CN1298970A - Technology for producing precisely woven filament filter cloth - Google Patents
Technology for producing precisely woven filament filter cloth Download PDFInfo
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- CN1298970A CN1298970A CN 99112597 CN99112597A CN1298970A CN 1298970 A CN1298970 A CN 1298970A CN 99112597 CN99112597 CN 99112597 CN 99112597 A CN99112597 A CN 99112597A CN 1298970 A CN1298970 A CN 1298970A
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- woven
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- woven cloth
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Abstract
The machine-made filtering cloth woven by using chemical monofilament is produced in skip draft weaving of the chemical monofilament coated with the assistant on the warp beam. The woven cloth is set at the temperature of its softening point. After the calendering of one surface, the final cloth product is finished. The filtering cloth made through the above process can be widely used for the filtering equipment.
Description
The present invention relates to the improvement of woven filter cloth production method, specifically a kind of technology for producing precisely woven filament filter cloth.
Used filter medium has multifilament woven filter cloth, nonwoven fabric and micropore ceramics, metal filter screen etc. several in filter plant at present, the still woven filter cloth that consumption is maximum, but in use, there is following shortcoming in the multifilament woven filter cloth: 1. because the multifilament woven filter cloth adopts is compound cotton thread and polyester thread, so this kind filter cloth hole is little, blind hole is many, filtration resistance is big; 2. because this filter cloth aperture is inhomogeneous, cause the filtrate poor filtration effect; 3. because the multifilament aperture mostly is curved greatly, cause filter opening easily to stop up, influence the service life of filter cloth; 4. because this kind filter cloth is rough, unload the cake difficulty, influence filter production efficiency; 5. because the easy slippage of compound graticule causes varying aperture, influence the stability of filtering.
The object of the present invention is to provide a kind of technology for producing precisely woven filament filter cloth, make the filter cloth of producing have following performance: the aperture is little, and is evenly distributed, no blind hole; The aperture is difficult for stopping up for horn-like; Smooth surface, it is easy to unload cake; Knit not slide displacement of silk, filter the stability height.
The present invention is achieved in that this technology for producing precisely woven filament filter cloth is at first putting fiber in order on axle under certain tension force, simultaneously in the arrangement process, auxiliary agent evenly is coated in fiber surface by the auxiliary agent groove, utilize loom that fiber is woven into woven cloth according to five piece of three fabric construction that flies again, selected fiber is the chemical fibre monfil, with tension controller control tension force is 3N, batch warping, and pass the auxiliary agent groove, auxiliary agent is coated on the surface, put in order on axle, through close be 50-70 root/cm, filling density is 18-25 root/cm, utilize loom that the chemical fibre monfil is flown after structure is woven into woven cloth according to five piece three, to the typing of woven cloth structure with to the aperture typing, typing back reusable heat pressure rolling method is carried out the single face calender process to woven cloth under its softening point temperature.To the fabric construction typing with to the aperture typing is to carry out in woven cloth is passed Softening box, and softening temperature is controlled in the 117-240 ℃ of scope, and the speed that woven cloth is passed is 3-5m/ second, so that the aperture is evenly indeformable; The single face calender process of woven cloth is stereotyped woven cloth to be rolled by single hot pressing roll-in carry out, the temperature of single hot pressing roller is controlled in the 125-250 ℃ of scope, pressure is 0.5-0.7mpa, woven cloth is 3-5m/ second by the speed of single hot pressing roller, so that the woven cloth smooth surface, the woven cloth after the pressure rolling is the precisely woven filament filter cloth qualified products of producing.
Advantage of the present invention is: compare filter cloth porosity height, stable and uniform with the multifilament woven filter cloth; Smooth surface, the discharge rate height; The aperture typing is unshift, has improved filter effect.
Embodiment 1
The warping of selecting materials: choosing diameter is the polypropylene filament fiber of 0.2mm, is 3N with the Tension Control of monfil tension controller, batch warping, and monfil passes the auxiliary agent groove, and auxiliary agent is coated on the surface, puts in order on axle.Monfil being utilized loom to fly structure according to five piece three weaves again, through close 60/cm, 20/cm of filling density, the woven cloth that braiding is good is passed typing in the Softening box, and softening temperature is 120 ℃, the speed of passing Softening box is 4m/ second, stereotyped woven cloth is carried out the single face calendering by single hot pressing roll, and the calendering temperature is 130 ℃, and pressure is 0.6mpa, the speed of passing single hot pressing roll is 4m/ second, curls then to be packaged as the qualified finished product of precisely woven filament filter cloth of production.
Embodiment 2
The warping of selecting materials: choosing diameter is the nylon monofilament fiber of 0.2mm, is 3N with the Tension Control of monfil tension controller, batch warping, and monfil passes the auxiliary agent groove, and auxiliary agent is coated on the surface, puts in order on axle.Monfil being utilized loom to fly structure according to five piece three weaves again, close 50/the cm in footpath, 18/cm of filling density, the woven cloth that braiding is good is passed typing in the Softening box, and softening temperature is 250 ℃, the speed of passing Softening box is 5m/ second, stereotyped woven cloth is carried out the single face calendering by single hot pressing roll, and the calendering temperature is 250 ℃, and pressure is 0.5mpa, the speed of passing single hot pressing roll is 5m/ second, curls then to be packaged as the qualified finished product of precisely woven filament filter cloth of production.
Embodiment 3
The warping of selecting materials: choosing diameter is the polypropylene filament fiber of 0.2mm, is 3N with the Tension Control of monfil tension controller, batch warping, and monfil passes the auxiliary agent groove, and auxiliary agent is coated on the surface, puts in order on axle.Monfil being utilized loom to fly structure according to five piece three weaves again, close 70/the cm in footpath, 25/cm of filling density, the woven cloth that braiding is good is passed typing in the Softening box, and softening temperature is 117 ℃, the speed of passing Softening box is 3m/ second, stereotyped woven cloth is carried out the single face calendering by single hot pressing roll, and the calendering temperature is 125 ℃, and pressure is 0.7mpa, the speed of passing single hot pressing roll is 3m/ second, curls then to be packaged as the qualified finished product of precisely woven filament filter cloth of production.
Claims (3)
1, a kind of technology for producing precisely woven filament filter cloth, at first fiber is put in order on axle under certain tension force, simultaneously in the warping process, auxiliary agent evenly is coated in fiber surface by the auxiliary agent groove, utilize loom that fiber is woven into woven cloth according to five piece of three fabric construction that flies again, it is characterized in that selected fiber is the chemical fibre monfil, through close be 50-70 root/cm, filling density is 18-25 root/cm, finalize the design to the typing of woven cloth structure with to the aperture under its softening point temperature after being made into woven cloth, typing back reusable heat pressure rolling method is carried out the single face calender process to woven cloth.
2, technology for producing precisely woven filament filter cloth according to claim 1, it is characterized in that fabric construction typing and aperture typing are to carry out in woven cloth is passed Softening box, softening temperature is controlled in the 117-240 ℃ of scope, and the speed that woven cloth is passed is 3-5m/ second.
3, technology for producing precisely woven filament filter cloth according to claim 1, it is characterized in that the single face calender process is stereotyped woven cloth to be rolled by single hot pressing roll-in carry out, the temperature of single hot pressing roller is controlled in the 125-250 ℃ of scope, pressure is 0.5-0.7mpa, and woven cloth is 3-5m/ second by the speed of single hot pressing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99112597 CN1298970A (en) | 1999-12-07 | 1999-12-07 | Technology for producing precisely woven filament filter cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99112597 CN1298970A (en) | 1999-12-07 | 1999-12-07 | Technology for producing precisely woven filament filter cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1298970A true CN1298970A (en) | 2001-06-13 |
Family
ID=5275885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99112597 Pending CN1298970A (en) | 1999-12-07 | 1999-12-07 | Technology for producing precisely woven filament filter cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1298970A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269285B (en) * | 2008-05-15 | 2010-10-13 | 于志华 | Monofilament double-layer filtering cloth |
| CN105220257A (en) * | 2015-09-14 | 2016-01-06 | 厦门厦迪亚斯环保过滤技术有限公司 | Brilliant and the modification monofilament of high-wearing feature of resistive connection and the preparation method of industrial filter screen |
-
1999
- 1999-12-07 CN CN 99112597 patent/CN1298970A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269285B (en) * | 2008-05-15 | 2010-10-13 | 于志华 | Monofilament double-layer filtering cloth |
| CN105220257A (en) * | 2015-09-14 | 2016-01-06 | 厦门厦迪亚斯环保过滤技术有限公司 | Brilliant and the modification monofilament of high-wearing feature of resistive connection and the preparation method of industrial filter screen |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |