CN209138155U - A kind of alumina filter sheet frame Nomex - Google Patents
A kind of alumina filter sheet frame Nomex Download PDFInfo
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- CN209138155U CN209138155U CN201821208338.6U CN201821208338U CN209138155U CN 209138155 U CN209138155 U CN 209138155U CN 201821208338 U CN201821208338 U CN 201821208338U CN 209138155 U CN209138155 U CN 209138155U
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Abstract
Originally practical to disclose a kind of alumina filter sheet frame Nomex, including at least base cloth layer and fiber web layer, fiber web layer includes that fiber monomer by needle point method is crossed-over into tridimensional network, fiber monomer includes at least tubbiness polypropylene fiber, steel screen layer is arranged as skeleton in base cloth layer, tubbiness polypropylene fiber outer layer impregnates PTFE film, and fiber web layer setting connection silk thread, connection silk thread is conductive filament.High-intensitive, stiffness structure is all arranged in casing play and fiber web layer in the utility model, the intensity filter and stiffness of multi-layer raising filter felt, keep filter felt fixed effect good, setting time is long, shrinkage is small, dimensionally stable, thickness is larger, gas permeability is preferable, is able to satisfy alumina producer sewage treatment plate-frame filtering and crosses use.
Description
Technical field
Originally practical to be related to filtering material technical field, and in particular to a kind of alumina filter sheet frame Nomex.
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.Currently, at China's alumina producer sewage
Managing major way is plate-frame filtering, and maximum deficiency is that filter efficiency is low, and dimensional stability is poor, is extremely difficult to state's domestic discipline and family rules
Fixed effluent-disposal standard.
Utility model content
In view of the above-mentioned problems, this practical provides that a kind of small shrinkage, dimensionally stable, thickness is larger, the preferable oxygen of gas permeability
Change aluminium filtering sheet frame Nomex.
In order to solve the above-mentioned technical problem, originally practical that a kind of alumina filter sheet frame Nomex is provided, include at least base
Layer of cloth and fiber web layer, fiber web layer include that fiber monomer by needle point method is crossed-over into tridimensional network, fiber
Monomer includes at least tubbiness polypropylene fiber, and steel screen layer is arranged as skeleton in base cloth layer, and tubbiness polypropylene fiber outer layer impregnates PTFE
Film, fiber web layer setting connection silk thread, connection silk thread is conductive filament.
Further, base cloth layer includes basalt fibre base cloth layer, and the substrate of basalt fibre base cloth layer includes basalt
Fiber monomer.
Further, basalt fibre base cloth layer also adulterates flexible steel wire and works out, basalt fibre monomer and flexibility
The mass ratio of steel wire is 1:0.1~0.6.
Further, fiber monomer further includes that PTFE fiber and/or PPS fiber and/or aramid fiber and/or terylene are fine
Dimension.
Further, fiber web layer outer layer covers function microporous barrier, and function microporous barrier includes PTFE microporous barrier and/PPS micro-
Pore membrane and/or acidproof, corrosion-resistant microporous barrier and/or antistatic microporous barrier and/or chitosan micropore membrane coat.
Further, aramid fiber includes staple fiber monomer and long fibre monomer, and is wound in three-dimensional space by needle point method
Gap structure, staple fiber monomer and long fibre monomer ratio are 1:0.2~0.8.
Further, polyester fiber includes staple fiber monomer and long fibre monomer, and is wound in three-dimensional space by needle point method
Gap structure, staple fiber monomer and long fibre monomer ratio are 1:0.2~0.8.
Compared with prior art, this practical beneficial effect is: the utility model is all set in casing play and fiber web layer
High-intensitive, stiffness structure is set, multi-layer improves the intensity filter and stiffness of filter felt, keeps filter felt fixed effect good, fixed
The type time is long, and shrinkage is small, dimensionally stable, thickness is larger, gas permeability is preferable, is able to satisfy alumina producer sewage treatment plate-frame filtering
Cross use.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in this practical embodiment, will make below to required in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only this practical some embodiment, for
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of structural schematic diagram of the filter felt of alumina filter sheet frame Nomex in embodiment；
Wherein, 1- aramid fiber layer, 2- polyester fiber layer, 3- basalt fibre base cloth layer, 4- function microporous barrier.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment practical to this is further described.Following embodiment is only
For clearly illustrating this practical technical solution, and it cannot be used as a limitation this practical protection scope of limitation.
As shown in Figure 1, a kind of alumina filter sheet frame Nomex of the utility model, includes at least base cloth layer 1 and fibre
Stratum reticulare 2 is tieed up, base cloth layer 1 includes basalt fibre base cloth layer, and the substrate of basalt fibre base cloth layer includes basalt fibre monomer,
Basalt fibre base cloth layer also adulterates flexible steel wire and works out, and the mass ratio of basalt fibre monomer and flexible steel wire is 1:
0.5.Fiber web layer 2 is crossed-over into tridimensional network by needle point method including fiber monomer, and fiber monomer passes through pre-
Processing is set as curved arc shape or U-shaped.Fiber monomer includes at least tubbiness polypropylene fiber, and tubbiness polypropylene fiber outer layer impregnates PTFE
Film, fiber monomer further include PTFE fiber and aramid fiber and polyester fiber, and steel screen layer is arranged as skeleton in fiber web layer,
The setting connection silk thread 3 of fiber web layer 2, connection silk thread is conductive filament.2 outer layer of fiber web layer covers function microporous barrier 4, and function is micro-
Pore membrane includes PTFE microporous barrier and/PPS microporous barrier and/or acidproof, corrosion-resistant microporous barrier and/or antistatic microporous barrier and/or shell
Glycan micropore membrane coat, function microporous barrier 4 with a thickness of 0.2mm.Aramid fiber includes staple fiber monomer and long fibre monomer, and
It is wound in three-dimensional gap structure by needle point method, staple fiber monomer and long fibre monomer ratio are 1:0.5, and polyester fiber includes short
Fiber monomer and long fibre monomer, and three-dimensional gap structure, staple fiber monomer and long fibre monomer ratio are wound in by needle point method
Example is 1:0.6.
China's alumina producer sewage treatment major way is plate-frame filtering, and maximum deficiency is that filter efficiency is low, and ruler
Very little stability is poor, is extremely difficult to the effluent-disposal standard of national regulation.Therefore it must take into account production when developing filtering material
Product should acid-fast alkali-proof, it is wear-resisting again.This project is directed to the product of above target research and development, has good stability of the dimension, Air permenbility
Greatly, the features such as filtering accuracy is moderate meets aluminium oxide plate-frame filtering needs, good in economic efficiency, wide market.The present embodiment
By the transformation to the existing carding machine of company, outside plus an outer cover, antistick layer is coated in cover inner surface, so that machine is being run
Flying cotton fibers are neither adhered to, will not be scattered to outside machine again in the process, substantially improve Workshop Production Management environment, so that production line
Useful efficiency greatly promotes, can in the case where speed of production is up to 200m/min working condition continuous and stable production.By in fibre
It is mixed into tubbiness polypropylene fiber and flexible steel wire in dimension monomer, the Nomex that stiffness is good, Air permenbility is big is prepared, meets aluminium oxide
Filtering is used, and by adjusting needling process technology, is impregnated PTFE film in tubbiness polypropylene fiber outer layer, is optimized depth of needling, reduce needle
Pierce speed, mitigate the contraction of thick denier polypropylene fiber and entire fiber web layer in acupuncture course, obtain dimensionally stable, thickness compared with
Greatly, the preferable Nomex of gas permeability.
The foregoing is merely the practical preferred embodiments of sheet, not to limit practical, all essences practical in sheet
Within mind and principle, any modification, equivalent replacement, improvement and so on be should be included within this practical protection scope.
Claims (7)
1. a kind of alumina filter sheet frame Nomex, which is characterized in that include at least base cloth layer and fiber web layer, the fiber
Stratum reticulare, which includes fiber monomer, is crossed-over into tridimensional network by needle point method, and the fiber monomer includes at least tubbiness
Polypropylene fiber, for the base cloth layer setting steel screen layer as skeleton, the tubbiness polypropylene fiber outer layer impregnates PTFE film, the fibre
Stratum reticulare setting connection silk thread is tieed up, the connection silk thread is conductive filament.
2. a kind of alumina filter sheet frame Nomex according to claim 1, which is characterized in that the base cloth layer includes
Basalt fibre base cloth layer, the substrate of the basalt fibre base cloth layer include basalt fibre monomer.
3. a kind of alumina filter sheet frame Nomex according to claim 2, which is characterized in that the basalt fibre
Base cloth layer also adulterates flexible steel wire and works out, and the mass ratio of the basalt fibre monomer and the flexible steel wire is 1:0.1
~0.6.
4. a kind of alumina filter sheet frame Nomex according to claim 1, which is characterized in that the fiber monomer is also
Including PTFE fiber and/or PPS fiber and/or aramid fiber and/or polyester fiber.
5. a kind of alumina filter sheet frame Nomex according to claim 1, which is characterized in that outside the fiber web layer
Layer covers function microporous barrier, and the function microporous barrier includes PTFE microporous barrier and/PPS microporous barrier and/or acidproof, corrosion-resistant micropore
Film and/or antistatic microporous barrier and/or chitosan micropore membrane coat.
6. a kind of alumina filter sheet frame Nomex according to claim 4, which is characterized in that the aramid fiber packet
Staple fiber monomer and long fibre monomer are included, and three-dimensional gap structure, the staple fiber monomer and long fibre are wound in by needle point method
Dimension monomer ratio is 1:0.2~0.8.
7. a kind of alumina filter sheet frame Nomex according to claim 4, which is characterized in that the polyester fiber packet
Staple fiber monomer and long fibre monomer are included, and three-dimensional gap structure, the staple fiber monomer and long fibre are wound in by needle point method
Dimension monomer ratio is 1:0.2~0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208338.6U CN209138155U (en) | 2018-07-28 | 2018-07-28 | A kind of alumina filter sheet frame Nomex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208338.6U CN209138155U (en) | 2018-07-28 | 2018-07-28 | A kind of alumina filter sheet frame Nomex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209138155U true CN209138155U (en) | 2019-07-23 |
Family
ID=67264205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821208338.6U Active CN209138155U (en) | 2018-07-28 | 2018-07-28 | A kind of alumina filter sheet frame Nomex |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209138155U (en) |
-
2018
- 2018-07-28 CN CN201821208338.6U patent/CN209138155U/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 |
Denomination of utility model: Plate frame needled felt for filtering aluminum oxide Effective date of registration: 20200521 Granted publication date: 20190723 Pledgee: Taizhou Branch of Hengfeng Bank Co., Ltd Pledgor: ZHEJIANG HEADING ENVIRONMENT TECHNOLOGY Co.,Ltd. Registration number: Y2020330000245 |
|
| PE01 | Entry into force 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: 20190723 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 |