CN102335672A - Harmless dehydrator - Google Patents
Harmless dehydrator Download PDFInfo
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- CN102335672A CN102335672A CN201110298147XA CN201110298147A CN102335672A CN 102335672 A CN102335672 A CN 102335672A CN 201110298147X A CN201110298147X A CN 201110298147XA CN 201110298147 A CN201110298147 A CN 201110298147A CN 102335672 A CN102335672 A CN 102335672A
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Abstract
The invention discloses a harmless dehydrator, which comprises feed end, a dehydrator body and a discharge end, wherein the feed end and the discharge end are respectively connected with the dehydrator body in a sealing mode. A high-temperature steam inlet and a high-temperature steam outlet are respectively arranged on the harmless dehydrator. The dehydrator body is a rotating transporting container, and a material lifting plate and a bag breaking knife are distributed on the inner wall of the dehydrator body. The harmless dehydrator has simple structure, convenience for manufacture, energy saving, environmental protection, uniform heating and no disposal of pollutants and can effectively realize material dehydration.
Description
Technical field
The present invention relates to a kind of sterilization, dehydration treatment equipment of material, relate in particular to a kind of dewater unit applicable to garbage treatment.
Background technology
Domestic processing to domestic waste at present mainly contains several methods such as landfill method, burning method, classification processing method.These methods exist that investment is big, the land occupation area big and wretched insufficiency such as secondary pollution; Making China's most city house refuse to adopt and stacking is main processing method; The method that this simple stacking is handled just more and more seriously influences our living environment and quality of life owing to its land occupation, be prone to breed bacteria and produce defective such as corrupt gas.
CN1426856A Chinese patent document discloses a kind of processing method of house refuse, includes magnetic separation, wet type in this waste disposal method and processing step such as clears up; It has used counteracting tank that rubbish is cleared up, but the counteracting tank domestic demand charges into the saturated vapor of about 0.9MPa, in heating process; Be difficult for making the rubbish body evenly to heat, and be malleation in the tank body, in case poorly sealed; The situation that steam leaks outside can appear; Tank body heats rubbish through the envelope jar, separated jar the method for operation, and discharging has discontinuity; The process of dehydration is the method through flash distillation, and dehydration rate is on the low side, and heat time heating time is long.
CN1461678A Chinese patent document then discloses the innoxious treatment process of a kind of domestic waste; Adopt sterilization drain sump and drying chamber to combine to carry out the rubbish preliminary treatment in this treatment process; Reach the effect to rubbish sterilization, dehydration, follow-up compost, the landfill etc. of combining carry out integrated treatment.In this treatment process, the sterilization drain sump heats rubbish through surface heat exchanging, and heat transfer process is main with the heat conduction, and a little less than the heat radiation, overall heat-transfer coefficient is on the low side, and thermal source is wayward, and heat time heating time is long.Improve heat transfer coefficient, need to improve the wall temperature of sterilization drain sump, and this operation to equipment is unfavorable, even possibly causes tank body flexural deformation, wall temperature is too high, also can make rubbish take place to fission and decompose; And also mention the interior temperature of tank body in this patent documentation and be controlled at 100 ℃, it is inadvisable obviously to improve heat transfer coefficient through the method that improves wall temperature, and therefore, the garbage dewatering process also needs the supporting drying chamber that is provided with.
Summary of the invention
The technical problem that the present invention will solve is the deficiency that overcomes prior art, a kind of simple in structure, easily manufactured, energy-conserving and environment-protective are provided, are heated evenly, no emissions and can effectively realize the innoxious dehydrator of material dewatering.
For solving the problems of the technologies described above; The technical scheme that the present invention proposes is a kind of innoxious dehydrator; Comprise feed end, dehydrator body and discharge end, said feed end, discharge end are tightly connected with said dehydrator body respectively, are respectively equipped with the outlet of high-temperature steam import and high-temperature steam on the said innoxious dehydrator; Said dehydrator body is a rotary transport box, is laid with copy plate and broken bag cutter on the inwall of said dehydrator body.
In the above-mentioned innoxious dehydrator; Said copy plate preferably is provided with and is strip (arc bends); Copy plate is fixed on the inwall of said dehydrator body, and its quantity and position distribution do not have strict restriction, as long as roughly extended to discharge end by feed end; Can be that straight line extends, even can be around the inwall line extension in the shape of a spiral of dehydrator body; Said broken bag cutter is preferably linear in the shape of a spiral; The outside of said broken bag cutter inwall one side of dehydrator body (promptly near) is spaced apart to be provided with a plurality of draw-in grooves; Said broken bag cutter is fastened on the said copy plate through said draw-in groove, and the inboard of said broken bag cutter one side of dehydrator body gyroaxis (promptly near) offers sawtooth.
In the above-mentioned innoxious dehydrator, said copy plate preferably is made up of with positive wearing plate stack the connecting plate at the back side, and said connecting plate and wearing plate are affixed through securing member, so that improve the service life of copy plate.The quantity of said copy plate is preferably a plurality of; This moment, copy plate preferably was arranged to axially along linearly extended strip; Each copy plate extends axially along said dehydrator body; Each copy plate is fixed on the inwall of dehydrator body equally spacedly, and it is tabular that the slight bending of said copy plate is an arc.
As further improvement to above-mentioned innoxious dehydrator; Broach labyrinth gland spare is preferably adopted in being tightly connected between said feed end, discharge end and said dehydrator body; The broach of said packing spare is high and low separation, and the centre of said packing spare is provided with the air slot that leads to outside wireway.
In the above-mentioned innoxious dehydrator, said high-temperature steam import can be arranged on feed end or discharge end, but preferably is located at feed end; Said feed end also preferably is provided with and is connected to the outside charging elephant trunk that does not have the axle DWG.
In the above-mentioned innoxious dehydrator, said high-temperature steam outlet can be arranged on feed end or discharge end, but preferably is located at discharge end, and said discharge end also preferably is provided with and is communicated to the outside two flap valves that do not have axle single-screw conveyer.
Compared with prior art; The invention has the advantages that: innoxious dehydrator of the present invention mainly is applicable to the processing mode of material being dewatered through high-temperature steam or high temperature air; Especially be specially adapted to the sterilization dehydration in the treatment of urban garbage process; After in the sterilization dehydration that innoxious dehydrator of the present invention is applied to material (for example garbage disposal); Thermal source (being meant high-temperature steam especially) can directly get in the dehydrator and contact with rubbish, to realize effective, harmless sterilization and the dehydration to rubbish.Innoxious dehydrator of the present invention is not only to the homogeneous heating of material, and heat time heating time is short, and thermal source is easy to control, can adjust within the specific limits; And, because innoxious dehydrator of the present invention mainly is to utilize fume afterheat, rather than heat through other energy resource supply mode; Therefore innoxious dehydrator of the present invention is not only simple in structure, low cost of manufacture, and made full use of existing energy resources; Energy-conserving and environment-protective; This is the recycling of domestic waste from now on, and treatment facility and prerequisite in earlier stage are provided, and has good practical values.
Description of drawings
Fig. 1 is the front view of innoxious dehydrator in the embodiment of the invention.
Fig. 2 is the cutaway view at A-A place among Fig. 1.
Fig. 3 is the partial enlarged drawing at C place among Fig. 2.
Fig. 4 is the cutaway view at B-B place among Fig. 1.
Fig. 5 is the partial enlarged drawing at D place among Fig. 4.
Marginal data:
1, feed end; 11, high-temperature steam import; 12, manhole access door; 2, dehydrator body; 21, band gear wheel bracing or strutting arrangement; 22, common bracing or strutting arrangement; 23, transmission device; 24, copy plate; 241, connecting plate; 242, wearing plate; 243, securing member; 25, broken bag cutter; 251, draw-in groove; 252, sawtooth; 3, discharge end; 31, high-temperature steam outlet; 32, dust separation plate; 4, packing spare; 41, broach; 42, air slot; 43, spring leaf; 5, charging elephant trunk; 6, two flap valves.
The specific embodiment
Below in conjunction with Figure of description and specific embodiment the present invention is further described.
Embodiment:
A kind of like Fig. 1～of the present invention innoxious dehydrator shown in Figure 5; Comprise feed end 1, dehydrator body 2 and discharge end 3; Feed end 1, discharge end 3 are tightly connected with dehydrator body 2 respectively; The feed end 1 of innoxious dehydrator is provided with high-temperature steam import 11 (mainly being to supply high-temperature steam to get into); Discharge end 3 is provided with high-temperature steam outlet 31, and high-temperature steam import 11 is communicated with the steam conveying pipe of outside waste heat recovery through suction flange, outlet(discharge) flange respectively with high-temperature steam outlet 31, and forms circulation.The dehydrator body 2 of present embodiment is a horizontal rotation transport box, is cylindric (draw ratio of cylinder is about 4.8), and cylinder outer wall can be laid heat-insulation layer; The front and rear of this dehydrator body 2 supports through band gear wheel bracing or strutting arrangement 21 and common bracing or strutting arrangement 22 respectively, and the middle part then is equipped with a transmission device 23 and is rotated around the center steering axle to realize himself.The innoxious dehydrator of present embodiment becomes an inclination angle with horizontal plane, promptly feed end 1 will be higher than discharge end 3, to realize the automatic transport of material in dehydrator body 2.
In the present embodiment, be laid with copy plate 24 and broken bag cutter 25 on the inwall of dehydrator body 2.The copy plate 24 axial linearly strips of shape; Be provided with eight copy plates 24 in the present embodiment altogether; Each copy plate 24 extends axially along the gyroaxis of dehydrator body 2, and each copy plate 24 is fixed on the inwall of dehydrator body 2, and equidistantly distributes along the circumferencial direction of cylinder inner wall.In the present embodiment; Every copy plate 24 is all formed (replacing after wearing plate conveniently weares and teares is set) by the connecting plate 241 at the back side with positive wearing plate 242 stacks; Connecting plate 241 is affixed through securing member 243 with wearing plate 242, and it is tabular that the radially slight bending of copy plate 24 is an arc.In the present embodiment; Broken bag cutter 25 is linear in the shape of a spiral; And lay around the inwall of dehydrator body 2; The outside of broken bag cutter 25 inwall one side of dehydrator body (promptly near) is spaced apart to be provided with a plurality of draw-in grooves 251, and a broken bag cutter 25 is fastened on the copy plate 24 through draw-in groove 251, and the inboard of broken bag cutter 25 side of dehydrator body gyroaxis (promptly near) offers sawtooth 252.
The innoxious dehydrator of present embodiment is divided into dynamic and static two parts; Dehydrator body 2 is a motion parts; And feed end 1 is stationary part (being the equal of the outer cover that covers on dehydrator body 2 two ends) with discharge end 3, and the two ends of dehydrator body 2 can realize relatively rotating with feed end 1 and discharge end 3 respectively.Excessive in order to prevent the gas in the innoxious dehydrator of present embodiment; Being tightly connected between the two ends of dehydrator body 2 and feed end 1 and the discharge end 3 is to realize through broach labyrinth gland spare 4, and be as shown in Figure 5, and this packing spare 4 is between the cylindrical outer wall of the case of outer cover and dehydrator body 2; The broach 41 of this packing spare 4 is high and low separation; Cylinder outer wall is got on the bus fluted, and the case wall in the middle of the two packing spares 4 is provided with the air slot 42 that leads to outside wireway, establishes spring leaf 43 between packing spare 4 and outer cover case; Packing spare 4 is processed by the material wear-resisting, that matter is soft, makes that clearance control is between 0.6mm～0.8mm between the cylinder of case and motion.Owing to adopt broach labyrinth gland mode; This has just increased the circulating resistance of gas; Owing between two packing spares 4, also be provided with air slot 42, this just can effectively derive the steam that gets into air slot 42, air, foul smell etc., and causes outside equipment such as condenser; Guarantee can not occur the excessive of pernicious gas and interior stream, effectively improve security, heat transfer efficiency and the thermal efficiency of equipment.
In the innoxious dehydrator of present embodiment; Feed end 1 also is provided with and is connected to the outside charging elephant trunk 5 that does not have the axle DWG; The bottom of feed end 1 is provided with manhole access door 12, also is provided with on the discharge end 3 to be communicated to the outside two flap valves 6 that do not have axle single-screw conveyer.Do not have the axle DWG and do not have a single-screw conveyer owing to being used when charging, discharging; These two kinds of transports have good sealing effectiveness; And do not have rubbish and twine, and adopt during discharging two flap valves 6 period of staggering to open, guarantee that further steam, foul smell are not excessive.Discharge end 3 also can by the inertia of dust motion, with dust separation, reduce the amount of dust that imports steam through dust separation plate 32 is installed.
The innoxious dehydrator of above-mentioned present embodiment is specially adapted in the following domestic garbage comprehensive treatment technology; This treatment process comprises fragmentation, sterilization dehydration, screening and burn down step; The high-temperature flue gas and the steam heater that burn the back generation carry out heat exchange formation high-temperature steam (260 ℃～280 ℃); High-temperature steam is used for heat energy to sterilization dehydration being provided; High-temperature steam mainly is back to steam heater (sub-fraction low-temperature heat steam can be transported to condenser to carry out condensation process or be delivered to the occasion that other need UTILIZATION OF VESIDUAL HEAT IN) in sterilization dehydration through the Low Temperature Steam (121 ℃～141 ℃) that forms after the heat exchange, carries out the circular treatment of next round with the heat energy of reuptaking hot flue gas.
The innoxious dehydrator of present embodiment can be arranged on the dehydration of sterilizing in the sterilization dehydration of above-mentioned treatment process; Its operation principle is: deliver into charging elephant trunk 5 through the domestic waste after the fragmentation through what do not have an axle DWG; Be delivered into by charging elephant trunk 5 in the inner chamber of dehydrator body 2; The high-temperature steam that UTILIZATION OF VESIDUAL HEAT IN forms has also entered into the inner chamber of dehydrator body 2 through high-temperature steam import 11; Dehydrator body 2 is rotated counterclockwise around self gyroaxis with the rotating speed (frequency control) of 4～6 rpm by 23 beginnings of its transmission device; Pressure in the dehydrator body 2 is controlled to be normal pressure (may produce negative influence to the operation of innoxious dehydrator when pressure oscillation; For example when negative pressure occurring in the dehydrator, extraneous air may be introduced in the dehydrator, and then the heat-transfer effect between reduction steam and the material and the thermal efficiency of innoxious dehydrator; And when malleation appears in tank interior, steam and foul smell in the tank body are discharged outside the dehydrator, give the external environment condition deleterious impact; Even the danger of scald possibly arranged to producers), rubbish is 0.136～0.2 at the interior activity coefficient of dehydrator body 2, because the material copy drive of the rotation of dehydrator body 2 and copy plate 24; The rubbish body begins to move in a circle with the revolution of dehydrator body 2, and promptly the rubbish body drives up motion by copy plate 24 earlier, when moving to the height point place of inwall, is discharged by copy plate 24 again; Basically be a vertical landing track then; In the motion that just constantly is lifted, discharges, falls, make and be scattered, be flooded with a large amount of rubbish bodies in the inner chamber of dehydrator body 2, because the medial end of broken bag cutter 25 is provided with sawtooth 252 at rubbish; The rubbish body is under the gravity effect and under the rotatablely moving of broken bag cutter 25; Itself and sawtooth 252 constantly relatively move, and make that material is constantly torn in the rubbish body, realize further refuse breaking; And by the high-temperature steam of high-temperature steam import 11 input by feed end 1 in discharge end 3 process of flowing, high-temperature steam generation Turbulence Flow, its with cavity in the rubbish body realization being scattered, being full of fully contact; Carry out violent convection heat transfer' heat-transfer by convection; Constantly pass to rubbish to the heat of steam rubbish is heated up, when the rubbish body was heated to 100 ℃ of left and right sides, moisture was vaporized strongly in the rubbish body; Becoming steam discharges; And then accomplish the dehydration of rubbish, along with the temperature of rubbish body further is heated to back (about 121 ℃) more than 100 ℃, just can play good sterilization functions; The rubbish body is in making the circular motion process; Because innoxious dehydrator is horizontal by a small angle inclination (feed end 1 a little higher than discharge end 3); Therefore the actual motion track of rubbish body is circular motion and proal stack, promptly presents a screw movement track, in the process that just constantly rises, lands at rubbish; Rubbish is slowly passed to discharge end 3 from feed end 1, and the two flap valves 6 from discharge end 3 drop to the innoxious dehydrator of nothing axle single-screw conveyer output at last.The time of staying of rubbish in innoxious dehydrator generally can reach about 45 minutes, so in dehydration, can also play good sterilization effect, dehydration rate generally can reach 13%～15%.
Claims (8)
1. innoxious dehydrator; Comprise feed end, dehydrator body and discharge end; Said feed end, discharge end are tightly connected with said dehydrator body respectively; It is characterized in that: be respectively equipped with the outlet of high-temperature steam import and high-temperature steam on the said innoxious dehydrator, said dehydrator body is a rotary transport box, is laid with copy plate and broken bag cutter on the inwall of said dehydrator body.
2. innoxious dehydrator according to claim 1; It is characterized in that: said copy plate is strip; Copy plate is fixed on the inwall of said dehydrator body, and said broken bag cutter is linear in the shape of a spiral, and the outside of said broken bag cutter is spaced apart to be provided with a plurality of draw-in grooves; Said broken bag cutter is fastened on the said copy plate through said draw-in groove, and the inboard of said broken bag cutter offers sawtooth.
3. innoxious dehydrator according to claim 2 is characterized in that: said copy plate is made up of with positive wearing plate stack the connecting plate at the back side, and said connecting plate and wearing plate are affixed through securing member.
4. innoxious dehydrator according to claim 3; It is characterized in that: the quantity of said copy plate is a plurality of; Each copy plate extends axially along said dehydrator body, and each copy plate is fixed on the inwall of dehydrator body equally spacedly, and it is tabular that said copy plate bending is an arc.
5. according to each described innoxious dehydrator in the claim 1～4; It is characterized in that: being tightly connected between said feed end, discharge end and said dehydrator body is to adopt broach labyrinth gland spare; The broach of said packing spare is high and low separation, and the centre of said packing spare is provided with the air slot that leads to outside wireway.
6. according to each described innoxious dehydrator in the claim 1～4, it is characterized in that: feed end is located in said high-temperature steam import, and said feed end also is provided with and is connected to the outside charging elephant trunk that does not have the axle DWG.
7. according to each described innoxious dehydrator in the claim 1～4, it is characterized in that: discharge end is located in said high-temperature steam outlet, and said discharge end also is provided with and is communicated to the outside two flap valves that do not have axle single-screw conveyer.
8. innoxious dehydrator according to claim 6 is characterized in that: said high-temperature steam venthole is located at discharge end, and said discharge end also is provided with and is communicated to the outside two flap valves that do not have axle single-screw conveyer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110298147 CN102335672B (en) | 2011-09-29 | 2011-09-29 | Harmless dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110298147 CN102335672B (en) | 2011-09-29 | 2011-09-29 | Harmless dehydrator |
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| CN102335672A true CN102335672A (en) | 2012-02-01 |
| CN102335672B CN102335672B (en) | 2013-11-06 |
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| CN 201110298147 Active CN102335672B (en) | 2011-09-29 | 2011-09-29 | Harmless dehydrator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277991A (en) * | 2013-05-31 | 2013-09-04 | 山东天元节能环保工程有限公司 | Roller drying device adopting steam waste heat as heat source for heat exchanging and capable of adjusting feeding characters |
| CN112272589A (en) * | 2018-03-09 | 2021-01-26 | 绿色生态国际有限公司 | System and method for food waste decomposition |
| CN113446816A (en) * | 2021-04-28 | 2021-09-28 | 四川国沃生物科技有限公司 | Fertilizer is smashed and drying device |
| CN115104746A (en) * | 2022-06-30 | 2022-09-27 | 黄骅市国润生态食品有限公司 | Pressure difference flash evaporation equipment is used in winter jujube processing |
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| US20080217444A1 (en) * | 2007-03-09 | 2008-09-11 | Slane Energy Llc | Waste processing apparatus and method featuring water removal |
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| US5190226A (en) * | 1991-04-29 | 1993-03-02 | Holloway Clifford C | Apparatus and method for separation, recovery, and recycling municipal solid waste and the like |
| US5427650A (en) * | 1992-06-25 | 1995-06-27 | Holloway; Clifford C. | Apparatus and method for preparation for separation, recovery, and recycling of municipal solid waste and the like |
| US5300438A (en) * | 1992-07-06 | 1994-04-05 | Augspurger Engineering | Composting apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277991A (en) * | 2013-05-31 | 2013-09-04 | 山东天元节能环保工程有限公司 | Roller drying device adopting steam waste heat as heat source for heat exchanging and capable of adjusting feeding characters |
| CN112272589A (en) * | 2018-03-09 | 2021-01-26 | 绿色生态国际有限公司 | System and method for food waste decomposition |
| CN113446816A (en) * | 2021-04-28 | 2021-09-28 | 四川国沃生物科技有限公司 | Fertilizer is smashed and drying device |
| CN115104746A (en) * | 2022-06-30 | 2022-09-27 | 黄骅市国润生态食品有限公司 | Pressure difference flash evaporation equipment is used in winter jujube processing |
| CN115104746B (en) * | 2022-06-30 | 2024-01-16 | 黄骅市国润生态食品有限公司 | Pressure difference flash evaporation equipment for winter jujube processing |
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| CN102335672B (en) | 2013-11-06 |
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Address after: 410009, Changsha Province, Tianxin District, Furong Road, No. 128, modern Kailai Hotel, building, floor, building, floor, building 6 Patentee after: HUNAN MODERN ENVIRONMENT TECHNOLOGY CO., LTD. Address before: 410005 Changsha, Furong district, Hunan Wuyi Road, No. 766 Zhongtian administrative mansion, No. 11029 Patentee before: Hunan Modern Environmental Technology Co., Ltd. |
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