CN208946815U - A kind of novel PTFE composite acupuncture easy-to-clean ash filter felt - Google Patents
A kind of novel PTFE composite acupuncture easy-to-clean ash filter felt Download PDFInfo
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- CN208946815U CN208946815U CN201821208300.9U CN201821208300U CN208946815U CN 208946815 U CN208946815 U CN 208946815U CN 201821208300 U CN201821208300 U CN 201821208300U CN 208946815 U CN208946815 U CN 208946815U
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- filter felt
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Abstract
The utility model discloses a kind of novel PTFE composite acupuncture easy-to-clean ash filter felts, the PTFE fiber layer of dust-collecting face and the polyester fiber layer of reverse side is set to including at least being set to, setting filtering steel wire between PTFE fiber layer and polyester fiber layer, the gap of PTFE fiber layer is poroid in the first taper, outwardly, osculum is towards polyester fiber layer for the big mouth of first bellmouth；The gap of polyester fiber layer is poroid in the second taper, and outwardly, osculum is mutually interspersed by needle point method towards PTFE fiber layer, PTFE fiber layer and polyester fiber layer for the big mouth of the second bellmouth, and by connection silk thread connection, PTFE fiber layer surface sprays anti-static coating.The utility model has many advantages, such as with high temperature resistant, low temperature resistant, corrosion-resistant, weatherability, high lubrication, does not adhere to.The gap of another aspect PTFE fiber layer is poroid in the first taper, and the gap of the polyester fiber layer gap effect poroid in the second taper, such gap effect is not easy dust stratification, facilitates deashing, while can guarantee filtering accuracy again.
Description
Technical field
The utility model relates to filtering material technical fields, and in particular to a kind of novel PTFE composite acupuncture easy-to-clean ash filtering
Felt.
Background technique
With the development of industrial society, people are also gradually increasing the protective awareness of environment, for each of industrial output
The processing method of kind waste liquid, exhaust gas and solid waste residue is also in continuous optimization, and recently, PM2.5's causes
Everybody concern, the various exhaust gas being mostly derived from life or production improve empty to reduce the content of PM2.5 in air
Makings amount needs to handle various exhaust gas, especially industrial waste gas.
Currently, to the method that the processing of industrial waste gas is mainly filtered using Nomex, and existing Nomex is generally general
Logical layered composite structure, it is higher in the flue-gas temperature of the industries such as steel, metallurgy, electric power, chemical industry, pharmacy, and there are stronger acids
The corrosivity of property, the Nomex of general layer shape structure be difficult to meet its high temperature, peracid, high corrosion particulate matter to the calcination of filter bag and
Destruction of the corrosive gas to filtrate, while it being easy dust stratification, deashing is difficult, and reduced service life, making enterprise, the production cost increases,
It is also easy to cause the production accidents such as fire.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of innovative structure, filtering accuracy is high, and void former is good, is not easy
Card ash, the novel PTFE composite acupuncture easy-to-clean ash filter felt of easy-to-clean ash.
In order to solve the above-mentioned technical problem, the utility model provides a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt,
The PTFE fiber layer of dust-collecting face and the polyester fiber layer of reverse side, PTFE fiber layer and polyester fiber are set to including at least being set to
Setting filtering steel wire between layer, the gap of PTFE fiber layer is poroid in the first taper, the big mouth of the first bellmouth outwardly, osculum court
To polyester fiber layer；The gap of polyester fiber layer is poroid in the second taper, and outwardly, osculum is fine towards PTFE for the big mouth of the second bellmouth
Tie up layer.
Further, PTFE fiber layer and polyester fiber layer are mutually interspersed by needle point method, and pass through connection silk thread connection.
Further, PTFE fiber layer surface sprays anti-static coating.
Further, chitosan coat is set outside anti-static coating.
Further, PTFE fiber layer interts needle by PTFE fiber monomer and pierces, and PTFE fiber monomer by locating in advance
Reason is set as curved arc shape or U-shaped.
Further, acidproof, corrosion-resistant preparation is sprayed on PTFE fiber monomer.
Further, filter felt makes fiber surface form protective layer by dipping four fluorine emulsion of high solids content.
Further, the thickness of anti-static coating is no more than 0.5mm.
Further, chitosan coat with a thickness of 0.1~0.5mm.
Compared with prior art, the utility model has the beneficial effects that: using PTFE fiber layer as dust-collecting face, have
High temperature resistant-is using operating temperature up to 250 DEG C；It is low temperature resistant-there is good mechanical tenacity；- 196 DEG C are dropped temperature to,
It can also keep 5% elongation；Corrosion-resistant-to most of chemicals, solvent, particle, it is strong to show inertia, ability strong acid
Alkali, water and various organic solvents and dust particles；Weatherability-has an optimal aging life-span in plastics: height lubricates-and it is solid material
Coefficient of friction the lowest in material；The advantages of not adhering to-being the smallest surface tension in solid material, do not adhere to any substance.Again
Best polyester fiber layer is compound with high-intensitive, heat resistance and thermal insulation, forms high-intensitive, high lubricity, the needle thorn of easy-to-clean ash
The best fit of felt, while setting filtering steel wire between PTFE fiber layer and polyester fiber layer, are on the one hand improved as skeleton
On the other hand the intensity of filter felt depends on layer as PTFE fiber layer and polyester fiber layer needle thorn, high intensity makes needling density
And angle diversity, it is poroid in the first taper to form the gap of PTFE fiber layer, the big mouth of the first bellmouth outwardly, osculum court
To polyester fiber layer；The gap of polyester fiber layer is poroid in the second taper, and outwardly, osculum is fine towards PTFE for the big mouth of the second bellmouth
The gap effect of layer is tieed up, such gap effect is not easy dust stratification, facilitates deashing, while can guarantee filtering accuracy again.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of novel PTFE composite acupuncture easy-to-clean ash filter felt in embodiment；
Wherein, 1-PTFE fibrous layer, 2- polyester fiber layer, 3- filtering steel wire, 4- connection silk thread, 5- anti-static coating,
6- chitosan coat.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
As shown in Figure 1, a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt of the utility model, including at least being set to
The PTFE fiber layer 1 of dust-collecting face and the polyester fiber layer 2 for being set to reverse side, are arranged between PTFE fiber layer 2 and polyester fiber layer 2
It is mutually interspersed by needle point method to filter steel wire 3, PTFE fiber layer 1 and polyester fiber layer 2, and is connected by connection silk thread 4, mentions
High bonding strength, saves complicated procedures of forming.PTFE fiber layer 1 interts needle by PTFE fiber monomer and pierces, PTFE fiber monomer
It is set as curved arc shape or U-shaped by pretreatment, when piercing process into needle, it is easier to which gap moulding reduces sharp dead angle
It is formed, increases the roundness degree in gap.Acidproof, corrosion-resistant preparation is sprayed on PTFE fiber monomer, and PTFE fiber monomer is formed entirely
The protective film in orientation further enhances the tolerance of Nomex, improves service life and extend use scope.Filter felt passes through leaching
Four fluorine emulsion of stain high solids content makes fiber surface form protective layer, the ash-removal effect of filter felt and its aperture structure and fiber table
Face chemical structure is related.The utility model is subtracted by selecting four fluorine emulsion of high solids content to carry out impregnation to PTFE Nomex
Small filtrate aperture, improves the filtering accuracy of filtrate.It, can be in a relatively short period of time in filter bag table in the case where filter bag actually uses operating condition
Face forms surface filtration layer, and fine particle contained by filter bag internal layer is reduced, therefore the ash-removal effect of filter bag can be improved.PTFE fiber
The gap of layer 1 is poroid in the first taper, and outwardly, osculum is towards polyester fiber layer 2 for the big mouth of the first bellmouth；Polyester fiber layer 2
Gap is poroid in the second taper, and outwardly, osculum is not easy to accumulate the big mouth of the second bellmouth towards PTFE fiber layer 1, such gap effect
Ash facilitates deashing.1 surface of PTFE fiber layer sprays anti-static coating 5, anti-static coating 5 with a thickness of 0.2mm, formation is prevented quiet
Electric protection film reduces electrostatic agglomeration effect.Chitosan coat 6 is set outside anti-static coating, chitosan coat 6 with a thickness of
0.3mm forms lubricating protective film, has the effect of water suction, dry, lubrication, further that filtering the dry and comfortable of dust is kept not roll into a ball
It is poly-, so that filter felt is not easy dust stratification, while facilitating deashing.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt, which is characterized in that including at least the PTFE for being set to dust-collecting face
Fibrous layer and the polyester fiber layer for being set to reverse side, setting filtering steel wire between the PTFE fiber layer and the polyester fiber layer
Net, the gap of the PTFE fiber layer is poroid in the first taper, and outwardly, osculum is towards the terylene for the big mouth of the first bellmouth
Fibrous layer；The gap of the polyester fiber layer is poroid in the second taper, and outwardly, osculum is described in for the big mouth of the second bellmouth
PTFE fiber layer.
2. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt according to claim 1, which is characterized in that the PTFE
Fibrous layer and the polyester fiber layer are mutually interspersed by needle point method, and pass through connection silk thread connection.
3. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt according to claim 1, which is characterized in that the PTFE
Fiber layer surface sprays anti-static coating.
4. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt according to claim 3, which is characterized in that it is described prevent it is quiet
Chitosan coat is set outside electrocoat.
5. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt according to claim 1, which is characterized in that the PTFE
Fibrous layer interts needle by PTFE fiber monomer and pierces, and the PTFE fiber monomer is set as curved arc shape or U by pretreatment
Type.
6. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt according to claim 5, which is characterized in that the PTFE
Acidproof, corrosion-resistant preparation is sprayed on fiber monomer.
7. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt according to claim 1, which is characterized in that the filtering
Felt makes fiber surface form protective layer by dipping four fluorine emulsion of high solids content.
8. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt according to claim 3, which is characterized in that it is described prevent it is quiet
The thickness of electrocoat is no more than 0.5mm.
9. a kind of novel PTFE composite acupuncture easy-to-clean ash filter felt according to claim 4, which is characterized in that the shell is poly-
Sugared coating with a thickness of 0.1~0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208300.9U CN208946815U (en) | 2018-07-28 | 2018-07-28 | A kind of novel PTFE composite acupuncture easy-to-clean ash filter felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208300.9U CN208946815U (en) | 2018-07-28 | 2018-07-28 | A kind of novel PTFE composite acupuncture easy-to-clean ash filter felt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208946815U true CN208946815U (en) | 2019-06-07 |
Family
ID=66732694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821208300.9U Active CN208946815U (en) | 2018-07-28 | 2018-07-28 | A kind of novel PTFE composite acupuncture easy-to-clean ash filter felt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208946815U (en) |
-
2018
- 2018-07-28 CN CN201821208300.9U patent/CN208946815U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel PTFE composite needled filter felt capable of easily removing ash Effective date of registration: 20200521 Granted publication date: 20190607 Pledgee: Taizhou Branch of Hengfeng Bank Co., Ltd Pledgor: ZHEJIANG HEADING ENVIRONMENT TECHNOLOGY Co.,Ltd. Registration number: Y2020330000245 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210702 Granted publication date: 20190607 Pledgee: Taizhou Branch of Hengfeng Bank Co.,Ltd. Pledgor: ZHEJIANG HEADING ENVIRONMENT TECHNOLOGY Co.,Ltd. Registration number: Y2020330000245 |