CN213061210U - Multifilament warp membrane silk weft twill filter cloth and corresponding mineral powder filter press - Google Patents
Multifilament warp membrane silk weft twill filter cloth and corresponding mineral powder filter press Download PDFInfo
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- CN213061210U CN213061210U CN202021439613.2U CN202021439613U CN213061210U CN 213061210 U CN213061210 U CN 213061210U CN 202021439613 U CN202021439613 U CN 202021439613U CN 213061210 U CN213061210 U CN 213061210U
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Abstract
The utility model discloses a multifilament warp membrane silk weft twill filter cloth and a corresponding mineral powder filter press; this filter cloth includes multifilament warp and membrane silk weft, and the main points of innovation scheme are: the multifilament warp is 1200D (110T/S) polypropylene short fiber multifilament, and the warp density is 357 per 10 cm; the film yarn weft is 2300D (110T/S) long fiber polypropylene split film yarn, and the weft density is 82 yarns/10 cm; the weaving pattern is 3/2+2/3, namely the one circulation arrangement of the warp and weft is as follows: two weft yarns are introduced into a weaving opening to be interwoven in a changing way, the warp yarns are positioned on the upper layer three wefts of the weft yarns, the warp yarns are positioned on the lower layer two wefts of the weft yarns, and two adjacent warp yarns are respectively positive and negative weave inner yarns; solves the technical problems of poor trapping, permeation and regeneration performances of the existing mineral powder filter cloth, and the like. The mineral powder filter press uses the filter cloth, meets the requirements of modern large-scale mineral powder suspension on high quality and high efficiency filtration, and improves the filtration effect and the production efficiency.
Description
Technical Field
The utility model belongs to the technical field of the powdered ore pressure filter (patent classification number B01D 25/12), a double filament (multifilament warp membrane silk weft) twill filter cloth of compound membrane is related to.
Background
The filter press is a pressurized filtering device with multiple filtering chambers operated intermittently; a mineral powder filter press is a filter press using filter cloth suitable for mineral powder, mainly comprises a frame, a pressing mechanism, a hydrometallurgy filtering mechanism (including filter cloth), a plate pulling mechanism, a cloth washing mechanism, a hydraulic driving mechanism, a PLC program control system and the like, and is suitable for solid-liquid separation of mineral powder suspension.
An industrial filter cloth, which is a core element of a filter press and is woven by warps (lines parallel to a cloth edge) and wefts (lines perpendicular 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 (a filament), multifilament (a filament woven by a plurality of fibers), and split film (a net filament formed by stretching and splitting a film, commonly called a film filament); the multifilament is selected from the group consisting of long fiber, short fiber multifilament, and plied yarn (a yarn obtained by twisting 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 mineral powder filter cloth has the following defects: 1. and (3) yarn variety aspect: the monofilament filter cloth has poor trapping capacity, low filtering precision, poor regeneration of the multifilament filter cloth, no possibility of cake removal and low filtering speed; 2. the aspect of the weaving mode is as follows: the plain weave filter cloth has poor permeability, low air permeability, slower filtering speed, large porosity of satin weave filter cloth and low filtering precision; the requirements of modern large-scale mineral powder suspension on high quality (high filtration precision) and high efficiency (high filtration speed) filtration cannot be met simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect of current powdered ore filter cloth, solving corresponding filter cloth entrapment, infiltration, regeneration performance and not concurrently excellent technical problem, through the pilot test repeatedly, provide a multifilament warp membrane silk weft twill filter cloth and corresponding powdered ore pressure filter.
The utility model provides an innovation technical scheme that prior art problem adopted is: a multifilament warp membrane yarn weft twill filter cloth (hereinafter referred to as a double-membrane double-yarn filter cloth) is formed by weaving warp yarns and weft yarns; 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: the existing single-double-filament warp and weft is innovated into a double-film double-filament warp and weft, so that the double-film double-filament warp and weft has good trapping and regeneration performances; the existing twill weaving mode is improved to 3/2+2/3 twill weaving mode, the porosity is high, and the permeability of the filter cloth is improved; the preferable yarn varieties are as follows: the penetration of the short fiber multifilament and the long fiber membrane yarn is complementary with the advantages of mechanical properties; the polypropylene fiber material is optimized, so that the permeability and the regeneration performance are good, and the physical and chemical properties are good, wear resistance and corrosion resistance; therefore, the technical problems that the existing mineral powder filter cloth has poor trapping, permeation and regeneration performances and the like are solved.
The specific design scheme of the compound membrane double-wire filter cloth is as follows: the multifilament warp yarns and the membrane yarn weft yarns are changed and interwoven to form twill filter cloth; the multifilament warp is 1200D (110T/S) polypropylene short fiber multifilament, and the warp density is 357 per 10 cm; the film yarn weft is long fiber polypropylene split film yarn of 2300D (110T/S), and the weft density is 82 yarns/10 cm; the twill weaving mode is 3/2+2/3 weaving mode, namely a circulating arrangement mode of warps and wefts is as follows: one weaving opening is introduced with one weft yarn for variable interweaving, the warp yarns are positioned at the upper three wefts of the weft yarns, the warp yarns are positioned at the lower two wefts of the weft yarns, two adjacent warp yarns are respectively yarns in positive and negative textures, and oblique lines are arranged on the cloth surface. The compound membrane double-wire filter cloth has good trapping, permeation, regeneration, physical and chemical properties and mechanical properties, and meets the requirements of modern large-scale mineral powder suspension on high quality and high efficiency filtration.
The utility model also provides a mineral powder filter press, which uses the multifilament warp membrane silk weft twill filter cloth of the utility model; the filter press mainly comprises a frame, a pressing mechanism, a filtering mechanism (comprising filter cloth), a pulling plate mechanism, a cloth washing mechanism, a hydraulic driving mechanism, a PLC program control system and the like; the filter plates are arranged on a cross beam of the filter press, the filter plates are pressed tightly by a pressing mechanism, and the concave parts of the adjacent filter plates which clamp the double-wire filter cloth form a filter mechanism.
The utility model provides a multifilament warp membrane silk weft twill filter cloth and corresponding powdered ore pressure filter, the remarkable progress is that, compound membrane twin silk twill filter cloth has good entrapment, infiltration, regeneration, physics and chemistry, mechanical properties simultaneously; the filter cloth has the beneficial effects that the filter precision and the filter speed of the twill filter cloth are improved, the filter effect and the production efficiency of the mineral powder filter press are improved, and the requirements of modern large-scale mineral powder suspension on high quality and high efficiency filtration are met.
Drawings
Fig. 1 is the pattern pictogram of the multifilament warp film weft twill filter cloth of the utility model.
Fig. 2 is the utility model discloses multifilament warp membrane silk weft twill filter cloth line structure schematic diagram.
Reference numerals: 1- -the weft, 2- -the warp, 11- -the warp on top, 12- -the warp on the bottom.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the attached drawings of the embodiment of the multifilament warp film weft twill filter cloth and the corresponding mineral powder filter press, and the described embodiment is only a preferred embodiment of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments without creativity, such as the double-filament type of the compound film and the filter cloth with the same weaving mode and different materials, made by the technical personnel in the field all belong to the protection scope of the present invention.
Example 1
A multifilament warp membrane silk weft twill filter cloth is woven by warps 2 and wefts 1; the main points of the overall implementation scheme of the innovation are as follows: the existing single-double-filament warp and weft is innovated into a double-film double-filament warp and weft, so that the double-film double-filament warp and weft has good trapping and regeneration performances; the existing twill weaving mode is improved to 3/2+2/3 twill weaving mode, the porosity is high, and the permeability of the filter cloth is improved; the preferable yarn varieties are as follows: the penetration of the short fiber multifilament and the long fiber membrane yarn is complementary with the advantages of mechanical properties; the polypropylene fiber material is optimized, and the polypropylene fiber material has good permeation and regeneration performance, good physical and chemical properties, wear resistance and corrosion resistance. Specific embodiments are described in detail below:
the multifilament warp 2 is 1200D (110T/S) polypropylene short fiber multifilament with warp density of 357 pieces/10 cm; the short fiber multifilament is a filament consisting of a plurality of short fibers; the trapping performance is good, and the interception precision is high.
The film yarn weft 1 is a long fiber polypropylene split film yarn of 2300D (110T/S), and the weft density is 82 yarns/10 cm; the split yarn is a reticular yarn formed by firstly preparing polypropylene into a film and then stretching the film to split the film into fibrils; better infiltration and regeneration performance and stronger mechanical performance.
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 fiber is 4-6 g/denier, and long fiber is 5-8 g/denier).
The twill weaving mode is 3/2+2/3 weaving mode, namely a circulating arrangement mode of warp 2 and weft 1 is as follows: two weft yarns 1 are introduced into a weaving opening to be interwoven in a changing way, warps 2 are positioned on the upper three wefts (warps are on the upper surface 11) of the wefts 1, the warps 2 are positioned on the lower one weft (warps are on the lower surface 12) of the wefts 1, two adjacent warps 2 are respectively yarns in positive and negative textures, the yarns are sequentially arranged and woven, and the cloth surface is provided with oblique grains; the porosity is larger to improve the permeability of the filter cloth, and the air permeability is better than that of plain filter cloth.
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 compound film double-silk twill filter cloth is smooth in surface, light in weight and breathable after high-temperature setting and pricking.
The multifilament warp membrane yarn weft twill filter cloth provided by the utility model has good trapping, penetration, regeneration, physical and chemical properties and mechanical properties after repeated tests; the technical problems that the existing mineral powder filter cloth is poor in trapping, permeation and regeneration performance and the like are solved, the filtering precision and the filtering speed of the twill filter cloth are improved, and the remarkable technical effect is achieved.
Example 2
A mineral powder filter press, which uses the multifilament warp film silk weft 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 frame, a pressing mechanism, a filtering mechanism (comprising filter cloth), a pulling plate mechanism, a cloth washing mechanism, a hydraulic driving mechanism, a PLC program control system and the like; the method is suitable for solid-liquid separation of modern large-scale mineral powder suspension. 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 filtering mechanism is a core part of the filter press and mainly comprises a head-tail anti-corrosion plate, a filter plate, a film-coated double-silk twill filter cloth, a cloth-clamping distributor, a hole-end sealing ring, a filter plate supporting handle and other parts. The compound membrane double-silk twill filter cloth is a key element of a filtering mechanism, and is a filtering 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 hole end sealing rings are arranged in sealing grooves of functional hole ends of the filter plates, filter cloth is hung on two sides of each filter plate and fixed, the cloth clamping distributor is arranged on a feed hole of each filter plate and used for clamping the filter cloth on the two sides of each filter plate and penetrates through filter chambers on the two sides of each filter plate, the filter plate handles are symmetrically arranged on the middle upper parts (arranged above the gravity centers of the filter plates) on the two sides of each filter plate, a plurality of filter plates are arranged on a cross beam of the filter press and tightly press the filter plates through a pressing mechanism, and concave parts of adjacent filter plates clamping the double.
The low-pressure static filtering process of the mineral powder 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 materials (mineral powder suspension).
The utility model discloses powdered ore pressure filter, through the experiment repeatedly, beneficial effect has improved the filter fineness and the filter speed of twill filter cloth, has improved powdered ore pressure filter's filter effect and production efficiency, satisfies the high-quality, high-efficient filterable needs of modern extensive powdered ore suspension.
Claims (2)
1. A multifilament warp membrane silk weft twill filter cloth comprises warp and weft; the method is characterized in that: the warp is 1200D (110T/S) polypropylene short fiber multifilament, and the warp density is 357 per 10 cm; the weft is a long fiber polypropylene split yarn of 2300D (110T/S), and the weft density is 82 yarns/10 cm; the weaving mode of the twill filter cloth is 3/2+2/3, namely the one circulation arrangement mode of warps and wefts is as follows: one weaving opening is introduced with one weft yarn for variable interweaving, the warp yarns are positioned at the upper three wefts of the weft yarns, the warp yarns are positioned at the lower two wefts of the weft yarns, two adjacent warp yarns are respectively yarns in positive and negative textures, and oblique lines are arranged on the cloth surface.
2. A mineral powder filter press comprises a frame, a pressing mechanism, a filtering mechanism, a plate pulling mechanism, a cloth washing mechanism, a hydraulic driving mechanism and a PLC (programmable logic controller) program control system, wherein the filtering mechanism comprises a filter plate and filter cloth; characterized by comprising the multifilament warp film silk weft twill filter cloth of claim 1; 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 which clamp the double-silk twill filter cloth form a filter mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021439613.2U CN213061210U (en) | 2020-07-21 | 2020-07-21 | Multifilament warp membrane silk weft twill filter cloth and corresponding mineral powder filter press |
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| CN202021439613.2U CN213061210U (en) | 2020-07-21 | 2020-07-21 | Multifilament warp membrane silk weft twill filter cloth and corresponding mineral powder filter press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115364576A (en) * | 2021-05-21 | 2022-11-22 | 景津装备股份有限公司 | Polypropylene filament double-layer filter cloth for filtering monosodium glutamate and corresponding automatic monosodium glutamate filter press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115364576A (en) * | 2021-05-21 | 2022-11-22 | 景津装备股份有限公司 | Polypropylene filament double-layer filter cloth for filtering monosodium glutamate and corresponding automatic monosodium glutamate filter press |
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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 |