CN211641233U - Acid and alkali resistant polypropylene double-layer twill woven filter cloth - Google Patents
Acid and alkali resistant polypropylene double-layer twill woven filter cloth Download PDFInfo
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- CN211641233U CN211641233U CN202020021388.4U CN202020021388U CN211641233U CN 211641233 U CN211641233 U CN 211641233U CN 202020021388 U CN202020021388 U CN 202020021388U CN 211641233 U CN211641233 U CN 211641233U
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- Prior art keywords
- filter cloth
- acid
- twill
- layer
- alkali resistant
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- 239000003513 alkali Substances 0.000 title claims abstract description 63
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 47
- -1 polypropylene Polymers 0.000 title claims abstract description 47
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 47
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 238000009941 weaving Methods 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 57
- 238000005260 corrosion Methods 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 7
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- 238000004519 manufacturing process Methods 0.000 claims description 4
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- 230000000694 effects Effects 0.000 abstract description 8
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- 238000013461 design Methods 0.000 description 4
- 238000009998 heat setting Methods 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
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- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 230000035699 permeability Effects 0.000 description 2
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- Filtering Materials (AREA)
- Woven Fabrics (AREA)
Abstract
The utility model provides an acid and alkali-resistance polypropylene double-deck twill machine weaving filter cloth, including first filter cloth, the bottom of first filter cloth is connected with the inoxidizing coating, and the bottom of inoxidizing coating is connected with first acid and alkali-resistant layer, the bottom on first acid and alkali-resistant layer is connected with the anticorrosion layer, and the bottom on anticorrosion layer is connected with the second filter cloth, and the bottom of second filter cloth is connected with second acid and alkali-resistant layer. The utility model discloses in, first filter cloth through setting up all adopts the twill with the second filter cloth to add the mode of weaving of twill, the organizational structure combines together for 2/2 right twill and 2/2 left twill, warp and weft are with two under the two interweaves and form, the twill opposite direction on tow sides, make this twill organizational strength high, be difficult for blockking up, it is long to have big and great longitude and latitude float of flow, and the gap between the fibre plays the filter action equally, the filter effect of this acid and alkali-resistant polypropylene fibre double-deck twill woven filter cloth has been improved, and the twill is organized also better the stability of size of having guaranteed.
Description
Technical Field
The utility model relates to a machine weaves filter cloth technical field, especially relates to acid and alkali-resistance polypropylene fibre double-deck twill machine weaves filter cloth.
Background
And a filter cloth, a filter medium woven by natural fibers or synthetic fibers. Common materials are cotton, hemp, wool, cocoon filaments, asbestos fibers, glass fibers, certain synthetic fibers and the like. Such as cotton woven canvas, twill, and wool woven cloth.
The existing filter cloth is single in weaving mode, so that the woven filter cloth is low in strength and easy to block, large warp and weft floating length is avoided, and gaps among fibers are too small, so that the filtering effect is not obvious.
Therefore, it is necessary to provide an acid and alkali resistant polypropylene double layer twill woven filter cloth to solve the above technical problems.
Disclosure of Invention
The utility model provides an acid and alkali-resistance polypropylene fibre double-deck twill machine weaves filter cloth has solved current machine and has woven the filter cloth, weaves the problem that the tissue intensity is low, easy jam.
In order to solve the technical problem, the utility model provides a double-deck twill of acid and alkali-resistant polypropylene fibre machine weaves filter cloth, including first filter cloth, the bottom of first filter cloth is connected with the inoxidizing coating, and the bottom of inoxidizing coating is connected with first acid and alkali resistant layer, the bottom on first acid and alkali resistant layer is connected with the anticorrosion coating, and the bottom on anticorrosion coating is connected with the second filter cloth, and the bottom of second filter cloth is connected with second acid and alkali resistant layer.
Preferably, the first filter cloth and the second filter cloth are woven in a twill and twill mode, the weave structure is formed by combining 2/2 right twill and 2/2 left twill, the warp and the weft are interwoven in two upper and two lower modes, and the twill directions of the front face and the back face are opposite.
Preferably, the first filter cloth and the second filter cloth both adopt polypropylene monofilament fibers as raw materials for manufacturing the filter cloth, and the thickness of the first filter cloth and the thickness of the second filter cloth are as follows: 0.95mm, and the weight per unit area of the first filter cloth and the weight per unit area of the second filter cloth are 495 g/square meter.
Preferably, the first acid-base resistant layer and the second acid-base resistant layer are both made of Jutecell pure single yarns and pure polyester fine branch folded yarns which are alternately arranged according to the arrangement sequence of 1:1, and the titer of the Jutecell pure single yarns is less than 2.2 dtex.
Preferably, the bottom of the first filter cloth is in gluing connection with the top of the protective layer, the bottom of the protective layer is in hot-press connection with the top of the first acid-base resistant layer, the bottom of the first acid-base resistant layer is in hot-press connection with the top of the anti-corrosion layer, the bottom of the anti-corrosion layer is in hot-press connection with the top of the second filter cloth, and the bottom of the second filter cloth is in gluing connection with the top of the second acid-base resistant layer.
Preferably, the thickness of the first filter cloth is the same as that of the second filter cloth, the thickness of the first filter cloth is the same as that of the first acid and alkali resistant layer, and the thickness of the first acid and alkali resistant layer is half of that of the second acid and alkali resistant layer.
Compared with the prior art, the utility model provides an acid and alkali-resistance polypropylene fibre double-deck twill machine weaves filter cloth has following beneficial effect:
the utility model provides an acid and alkali-resistant polypropylene fiber double-deck twill machine weaves filter cloth, first filter cloth through the setting all adopts the twill to add the mode of weaving of twill with the second filter cloth, the organizational structure is 2/2 right twill and 2/2 left twill and combines together, warp and weft are with two interweaving formation under the upper and lower two, the twill opposite direction on two sides, make this twill tissue intensity high, be difficult for blockking up, it is big and great longitude and latitude float length to have the flow, and the gap between the fibre plays the filter effect equally, this acid and alkali-resistant polypropylene fiber double-deck twill machine weaves filter cloth's filter effect has been improved, and the also better assurance of twill tissue the stability of size, first filter cloth through the setting all adopts polypropylene fiber monofilament as the preparation raw and other materials of filter cloth with the second filter cloth, the thickness of its first filter cloth: 0.95mm, and the unit area weight of first filter cloth and the unit area weight of second filter cloth are 495 g/square meter, utilize the good material of polypropylene fibre, chemical properties, and have good acid and alkali resistance, and polypropylene fibre surface is smooth straight, the filter cake is peeled off easily, the life of filter cake has been prolonged, use cost is reduced, first filter cloth and second filter cloth through setting up all adopt high tension, the technology of warping length is properly reduced to little cone angle, the filter cloth is woven the back and is handled through the heat setting, and after through the repetition test, adopt the design temperature to be 180 degrees centigrade, the design time is 15 seconds, the heat setting shrinkage factor is 10%, make accord with this acid and alkali resistance polypropylene fibre bilayer machine weaving filter cloth's research and development demand.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the acid and alkali resistant polypropylene double-layer twill woven filter cloth provided by the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
fig. 3 is a schematic structural view of the first filter cloth shown in fig. 1.
Reference numbers in the figures: 1. a first filter cloth; 2. a protective layer; 3. an acid and alkali resistant layer; 4. an anti-corrosion layer; 5. a second filter cloth; 6. and a second acid-base resistant layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the acid and alkali resistant polypropylene double-layer twill woven filter cloth according to the present invention; FIG. 2 is a schematic view of a part of the structure of the present invention; fig. 3 is a schematic structural view of the first filter cloth shown in fig. 1. The double-deck twill of acid and alkali-resistant polypropylene fibre machine weaves the filter cloth, the bottom of first filter cloth 1 is connected with inoxidizing coating 2, and the bottom of inoxidizing coating 2 is connected with first acid and alkali-resistant layer 3, the bottom of first acid and alkali-resistant layer 3 is connected with anti-corrosion coating 4, and anti-corrosion coating 4's bottom is connected with second filter cloth 5, the bottom of second filter cloth 5 is connected with second acid and alkali-resistant layer 6, this double-deck twill of acid and alkali-resistant polypropylene fibre machine weaves the filter cloth through the setting is formed by the preparation of above multilayer cloth, the whole fastness of this double-deck twill of acid and alkali-resistant polypropylene fibre machine weave.
The first filter cloth 1 and the second filter cloth 5 both adopt polypropylene monofilament fiber as a raw material for manufacturing the filter cloth, and the thickness of the first filter cloth 1 and the thickness of the second filter cloth 5 are as follows: 0.95mm, the weight per unit area of the first filter cloth 1 and the weight per unit area of the second filter cloth 5 are 495 g/square meter, and the acid and alkali resistance of the acid and alkali resistant polypropylene double-layer twill woven filter cloth is effectively improved by utilizing the good material and chemical properties of polypropylene fibers and the good acid and alkali resistance.
The first acid-base resistant layer 3 and the second acid-base resistant layer 6 are both made of Jutecell pure spun single yarns and pure polyester fine branch folded yarns which are alternately arranged according to the arrangement sequence of 1:1, the titer of the Jutecell pure spun single yarns is less than 2.2dtex, and the acid-base resistance of the acid-base resistant polypropylene double-layer twill woven filter cloth is further improved by utilizing the good air permeability of the Masel fibers and the good crease resistance and acid-base resistance of the polyester fibers.
The bottom of first filter cloth 1 is connected for the veneer with the top of inoxidizing coating 2, and the bottom of inoxidizing coating 2 is hot pressing with the top of first acid-base resistant layer 3, the bottom of first acid-base resistant layer 3 is hot pressing with the top of anti-corrosion coating 4, and the bottom of anti-corrosion coating 4 is hot pressing with the top of second filter cloth 5, the bottom of second filter cloth 5 is connected for the veneer with the top of second acid-base resistant layer 6, be made by hot pressing with the technology of veneer connection through the multilayer cloth that sets up more than, reduce customer's production time, improve work efficiency.
The thickness of first filter cloth 1 is the same with the thickness of second filter cloth 5, and the thickness of first filter cloth 1 is the same with the thickness of first acid and alkali resistant layer 3, and the thickness of first acid and alkali resistant layer 3 is half of the 6 thickness of second acid and alkali resistant layer, and the thickness through the first filter cloth 1 that sets up is the same with the thickness of second filter cloth 5, and the holistic acid and alkali resistance of this acid and alkali resistant polypropylene fibre double-deck twill woven filter cloth of effectual improvement, and the gap between the fibre has certain filtering action.
The utility model provides an acid and alkali-resistance polypropylene fibre double-deck twill machine weaves filter cloth's theory of operation as follows:
Compared with the prior art, the utility model provides an acid and alkali-resistance polypropylene fibre double-deck twill machine weaves filter cloth has following beneficial effect:
1. the utility model discloses in, first filter cloth 1 through setting up all adopts the twill with the weaving mode of twill with second filter cloth 5, the organizational structure is 2/2 right twill and 2/2 left twill to combine together, warp and weft are with two upper and lower interweaving formation, the twill opposite direction of tow sides, make this twill organizational strength high, be difficult for blockking up, it is big and great longitude and latitude float length to have the flow, and the gap between the fibre plays the filter effect equally, the filter effect of this acid and alkali-resistant polypropylene fibre double-deck twill woven filter cloth has been improved, and the twill is organized also better the stability of size of having guaranteed.
2. The utility model discloses in, all adopt polypropylene fibre monofilament as the preparation raw and other materials of filter cloth through the first filter cloth 1 that sets up and second filter cloth 5, its first filter cloth 1's thickness is with the thickness of second filter cloth 5: 0.95mm, the unit area weight of the first filter cloth 1 and the unit area weight of the second filter cloth 5 are 495 g/square meter, the good material and chemical properties of the polypropylene fiber are utilized, the polypropylene fiber has good acid and alkali resistance, the surface of the polypropylene fiber is smooth and straight, the filter cake is easy to peel off, the service life of the filter cake is prolonged, and the use cost is reduced.
3. The utility model discloses in, all adopt the technology that large tension, awl angle suitably reduced warping length through the first filter cloth 1 that sets up and second filter cloth 5, the filter cloth is woven into the back and is handled through heat setting, and through the repetition test back, adopts the design temperature to be 180 degrees centigrade, and the design time is 15 seconds, and the heat setting shrinkage factor is 10% for accord with this acid and alkali-resistant polypropylene fibre double-deck twill and weave the research and development demand of filter cloth.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. Acid and alkali-resistant polypropylene double-layer twill woven filter cloth comprises a first filter cloth (1) and is characterized in that: the bottom of first filter cloth (1) is connected with inoxidizing coating (2), and the bottom of inoxidizing coating (2) is connected with first acid and alkali resistant layer (3), the bottom of first acid and alkali resistant layer (3) is connected with anti-corrosion coating (4), and the bottom of anti-corrosion coating (4) is connected with second filter cloth (5), and the bottom of second filter cloth (5) is connected with second acid and alkali resistant layer (6).
2. The acid and alkali resistant polypropylene double-layer twill woven filter cloth according to claim 1, wherein the first filter cloth (1) and the second filter cloth (5) are woven in a twill and twill weaving mode, the weave structure is a combination of 2/2 right twill and 2/2 left twill, warp and weft are formed by interweaving two upper twill and two lower twill, and the twill directions of the front side and the back side are opposite.
3. The acid and alkali resistant polypropylene double-layer twill woven filter cloth according to claim 1, wherein the first filter cloth (1) and the second filter cloth (5) both adopt polypropylene monofilament fibers as raw materials for manufacturing the filter cloth, and the thickness of the first filter cloth (1) and the thickness of the second filter cloth (5) are as follows: 0.95mm, and the weight per unit area of the first filter cloth (1) and the weight per unit area of the second filter cloth (5) are 495 g/square meter.
4. The acid and alkali resistant polypropylene double-layer twill woven filter cloth according to claim 1, wherein the first acid and alkali resistant layer (3) and the second acid and alkali resistant layer (6) are both made of Jutecell single pure yarn and pure polyester fine branch folded yarn which are alternately arranged according to a 1:1 arrangement sequence, and the fineness of the Jutecell single pure yarn is less than 2.2 dtex.
5. The acid and alkali resistant polypropylene double-layer twill woven filter cloth according to claim 1, wherein the bottom end of the first filter cloth (1) is in glued joint with the top end of the protective layer (2), the bottom end of the protective layer (2) is in hot-pressed joint with the top end of the first acid and alkali resistant layer (3), the bottom end of the first acid and alkali resistant layer (3) is in hot-pressed joint with the top end of the anti-corrosion layer (4), the bottom end of the anti-corrosion layer (4) is in hot-pressed joint with the top end of the second filter cloth (5), and the bottom end of the second filter cloth (5) is in glued joint with the top end of the second acid and alkali resistant layer (6).
6. The acid and alkali resistant polypropylene double-layer twill woven filter cloth according to claim 1, wherein the thickness of the first filter cloth (1) is the same as that of the second filter cloth (5), the thickness of the first filter cloth (1) is the same as that of the first acid and alkali resistant layer (3), and the thickness of the first acid and alkali resistant layer (3) is half of that of the second acid and alkali resistant layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021388.4U CN211641233U (en) | 2020-01-07 | 2020-01-07 | Acid and alkali resistant polypropylene double-layer twill woven filter cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021388.4U CN211641233U (en) | 2020-01-07 | 2020-01-07 | Acid and alkali resistant polypropylene double-layer twill woven filter cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211641233U true CN211641233U (en) | 2020-10-09 |
Family
ID=72703680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020021388.4U Expired - Fee Related CN211641233U (en) | 2020-01-07 | 2020-01-07 | Acid and alkali resistant polypropylene double-layer twill woven filter cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211641233U (en) |
-
2020
- 2020-01-07 CN CN202020021388.4U patent/CN211641233U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20201009 |