CN2469981Y - Efficient gas filtering device - Google Patents
Efficient gas filtering device Download PDFInfo
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- CN2469981Y CN2469981Y CN 01211110 CN01211110U CN2469981Y CN 2469981 Y CN2469981 Y CN 2469981Y CN 01211110 CN01211110 CN 01211110 CN 01211110 U CN01211110 U CN 01211110U CN 2469981 Y CN2469981 Y CN 2469981Y
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- filter
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- gas
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Abstract
The utility model discloses a high efficient gas filter which mainly comprises a seal head, a cylinder body, an inlet pipe, an outlet pipe, a cleaning hole and a bracket, a plurality of filtration box bodies formed by an upper and a lower layer of multi-hole plates are arranged in the cylinder body, the filtration box body has horizontally placed a plurality of layers of needle punched filter materials, the porosity ratios of the needle punched filter materials in the filtration box body decrease gradually from the upper to the lower. The utility model can collect micron level and submicron level dust particles, and can meet the super purification request during production, and the utility model is characterized in high dust removing efficiency, stable continuous running, big flexibility of operation and big dust containing volume, so the utility model is particularly suitable for super purification dust removing during the transportation process of the natural gas and coal gas.
Description
The utility model relates to a kind of pneumatic filter that is used for gas solid separation, or rather, relates to a kind of employing porous plate formation filter box up and down, carries out the High-Performance Gas Filter of gas solid separation.
System's voltage adjusting device required the comparison strictness to the cleanliness factor of natural gas and coal gas after natural gas and coal gas were carried and joined.Owing to contain a small amount of imperceptible dust (micron order or submicron order) in natural gas and the coal gas, generally need to be equipped with high-effective dust-removing equipment.Abroad, though the absolute value of dust content is less in natural gas and the coal gas, when being equipped with cleaner, require cleaner higher to the dust collection capacity of fine solid particle, external cleaner is because filter area is very little, so dust containing capacity is less, resistance is bigger.And the dust content in domestic natural gas and the coal gas will be higher than western developed country far away, the cleaner of import is less at dust containing capacity, under the bigger situation of resistance, shorten dramatically service life, and can't bear load, under the high pressure effect of natural gas and coal gas, be easy to deform and damage, make dust directly threaten import and carry the normal operation of joining back system voltage adjusting device.As the pneumatic filter of in natural gas and coal gas high-pressure delivery match system, introducing, its filtration fraction adopts monotubular folding fan type, filter core is cylindrical monotubular, periphery is fan-folded, it is little that this filter has a volume, renew cartridge advantage easily more, still, this filter dust containing capacity is little, when filtering gas, when the dust content in the gas was higher, dust was at the very fast formation filter cake of filter material surface, long-pending more thick more, the filter resistance straight line is risen, and filter core is not withstand voltage, turns round sometimes less than 2 hours, just filter cylinder is shriveled, be forced to stop to change filter cylinder, and the import filter cylinder costs an arm and a leg, change filter cylinder continually and can not solve the quantity-produced problem, do not pass a test again economically, therefore can not satisfy the requirement of ordinary production.
The purpose of this utility model provides a kind of High-Performance Gas Filter, this pneumatic filter adopts up and down two-layer porous plate to form the structure of filter box, the separative efficiency height, the dust granules that can separate micron order and submicron order, dust containing capacity is big, operating flexibility is big, can adapt to the bigger variation of load, can guarantee the stable operation of producing.
The utility model is to realize like this.High-Performance Gas Filter of the present utility model mainly comprises end socket, cylindrical shell, inlet tube, outlet, cleaning eye, support etc., and the filter box that is formed by two-layer porous plate is up and down arranged in the cylindrical shell, and needle punched filter material is arranged in the filter box.Filter box can have 1～6.
High-Performance Gas Filter of the present utility model has the needle punched filter material of 7～50 layers of horizontal positioned in the described filter box, it highly is 100～500mm, and the fibre diameter of needle punched filter material is 1～30 μ m.
High-Performance Gas Filter of the present utility model, the percent opening of described porous plate is 10～30%.
The porosity of the needle punched filter material in the High-Performance Gas Filter of the present utility model, described filter box from top to bottom reduces gradually.
The dedusting principle of High-Performance Gas Filter of the present utility model is: dusty gas enters the pneumatic filter cylindrical shell from the inlet tube of High-Performance Gas Filter, some blocks of porous plates are arranged in the cylindrical shell, have a certain proportion of hole on every block of porous plate equably, the air-flow that can control dusty gas evenly distributes, every two-layer porous plate up and down forms a filter box, from top to bottom a plurality of filter boxs can be arranged in the cylindrical shell, the needle punched filter material that horizontal positioned is arranged in the filter box, the porosity of the needle punched filter material in the filter box from top to bottom reduces gradually, like this, after the dusty gas that enters cylindrical shell passes through the filtration of several layers needle punched filter material downwards, big dust granules is just held back by the upper strata needle punched filter material, less dust granules is also just constantly held back by following needle punched filter material according to the size of dust granules particle diameter gradually step by step, avoided that most of dust granules is deposited on the filtrate in the single-stage filter, make the phenomenon of the very fast rising of filter resistance, in addition, owing to forming filter box between the two-layer porous plate up and down, the dust containing capacity of pneumatic filter of the present utility model is improved greatly, and each filter box is made up of the several layers needle punched filter material, improved filter efficiency, the dust granules that can separate micron order and submicron order, discharge by outlet through the dusty gas that filters like this, finished the dust removal process of dusty gas.
The utility model compared with prior art has the following advantages:
One, High-Performance Gas Filter efficiency of dust collection height of the present utility model, efficiency of dust collection can reach 99.999%, can capture the dust granules of micron order and submicron order, can satisfy the ultrapurification requirement in producing.Adopt High-Performance Gas Filter structure of the present utility model, can with the dust granules of different-grain diameter arrogant to little, be trapped in respectively on the filtrate of different aspects from top to bottom, can improve efficiency of dust collection; And two-layer up and down porous plate formed filter box, and its height improves the dust containing capacity of filter at 100～500mm greatly.After half a year was used in test, only finding that the upper strata needle punched filter material of pneumatic filter is long-pending had more dust, and lower floor's needle punched filter material cleaning very still.
Two, High-Performance Gas Filter stable performance of the present utility model, convenient operation and management, filtrate can not increase destroyed because of resistance.
Three, High-Performance Gas Filter operating flexibility of the present utility model is big, day handles tolerance can change at 40～80 ten thousand steres, and when promptly handling air quantity and fluctuating in 100% scope, its efficiency of dust collection is unaffected.Be applied to the coal gas course of conveying as High-Performance Gas Filter of the present utility model, coal gas carries tolerance to change very greatly, can reach more than 50% sometimes, but High-Performance Gas Filter of the present utility model works well, and is respond well.
Four, owing to having adopted, High-Performance Gas Filter of the present utility model is different from the inlet gas structure of filter, avoided that inlet gas filter application dust containing capacity in natural gas and coal gas course of conveying is little, service life is short, normal quantity-produced defective, and the needle punched filter material of filtration is cheap in the filter box, it only is 1/5th of import filter core, and the cycle of using is higher than the pneumatic filter of import far away continuously, can be manufacturer and saves a large amount of equipment investments.
To further set forth the utility model to the detailed description of an embodiment of High-Performance Gas Filter of the present utility model below, but embodiment not to restriction of the present utility model.
Fig. 1 is the structural representation of the utility model High-Performance Gas Filter one embodiment.
Number in the figure is expressed as:
1,2,3-filter box, 4-outlet, 5-cleaning eye, 6-end socket, 7-inlet tube, 8-cylindrical shell, 9,10,11,12-porous plate, 13,14,15-needle punched filter material, 16-support.
Embodiment:
As shown in Figure 1, the diameter of High-Performance Gas Filter of the present utility model is 1200mm, mainly comprise end socket 6, cylindrical shell 8, inlet tube 7, outlet 4, cleaning eye 5, support 16 etc., four blocks of porous plates 9,10,11,12 are arranged in cylindrical shell 8, and every two-layer porous plate up and down forms a filter box 1,2,3.Filter box 1 is made up of 30 layers of needle punched filter material, and the fibre diameter of needle punched filter material is 20～30 μ m; Filter box 2 is made up of 25 layers of needle punched filter material, and the fibre diameter of needle punched filter material is 5～15 μ m; Filter box 3 is made up of 10 layers of needle punched filter material, and the fibre diameter of needle punched filter material is 1～5 μ m.Three filter box total heights are 800mm.
The utility model is used for the conveying of pressing gas, handles air quantity 16000～34000Nm
3/ hr, air speed is 0.4～0.8m/s, and pressure is 0.8～1.2MPa, and system dust removing resistance Δ P is about 0.02MPa, and efficiency of dust collection is 99.999%.After the continuous operation of the utility model process more than a year and a half, do not change filter core, the coal gas that not only goes out filter reaches the ultrapurification requirement, and produces and can stablize normal operation.
Comparative Examples:
Before the utility model was applied to the pressing gas conveying, the used filter of the purification of pressing gas was from external import, never runs well in two years from the import use.This filter diameter is 800mm, handles air quantity 16000～34000Nm
3/ hr, pressure are 0.8～1.2MPa, drive 2 hours, and filter resistance promptly reaches more than the 0.1MPa, and filter is flattened, and are forced to stop.A filter core still can't be dealt with problems surplus successively changing 20, can't ordinary production.
Claims (6)
1, a kind of High-Performance Gas Filter, mainly comprise end socket [6], cylindrical shell [8], inlet tube [7], outlet [4], cleaning eye [5], support [16] etc., it is characterized in that in cylindrical shell [8], having the filter box [1,2,3] that forms by two-layer porous plate [9,10,11,12] up and down, needle punched filter material [13,14,15] is arranged in the filter box [1,2,3].
2, High-Performance Gas Filter as claimed in claim 1 is characterized in that in the cylindrical shell [8] 1～6 filter box being arranged.
3, High-Performance Gas Filter as claimed in claim 1 is characterized in that having in the described filter box [1,2,3] needle punched filter material of 7～50 layers of horizontal positioned, and it highly is 100～500mm.
4, High-Performance Gas Filter as claimed in claim 3, the fibre diameter that it is characterized in that described needle punched filter material are 1～30 μ m.
5, High-Performance Gas Filter as claimed in claim 1 is characterized in that the percent opening of described porous plate [9,10,11,12] is 10～30%.
6, High-Performance Gas Filter as claimed in claim 1 or 2 is characterized in that the porosity of the needle punched filter material [13,14,15] in the described filter box [1,2,3] from top to bottom reduces gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01211110 CN2469981Y (en) | 2001-03-14 | 2001-03-14 | Efficient gas filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01211110 CN2469981Y (en) | 2001-03-14 | 2001-03-14 | Efficient gas filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2469981Y true CN2469981Y (en) | 2002-01-09 |
Family
ID=33630559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01211110 Expired - Lifetime CN2469981Y (en) | 2001-03-14 | 2001-03-14 | Efficient gas filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2469981Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305071A (en) * | 2011-07-29 | 2012-01-04 | 东北大学 | Tube curtain-wet type gradually-changed-density fiber grid composite dust remover for development machine |
| CN103785246A (en) * | 2014-01-13 | 2014-05-14 | 中国石油天然气股份有限公司 | Anti-blocking gas filter |
| CN105709516A (en) * | 2016-03-07 | 2016-06-29 | 苏州保酚环境科技有限公司 | Multifunctional dust removing filter |
| CN106422565A (en) * | 2016-12-06 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Floor dust removal filter |
-
2001
- 2001-03-14 CN CN 01211110 patent/CN2469981Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305071A (en) * | 2011-07-29 | 2012-01-04 | 东北大学 | Tube curtain-wet type gradually-changed-density fiber grid composite dust remover for development machine |
| CN102305071B (en) * | 2011-07-29 | 2014-10-01 | 东北大学 | Tube curtain-wet type gradually-changed-density fiber grid composite dust remover for development machine |
| CN103785246A (en) * | 2014-01-13 | 2014-05-14 | 中国石油天然气股份有限公司 | Anti-blocking gas filter |
| CN103785246B (en) * | 2014-01-13 | 2015-12-02 | 中国石油天然气股份有限公司 | Anti-blocking gas filter |
| CN105709516A (en) * | 2016-03-07 | 2016-06-29 | 苏州保酚环境科技有限公司 | Multifunctional dust removing filter |
| CN106422565A (en) * | 2016-12-06 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Floor dust removal filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110314 Granted publication date: 20020109 |