CN104195716B - A kind of belt-type filter cloth that is applied to belt vacuum filter - Google Patents
A kind of belt-type filter cloth that is applied to belt vacuum filter Download PDFInfo
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- CN104195716B CN104195716B CN201410438858.6A CN201410438858A CN104195716B CN 104195716 B CN104195716 B CN 104195716B CN 201410438858 A CN201410438858 A CN 201410438858A CN 104195716 B CN104195716 B CN 104195716B
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Abstract
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. Described filter cloth comprises two-layer up and down, and 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. This product (high temperature, strong acid, highly basic, easily crystallization) in the situation that environment for use is severe especially uses and does not stop up above, does not give a discount, do not shrink for 30 days.
Description
Technical field
The present invention relates to a kind of filter cloth, especially a kind of belt that is applicable to wide cut vacuum band-type filter machineFilter cloth.
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 sectionUpper use, soluble in strong alkali solution, filter cloth easily shrinks in solution, and raw material is in filter clothEasily crystallization forms and stops up, and makes filter cloth hardening cause fractureing, and makes 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, and lasted 5Year has been tested tens kinds of filter cloths, but because working environment is severe especially, still 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, a kind of long service life, corrosion-resistant, Yi Qing are providedWash, anti-contraction, the filter cloth that do not give a discount.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals, a kind of applicationIn the belt-type filter cloth of wide cut belt vacuum filter, comprise two-layerly up and down, upper strata is to be 0.3mm by diameterUpper strata monofilament warp thread and diameter be 0.3mm upper strata monofilament weft yarns is worked out; Lower floor by diameter isLower floor's monofilament warp thread of 0.5mm and lower floor's monofilament weft yarns that diameter is 0.5mm are worked out.
Preferably, it is that 5/1 warp-wise is that 7/1 herringbone is oblique that described upper strata forms broadwise, and described lower floor forms broadwiseBe that 8/1 warp-wise is that 11/1 herringbone is oblique.
Preferably, described upper strata monofilament weft yarns is polypropylene, and upper strata monofilament warp thread is polyamide, and lower floor is singleSilk weft yarn 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 polypropyleneTop line repeated overlapping is worked out.
Preferably, described filter cloth lower floor's employing 14-15 root polyamide lower floor's weft yarn and 24-28 root polytetrafluoroethyl-neAlkene lower layer warp yarns repeated overlapping is 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, wear-resisting resistance toSoda acid 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, Yi DingType, is difficult for giving a discount; Upper strata monofilament weft yarns is polypropylene PP; Upper strata monofilament warp thread is polyamide PA, resistance to heightTemperature acid-fast alkali-proof, smooth surface. Because levels material used is acid and alkali-resistance, so in oxidationThe quick centrifugal station of aluminium is more corrosion-resistant; And the present invention's silk thread used is monofilament lines, monofilament lines with respect toTwo-wire is owing to being single single line, and liquid charging stock can ooze in the gap between monofilament lines graduallyThoroughly go down, can not stop up, cleaning up is more prone to; Lower floor's monofilament weft yarns is polytetrafluoroethylene PTFEDo not shrink, 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 thisThe product of invention can anti-ly shrink, not give a discount, and reaches 30 days service life.
Brief description of the drawings
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
Detailed description of the invention
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, asCross section of the present invention shown in Fig. 1, described filter cloth comprises two-layer up and down, upper strata is to be by diameterThe upper strata monofilament warp thread 4 of 0.3mm and the upper strata monofilament weft yarns 2 that diameter is 0.3mm are worked out; Lower floorThat lower floor's monofilament weft yarns 1 that the lower floor's monofilament warp thread 3 that is 0.5mm by diameter and diameter are 0.5mm is worked outForm.
Due to levels all use be monofilament, do not have multifilament or multifibres group into a line, reduced spotStay 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 upper and lower twoLayer, 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 0.3mmWork out; The lower floor that lower floor's monofilament warp thread 3 that lower floor is is 0.5mm by diameter and diameter are 0.5mm is singleSilk weft yarn 1 is worked out, and the density on wherein said filter cloth upper strata is 140 pieces/inch, under described filter clothThe density of layer is 60 pieces/inch.
Described filter cloth upper strata adopts 45 root polypropylene upper layer weft yarns and 112 root polypropylene top lines, formsBroadwise is that 5/1 warp-wise is that 7/1 herringbone is oblique;
Described filter cloth lower floor's 15 polyamide lower floor weft yarns of employing and 28 polytetrafluoroethylene (PTFE) lower layer warp yarns,Forming broadwise is that 8/1 warp-wise is that 11/1 herringbone is oblique.
Embodiment 3:
Substantially the same manner as Example 2, different: described filter cloth upper strata adopts 46 root polypropylene upper strata latitudesYarn and 116 root polypropylene top lines, forming broadwise is that 5/1 warp-wise is that 7/1 herringbone is oblique;
Described filter cloth lower floor's 14 polyamide lower floor weft yarns of employing and 24 polytetrafluoroethylene (PTFE) lower layer warp yarns,Forming broadwise is that 8/1 warp-wise is that 11/1 herringbone is 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 receiveContracting; 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; OnLayer monofilament weft yarns is polypropylene PP; Upper strata monofilament warp thread is polyamide PA, and high temperature-resistant acid-resistant is alkaline-resisting, surfaceSmooth. Because levels material used is acid and alkali-resistance, so at the quick centrifugal station of aluminium oxideCorrosion-resistant; Lower floor's monofilament weft yarns is that polytetrafluoroethylene PTFE does not shrink, and lower floor's monofilament warp thread is poly-the third ethenePP easily shapes, and is difficult for giving a discount, and these characteristics have determined that product of the present invention can anti-ly shrink, not give a discount,Reach 30 days service life.
Only as described above, be only preferred embodiment of the present invention, is such as familiar with the special of this skillIndustry personage. After understanding technological means of the present invention, natural energy is according to actual needs, in the present inventionInstruction under changed. 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 (1)
1. be applied to a belt-type filter cloth for belt vacuum filter, it is characterized in that bagDraw together two-layerly up and down, upper strata monofilament warp thread and diameter that upper strata is is 0.3mm by diameter areThe upper strata monofilament weft yarns of 0.3mm is worked out; The lower floor that lower floor is is 0.5mm by diameterMonofilament warp thread and diameter are that lower floor's monofilament weft yarns of 0.5mm is worked out;
It is that 5/1 warp-wise is that 7/1 herringbone is oblique that described upper strata forms broadwise, and described lower floor formsBroadwise is that 8/1 warp-wise is that 11/1 herringbone is oblique;
Described filter cloth is applied to belt vacuum filter;
Described filter cloth adopts the technique of gaiting to be prepared from conjunction with this figure of line;
The density of described filter cloth warp thread is 140 pieces/inch;
The density of described filter cloth weft yarn is 60 pieces/inch;
Described filter cloth upper strata adopts 45-46 root polypropylene upper layer weft yarns and 112-116 rootPolypropylene top line repeated overlapping is worked out;
Described filter cloth lower floor's employing 14-15 root polyamide lower floor's weft yarn and 24-28 root are poly-Tetrafluoroethene lower layer warp yarns repeated overlapping is worked out.
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 |
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| CN104195716A CN104195716A (en) | 2014-12-10 |
| CN104195716B true CN104195716B (en) | 2016-05-04 |
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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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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| 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 |
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2014
- 2014-08-29 CN CN201410438858.6A patent/CN104195716B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
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| CN104195716A (en) | 2014-12-10 |
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