CN113584780B - Flame-retardant and molten metal impact resistant fabric and preparation system and preparation method thereof - Google Patents
Flame-retardant and molten metal impact resistant fabric and preparation system and preparation method thereof Download PDFInfo
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- CN113584780B CN113584780B CN202110896260.1A CN202110896260A CN113584780B CN 113584780 B CN113584780 B CN 113584780B CN 202110896260 A CN202110896260 A CN 202110896260A CN 113584780 B CN113584780 B CN 113584780B
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- D—TEXTILES; PAPER
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- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
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- D—TEXTILES; PAPER
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- 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
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- 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
- D03D15/242—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 inorganic, e.g. basalt
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- 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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- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
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- 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
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- 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
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
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Abstract
The invention discloses a preparation system of flame-retardant and molten metal impact resistant fabric under a bombing condition, which relates to the technical field of fabric preparation and comprises dyeing and finishing equipment, wherein the dyeing and finishing equipment comprises a pretreatment component, a dyeing and finishing component and a drying component, the pretreatment component is used for obtaining grey cloth and removing impurities on the grey cloth, the dyeing and finishing component is also used for conveying the grey cloth into the dyeing and finishing component, the dyeing and finishing component comprises a dye pool, a guide-in roller, a first treatment roller, a second treatment roller, a guide-out roller, a first spraying structure and a second spraying structure, dye mediums are uniformly distributed in the dye pool, and the drying component is used for drying the grey cloth guided out of the guide-out roller and rolling the grey cloth in the drying process; also discloses a preparation method of the flame-retardant and molten metal impact-resistant fabric under the condition of flash combustion. The invention has the advantages of good flame retardant effect, molten metal impact resistance and high preparation efficiency of the prepared fabric.
Description
Technical Field
The invention relates to the technical field of fabric preparation, in particular to a flame-retardant and molten metal impact resistant fabric under a bombing condition, and a preparation system and a preparation method thereof.
Background
Bombing is a special phenomenon similar to deflagration that occurs when a fire in a limited space progresses to a certain stage. The bombing combustion is that the combustible gas reaches the ignition concentration limit along with the continuous increase of the combustion intensity of the initial fire, and the temperature rise caused by the heat radiation feedback to dangerous values (generally about 500 ℃) is the beginning of the comprehensive development of the initial fire to the fire, and is also the turning of the local part of the indoor fire system to the full-chamber combustion. When the bombing combustion occurs, the originally local, low-strength and small-range combustion rapidly expands into the whole space, and the fire spreading rapidly expands. The bombing burns to generate radiant heat for burning human skin, and the radiant heat strength can reach 10kw/m after a few seconds 2 And the indoor personnel may be burned by the suddenly sprayed flames. Compared with the prior art, the building structure is stronger and has good sealing performance, and the probability of bombing is greatly increased. Therefore, the method has important significance for reducing the injury to human bodies under the bombing condition.
Regarding the requirement of flame retardant protection effect under bombing conditions, there is no requirement in this respect before domestic, in the new standard of GB8965.1-2020 "protective clothing flame retardant clothing" to be implemented in 8 months 1 of 2021, compared with the old standard GB8965.1-2009 "protective clothing flame retardant protection part 1: flame retardant garment adds the dummies bombing test, and adopts ISO13506-1, part 1 of heat-proof and fire-proof protective garment: the test method of the complete clothing uses the test method in the test of the transfer energy by the dummy equipped with the instrument, can simulate the bombing phenomenon, calculate the burn degree and draw the burn map of the human surface, simulate the heat insulation performance of the flame-retardant clothing, and can rapidly and directly evaluate the integral thermal protection standard specification of the flame-retardant clothing. The sum of the areas of the second-level burn and the third-level burn of the dummy is not more than 25% of the total area of the flame retardant garment A; the sum of the areas of the secondary burn and the third burn of the dummy is not more than 50% of the total area of the flame retardant garment B. The existing tools are used for taking flame-retardant fabrics, most of the flame-retardant finished cotton fabrics can generally only meet the tests (such as a vertical method, a horizontal method, a 45 ℃ combustion method and the like) for causing combustion when contacting an open fire source, the flame states of the test conditions are relatively stable, the actual fire scene conditions are far from the flame states, and the fabric which can only pass the tests can not meet the protection requirements of clothing in the real fire scene environment. The professional fireproof clothes are formed by compounding multiple layers of fabrics, are heavy to wear, cannot perform normal production activities, and are not suitable for daily operations in industrial environments.
The protection of the molten metal is always a difficult problem, and the traditional protection means mostly adopts a thick cotton canvas fabric with the gram weight of unit fabric exceeding 350g/m < 2 >, and the traditional protection means are favorable for improving the protection capability of the molten metal by virtue of flame-retardant finishing, but still have the conditions of burning-through and the like; although the aluminum film composite fabric has good protective performance, the fabric has poor air permeability and poor wearing comfort; another type of thick fabric prepared by using cowhide or wool as a main material is too high in gram weight on one hand and poor in dimensional stability after washing on the other hand. The aramid fiber flame-retardant protective clothing mainly has the defect of poor moisture absorption and air permeability, has higher price and only has a small part of application, and in a word, the existing fabric has the disadvantage of being difficult to overcome. Meanwhile, the fabric preparation system plays a vital role in improving the surface structural strength, the molten metal impact resistance and other performances of the fabric, but the existing fabric preparation system has limited promotion effects in the aspects.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a flame-retardant and molten metal impact-resistant fabric under a bombarding condition, and a preparation system and a preparation method thereof.
The preparation system of the flame-retardant and molten metal impact resistant fabric under the condition of flash fire comprises dyeing and finishing equipment, wherein the dyeing and finishing equipment comprises a pretreatment component, a dyeing and finishing component and a drying component; the pretreatment component is used for obtaining the grey cloth, removing impurities on the grey cloth and sending the grey cloth into the dyeing and finishing component; the dyeing and finishing assembly comprises a dye pond, a leading-in roller, a first processing roller, a second processing roller, a leading-out roller, a first spraying structure and a second spraying structure, wherein dye media are uniformly distributed in the dye pond, the first processing roller, the second processing roller, the leading-out roller, the first spraying structure and the second spraying structure are all arranged in the dye pond, grey cloth fed into the dyeing and finishing assembly sequentially passes through the leading-in roller, passes through the first processing roller anticlockwise, passes through the second processing roller clockwise and passes through the leading-out roller anticlockwise, a first spraying structure is arranged at the bottom of the dye pond, the first spraying structure comprises a plurality of telescopic first spray guns, the first spray guns are opposite to the bottom surface of the grey cloth on the first processing roller, the distances between the first spray guns and the bottom surface of the grey cloth are all equal, the second spraying structure is arranged at the top of the dye pond, the second spraying structure comprises a plurality of telescopic second spray guns, the second spray guns are opposite to the top surface of the grey cloth on the second processing roller, and the distance between the second spray guns and the first spray guns and the dye medium are all equal; the drying component is used for drying the grey cloth guided out from the guiding-out roller and rolling the grey cloth in the drying process.
Preferably, the pretreatment assembly further comprises a conductive assembly, wherein the conductive assembly comprises two conductive plates which are opposite to each other and are connected with a positive electrode, the grey cloth entering the introduction roller can pass through the gap between the two conductive plates, and the first spray gun and the second spray gun are connected with a negative electrode. The conductive component can enable the grey cloth to carry positive charges, and meanwhile, the first spray gun and the second spray gun can enable dye media to carry negative charges, so that when the sprayed dye media contact the grey cloth, due to mutual attraction between the positive charges and the negative charges, the permeability of the dye media in the grey cloth is further promoted, the combination stability degree of the dye media and fibers in the fabric is further promoted, and dyeing and finishing treatment effects are further improved.
Preferably, the first spray knot structure further comprises a first backflow body, the first spray gun is arranged on the top of the first backflow body, the first backflow body is used for adjusting the length of the first spray gun and sucking dye media and the impact body in the dye pond into the first spray gun; the second spraying structure further comprises a second backflow body, the second spraying gun is arranged at the bottom of the second backflow body, and the second backflow body is used for adjusting the length of the second spraying gun and sucking dye media and the impact body in the dye pool into the second spraying gun. The first reflux will continue to draw in the dye media and impactor from the dye reservoir into the first spray gun, and likewise, the second reflux will continue to draw in the dye media and impactor from the dye reservoir into the second spray gun.
Preferably, the first spray gun and the second spray gun are identical in structure, and each of them comprises: a telescopic tube group; the sealing rubber sleeve is sleeved on the telescopic tube group; the ejection tube is arranged in the center of the telescopic tube group; the telescopic tube set is used for jetting dye media, the telescopic tube set is further used for increasing or decreasing the length after telescopic, the sealing rubber sleeve is used for isolating the dye media from the outer wall of the telescopic tube set, and the ejection tube is used for jetting the impact body. The telescopic tube group is driven by the first fluid return or the second fluid return to perform telescopic movement, and the sealing rubber sleeve can effectively seal the gap on the outer wall of the telescopic tube group to prevent dye media from accidentally penetrating.
Preferably, the yarn processing device and the weaving device are also included; the yarn manufacturing and selecting equipment is used for preparing single-component yarns, double-component yarns, three-component yarns and four-component yarns, wherein the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns are respectively formed by one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber, one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns is selected as warp yarns, one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns is selected as weft yarns, and the combination of the warp yarns and the weft yarns needs to comprise pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber; the weaving equipment is used for weaving the obtained warp yarns and weft yarns according to a preset weave structure to obtain the grey cloth fabric, wherein the preset weave structure comprises any one or more of plain weave, twill weave, change weave, joint weave, jacquard weave and complex weave. The fabric is formed by interweaving warp yarns and weft yarns, the warp yarns are one of single-component yarns, double-component yarns, three-component yarns and four-component yarns, and the weft yarns are one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns; wherein the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn are respectively composed of one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber; the fabric comprises pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber, wherein the mass fraction of the pre-oxidized fiber accounts for 30-70%, the mass fraction of the carbon fiber accounts for 20-50%, the mass fraction of the aramid fiber accounts for 30-70%, and the mass fraction of the cellulose fiber accounts for 1-20%; the plain weave is formed by interweaving warp yarns and weft yarns one above the other; the twill is embodied in that interweaving points of warp yarns and weft yarns form twill lines with a certain angle on the surface of the fabric; the change structure is a structure obtained by changing one or more of the factors of the floating length, the flying number, the direction of the arranged diagonal lines, the yarn circulation number and the like of the structure point on the basis of the original structure; at least one of warp and weft yarns forming the fabric consists of two or more than two system yarns; the jacquard weave is a concave-convex pattern formed by staggering warp yarns and weft yarns. The flame-retardant cellulose fiber is any one of a blend flame-retardant modified cellulose fiber, a graft copolymerization flame-retardant modified cellulose fiber and a post-finishing flame-retardant modified cellulose fiber. The blending flame-retardant modified cellulose fiber is characterized in that a flame retardant is added into a viscose spinning solution, and the flame retardant is inlaid on the fiber when the blending solution is solidified to form, so that the fiber has a permanent flame-retardant effect; the graft copolymerization flame-retardant modified cellulose fiber is divided into free radical polymerization, ionic polymerization and polycondensation, so that the defects of the cellulose fiber can be improved, the original excellent performance of cellulose limitation can be maintained, and the functional cellulose fiber with strong flame-retardant property can be prepared.
The invention also provides a preparation method of the flame-retardant and molten metal impact resistant fabric under the condition of bombing, which is characterized by comprising the preparation system in any one of the embodiments, and the method comprises the following steps: s1, preparing single-component yarns, double-component yarns, three-component yarns and four-component yarns by adopting yarn preparation equipment, wherein the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns are respectively formed by one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber; s2, selecting one of a single-component yarn, a double-component yarn, a three-component yarn and a four-component yarn as warp yarns by adopting yarn manufacturing equipment, and selecting one of the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn as weft yarns, wherein the combination of the warp yarns and the weft yarns comprises pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber; s3, weaving the obtained warp yarns and weft yarns according to a preset weave structure by adopting weaving equipment to obtain a grey cloth fabric, wherein the weave structure comprises any one or more of plain weave, twill weave, change weave, joint weave, jacquard weave and complex weave; s4, dyeing and finishing the preset grey fabric by adopting dyeing and finishing equipment to obtain the finished fabric.
Preferably, S1 comprises: s11, obtaining pre-oxidized fiber, carbon fiber, aramid fiber and cellulose fiber; s12, one, two, three and four of the obtained four fibers are proportioned one by one to sequentially form a single-component raw material, a double-component raw material, a three-component raw material and a four-component raw material; s13, sequentially carrying out opening picking, carding, first drawing, second drawing, roving, spinning, winding, doubling and double twisting on the single-component raw material, the double-component raw material, the three-component raw material and the four-component raw material to prepare the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn.
Preferably, the S3 includes: s31, warping and sizing the obtained warp yarns and weft yarns, and then drying the warp yarns and weft yarns; s32, sequentially carrying out warp penetration, weaving, grey cloth inspection and repair weaving after drying is finished, and obtaining the grey cloth fabric with the preset organization structure.
Preferably, in the step S31, sizing is performed by using sizing agent, wherein the sizing agent adopts polyvinyl alcohol and DM-893 starch mixed water in a ratio of 5:5, the concentration range of the sizing agent is 6% -8%, and the sizing rate is 3% -4%.
Preferably, the S4 includes: s41, sequentially desizing, washing and drying the grey fabric, wherein the washing adopts open-width washing, 0.04-0.1 g/L of deoiling agent is added, and the washing is carried out for 8-10 times at the temperature of about 40 ℃; s42, dyeing, shaping, baking and rolling the dried grey fabric in sequence to obtain the finished fabric.
The fabric is prepared by the preparation system, and the fabric is prepared by the preparation method; the fabric is formed by interweaving warp yarns and weft yarns, and a weave structure is formed, wherein the warp yarns are one of single-component yarns, double-component yarns, three-component yarns and four-component yarns, and the weft yarns are one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns; the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn are respectively composed of one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber; the fabric comprises 30-70% of pre-oxidized fiber, 20-50% of carbon fiber, 30-70% of aramid fiber and 1-20% of flame-retardant cellulose fiber.
The beneficial effects of the invention are as follows:
in the whole dyeing and finishing equipment, impurities on the grey cloth are firstly removed through a pretreatment component, the impurities mainly comprise dust, hairiness and the like, the pretreatment component can be a combination of a desizing device, a washing device and a drying device, the grey cloth passing through the pretreatment component passes through a guide roller clockwise and enters a dye pool, the dye pool is filled with dye media, the dye media can infiltrate into the grey cloth, thereby realizing preliminary dyeing, furthermore, the grey cloth passes through a first treatment roller anticlockwise, at the moment, the bottom surface of the grey cloth is opposite to a plurality of first spray guns on a first spraying structure, the dye media are sprayed to the bottom surface of the fabric through the first spray guns, and at the moment that the dye media contact the fabric, the dye media can squeeze and collide with the surface of the fabric, the dye medium in the whole dye pond is promoted to permeate towards the inside of the grey cloth, the combination stability degree of the dye medium and fibers in the fabric is promoted, the dyeing and finishing treatment effect is greatly improved, the grey cloth is improved in the molten metal impact resistance in the permeation process by changing phases, further, the impact body sprayed out of the first spray gun further increases the extrusion collision degree, the local deformation degree of the fabric is improved, the fluidity of the dye medium in the grey cloth is improved, the structural strength and the molten metal impact resistance of the grey cloth fabric are further improved, meanwhile, the grey cloth passing through the first treatment roller enters the second treatment roller clockwise, and the upper surface of the grey cloth is simultaneously processed like the first spray knot structure, so that the dyeing and finishing operation of the whole grey cloth is finished; more importantly, the first spray gun and the second spray gun can stretch out and draw back, so that the lengths of the first spray gun and the second spray gun can be adjusted according to the trend position of specific grey cloth, the proper distance between the first spray gun and the grey cloth and between the second spray gun and the grey cloth is ensured, dyeing and finishing effect and dyeing and finishing efficiency of the grey cloth are improved to the greatest extent, and flame retardant property and molten metal impact resistance of the fabric are improved to the greatest extent.
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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a perspective view of a part of the structure of dyeing and finishing equipment in the preparation system of the present invention;
FIG. 2 is a partial perspective view of a first spray gun of the present invention;
FIG. 3 is a schematic diagram of the composition of the preparation system of the present invention;
FIG. 4 is a flow chart showing the steps in the preparation method of the present invention;
FIG. 5 is a flow chart showing the steps of S1 in the preparation method of the present invention;
FIG. 6 is a flow chart showing the steps of S3 in the preparation method of the present invention;
FIG. 7 is a flow chart showing the steps of S4 in the preparation method of the present invention.
Reference numerals:
1-dyeing and finishing equipment, 11-pretreatment components, 111-conductive components, 1111-conductive plates, 12-dyeing and finishing components, 121-dye pools, 1211-dye media, 122-introduction rollers, 123-first treatment rollers, 124-second treatment rollers, 125-discharge rollers, 126-first spraying structures, 1261-first spraying guns, 1261 a-telescopic groups, 1261 b-sealing rubber sleeves, 1261 c-ejection pipes, 1262-first return fluids, 127-second spraying structures, 1271-second spraying guns, 1272-second return fluids, 13-drying components, 2-yarn manufacturing equipment, 3-weaving equipment, 4-grey cloth.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a manufacturing system of flame-retardant and molten metal impact resistant fabric under the condition of flash fire comprises dyeing and finishing equipment 1, wherein the dyeing and finishing equipment 1 comprises a pretreatment component 11, a dyeing and finishing component 12 and a drying component 13; wherein, the pretreatment component 11 is used for obtaining the grey cloth 4 and removing impurities on the grey cloth 4, and is also used for feeding the grey cloth 4 into the dyeing and finishing component 12; the dyeing and finishing assembly 12 comprises a dye pool 121, a leading-in roller 122, a first processing roller 123, a second processing roller 124, a leading-out roller 125, a first spraying structure 126 and a second spraying structure 127, dye mediums 1211 are uniformly distributed in the dye pool 121, the first processing roller 123, the second processing roller 124, the leading-out roller 125, the first spraying structure 126 and the second spraying structure 127 are all arranged in the dye pool 121, a gray 4 fed into the dyeing and finishing assembly 12 sequentially passes through the leading-in roller 122, passes through the first processing roller 123 anticlockwise and passes through the second processing roller 124 anticlockwise and passes through the leading-out roller 125, the first spraying structure 126 is arranged at the bottom of the dye pool 121, the first spraying structure 126 comprises a plurality of telescopic first spraying guns 1261, the first spraying guns 1261 are opposite to the bottom surface of the gray 4 on the first processing roller 123, the distances between the plurality of first spraying guns 1261 and the bottom surface of the gray 4 are equal, the second spraying structure 127 is arranged at the top of the dye pool 121, the second spraying structure 127 comprises a plurality of telescopic second spraying guns 1, the second spraying guns 1261 are opposite to the second top surface of the second spraying guns 1271 and the distance between the second spraying guns 1271 and the top surface of the second spraying gun 1271 and the second top surface of the gray 1271 is equal to the second top surface of the first spraying gun 1271; the drying assembly 13 serves to dry the raw fabric 4 guided out from the guide-out roller 125 and to roll the raw fabric 4 during the drying process.
In this embodiment, in the whole dyeing and finishing apparatus 1, the pretreatment assembly 11 is used to remove impurities on the grey fabric 4, the impurities mainly include dust, hairiness, etc., the pretreatment assembly 11 may be a combination of a desizing device, a water washing device and a drying device, the grey fabric 4 passing through the pretreatment assembly 11 passes through the introducing roller 122 clockwise and enters the dye pool 121, the dye pool 121 is filled with the dye medium 1211, the dye medium 1211 permeates into the grey fabric 4, so as to implement preliminary dyeing, further, the grey fabric 4 passes through the first treatment roller 123 anticlockwise, at this time, the bottom surface of the grey fabric 4 faces the plurality of first spray guns 1261 on the first spray knot 126, the dye medium 1211 is sprayed onto the bottom surface of the fabric through the first spray guns 1261, and at the moment that the dye medium 1211 contacts the fabric, the dye medium 1211 presses and collides with the surface of the fabric, the dye medium 1211 in the whole dye pool 121 is promoted to permeate towards the inside of the grey cloth 4, the combination stability degree of the dye medium 1211 and the fibers in the fabric is promoted, the dyeing and finishing treatment effect is greatly improved, the grey cloth 4 is improved in the molten metal impact resistance in the permeation process by changing the phase, furthermore, the impact body sprayed by the first spray gun 1261 further increases the extrusion collision degree, the local deformation degree of the fabric is improved, the fluidity of the dye medium 1211 in the grey cloth 4 is improved, the structural strength and the molten metal impact resistance of the fabric of the grey cloth 4 are further improved, meanwhile, the grey cloth 4 passing through the first treatment roller 123 enters the second treatment roller 124 clockwise, and the second spraying structure 127 simultaneously processes the upper surface of the grey cloth 4 like the first spraying structure 126, so that the dyeing and finishing operation of the whole grey cloth 4 is finished; more importantly, the first spray gun 1261 and the second spray gun 1271 can be telescopic, so that the lengths of the first spray gun 1261 and the second spray gun 1271 can be adjusted according to the trend position of the specific grey cloth 4, the proper distance between the first spray gun 1261 and the second spray gun 1271 and the grey cloth 4 is ensured, the dyeing and finishing effect and the dyeing and finishing efficiency of the grey cloth 4 are improved to the greatest extent, and the flame retardant property and the molten metal impact resistance of the fabric under the bombarding condition are improved to the greatest extent.
Specifically, the pretreatment assembly 11 further includes a conductive assembly 111, the conductive assembly 111 includes two conductive plates 1111 facing each other and connected to the positive electrode, and the raw fabric 4 entering the introduction roller 122 can pass between the two conductive plates 1111, and the first spray gun 1261 and the second spray gun 1271 are connected to the negative electrode.
In this embodiment, it should be noted that, the conductive component 111 can make the grey fabric 4 carry positive charges, and meanwhile, the first spray gun 1261 and the second spray gun 1271 can make the dye medium 1211 carry negative charges, so that when the ejected dye medium 1211 contacts the grey fabric 4, due to mutual attraction between the positive charges and the negative charges, the permeability of the dye medium 1211 in the grey fabric 4 is further promoted, the bonding stability degree of the dye medium 1211 and the fibers in the fabric is further promoted, and the dyeing and finishing effect is further improved.
Specifically, the first spray knot 126 further includes a first backflow body 1262, the first spray gun 1261 is disposed on top of the first backflow body 1262, the first backflow body 1262 is used for adjusting the length of the first spray gun 1261 and also for sucking the dye medium 1211 and the impact body in the dye vat 121 into the first spray gun 1261; the second spraying structure 127 further comprises a second backflow 1272, the second spraying gun 1271 is arranged at the bottom of the second backflow 1272, and the second backflow 1272 is used for adjusting the length of the second spraying gun 1271 and also is used for sucking the dye medium 1211 and the impact body in the dye pond 121 into the second spraying gun 1271.
In this embodiment, it should be noted that the first backflow 1262 continuously sucks the dye medium 1211 and the impact body in the dye vat 121 into the first spray gun 1261, and similarly, the second backflow 1272 continuously sucks the dye medium 1211 and the impact body in the dye vat 121 into the second spray gun 1271.
Specifically, the first spray gun 1261 and the second spray gun 1271 are identical in structure and each include: a telescopic tube group; the sealing rubber sleeve is sleeved on the telescopic tube group; the ejection tube is arranged in the center of the telescopic tube group; wherein, flexible nest of tubes is used for spouting dye medium 1211, and flexible nest of tubes is still used for increasing or reducing length after flexible, and sealed gum cover is used for keeping apart dye medium 1211 and flexible nest of tubes outer wall, and the ejector tube is used for spouting the impactor.
In this embodiment, the telescopic tube set is driven by the first backflow body 1262 or the second backflow body 1272 to perform telescopic motion, and the sealant sleeve can effectively seal the gap on the outer wall of the telescopic tube set to prevent the dye medium 1211 from being accidentally permeated.
Specifically, the yarn manufacturing and selecting device 2 and the weaving device 3 are also included; the yarn preparation and selection equipment 2 is used for preparing single-component yarns, double-component yarns, three-component yarns and four-component yarns, wherein the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns are respectively formed by one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber, and is also used for selecting one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns as warp yarns, and selecting one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns as weft yarns, wherein the combination of the warp yarns and the weft yarns needs to comprise the pre-oxidized fiber, the carbon fiber, the aramid fiber and the flame-retardant cellulose fiber; the weaving device 3 is used for weaving the obtained warp yarns and weft yarns according to a preset weave structure to obtain the grey fabric, wherein the preset weave structure comprises any one or more of plain weave, twill weave, change weave, combined weave, jacquard weave and complex weave.
In this embodiment, the fabric is formed by interweaving warp yarns and weft yarns, wherein the warp yarns are one of single-component yarns, double-component yarns, three-component yarns and four-component yarns, and the weft yarns are one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns; wherein, the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn are respectively composed of one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber; the fabric comprises 30-70% of pre-oxidized fiber, 20-50% of carbon fiber, 30-70% of aramid fiber and 1-20% of cellulose fiber;
the plain weave is formed by interweaving warp yarns and weft yarns one above the other; the twill is embodied in that interweaving points of warp yarns and weft yarns form twill lines with a certain angle on the surface of the fabric; the change structure is a structure obtained by changing one or more of the factors of the floating length, the flying number, the direction of the arranged diagonal lines, the yarn circulation number and the like of the structure point on the basis of the original structure; at least one of warp and weft yarns forming the fabric consists of two or more than two system yarns; the jacquard weave is a concave-convex pattern formed by staggering warp yarns and weft yarns.
The flame-retardant cellulose fiber is any one of a blend flame-retardant modified cellulose fiber, a graft copolymerization flame-retardant modified cellulose fiber and a post-finishing flame-retardant modified cellulose fiber. The blending flame-retardant modified cellulose fiber is characterized in that a flame retardant is added into a viscose spinning solution, and the flame retardant is inlaid on the fiber when the blending solution is solidified to form, so that the fiber has a permanent flame-retardant effect; the graft copolymerization flame-retardant modified cellulose fiber is divided into free radical polymerization, ionic polymerization and polycondensation, so that the defects of the cellulose fiber can be improved, the original excellent performance of cellulose limitation can be maintained, and the functional cellulose fiber with strong flame-retardant property can be prepared.
Specifically, as shown in fig. 4 to 7, there is further provided a method for preparing a flame retardant and molten metal impact resistant fabric under a flash condition, wherein the method includes the preparation system according to any one of the above embodiments, and the method includes:
s1, adopting yarn preparation equipment 2 to prepare single-component yarns, double-component yarns, three-component yarns and four-component yarns, wherein the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns are respectively formed by one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber;
S2, selecting one of a single-component yarn, a double-component yarn, a three-component yarn and a four-component yarn as warp yarn by adopting yarn preparation equipment 2, and selecting one of the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn as weft yarn, wherein the combination of the warp yarn and the weft yarn needs to comprise pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber;
s3, weaving the obtained warp yarns and weft yarns according to a preset weave structure by adopting weaving equipment 3 to obtain a grey cloth fabric, wherein the weave structure comprises any one or more of plain weave, twill weave, change weave, joint weave, jacquard weave and complex weave;
s4, dyeing and finishing the preset grey fabric by adopting dyeing and finishing equipment 1 to obtain the finished fabric.
Specifically, S1 includes: s11, obtaining pre-oxidized fiber, carbon fiber, aramid fiber and cellulose fiber; s12, one, two, three and four of the obtained four fibers are proportioned one by one to sequentially form a single-component raw material, a double-component raw material, a three-component raw material and a four-component raw material; s13, sequentially carrying out opening picking, carding, first drawing, second drawing, roving, spinning, winding, doubling and double twisting on the single-component raw material, the double-component raw material, the three-component raw material and the four-component raw material to prepare the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn.
Specifically, S3 includes: s31, warping and sizing the obtained warp yarns and weft yarns, and then drying the warp yarns and weft yarns; s32, sequentially carrying out warp penetration, weaving, checking and repairing on the grey cloth 4 after drying is finished, and obtaining the grey cloth fabric with the preset organization structure.
Specifically, in S31, sizing is carried out by adopting sizing agent, wherein the sizing agent adopts polyvinyl alcohol and DM-893 starch mixed water in a ratio of 5:5, the concentration range of the sizing agent is 6% -8%, and the sizing rate is 3% -4%.
Specifically, S4 includes: s41, sequentially desizing, washing and drying the grey fabric, wherein the washing adopts open-width washing, 0.04-0.1 g/L of deoiling agent is added, and the washing is carried out for 8-10 times at the temperature of about 40 ℃; s42, dyeing, shaping, baking and rolling the dried grey fabric in sequence to obtain the finished fabric.
The following 3 examples were simultaneously employed to verify the superiority of the fabric made using this scheme.
Example 1
Obtaining pre-oxidized fiber, carbon fiber, stock solution dyed aramid fiber and cellulose fiber, and adopting yarn preparation and selection equipment to respectively spin the pre-oxidized fiber/carbon fiber/cellulose fiber yarn and aramid fiber yarn through the working procedures of opening and picking, carding, first drawing, second drawing, roving, spinning, winding, doubling and double twisting. The prepared 45s/2 aramid yarn and 30s/2 pre-oxidized fiber/carbon fiber/cellulose fiber yarn are respectively used as warp yarn and weft yarn, two-up-down right twill weave is adopted, the aramid yarn is distributed on the front surface of the fabric, the pre-oxidized fiber/carbon fiber/cellulose fiber yarn is distributed in the fabric, and the grey fabric is prepared by adopting weaving equipment through warping-sizing-threading-weaving-grey fabric inspection-repair.
Sequentially desizing, washing, drying, dyeing, shaping, baking and rolling the grey fabric by adopting dyeing and finishing equipment to obtain the flame-retardant and molten metal impact-resistant fabric under the condition of bombing, wherein the raw material components of the whole fabric comprise 40% of aramid fiber, 40% of pre-oxidized fiber, 10% of carbon fiber and 10% of cellulose fiber; square meter gram weight: 205g/m2; warp and weft density: 396X 248 roots/10 cm; breaking strength in warp and weft directions: 90N/50N.
Wherein, in the sizing process, sizing pretreatment is carried out on warp yarns by sizing agent, and then drying treatment is carried out. The sizing agent adopts PVA-1799 (polyvinyl alcohol) and DM-893 (epoxy resin glue) starch to mix water in a proportion of 5:5, the sizing agent concentration is 6%, the sizing rate is 3%, the water washing procedure is open width water washing, the degreasing agent is added to 0.08g/L, and the temperature is about 40 ℃, and 8 times of water washing are carried out to remove hairiness on the surface of the fabric.
And (3) verifying protective performance effects: the 350g/m2 flame retardant finishing pure cotton denim as a comparison 1, the 210g/m2 aramid plain cloth as a comparison 2, and the fabric prepared in this example 1 were tested, and the performance thereof was as shown in table 1:
TABLE 1
Example 2
Obtaining pre-oxidized fiber, carbon fiber, stock solution dyed aramid fiber and cellulose fiber, adopting yarn preparation and selection equipment to perform processes of opening picking, carding, first drawing, second drawing, roving, spinning, spooling, doubling and double twisting to respectively spin into aramid fiber/carbon fiber/cellulose fiber yarn and pre-oxidized fiber yarn, taking the prepared 40s/2 aramid fiber/carbon fiber/cellulose fiber yarn and 40s/2 pre-oxidized fiber yarn as warp yarn and weft yarn respectively, adopting twill jacquard (2/1+3/3) organization, and adopting weaving equipment to perform warping-sizing-threading-weaving-grey cloth inspection-repair weaving to obtain grey cloth fabric.
Sequentially desizing, washing, drying, dyeing, shaping, baking and rolling the grey fabric by adopting dyeing and finishing equipment to obtain the flame-retardant and molten metal impact-resistant fabric under the condition of bombing, wherein the raw material components of the whole fabric comprise 45% of preoxidized fiber, 30% of aramid fiber, 15% of carbon fiber and 10% of cellulose fiber; gram weight: 210g/m2, warp and weft yarn density: 408X 232 roots/10 cm; breaking strength in warp and weft directions: 90N/48N.
Wherein, in the sizing procedure, sizing pretreatment is carried out on warp yarns by sizing agent, then drying treatment is carried out, the sizing agent adopts a formula of PVA-1799 (polyvinyl alcohol) and DM-893 (epoxy resin glue) starch in a ratio of 5:5, and the sizing agent has the following concentration: 6%, sizing rate: 4%. The washing procedure is open width washing, 0.08g/L of deoiling agent is added, and 8 times of washing is carried out at the temperature of about 40 ℃ so as to remove hairiness on the surface of the fabric.
And (3) verifying protective performance effects: the same test was conducted using a 350g/m2 flame retardant finished cotton denim as comparative 1, a 210g/m2 aramid plain cloth as comparative 2, and the fabric produced in this example 1, with properties shown in Table 2:
TABLE 2
Example 3
Obtaining pre-oxidized fiber, carbon fiber, stock solution dyeing aramid fiber and cellulose fiber, spinning into pre-oxidized fiber limiting/aramid fiber/cellulose fiber/carbon fiber blended yarns through the working procedures of opening and picking, carding, drawing by a first channel, drawing by a second channel, roving, spinning by a first channel, winding by a second channel, and twisting by a second channel, taking the two same 36s/2 pre-oxidized fiber limiting/aramid fiber/cellulose fiber/carbon fiber blended yarns as warp yarns and weft yarns, adopting plain jacquard (1/1+3/3) weave, and then adopting weaving equipment to carry out warping, sizing, threading, weaving, gray fabric inspection and repair to obtain the gray fabric.
And then, sequentially desizing, washing, drying, dyeing, shaping, baking and rolling the grey fabric by adopting dyeing and finishing equipment to obtain the flame-retardant and molten metal impact-resistant fabric under the condition of bombing, wherein the raw material components of the whole fabric are as follows: the content of the preoxidized fiber is 40 percent, the content of the aramid fiber is 30 percent, the content of the cellulose fiber is 20 percent, and the content of the carbon fiber is 10 percent; square meter gram weight: 253g/m2, warp and weft yarn density: 408X 276 roots/10 cm; breaking strength in warp and weft directions: 110N/54N.
Wherein, in the sizing process, sizing pretreatment is carried out on warp yarns by sizing agent, and then drying treatment is carried out. The slurry is prepared by mixing polyvinyl alcohol and DM-893 (epoxy resin glue) starch in a ratio of 5:5, and the slurry concentration is as follows: 8%, sizing rate: 3%. The washing procedure is open width washing, 0.06g/L of deoiling agent is added, and 8 times of washing is carried out at the temperature of about 40 ℃ so as to remove hairiness on the surface of the fabric.
And (3) verifying protective performance effects: the same test was conducted using a 350g/m2 flame retardant finished cotton denim as comparative 1 and a 210g/m2 aramid plain cloth as comparative 2, and the fabric produced in this example 1, with properties shown in Table 3:
TABLE 3 Table 3
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. The preparation system of the flame-retardant and molten metal impact resistant fabric under the condition of bombing is characterized by comprising dyeing and finishing equipment, wherein the dyeing and finishing equipment comprises a pretreatment component, a dyeing and finishing component and a drying component; wherein,,
the pretreatment component is used for obtaining the grey cloth, removing impurities on the grey cloth and sending the grey cloth into the dyeing and finishing component;
the dyeing and finishing assembly comprises a dye pond, a leading-in roller, a first processing roller, a second processing roller, a leading-out roller, a first spraying structure and a second spraying structure, wherein dye media are uniformly distributed in the dye pond, the first processing roller, the second processing roller, the leading-out roller, the first spraying structure and the second spraying structure are all arranged in the dye pond, grey cloth fed into the dyeing and finishing assembly sequentially passes through the leading-in roller, passes through the first processing roller anticlockwise, passes through the second processing roller clockwise and passes through the leading-out roller anticlockwise, a first spraying structure is arranged at the bottom of the dye pond, the first spraying structure comprises a plurality of telescopic first spray guns, the first spray guns are opposite to the bottom surface of the grey cloth on the first processing roller, the distances between the first spray guns and the bottom surface of the grey cloth are all equal, the second spraying structure is arranged at the top of the dye pond, the second spraying structure comprises a plurality of telescopic second spray guns, the second spray guns are opposite to the top surface of the grey cloth on the second processing roller, and the distance between the second spray guns and the first spray guns and the dye medium are all equal;
The drying component is used for drying the grey cloth guided out from the guiding-out roller and rolling the grey cloth in the drying process.
2. The system for preparing a flame retardant and molten metal impact resistant fabric under a bombing condition according to claim 1, wherein the pretreatment assembly further comprises a conductive assembly, the conductive assembly comprises two conductive plates which are opposite to each other and are connected with a positive electrode, a gray fabric entering the introducing roller can pass through between the two conductive plates, and the first spray gun and the second spray gun are connected with a negative electrode.
3. The system for producing a flame retardant, molten metal impact resistant fabric under flash conditions of claim 2, wherein the first spray knot structure further comprises a first backflow body, the first spray gun is arranged on top of the first backflow body, the first backflow body is used for adjusting the length of the first spray gun, and is further used for sucking dye media and impact bodies in a dye pool into the first spray gun;
the second spraying structure further comprises a second backflow body, the second spraying gun is arranged at the bottom of the second backflow body, and the second backflow body is used for adjusting the length of the second spraying gun and sucking dye media and the impact body in the dye pool into the second spraying gun.
4. The system for producing a flame retardant and molten metal impact resistant fabric under a flash-over condition of claim 3, wherein the first and second spray guns are identical in structure and each comprise:
a telescopic tube group;
the sealing rubber sleeve is sleeved on the telescopic tube group; and
the ejection tube is arranged in the center of the telescopic tube group; wherein,,
the telescopic tube set is used for jetting dye media, the telescopic tube set is further used for increasing or decreasing the length after telescopic, the sealing rubber sleeve is used for isolating the dye media from the outer wall of the telescopic tube set, and the ejection tube is used for jetting the impact body.
5. The system for producing a flame retardant and molten metal impact resistant fabric under a flash condition according to any one of claims 1 to 4, further comprising a yarn producing and selecting device and a weaving device; wherein,,
the yarn preparation and selection equipment is used for preparing single-component yarns, double-component yarns, three-component yarns and four-component yarns, wherein the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns are respectively formed by one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber, and the yarn preparation and selection equipment is also used for selecting one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns as warp yarns and selecting one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns as weft yarns, and the combination of the warp yarns and the weft yarns needs to comprise the pre-oxidized fiber, the carbon fiber, the aramid fiber and the flame-retardant cellulose fiber;
The weaving equipment is used for weaving the obtained warp yarns and weft yarns according to a preset weave structure to obtain the grey cloth fabric, wherein the preset weave structure comprises any one or more of plain weave, twill weave, change weave, joint weave, jacquard weave and complex weave.
6. A method for preparing a flame retardant, molten metal impact resistant fabric under bombing conditions, the method comprising the preparation system of any one of claims 1 to 5, the method comprising:
s1, preparing single-component yarns, double-component yarns, three-component yarns and four-component yarns by adopting yarn preparation equipment, wherein the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns are respectively formed by one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber;
s2, selecting one of a single-component yarn, a double-component yarn, a three-component yarn and a four-component yarn as warp yarns by adopting yarn manufacturing equipment, and selecting one of the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn as weft yarns, wherein the combination of the warp yarns and the weft yarns comprises pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber;
S3, weaving the obtained warp yarns and weft yarns according to a preset weave structure by adopting weaving equipment to obtain a grey cloth fabric, wherein the weave structure comprises any one or more of plain weave, twill weave, change weave, joint weave, jacquard weave and complex weave;
s4, dyeing and finishing the preset grey fabric by adopting dyeing and finishing equipment to obtain the finished fabric.
7. The method for preparing the flame-retardant and molten metal impact-resistant fabric under the condition of flash fire according to claim 6, wherein the step S1 comprises the following steps:
s11, obtaining pre-oxidized fiber, carbon fiber, aramid fiber and cellulose fiber;
s12, one, two, three and four of the obtained four fibers are proportioned one by one to sequentially form a single-component raw material, a double-component raw material, a three-component raw material and a four-component raw material;
s13, sequentially carrying out opening picking, carding, first drawing, second drawing, roving, spinning, winding, doubling and double twisting on the single-component raw material, the double-component raw material, the three-component raw material and the four-component raw material to prepare the single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn.
8. The method for preparing the flame retardant and molten metal impact resistant fabric under the condition of flash fire according to claim 6, wherein the step S3 comprises:
S31, warping and sizing the obtained warp yarns and weft yarns, and then drying the warp yarns and weft yarns;
s32, sequentially carrying out warp penetration, weaving, grey cloth inspection and repair weaving after drying is finished, and obtaining the grey cloth fabric with the preset organization structure.
9. The method for preparing the flame retardant and molten metal impact resistant fabric under the condition of flash fire according to claim 6, wherein the step S4 comprises:
s41, sequentially desizing, washing and drying the grey fabric, wherein the washing adopts open-width washing, 0.04-0.1 g/L of deoiling agent is added, and the temperature is 40 ℃ and the washing is carried out for 8-10 times;
s42, dyeing, shaping, baking and rolling the dried grey fabric in sequence to obtain the finished fabric.
10. Flame-retardant, melt-impact-resistant fabric under bombarded conditions, characterized in that it is produced by the production system according to any one of claims 1 to 5, said fabric being produced by the production method according to any one of claims 6 to 9; wherein,,
the fabric is formed by interweaving warp yarns and weft yarns, and a weave structure is formed, wherein the warp yarns are one of single-component yarns, double-component yarns, three-component yarns and four-component yarns, and the weft yarns are one of the single-component yarns, the double-component yarns, the three-component yarns and the four-component yarns;
The single-component yarn, the double-component yarn, the three-component yarn and the four-component yarn are respectively composed of one, two, three and four of pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber;
the fabric comprises pre-oxidized fiber, carbon fiber, aramid fiber and flame-retardant cellulose fiber, wherein
The pre-oxidized fiber accounts for 30-70% of the mass fraction of the pre-oxidized fiber, the carbon fiber accounts for 20-50% of the mass fraction of the pre-oxidized fiber, the aramid fiber accounts for 30-70% of the mass fraction of the pre-oxidized fiber, and the cellulose fiber accounts for 1-20% of the mass fraction of the pre-oxidized fiber.
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