CN214286841U - Long filament warp and staple fiber twisted weft double-sided twill filter cloth and corresponding pigment filter press - Google Patents
Long filament warp and staple fiber twisted weft double-sided twill filter cloth and corresponding pigment filter press Download PDFInfo
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- CN214286841U CN214286841U CN202120000190.2U CN202120000190U CN214286841U CN 214286841 U CN214286841 U CN 214286841U CN 202120000190 U CN202120000190 U CN 202120000190U CN 214286841 U CN214286841 U CN 214286841U
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Abstract
The utility model discloses two-sided twill filter cloth of long filament warp short fiber plying weft and corresponding pigment pressure filter, the innovation scheme main points are: (1) optimizing the variety of filter cloth yarns: the warp is 500D (110T/S) polypropylene filament multifilament, and the warp density is 360 threads/10 cm; the weft is 6 counts/2 (270T/S) polypropylene short fiber plied yarns, and the weft density is 110 threads/10 cm; (2) innovating a filter cloth organizational structure: adopting 3/1+1/3 double-sided twill weaving mode, namely the warp and weft single-cycle arrangement mode is as follows: the warp is positioned on the upper layer three wefts of the weft, and the warp is positioned on the lower layer one weft of the weft; the surface is smooth, and the air permeability is 9-12L/m2between/S; thereby improving the trapping performance and the filtering effect of the filter cloth; the pigment filter press uses the sameThe filter cloth meets the requirement of titanium dioxide pigment precise filtration, and reduces loss and improves efficiency.
Description
Technical Field
The utility model belongs to the technical field of pressure filter (patent classification number B01D 25/12), a two-sided twill filter cloth of pigment is strained to essence is related to.
Background
The filter press is a pressurized filtering device with multiple filtering chambers operated intermittently, and mainly comprises a double-beam frame, a hydraulic pressing mechanism, a filtering mechanism, a plate pulling mechanism, a cloth washing mechanism, a liquid receiving and plate turning mechanism and a PLC program control system; a filter chamber of the filter mechanism is formed by concave parts (cavity parts) of adjacent filter plates clamping the filter cloth; is suitable for solid-liquid separation of various suspensions (mixture of liquid and solid particles).
The industrial filter cloth is not only a filter medium, but also a sealing gasket of an adjacent filter plate, is a core element of a filter press, and is woven by warp (a line parallel to a cloth edge) and weft (a line vertical to the cloth edge); the knitting method (weave structure) includes: plain weave, twill weave, satin weave, non-woven needle-punched molding; the varieties of warp and weft are: monofilament (one filament) and multifilament (one filament woven from a plurality of fibers), the multifilament being selected from long-fiber multifilament, short-fiber multifilament, and plied yarn (a plied yarn twisted from two or more single yarns); the warp and weft are mostly made of synthetic fiber polypropylene, terylene, chinlon and the like; the filter cloth has different tissue structures, yarn varieties and materials, so that the performance is different, and the filter cloth is suitable for solid-liquid separation of different suspensions through intermediate tests. The performance of the filter cloth (including trapping, penetration, regeneration, physical and chemical properties and mechanical properties) determines the precision and filtration rate of solid-liquid separation, and also directly affects the production capacity and power consumption of the filtration equipment.
The existing short fiber multifilament twill filter cloth has the following defects: 1. short-fiber multifilament, short fiber has poor mechanical property, is easy to break and influences the service life; 2. the short fiber multifilament filter cloth has fluffy cloth cover, poor reproducibility and no possibility of cake removal, and the production efficiency is influenced; 3. the short fiber multifilament twill filter cloth has large porosity and poor trapping performance, influences the filtering effect and cannot meet the requirement of titanium dioxide pigment precise filtering.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the existing short fiber multifilament twill filter cloth, solve the technical problems of poor mechanical performance of short fiber, poor fluffy reproducibility of cloth cover and poor trapping performance with large pores, and provide a long filament warp short fiber plied weft double-sided twill filter cloth and a corresponding pigment filter press; filament warp-refers to long fiber multifilament warp.
The utility model provides an innovation technical scheme that prior art problem adopted is: a long-filament warp short-fiber plied weft double-sided twill filter cloth (hereinafter referred to as long-warp short-weft double-sided twill filter cloth); the main points of the overall technical scheme are as follows: compared with the prior art, the innovative overall structure has the prominent substantive characteristics that: 1. the variety of the filter cloth yarns is optimized, the existing short fiber multifilament warps and wefts are optimized into long fiber multifilament warps and short fiber plied wefts, the mechanical property and the service life of the filter cloth are improved, and the regeneration performance and the filtering efficiency of the filter cloth are improved; 2. the weave structure (weaving mode) of the filter cloth is innovated, the existing single-sided twill is improved into a double-sided twill weave structure, the radial density of the filter cloth is increased, the porosity is reduced, and the trapping performance and the filtering effect of the filter cloth are improved; therefore, the technical problems of poor short mechanical property, poor fluffy regeneration of cloth cover and poor trapping performance due to large pores of the short fiber multifilament twill filter cloth fiber are comprehensively solved.
The specific design scheme is as follows: the long-warp short-weft double-sided twill filter cloth is formed by interweaving warp yarns and weft yarns; the warp yarns are 500D polypropylene filament multifilament with the twist of 110T/S, and the warp density is 360 yarns/10 cm; the weft is 6 counts/2 polypropylene short fiber plied yarns with twist of 270T/S, and the weft density is 110 threads/10 cm; the organization structure of the filter cloth is as follows: adopting 3/1+1/3 double-sided twill weaving mode, namely the warp and weft single-cycle arrangement mode is as follows: the warp is positioned on the upper layer three wefts of the weft, and the warp is positioned on the lower layer one weft of the weft; two warps penetrate through a heddle eye, and four adjacent warps are respectively front and back side tissue inner yarns, so that the two sides of the filter cloth are provided with oblique lines; the polypropylene fiber material is adopted, so that the filter cloth has good permeability and regeneration performance, and the cloth surface is smooth. The long-warp short-weft double-sided twill filter cloth has good trapping, permeation, regeneration, physical and chemical properties and mechanical properties, and has the air permeability of 9-12L/m2And the content of the titanium dioxide is/S, so that the requirement of precise filtration of the titanium dioxide pigment is met.
The utility model also provides a pigment filter press, which uses the double-sided twill filter cloth of the long filament warp short fiber plied weft; the filter press mainly comprises a double-beam frame, a hydraulic pressing mechanism, a precise filtering mechanism (comprising filter cloth), a plate pulling mechanism, a cloth washing mechanism, a liquid receiving and plate turning mechanism, a PLC program control system and the like; the filter plates are arranged on a cross beam of the filter press and are pressed tightly by a pressing mechanism, and the concave parts of the adjacent filter plates clamping the filter cloth form a filter chamber of the precise filtering mechanism.
The utility model provides a long filament warp staple fiber plied weft double-sided twill filter cloth and a corresponding pigment filter press, which has the obvious progress that the long warp staple fiber plied weft double-sided twill filter cloth has good trapping, penetration, regeneration, physical and chemical properties and mechanical properties and is durable in use; the beneficial effects are that: 1. the long fiber multifilament warp and the short fiber twisted weft improve the mechanical property and the service life of the filter cloth, and improve the regeneration property and the filtration efficiency of the filter cloth; 2. the double-sided twill weave structure increases the radial density of the filter cloth, reduces the porosity and improves the trapping performance and the filtering effect of the filter cloth; 3. the pigment filter press meets the requirement of precise filtration of titanium dioxide pigment, and reduces loss and improves efficiency.
Drawings
Figure 1 is the figure of the double-sided twill filter cloth line pattern of the long filament warp staple fiber plied weft of the utility model.
Fig. 2 is the utility model discloses the two-sided twill filter cloth line texture schematic diagram of long filament warp staple fiber plying weft.
Reference numerals: 1- -the weft, 2- -the warp, 11- -the warp on top, 12- -the warp on the bottom.
Detailed Description
The technical solution in the embodiment of the present invention will be described below with reference to the attached drawings in the embodiment of the double-sided twill filter cloth and the corresponding pigment filter press for filament warp and staple fiber plied weft threads of the present invention, and the described embodiment is only a preferred embodiment, not a complete embodiment, of the present invention. Based on the embodiment of the present invention, all other embodiments without creativity made by the skilled in the art, such as the double-sided twill filter cloth with the same weaving mode and the similar yarn variety, all belong to the protection scope of the present invention.
Example 1
A long filament warp short fiber plied weft double-sided twill filter cloth (short for long warp short weft double-sided twill filter cloth) is formed by interweaving warp yarns and weft yarns; the main points of the overall implementation scheme of the innovation are as follows: 1. the variety of the filter cloth yarns is optimized, the existing short fiber multifilament warps and wefts are optimized into long fiber multifilament warps and short fiber plied wefts, the mechanical property and the service life of the filter cloth are improved, and the regeneration performance and the filtering efficiency of the filter cloth are improved; 2. the novel filter cloth weave structure (weaving mode) improves the existing single-sided twill into a double-sided twill weave structure, increases the radial density of the filter cloth, reduces the porosity, and improves the trapping performance and the filtering effect of the filter cloth. Specific embodiments are described in detail below:
the warp 2 is 500D polypropylene filament multifilament with 110T/S twist, and the warp density is 360 per 10 cm; the multifilament is a filament formed by a plurality of fibers, has strong trapping capacity and is suitable for filtering small-particle materials; the long fiber multifilament has good mechanical property, can bear higher tensile force, and has long service life.
The weft 1 is a polypropylene staple fiber plied yarn (a plied yarn formed by twisting two or more single yarns) with 6 counts/2 and a twist of 270T/S, and the weft density is 110 counts/10 cm; the short fiber has good compactness, high filtering precision, strong and wear-resistant folded yarn, firmness and durability, and the short fiber folded yarn improves the trapping and mechanical properties of the filter cloth.
The polypropylene fiber material is polypropylene multifilament and film yarn, and has light weight (0.91 g/cm)3) The composite material has good permeability and regeneration performance, good physical and chemical properties, wear resistance and corrosion resistance, and strong mechanical properties (short fibers are 4-6 g/denier, and long fibers are 5-8 g/denier); the polypropylene filter cloth is suitable for high-efficiency fine filtration of chemical pigment suspension.
The organization structure of the filter cloth is as follows: adopt 3/1+1/3 two-sided twill weave mode, i.e. warp and weft 1, 2 single cycle arrangement mode is: the warp 2 is positioned at the upper three picks of the weft 1 (the warp is on the upper surface 11), and the warp 2 is positioned at the lower one pick of the weft 1 (the warp is on the lower surface 12); two warps 2 penetrate through a heddle eye, and four adjacent warps 2 are respectively front and back side tissue inner yarnsSo that the two sides of the filter cloth have oblique lines; increase the radial density of the filter cloth, reduce the porosity and have the air permeability of 9-12L/m2And the trapping performance is improved and the filtering effect is ensured between the/S.
The weaving equipment used was: the Jingjin environmental protection stockcompany is the biggest filter cloth weaving business in the world at present, uses the heavy rapier weaving machine of denier P1, can change the variety fast, and superstrong beating-up force makes the fabric compactness high, and is easy and simple to handle, and production efficiency is high. The developed long-warp short-weft double-sided twill filter cloth is smooth in surface and compact in cloth quality after being subjected to high-temperature setting and pricking.
The filament warp staple fiber plied weft double-sided twill filter cloth provided by the utility model has good trapping, penetration, regeneration, physical and chemical properties and mechanical properties through repeated experiments in the titanium dioxide pigment industry, and is durable in use; the technical problems of poor short mechanical property, poor fluffy regeneration of cloth cover and poor trapping performance due to large pores of the short fiber multifilament twill filter cloth fiber are comprehensively solved; the service life of the filter cloth is prolonged, and the filtering effect and the production efficiency are improved.
Example 2
A pigment filter press uses the long-filament warp short-fiber plied weft double-sided twill filter cloth (short for long-warp short-weft double-sided twill filter cloth); the filter press is an automatic filter press which is integrated mechanically, electrically and hydraulically and intelligently controlled by a PLC (programmable logic controller); the device mainly comprises a double-beam frame, a hydraulic pressing mechanism, a precise filtering mechanism (comprising filter cloth), a plate pulling mechanism, a cloth washing mechanism, a liquid receiving and plate turning mechanism, a PLC program control system and the like; is suitable for the high-efficiency fine solid-liquid separation of titanium dioxide suspension in the pigment industry. The utility model discloses technical part common with prior art according to the current standard of china' van-type pressure filter and plate and frame pressure filter part 1: type and basic parameters section 2: technical Condition section 3: filter plate (JB/T4333-2013).
The precise filtering mechanism is a core part of a filter press and mainly comprises a head and tail anti-corrosion plate, a filter plate, long-warp short-weft double-sided twill filter cloth, a cloth clamping distributor, a hole end sealing ring, a filter plate supporting handle and other parts. The long-warp short-weft double-sided twill filter cloth is a key element of a filter mechanism, and is a filter medium and a sealing element of a sealing surface of a frame of an adjacent filter plate. Assembling the filter cloth and related parts: the filter plate comprises a filter plate, a cloth clamping distributor, a filter plate handle, a pressing mechanism, a hole end sealing ring, a filter plate, a filter cloth clamping distributor, a filter plate handle, a filter press cross beam, a long-warp short-weft double-sided twill filter cloth, a long-weft short-weft double-sided twill filter cloth, a long-warp short-weft double-sided twill filter cloth, a long-weft double-sided twill filter cloth, a long-weft double-sided twill filter cloth, a long-weft long-warp short-weft long-sided twill filter cloth and a long-weft short-weft long-sided twill filter cloth, and a fine filter cloth, wherein the long-weft long-warp short-weft long-sided twill filter cloth is arranged in the filter cloth and the long-weft double-sided twill filter cloth.
The low-pressure static filtering process of the pigment filter press comprises the following steps: the material is pressurized by a feeding pump and is shunted to a filter chamber (between two pieces of filter cloth) through a feeding main channel to carry out low-pressure static filtration, the filter cloth intercepts particles in the material to form a filter cake in the filter chamber, filtrate passes through the filter cloth and flows out from a liquid outlet main channel of the filter chamber (between the filter plate and the filter cloth), and the filter plate is pulled open to realize gravity cake discharge. The single complete operation cycle working process of the filter press comprises the following steps: compacting a filter plate, feeding and filtering, turning a plate to receive liquid, washing and purifying, back blowing materials, blow-drying and purifying, pulling the plate and discharging cakes, and cleaning filter cloth; through a PLC control system, single operation cycle is automatically completed by one key; the intermittent reciprocating circulation work realizes the solid-liquid separation of batch fine materials (titanium dioxide suspension).
The utility model discloses pigment pressure filter, through experimental repeatedly, beneficial effect is: through the combination innovation of the filter cloth, the strength and the service life of the filter cloth are improved, the regeneration performance of the filter cloth and the production efficiency of a filter press are improved, the trapping performance and the filtering effect of the filter cloth are improved, the requirement of titanium dioxide pigment precise filtering is met, and the loss and the efficiency are reduced.
Claims (2)
1. A double-sided twill filter cloth with filament warp and staple fiber plied weft comprises warp and weft; the method is characterized in that: the warp yarns are 500D polypropylene filament multifilament with the twist of 110T/S, and the warp density is 360 yarns/10 cm; the weft is 6 counts/2 polypropylene short fiber plied yarns with twist of 270T/S, and the weft density is 110 threads/10 cm; the organization structure of the filter cloth is as follows:adopting 3/1+1/3 double-sided twill weaving mode, namely the warp and weft single-cycle arrangement mode is as follows: the warp is positioned on the upper layer three wefts of the weft, and the warp is positioned on the lower layer one weft of the weft; two warps penetrate through a heddle eye, every two adjacent warps are respectively front and back side tissue inner yarns, and the two sides of the filter cloth are provided with oblique lines; the cloth surface is smooth, and the air permeability is 9L/m2/S -12L/m2and/S.
2. A pigment filter press comprises a double-beam frame, a hydraulic pressing mechanism, a precise filtering mechanism, a plate pulling mechanism, a cloth washing mechanism, a liquid receiving and turning mechanism and a PLC program control system; the concave parts of adjacent filter plates clamping the filter cloth form a filter chamber of the precise filter mechanism; the method is characterized in that: the double-sided twill filter cloth comprising the filament warp and staple fiber plied weft yarns of claim 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120000190.2U CN214286841U (en) | 2021-01-01 | 2021-01-01 | Long filament warp and staple fiber twisted weft double-sided twill filter cloth and corresponding pigment filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120000190.2U CN214286841U (en) | 2021-01-01 | 2021-01-01 | Long filament warp and staple fiber twisted weft double-sided twill filter cloth and corresponding pigment filter press |
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| Publication Number | Publication Date |
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| CN214286841U true CN214286841U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120000190.2U Active CN214286841U (en) | 2021-01-01 | 2021-01-01 | Long filament warp and staple fiber twisted weft double-sided twill filter cloth and corresponding pigment filter press |
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| CN (1) | CN214286841U (en) |
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2021
- 2021-01-01 CN CN202120000190.2U patent/CN214286841U/en active Active
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Address after: 253000 shoujingjin group, Jinghua Road North, Dezhou Economic Development Zone, Shandong Province Patentee after: Jingjin Equipment Co.,Ltd. Address before: 253000 shoujingjin group, Jinghua Road North, Dezhou Economic Development Zone, Shandong Province Patentee before: Jing Jin Environmental Protection Inc. |
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| CP01 | Change in the name or title of a patent holder |