CN111379039A - Environment-friendly multipurpose bionic fiber production process - Google Patents
Environment-friendly multipurpose bionic fiber production process Download PDFInfo
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- CN111379039A CN111379039A CN201811646101.0A CN201811646101A CN111379039A CN 111379039 A CN111379039 A CN 111379039A CN 201811646101 A CN201811646101 A CN 201811646101A CN 111379039 A CN111379039 A CN 111379039A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D11/00—Other features of manufacture
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
The invention provides an environment-friendly multipurpose bionic fiber production process, which selects light-transmitting polyester or polyamide chips, polyester chips and color master batches as production raw materials and comprises the following steps: screening materials; crystallizing; the polyamide slices do not need to be crystallized; drying; directly adding the color master batch into a drying device for drying; the transparent polyester, the polyester chip and the color master batch are accurately metered (the polyester chip is not needed), and then are uniformly stirred and enter a screw extruder for melt extrusion; after extrusion and melting, the mixture enters a spinning manifold of a spinning section; after being metered, the melt enters a spinning assembly, and after being filtered, the melt is respectively guided into a core hole and a skin hole of a spinneret plate through a guide hole in the assembly to spin a strand silk; cooling, solidifying and forming the strand silk by blowing air; the oiled filament bundle enters a winding section through a channel and finally enters a winding head for winding and forming; inspecting and grading; and (7) packaging and warehousing. Compared with the prior art, the invention has the advantages that: simple production process, less pollution and various production materials.
Description
Technical Field
The invention relates to the field of bionic fiber production, in particular to an environment-friendly multipurpose bionic fiber production process.
Background
Natural fibers are textile fibers that are native to nature or obtained directly from artificially cultivated plants or artificially cultivated animals, and are an important source of materials for the textile industry. Despite the rapid increase in the production of synthetic fibers since the middle of the 20 th century, the composition of textile materials has changed greatly, but natural fibers still account for approximately 50% of the total annual production of textile fibers. The natural fibers are various in types, and cotton, hemp, wool and silk are widely used for spinning for a long time. Cotton and hemp are plant fibers, the main component is cellulose, and wool and silk are animal fibers, the main component is protein. Asbestos, known as mineral fibers, is present in the rock layers of the earth's crust and is an important building material, also for textile applications. The cotton fiber has the largest yield and wide application range, can be used for sewing living goods such as clothes, bed sheets, bedding and the like, can also be used as a material of canvas and a conveyor belt, or can be made into wadding for heat preservation and serving as a filling material. Most of the fibrilia is used for manufacturing fabrics and ropes for packaging, and some of the fibrilia with excellent quality can be used as clothes. Wool and silk yield is much less than cotton and hemp, but is an excellent textile material. Woolen cloth made of wool fiber and silk satin made of silk fiber are sewn into clothes, and the woolen cloth is gorgeous and heavy and is popular among people. Among the textile fibers, only wool fibers have the property of being pressed into a felt. Wool fibers are also the best raw material for making carpets from fibers.
The bionic fiber is a chemical fiber similar to a natural fiber in morphological structure, appearance and performance, or an artificial fiber manufactured by simulating the contact feeling of the natural fiber and human skin, and compared with the natural fiber, the bionic fiber has more diverse purposes.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an environment-friendly multipurpose bionic fiber production process which is simple in method, various in formula and easy in acquisition of raw materials.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
an environment-friendly type multipurpose bionic fiber production process comprises the following steps:
1) screening materials: the light-transmitting polyester and the polyester slices pass through respective vibrating sieves to screen out impurities in the raw materials and then are conveyed to respective wet bins;
2) and (3) crystallization: crystallizing the light-transmitting polyester and the polyester chips at the temperature of 160-175 ℃, the dry air pressure of 0.2-0.28MPa and the dry air dew point of-110 ℃ for 15-30 min;
3) and (3) drying: after crystallization is finished, respectively entering a drying device, wherein the drying temperature of the polyester slices is 175 ℃, and the drying time is not less than 7.3 hours;
4) directly adding the color master batch into a drying device for drying, wherein the drying temperature is 108-112 ℃, the drying time is 6-10 hours, the dry air pressure is 0.2-0.28MPa, and the dry air dew point is-110 ℃;
5) the good printing opacity polyester of drying, polyester chip and masterbatch carry out the accurate measurement respectively earlier through the mixer, then the stirring reentrant screw extruder carries out the melt extrusion, the screw extruder has three district and one to three district's temperature respectively and is: 280-290, 285-295 and 285-295 ℃;
6) after extrusion and melting, the mixture enters a spinning manifold of a spinning section, the spinning manifold is insulated by biphenyl, and the temperature of the biphenyl is 285-295 ℃;
7) respectively metering by a metering pump, feeding into a spinning assembly, filtering the melt, and respectively introducing the raw materials into a core hole and a skin hole of a spinneret plate through a flow guide hole in the assembly to spin a strand silk;
8) cooling, solidifying and forming the strand silk by measuring air blowing, measuring air blowing temperature: measuring the blowing air speed at 18-24 ℃: 0.4-0.8m/s, the distance between the oil nozzle frame and the spinneret plate is as follows: 148cm, distance from the cross air blow: 20cm, and then, feeding the synthetic tows into an oil nozzle for oiling;
9) the oiled filament bundle enters a winding section through a duct, passes through a godet for guiding the filament bundle to move, a pre-network nozzle, a dividing comb for dividing filaments into specific filament bundles, GR1 and GR2 for drawing and heating and shaping the filament bundle, passes through the network nozzle, and finally enters a winding head for winding and forming, wherein the pressure of the pre-network nozzle is 1.2-2.2KG, the GR1 rotating speed is 1300-4150 m/min, the temperature is 78-83 ℃, the GR2 rotating speed is 3850-4150m/min, and the temperature is 130-138 ℃;
10) inspecting and grading;
11) and (7) packaging and warehousing.
As an improvement, the light-transmitting polyester can be replaced by polyamide chips and the polyamide chips can be directly dried without crystallization.
As an improvement, the drying temperature of the polyamide slice is 70-80 ℃, the drying time is more than 48 hours, the dry air pressure is 0.13-0.18MPa, and the dry air dew point is-101 ℃.
As an improvement, the polyamide chips can directly enter a screw extruder B for melt extrusion without entering a stirrer, and the screw extruder B has five zones and the temperatures of the zones from one zone to the five zones are 253-260-270-260-265-275 ℃.
As an improvement, in the step 9), the pressure of the pre-network nozzle is 2.5-4.0 KG.
As an improvement, in the step 9), a winding head vehicle speed W/D of the winding head is: 3500-4500 m/min.
The invention has the beneficial effects that:
the production process is simple, raw materials are easy to obtain, the transparent polyester and polyamide chips can be replaced for use, the formula is diversified, the production is more convenient, the GR1 rotating speed is 1500m/min, the temperature is 83 ℃, the GR2 rotating speed is 4050m/min, the temperature is 136 ℃, the problem that the GR1 is severely shaken is effectively solved, the style of the fabric is closer to that of a hemp product, more waste gas and waste materials cannot be generated in the whole production process step, the oiling can reduce static electricity, the spinnability is improved, filament bundles are mutually entangled under the action of jet air flow, the spinnability of the filaments is improved, and the network nozzles can enable the filaments to be mutually entangled to form a periodic network point, so that the tightness degree of the filaments is improved.
Detailed Description
The invention is illustrated below by means of specific examples, without being restricted thereto.
Example one
An environment-friendly multipurpose bionic fiber production process selects light-transmitting polyester, polyester chips and color master batches as production raw materials, and comprises the following steps:
1) screening materials: the light-transmitting polyester and the polyester slices pass through respective vibrating sieves to screen out impurities in the raw materials and then are conveyed to respective wet bins;
2) and (3) crystallization: crystallizing the transparent polyester and polyester chips at 170 ℃, 0.24MPa of dry air and the dew point of the dry air of-110 ℃ for 15-30 min;
3) and (3) drying: after crystallization is finished, the polyester chips respectively enter a drying device, the drying temperature of the polyester chips is 175 ℃, and the drying time is not less than 7.3 hours;
4) directly adding the color master batch into a drying device for drying at 112 ℃ for 10 hours under the condition that the dry air pressure is 0.24MPa and the dry air dew point is-110 ℃;
5) the dried light-transmitting polyester, polyester chips and color master batches are accurately metered through a stirrer respectively, are uniformly stirred and then enter a screw extruder to be subjected to melt extrusion, and the screw extruder is provided with three zones, and the temperature of one zone to three zones is respectively: 286. 288 and 288 ℃;
6) after extrusion and melting, the mixture enters a spinning manifold of a spinning section, and the spinning manifold is insulated by biphenyl, wherein the temperature of the biphenyl is 289 ℃;
7) respectively metering by a metering pump, feeding into a spinning assembly, filtering the melt, and respectively introducing the raw materials into a core hole and a skin hole of a spinneret plate through a flow guide hole in the assembly to spin a strand silk;
8) cooling, solidifying and forming the strand silk by measuring air blowing, measuring air blowing temperature: measuring the blowing air speed at 21 ℃: 0.6m/s, the distance between the oil nozzle frame and the spinneret plate is as follows: 148cm, distance from the cross air blow: 20cm, and then, feeding the synthetic tows into an oil nozzle for oiling;
9) the oiled filament bundle enters a winding section through a duct, passes through a silk guide hook for guiding the filament bundle to move, a pre-network nozzle, a filament dividing comb for dividing filaments into specific filament bundles, GR1 and GR2 for drawing and heating and shaping the filament bundle, passes through the network nozzle, and finally enters a winding head for winding and forming, wherein the pressure of the pre-network nozzle is 2KG, the GR1 rotating speed is 1500m/min, the temperature is 83 ℃, and the GR2 rotating speed is 4050m/min, and the temperature is 136 ℃;
10) inspecting and grading;
11) and (7) packaging and warehousing.
In step 9), the pre-network nozzle has a network pressure of 3.5 KG.
In the step 9), a winding head vehicle speed W/D of the winding head is: 4000 m/min.
Product detection data: fineness 136 elongation 48 Strength 3.1 boiling Water shrinkage 7.8 Excellent
Example two
An environment-friendly multipurpose bionic fiber production process selects polyamide slices and polyester slices as raw materials, and comprises the following steps:
1) screening materials: screening impurities in the raw materials by using a vibrating screen, and conveying the polyester chips to a wet material bin;
2) and (3) crystallization: crystallizing the polyester chips at 170 ℃, 0.24MPa of dry air pressure and the dew point of the dry air of-110 ℃ for 15-30 min;
3) and (3) drying: respectively entering a drying device after crystallization, wherein the drying temperature of the polyester chips is 175 ℃, the drying time is not less than 7.3 hours, and meanwhile, the polyamide chips are dried under the conditions that the temperature is 78 ℃, the drying time is more than 48 hours, the dry air pressure is 0.16MPa, and the dry air dew point is-101 ℃;
4) directly adding the color master batch into a drying device for drying at 112 ℃ for 10 hours under the condition that the dry air pressure is 0.24MPa and the dry air dew point is-110 ℃;
5) the polyester chip and the color master batch that are dried are respectively accurately metered through a stirrer, then are uniformly stirred and enter a screw extruder to be subjected to melt extrusion, and the screw extruder has three zones and the temperature of one zone to three zones is respectively: 286. 288 ℃ and 288 ℃, the polyamide slices can directly enter a screw extruder B for melt extrusion without entering a stirrer, and the screw extruder B has five zones and the temperatures of one zone to five zones are 259, 266, 269 and 269 ℃ respectively;
6) after extrusion and melting, the mixture enters a spinning manifold of a spinning section, and the spinning manifold is insulated by biphenyl, wherein the temperature of the biphenyl is 289 ℃;
7) respectively metering by a metering pump, feeding into a spinning assembly, filtering the melt, and respectively introducing the raw materials into a core hole and a skin hole of a spinneret plate through a flow guide hole in the assembly to spin a strand silk;
8) cooling, solidifying and forming the strand silk by measuring air blowing, measuring air blowing temperature: measuring the blowing air speed at 21 ℃: 0.6m/s, the distance between the oil nozzle frame and the spinneret plate is as follows: 148cm, distance from the cross air blow: 20cm, and then, feeding the synthetic tows into an oil nozzle for oiling;
9) the oiled filament bundle enters a winding section through a duct, passes through a silk guide hook for guiding the filament bundle to move, a pre-network nozzle, a filament dividing comb for dividing filaments into specific filament bundles, GR1 and GR2 for drawing and heating and shaping the filament bundle, passes through the network nozzle, and finally enters a winding head for winding and forming, wherein the pressure of the pre-network nozzle is 2KG, the GR1 rotating speed is 1500m/min, the temperature is 83 ℃, and the GR2 rotating speed is 4050m/min, and the temperature is 136 ℃;
10) inspecting and grading;
11) and (7) packaging and warehousing.
In step 9), the pre-network nozzle has a network pressure of 3.5 KG.
In the step 9), a winding head vehicle speed W/D of the winding head is: 4000 m/min.
Product detection data: fineness 122.81 elongation 35.98 Strength 4.51 boiling Water 8.9
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An environment-friendly multipurpose bionic fiber production process is characterized by comprising the following steps:
1) screening materials: the light-transmitting polyester and the polyester slices pass through respective vibrating sieves to screen out impurities in the raw materials and then are conveyed to respective wet bins;
2) and (3) crystallization: crystallizing the light-transmitting polyester and the polyester chips at the temperature of 160-175 ℃, the dry air pressure of 0.2-0.28MPa and the dry air dew point of-110 ℃ for 15-30 min;
3) and (3) drying: after the crystallization is finished, the polyester slices respectively enter a drying device, the drying temperature of the polyester slices is 170-180 ℃, and the drying time is not less than 7 hours;
4) directly adding the color master batch into a drying device for drying, wherein the drying temperature is 100-120 ℃, the drying time is 6-10 hours, the dry air pressure is 0.2-0.28MPa, and the dry air dew point is-110 ℃;
5) the good printing opacity polyester of drying, polyester chip and masterbatch carry out the accurate measurement respectively earlier through the mixer, then the stirring reentrant screw extruder carries out the melt extrusion, the screw extruder has three district and one to three district's temperature respectively and is: 280-290, 285-295 and 285-295 ℃;
6) after extrusion and melting, the mixture enters a spinning manifold of a spinning section, the spinning manifold is insulated by biphenyl, and the temperature of the biphenyl is 285-295 ℃;
7) respectively metering by a metering pump, feeding into a spinning assembly, filtering the melt, and respectively introducing the raw materials into a core hole and a skin hole of a spinneret plate through a flow guide hole in the assembly to spin a strand silk;
8) cooling, solidifying and forming the strand silk by measuring air blowing, measuring air blowing temperature: measuring the blowing air speed at 18-24 ℃: 0.4-0.8m/s, the distance between the oil nozzle frame and the spinneret plate is as follows: 148cm, distance from the cross air blow: 20cm, and then, feeding the synthetic tows into an oil nozzle for oiling;
9) the oiled filament bundle enters a winding section through a duct, passes through a godet for guiding the filament bundle to move, a pre-network nozzle, a dividing comb for dividing filaments into specific filament bundles, GR1 and GR2 for drawing and heating and shaping the filament bundle, passes through the network nozzle, and finally enters a winding head for winding and forming, wherein the pressure of the pre-network nozzle is 1.2-2.2KG, the GR1 rotating speed is 1300-4150 m/min, the temperature is 78-83 ℃, the GR2 rotating speed is 3850-4150m/min, and the temperature is 130-138 ℃;
10) inspecting and grading;
11) and (7) packaging and warehousing.
2. The process of claim 1, wherein the transparent polyester is replaced by polyamide chips, and the polyamide chips are dried directly without crystallization.
3. The production process of the environment-friendly multipurpose bionic fiber as claimed in claim 2, wherein the drying temperature of the polyamide chip is 70-80 ℃, the drying time is more than 48 hours, the dry air pressure is 0.13-0.18MPa, and the dry air dew point is-100 ℃.
4. The process as claimed in claim 3, wherein the polyamide chips can be directly fed into the screw extruder B for melt extrusion without being fed into the mixer, and the screw extruder B has five zones with temperatures of 253-, 260-, 270-, 260-, 265-, 275-, 265-275-respectively.
5. The process of claim 1, wherein in the step 9), the pre-networking nozzle has a network pressure of 2.5-4.0 KG.
6. The process of claim 5, wherein in step 9), the winding head speed W/D of the winding head is: 3500-4500 m/min.
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| CN201811646101.0A CN111379039A (en) | 2018-12-30 | 2018-12-30 | Environment-friendly multipurpose bionic fiber production process |
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Application publication date: 20200707 |