CN104195716A - Belt type filtering cloth for belt type vacuum filtering machine - Google Patents
Belt type filtering cloth for belt type vacuum filtering machine Download PDFInfo
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- CN104195716A CN104195716A CN201410438858.6A CN201410438858A CN104195716A CN 104195716 A CN104195716 A CN 104195716A CN 201410438858 A CN201410438858 A CN 201410438858A CN 104195716 A CN104195716 A CN 104195716A
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- filter cloth
- monofilament
- belt
- lower floor
- upper strata
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Abstract
The invention relates to a filtering cloth, in particular to a belt type filtering cloth for a wide belt type vacuum filtering machine. The filtering cloth comprises an upper layer and a lower layer. The upper layer is woven by upper layer monofilament warp yarn with the diameter of 0.3 mm and upper layer monofilament weft yarn with the diameter of 0.3 mm. The lower layer is woven by lower layer monofilament warp yarn with the diameter of 0.5 mm and lower layer monofilament weft yarn with the diameter of 0.5 mm. When the product is used for at least 30 days in a poor environment (high temperature, strong acid, strong base and crystallization easiness), blocking, breaking and shrinking are avoided.
Description
Technical field
The present invention relates to a kind of filter cloth, especially a kind of belt-type filter cloth that is applicable to wide cut vacuum band-type filter machine.
Background technology
The filter cloth of now conventional wide cut vacuum band-type filter machine, in the quick Separation of Solid and Liquid of aluminium oxide workshop section, use, soluble in strong alkali solution, filter cloth easily shrinks in solution, raw material is easily crystallization formation obstruction in filter cloth, make filter cloth hardening cause fractureing, make equal less than of filter cloth life-span 10 days.The quick separation of produced line of middle aluminium Company Shanxi Branch experiment once used tens kinds of filter cloths to test, last 5 years and tested tens kinds of filter cloths, but because working environment is severe especially, or cannot overcome above difficulty, become that those skilled in the art are badly in need of solving but unsolved technical barrier still always.
Summary of the invention
The present invention is directed to deficiency of the prior art, the filter cloth that provide a kind of long service life, corrosion-resistant, easy cleaning, anti-contraction, does not give a discount.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals, be applied to a belt-type filter cloth for wide cut belt vacuum filter, comprise two-layerly up and down, the upper strata monofilament weft yarns that the upper strata monofilament warp thread that upper strata is is 0.3mm by diameter and diameter are 0.3mm is worked out; Lower floor's monofilament weft yarns that lower floor's monofilament warp thread that lower floor is is 0.5mm by diameter and diameter are 0.5mm is worked out.
Preferably, it is that 5/1 warp-wise is that 7/1 herringbone is oblique that described upper strata forms broadwise, and it is that 8/1 warp-wise is that 11/1 herringbone is oblique that described lower floor forms broadwise.
Preferably, described upper strata monofilament weft yarns is polypropylene, and upper strata monofilament warp thread is polyamide, and lower floor's monofilament weft yarns is polypropylene, and lower floor's monofilament warp thread is polytetrafluoroethylene (PTFE).
Preferably, the density of described filter cloth warp thread is 140 pieces/inch.
Preferably, the density of described filter cloth weft yarn is 60 pieces/inch.
Preferably, described filter cloth adopts the technique of gaiting to be prepared from conjunction with this figure of line.
Preferably, described filter cloth upper strata adopts 45-46 root polypropylene upper layer weft yarns and 112-116 root polypropylene top line repeated overlapping to work out.
Preferably, described filter cloth lower floor's employing 14-15 root polyamide lower floor's weft yarn and 24-28 root polytetrafluoroethylene (PTFE) lower layer warp yarns repeated overlapping are worked out.
Further, described filter cloth is applied to belt vacuum filter.
Compared with prior art, lower floor's monofilament weft yarns is polytetrafluoroethylene PTFE, and its intensity is high, and wear-resisting acid and alkali-resistance is high temperature resistant, does not shrink; Lower floor's monofilament warp thread is poly-the third ethene PP, resistance to highly basic, and intensity is high, and easily sizing is difficult for giving a discount; Upper strata monofilament weft yarns is polypropylene PP; Upper strata monofilament warp thread is polyamide PA, and high temperature-resistant acid-resistant is alkaline-resisting, smooth surface.Because levels material used is acid and alkali-resistance, so more corrosion-resistant at the quick centrifugal station of aluminium oxide; And the present invention's silk thread used is monofilament lines, monofilament lines is owing to being single single line with respect to two-wire, and liquid charging stock can permeate down in the gap between monofilament lines gradually, can not stop up, and cleaning up is more prone to; Lower floor's monofilament weft yarns is that polytetrafluoroethylene PTFE does not shrink, and lower floor's monofilament warp thread, for poly-the third ethene PP easily shapes, is difficult for giving a discount, and these characteristics have determined that product of the present invention can anti-ly shrink, do not give a discount, and reach 30 days service life.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention.
1-lower floor monofilament weft yarns; 2-upper strata monofilament weft yarns; 3-lower floor monofilament warp thread; 4-upper strata monofilament warp thread
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further explained.
Embodiment 1:
A kind of belt-type filter cloth that is applied to wide cut belt vacuum filter described in the embodiment of the present invention, cross section of the present invention as shown in Figure 1, described filter cloth comprises two-layer up and down, and the upper strata monofilament weft yarns 2 that the upper strata monofilament warp thread 4 that upper strata is is 0.3mm by diameter and diameter are 0.3mm is worked out; Lower floor's monofilament weft yarns 1 that lower floor's monofilament warp thread 3 that lower floor is is 0.5mm by diameter and diameter are 0.5mm is worked out.
Due to levels all use be monofilament, do not have multifilament or multifibres group into a line, reduced spot and stayed the possibility on filter cloth, reduced discounting, cleaning up is more convenient.
Embodiment 2:
Be applied to a belt-type filter cloth for wide cut belt vacuum filter, described filter cloth comprises two-layer up and down, and the upper strata monofilament weft yarns 2 that the upper strata monofilament warp thread 4 that upper strata is is 0.3mm by diameter and diameter are 0.3mm is worked out; Lower floor's monofilament weft yarns 1 that lower floor's monofilament warp thread 3 that lower floor is is 0.5mm by diameter and diameter are 0.5mm is worked out, and the density on wherein said filter cloth upper strata is 140 pieces/inch, and the density of described filter cloth lower floor is 60 pieces/inch.
Described filter cloth upper strata adopts 45 root polypropylene upper layer weft yarns and 112 root polypropylene top lines, forms broadwise and be 5/1 warp-wise and be 7/1 herringbone oblique;
Described filter cloth lower floor adopts 15Gen polyamide lower floor's weft yarn and 28 polytetrafluoroethylene (PTFE) lower layer warp yarns, forms broadwise and be 8/1 warp-wise and be 11/1 herringbone oblique.
Embodiment 3:
Substantially the same manner as Example 2, different: described filter cloth upper strata adopts 46 root polypropylene upper layer weft yarns and 116 root polypropylene top lines, form broadwise and be 5/1 warp-wise and be 7/1 herringbone oblique;
Described filter cloth lower floor adopts 14Gen polyamide lower floor's weft yarn and 24 polytetrafluoroethylene (PTFE) lower layer warp yarns, forms broadwise and be 8/1 warp-wise and be 11/1 herringbone oblique.
Lower floor's monofilament weft yarns is polytetrafluoroethylene PTFE, and its intensity is high, and wear-resisting acid and alkali-resistance is high temperature resistant, does not shrink; Lower floor's monofilament warp thread is poly-the third ethene PP, resistance to highly basic, and intensity is high, and easily sizing is difficult for giving a discount; Upper strata monofilament weft yarns is polypropylene PP; Upper strata monofilament warp thread is polyamide PA, and high temperature-resistant acid-resistant is alkaline-resisting, smooth surface.Because levels material used is acid and alkali-resistance, so more corrosion-resistant at the quick centrifugal station of aluminium oxide; Lower floor's monofilament weft yarns is that polytetrafluoroethylene PTFE does not shrink, and lower floor's monofilament warp thread, for poly-the third ethene PP easily shapes, is difficult for giving a discount, and these characteristics have determined that product of the present invention can anti-ly shrink, do not give a discount, and reach 30 days service life.
Only as described above, be only preferred embodiment of the present invention, such as professional who are familiar with this art.After understanding technological means of the present invention, natural energy, according to actual needs, is changed under instruction of the present invention.Therefore all equal variation and modifications of doing according to the present patent application the scope of the claims, all should still remain within the scope of the patent.
Claims (9)
1. be applied to a belt-type filter cloth for belt vacuum filter, it is characterized in that comprising two-layer up and down, the upper strata monofilament weft yarns that the upper strata monofilament warp thread that upper strata is is 0.3mm by diameter and diameter are 0.3mm is worked out; Lower floor's monofilament weft yarns that lower floor's monofilament warp thread that lower floor is is 0.5mm by diameter and diameter are 0.5mm is worked out.
2. belt-type filter cloth as claimed in claim 1, is characterized in that, it is that 5/1 warp-wise is that 7/1 herringbone is oblique that described upper strata forms broadwise, and it is that 8/1 warp-wise is that 11/1 herringbone is oblique that described lower floor forms broadwise.
3. belt-type filter cloth as claimed in claim 2, it is characterized in that, described upper strata monofilament weft yarns and monofilament warp thread are polypropylene, and lower floor's monofilament weft yarns is selected from any one in polyamide, polytetrafluoroethylene (PTFE), and lower floor's monofilament warp thread is selected from any one in polyamide, polytetrafluoroethylene (PTFE).
4. belt-type filter cloth as claimed in claim 3, is characterized in that, described filter cloth adopts the technique of gaiting to be prepared from conjunction with this figure of line.
5. belt-type filter cloth as claimed in claim 3, is characterized in that, the density of described filter cloth warp thread is 140 pieces/inch.
6. belt-type filter cloth as claimed in claim 3, is characterized in that, the density of described filter cloth weft yarn is 60 pieces/inch.
7. belt-type filter cloth as claimed in claim 3, is characterized in that, described filter cloth upper strata adopts 45-46 root polypropylene upper layer weft yarns and 112-116 root polypropylene top line repeated overlapping to work out.
8. belt-type filter cloth as claimed in claim 3, is characterized in that, described filter cloth lower floor's employing 14-15 root polyamide lower floor's weft yarn and 24-28 root polytetrafluoroethylene (PTFE) lower layer warp yarns repeated overlapping are worked out.
9. belt-type filter cloth as claimed in claim 3, is characterized in that, described filter cloth is applied to belt vacuum filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438858.6A CN104195716B (en) | 2014-08-29 | 2014-08-29 | A kind of belt-type filter cloth that is applied to belt vacuum filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438858.6A CN104195716B (en) | 2014-08-29 | 2014-08-29 | A kind of belt-type filter cloth that is applied to belt vacuum filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104195716A true CN104195716A (en) | 2014-12-10 |
| CN104195716B CN104195716B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410438858.6A Active CN104195716B (en) | 2014-08-29 | 2014-08-29 | A kind of belt-type filter cloth that is applied to belt vacuum filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596819A (en) * | 2017-11-07 | 2018-01-19 | 无锡风正科技有限公司 | HEPA filters are with exempting from discounting tree lace formula filter structure and its manufacture method |
| CN111514655A (en) * | 2020-04-23 | 2020-08-11 | 浙江锐捷滤材科技有限公司 | Production process of efficient corrosion-resistant filter material |
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| JPS61174916A (en) * | 1985-01-28 | 1986-08-06 | Toray Ind Inc | Filter cloth for solid/liquid separation |
| EP0325167A1 (en) * | 1988-01-15 | 1989-07-26 | Hermann Wangner GmbH & Co. KG | Double-layer screen for the forming section of a paper machine |
| DE19526458A1 (en) * | 1995-07-20 | 1997-01-23 | Kufferath Geb Gkd | Filter cloth for filter presses |
| CN101269285A (en) * | 2008-05-15 | 2008-09-24 | 于志华 | Monofilament double-layer filtering cloth |
| CN201470225U (en) * | 2009-07-22 | 2010-05-19 | 浙江省天台县工业用布厂 | Pressure-resistant filter cloth with double-layer structure |
| CN201482321U (en) * | 2009-07-22 | 2010-05-26 | 浙江省天台县工业用布厂 | Dual-layer filter cloth |
| CN101810963A (en) * | 2009-11-27 | 2010-08-25 | 新乡市金利达化纤厂 | Filter cloth for band filter |
| CN201768439U (en) * | 2010-09-03 | 2011-03-23 | 浙江三星特种纺织有限公司 | Double-layer polyamide single yarn filter cloth |
| CN203750299U (en) * | 2014-03-31 | 2014-08-06 | 台州华燕网业有限公司 | Double-layer belt monofilament filter cloth |
| CN204023096U (en) * | 2014-08-29 | 2014-12-17 | 海安县君权滤布有限公司 | A kind of belt-type filter cloth being applied to belt vacuum filter |
-
2014
- 2014-08-29 CN CN201410438858.6A patent/CN104195716B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61174916A (en) * | 1985-01-28 | 1986-08-06 | Toray Ind Inc | Filter cloth for solid/liquid separation |
| EP0325167A1 (en) * | 1988-01-15 | 1989-07-26 | Hermann Wangner GmbH & Co. KG | Double-layer screen for the forming section of a paper machine |
| DE19526458A1 (en) * | 1995-07-20 | 1997-01-23 | Kufferath Geb Gkd | Filter cloth for filter presses |
| CN101269285A (en) * | 2008-05-15 | 2008-09-24 | 于志华 | Monofilament double-layer filtering cloth |
| CN201470225U (en) * | 2009-07-22 | 2010-05-19 | 浙江省天台县工业用布厂 | Pressure-resistant filter cloth with double-layer structure |
| CN201482321U (en) * | 2009-07-22 | 2010-05-26 | 浙江省天台县工业用布厂 | Dual-layer filter cloth |
| CN101810963A (en) * | 2009-11-27 | 2010-08-25 | 新乡市金利达化纤厂 | Filter cloth for band filter |
| CN201768439U (en) * | 2010-09-03 | 2011-03-23 | 浙江三星特种纺织有限公司 | Double-layer polyamide single yarn filter cloth |
| CN203750299U (en) * | 2014-03-31 | 2014-08-06 | 台州华燕网业有限公司 | Double-layer belt monofilament filter cloth |
| CN204023096U (en) * | 2014-08-29 | 2014-12-17 | 海安县君权滤布有限公司 | A kind of belt-type filter cloth being applied to belt vacuum filter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596819A (en) * | 2017-11-07 | 2018-01-19 | 无锡风正科技有限公司 | HEPA filters are with exempting from discounting tree lace formula filter structure and its manufacture method |
| CN107596819B (en) * | 2017-11-07 | 2023-09-12 | 无锡风正科技有限公司 | Folding-free glue line type filter screen structure for HEPA filter and manufacturing method thereof |
| CN111514655A (en) * | 2020-04-23 | 2020-08-11 | 浙江锐捷滤材科技有限公司 | Production process of efficient corrosion-resistant filter material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104195716B (en) | 2016-05-04 |
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