CN203425635U - Energy-saving gradient filtering bag - Google Patents
Energy-saving gradient filtering bag Download PDFInfo
- Publication number
- CN203425635U CN203425635U CN201320542000.5U CN201320542000U CN203425635U CN 203425635 U CN203425635 U CN 203425635U CN 201320542000 U CN201320542000 U CN 201320542000U CN 203425635 U CN203425635 U CN 203425635U
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- China
- Prior art keywords
- bag body
- filtering bag
- polyphenylene sulfide
- filter bag
- filtering
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Abstract
The utility model discloses an energy-saving gradient filtering bag which comprises a filtering bag body and a mounting ring, wherein the filtering bag body comprises an inner layer which is formed by compounding polyphenylene sulfide fiber and polytetrafluoroethylene fiber, a middle layer made of polyphenylene sulfide fiber, and an outer layer made of polyimide fiber with an irregular cross section; the polyphenylene sulfide fiber of the middle layer and the polyphenylene sulfide fiber of the inner layer are different in fineness; pores formed by the fibers of the inner layer, the middle layer and the outer layer are staggered so that a three-dimensional asymmetry gradient carpet veneer structure is formed; the mounting ring is arranged at the bag opening of the filtering bag body; PTFE (Polytetrafluoroethylene) films are coated on inner and outer surfaces of the filtering bad body; at least two fold lines around the surface of the filtering bag body for one circle are arranged on the filtering bag body; rhombic support rings are arranged at the fold lines. Due to adoption of the energy-saving gradient filtering bag, the dust removing property and the service life of the filtering bag can be greatly improved and prolonged, due to a folded type accordion air box structure of the filtering bag body, the filtering area inside the filtering bag in a unit area is greatly increased, and the purposes of high-efficiency dust removal and energy conservation are achieved.
Description
Technical field
The utility model relates to a kind of dirt catcher filter bag, especially a kind of energy-conservation gradient filtration bag.
Background technology
Along with the fast development of China's economic, iron and steel, cement, coal production rank first in the world, generated energy the second in the world.These raw material, energy industry production equipment are relative with technique backward, and resource, energy consumption are large, seriously polluted, the dust of generation, flue dust enormous amount, and sack cleaner market demand also increases thereupon.The dustproof function of sack cleaner relies on filter bag to realize.When dusty gas arrives another side by the one side of filter bag, dust is just delayed at the surface of filter bag, and gas is just cleaned.The long-pending dust layer that is attached to filter bag surface also can play the effect of filter dirt, thereby obtains very high efficiency of dust collection.
Sack cleaner is except there being dedusting parts---dust-removal cloth-bag, also have a very important assembly---deashing device.Due to constantly thickening of dedusting filtering bag surface dust layer, filter bag increases gradually to the resistance of air-flow.The ability that gas passes through reduces gradually.That is to say, the processing air quantity of deduster is just more and more less.If without adequate measure dust out, filter bag will be blocked, hinders the normal operation of dust pelletizing system.In order to allow sack cleaner continuously and effectively work, just must remove in time dust stratification on filter bag, make filter bag often in cleaner state.As can be seen here, the critical component of sack cleaner is filter bag, and the quality of its dust removal performance is determining the quality of sack cleaner.Function from filter bag, the windward side Main Function of filter bag is the trapping to dust granules thing, washing away of opposing positive air flow, the back side of filter bag plays a supportive role, damage is mainly derived from the wearing and tearing of keel, keel are arranged on the inside of filter bag, when supporting filter bag, thereby can produce the damage that friction causes filter bag with filter bag.Once filter bag breaks, strainability drops to rapidly very low.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of high filtering precision that has, high-wearing feature, the better energy-conservation gradient filtration bag of filter effect.
The utility model in order to solve the problems of the technologies described above taked technical scheme is: a kind of energy-conservation gradient filtration bag, comprise filter bag body and installing ring, described filter bag body comprises by polyphenylene sulfide fibre and the compound internal layer forming of polytetrafluoroethylene fibre, the middle level being formed by polyphenylene sulfide fibre, and the skin being formed by the polyimide fiber with irregular cross section, the polyphenylene sulfide fibre in middle level has different fineness from the polyphenylene sulfide fibre of internal layer, described internal layer, in middle level and skin, fibroplastic hole is staggered, form three-dimensional asymmetric gradient carpet veneer structure, described filter bag body is provided with installing ring at sack, surfaces externally and internally at filter bag body is all covered with PTFE film, filter bag body is provided with at least two around the scrimp of one perimeter surface, and described scrimp place is provided with the support ring of rhombus.
Beneficial effect:
The special-shaped leaf type section structure of P84 polyimide fiber uniqueness has improved the filter table area of filtrate, guaranteed the high filtering precision of filtrate, fine dust is blocked in to filtrate top layer simultaneously, prevent that it from entering filtrate deep layer, guaranteed the pressure reduction that filtrate is low and stable, thereby reduced the operation energy consumption of deduster and improved discharge precision.Adopt distinctive hot melt complex technique PTFE coating materials to be overlayed on securely to the surface of filter felt, make filtrate there is better chemical-resistance and deashing property, improve the service life of filtrate.By filtrate is carried out to grease-proof and waterproof processing, improve the grease-proof and waterproof performance of filtrate, prevent that filtrate from producing and hardening because moisture content is high in application.Filter bag is designed to collapsible accordion bellows structure Bag chain, and filter bag cross section is the series connection of a plurality of rhombuses, has increased substantially filter bag filter area in unit volume, reduces resistance, reduces sack cleaner volume, realizes high-effective dust-removing and energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the structural representation of utility model.
Fig. 2 is that Fig. 1 removes the top view after installing ring.
In figure, 1, filter bag body, 2, installing ring, 3, support ring.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further concrete detailed explanation.
As shown in the figure, a kind of energy-conservation gradient filtration bag, comprise filter bag body 1 and installing ring 2, described filter bag body 1 comprises by polyphenylene sulfide fibre and the compound internal layer forming of polytetrafluoroethylene fibre, the middle level being formed by polyphenylene sulfide fibre, and the skin being formed by the polyimide fiber with irregular cross section, the polyphenylene sulfide fibre in middle level has different fineness from the polyphenylene sulfide fibre of internal layer, described internal layer, in middle level and skin, fibroplastic hole is staggered, form three-dimensional asymmetric gradient carpet veneer structure, described filter bag body 1 is provided with installing ring 2 at sack, surfaces externally and internally at filter bag body 1 is all covered with PTFE film, filter bag body 1 is provided with at least two around the scrimp of one perimeter surface, makes filter bag body 1 be collapsible accordion bellows structure, and described scrimp place is provided with the support ring 3 of rhombus.
Use the utlity model has following remarkable result;
1, the design of filtering layer three-dimensional asymmetric structure gradient makes the porosity of filtrate reach 86 ~ 93%.
2, carpet veneer structure asymmetric design, has the characteristic of " surface filtration " efficient low-resistance, prevents that to greatest extent dust from penetrating, and filter efficiency reaches 99.99%, guarantees stable running resistance.
3, collapsible accordion bellows-shaped structure Bag chain filter bag design, increases substantially filtrating smoke dust area in unit volume, reduces resistance, reduces sack cleaner volume, realizes the energy-conservation object of high-effective dust-removing.2 ~ 5 times of the filter bag filter area increases of same volume, disposal ability improve 2 ~ 5 times; Volume under same filter area reduces 70 ~ 90%, weight saving 60 ~ 70%, production cost reduce by 50 ~ 60%.
4, the solution that filter material surface is filled a prescription by special type carries out impregnation process as PTFE emulsion, makes filtrate have hydrophobic, oleophobic, fire-retardant, anti-folding and antiwear characteristic.
Claims (1)
1. an energy-conservation gradient filtration bag, it is characterized in that: comprise filter bag body (1) and installing ring (2), described filter bag body (1) comprises by polyphenylene sulfide fibre and the compound internal layer forming of polytetrafluoroethylene fibre, the middle level being formed by polyphenylene sulfide fibre, and the skin being formed by the polyimide fiber with irregular cross section, the polyphenylene sulfide fibre in middle level has different fineness from the polyphenylene sulfide fibre of internal layer, described internal layer, in middle level and skin, fibroplastic hole is staggered, form three-dimensional asymmetric gradient carpet veneer structure, described filter bag body (1) is provided with installing ring (2) at sack, surfaces externally and internally at filter bag body (1) is all covered with PTFE film, filter bag body (1) is provided with at least two around the scrimp of one perimeter surface, and described scrimp place is provided with the support ring (3) of rhombus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542000.5U CN203425635U (en) | 2013-09-03 | 2013-09-03 | Energy-saving gradient filtering bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542000.5U CN203425635U (en) | 2013-09-03 | 2013-09-03 | Energy-saving gradient filtering bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203425635U true CN203425635U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320542000.5U Expired - Lifetime CN203425635U (en) | 2013-09-03 | 2013-09-03 | Energy-saving gradient filtering bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203425635U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126761A (en) * | 2017-06-09 | 2017-09-05 | 江苏通盛滤袋有限公司 | A kind of precipitron anti-electrostatic filter cloth |
| CN110496465A (en) * | 2019-08-28 | 2019-11-26 | 安徽普瑞明精密机械有限公司 | A kind of environment protection emission mechanism of spheroidal graphite cast-iron melting production line |
-
2013
- 2013-09-03 CN CN201320542000.5U patent/CN203425635U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126761A (en) * | 2017-06-09 | 2017-09-05 | 江苏通盛滤袋有限公司 | A kind of precipitron anti-electrostatic filter cloth |
| CN110496465A (en) * | 2019-08-28 | 2019-11-26 | 安徽普瑞明精密机械有限公司 | A kind of environment protection emission mechanism of spheroidal graphite cast-iron melting production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 471822 Henan city of Luoyang province Luolong science and Technology Park Yuwen Kai Street No. 6 Patentee after: Luoyang duoweisi Environmental Protection Technology Co.,Ltd. Address before: 471822 Henan city of Luoyang province Luolong science and Technology Park Yuwen Kai Street No. 6 Patentee before: LUOYANG DWS ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
|
| CX01 | Expiry of patent term |