CN202355938U - High-precision-coating non-woven filter material - Google Patents
High-precision-coating non-woven filter material Download PDFInfo
- Publication number
- CN202355938U CN202355938U CN2011204528314U CN201120452831U CN202355938U CN 202355938 U CN202355938 U CN 202355938U CN 2011204528314 U CN2011204528314 U CN 2011204528314U CN 201120452831 U CN201120452831 U CN 201120452831U CN 202355938 U CN202355938 U CN 202355938U
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- filter material
- dust
- polytetrafluoroethylene
- coating
- filtrate
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Abstract
The utility model provides a high-precision-coating non-woven filter material which has good filter effect, good temperature resistance, low production cost and long service life, and comprises a non-woven filter material, wherein an upper surface and a lower surface of the non-woven filter material are respectively provided with a polytetrafluoroethylene immersion treatment layer; and a polytetrafluoroethylene coating is coated on an outer surface of the polytetrafluoroethylene immersion treatment layer. The high-precision-coating non-woven filter material provided by the utility model has low filter resistance and good air permeability; permeability amount can reach 8-15m3/m2.min; dust is filtered by the surface of the coating filter material, a dust layer of a common filter material needs not to participate in filtration, thus the pressure reduction is low, and the power consumption of a fan can be saved; dust removal times are reduced, and dust removal period is prolonged, therefore, the investment and operation cost of equipment are effectively reduced; and because of having a smooth surface and hydrophobicity, the polytetrafluoroethylene coating is easy to fall off under the action of a dust removal external force, even if humid dust is bonded, thus the filter resistance can be kept to be stable.
Description
Technical field
The utility model relates to a kind of filtering material, especially a kind of high accuracy coated nonwoven filtrate.
Background technology
At present, in the heatproof dust removal by filtration cloth bag that the sack cleaner of industries such as cement, power plant, iron and steel, carbon black uses, the overwhelming majority all is to weave or non-woven processing with single material, in use exposes the defective of self:
The one, the defective of homogenous material various degrees, poor like the temperature tolerance and the non-oxidizability of PPS filtrate; The water-fast guards escorting prisoners of P84 fiber, price are higher; Low, the expensive of the tensile strength of PTFE fiber; The folding resistance of glass fibre and wearability are slightly poor.
The 2nd, the filtering material that adopts homogenous material to process, even the bisque that forms filters, the rate of filtration can not be excessive, otherwise pass through filter easily, so its filter effect is not ideal enough.
The 3rd, the exhaust gas dust that different airborne dust points produce; Its temperature, humidity, dust content, the chemical composition in the dust, particle diameter distribute, and the composition and the content of the pernicious gas in the flue gas all are not quite similar; Rely on the filtering material of single component, be difficult to accomplish effective filtration flue dust.
Simultaneously; At the dirt pits that removes that some dust contents are high, dust size is little, the corrosivity composition is many, humidity of flue gas is big, temperature fluctuation is big; Performance to filter material proposes higher requirement; Filtrate service life and dust emission concentration become a big difficult point of each operating mode smoke abatement and dust control, and common filtering material can not satisfy the filtration requirement of similar operating mode.
The utility model content
The utility model provides a kind of good filtration effect, heat resistance is good, production cost is low, the high accuracy coated nonwoven filtrate of long service life.
Realize the high accuracy coated nonwoven filtrate of the utility model purpose; Comprise non-woven filtrate; Respectively be provided with polytetrafluoroethylene (PTFE) impregnation process layer on the upper and lower surface of this non-woven filtrate, the outer surface of a polytetrafluoroethylene (PTFE) impregnation process layer applies polytetrafluorethylecoatings coatings therein.
Described non-woven filtrate is a filter felt.
The thickness of said polytetrafluorethylecoatings coatings is 20～200 μ m.
The beneficial effect of the utility model high accuracy coated nonwoven filtrate is following:
1, the filtration resistance of the high accuracy coated nonwoven filtrate of the utility model is low, good permeability, and Air permenbility reaches 8-15m
3/ m
2Min.The coating filtrate is through the surface filtration laying dust, and the dust layer that need not ordinary filter participates in filtering, and pressure drop is low, saves the blower fan power consumption, reduces the deashing number of times and prolongs cleaning cycle, has effectively reduced investment of devices and operating cost;
2, because polytetrafluorethylecoatings coatings almost can be held back the whole dust in the dust-contained airflow, filter efficiency is high, smooth surface and be easy to deashing; Coefficient of friction is low, and the fissility during deashing is good;
3, because the chemical resistance of polytetrafluoroethylene (PTFE) is good, high temperature resistant, heatproof is up to 260 ℃ continuously, and moment can reach more than 280 ℃;
4, polytetrafluorethylecoatings coatings is sticking more many more unlike the such generation of ordinary filter filter material surface dust, the phenomenon that cause and stick with paste bag, hardens, pressure reduction rises rapidly;
5, because the smooth surface of polytetrafluorethylecoatings coatings has hydrophobicity,, under the effect of deashing external force, also come off easily, keep filtration resistance steady even moist dust bonding is arranged.
Description of drawings
Fig. 1 is the structural representation of the high accuracy coated nonwoven filtrate of the utility model.
The specific embodiment
As shown in Figure 1; The high accuracy coated nonwoven filtrate of the utility model; Comprise non-woven filtrate 3, respectively be provided with polytetrafluoroethylene (PTFE) impregnation process layer 2 on the upper and lower surface of this non-woven filtrate 3, the outer surface of a polytetrafluoroethylene (PTFE) impregnation process layer 2 applies polytetrafluorethylecoatings coatings 1 therein.
Said non-woven filtrate 3 is a filter felt.
The thickness of said polytetrafluorethylecoatings coatings 1 is 20～200 μ m.
The high accuracy coated nonwoven filtrate of the utility model is compared with common filter cloth: under identical dust containing capacity, Air permenbility is good, and filtration resistance is little.Its filtration velocity can improve 1/3, and SR reduces by 1/4, but the above granule dust of collection cut size 0.5 μ m, and dust removing rate is more than 99.99%.
The polytetrafluorethylecoatings coatings of the high accuracy coated nonwoven filter material surface of the utility model almost can be held back the whole dust in the dust-contained airflow, has high filter efficiency.In addition because PTFE has self-cleaning and hydrophobicity; The coating filtrate is easy to deashing; Dust can not go deep into filtrate inside simultaneously; Also can be blown gradually even there are some fine dusts to get into filtrate inside, thereby can under the situation that does not increase running resistance, guarantee the maximum that air communication is crossed, collected dust cake is superior to traditional filtrate.It has become " both surface filtration " with " in-depth filtration " of traditional filtrate.
Claims (3)
1. high accuracy coated nonwoven filtrate; Comprise non-woven filtrate; It is characterized in that: respectively be provided with polytetrafluoroethylene (PTFE) impregnation process layer on the upper and lower surface of this non-woven filtrate, the outer surface of a polytetrafluoroethylene (PTFE) impregnation process layer applies polytetrafluorethylecoatings coatings therein.
2. high accuracy coated nonwoven filtrate according to claim 1 is characterized in that: described non-woven filtrate is a filter felt.
3. high accuracy coated nonwoven filtrate according to claim 1 and 2 is characterized in that: the thickness of said polytetrafluorethylecoatings coatings is 20～200 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204528314U CN202355938U (en) | 2011-11-15 | 2011-11-15 | High-precision-coating non-woven filter material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204528314U CN202355938U (en) | 2011-11-15 | 2011-11-15 | High-precision-coating non-woven filter material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202355938U true CN202355938U (en) | 2012-08-01 |
Family
ID=46567158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204528314U Expired - Fee Related CN202355938U (en) | 2011-11-15 | 2011-11-15 | High-precision-coating non-woven filter material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202355938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433073A (en) * | 2017-08-21 | 2017-12-05 | 营口凯悦滤业科技有限公司 | A kind of preparation method of new PTFE coated glass fibers filtering material |
-
2011
- 2011-11-15 CN CN2011204528314U patent/CN202355938U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433073A (en) * | 2017-08-21 | 2017-12-05 | 营口凯悦滤业科技有限公司 | A kind of preparation method of new PTFE coated glass fibers filtering material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 115004, No. 66, South Coast Road, West City, Liaoning, Yingkou Patentee after: Liaoning Hong Shun environmental protection new material Co., Ltd. Address before: 115000, No. 66, South Coast Road, West City, Liaoning, Yingkou Patentee before: Yingkou Haishuo Environmental Protection Filter Material Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180102 Address after: 324000 Zhejiang Province, Quzhou City Kecheng District Tower Road No. 8 Patentee after: Zhejiang Hongsheng Environmental Protection Technology Co. Ltd. Address before: 115004, No. 66, South Coast Road, West City, Liaoning, Yingkou Patentee before: Liaoning Hong Shun environmental protection new material Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 8, Tashan Road, Kecheng District, Quzhou, Zhejiang Patentee after: Zhejiang Hongsheng Environmental Technology Group Limited Address before: No. 8, Tashan Road, Kecheng District, Quzhou, Zhejiang Patentee before: Zhejiang Hongsheng Environmental Protection Technology Co. Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20191115 |