CN113914103A - Production process for manufacturing flame-retardant sailcloth bag by using waste textiles - Google Patents
Production process for manufacturing flame-retardant sailcloth bag by using waste textiles Download PDFInfo
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- CN113914103A CN113914103A CN202111080152.3A CN202111080152A CN113914103A CN 113914103 A CN113914103 A CN 113914103A CN 202111080152 A CN202111080152 A CN 202111080152A CN 113914103 A CN113914103 A CN 113914103A
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- 239000004753 textile Substances 0.000 title claims abstract description 92
- 239000003063 flame retardant Substances 0.000 title claims abstract description 69
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000002699 waste material Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000000835 fiber Substances 0.000 claims abstract description 82
- 238000005520 cutting process Methods 0.000 claims abstract description 59
- 238000007885 magnetic separation Methods 0.000 claims abstract description 45
- 238000001035 drying Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 27
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- 238000009987 spinning Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000011282 treatment Methods 0.000 claims abstract description 13
- 238000009941 weaving Methods 0.000 claims abstract description 13
- 238000007639 printing Methods 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000002074 melt spinning Methods 0.000 claims abstract description 9
- 238000009958 sewing Methods 0.000 claims abstract description 8
- 229920000728 polyester Polymers 0.000 claims abstract description 7
- 229920000742 Cotton Polymers 0.000 claims abstract description 6
- 239000004760 aramid Substances 0.000 claims abstract description 6
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 6
- 238000007598 dipping method Methods 0.000 claims description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 17
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 15
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 12
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 6
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 6
- AOMUHOFOVNGZAN-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)dodecanamide Chemical compound CCCCCCCCCCCC(=O)N(CCO)CCO AOMUHOFOVNGZAN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 6
- 229940031957 lauric acid diethanolamide Drugs 0.000 claims description 6
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 6
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000008234 soft water Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 241000168254 Siro Species 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims 1
- 230000003749 cleanliness Effects 0.000 abstract description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 5
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- 238000010298 pulverizing process Methods 0.000 description 7
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000007792 addition Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009990 desizing Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000009999 singeing Methods 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
- D03D15/217—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/47—Oxides or hydroxides of elements of Groups 5 or 15 of the Periodic Table; Vanadates; Niobates; Tantalates; Arsenates; Antimonates; Bismuthates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/35—Heterocyclic compounds
- D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
- D06M13/358—Triazines
- D06M13/364—Cyanuric acid; Isocyanuric acid; Derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a production process for manufacturing a flame-retardant sailcloth bag by using waste textiles, and relates to the technical field of sailcloth bag manufacturing. The process flow comprises the steps of waste textile pretreatment, melt spinning, flame retardant finishing, spinning and weaving, padding treatment, printing and sewing; carrying out continuous cutting, crushing and magnetic separation by cutting, crushing and magnetic separation integrated equipment to obtain polyester fiber short filaments with fixed specifications, no metal impurities and high cleanliness, and then carrying out cleaning solution impregnation, filtering and drying by impregnation, filtering and drying equipment to obtain separated fiber short filaments without oil impurities and high cleanliness; in the working procedures of flame retardant finishing and padding treatment, both the flame retardant and the impregnation liquid contain flame retardant components, the regenerated fiber filament and the canvas are subjected to flame retardant finishing, the heat-resistant flame retardant property of the sailcloth bag is improved, and the moisture absorption and air permeability, the strength and the heat-resistant flame retardant property of the sailcloth bag are improved by adding cotton fibers and aramid fibers in the working procedure of spinning and weaving.
Description
Technical Field
The invention relates to the technical field of manufacturing of sailcloth bags, in particular to a production process for manufacturing a flame-retardant sailcloth bag by utilizing waste textiles.
Background
The sack that the canvas was made promptly, along with the environmental protection is advocated more and more, the canvas sack gradually goes into daily life, and designers have added the fashion element again wherein, and this lets the canvas sack get on a fire gradually. The sailcloth bag is relatively environment-friendly, and the durability and the firmness of the sailcloth bag are far higher than those of a non-woven bag.
The flame retardant canvas in the prior art is generally prepared by the procedures of yarn component proportioning, spinning, weaving, impregnation liquid preparation and padding treatment, wherein the weaving procedure adopts an air jet loom or a rapier loom and is carried out according to the following procedures: singeing, desizing, boiling, bleaching, mercerizing, dyeing, flame retarding, ammonia smoking, oxidizing, washing, drying, baking and preshrinking; the process improves the bonding strength of the canvas and ensures the flame retardant property of the canvas. However, the existing process for manufacturing the flame-retardant sailcloth bag by using the waste textiles has few reports, cannot ensure that the sailcloth bag has comprehensive performances of moisture absorption, ventilation, strength, heat resistance, flame retardance and the like, and simultaneously lacks matched equipment for removing dust particles and metal impurities in the textiles so as to improve the cleanliness of textile fiber short yarns.
Disclosure of Invention
The invention aims to provide a production process for manufacturing a flame-retardant sailcloth bag by using waste textiles, which is used for solving the technical problems that the comprehensive performances of moisture absorption, air permeability, strength, heat resistance, flame retardance and the like of the sailcloth bag cannot be guaranteed in the prior art, and matched equipment is not available for removing dust particles and metal impurities in the textiles so as to improve the cleanliness of textile fiber short yarns.
The purpose of the invention can be realized by the following technical scheme:
the production process of producing fire retardant sailcloth bag with waste textile includes the following steps:
pretreatment of waste textiles: cleaning and drying the collected waste textiles, and then carrying out continuous cutting, crushing and magnetic separation procedures through cutting, crushing and magnetic separation integrated equipment to obtain textile fiber short filaments; dipping, filtering and drying the textile fiber short filaments by using dipping, filtering and drying equipment to obtain separated fiber short filaments;
melt spinning: heating and melting the separated short fiber, spinning into tows through a spinneret plate, and drying to obtain regenerated fiber filaments;
and (3) flame-retardant finishing: spraying a flame retardant on the surface of the regenerated fiber filament, and drying to obtain the flame-retardant regenerated fiber filament;
spinning and weaving: selecting 55-80 parts by weight of flame-retardant regenerated fiber filaments, 30-46 parts by weight of cotton fibers and 15-30 parts by weight of aramid fibers, twisting the flame-retardant regenerated fiber filaments into a yarn by adopting a siro spinning process, cutting and finishing to obtain blended yarns; weaving the blended yarns according to the warp density of 45-65 pieces/inch and the weft density of 65-80 pieces/inch to obtain the canvas;
padding treatment: arranging the sails in a dipping solution for padding treatment, and drying for 2-3 hours at 140-160 ℃;
printing and sewing: and printing patterns on the surface of the canvas by adopting screen printing or digital printing, and sewing to obtain the flame-retardant canvas bag.
As a further improved scheme of the invention, in the melt spinning step, heating and melting are carried out and pass through a screw extruder, the extrusion temperature is 270-280 ℃, cooling air at 25-30 ℃ is used for drying, and the air speed of the cooling air is 4-5 m/s.
As a further improved scheme of the invention, the cleaning solution is prepared by mixing the following raw materials in parts by weight: 8-15 parts of hydroxyethyl cellulose, 5-10 parts of fatty alcohol-polyoxyethylene ether, 3-8 parts of sodium bicarbonate, 2-6 parts of lauric acid diethanolamide, 8-15 parts of citric acid and 25-40 parts of ethanol; the waste textile is selected from waste textiles of polyester fiber fabrics.
As a further improved scheme of the invention, the flame retardant is prepared from the following raw materials in parts by weight: 3-6 parts of melamine cyanurate, 1-3 parts of antimony trioxide, 5-12 parts of fatty alcohol-polyoxyethylene ether, 2-5 parts of pentaerythritol and 12-25 parts of ethanol.
As a further improved scheme of the invention, the impregnation liquid is prepared from the following raw materials in parts by weight: 5-10 parts of fatty alcohol-polyoxyethylene ether, 3-6 parts of epoxy resin, 1-3 parts of melamine cyanurate and 220-260 parts of soft water.
As a further improved scheme of the invention, the specific process of cutting and crushing by the cutting, crushing and magnetic separation integrated equipment is as follows: adding the cleaned and dried waste textiles from the feeding hopper, starting a first driving motor, driving a first belt pulley to rotate by the first driving motor, driving a second belt pulley and a roller shaft to rotate by the first belt pulley through a first transmission belt, and enabling a transmission belt to convey the waste textiles to move forwards;
a second driving motor is started, the second driving motor drives a fourth belt pulley to rotate, the fourth belt pulley drives a second transmission belt to rotate, the second transmission belt drives a driving gear to rotate through a third belt pulley, the driving gear drives a driven gear meshed with the driving gear to rotate, and the first rotating shaft and the second rotating shaft rotate along with the driving gear;
in the process that the first rotating shaft and the second rotating shaft rotate, the plurality of first crushing shafts and the plurality of second crushing shafts also rotate along with the first rotating shaft and the second rotating shaft, and the first cutting knife and the second cutting knife which are staggered mutually cut and crush waste textiles, so that warps and wefts of the textiles are separated, and the textile fiber short filaments are obtained through multiple cutting and crushing.
As a further improved scheme of the invention, the specific process of magnetic separation by cutting, crushing and magnetic separation integrated equipment comprises the following steps: open servo motor, servo motor passes through the rotatory magnet of shaft coupling drive and rotates with rotatory section of thick bamboo, and textile fiber staple floats in the magnetic separation box with the help of wind-force, and inside dust particle gets into the collection through the through-hole and subsides in the rotatory section of thick bamboo, and wherein has magnetic metallic impurity and can be adsorbed on rotatory magnet.
As a further improved scheme of the invention, the specific processes of dipping, filtering and drying of the dipping, filtering and drying equipment cleaning solution are as follows: after textile fiber short filaments are added from a feeding hole, the textile fiber short filaments fall onto a filter frame, a booster pump is started, cleaning liquid is sprayed out from a liquid spraying head through a liquid inlet pipe and a liquid inlet cavity to dip and clean the textile fiber short filaments, a driving device drives a rotary gear to rotate, the rotary gear drives a lifting rack meshed with the rotary gear to move upwards, and the lifting rack drives the filter frame to move upwards along a guide column to the position above the cleaning liquid; and after the hot air blower is started, dry hot air is sprayed out through the hot air cavity and the hot air pipe, and the impregnated textile fiber staple fibers in the filter frame are dried by blowing to remove residual moisture and liquid on the surface.
The invention has the following beneficial effects:
1. the method comprises the steps of carrying out continuous cutting, crushing and magnetic separation by cutting, crushing and magnetic separation integrated equipment to obtain polyester fiber short filaments with fixed specifications, no metal impurities and high cleanliness, and then carrying out cleaning solution impregnation, filtering and drying by impregnation, filtering and drying equipment to obtain separated fiber short filaments without oil impurities and high cleanliness; in the working procedures of flame retardant finishing and padding treatment, both the flame retardant and the impregnation liquid contain flame retardant components, the regenerated fiber filament and the canvas are subjected to flame retardant finishing, the heat-resistant flame retardant property of the sailcloth bag is improved, and the moisture absorption and air permeability, the strength and the heat-resistant flame retardant property of the sailcloth bag are improved by adding cotton fibers and aramid fibers in the working procedure of spinning and weaving.
2. Cutting, crushing and magnetic separation integrated equipment is used for cutting and crushing the waste textiles through a first cutting knife and a second cutting knife which are staggered with each other, so that warps and wefts of the textiles are separated, and the textile fiber short filaments are obtained through multiple cutting and crushing; the circular magnetic separation mechanism not only promotes the continuous cutting and crushing of the waste textiles, but also is beneficial to the separation of dust particles and metal impurities in the textiles, and improves the cleanliness of textile fiber short fibers.
3. The dipping, filtering and drying equipment realizes the lifting of the filter frame through the rotating gear and the lifting rack, the contact area of the cleaning liquid and the textile fiber short filaments is increased by spraying the cleaning liquid through the plurality of liquid spraying heads, the cleaning liquid cleans and dissolves away impurities or fibers compatible with the cleaning liquid, and the undissolved fiber short filaments are kept in the filter frame; blowing and drying the short fiber yarns by a plurality of strands of hot air sprayed from the hot air pipes to obtain the separated short fiber yarns for melt spinning.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a production process for manufacturing a flame-retardant sailcloth bag by using waste textiles according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the cutting, crushing and magnetic separation integrated equipment in the embodiment of the invention;
FIG. 3 is a schematic structural diagram of the cutting, crushing and magnetic separation integrated equipment in the embodiment of the invention after a transport box body and a magnetic separation box body are removed;
FIG. 4 is a schematic diagram of a matching structure of the cutting and pulverizing mechanism in the embodiment of the present invention, in which a second driving motor and a second driving belt are not shown;
FIG. 5 is a schematic view of the engagement structure of the first pulverizing shaft and the first cutter in the embodiment of the present invention;
FIG. 6 is an exploded view of a magnetic separation structure in an embodiment of the present invention;
FIG. 7 is a schematic structural view of an immersion filter drying apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of the immersion filter drying apparatus in a dry state according to the embodiment of the present invention.
Reference numerals: 100. a frame; 200. a conveying mechanism; 210. transporting the box body; 211. a feed hopper; 220. a first drive motor; 230. a first drive belt; 240. a conveyor belt; 241. a roll shaft; 242. a second pulley; 250. a first pulley; 300. a cutting and crushing mechanism; 310. cutting and crushing chambers; 320. a second drive motor; 321. a fourth belt pulley; 330. a driving gear; 331. a first rotating shaft; 332. a third belt pulley; 340. a driven gear; 341. a second rotating shaft; 342. a rotating bearing; 343. a first crushing shaft; 344. a first cutter; 345. a second crushing shaft; 346. a second cutter; 350. a second drive belt; 400. a circulating magnetic separation mechanism; 410. a magnetic separation box body; 411. a filter screen; 412. a blowing cavity; 413. an air blowing port; 420. a blower; 430. a magnetic separation structure; 431. a servo motor; 432. rotating the magnet; 433. a rotary drum; 434. a coupling; 435. a through hole; 436. a connecting shaft; 500. a dipping tank; 501. a feed inlet; 510. a rotating gear; 520. a lifting rack; 530. a filter frame; 540. a baffle plate; 550. a guide post; 551. t-shaped clamping pieces; 560. a hot air blower; 570. a hot air cavity; 580. a hot air pipe; 590. a booster pump; 591. a liquid inlet pipe; 592. a liquid inlet cavity; 593. and a liquid spray head.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the embodiment provides a production process for manufacturing a flame-retardant sailcloth bag by using waste textiles, which comprises the following steps:
pretreatment of waste textiles: cleaning and drying the collected waste textiles, and then carrying out continuous cutting, crushing and magnetic separation procedures through cutting, crushing and magnetic separation integrated equipment to obtain textile fiber short filaments; dipping, filtering and drying the textile fiber short filaments by using dipping, filtering and drying equipment to obtain separated fiber short filaments; the cleaning solution is prepared by mixing the following raw materials in parts by weight: 8-15 parts of hydroxyethyl cellulose, 5-10 parts of fatty alcohol-polyoxyethylene ether, 3-8 parts of sodium bicarbonate, 2-6 parts of lauric acid diethanolamide, 8-15 parts of citric acid and 25-40 parts of ethanol; the waste textile is selected from waste textiles of polyester fiber fabrics. The cleaning liquid contains hydroxyethyl cellulose with thickening, suspending and emulsifying functions, and surfactants fatty alcohol-polyoxyethylene ether and lauric acid diethanolamide, can well dissolve and wash oil stains on the surfaces of the waste textiles, and keeps cleanliness after impregnation, filtration and drying.
Melt spinning: heating and melting the separated short fiber, spinning into tows through a spinneret plate, and drying to obtain regenerated fiber filaments; wherein the heating and melting are carried out through a screw extruder, the extrusion temperature is 270-280 ℃, the drying is carried out by using cooling air at the temperature of 25-30 ℃, and the air speed of the cooling air is 4-5 m/s.
And (3) flame-retardant finishing: spraying a flame retardant on the surface of the regenerated fiber filament, and drying to obtain the flame-retardant regenerated fiber filament; the flame retardant is prepared from the following raw materials in parts by weight: 3-6 parts of melamine cyanurate, 1-3 parts of antimony trioxide, 5-12 parts of fatty alcohol-polyoxyethylene ether, 2-5 parts of pentaerythritol and 12-25 parts of ethanol. The flame retardant contains three flame-retardant components, namely melamine cyanurate, antimony trioxide and pentaerythritol, and is matched with the surface activity of fatty alcohol-polyoxyethylene ether, and various flame-retardant components are synergistically combined with the surface of the regenerated fiber filament, so that the heat-resistant flame-retardant property of the regenerated fiber filament is improved.
Spinning and weaving: selecting 55-80 parts by weight of flame-retardant regenerated fiber filaments, 30-46 parts by weight of cotton fibers and 15-30 parts by weight of aramid fibers, twisting the flame-retardant regenerated fiber filaments into a yarn by adopting a siro spinning process, cutting and finishing to obtain blended yarns; weaving the blended yarns according to the warp density of 45-65 pieces/inch and the weft density of 65-80 pieces/inch to obtain the canvas;
padding treatment: arranging the sails in a dipping solution for padding treatment, and drying for 2-3 hours at 140-160 ℃; the impregnation liquid is prepared from the following raw materials in parts by weight: 5-10 parts of fatty alcohol-polyoxyethylene ether, 3-6 parts of epoxy resin, 1-3 parts of melamine cyanurate and 220-260 parts of soft water; the dipping solution contains a flame-retardant component melamine cyanurate, so that the dipping solution is permeated and combined into the canvas in the padding treatment process, and the flame retardant property of the canvas is further improved.
Printing and sewing: and printing patterns on the surface of the canvas by adopting screen printing or digital printing, and sewing to obtain the flame-retardant canvas bag.
The production process for manufacturing the flame-retardant sailcloth bag by using the waste textiles comprises the steps of waste textile pretreatment, melt spinning, flame-retardant finishing, spinning and weaving, padding treatment, printing and sewing; the method comprises the steps of selecting waste textiles of polyester fiber fabrics in the pretreatment of the waste textiles, carrying out continuous cutting, crushing and magnetic separation through a cutting, crushing and magnetic separation integrated device which is independently developed to obtain polyester fiber short filaments which are fixed in specification, free of metal impurities and high in cleanliness, and carrying out cleaning liquid impregnation, filtering and drying through an impregnation, filtering and drying device which is independently developed to obtain separated fiber short filaments which are free of oil impurities and high in cleanliness; in the working procedures of flame retardant finishing and padding treatment, both the flame retardant and the impregnation liquid contain flame retardant components, the regenerated fiber filament and the canvas are subjected to flame retardant finishing, the heat-resistant flame-retardant performance of the sailcloth bag is improved, and the moisture absorption and air permeability, the strength and the high temperature resistance of the sailcloth bag are improved by adding cotton fibers and aramid fibers in the working procedure of spinning and weaving; the production process recycles the waste textiles, can obtain regenerated fiber filaments with high cleanliness, can also obtain a moisture-absorbing, breathable, high-strength, heat-resistant and flame-retardant sailcloth bag, and is suitable for large-scale application.
Example 2
The difference between the embodiment and the embodiment 1 is that the cleaning solution is prepared by mixing the following raw materials in parts by weight: 14 parts of hydroxyethyl cellulose, 9 parts of fatty alcohol-polyoxyethylene ether, 6 parts of sodium bicarbonate, 5 parts of lauric acid diethanolamide, 12 parts of citric acid and 35 parts of ethanol.
The flame retardant is prepared from the following raw materials in parts by weight: 5 parts of melamine cyanurate, 3 parts of antimony trioxide, 11 parts of fatty alcohol-polyoxyethylene ether, 4 parts of pentaerythritol and 22 parts of ethanol.
The impregnation liquid is prepared from the following raw materials in parts by weight: 9 parts of fatty alcohol-polyoxyethylene ether, 5 parts of epoxy resin, 3 parts of melamine cyanurate and 252 parts of soft water.
Example 3
The difference between the embodiment and the embodiment 1 is that the cleaning solution is prepared by mixing the following raw materials in parts by weight: 13 parts of hydroxyethyl cellulose, 8 parts of fatty alcohol-polyoxyethylene ether, 6 parts of sodium bicarbonate, 5 parts of lauric acid diethanolamide, 13 parts of citric acid and 35 parts of ethanol.
The flame retardant is prepared from the following raw materials in parts by weight: 5 parts of melamine cyanurate, 2 parts of antimony trioxide, 10 parts of fatty alcohol-polyoxyethylene ether, 4 parts of pentaerythritol and 18 parts of ethanol.
The impregnation liquid is prepared from the following raw materials in parts by weight: 8 parts of fatty alcohol-polyoxyethylene ether, 4 parts of epoxy resin, 2 parts of melamine cyanurate and 250 parts of soft water.
Example 4
As shown in fig. 2-3, the present embodiment provides a cutting, crushing and magnetic separation integrated device for continuously cutting, crushing and removing magnetic metal impurities from washed and dried waste textiles, which includes a rack 100, a conveying mechanism 200, a cutting and crushing mechanism 300 and a circular magnetic separation mechanism 400, wherein the conveying mechanism 200 is disposed on one side of the top of the rack 100, the cutting and crushing mechanism 300 is disposed on the other side of the top of the rack 100, and the circular magnetic separation mechanism 400 is disposed below the cutting and crushing mechanism 300.
Specifically, the conveying mechanism 200 includes a conveying box 210, a first driving motor 220, a first transmission belt 230, and a transmission belt 240, wherein the first driving motor 220 is installed on a side wall of the rack 100, a first belt pulley 250 is tightly fitted on a motor shaft of the first driving motor 220, the transmission belt 240 is located in the conveying box 210, a plurality of roller shafts 241 are arranged in an area surrounded by the transmission belt 240, a second belt pulley 242 is connected to an end portion of one of the roller shafts 241 close to the first driving motor 220, the first transmission belt 230 is tightly wound around peripheries of the first belt pulley 250 and the second belt pulley 242, and a feeding hopper 211 is arranged at a top portion of one side of the conveying box 210, which is far away from the cutting and crushing mechanism 300.
When the cleaned and dried waste textiles are fed from the feeding hopper 211, the first driving motor 220 is turned on, the first driving motor 220 drives the first belt pulley 250 to rotate, and the first belt pulley 250 drives the second belt pulley 242 and the roller 241 to rotate through the first transmission belt 230, so that the waste textiles are conveyed by the conveying belt 240 to move forward.
As shown in fig. 2-5, the cutting and pulverizing mechanism 300 includes a cutting and pulverizing chamber 310, a second driving motor 320, a driving gear 330, and a driven gear 340, the second driving motor 320 is disposed above the frame 100, the driving gear 330 and the driven gear 340 are both disposed outside the same side of the cutting and pulverizing chamber 310 and are engaged with each other, a first rotating shaft 331 extending into the cutting and pulverizing chamber 310 is disposed at the axis of the driving gear 330, a second rotating shaft 341 extending into the cutting and pulverizing chamber 310 is disposed at the axis of the driven gear 340, a third belt pulley 332 is disposed outside the driving gear 330 at the end of the first rotating shaft 331, a fourth belt pulley 321 is tightly fitted to the motor shaft of the second driving motor 320, and a second transmission belt 350 is tightly wound around the peripheries of the third belt pulley 332 and the fourth belt pulley 321. After the second driving motor 320 is turned on, the second driving motor 320 drives the fourth belt pulley 321 to rotate, the fourth belt pulley 321 drives the second transmission belt 350 to rotate, the second transmission belt 350 drives the driving gear 330 to rotate through the third belt pulley 332, the driving gear 330 drives the driven gear 340 engaged with the driving gear 330 to rotate, and the first rotating shaft 331 and the second rotating shaft 341 both rotate along with the driving gear.
The other ends of the first rotating shaft 331 and the second rotating shaft 341 are respectively provided with a rotating bearing 342, a plurality of first crushing shafts 343 are arranged on the periphery of the first rotating shaft 331 between the rotating bearing 342 and the driving gear 330 at equal intervals, and a plurality of first cutting knives 344 are distributed on the periphery of the first crushing shafts 343 in an annular array; a plurality of second crushing shafts 345 are equidistantly arranged on the periphery of the second rotating shaft 341 between the rotating bearing 342 and the driven gear 340, a plurality of second cutting knives 346 are distributed on the periphery of the second crushing shafts 345 in an annular array, and the first cutting knives 344 and the second cutting knives 346 are arranged in a staggered manner. In the process that the first rotating shaft 331 and the second rotating shaft 341 rotate, the plurality of first crushing shafts 343 and the plurality of second crushing shafts 345 rotate along with the first rotating shaft, and the first cutting knives 344 and the second cutting knives 346 which are staggered mutually cut and crush the waste textiles, so that the warps and the wefts of the textiles are separated, and the textile fiber staple is obtained by cutting and crushing for multiple times.
As shown in fig. 2-3 and fig. 6, the circulating magnetic separation mechanism 400 includes a magnetic separation box 410, a blower 420, and a magnetic separation structure 430, wherein the magnetic separation box 410 is disposed below the cutting and crushing chamber 310, and a filter screen 411 is disposed at the junction of the two, the blower 420 is disposed on the outer wall of the magnetic separation box 410 and is connected to a blowing cavity 412 disposed on the inner wall of the magnetic separation box 410 through a blowing pipe, the blowing cavity 412 is connected to a plurality of blowing ports 413 inclined upward, and the mesh diameter of the filter screen 411 is 1-2 cm; the magnetic separation structure 430 comprises a servo motor 431, a rotating magnet 432 and a rotating cylinder 433, wherein the servo motor 431 is connected with the rotating magnet 432 arranged in the magnetic separation box body 410 through a coupler 434 after extending into the bottom of the rack 100, the rotating cylinder 433 is sleeved on the periphery of the rotating magnet 432, through holes 435 with the diameter of 1-2 cm are uniformly distributed on the rotating cylinder 433, permanent magnets are distributed on the periphery of the rotating magnet 432, and one end of the rotating magnet 432 is provided with a connecting shaft 436 connected with the coupler 434.
When the waste textiles are crushed to be smaller than the mesh size of the filter screen 411 and then enter the magnetic separation box 410, wind power generated by the air blower 420 enters the plurality of air blowing ports 413 through the air blowing cavity 412, the waste textiles which do not enter the magnetic separation box 410 are blown into the cutting and crushing chamber 310 to be continuously cut and crushed until textile fiber short filaments with the size smaller than the mesh size of the filter screen 411 are obtained; after the servo motor 431 is started, the servo motor 431 drives the rotary magnet 432 and the rotary barrel 433 to rotate through the coupler 434, textile fiber short filaments float in the magnetic separation box body 410 by virtue of wind power, and dust particles in the textile fiber short filaments enter the rotary barrel 433 through the through holes 435 for collection and sedimentation, wherein magnetic metal impurities are adsorbed on the rotary magnet 432; the circular magnetic separation mechanism 400 not only promotes the continuous cutting and crushing of the waste textiles, but also facilitates the separation of dust particles and metal impurities in the textiles, and improves the cleanliness of textile fiber short fibers.
Example 5
As shown in fig. 7-8, the embodiment provides a dipping filtering and drying apparatus, which includes a dipping box 500, a lifting filtering mechanism and a drying mechanism are disposed in the dipping box 500, the lifting filtering mechanism includes a rotary gear 510, a lifting rack 520, and a filtering frame 530, the rotary gear 510 is driven by a driving device such as a driving motor to rotate, the lifting rack 520 penetrates through the top center of the dipping box 500 and extends into the cavity of the dipping box 500, the rotary gear 510 is disposed on the top of the dipping box 500 and is engaged with the lifting rack 520, the filtering frame 530 is disposed on the bottom periphery of the lifting rack 520, baffles 540 are disposed on two sides of the filtering frame 530, a guide post 550 penetrates through the baffles 540, one end of the guide post 550 is connected with the bottom of the dipping box 500, and a T-shaped fastener 551 is disposed on the other end; the drying mechanism comprises a hot air blower 560, a hot air cavity 570 and hot air pipes 580, the hot air blower 560 is arranged on two sides of the top of the dipping box 500, the section of the hot air cavity 570 is U-shaped and is arranged in the shell of the dipping box 500, the hot air blower 560 is communicated with the hot air cavity 570, and the hot air pipes 580 are arranged on the inner wall of the hot air cavity 570 and are communicated with the hot air cavity 570; the diameter of the filtering holes of the filtering frame 530 is 1-2 cm.
The top of flooding box 500 is equipped with feed inlet 501, and the bottom is equipped with booster pump 590, and booster pump 590 is connected with the feed liquor pipe 591 that stretches into from flooding box 500 bottom, and the tip of feed liquor pipe 591 is equipped with horizontally feed liquor chamber 592, is equipped with a plurality of hydrojet heads 593 up on the feed liquor chamber 592.
The arrangement of the dipping filtering drying device is that textile fiber short filaments are added from the feeding hole 501 and then fall onto the filter frame 530, the booster pump 590 is started, cleaning liquid is sprayed out from the liquid spraying head 593 through the liquid inlet pipe 591 and the liquid inlet cavity 592 to dip and clean the textile fiber short filaments, after the textile fiber short filaments are cleaned for a period of time, the driving device drives the rotary gear 510 to rotate, the rotary gear 510 drives the lifting rack 520 engaged with the rotary gear to move upwards, and the lifting rack 520 drives the filter frame 530 to move upwards to the upper part of the cleaning liquid along the guide column 550; after the hot air blower 560 is turned on, dry hot air is blown out through the hot air chamber 570 and the hot air pipe 580 to dry the impregnated textile fiber staple in the filter frame 530 by blowing, so as to remove residual moisture and liquid on the surface.
The dipping, filtering and drying equipment realizes the lifting of the filter frame 530 through the rotating gear 510 and the lifting rack 520, the contact area of the cleaning liquid and the textile fiber short filaments is increased by the cleaning liquid sprayed by the plurality of liquid spraying heads 593, the cleaning liquid cleans and dissolves away impurities or fibers compatible with the cleaning liquid, and the undissolved fiber short filaments are kept in the filter frame 530; the short fiber is blown and dried by a plurality of hot air jets from the hot air pipe 580 to obtain the separated short fiber for melt spinning.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The production process for manufacturing the flame-retardant sailcloth bag by utilizing the waste textiles is characterized by comprising the following steps of:
pretreatment of waste textiles: cleaning and drying the collected waste textiles, and then carrying out continuous cutting, crushing and magnetic separation procedures through cutting, crushing and magnetic separation integrated equipment to obtain textile fiber short filaments; dipping, filtering and drying the textile fiber short filaments by using dipping, filtering and drying equipment to obtain separated fiber short filaments;
melt spinning: heating and melting the separated short fiber, spinning into tows through a spinneret plate, and drying to obtain regenerated fiber filaments;
and (3) flame-retardant finishing: spraying a flame retardant on the surface of the regenerated fiber filament, and drying to obtain the flame-retardant regenerated fiber filament;
spinning and weaving: selecting 55-80 parts by weight of flame-retardant regenerated fiber filaments, 30-46 parts by weight of cotton fibers and 15-30 parts by weight of aramid fibers, twisting the flame-retardant regenerated fiber filaments into a yarn by adopting a siro spinning process, cutting and finishing to obtain blended yarns; weaving the blended yarns according to the warp density of 45-65 pieces/inch and the weft density of 65-80 pieces/inch to obtain the canvas;
padding treatment: arranging the sails in a dipping solution for padding treatment, and drying for 2-3 hours at 140-160 ℃;
printing and sewing: and printing patterns on the surface of the canvas by adopting screen printing or digital printing, and sewing to obtain the flame-retardant canvas bag.
2. The production process for manufacturing the flame-retardant sailcloth bag by using the waste textiles according to claim 1, wherein in the step of melt spinning, the melt is heated and melted to pass through a screw extruder, the extrusion temperature is 270-280 ℃, the drying is carried out by using cooling air at 25-30 ℃, and the wind speed of the cooling air is 4-5 m/s.
3. The production process for manufacturing the flame-retardant sailcloth bag by using the waste textiles according to claim 1, characterized in that the cleaning solution is prepared by mixing the following raw materials in parts by weight: 8-15 parts of hydroxyethyl cellulose, 5-10 parts of fatty alcohol-polyoxyethylene ether, 3-8 parts of sodium bicarbonate, 2-6 parts of lauric acid diethanolamide, 8-15 parts of citric acid and 25-40 parts of ethanol; the waste textile is selected from waste textiles of polyester fiber fabrics.
4. The production process for manufacturing the flame-retardant sailcloth bag by using the waste textiles according to claim 1, wherein the flame retardant is prepared from the following raw materials in parts by weight: 3-6 parts of melamine cyanurate, 1-3 parts of antimony trioxide, 5-12 parts of fatty alcohol-polyoxyethylene ether, 2-5 parts of pentaerythritol and 12-25 parts of ethanol.
5. The production process for manufacturing the flame-retardant sailcloth bag by using the waste textiles according to claim 1, wherein the impregnation liquid is prepared from the following raw materials in parts by weight: 5-10 parts of fatty alcohol-polyoxyethylene ether, 3-6 parts of epoxy resin, 1-3 parts of melamine cyanurate and 220-260 parts of soft water.
6. The production process for manufacturing the flame-retardant sailcloth bag by using the waste textiles according to claim 1, wherein the specific processes of cutting, crushing and magnetic separation by the cutting, crushing and magnetic separation integrated equipment are as follows: adding the cleaned and dried waste textiles from a feed hopper (211), starting a first driving motor (220), driving a first belt pulley (250) to rotate by the first driving motor (220), and driving a second belt pulley (242) and a roller shaft (241) to rotate by the first belt pulley (250) through a first transmission belt (230), so that the waste textiles are conveyed by a conveying belt (240) to move forwards;
the second driving motor (320) is started, the second driving motor (320) drives the fourth belt pulley (321) to rotate, the fourth belt pulley (321) drives the second transmission belt (350) to rotate, the second transmission belt (350) drives the driving gear (330) to rotate through the third belt pulley (332), the driving gear (330) drives the driven gear (340) meshed with the driving gear to rotate, and the first rotating shaft (331) and the second rotating shaft (341) rotate along with the driving gear;
in the rotating process of the first rotating shaft (331) and the second rotating shaft (341), the plurality of first crushing shafts (343) and the plurality of second crushing shafts (345) also rotate along with the first rotating shaft, and the first cutting knife (344) and the second cutting knife (346) which are staggered mutually cut and crush the waste textiles, so that warps and wefts of the textiles are separated, and the textile fiber short filaments are obtained by cutting and crushing for multiple times.
7. The production process for manufacturing the flame-retardant sailcloth bag by using the waste textiles according to claim 1, wherein the specific process of magnetic separation by the cutting, crushing and magnetic separation integrated equipment is as follows: the servo motor (431) is started, the servo motor (431) drives the rotary magnet (432) and the rotary drum (433) to rotate through the coupler (434), textile fiber short filaments float in the magnetic separation box body (410) through wind power, internal dust particles enter the rotary drum (433) through the through holes (435) for collection and sedimentation, and magnetic metal impurities are adsorbed on the rotary magnet (432).
8. The production process for manufacturing the flame-retardant sailcloth bag by using the waste textiles according to claim 1, wherein the specific processes of dipping, filtering and drying by using the dipping, filtering and drying equipment are as follows: after textile fiber short filaments are added from a feeding hole (501), the textile fiber short filaments fall onto a filter frame (530), a booster pump (590) is started, cleaning liquid is sprayed out from a liquid spraying head (593) through a liquid inlet pipe (591) and a liquid inlet cavity (592) to dip and clean the textile fiber short filaments, a driving device drives a rotating gear (510) to rotate, the rotating gear (510) drives a lifting rack (520) meshed with the rotating gear to move upwards, and the lifting rack (520) drives the filter frame (530) to move upwards to the position above the cleaning liquid along a guide column (550); after the hot air blower (560) is started, dry hot air is sprayed out through the hot air cavity (570) and the hot air pipe (580), and the impregnated textile fiber staple fibers in the filter frame (530) are dried by blowing, so that residual moisture and liquid on the surface are removed.
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