CN103752104A - High-temperature cartridge deduster - Google Patents
High-temperature cartridge deduster Download PDFInfo
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- CN103752104A CN103752104A CN201410041712.8A CN201410041712A CN103752104A CN 103752104 A CN103752104 A CN 103752104A CN 201410041712 A CN201410041712 A CN 201410041712A CN 103752104 A CN103752104 A CN 103752104A
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- filter
- high temperature
- filter cylinder
- deduster
- temperature
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Abstract
The invention relates to a deduster, in particular to a high-temperature cartridge deduster. The high-temperature cartridge deduster comprises a box body, an air inlet and an air outlet, a pattern board arranged in the box body, cartridges fixed and suspended below the pattern board, a blowing system arranged above the pattern board, and an ash bucket arranged below the box body. The high-temperature cartridge deduster is characterized in that the high-temperature cartridges used in the deduster are filtering elements, can operate at the temperature of 170 DEG C for a long period of time, and can resist the high temperature of 190 DEG C instantaneously, filament polyphenylene sulfide is adopted as the material of the cartridge, the filtering effect is good, the dust is easy to clean, and as the filtering area of the high-temperature cartridges is large, the volume of processed air is larger, and the occupied area is saved. Therefore, the high-temperature cartridge deduster has the advantages of high purifying efficiency, large volume of processed air, long service life of a filter, safe and reliable operation, high degree of automation, small occupied area, etc.
Description
Technical field
The present invention relates to a kind of deduster, particularly high temperature filter drum type precipitator.
Background technology
Along with the raising of industrial development and people's environmental protection consciousness, various dedusting technologies are developed by people, and various dedusters also just arise at the historic moment.Wherein filter cartridge dust remover development is very fast, and filter cartridge dust remover can be divided into polytype according to the material of mounting means and filter cylinder is different.
Filter drum type precipitator just occurs in Japan and more American-European countries as far back as 20 century 70s, there is volume little, efficiency is high, reduced investment, the advantages such as easy care, in recent years, along with new technology, new material constantly develop, make filter cartridge dust remover be widely used in the industrial circles such as cement, iron and steel, electric power, food, metallurgy, chemical industry, whole volume increases several times, becomes filter area >2000m
2large-scale deduster (GB6719-86 class), compare with existing various pocket types, electrostatic precipitator on market have that effective filtration area is large, pressure reduction is low, the feature such as low emission, volume are little, long service life, become the new direction of industrial dust collector development.
The performance of filter cartridge dust remover is mainly manifested in filtration, deashing and under operating mode aspect service life length two.With dedusting technology existing level, filter effect being reached and be better than environmental protection standard is not difficult matter, and the dust on filtrate is removed, is easier to implement yet.Under operating condition, be crucial the service life of filter cartridge dust remover, generally higher generally more than 150 ℃ due to flue-gas temperature in iron and steel, power industry, so needed flue gas to carry out pretreatment before entering filter cartridge dust remover or sack cleaner, pretreated mode comprises water-cooled or air preheater, no matter which kind of mode pretreated fumes, all needs to consume larger power, improves operating cost.Can filter cartridge dust remover bear higher flue-gas temperature and be related to the indices such as service life of deduster and economical operation benefit.
Existing filter cartridge dust remover filtering material is exactly mainly chopped fiber needle-punched nonwoven, filter cylinder element does not also pass through high-temperature process measure, because filter cylinder filtering material is generally selected chopped fiber needle-punched nonwoven, can not the higher flue gas for the treatment of temperature, generally can only treatment temperature < the flue gas of 120 ℃.The spare and accessory parts of the most of filter cylinder material of existing market and use comprise that band, glue etc. all can not bear higher flue-gas temperature, so once flue-gas temperature too high service life that will certainly affect filter cylinder, thus the operating cost of deduster improved.
Summary of the invention
The embodiment of the present invention provides a kind of high temperature filter drum type precipitator, for from dusty gas by particulate separation out and trapped, reclaim.
A kind of high temperature filter drum type precipitator, comprising:
For supporting and the casing of protective effect;
Be arranged on air inlet and air outlet on casing, air inlet and air outlet are used for passing into dusty gas and discharge clean gas;
Be arranged on the card of box house;
Fix and be suspended in the filter cylinder under card, for captured gas dust;
Be arranged on the injection system of card top, for the dust of clean filter cylinder adsorption;
Be arranged on the ash bucket of casing below, the dust trapping for receiving deduster;
Connect the negative-pressure air fan of air outlet, for keeping subnormal ambient in casing;
Described filter cylinder comprises metal frame and filter material, described metal frame adopts low-carbon steel material, described filter material is the sandwich construction that fiber filament is entwined, every one deck structure is the netted of the laid one-tenth of filament fiber, described filter material, towards a filament diameter minimum of filter cylinder inner side, progressively increases to the outermost filter material filament diameter of filter cylinder from filter cylinder innermost layer.
The long filament PPS filtering material that described filter material adopts, it is with phenyl ring, in contraposition, to connect sulphur atom and the linearity, the crystalline polymer that form macromolecular main chain, 285 ℃ of fusing points, 400 ℃ of decomposition temperature ﹥, long-term serviceability temperature can reach 170 ℃, and anti-flammability can reach UL94-0 level.
For the further improvement of technique scheme, the pore size difference of described every one deck of filter material, filter cylinder innermost layer aperture minimum, from filter cylinder innermost layer to filter cylinder outermost layer, the aperture of filter material progressively increases.
For the further improvement of technique scheme, the filament diameter of described every one deck of filter material is between 10-60 micrometer range.
For the further improvement of technique scheme, the fibre number of described every one deck of filter material is between 1-6 dawn scope.
For the further improvement of technique scheme, the metal frame of filter cylinder is after oil removing, rust cleaning, phosphatization, to make the mild steel of silicones application processing.
Filter cylinder band material is the braid over braid of aramid fiber.Aramid fiber is a kind of high-intensity fiber, 200 ℃ of heatproofs.Filter cylinder sealing ring can be made with rubber weather strip, good springiness, and sealing is tight, and heatproof can reach 220 ℃.The all metalworks of filter cylinder are mild steel, and metalwork is done silicones application processing after oil removing, rust cleaning, phosphatization, and coating antiseptic is functional, 220 ℃ of heatproofs.Filter cylinder adhesive is special modified epoxy resin, and chemical stability is good, and ability temperature repeatedly alternately changes, and heatproof reaches 200 ℃, instantaneous 220 ℃.
For the further improvement of technique scheme, described high temperature filter drum type precipitator also comprises some lift valves, and described lift valve is arranged in the pipeline that connects air outlet, for switching dedusting and the deashing pattern of cleaner.
For the further improvement of technique scheme, described high temperature filter drum type precipitator also comprises injection system, and described injection system also comprises some pulse valves, and described pulse valve one end is connected with air accumulator, and the other end joins with winding-up pipeline.
For the further improvement of technique scheme, described high temperature filter drum type precipitator also comprises the bypath system that connects air inlet and air outlet, for the too high or too low gas of exhaust temperature, and protection filter cylinder; In described bypath system, be provided with bypass valve, when dusty gas temperature is during below or above filter cylinder tolerance range, open bypass valve.
For the further improvement of technique scheme, described high temperature filter drum type precipitator also comprises electric-control system, can automatically control the deashing of deduster and unload ash, guarantees that deduster is in increasingly automated state.Described high temperature filter cartridge dust remover also comprises electric control system, and described electric control system adopts programmable controller to control, and the various piece of deduster can be carried out automatically as requested or manually be controlled, and according to demand, interlock also can be set.
For the further improvement of technique scheme, described high temperature filter drum type precipitator also comprises thermostatic control system.
As can be seen from the above technical solutions, the present invention has the following advantages:
1, the filter material of filter cylinder use long filament PPS is filtrate, and long filament and filtering material are easy to produce, cost-saving;
2, the filter material filtrate energy long-play that high temperature filter cylinder is used is at 170 ℃, and transient temperature can reach 170 ℃; Long service life, saves operating cost;
3, high temperature filter cartridge dust remover filtering accuracy high, compared with easy-to-clean ash, floor space is little.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention overall structure schematic diagram;
Fig. 2 is cartridge structure schematic diagram of the present invention;
Wherein: 1-ash bucket, 2-casing, 3-filter cylinder, 4-air inlet, 5-card, 6-injection system, 7-air outlet, 8-electrical control cubicles, 9-upper end cover, 10-Venturi tube, 11-rubber weather strip, 12-modified epoxy, 13-filter material, 14-middle transition ring, 15-inner support, 16-spherical gas separator tube, 17-bottom end cover, 18-band.
The specific embodiment
The embodiment of the present invention provides a kind of high temperature filter drum type precipitator, for from dusty gas by particulate separation out and trapped, reclaim.Below with reference to the drawings and specific embodiments, describe implementation procedure of the present invention in detail.
A kind of high temperature filter drum type precipitator, for logical filter cartridge from dusty gas by particulate separation out and reclaimed, as shown in Figure 1, comprising: for supporting and the casing 2 of protective effect; Be arranged on air inlet 4 in casing 2 one side and the air outlet 7 on opposite, be respectively used to pass into dusty gas and discharge clean gas.Air inlet 4 is controlled at 0.8m/min once by filtration velocity; Air outlet 7 connects negative-pressure air fan, makes the interior maintenance subnormal ambient of casing 2.Ash bucket 1 is arranged on casing 2 belows, and the dust trapping for receiving deduster is also provided with column below ash bucket 1, plays a supporting role.
Card 5 is positioned at the middle part of sack cleaner casing 2, and casing 2 is divided into top injection system chamber and two of filter bag chambers, bottom part.Card 5 directly bears the load such as high temperature filter cylinder 3 and accessory weight thereof, panel dust stratification, the sticky ash of high temperature filter cylinder 3 inner surfaces, winding-up air pressure.Between card 5 and high temperature filter cylinder 3, rubber weather strip sealing strip is set, can prevents the gap gas leakage between high temperature filter cylinder 3 and card 5, reduce filter effect.
The present embodiment is provided with altogether 120 and adopts the high temperature filter cylinder 3 of long filament PPS filtering material as filter.Card 5 belows are fixed and be suspended in to described high temperature filter cylinder 3 by accessories such as Venturi tube, elastic rings, and be provided with rubber weather strip 11.High temperature filter cylinder is for captured gas solids.The filtrate of high temperature filter cylinder 3 with and spare and accessory parts are the deduster critical materials in service life, according to the character of pending gas and dust, select normal operation and the operational effect of suitable filtrate on deduster to have important impact.In the present invention, high temperature filter cylinder 3 comprises metal frame 31 and filter material 13, described metal frame 31 adopts low-carbon steel material, the sandwich construction that described filter material 13 is entwined for long filament PPS filtering material, every one deck structure is the netted of the laid one-tenth of filament fiber, described filter material, towards a filament diameter minimum of filter cylinder inner side, progressively increases to the outermost filter material filament diameter of filter cylinder from filter cylinder innermost layer.Described high temperature filter cylinder 3 removes filter material 13 and adopts the long filament PPS filtrate that can bear for a long time 170 ℃ of high temperature, its other accessories comprise that rubber weather strip 11, inner support 15, band 18, adhesive heatproof can reach 200 ℃, guarantee the service life of deduster under high-temperature flue gas.
Described high temperature filter drum type precipitator also comprises 5 lift valves, corresponding with pulse valve, and described lift valve is arranged in the pipeline that connects air outlet 6, for switching dedusting and the deashing pattern of deduster.The air pressure of casing 2 inside in lift valve control, opens during lift valve, because air outlet 7 connects the effect of negative-pressure air fan, make the interior maintenance negative pressure state of casing 1, the dusty gas passing in high temperature filter cylinder 3 filters outside to inside from filter cylinder, by lift valve, via air outlet 7, discharges; While closing lift valve, the gas filtering cannot be discharged, and switches to deashing pattern.The unlatching of lift valve or close the air pressure change that can cause in casing 2 is shaken high temperature filter cylinder, and then easily by pulse jet, is removed under stressed variation.Lift valve also can be according to needs, are set to corresponding multiple pulse valve.
Described high temperature filter cylinder is mainly by being with Venturi tube 10 in upper end cover 9(), inner support 15, long filament PPS filter material 13, middle transition ring 14 and bottom end cover 17 form, band Venturi tube 10 in upper end cover 9(), inner support 15 and spherical gas buffer 16 weld together, and formed a total stake body.Total stake body, middle transition ring 14, bottom end cover 17 and filter material 13 are bonded together by viscose glue.In addition, then by rubber weather strip 11 and each paper folded of filter material 13, be combined with band 18, guarantee that the distance between each paper folding is even.Inner support 15 is vertical by 6 cold drawn round iron of φ 3, laterally uses the cold drawn round iron of φ 3.5.The spacing of each iron hoop is 100mm.Band Venturi tube 10 in 15 1 of inner supports and upper end cover 9() spot welding, other end and 16 spot welding of hemispherical buffer form total stake body.The effect of radial buffer 16 has 2 points.The first, air pulse is directly delivered on total stake body the impulsive force of filter cylinder bottom, has avoided the situation that under air pulse impacts, bottom end cover is come off.The second, avoided air pulse to be flushed to the rear situation from filter cylinder bottom filter material to surrounding diffusion that at once damage in filter cylinder bottom.
The filter material 13 that described high temperature filter cylinder is used for polypropylene sulfide be long filament PPS, this filtrate energy continuous service is at 170 ℃, the inner support 15 of high temperature filter cylinder, adhesive, rubber weather strip 11, band 18 can bear the high temperature of 200 ℃ in addition.
Described high temperature filter cartridge dust remover filter element filter cylinder is containing Venturi tube 10, and Venturi tube 10 is up big and down small tubaeform bodys, and winding-up air-flow is jetted from the top down, and when air-flow arrives Venturi tube 10 diameter smallest end, flow velocity is the highest.Flow velocity is higher, and pressure is lower, has so just formed a region of no pressure, and it can introduce Venturi tube by the air of filter cylinder circumferential perimeter, so just can greatly improve the air capacity that enters cartridge interior, has improved ash-removal effect.
Described high temperature filter drum type precipitator also comprises electric control system, and described electric control system adopts programmable controller to control, and deduster equipment resistance is set as being less than 1200Pa, realizes automation control.The various piece of deduster can be carried out automatically as requested or manually be controlled, and according to demand, interlock also can be set.
Meanwhile, described high temperature filter drum type precipitator also comprises thermostatic control system.
Above a kind of high temperature filter cartridge dust remover that uses provided by the present invention is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, the for example quantity of high temperature filter cylinder, pulse valve, lift valve and corresponding relation, all can do respective change according to actual needs.In sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a high temperature filter drum type precipitator, comprising:
For supporting and the casing (2) of protective effect;
Be arranged on air inlet (4) and air outlet (6) on casing (2), air inlet and air outlet are used for passing into dusty gas and discharge clean gas;
Be arranged on the inner card (5) of casing (2);
Fix and be suspended in the filter cylinder (3) under card (5), for captured gas dust;
Be arranged on the injection system (6) of card (5) top, for the dust of clean filter cylinder (3) adsorption;
Be arranged on the ash bucket (1) of casing (2) below, the dust trapping for receiving deduster;
Connect the negative-pressure air fan of air outlet (7), for keeping the interior subnormal ambient of casing (2);
It is characterized in that: described filter cylinder (3) comprises metal frame (31) and filter material (13), described metal frame (31) adopts low-carbon steel material, the sandwich construction that described filter material (13) is entwined for fiber filament, every one deck structure is the netted of the laid one-tenth of filament fiber, described filter material (13), towards a filament diameter minimum of filter cylinder (3) inner side, progressively increases to the outermost filter material of filter cylinder (13) filament diameter from filter cylinder innermost layer.
2. high temperature filter drum type precipitator according to claim 1, is characterized in that: the pore size difference of described every one deck of filter material (13), and filter cylinder innermost layer aperture minimum, from filter cylinder innermost layer to filter cylinder outermost layer, the aperture of filter material (13) progressively increases.
3. high temperature filter drum type precipitator according to claim 1 and 2, is characterized in that: the filament diameter of described every one deck of filter material (13) is between 10-60 micrometer range.
4. high temperature filter drum type precipitator according to claim 1 and 2, is characterized in that: the fibre number of described every one deck of filter material (13) is between 1-6 dawn scope.
5. high temperature filter cartridge dust remover according to claim 1, is characterized in that: the metal frame (31) of filter cylinder (3) for making the mild steel of silicones application processing after oil removing, rust cleaning, phosphatization.
6. high temperature filter cartridge dust remover according to claim 1, is characterized in that: also comprise some lift valves, described lift valve is arranged in the pipeline that connects air outlet, for switching dedusting and the deashing pattern of cleaner.
7. high temperature filter cartridge dust remover according to claim 1, is characterized in that: also comprise injection system (5), described injection system also comprises some pulse valves, and described pulse valve one end is connected with air accumulator, and the other end joins with winding-up pipeline.
8. high temperature filter drum type precipitator according to claim 1, is characterized in that: also comprise the bypath system that connects air inlet (4) and air outlet (6), and for the too high or too low gas of exhaust temperature, protection filter cylinder (3); In described bypath system, be provided with bypass valve, when dusty gas temperature is during below or above filter cylinder (3) tolerance range, open bypass valve.
9. high temperature filter drum type precipitator according to claim 1, is characterized in that: also comprise electric-control system, can automatically control the deashing of deduster and unload ash, guarantee that deduster is in increasingly automated state.
10. high temperature filter drum type precipitator according to claim 1, is characterized in that: also comprise thermostatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041712.8A CN103752104B (en) | 2014-01-28 | 2014-01-28 | High-temperature cartridge deduster |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041712.8A CN103752104B (en) | 2014-01-28 | 2014-01-28 | High-temperature cartridge deduster |
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| CN103752104A true CN103752104A (en) | 2014-04-30 |
| CN103752104B CN103752104B (en) | 2016-06-29 |
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| CN201410041712.8A Active CN103752104B (en) | 2014-01-28 | 2014-01-28 | High-temperature cartridge deduster |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668996A (en) * | 2018-12-29 | 2019-04-23 | 浙江大学 | A kind of denitrating catalyst full load runnability experimental rig |
| WO2020125026A1 (en) * | 2018-12-18 | 2020-06-25 | 广东风和洁净工程有限公司 | Powdery resource recovery device |
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| US5753002A (en) * | 1994-06-14 | 1998-05-19 | Appliance Development Corp. | High-efficiency air filter |
| CN101658748A (en) * | 2009-09-17 | 2010-03-03 | 浙江吉天环保科技有限公司 | Outer-filtering bag-type deduster |
| CN102698526A (en) * | 2012-06-20 | 2012-10-03 | 浙江吉天环保科技有限公司 | Internal filtering dust filtering equipment |
| CN202638181U (en) * | 2012-06-20 | 2013-01-02 | 浙江吉天环保科技有限公司 | Inner-filtering type dust filter device |
| CN103285663A (en) * | 2013-06-18 | 2013-09-11 | 浙江吉天环保科技有限公司 | Spunbond filament filter material |
| CN203281160U (en) * | 2013-06-18 | 2013-11-13 | 浙江吉天环保科技有限公司 | Bag-type dust collector with filament filtering materials used |
| CN203281158U (en) * | 2013-06-18 | 2013-11-13 | 浙江吉天环保科技有限公司 | Dedusting filter bag |
| CN203678175U (en) * | 2014-01-28 | 2014-07-02 | 浙江吉天环保科技有限公司 | Filter cartridge dirt catcher |
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2014
- 2014-01-28 CN CN201410041712.8A patent/CN103752104B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5753002A (en) * | 1994-06-14 | 1998-05-19 | Appliance Development Corp. | High-efficiency air filter |
| CN101658748A (en) * | 2009-09-17 | 2010-03-03 | 浙江吉天环保科技有限公司 | Outer-filtering bag-type deduster |
| CN102698526A (en) * | 2012-06-20 | 2012-10-03 | 浙江吉天环保科技有限公司 | Internal filtering dust filtering equipment |
| CN202638181U (en) * | 2012-06-20 | 2013-01-02 | 浙江吉天环保科技有限公司 | Inner-filtering type dust filter device |
| CN103285663A (en) * | 2013-06-18 | 2013-09-11 | 浙江吉天环保科技有限公司 | Spunbond filament filter material |
| CN203281160U (en) * | 2013-06-18 | 2013-11-13 | 浙江吉天环保科技有限公司 | Bag-type dust collector with filament filtering materials used |
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| CN203678175U (en) * | 2014-01-28 | 2014-07-02 | 浙江吉天环保科技有限公司 | Filter cartridge dirt catcher |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125026A1 (en) * | 2018-12-18 | 2020-06-25 | 广东风和洁净工程有限公司 | Powdery resource recovery device |
| CN109668996A (en) * | 2018-12-29 | 2019-04-23 | 浙江大学 | A kind of denitrating catalyst full load runnability experimental rig |
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| Publication number | Publication date |
|---|---|
| CN103752104B (en) | 2016-06-29 |
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Effective date of registration: 20171215 Address after: 528225 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District Road No. 5 Patentee after: Guangdong environmental technology Limited by Share Ltd Address before: 324000 No. 39 Middle Pier Road, Qujiang District, Zhejiang, Quzhou Patentee before: Zhejiang Jitian Environmental Protection Technology Co., Ltd. |
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Address after: 528225 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District Road No. 5 Patentee after: Guangdong Bao Hong new material Limited by Share Ltd. Address before: 528225 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District Road No. 5 Patentee before: GUANGDONG S.L.P. ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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