CN201862324U - High temperature resistant, acid-alkali resistant, corrosion resistant and environmentally-friendly propene polymer (PP) composite mat - Google Patents
High temperature resistant, acid-alkali resistant, corrosion resistant and environmentally-friendly propene polymer (PP) composite mat Download PDFInfo
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- CN201862324U CN201862324U CN2009202799649U CN200920279964U CN201862324U CN 201862324 U CN201862324 U CN 201862324U CN 2009202799649 U CN2009202799649 U CN 2009202799649U CN 200920279964 U CN200920279964 U CN 200920279964U CN 201862324 U CN201862324 U CN 201862324U
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Abstract
The utility model discloses a high temperature resistant, acid-alkali resistant, corrosion resistant and environmentally-friendly PP (propene polymer) composite mat, comprising glass fibre, shell fibre, stainless steel fibre, ceramic fibre, polyimide fibre, polyamide fibre, long terylene fibre and short terylene fibre that are mixed at the equiponderance ratio by a needling machine to form a PP composite mat; the PP composite mat is dipped in polytetrafluoroethylene for hours to ensure one layer of polytetrafluoroethylene film to be formed on the surface of the PP composite mat; and one layer of filter cloth is additionally arranged on the bottom surface of the PP composite mat and is compounded by a sewing apparatus to form the integral high temperature resistant, acid-alkali resistant, corrosion resistant and environmentally-friendly PP composite mat. The PP composite mat has the advantages of resisting high temperature, acid, alkali, corrosion, abrasion, folding and the like, and the PP composite mat has high strength. The PP composite mat has lower thermal shrinkage rate and creep rate at different high temperatures, does not deform, has the efficacy on easily cleaning dust, preventing water and oil and the like, has high dedusting efficiency, stable performance, long service life and low maintenance cost and better solves the technical problems of the blockage and the bag pasting of a filter bag.
Description
Technical field
The utility model relates to a kind of environmental protection dedusting filter bag composite felt, the anticorrosive environmental protection PP composite felt of particularly a kind of high temperature resistant antiacid alkali.
Background technology
Environmental pollution causes that whole world national governments pay much attention to, be related to the healthy and vegeto-animal existence of human body, the Chinese government is stood energy-saving and emission-reduction into state basic policy, since the reform and opening-up, China's industry advances fast, the pollution of dust is also more and more serious, various industrial dedusting devices arise at the historic moment, in industries such as cement, iron and steel, chemical industry, waste incinerations, extensively adopt the dedusting filter bag, filter bag generally adopts the material of fabric or felt to make and forms, and still: in the use of dedusting filter bag, filter efficiency and deashing property become the contradiction that is difficult to be in harmonious proportion.Along with filter bag is long service time, dust in the filtrate can be on the increase along stream pressure, flue gas and dust contain certain humidity, temperature or oil stain, because of the filter bag high-temperature resistant result poor, the big or distortion of the contraction of main cause felt, and when exhaust gas dust or compressed air process composite felt, the dust and the impurity that have moisture content and oil stain can make the hole of composite felt progressively block, filter bag is " hardening " (being commonly called as " sticking with paste bag ") easily, increase running resistance, even stop up, cause the system handles air quantity to descend, the fan operation energy consumption increases, the working life of filter bag is shortened, even the deduster deashing is all right, can not check the resistance that operation continues rising, cause the deduster exhaust not smooth, return ash, cause secondary pollution.At first to solve this key technology of filter bag, at home in the same industry, R﹠D institution and science and technology in enterprise personnel are constantly studying, are exploring, are improving filter pocket material in the dedusting, though obtain some progress, still exist the technical barrier that does not overcome as yet in practice.
Summary of the invention
The purpose of this utility model is to overcome above deficiency, provide a kind of high temperature resistant antiacid alkali anticorrosive environmental protection PP composite felt, have characteristics such as high temperature resistant, high strength, antiacid alkali, anticorrosive, wear-resisting, anti-folding, it is lower, indeformable to pass through under the different high temperature percent thermal shrinkage and creep rate.Also have easy-to-clean ash, refuse the anti-wet goods effect of water, very high filter efficiency is not only arranged, efficiency of dust collection height, and long service life.Under the situation that does not increase operating load, can guarantee the regime flow of air-flow for a long time, to guarantee that in use efficient, stable operation are the low NEW TYPE OF COMPOSITE felts of new generation of a kind of maintenance cost.
The technical scheme that its technical problem that solves the utility model adopts is: contain glass fibre, the shell fiber, stainless steel fibre, ceramic fibre, polyimide fiber, Fypro, the terylene long fibre, polyester staple fiber, with above-mentioned fiber by acupuncture apparatus by etc. the anharmonic ratio example mix, form the PP composite felt, the PP composite felt is flooded a few hours by polytetrafluoroethylene (PTFE) again, make the surface of PP composite felt form a strata polytetrafluoroethylene film, PP composite felt bottom surface is added one deck filter cloth, carry out compoundly again with sewing device, constituted an anticorrosive environmental protection PP composite felt of complete high temperature resistant antiacid alkali.
In making PP composite felt process, select high-quality glass fibre, stainless steel fibre, ceramic fibre for use, it is cut into short silk, high temperature resistantly reaches 350 ℃ more than-420 ℃, glass fibre, stainless steel fibre, ceramic fibre are used for the PP composite felt, at high temperature percent thermal shrinkage and creep rate are lower, indeformable, superior other fibrous material of its deashing property, stainless steel fibre meets humidity and can not get rusty, high-temperature resistant result is good, and stainless steel fibre and ceramic fibre are high temperature resistant to be reached more than 550 ℃.It is grease proofing that the shell fiber can be refused water, and airing function is good, contains the filtration of the dust of oil stain and humidity by filter bag, can not stick on substantially in the filter bag, and stickup is agglomerated into little group also can get off in landing, can not influence the operate as normal of filter bag in gathering dust.Polyimide fiber contains acidproof by force, the erosion-resisting composition of chemistry and is used for the PP composite felt, as runs into the dust that contains acid and corrosion, makes the PP composite felt can effectively solve acid and the problem of corroding, and the filter bag that the PP composite felt is made has obtained prolongation service life.Fypro contains alkaline-resisting chemical analysis, has strong alkaline-resisting performance, the special composition that in the cement in cement plant, contains alkali, dust in the deduster is by the filtration of filter bag, alkalescence just sticks on the filter bag superficial layer, time, filter bag very easily hardened (being commonly called as " sticking with paste bag ") once the long alkali flower that forms, and Fypro can be eliminated the alkali flower on the filter bag effectively.Terylene long fibre and polyester staple fiber can increase the strength of connection of PP composite felt, the PP composite felt is flooded a few hours by polytetrafluoroethylene (PTFE) again, make the surface of PP composite felt form a strata polytetrafluoroethylene film, PP composite felt bottom surface is added one deck filter cloth, carry out compound with acupuncture, PP composite felt and filter cloth are connected as a single entity, the filter cloth permeability is good, has good dust catching effect, after making the gas process PP composite felt filtration of dust-laden, dust discharge amount approaches zero, makes PP composite felt percent thermal shrinkage and creep rate all reach domestic advanced person's technical merit.
The utility model beneficial effect is: this PP composite felt has advantages such as high temperature resistant, high strength, antiacid alkali, anticorrosive, wear-resisting, anti-folding, and it is lower, indeformable to pass through under the different high temperature percent thermal shrinkage and creep rate.Also have easy-to-clean ash, refuse the anti-wet goods effect of water, very high filter efficiency is arranged, the dust discharge amount after the gas process PP composite felt of dust-laden is filtered approaches zero.The efficiency of dust collection height, stable performance, resistance is little, obstruction that has solved filter bag preferably and the technical barrier of sticking with paste bag, long service life not only, maintenance cost is also lower simultaneously.This PP composite felt can be used for the sealing ring and the pad of automobile, diesel engine and mechanical field simultaneously, and its superior function is higher than the material of oil resistant rubber, in sewage disposal, good strainability is arranged all, meets the direction of national environmental protection industry development.
Description of drawings
Be in conjunction with the accompanying drawings and embodiments the utility model to be further described below:
Fig. 1 is the anticorrosive environmental protection PP composite felt of a high temperature resistant antiacid alkali front view.
Fig. 2 is the anticorrosive environmental protection PP composite felt of a high temperature resistant antiacid alkali left view.
In the drawings: 1. glass fibre, 2. shell fiber, 3. stainless steel fibre, 4. ceramic fibre, 5. polyimide fiber, 6. Fypro, 7. terylene long fibre, 8. polyester staple fiber, 9. poly-polytetrafluoroethylene film, 10. filter cloth.
The specific embodiment:
In Fig. 1, Fig. 2: contain glass fibre 1, shell fiber 2, stainless steel fibre 3, ceramic fibre 4, polyimide fiber 5, Fypro 6, terylene long fibre 7, polyester staple fiber 8, with above-mentioned fiber by acupuncture apparatus by etc. the anharmonic ratio example mix, form the PP composite felt, the PP composite felt is flooded a few hours by polytetrafluoroethylene (PTFE) again, make the surface of PP composite felt form a strata polytetrafluoroethylene film 9, PP composite felt bottom surface is added one deck filter cloth 10, carry out compoundly again with sewing device, constituted an anticorrosive environmental protection PP composite felt of complete high temperature resistant antiacid alkali.
In making PP composite felt process, select high-quality glass fibre 1, stainless steel fibre 3, ceramic fibre 4 for use, it is cut into short silk, high temperature resistantly reaches 350 ℃ more than-420 ℃, glass fibre 1, stainless steel fibre 3, ceramic fibre 4 are used for the PP composite felt, at high temperature percent thermal shrinkage and creep rate are lower, indeformable, superior other fibrous material of its deashing property, stainless steel fibre 3 meets humidity and can not get rusty, high-temperature resistant result is good, stainless steel fibre 3 and ceramic fibre 4 high temperature resistant reaching more than 550 ℃.It is grease proofing that shell fiber 2 can be refused water, and airing function is good, contains the filtration of the dust of oil stain and humidity by filter bag, can not stick on substantially in the filter bag, and stickup is agglomerated into little group also can get off in landing, can not influence the operate as normal of filter bag in gathering dust.Polyimide fiber 5 contains acidproof by force, the erosion-resisting composition of chemistry and is used for the PP composite felt, as runs into the dust that contains acid and corrosion, makes the PP composite felt can effectively solve acid and the problem of corroding, and the filter bag that the PP composite felt is made has obtained prolongation service life.Fypro 6 contains alkaline-resisting chemical analysis, has strong alkaline-resisting performance, the special composition that in the cement in cement plant, contains alkali, dust in the deduster is by the filtration of filter bag, alkalescence just sticks on the filter bag superficial layer, time, filter bag very easily hardened (being commonly called as " sticking with paste bag ") once the long alkali flower that forms, and Fypro 6 can be eliminated the alkali flower on the filter bag effectively.Terylene long fibre 7 and polyester staple fiber 8 can increase the strength of connection of PP composite felt, the PP composite felt is flooded a few hours by polytetrafluoroethylene (PTFE) again, make the surface of PP composite felt form a strata polytetrafluoroethylene film 9, PP composite felt bottom surface is added the 10 usefulness acupunctures of one deck filter cloth carries out compound, PP composite felt and filter cloth 10 are connected as a single entity, filter cloth 10 permeability are good, has good dust catching effect, after making the gas process PP composite felt filtration of dust-laden, dust discharge amount approaches zero, makes PP composite felt percent thermal shrinkage and creep rate all reach domestic advanced person's technical merit, this PP composite felt also has easy-to-clean ash, refuse the anti-wet goods effect of water, very high filter efficiency is arranged, efficiency of dust collection height, stable performance, resistance is little, obstruction that has solved filter bag preferably and the technical barrier of sticking with paste bag, long service life not only, maintenance cost is also lower simultaneously.This PP composite felt can be used for the sealing ring and the pad of automobile, diesel engine and mechanical field simultaneously, and its superior function is higher than the material of oil resistant rubber, in sewage disposal, good strainability is arranged all, meets the direction of national environmental protection industry development.
Claims (1)
1. anticorrosive environmental protection PP composite felt of high temperature resistant antiacid alkali, it is characterized in that: the PP composite felt is flooded a few hours by polytetrafluoroethylene (PTFE), make the surface of PP composite felt form a strata polytetrafluoroethylene film, PP composite felt bottom surface is added one deck filter cloth, carry out compoundly again with sewing device, constituted an anticorrosive environmental protection PP composite felt of complete high temperature resistant antiacid alkali.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202799649U CN201862324U (en) | 2009-12-01 | 2009-12-01 | High temperature resistant, acid-alkali resistant, corrosion resistant and environmentally-friendly propene polymer (PP) composite mat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202799649U CN201862324U (en) | 2009-12-01 | 2009-12-01 | High temperature resistant, acid-alkali resistant, corrosion resistant and environmentally-friendly propene polymer (PP) composite mat |
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| Publication Number | Publication Date |
|---|---|
| CN201862324U true CN201862324U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202799649U Expired - Fee Related CN201862324U (en) | 2009-12-01 | 2009-12-01 | High temperature resistant, acid-alkali resistant, corrosion resistant and environmentally-friendly propene polymer (PP) composite mat |
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| CN (1) | CN201862324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667655A (en) * | 2015-02-12 | 2015-06-03 | 江苏新业重工股份有限公司 | High-temperature-resisting bag-type dust collector bag |
-
2009
- 2009-12-01 CN CN2009202799649U patent/CN201862324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667655A (en) * | 2015-02-12 | 2015-06-03 | 江苏新业重工股份有限公司 | High-temperature-resisting bag-type dust collector bag |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20111201 |