CN219603812U - Meta-aramid/polyarylester tube barrel for high-temperature filtration - Google Patents

Abstract

The utility model discloses a meta-position aramid/polyarylester tube for high-temperature filtration, and relates to the field of high-performance fiber fabrics. The meta-aramid filaments and the thermotropic liquid crystal polyarylate filaments are formed by one-step processing by using a shuttle loom, and the tubular structure of the square structure is woven. The fabric is arranged in a plain weave and a heavy weave according to a rule, the whole fabric presents a square weave tubular structure, and a specific processing method is disclosed, so that the tubular fabric which is stable in structure, high in strength, high-temperature resistant, corrosion resistant, sun resistant and recyclable is prepared; meanwhile, the fabric locks the edge warps by utilizing the inflection points of the weft yarn reciprocation, and has the advantages of high fabric finished product rate, simple processing technology and the like; the meta-aramid and polyarylate are matched with each other, have similar performance and complementary advantages and disadvantages, further expand application fields, and can be particularly applied to solid-liquid separation, dust purification, material recovery and the like in the industries of chemical industry, dye, cement, food processing, pharmacy and the like.

Description

Meta-aramid/polyarylester tube barrel for high-temperature filtration

Technical Field

The utility model relates to the field of textile fabrics, in particular to a meta-aramid/polyarylate tube for high-temperature filtration.

Background

The common filter bags, filter cartridges and the like in the high-temperature filter materials are key parts of the filtering process, and directly determine the final filtering effect. The filter material mainly comprises glass fiber, aromatic polyamide fiber, polyphenylene sulfide fiber, polyimide fiber and various film-coating materials, and the specific forms of the filter material comprise filter felt, filter cloth, filter film and the like, wherein the filter material in the form of fabric can be subdivided into filament fabric, yarn fabric and the like, and meanwhile, the filter material is required to have the characteristics of stable structure, high temperature resistance, corrosion resistance, high strength, easiness in stripping of particles such as dust and the like, recycling and the like.

The high-temperature filtering fabric is usually mixed and matched by two or more different kinds of fibers, and has the advantages of good and bad complementation, filterability and economy, but the updating of the filtering material is faster and faster along with the improvement of the filtering standard and the change of the application environment. The patent CN101332383A adopts steel wires and terylene to prepare the dedusting filter bag, has the characteristics of wide applicability, electricity saving, simple ash removal and the like, but has insufficient overall temperature resistance, influences the service life of the steel wires in a humid environment, and cannot be recycled for a long time.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a meta-position aramid/polyarylester tube for high-temperature filtration, so as to obtain the tube for high-temperature filtration, which has stable structure, high strength, high temperature resistance, corrosion resistance, sunlight resistance and recycling. Through using shuttle loom, the meta-aramid filament and thermotropic liquid crystal polyarylate filament are processed and formed once, and the tubular structure of the square structure is woven, so that the polyarylate can provide higher strength for the whole fabric, the meta-aramid has more price advantage, other properties of two materials are similar, the advantages and disadvantages are complementary, the application field is further enlarged, and the method can be particularly applied to solid-liquid separation, dust purification, material recovery and the like in the industries of chemical industry, dye, cement, food processing, pharmacy and the like.

In order to achieve the technical effects, the utility model discloses a meta-aramid/polyarylate tube for high-temperature filtration, which is a square-structured tubular structure fabric; the meta-position aramid fiber filament and thermotropic liquid crystal polyarylate filament are woven by a shuttle loom; the integral fabric structure is a square structure formed by plain weave and heavy flat weave according to a certain rule, wherein the surface layer and the inner layer of warp yarns are all arranged according to the rule by meta-aramid filaments and polyarylate filaments, and the weft yarns adopt meta-aramid filaments.

Furthermore, the surface and inner plain weave part of the tube barrel for the high-temperature filter adopts meta-aramid filaments, and the heavy weave part adopts polyarylester filaments.

Further, the warp yarn of the tube for the high-temperature filter is 200-1500D meta-position aramid filament yarn and 200-1500D polyarylate filament yarn, and the weft yarn is 200-1500D meta-position aramid filament yarn.

The utility model has the beneficial effects that:

the meta-aramid/polyarylester tube for high-temperature filtration adopts meta-aramid filaments and polyarylester filaments to weave tubular fabrics according to the regular coordination, has the characteristics of stable structure, long service life, high strength, high temperature resistance, corrosion resistance, sunlight resistance and the like, can be particularly applied to solid-liquid separation, dust purification, material recovery and the like in the industries of chemical industry, dye, cement, food processing, pharmacy and the like, is easy to strip dust and the like, and has the characteristic of recycling.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are of some embodiments of the utility model and that other drawings may be derived from these drawings without undue effort.

FIG. 1 is an illustration of an on-machine diagram of a meta-aramid/polyarylate tube fabric for high temperature filtration.

FIG. 2 is a schematic representation of the warp and weft arrangement of a meta-aramid/polyarylate tube fabric for high temperature filtration.

FIG. 3 is a cross-sectional view of 4 weave loops of a meta-aramid/polyarylate tube fabric for high temperature filtration.

Wherein 100, thermotropic liquid crystalline polyarylate filaments; 200. meta-aramid filaments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the meta-aramid/polyarylate tubular fabric for high-temperature filtration has 4 and 2 arranged intermediate aramid filaments and polyarylate filaments per weave cycle, and 4 single wefts and 1 double wefts of meta-aramid yarns.

The production steps are as follows:

(1) warp preparation: by adopting a warp frame, meta-aramid filaments and polyarylate filaments are distributed according to a rule of 4:2, the filament number of meta-aramid filaments is 2D, the breaking strength is more than or equal to 4.5cN/dtex, the filament number of polyarylate filaments is 5D, and the breaking strength is more than or equal to 22.9cN/dtex.

(2) Weaving: determining a fabric structure circulation rule, wherein the number of arranged intermediate aramid filaments and polyarylate filaments of each structure circulation warp is 4 and 2, and the weft yarns are 4 single wefts and 1 double wefts of meta-aramid filaments; the heald wires are worn by adopting a zonal wearing method, and each dent of the reed is 2 in to prepare the tubular fabric with the square structure. The warp density of the fabric is 150 pieces/10 cm, the polyarylate filaments in the warp account for 33.3 percent, and the weft density is 150 pieces/10 cm.

(3) Washing: the water temperature is 60 ℃, the content of the cleaning agent is 4%, and various residual oil and stains on the surface of the fabric are removed.

The meta-aramid/polyarylester tube for long high temperature filtration adopts the warp frame when weaving, so that uneven tension caused by different buckling degrees of warp yarns due to different tissue structures is avoided, the flat cloth cover is ensured, and the structure is stable; the tubular fabric with the square weave is processed by the shuttle loom, can be used for manufacturing the filtering material with the tubular and bag-shaped structures in the high-temperature filtering field, is formed by one-step processing, reduces the hemming process, has high production efficiency and simple processing technology; the edge warp yarns are locked by adopting the back-and-forth folding points of the weft yarns of the fabric, so that the fabric has high rate of finished products, is not easy to deform in structure and has long service life; parameters such as warp and weft yarn thickness, warp and weft density, thickness and the like of the fabric and arrangement proportion of meta-aramid filaments and polyarylate filaments can be changed according to actual requirements, and the filter effect is flexible and controllable and has high applicability.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (3)

1. A meta-aramid/polyarylate tube for high temperature filtration, characterized in that: the meta-aramid/polyarylester tube barrel for high-temperature filtration is a square-grid-structure tubular structure fabric; the meta-position aramid fiber filament and thermotropic liquid crystal polyarylate filament are woven by a shuttle loom; the integral fabric structure is a square structure formed by plain weave and heavy flat weave according to a certain rule, wherein the surface layer and the inner layer of warp yarns are all arranged according to the rule by meta-aramid filaments and polyarylate filaments, and the weft yarns adopt meta-aramid filaments.

2. A meta-aramid/polyarylate tube for high temperature filtration according to claim 1, wherein: meta-aramid filaments are adopted for the surface and inner plain weave part warps of the meta-aramid/polyarylester tube for high-temperature filtration, and polyarylester filaments are adopted for the heavy weave part warps.

3. A meta-aramid/polyarylate tube for high temperature filtration according to claim 1, wherein: the high-temperature filter tube is characterized in that the warp yarns of the tube for the high-temperature filter are 200-1500D meta-position aramid filaments and 200-1500D polyarylate filaments, and the weft yarns are 200-1500D meta-position aramid filaments.