some of them old product is eliminated by market gradually, the substitute is the more superior product innovation of environmental-protecting performance.
Yet, under the situation that adhesive formula is updated, the development of its production system but lags far behind prescription, though the production system that falls behind can be kept the ordinary production of tackiness agent reluctantly, but inferior position at aspects such as production capacity, energy-saving and environmental protection, costs, seriously undermine the competitive power of adhesive product on market, can not satisfy the needs in market.
Specifically, traditional production system adopts the planar layout type, promptly produce required various tank bodies, kettlies etc. all are in same plane in the workshop, not only floor space is big, and the layout type of complanation is unfavorable for mass transport, when material when a tank body or kettle enter another tank body or kettle, needing to lay the also independent installation transferpump of complicated pipelines carries, because the tank body and the kettle of whole production system are more, therefore need to install a large amount of pipeline and transferpump, too much pipeline and transferpump cause system architecture too complicated, not only design difficulty is big, the laid down cost height, and equipment failure rate height, production capacity is low, not easy care, maintenance.
Therefore, how designing a kind of new building adhesive production system, to simplify structure, reduce floor space, improve production capacity, to save cost, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of building adhesive production system.This system adopts tower processing set-up, and each operation is independent and compact to be connected, and can effectively simplify structure, reduces floor space, improves production capacity, save cost.
For solving the problems of the technologies described above, the invention provides a kind of building adhesive production system, comprising:
Storage tank is used to store and produces required material and add materials to reactor by pumping equipment;
Reactor comprises dissolution kettle, polymeric kettle and homogenizing still, and wherein said dissolution kettle is used for the dissolved solids material, and polymeric kettle is the carrier that material carries out polyreaction, and the homogenizing still is used for being stored in the product that polymeric kettle generates;
Described dissolution kettle, polymeric kettle and homogenizing still are arranged in each layer of workshop from top to bottom according to the trend of technical process, and are connected by the pipeline that is provided with valve.
Preferably, described dissolution kettle, polymeric kettle, homogenizing still lay respectively at the 3rd layer in workshop, the second layer, the first layer.
Preferably, described dissolution kettle and polymeric kettle connect one to one, homogenizing still of the corresponding connection of per two described polymeric kettles.
Preferably, further comprise and be used for described dissolution kettle, polymeric kettle and homogenizing still are carried out the refrigerative cooling system, described cooling system is provided with cooling tower, its CWR road is divided into two-way, wherein one the tunnel leads to cooling tower, return circulating water pool after the cooling tower cooling, circulating water pool is directly returned on another road.
Preferably, the water return pipeline of described cooling system is told a branch road that is provided with valve towards domestic water equipment.
Preferably, the chuck of described dissolution kettle and polymeric kettle bottom is provided with trap, and described trap passes to cooling water circulation pond after by-pass line compiles.
Preferably, further comprise and be used for condenser system that polymeric kettle is lowered the temperature, described condenser system comprises water of condensation circulating water pool, water circulating pump and condenser, described recirculated water delivery side of pump is divided into two-way, the pipeline that is provided with valve of wherein leading up to is connected to the chuck feed-water end of described polymeric kettle, return circulating water pool from the chuck water side of polymeric kettle by the pipeline that is provided with valve through behind the polymeric kettle, another road is connected to the feed-water end of described condenser by the pipeline that is provided with valve, returns circulating water pool through behind the condenser from the water side of condenser.
Preferably, the water circulating pump of described condensate system is parallel with freezing unit on its output channel.
Preferably, described storage tank comprises that a plurality of and described dissolution kettle is positioned at the fine fodder jar of workshop with one deck, is used for being stored in the various auxiliary agents that polymerization process adds to described polymeric kettle.
Preferably, further be provided with Controlling System, comprise PLC controller and industrial computer, described industrial computer is connected with the PLC controller, manage and control by the controllable component of PLC controller, realize the condition monitoring of equipment, the setting and the data management function of prescription to described storage tank, reactor, heating system, cooling system, condenser system.
Building adhesive production system provided by the present invention, broken through traditional mentality of designing, change plane figure technology into stereoscopic arrangement technology, in the primary device zone, press technical process with the upstream, middle reaches, upstream device is arranged in different height, its workshop has three layers, form tower structure, upstream equipment dissolution kettle and fine fodder jar are positioned at the 3rd layer, and middle reaches device aggregation still is positioned at the second layer, upstream device homogenizing still is positioned at the first layer, form difference of altitude between each layer, total system is development upwards, has not only reduced floor space greatly, and the layout type of three-dimensional is beneficial to convey materials very much, when material when a tank body or kettle enter another tank body or kettle, only need open the valve on the connecting tube, material can flow automatically to subsequent processing under action of gravity, need not to lay complicated transport pipe and transferpump, for production system in the past, structure is greatly simplified, thereby has reduced design difficulty and laid down cost, and equipment failure rate is low, is easy to safeguard, maintenance.
Since separate and tight connection between each component devices in the system, the plant factor height, its streamline operration pattern can satisfy requirements of large-scale production, and production capacity production system more in the past greatly improves.
In addition, the kettle special use of its each operation, every production batch architecture tackiness agent need not kettle is cleaned, owing to saved the shutdown matting, but the total system continuous operation, production efficiency greatly improves; In addition, save matting and can avoid using in a large number process water, not only help the conserve water resource, and stopped sewage discharge, do not pollute the environment.
In a kind of embodiment, described dissolution kettle and polymeric kettle connect one to one, homogenizing still of the corresponding connection of per two described polymeric kettles.Like this, two polymeric kettles corresponding to same homogenizing still can turn round in the mode of interval certain hour, polymerization process finish and detect qualified after, two interior work in-process of polymeric kettle enter the same homogenizing still of subsequent processing, if the semi-manufactured goods quality in one of them polymeric kettle is defective, and can be when another polymeric kettle carries out polyreaction, remedy by adjusting prescription, final assurance final product quality is qualified, can reduce the rework cost that disqualification rate brings, and production capacity is significantly improved.
Description of drawings
Fig. 1 is storage tank and a test tank structured flowchart partly in a kind of embodiment of building adhesive production system provided by the present invention;
Fig. 2 is for being positioned at the structured flowchart of workshop part in a kind of embodiment of building adhesive production system provided by the present invention;
Fig. 3 is the unify structured flowchart of condensate system of cooling water system in a kind of embodiment of building adhesive production system provided by the present invention;
Fig. 4 is the control principle figure of a kind of embodiment of building adhesive production system provided by the present invention;
Fig. 5 is used to produce the dissolution process schema of aqueous polyvinyl acetate emulsion for building adhesive production system provided by the present invention;
Fig. 6 is used to produce the measurement process schema of aqueous polyvinyl acetate emulsion for building adhesive production system provided by the present invention;
Fig. 7 is used to produce the polymerization process schema of aqueous polyvinyl acetate emulsion for building adhesive production system provided by the present invention.
Pairing equipment of numeral number or component names are as follows among the figure:
1. fresh feed pump 2. mass flowmeters 3. spring baiting valves 4. feed valves 5. vacuum pumps 6. water transfer pumps 7. volume pumps 8. water intaking valves 9. steam valves 10. water coolant outlet valves 11. water coolant water intaking valves 12. traps 13. fine fodder jars 14. water of condensation outlet valves 15. water of condensation water intaking valves 16. steam-pipes 17. water supply pipelines 18. condensers 19. freezing unit 20. water circulating pumps
Embodiment
Core of the present invention provides a kind of building adhesive production system.This system adopts tower processing set-up, and each operation is independent and compact to be connected, and can effectively reduce floor space, improves production capacity, saves cost, avoid polluting and guaranteeing quality product.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 1 is storage tank and a test tank structured flowchart partly in a kind of embodiment of building adhesive production system provided by the present invention; Fig. 2 is for being positioned at the structured flowchart of workshop part in a kind of embodiment of building adhesive production system provided by the present invention; Fig. 3 is the unify structured flowchart of condensate system of cooling water system in a kind of embodiment of building adhesive production system provided by the present invention; Above-mentioned Fig. 1, Fig. 2, Fig. 3 had the one-piece construction block diagram that can constitute building adhesive production system after the pipeline butt joint of same letter mark.
Building adhesive production system in this embodiment comprises following equipment:
Storage tank, be positioned at underground, its quantity is three, the opening for feed of each storage tank is connected with fresh feed pump 1 by the pipeline that is provided with valve, is used for storage of acetic acid, also is provided with parts such as check valve, mass flowmeter 2 on the feed pipe of each storage tank, for preventing the flash phenomenon in fill process, to occur, anti-flash controller can be set on storage tank, when the acetic acid that injects reaches the warning liquid level, close down fresh feed pump automatically, avoid causing danger.
Test tank, its quantity is four, be separately installed with LOAD CELLS, the feed end of each test tank is connected with the discharge port of above-mentioned acetic acid tank by the pipeline that is provided with spring baiting valve 3 and feed valve 4, the pipeline of discharge end is provided with spring baiting valve 3 and volume pump 7, volume pump 7 disposes frequency transformer, with accurate control feed rate, reaches ideal blanking effect.
Test tank is airtight tank body, and its top is connected with a threeway extraction valve, and a road of described threeway extraction valve is in communication with the outside, so that carry out the emptying exhaust, another road is connected with vacuum pump 5 by pipeline, carries out the vacuum suction operation by vacuum pump 5.
The metering water pot, its quantity is one, be positioned at the 3rd layer in workshop, its feed-water end is connected with water supply pipeline 17 by the pipeline that is provided with water intaking valve 8, the pipeline of its water side is provided with valve and water transfer pump 6, the water side of described water transfer pump 6 is divided into three water delivery branch roads, leads to each layer of workshop respectively, to miscellaneous equipment supply water of productive use.
Dissolution kettle, be positioned at the 3rd layer in workshop, its quantity is four, be arranged side by side with the metering water pot, be equipped with stirrer in each dissolution kettle, be used to dissolve the granule of polyvinyl alcohol that feeds intake with manual type, its first feed-water end is connected with the water delivery branch road of described metering water pot by the pipeline that is provided with water intaking valve 8, Open valve can inject water of productive use in dissolution kettle, its second feed-water end directly is connected with described water supply pipeline 17 by the pipeline that is provided with valve, after life-time service, Open valve can wash dissolution kettle.
The fine fodder jar, be positioned at the 3rd layer in workshop, its quantity as shown in the figure, be used for being stored in the various auxiliary agents that polymerization process adds, the discharge end of each fine fodder jar all disposes the add-on that volume pump 7 is controlled fine fodder, wherein part needs crystal's batch can be connected with the water delivery branch road of described metering water pot by the pipeline that is provided with valve, some fine fodder jar is connected with addition agent storage tank (as the dibutylester storage tank among the figure) by the pipeline that is provided with valve and volume pump 7 in addition, the feed end of addition agent storage tank is connected with fresh feed pump 1 by the pipeline that is provided with valve, bigger at auxiliary dosage, perhaps be subjected to the auxiliary agent characteristic limitations can't carry out under the situation of hand-fed, by setting up addition agent storage tank, can use volume pump to carry out self-feeding.
Because equipment and pipeline in the middle of Fig. 1 are more, for ease of clearly illustrating the annexation between the major equipment, only expressed the general location of fine fodder jar among the figure, and omitted the connecting tube of fine fodder jar and polymeric kettle, such omission can't influence enforcement of the present invention, those skilled in the art are according to concrete processing requirement, polymeric kettle are connected by pipeline with corresponding fine fodder jar get final product.
Certainly, the fine fodder jar is not limited to the quantity shown in the figure, and according to the difference of prescription, the auxiliary agent kind of required interpolation can be different, and the quantity of fine fodder jar also can change thereupon, should decide on concrete technology.
Polymeric kettle is positioned at the workshop second layer, and its quantity one has six, and each polymeric kettle is equipped with stirrer.
No. 1 polymeric kettle, No. 2 polymeric kettles are used to produce 108 architecture adhesion agents among the figure, its feed end is connected with hydrochloric acid tank by the pipeline that is provided with valve and volume pump 7, first feed-water end is connected with the water delivery branch road of described metering water pot by the pipeline that is provided with valve, Open valve can inject water of productive use in polymeric kettle, second feed-water end directly is connected with described water supply pipeline 17 by the pipeline that is provided with valve, after life-time service, Open valve can wash these two polymeric kettles.
No. 3 polymeric kettles, No. 4 polymeric kettles are used to produce aqueous polyvinyl acetate emulsion among the figure, and the pipeline of its polyvinyl alcohol solution feed end by being provided with valve connects one to one with the discharge end of No. 1 dissolution kettle, No. 2 dissolution kettle respectively; Its acetic acid feed end volume pump of the pipeline by being provided with valve and No. 1 acetometer measuring tank, No. 2 acetometer measuring tanks respectively connects one to one; Its feed-water end is connected with water supply pipeline 17 by the pipeline that is provided with valve, so that wash.
No. 5 polymeric kettles, No. 6 polymeric kettles are used to produce vinyl acetate-acrylate copolymer emulsion among the figure, and the pipeline of its polyvinyl alcohol solution feed end by being provided with valve connects one to one with the discharge end of No. 3 dissolution kettle, No. 4 dissolution kettle respectively; Its acetic acid feed end volume pump of the pipeline by being provided with valve and No. 3 acetometer measuring tanks, No. 4 acetometer measuring tanks respectively connects one to one, owing to contain vinylformic acid in the prescription of vinyl acetate-acrylate copolymer emulsion, therefore No. 3 acetometer measuring tanks, No. 4 acetometer measuring tanks have the vinylformic acid storage tank by the pipe connection that is provided with valve; The feed-water end of No. 5 polymeric kettles, No. 6 polymeric kettles is connected with water supply pipeline 17 by the pipeline that is provided with valve, so that wash.
The auxiliary agent feed end of above-mentioned each polymeric kettle is connected with corresponding fine fodder jar volume pump by the pipeline that is provided with valve, wherein needs to add the shared same fine fodder jar of polymeric kettle of auxiliary agent of the same race, behind the Open valve, adds auxiliary agent by volume pump automatically to polymeric kettle.
Here need to prove, dissolution kettle of the present invention and polymeric kettle independently use, in process of production, do not need flushing after a collection of product of every production, here the flushing pipeline of She Zhiing, mainly be after life-time service, when dissolution kettle and polymeric kettle must wash, can not satisfy under the situation of rinsing requirement at the feed-water end that is connected to the metering water pot, just open the spare duct that uses, compare with flushing pipeline in the past, its washing time greatly reduces, and a spot of cleaning sullage ratio is easier to carry out purifying treatment, can avoid contaminate environment.
The homogenizing still, be positioned at the workshop the first layer, its quantity is three, each homogenizing still all is provided with stirrer, per two above-mentioned polymeric kettles homogenizing still of the corresponding connection of pipeline by being provided with valve, turn round simultaneously corresponding to two polymeric kettles of same homogenizing still mode with the interval certain hour, polymerization process finish and detect qualified after, two interior work in-process of polymeric kettle enter the same homogenizing still of subsequent processing, if the semi-manufactured goods quality in one of them polymeric kettle is defective, and can be when another polymeric kettle carries out polyreaction, remedy by adjusting prescription, final assurance final product quality is qualified, can reduce the rework cost that disqualification rate brings, and production capacity is significantly improved.
No. 1 homogenizing still is provided with second feed end and the 3rd feed end among the figure, second feed end pipeline and No. 1 polymeric kettle wherein by being provided with volume pump 7, the discharge end of No. 2 polymeric kettles connects, the 3rd feed end is connected with the discharge end of No. 2 homogenizing stills by the pipeline that is provided with valve and volume pump 7, No. 1 the homogenizing still has two kinds of purposes, first kind of purposes is when producing 108 architecture adhesion agents, be used for storing from No. 1 polymeric kettle, the finished product of No. 2 polymeric kettle inflows, second kind of purposes is by volume pump 108 architecture adhesion agents and aqueous polyvinyl acetate emulsion to be injected its inside from second feed end and the 3rd feed end respectively, after mixing, generate wall and plug with molten metal product, can widen the building adhesive type that total system can be produced, make production convenient more flexibly.
Above-mentioned dissolution kettle, polymeric kettle and homogenizing still all are furnished with temperature sensor, monitor temperature in the kettle at any time, and the superelevation limit is reported to the police.
Building adhesive production system provided by the present invention further is provided with two mixing kettles that have whipping appts for the 3rd layer in the workshop, its feed-water end is connected with the water supply branch road of metering water pot by the pipeline that is provided with water intaking valve 8, the bottom is the product filling exit, it is solid to be used to produce the mill water that only need mix technology, has further widened the building adhesive type that total system can be produced.
In addition, the 3rd layer also is provided with a little experiment still in the workshop, its steam-pipe and cooling water pipeline are with in parallel with the polymeric kettle of layer, before producing, can utilize existing water delivery branch road, heating system and cooling water system in little experiment still, to test in advance, with the feasibility and the quality product of check prescription, technology.
Heating system, comprise steam-pipe 16, its branch line that is provided with steam valve 9 is connected with the chuck admission end of described dissolution kettle and polymeric kettle respectively, to feed steam dissolution kettle and polymeric kettle are heated, the chuck bottom of described dissolution kettle and polymeric kettle is provided with trap 12, play automatic block steam and drain water effect, trap 12 passes to cooling water circulation pond (not shown) after by-pass line compiles, water and the steam condensate that finally retains in dissolution kettle and the jacket of polymerization all can be recycled to cooling water circulation pond, the realization waste water reclamation utilizes, to a great extent avoided water resource waste.
Cooling water system, comprise cooling water circulation pond, water circulating pump 20 and cooling tower, be used for dissolution kettle, polymeric kettle and homogenizing still are cooled off, the output terminal of described water circulating pump 20 is connected with the chuck feed-water end of described dissolution kettle, polymeric kettle and homogenizing still by the pipeline that is provided with water coolant water intaking valve 11, the chuck water side of described dissolution kettle, polymeric kettle and homogenizing still is divided into two-way after by the pipe influx that is provided with water coolant outlet valve 10, wherein one the tunnel leads to cooling tower, return circulating water pool after the cooling tower cooling, circulating water pool is directly returned on another road.
At the equipment operation initial stage, temperature of cooling water in the circulating water pool is lower, can cool off fully above-mentioned each still, can directly return circulating water pool by valve controlled chilling water, but along with the continuous operation of equipment, water coolant can not dispel the heat after heat absorption timely, its temperature is also more and more higher, at this moment, can return circulating water pool behind cooling tower by valve controlled chilling water, by cooling tower water coolant is lowered the temperature, make it keep lower temperature.
The chuck water side of above-mentioned dissolution kettle, polymeric kettle and homogenizing still is told a branch road that is provided with water intaking valve 8 after by the pipe influx that is provided with water coolant outlet valve 10 and is led to worker's bathing pool, when the water coolant that refluxes reaches 45 ℃, by opening water intaking valve 8, the part water coolant can be transported to worker's bathing pool water tank.Certainly, domestic water equipment is not limited to worker's bathing pool, also can be other watering equipment, is that example describes with worker's bathing pool only here, just gives unnecessary details no longer one by one.
Because the heat that dissolution kettle, polymeric kettle and homogenizing still produce in process of production is considerable, after water coolant is lowered the temperature to these equipment, the temperature of himself also increases, the entrained heat of water coolant finally loses through cooling tower and circulating water pool, well do not utilized, here water coolant is distributed a part to worker's bathing pool for the use of having a bath, can avoid waste save energy and water resources.
Because cooling water system complete closed circulation, with described dissolution kettle, polymeric kettle, homogenizing still only with the isolated chuck of material in carry out heat exchange, do not have the problem of crossed contamination, so its clean level satisfies the service requirements of having a bath fully.
Condensate system, comprise water of condensation circulating water pool, water circulating pump 20 and condenser 18, the output terminal of described water circulating pump 20 is divided into two-way, the pipeline that is provided with water of condensation water intaking valve 15 of wherein leading up to is connected to the chuck feed-water end of described polymeric kettle, return circulating water pool from the chuck water side of polymeric kettle by the pipeline that is provided with water of condensation outlet valve 14 through behind the polymeric kettle, another road is connected to the feed-water end of described condenser 18 by the pipeline that is provided with water of condensation water intaking valve 15, returns circulating water pool through condenser 18 backs from the water side of condenser.
The water circulating pump 20 of condensate system is parallel with freezing unit 19 on its output channel, according to condensate temperature, the alternative unlatching is used for cooperating 18 pairs of water of condensation of condenser to freeze, and makes the water in the water of condensation circulating water pool remain at lower temperature.
In polymeric kettle, material can produce heat in polymerization process, these heats can make temperature in the kettle rise rapidly, if can not in time dispel the heat, too high temperature can make the relatively poor material of segmental stability produce the volatilization phenomenon, the volatilization of material can cause its actual participation polymeric effective dose greatly to reduce, be normally carrying out of guaranteeing to produce, can only replenish by the mode that strengthens the material input amount, this can increase production cost undoubtedly, and, because the volatile quantity of material is difficult to grasp and control, thereby give the material input amount determine brought very big difficulty, the too much or very few phenomenon of input amount often appears, this also is one of reason that causes unstable product quality.
Can solve this technical barrier well by setting up condenser system, described condenser system is independent of cooling water system, its water of condensation independent loops, be specifically designed to polymeric kettle is lowered the temperature, under the driving of water circulating pump, the water of condensation that extracts from the water of condensation circulating water pool is divided into two-way, one road polymeric kettle of flowing through wherein, carry out heat exchange with polymeric kettle, the heat that polyreaction produces is taken away, thereby the interior evaporable material of polymeric kettle can in time be recycled, another road condenser of then flowing through is constantly cooled off the water in the water of condensation circulating water pool by condenser, makes through the water of condensation of polymeric kettle to lower the temperature rapidly, guarantee that water of condensation and polymeric kettle have enough temperature difference, to reach better condensation recovering effect.
Experimental results show that condenser and freezing unit are set after, quality product is obviously stable, the material condensation rate of recovery has been saved production cost greatly near 100%.
In the middle of the set valve, except that duty valves such as check valve and partially manual valve, all the other major parts are air-operated solenoid valve on above-mentioned each connecting tube, and the part valve adopts explosion-proof design, to satisfy requirement of explosion proof, guarantee production safety.
Please refer to Fig. 4, Fig. 4 is the control principle figure of a kind of embodiment of building adhesive production system provided by the present invention.
Controlling System of the present invention comprises PLC controller and industrial computer, described industrial computer is connected with the PLC controller, described PLC controller and described test tank, LOAD CELLS, temperature sensor, stirrer, volume pump, water transfer pump, water circulating pump, valve, freezing unit, connections such as anti-flash controller, adopt the supporting configuration monitoring software of upper industrial computer, by the start and stop of PLC programmable controller controls stirrer, adjust the volume pump rotating speed, the metering of control test tank, the management prescription, save historical data, printing reports or the like, realization is to the condition monitoring of equipment, the setting of adhesive formula, functions such as data management and reporting printing, automatic management and control are carried out in building adhesive production, had manually and automatic two kinds of operational modes.
This Controlling System not only can significantly reduce human cost and labour intensity, and the accuracy of controlling automatically is higher, can make the parameter of each batch keep strict conformance, thereby guarantees the stable of quality product.Because adopt existing control techniques to realize, for saving length, this paper no longer elaborates.
Be example to produce aqueous polyvinyl acetate emulsion below, the principle of work of the building adhesive production system that present embodiment provided is simply introduced.
Please refer to Fig. 5, Fig. 6, Fig. 7, Fig. 5 is used to produce the dissolution process schema of aqueous polyvinyl acetate emulsion for building adhesive production system provided by the present invention; Fig. 6 is used to produce the measurement process schema of aqueous polyvinyl acetate emulsion for building adhesive production system provided by the present invention; Fig. 7 is used to produce the polymerization process schema of aqueous polyvinyl acetate emulsion for building adhesive production system provided by the present invention.
Building adhesive production system provided by the present invention comprises following operation when producing aqueous polyvinyl acetate emulsion:
1) dissolution process:
Step 101 is opened the water intaking valve 8 that measures water pot, water filling in the metering water pot;
Step 102 is opened the water transfer pump 6 on the metering tank line road, by the metering water pot dissolution kettle is pressed the formula ratio water filling;
Step 103 starts the stirrer in the dissolution kettle No. 1, No. 2;
Step 104 adds solid particulate with manual type and dissolves stirring in No. 1, No. 2 dissolution kettle, the defoamer of titration simultaneously;
Step 105 is opened the steam admission valve of No. 1, No. 2 dissolution kettle, feeds steam in the chuck of dissolution kettle, carries out heat temperature raising;
Step 106, treat that temperature in the kettle reaches processing requirement after, close the steam admission valve of dissolution kettle, stop heating;
Step 107 is opened cooling water system, feeds water coolant and lower the temperature in the chuck of No. 1, No. 2 dissolution kettle;
Step 108 by the temperature variations of control interface observation dissolution kettle, determines that work in-process reach necessary requirement, stops to stir and treats blowing, and dissolution process finishes.
2) acetic acid measurement process:
Raw material is transported by automobile, is rechecked to send into take away pump 1 by mass flowmeter 2 to be positioned at subterranean storage tank after truck scale is weighed.
Step 201, the vacuum pump 5 of startup test tank;
Step 202 is opened the threeway extraction valve on the test tank immediately No. 1, No. 2;
Step 203 is opened the spring baiting valve 3 of storage tank discharge end immediately;
Step 204 is opened the feed valve 4 of No. 1, No. 2 test tank feed end immediately, takes out notes acetic acid in test tank;
Step 205 after the LOAD CELLS for the treatment of test tank shows that the acetic acid amount reaches processing requirement, stops to vacuumize, and closes threeway extraction valve, spring-loaded valve 3 and feed valve 4 simultaneously;
Step 206, measurement process finishes, and waits for titration.
3) polymerization process:
At first, open the dissolution kettle bottom valve No. 1, No. 2, put into polymeric kettle No. 3, No. 4, start the stirrer in the polymeric kettle detecting qualified work in-process;
When the temperature in the kettle of polymeric kettle during, start cooling water system and lower the temperature, until reaching design temperature greater than design temperature;
When the temperature in the kettle of polymeric kettle during, start steam heating system and heat up, until reaching design temperature less than design temperature;
Temperature in the kettle at polymeric kettle meets under the condition of processing requirement, carries out the interpolation of acetic acid and other auxiliary agent, carries out the timing titration by volume pump behind the startup flow calibration, injects polymeric kettle with the constant flow;
After the material titration begins, the OnNow condenser system (start the self cooling but water pump of freezing unit--freezing unit turns round, and--opening controlling valve door--opens condenser), the condensation of evaporable material is reclaimed, fully enter polyreaction, guarantee quality product;
By operation different steps demand,, thereby realize the control of polyreaction and reach the corresponding performance of product according to the required auxiliary agent of the various products of temperature variation titration;
The titration of auxiliary agent is finished by the measuring fixed amount pump of each fine fodder jar, and Controlling System is demarcated runtime according to auxiliary dosage, realizes evenly continuing titration, guarantees process stabilizing, and the kind of auxiliary agent, quantity and titrating processing condition are decided according to concrete processing requirement.
After treating that all materials interpolations are finished, carry out uniform mixing, be warming up to processing requirement, open cooling water system again, cooling control cohesiveness index through steam heating.
Because the present invention only relates to the improvement of production system, its emphasis does not also lie in formula for a product and the improvement of processing parameter, therefore this part content no longer is described in detail.
4) finished product storage procedure:
Polymer material in No. 3, No. 4 polymeric kettles reaches certain temperature, through quality testing department detect qualified after, gravity flow is put into No. 2 homogenizing stills sealings and is stored; Need according to producing, through the accurate can of automated fluid can scale, shelf are piled up by fork truck in the arrangement back, and process of producing product finishes.
Building adhesive production system provided by the present invention is when producing vinyl acetate-acrylate copolymer emulsion, roughly the same with the operation of producing aqueous polyvinyl acetate emulsion, both differences just are, when producing vinyl acetate-acrylate copolymer emulsion its No. 3, No. 4 the test tank domestic demand adds vinylformic acid by the vinylformic acid storage tank, dissolution process is at No. 3, carry out in No. 4 dissolution kettle, polymerization process is at No. 5, carry out in No. 6 polymeric kettles, finished product is stored in No. 3 homogenizing stills, and in polymerization process, the auxiliary agent type that adds from the fine fodder jar is different with consumption, its concrete operation can not repeat them here with reference to description above.
Building adhesive production system provided by the present invention is when production mill water is solid, at first open the water intaking valve 8 of No. 1, No. 2 mixing kettle, the water that adds process dose according to processing requirement, dropping into material with manual type then fully stirs, detect up to standard after, from the filling exit output finished product of mixing kettle bottom.
Building adhesive production system provided by the present invention is when producing 108 architecture adhesion agents, at first open the water intaking valve 8 of No. 1, No. 2 polymeric kettle, the water that adds process dose according to processing requirement, add hydrochloric acid then and other material fully stirs, simultaneously by the temperature in heating system and the cooling water system control still, treat fully to react and detect up to standard after, from the filling exit output finished product of mixing kettle bottom
Building adhesive production system provided by the present invention is when producing concrete interface treating agent, second feed end of No. 1 homogenizing still and the 3rd feed end are opened, second feed end injects 108 architecture adhesion agents by volume pump 7, the aqueous polyvinyl acetate emulsion that the 3rd feed end stores by No. 2 homogenizing stills of another volume pump 7 injections, after these two kinds of products are mixed, can obtain final product in still.
Be understandable that, on the basis of building adhesive production system provided by the present invention, according to processing requirement, by increasing the value volume and range of product of equipment such as storage tank, test tank, dissolution kettle, polymeric kettle, homogenizing still or fine fodder jar, utilize existing waterworks, cooling water system, condensate system, heating system and Controlling System, also can be used for producing other various types of building adhesives.
More than building adhesive production system provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. building adhesive production system comprises:
Storage tank is used to store and produces required material and add materials to reactor by pumping equipment;
Reactor comprises dissolution kettle, polymeric kettle and homogenizing still, and wherein said dissolution kettle is used for the dissolved solids material, and polymeric kettle is the carrier that material carries out polyreaction, and the homogenizing still is used for being stored in the product that polymeric kettle generates;
It is characterized in that described dissolution kettle, polymeric kettle and homogenizing still are arranged in each layer of workshop from top to bottom according to the trend of technical process, and are connected by the pipeline that is provided with valve.
2. building adhesive production system according to claim 1 is characterized in that, described dissolution kettle, polymeric kettle, homogenizing still lay respectively at the 3rd layer in workshop, the second layer, the first layer.
3. building adhesive production system according to claim 2 is characterized in that described dissolution kettle and polymeric kettle connect one to one, homogenizing still of the corresponding connection of per two described polymeric kettles.
4. building adhesive production system according to claim 3, it is characterized in that, further comprise and be used for described dissolution kettle, polymeric kettle and homogenizing still are carried out the refrigerative cooling system, described cooling system is provided with cooling tower, its CWR road is divided into two-way, wherein one the tunnel leads to cooling tower, returns circulating water pool after the cooling tower cooling, and circulating water pool is directly returned on another road.
5. building adhesive production system according to claim 4 is characterized in that, the water return pipeline of described cooling system is told a branch road that is provided with valve and led to domestic water equipment.
6. building adhesive production system according to claim 5 is characterized in that, the chuck bottom of described dissolution kettle and polymeric kettle is provided with trap, and described trap passes to cooling water circulation pond after by-pass line compiles.
7. building adhesive production system according to claim 6, it is characterized in that, further comprise and be used for condenser system that polymeric kettle is lowered the temperature, described condenser system comprises the water of condensation circulating water pool, water circulating pump and condenser, described recirculated water delivery side of pump is divided into two-way, the pipeline that is provided with valve of wherein leading up to is connected to the chuck feed-water end of described polymeric kettle, return circulating water pool from the chuck water side of polymeric kettle by the pipeline that is provided with valve through behind the polymeric kettle, another road is connected to the feed-water end of described condenser by the pipeline that is provided with valve, returns circulating water pool through behind the condenser from the water side of condenser.
8. building adhesive production system according to claim 7 is characterized in that, the water circulating pump of described condensate system is parallel with freezing unit on its output channel.
9. according to the arbitrary described building adhesive production system of claim 1 to 8, it is characterized in that, described storage tank comprises that a plurality of and described dissolution kettle is positioned at the fine fodder jar of workshop with one deck, is used for being stored in the various auxiliary agents that polymerization process adds to described polymeric kettle.
10. building adhesive production system according to claim 9, it is characterized in that, further be provided with Controlling System, comprise PLC controller and industrial computer, described industrial computer is connected with the PLC controller, manage and control by the controllable component of PLC controller, realize the condition monitoring of equipment, the setting and the data management function of prescription to described storage tank, reactor, heating system, cooling system, condenser system.
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| CN2010101442631A CN101811844B (en) | 2010-04-08 | 2010-04-08 | Building adhesive production system |
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| CN2010101442631A CN101811844B (en) | 2010-04-08 | 2010-04-08 | Building adhesive production system |
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| CN101811844B CN101811844B (en) | 2012-05-30 |
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| CN110523341A (en) * | 2019-09-11 | 2019-12-03 | 巨石集团有限公司 | A kind of adhesive film water-base cement automatic preparation system and its control method |
| CN113337221A (en) * | 2021-05-24 | 2021-09-03 | 浙江天成工程设计有限公司 | Preparation process and production device of white latex with good weather resistance |
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| CN113337221A (en) * | 2021-05-24 | 2021-09-03 | 浙江天成工程设计有限公司 | Preparation process and production device of white latex with good weather resistance |
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|---|---|
| CN101811844B (en) | 2012-05-30 |
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