CN216571995U - Polypropylene filament double-layer filter cloth for filtering monosodium glutamate and corresponding automatic pressure filter for monosodium glutamate - Google Patents
Polypropylene filament double-layer filter cloth for filtering monosodium glutamate and corresponding automatic pressure filter for monosodium glutamate Download PDFInfo
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- CN216571995U CN216571995U CN202121092801.7U CN202121092801U CN216571995U CN 216571995 U CN216571995 U CN 216571995U CN 202121092801 U CN202121092801 U CN 202121092801U CN 216571995 U CN216571995 U CN 216571995U
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Abstract
The utility model relates to a polypropylene filament double-layer filter cloth for filtering monosodium glutamate and an automatic filter press for corresponding monosodium glutamate, which have the key points of the innovative scheme that: (1) improving the weaving mode of the filter cloth: the double-layer weave structure is adopted, namely two layers of warp yarns are adopted, and the weft yarns tightly bind the two layers of the surface and the inner layer together: the warp and weft of the upper layer are arranged in a single cycle mode of '5 upper part and 1 lower part', and the satin cloth surface of the upper layer is smooth and is easy to remove cakes; the single-cycle arrangement mode of the warps and the wefts of the lower layer is 1-lower, and the lower layer has small plain weave porosity and high interception rate; (2) optimizing the variety of filter cloth yarns: the warp is 840 denier, the twist is 110T/S polypropylene filament,The warp density is 330 pieces/10 cm; the weft is 280F, 1000 denier untwisted polypropylene filaments, and the weft density is 182 pieces/10 cm; comprehensively improves the filtration precision, the cake removing efficiency and the filter cloth strength, and has the air permeability of 16-20L/m2and/S. The filter cloth is used by the filter press, so that the filter press has the performance of efficiently and accurately filtering monosodium glutamate; the technical problems of low filtering precision, short service life and difficult cake removal of the monosodium glutamate filter cloth are solved; quality improvement and efficiency improvement.
Description
Technical Field
The utility model belongs to the technical field of automatic food filter presses (patent classification No. B01D 25/12), and relates to a filament double-layer filter cloth (patent classification No. D03D 15/00) for filtering monosodium glutamate.
Background
The filter press is a pressurized filtering device with multiple filtering chambers operated intermittently; the automatic filter press is a filter press which is integrated mechanically, electrically and hydraulically and intelligently controlled by a PLC (programmable logic controller); the automatic filter press for monosodium glutamate is a special automatic filter press for monosodium glutamate dehydration in monosodium glutamate factories; mainly comprises a double-beam frame, a filter plate pressing mechanism, a multi-filter chamber filtering mechanism and monosodium glutamate filter cloth thereof, a plate pulling and cake discharging mechanism, a filter cloth cleaning mechanism, a liquid receiving and plate turning mechanism and a PLC program control system; the method is suitable for solid-liquid separation of monosodium glutamate suspension material (mixture of liquid and solid particles).
Industrial filter cloth, which is both a filter medium and a seal of an adjacent filter plate, is a core element of a filter press and is woven from warp yarns (threads parallel to the selvedge) and weft yarns (threads perpendicular to the selvedge). 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. (1) The knitting method (weave structure) includes: plain weave, twill, satin and double-layer weaving, the twill filter cloth has large porosity and good air permeability, and the satin filter cloth is smooth and has the best air permeability. (2) The varieties of warp and weft are: monofilament (one filament) and multifilament (woven from a plurality of fibers forming one filament); the multifilament is selected from the group consisting of filament multifilament (including continuous filament obtained by filament-chemical fiber processing), staple multifilament; the multifilament filter cloth is a common filter medium, has strong trapping capacity, but has poor regeneration performance, is not easy to remove cakes, and is suitable for filtering small-particle materials; the filament has high strength and smooth fabric surface; the untwisted fiber (hollow fiber) fabric is soft, thick and compact. (3) The warp and weft are mostly made of synthetic fibers such as polypropylene, terylene and chinlon, the polypropylene has good permeability and regeneration performance, the terylene has good trapping and physical and chemical properties, and the chinlon has good mechanical properties. 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 monosodium glutamate filtering cloth has the following defects: (1) the weaving mode is that single-layer filter cloth has poor trapping performance, low filtering precision and poor filtering effect when single-layer filter cloth is arranged above and below a single layer 1, the product quality is influenced, and cake falling and production efficiency are not easy to influence; (2) the varieties of warp yarns and weft yarns are 840 denier (110T/S) filament yarns, the interception rate is low, and the filtering precision is low; the mechanical property is poor, the breaking strength is low, and the service life of the filter cloth is influenced; can not meet the requirement of high-efficiency and high-precision monosodium glutamate filtration of modern monosodium glutamate production plants.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the existing monosodium glutamate filtering cloth, solve the technical problems of poor trapping performance, low filtering precision, poor mechanical performance, short service life and difficult cake removal of the monosodium glutamate filtering cloth, and provide a polypropylene filament double-layer filtering cloth for filtering monosodium glutamate and a corresponding automatic monosodium glutamate filter press; double-layer filter cloth-warp yarn is divided into an upper layer and a lower layer, the surface layer and the inner layer are tightly bound together by weft yarn, and filter cloth with different grains on the front side and the back side is woven by drafting and lifting of a weaving machine; the automatic filter press for monosodium glutamate, which is provided with the polypropylene filament double-layer filter cloth for filtering monosodium glutamate, is short for short due to the limited number of characters of the patent name.
The utility model solves the problems of the prior art and adopts the innovative technical scheme that: the key point of the overall technical scheme is that compared with the prior art, the novel overall structure has the prominent substantive characteristics that: (1) improve the filter cloth organizational structure (weave mode): by adopting a double-layer organization structure, the trapping performance and the filtering effect of the filter are optimized on the premise of considering the permeability, the air permeability and the filtering efficiency; the upper layer satin cloth surface is smooth and easy to remove cakes, and the lower layer plain weave has small porosity and high interception rate; (2) optimizing the variety of filter cloth yarns: the weft yarns are preferably untwisted filaments, so that the trapping performance and the filtering effect are further improved; the twisted filaments are preferably selected as the warps, so that the mechanical property of the filaments is strong, and the breaking strength of the filter cloth is increased; (3) the preferable material of the yarn is as follows: the polypropylene filament is preferably selected, and on the premise of considering physical and chemical properties, the permeability and air permeability of the filter cloth are improved, and the regeneration performance of the filter cloth is improved, so that cake removal is facilitated; therefore, the technical problems of poor trapping performance, low filtering precision, poor mechanical performance, short service life and difficult cake removal of the monosodium glutamate filter cloth are solved.
The specific design scheme is as follows: the gourmet powder double-layer filter cloth is formed by interweaving two layers of warps and wefts in a changing manner; the warp comprises an upper warp and a lower warp, is a polypropylene filament with the denier of 840 and the twist of 110T/S, and has the warp density of 330 yarns/10 cm; the weft comprises an upper weft and a lower weft, is 280F and 1000 denier untwisted polypropylene filaments, and has a weft density of 182 pieces/10 cm.
The organization structure of the filter cloth is as follows: the innovative double-layer weaving mode is that the warp yarn is divided into an upper layer and a lower layer, and the weft yarn tightly binds the two layers (surface binding and inner binding): (1) the single-cycle arrangement mode of the longitude and latitude lines on the upper layer (namely the front surface) is 5-up and 1-down: namely, the upper warp is positioned at the upper layer five wefts of the upper weft, and the upper warp is positioned at the lower layer one weft of the upper weft; the upper layer satin cloth surface is smooth and easy to remove cakes; (2) the single-cycle arrangement mode of the longitude and latitude lines of the lower layer (namely the reverse side) is '1 on 1 off': namely, the lower warp is positioned at the upper layer weft of the lower weft, and the lower warp is positioned at the lower layer weft of the lower weft; the lower layer has small plain porosity and high interception rate; the filter cloth with different grain on the front and back surfaces is woven by the weaving machine drafting and the lifting heald, the upper layer is characterized in that the interweaving points are discontinuous, some warp threads float on the cloth surface, the surface of the filter cloth is smooth after the filter cloth is shaped at high temperature, the trapping performance is better, and the air permeability is (16-20) L/m2(ii) S; has the performance of high-efficiency and high-precision monosodium glutamate filtration.
The utility model also provides an automatic pressure filter for monosodium glutamate, which uses the polypropylene filament double-layer filter cloth for filtering monosodium glutamate; the filter press for monosodium glutamate mainly comprises a double-beam frame, a filter plate pressing mechanism, a multi-filter chamber filtering mechanism, a monosodium glutamate double-layer filter cloth, a plate pulling and cake discharging mechanism, a filter cloth cleaning mechanism, a liquid receiving and plate turning mechanism and a PLC program control system; has the functions of automatically pulling a plate and unloading a cake, automatically cleaning filter cloth and automatically turning the plate and receiving liquid.
The polypropylene filament double-layer filter cloth for filtering monosodium glutamate and the corresponding automatic filter press for monosodium glutamate have the obvious advantages of excellent trapping performance, good permeability, good regeneration performance, proper physical and chemical properties, strong mechanical properties and the like; the beneficial effects are as follows: (1) the trapping performance and the filtering effect are optimized by improving the structure into a double-layer filter cloth structure; (2) by optimizing the varieties of the filter cloth yarns, namely twisted long warp yarns and untwisted long weft yarns, the mechanical property, the comprehensive property and the service life of the filter cloth yarns are optimized, cakes are easy to remove, the production efficiency is improved, the requirement of high-efficiency and high-precision monosodium glutamate filtering is met, and the quality and the efficiency are improved.
Drawings
FIG. 1 is a pictograph of a pattern of polypropylene filament double-layer filter cloth for monosodium glutamate filtration according to the present invention.
FIG. 2 is a schematic diagram of the texture structure of the polypropylene filament double-layer filter cloth for filtering monosodium glutamate.
Reference numerals: 11-upper warp, 12-upper weft, 21-lower warp and 22-lower weft.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings in an embodiment of an automatic monosodium glutamate filter press according to the present invention, wherein the embodiment is only a preferred embodiment of the present invention, and not all embodiments are described. All other embodiments, such as gourmet powder double-layer filter cloth with the same double-layer weaving mode and different yarn varieties, which are not inventive by the technical personnel in the field, belong to the protection scope of the utility model based on the embodiments of the utility model.
Example 1
A polypropylene filament double-layer filter cloth for filtering monosodium glutamate (called monosodium glutamate double-layer filter cloth for short) is formed by interweaving two layers of warps and wefts; the main points of the overall implementation scheme of the innovation are as follows: (1) improve the filter cloth organizational structure (weave mode): by adopting a double-layer organization structure, the trapping performance and the filtering effect of the filter are optimized on the premise of considering the permeability, the air permeability and the filtering efficiency; the upper layer satin cloth surface is smooth and easy to remove cakes, and the lower layer plain weave has small porosity and high interception rate; (2) optimizing the variety of filter cloth yarns: the weft yarns are preferably untwisted filaments, so that the trapping performance and the filtering effect are further improved; the twisted filaments are preferably selected as the warps, so that the mechanical property of the filaments is strong, and the breaking strength of the filter cloth is increased; (3) the preferable material of the yarn is as follows: the polypropylene filament is preferably selected, and the permeability and air permeability of the filter cloth are improved, the regeneration performance of the filter cloth is improved, and cake removal is convenient on the premise of considering physical and chemical properties; specific embodiments are described in detail below.
The warp comprises an upper warp 11 and a lower warp 21, is a polypropylene filament with 840 denier and 110T/S twist, and has a warp density of 330 yarns/10 cm; the twisted filament has strong mechanical property, and the twisting increases the breaking strength of the filter cloth so as to improve the service life of the filter cloth.
The weft comprises an upper weft 21 and a lower weft 22, is 280F and 1000 denier untwisted polypropylene filaments, and has a weft density of 182 yarns/10 cm; the untwisted filament filter cloth is thick, solid and compact, and has good trapping performance, high interception rate, high filtering precision and strong filament mechanical performance, so that the filtering effect of the filter cloth is improved, and the service life of the filter cloth is prolonged.
The polypropylene filament has excellent permeability, good regeneration performance and strong mechanical performance of the filament, so as to improve the air permeability of the filter cloth and ensure that the air permeability is (16-20) L/m2and/S, easy cake removal and production efficiency improvement.
The organization structure of the filter cloth is as follows: the innovative double-layer weaving mode is that the warp yarn is divided into an upper layer and a lower layer, and the weft yarn tightly binds the two layers (surface binding and inner binding): (1) the single-cycle arrangement mode of the longitude and latitude lines on the upper layer (namely the front surface) is 5-up and 1-down: namely, the upper warp 11 is positioned at the upper five picks of the upper weft 12, and the warp of the upper warp 11 is positioned at the lower one pick of the upper weft 12; the upper layer satin cloth surface is smooth and easy to remove cakes; (2) the single-cycle arrangement mode of the longitude and latitude lines of the lower layer (namely the reverse side) is '1 on 1 off': namely, the lower warp 21 is positioned at the upper layer weft of the lower weft 22, and the lower warp 21 is positioned at the lower layer weft of the lower weft 22; the lower layer has small plain porosity and high interception rate; the filter cloth with different grain on the front and back surfaces is woven by the weaving machine drafting and the lifting heald, the upper layer is characterized in that the interweaving points are discontinuous, some warp threads float on the cloth surface, the surface of the filter cloth is smooth after the filter cloth is shaped at high temperature, the trapping performance is better, and the air permeability is (16-20) L/m2(ii) S; has high monosodium glutamate filtering performance.
The weaving equipment used was: the Jingjin environmental protection stockings company is the biggest filter cloth weaving business in the world at present, uses the heavy rapier loom of the denier P1, can change the variety fast, crosses loom drafting and carries the heald to weave out the filter cloth that two sides line is different, superstrong beat-up force makes the fabric compactness high, stability is high, easy and simple to handle, production efficiency is high. The developed gourmet powder double-layer filter cloth (the number of the inside is 750 AB) is smooth in surface, easy to remove cakes and good in trapping performance after high-temperature shaping and polishing, has high filtering precision and is suitable for high-efficiency and high-precision solid-liquid separation of gourmet powder suspension (mixture of liquid and solid particles).
The polypropylene filament double-layer filter cloth for filtering monosodium glutamate provided by the utility model has the remarkable advantages of excellent trapping performance, good permeability, good regeneration performance, proper physical and chemical properties, strong mechanical properties and the like; the technical problems of poor trapping performance, low filtering precision, poor mechanical performance, short service life and difficult cake removal of the monosodium glutamate filter cloth are solved; and (5) quality improvement and efficiency improvement.
Example 2
An automatic pressure filter for monosodium glutamate (referred to as monosodium glutamate pressure filter for short) uses the polypropylene filament double-layer filter cloth for filtering monosodium glutamate; the monosodium glutamate filter press mainly comprises a double-beam frame, a filter plate pressing mechanism, a multi-filter chamber filtering mechanism, a monosodium glutamate double-layer filter cloth, a plate pulling and cake discharging mechanism, a filter cloth cleaning mechanism, a liquid receiving and plate turning mechanism and a PLC program control system; the automatic filter has the functions of automatically pulling plates, unloading cakes, automatically cleaning filter cloth and automatically turning plates to receive liquid; the method is suitable for high-efficiency and high-precision solid-liquid separation of monosodium glutamate suspension materials. The utility model shares the technical part with the prior art, according to the current standard of China' Van filter press and plate-and-frame filter press part 1: type and basic parameters section 2: technical Condition section 3: filter plate (manufactured by JB/T4333).
The multi-filter chamber filtering mechanism is a core component of a filter press and mainly comprises a head-tail anti-corrosion plate, a filter plate, monosodium glutamate double-layer filter cloth, a cloth clamping distributor, a hole end sealing ring, a filter plate supporting handle and other parts. The double-layer monosodium glutamate filter cloth is a key element of a filtering mechanism, is a high-efficiency filtering medium and is a sealing element of a sealing surface of a frame of an adjacent filter plate. Assembling the double-layer monosodium glutamate 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 monosodium glutamate double-layer filter cloth form a multi-filter-chamber filtering mechanism.
The low-pressure static filtering process of the monosodium glutamate 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 unloading; controlled by a PLC control system, the single complete operation cycle of pressing a filter plate, feeding and filtering, turning a plate to receive liquid, washing and purifying, back blowing materials, drying and purifying, pulling the plate to unload cakes and cleaning filter cloth is automatically completed by one key; the intermittent reciprocating circulation work realizes the high-precision solid-liquid separation of the monosodium glutamate materials in batches.
The automatic filter press for the monosodium glutamate provided by the utility model has the beneficial effects that: (1) the trapping performance and the filtering effect are optimized by improving the structure into a double-layer filter cloth structure; (2) by optimizing the varieties of the filter cloth yarns, namely twisted long warp yarns and untwisted long weft yarns, the mechanical property, the comprehensive property and the service life of the filter cloth yarns are optimized, cakes are easy to remove, the requirements of high-efficiency and high-precision monosodium glutamate filtration are met, and the quality and the efficiency are improved.
Claims (2)
1. A polypropylene filament double-layer filter cloth for filtering monosodium glutamate comprises warps and wefts; the method is characterized in that: the warp comprises an upper warp and a lower warp, is a polypropylene filament with the denier of 840 and the twist of 110T/S, and has the warp density of 330 yarns/10 cm; the weft comprises an upper weft and a lower weft, is 280F and 1000 denier untwisted polypropylene filaments, and has a weft density of 182 yarns/10 cm; filter clothThe organization structure of (A) is: the double-layer weaving mode is adopted, namely the warp yarn is divided into an upper layer and a lower layer, and the weft yarn tightly binds the upper layer and the lower layer together: (1) the single-cycle arrangement mode of the warp and weft of the upper layer is 5-over-1-under: namely, the upper warp is positioned at the upper layer five wefts of the upper weft, and the upper warp is positioned at the lower layer one weft of the upper weft; the upper layer satin interweaving points are discontinuous, some warps float on the cloth surface, and the cloth surface is smooth; (2) the single-cycle arrangement mode of the longitude and latitude lines of the lower layer is '1 on 1 off': namely, the lower warp is positioned at the upper layer weft of the lower weft, and the lower warp is positioned at the lower layer weft of the lower weft; the lower layer has small plain porosity and air permeability of 16L/m2/S -20L/m2(ii) S; has the performance of high-efficiency and high-precision monosodium glutamate filtration.
2. An automatic filter press for monosodium glutamate comprises a double-beam frame, a filter plate pressing mechanism, a multi-filter chamber filtering mechanism, a monosodium glutamate double-layer filter cloth, a plate pulling and cake unloading mechanism, a filter cloth cleaning mechanism, a liquid receiving and plate turning mechanism and a PLC program control system; the method is characterized in that: the double-layer monosodium glutamate filter cloth is the polypropylene filament double-layer monosodium glutamate filtering filter cloth in claim 1; has the functions of automatically pulling a plate and unloading a cake, automatically cleaning filter cloth and automatically turning the plate and receiving liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092801.7U CN216571995U (en) | 2021-05-21 | 2021-05-21 | Polypropylene filament double-layer filter cloth for filtering monosodium glutamate and corresponding automatic pressure filter for monosodium glutamate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092801.7U CN216571995U (en) | 2021-05-21 | 2021-05-21 | Polypropylene filament double-layer filter cloth for filtering monosodium glutamate and corresponding automatic pressure filter for monosodium glutamate |
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| Publication Number | Publication Date |
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| CN216571995U true CN216571995U (en) | 2022-05-24 |
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| CN202121092801.7U Active CN216571995U (en) | 2021-05-21 | 2021-05-21 | Polypropylene filament double-layer filter cloth for filtering monosodium glutamate and corresponding automatic pressure filter for monosodium glutamate |
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