CN116272129A - High-strength filter material and preparation method thereof - Google Patents

High-strength filter material and preparation method thereof Download PDF

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Publication number
CN116272129A
CN116272129A CN202310240827.9A CN202310240827A CN116272129A CN 116272129 A CN116272129 A CN 116272129A CN 202310240827 A CN202310240827 A CN 202310240827A CN 116272129 A CN116272129 A CN 116272129A
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CN
China
Prior art keywords
layer
base cloth
adhesive layer
antistatic
flame retardant
Prior art date
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Pending
Application number
CN202310240827.9A
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Chinese (zh)
Inventor
蔡克和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Tongsheng Filter Bag Co ltd
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Jiangsu Tongsheng Filter Bag Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Jiangsu Tongsheng Filter Bag Co ltd filed Critical Jiangsu Tongsheng Filter Bag Co ltd
Priority to CN202310240827.9A priority Critical patent/CN116272129A/en
Publication of CN116272129A publication Critical patent/CN116272129A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2250/20—All layers being fibrous or filamentary
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    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
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    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)

Abstract

The invention relates to a high-strength filter material and a preparation method thereof, the high-strength filter material comprises a base cloth layer, a first antistatic layer and a second antistatic layer are respectively arranged above and below the base cloth layer, a first flame-retardant layer is arranged on the upper surface of the first antistatic layer, a second flame-retardant layer is arranged on the lower surface of the second antistatic layer, a first bonding layer is arranged between the first antistatic layer and the base cloth layer, a plurality of base cloth layers are arranged in the high-strength filter material, the base cloth layers are arranged in a staggered manner, fiber holes of adjacent base cloth layers are covered in a staggered manner, the number of the base cloth layers can be increased, the overall density can be increased, and the overall filtering precision can be improved.

Description

High-strength filter material and preparation method thereof
Technical Field
The invention relates to the technical field of filter materials and preparation thereof, in particular to a high-strength filter material and a preparation method thereof.
Background
The invention patent of patent number CN202210848131.X discloses a high-strength industrial filter material base cloth and a preparation process thereof, wherein the filter material with different filtering precision is required to be adopted for different filtering environments, the filtering precision of the filter material depends on the weaving density of the filter material, so that the production and the processing are required to be carried out through a knitting machine with different weaving densities, when the filtering precision is increased, the liquid is difficult to pass, so that larger pressure is applied to one side to be filtered, the existing filter material has lower strength and is easy to damage and lose efficacy after long-time use; in addition, the existing filter materials are generally stored in a large amount in a warehouse when not in use, and once the phenomenon of fire occurs, larger fire is easily caused, so that certain potential safety hazards exist.
Disclosure of Invention
(one) solving the technical problems
Aiming at the problems in the prior art, the invention provides a high-strength filter material and a preparation method thereof, which aim to solve the technical problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high strength filter material, includes the base cloth layer, the top and the below of base cloth layer are equipped with first antistatic layer and second antistatic layer respectively, and the upper surface on first antistatic layer is equipped with first fire-retardant layer, and the lower surface on second antistatic layer is equipped with the fire-retardant layer of second, is equipped with first adhesive layer between first antistatic layer and the base cloth layer, is equipped with the second adhesive layer between first antistatic layer and the fire-retardant layer of first, is equipped with the third adhesive layer between second antistatic layer and the base cloth layer, is equipped with the fourth adhesive layer between second antistatic layer and the fire-retardant layer of second, the base cloth layer includes the weaving pencil.
Preferably, the textile harness comprises aramid yarns, glass fiber yarns and carbon composite fiber yarns, so that the strength of the textile harness is improved.
In a further preferred embodiment, the base cloth layer is provided with a plurality of base cloth layers, and the plurality of base cloth layers are staggered from top to bottom in sequence, so that the overall strength and the filtering precision are improved.
In a further preferred embodiment, a fifth adhesive layer is provided between two adjacent base fabric layers to prevent loosening.
In a further preferred embodiment, the first, second, third, fourth and fifth adhesive layers are of the same material, so as to facilitate the preparation of the material.
The invention provides a preparation method of a high-strength filter material, which comprises the following steps:
s1: taking the textile harness as warp and weft, and knitting the warp and weft into a base cloth layer by a knitting machine;
s2: a plurality of base cloth layers are paved in a staggered way to form a plurality of base cloth layers, and fiber holes of adjacent base cloth layers are covered in a staggered way;
s3: weaving polyester fiber yarns into a fiber net, and performing soaking and airing treatment to form a first antistatic layer and a second antistatic layer;
s4: one or more flame retardant yarns are woven into the first flame retardant layer and the second flame retardant layer.
Preferably, the textile harness in S1 is made by winding aramid yarn, glass fiber yarn and carbon composite fiber yarn, so as to facilitate improvement of the overall strength.
In a further preferred embodiment, the soaking and airing treatment in S3 includes soaking the fiber web in the conductive resin to attach the conductive resin to the surface, and taking out and airing the fiber web to facilitate antistatic.
In a further preferred embodiment, the one or more flame retardant yarns in S4 include one or more of flame retardant polyacrylonitrile fiber yarn and flame retardant polyester fiber yarn, so as to be flame retardant.
In a further preferred embodiment, S5 is further included after S4: butyl acrylate, zinc oxide, sodium bicarbonate, styrene and vinyl acetate are mixed according to a proportion to prepare a first adhesive layer, a second adhesive layer, a third adhesive layer, a fourth adhesive layer and a fifth adhesive layer, the first adhesive layer, the second adhesive layer, the third adhesive layer, the fourth adhesive layer and the fifth adhesive layer are respectively smeared between the first antistatic layer and the base cloth layer, between the first antistatic layer and the first flame-retardant layer, between the second antistatic layer and the base cloth layer, between the second antistatic layer and the second flame-retardant layer and between two adjacent base cloth layers, a plurality of base cloth layers, the first antistatic layer, the second antistatic layer, the first flame-retardant layer and the second flame-retardant layer are bonded together, and the base cloth layers, the first antistatic layer, the second antistatic layer, the first flame-retardant layer and the second flame-retardant layer are placed in heat sealing equipment to be thermally sealed and reinforced, so that a filter material is formed, and connection is facilitated.
(III) beneficial effects
Compared with the prior art, the invention provides the high-strength filter material and the preparation method thereof, and the high-strength filter material has the following beneficial effects:
1. according to the invention, the base cloth layers are arranged, the base cloth layers are staggered, the fiber holes of the adjacent base cloth layers are staggered and covered, and the overall density can be increased by increasing the number of the base cloth layers, so that the overall filtering precision is improved;
2. according to the invention, the number of the base cloth layers is increased, the overall strength can be increased, when the overall filtering precision is required to be high, the liquid to be filtered is not easy to pass through the base cloth layers, the pressure is required to be increased, the overall strength requirement is also increased, and the strength of the overall can be ensured to meet the strength requirement by increasing the base cloth layers;
3. the first flame-retardant layer and the second flame-retardant layer are arranged in the invention, so that when a fire is piled up, the further spreading of the fire can be effectively prevented, and the first antistatic layer and the second antistatic layer are also arranged, so that static carried by dust can be resisted;
4. according to the preparation method disclosed by the invention, a plurality of base cloth layers are paved in a staggered manner to form a plurality of base cloth layers, and fiber holes of adjacent base cloth layers are covered in a staggered manner, so that the filtering precision of the filter material can be conveniently adjusted by changing the number and arrangement positions of the base cloth layers.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high strength filter material according to the present invention;
FIG. 2 is a schematic diagram of the explosive structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic diagram showing an unconnected state of two adjacent base fabric layers in the present invention;
FIG. 4 is a schematic view of a base fabric layer according to the present invention;
fig. 5 is a schematic view of the structure of the textile harness of the present invention.
In the figure: 1. a base cloth layer; 2. a first antistatic layer; 3. a second antistatic layer; 4. a first flame retardant layer; 5. a second flame retardant layer; 6. a first adhesive layer; 7. a second adhesive layer; 8. a third adhesive layer; 9. a fourth adhesive layer; 10. weaving the wire harness; 11. an aramid yarn; 12. a glass fiber yarn; 13. a carbon composite fiber yarn; 14. and a fifth adhesive layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
referring to fig. 1-5, a high-strength filter material comprises a base cloth layer 1, a first antistatic layer 2 and a second antistatic layer 3 are respectively arranged above and below the base cloth layer 1, a first flame retardant layer 4 is arranged on the upper surface of the first antistatic layer 2, a second flame retardant layer 5 is arranged on the lower surface of the second antistatic layer 3, a first adhesive layer 6 is arranged between the first antistatic layer 2 and the base cloth layer 1, a second adhesive layer 7 is arranged between the first antistatic layer 2 and the first flame retardant layer 4, a third adhesive layer 8 is arranged between the second antistatic layer 3 and the base cloth layer 1, a fourth adhesive layer 9 is arranged between the second antistatic layer 3 and the second flame retardant layer 5, and the base cloth layer 1 comprises a textile harness 10.
Referring to fig. 1 to 5, the textile harness 10 includes an aramid yarn 11, a glass fiber yarn 12 and a carbon composite fiber yarn 13, so as to improve the strength of the textile harness 10 and further improve the strength of the base cloth layer 1.
Referring to fig. 1-5, the base fabric layers 1 are provided with a plurality of base fabric layers 1, and the plurality of base fabric layers 1 are staggered from top to bottom in sequence, so that the overall density is increased by increasing the number of the base fabric layers 1, the filtering precision is improved, and the overall strength is improved.
Referring to fig. 1-5, a fifth adhesive layer 14 is disposed between two adjacent base fabric layers 1. The materials of the first adhesive layer 6, the second adhesive layer 7, the third adhesive layer 8, the fourth adhesive layer 9 and the fifth adhesive layer 14 are the same. The first antistatic layer 2 is connected with the base cloth layer 1 through the first adhesive layer 6, the first antistatic layer 2 is connected with the first flame retardant layer 4 through the second adhesive layer 7, the second antistatic layer 3 is connected with the base cloth layer 1 through the third adhesive layer 8, the second antistatic layer 3 is connected with the second flame retardant layer 5 through the fourth adhesive layer 9, the two adjacent base cloth layers 1 are connected through the fifth adhesive layer 14, after connection is completed, the first adhesive layer 6, the second adhesive layer 7, the third adhesive layer 8, the fourth adhesive layer 9 and the fifth adhesive layer 14 are reinforced through a heat-sealing mode, and the connection strength is improved.
Example 2:
a preparation method of a high-strength filter material comprises the following steps:
s1: taking the textile harness 10 as warp and weft, and knitting the warp and weft into a base cloth layer 1 by a knitting machine;
s2: a plurality of base cloth layers 1 are paved in a staggered way to form a plurality of base cloth layers 1, and fiber holes of adjacent base cloth layers 1 are covered in a staggered way;
s3: weaving polyester fiber yarns into a fiber net, and performing soaking and airing treatment to form a first antistatic layer 2 and a second antistatic layer 3;
s4: one or more flame retardant yarns are woven into the first flame retardant layer 4 and the second flame retardant layer 5.
The textile harness 10 in S1 is made by winding an aramid yarn 11, a glass fiber yarn 12 and a carbon composite fiber yarn 13.
The soaking and airing treatment in the step S3 comprises the steps of soaking the fiber net in the conductive resin to enable the surface of the fiber net to be attached with the conductive resin, and taking out the fiber net to be aired.
The one or more flame retardant yarns in S4 include one or more of flame retardant polyacrylonitrile fiber yarns and flame retardant polyester fiber yarns.
S5 is also included after S4: butyl acrylate, zinc oxide, sodium bicarbonate, styrene and vinyl acetate are mixed according to a proportion to prepare a first bonding layer 6, a second bonding layer 7, a third bonding layer 8, a fourth bonding layer 9 and a fifth bonding layer 14, the first bonding layer 2 and the base cloth layer 1, the first antistatic layer 2 and the first flame retardant layer 4, the second antistatic layer 3 and the base cloth layer 1, the second antistatic layer 3 and the second flame retardant layer 5 and the adjacent two base cloth layers 1 are respectively smeared, a plurality of base cloth layers 1, the first antistatic layer 2, the second antistatic layer 3, the first flame retardant layer 4 and the second flame retardant layer 5 are bonded together, and the base cloth layers are placed in a heat sealing device for heat sealing and reinforcement, so that a filter material is formed.
Example 3:
in sum, when the antistatic adhesive is used, the first antistatic layer 2 is connected with the base cloth layer 1 through the first adhesive layer 6, the first antistatic layer 2 is connected with the first flame retardant layer 4 through the second adhesive layer 7, the second antistatic layer 3 is connected with the base cloth layer 1 through the third adhesive layer 8, the second antistatic layer 3 is connected with the second flame retardant layer 5 through the fourth adhesive layer 9, the two adjacent base cloth layers 1 are connected through the fifth adhesive layer 14, and after connection, the positions of the first adhesive layer 6, the second adhesive layer 7, the third adhesive layer 8, the fourth adhesive layer 9 and the fifth adhesive layer 14 are reinforced in a heat-sealing mode, so that the connection strength is improved.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a high strength filter material, includes base cloth layer (1), its characterized in that: the base cloth layer (1) is equipped with first antistatic layer (2) and second antistatic layer (3) respectively in top and below, the upper surface of first antistatic layer (2) is equipped with first fire-retardant layer (4), the lower surface of second antistatic layer (3) is equipped with second fire-retardant layer (5), be equipped with first adhesive layer (6) between first antistatic layer (2) and base cloth layer (1), be equipped with second adhesive layer (7) between first antistatic layer (2) and first fire-retardant layer (4), be equipped with third adhesive layer (8) between second antistatic layer (3) and base cloth layer (1), be equipped with fourth adhesive layer (9) between second antistatic layer (3) and second fire-retardant layer (5), base cloth layer (1) include weaving pencil (10).
2. A high strength filter media according to claim 1, wherein: the textile harness (10) comprises an aramid yarn (11), a glass fiber yarn (12) and a carbon composite fiber yarn (13).
3. A high strength filter media according to claim 1, wherein: the base cloth layers (1) are arranged in a plurality, and the base cloth layers (1) are sequentially staggered from top to bottom.
4. A high strength filter media according to claim 1, wherein: a fifth adhesive layer (14) is arranged between two adjacent base cloth layers (1).
5. A high strength filter media according to claim 4, wherein: the first adhesive layer (6), the second adhesive layer (7), the third adhesive layer (8), the fourth adhesive layer (9) and the fifth adhesive layer (14) are made of the same material.
6. The invention also comprises a preparation method of the high-strength filter material, which is characterized in that: the preparation method comprises the following steps:
s1: taking the textile harness (10) as warp and weft and knitting the warp and weft into a base cloth layer (1) by a knitting machine;
s2: a plurality of base cloth layers (1) are paved in a staggered way to form a plurality of base cloth layers (1), and fiber holes of adjacent base cloth layers (1) are covered in a staggered way;
s3: weaving polyester fiber yarns into a fiber net, and performing soaking and airing treatment to form a first antistatic layer (2) and a second antistatic layer (3);
s4: one or more flame retardant yarns are woven into a first flame retardant layer (4) and a second flame retardant layer (5).
7. The method for preparing the high-strength filter material according to claim 6, wherein the method comprises the following steps: the textile harness (10) in the S1 is made by winding aramid yarn (11), glass fiber yarn (12) and carbon composite fiber yarn (13).
8. The method for preparing the high-strength filter material according to claim 6, wherein the method comprises the following steps: the soaking and airing treatment in the step S3 comprises the steps of soaking the fiber net in conductive resin to enable the surface of the fiber net to be attached with the conductive resin, and taking out the fiber net to be aired.
9. The method for preparing the high-strength filter material according to claim 6, wherein the method comprises the following steps: the one or more flame retardant yarns in S4 include one or more of flame retardant polyacrylonitrile fiber yarns and flame retardant polyester fiber yarns.
10. The method for preparing the high-strength filter material according to claim 6, wherein the method comprises the following steps: the step S4 further includes step S5: butyl acrylate, zinc oxide, sodium bicarbonate, styrene and vinyl acetate are mixed according to a proportion to prepare a first adhesive layer (6), a second adhesive layer (7), a third adhesive layer (8), a fourth adhesive layer (9) and a fifth adhesive layer (14), the adhesive is respectively smeared between a first antistatic layer (2) and a base cloth layer (1), between the first antistatic layer (2) and a first flame retardant layer (4), between a second antistatic layer (3) and the base cloth layer (1), between the second antistatic layer (3) and a second flame retardant layer (5) and between two adjacent base cloth layers (1), a plurality of base cloth layers (1), the first antistatic layer (2), the second antistatic layer (3), the first flame retardant layer (4) and the second flame retardant layer (5) are adhered together, and the adhesive is placed in a heat sealing device for heat sealing and reinforcing, so that a filter material is formed.
CN202310240827.9A 2023-03-14 2023-03-14 High-strength filter material and preparation method thereof Pending CN116272129A (en)

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