CN116905113A - Production process of cationic coffee carbon thermal insulation fiber - Google Patents
Production process of cationic coffee carbon thermal insulation fiber Download PDFInfo
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- CN116905113A CN116905113A CN202310807418.2A CN202310807418A CN116905113A CN 116905113 A CN116905113 A CN 116905113A CN 202310807418 A CN202310807418 A CN 202310807418A CN 116905113 A CN116905113 A CN 116905113A
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- rotating shaft
- cationic
- coffee carbon
- drying
- production process
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- 125000002091 cationic group Chemical group 0.000 title claims abstract description 47
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000000835 fiber Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000009413 insulation Methods 0.000 title abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 49
- 229920000728 polyester Polymers 0.000 claims abstract description 28
- 238000009987 spinning Methods 0.000 claims abstract description 26
- 238000002425 crystallisation Methods 0.000 claims abstract description 25
- 230000008025 crystallization Effects 0.000 claims abstract description 25
- 238000004804 winding Methods 0.000 claims abstract description 21
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 6
- 239000004917 carbon fiber Substances 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 230000006855 networking Effects 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 2
- 239000008041 oiling agent Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 5
- 238000004043 dyeing Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 208000011231 Crohn disease Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- 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
- D01D1/00—Treatment of filament-forming or like material
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a production process of cationic coffee carbon thermal insulation fibers, which comprises the steps of (a) putting regenerated cationic polyester chips into a crystallization drying device for crystallization and drying, and putting coffee carbon master batches into a dryer for drying; the dried regenerated cationic polyester chips and coffee carbon master batches are sent into a master batch machine according to the proportion for blending; (b) And conveying the obtained blend to a screw extruder for melt extrusion, metering the obtained spinning melt by a metering pump, spinning by a spinning component to generate primary filaments, heating the primary filaments, slowly cooling in a windless area, cooling by circular blowing, oiling in a bundling manner, and then carrying out pre-networking, drafting shaping and winding shaping to obtain the cationic coffee carbon fiber. The invention can prepare the fiber with good air permeability, good warmth retention and dyeing property, and meets the environmental protection production requirement.
Description
Technical Field
The invention relates to the technical field of fiber preparation, in particular to a production process of cationic coffee carbon thermal insulation fibers.
Background
At present, common hollow thermal fibers are widely applied to thermal clothes, but the thermal effect is not ideal, and the ventilation problem of the polyester fibers is not well solved due to the hydrophobicity of the polyester fibers. In addition, since polyester fibers are difficult to be degraded by microorganisms or air under natural conditions, a large amount of waste polyester fiber products become a huge burden on the environment, and meanwhile, with the deep penetration of the low-carbon environment-friendly and sustainable development concept, the primary polyester fiber products do not meet the current environment-friendly development requirements. Under the condition of increasingly serious environmental pollution, a thermal and environment-friendly product is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a production process of cationic coffee carbon thermal insulation fibers, which can prepare fibers with good air permeability, thermal insulation and good dyeing property and meets the environmental protection production requirements.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a production process of cationic coffee carbon thermal insulation fiber comprises the following steps:
(a) Putting the regenerated cationic polyester chips into a crystallization drying device for crystallization and drying, and putting the coffee carbon master batch into a dryer for drying; the dried regenerated cationic polyester chips and coffee carbon master batches are sent into a master batch machine according to the proportion for blending;
the crystallization drying device comprises a kettle body, a first stirring paddle, a first rotating shaft, a second rotating shaft, a third rotating shaft, a first filter piece capable of lifting, a second filter piece capable of lifting, a fourth rotating shaft, a fifth rotating shaft and a sixth rotating shaft, wherein the first stirring paddle shaft part and the first rotating shaft are concentrically sleeved with an inner ring and an outer ring, the upper part of the first stirring paddle shaft extends out of the first rotating shaft, the second rotating shaft and the third rotating shaft are symmetrically arranged on two sides of the first rotating shaft, the fifth rotating shaft is vertically distributed with the second rotating shaft, the fifth rotating shaft is connected with the second rotating shaft through a first electromagnetic clutch, the first stirring paddle shaft extending out of the first rotating shaft is alternately connected with the fifth rotating shaft and the third rotating shaft through a transmission gear in an engaged manner, the fourth rotating shaft is vertically distributed with the sixth rotating shaft, the fourth rotating shaft is connected with the sixth rotating shaft through a second electromagnetic clutch in an engaged transmission manner, the second rotating shaft is connected with the first rotating shaft in a reverse transmission manner, the first filter piece is circumferentially connected with the first rotating shaft and is driven to lift the filter piece in a reverse direction through the second rotating shaft, and the filter piece is lifted and lifted by driving the first filter piece;
(b) And conveying the obtained blend to a screw extruder for melt extrusion, metering the obtained spinning melt by a metering pump, spinning by a spinning component to generate primary filaments, heating the primary filaments, slowly cooling in a windless area, cooling by circular blowing, oiling in a bundling manner, and then carrying out pre-networking, drafting shaping and winding shaping to obtain the cationic coffee carbon fiber.
In the step (a), the crystallization temperature of the regenerated cationic polyester chip is 158 ℃, the drying temperature is 160 ℃, and the drying wind pressure is 0.1MPa.
In the step (a), the drying temperature of the coffee carbon master batch is 90 ℃, and the drying wind pressure is 0.07MPa.
In the step (a), the regenerated cationic polyester chips and the coffee carbon master batch are mixed according to the mass ratio of 18-20:1.
In step (b), the screw extruder had a diameter of 65mm and an aspect ratio of 25, and the heating temperature in one to five zones was: one region 278 ℃, two regions 284 ℃, three regions 286 ℃, four regions 290 ℃, five regions 292 ℃.
In the step (b), the post-heating temperature of the spinning component is 310 ℃ and the component pressure is 15.1MPa; the height of the windless area is 46mm; the air temperature of the circular blowing air is 20 ℃ and the air pressure is 42Pa.
In the step (b), when the cluster is used for oiling, the oiling height is 1000mm, the distance between the cluster guide wire hook and the oil nozzle is 200mm, and the concentration of the oiling agent is 11wt%.
In the step (b), the rotating speed of the first drafting roller is 2850-2867m/min and the rotating speed of the second drafting roller is 2870-2880m/min during drafting and shaping; the winding speed is 2822-2855m/min and the winding tension is 8-9cN during winding and forming.
The beneficial effects of the invention are as follows: the regenerated cationic polyester chips are used as raw materials, and the fibers are prepared by modifying coffee carbon master batches, so that the fiber has the characteristics of good air permeability, good warmth retention, good dyeing property and the like, and meets the environmental protection production requirements.
Drawings
FIG. 1 is a block diagram of a crystallization drying apparatus according to the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 1;
fig. 4 is an enlarged view at C in fig. 1.
In the figure: the kettle body 1, the top plate 11, the partition plate 12, the guide post 13, the guide rod 14, the first stirring paddle 2, the transmission gear 21, the gear teeth 22, the first rotating shaft 3, the shaft connecting part 31, the screw shaft part 32, the second rotating shaft 4, the A gear 41, the driving wheel 42, the driving belt 43, the B gear 44, the shaft connecting part 45, the screw joint part 46, the fifth rotating shaft 47, the first electromagnetic clutch 48, the third rotating shaft 5, the first filter 6, the first hole 61, the second filter 7, the second hole 71, the fourth rotating shaft 8, the C gear 81, the sixth rotating shaft 82, the second electromagnetic clutch 83 and the motor 9.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
example 1
A production process of cationic coffee carbon thermal insulation fiber comprises the following steps:
(a) Putting the regenerated cationic polyester chips into a crystallization drying device for crystallization and drying, and putting the coffee carbon master batch into a dryer for drying; the dried regenerated cationic polyester chips and coffee carbon master batches are sent into a master batch machine according to the proportion for blending;
the crystallization temperature of the regenerated cationic polyester chip is 158 ℃, the drying temperature is 160 ℃, and the drying wind pressure is 0.1MPa; the drying temperature of the coffee carbon master batch is 90 ℃, and the drying wind pressure is 0.07MPa; mixing the regenerated cationic polyester chips with coffee carbon master batches according to a mass ratio of 19:1;
(b) Delivering the obtained blend to a screw extruder for melt extrusion, metering the obtained spinning melt by a metering pump, spinning by a spinning component to generate primary filaments, heating the primary filaments, slowly cooling in a windless area, cooling by circular blowing, oiling in a bundling manner, and then carrying out pre-networking, drafting shaping and winding shaping to obtain the cationic coffee carbon fiber;
the screw extruder had a diameter of 65mm and an aspect ratio of 25, and the heating temperatures in the first to fifth zones were: one region 278 ℃, two regions 284 ℃, three regions 286 ℃, four regions 290 ℃, five regions 292 ℃; the post-heating temperature of the spinning component is 310 ℃, and the component pressure is 15.1MPa; the height of the windless area is 46mm; the air temperature of the circular blowing air is 20 ℃ and the air pressure is 42Pa; when the oil is applied in a bundling way, the oil application height is 1000mm, the distance between a bundling wire guide hook and an oil nozzle is 200mm, and the concentration of the oil agent is 11wt%; the rotation speed of the first drawing roller is 2860m/min and the rotation speed of the second drawing roller is 2870m/min during drawing and shaping; the winding speed during winding and forming was 2842m/min, and the winding tension was 8.5cN.
Example 2
A production process of cationic coffee carbon thermal insulation fiber comprises the following steps:
(a) Putting the regenerated cationic polyester chips into a crystallization drying device for crystallization and drying, and putting the coffee carbon master batch into a dryer for drying; the dried regenerated cationic polyester chips and coffee carbon master batches are sent into a master batch machine according to the proportion for blending;
the crystallization temperature of the regenerated cationic polyester chip is 158 ℃, the drying temperature is 160 ℃, and the drying wind pressure is 0.1MPa; the drying temperature of the coffee carbon master batch is 90 ℃, and the drying wind pressure is 0.07MPa; mixing the regenerated cationic polyester chips with coffee carbon master batches according to a mass ratio of 18:1;
(b) Delivering the obtained blend to a screw extruder for melt extrusion, metering the obtained spinning melt by a metering pump, spinning by a spinning component to generate primary filaments, heating the primary filaments, slowly cooling in a windless area, cooling by circular blowing, oiling in a bundling manner, and then carrying out pre-networking, drafting shaping and winding shaping to obtain the cationic coffee carbon fiber;
the screw extruder had a diameter of 65mm and an aspect ratio of 25, and the heating temperatures in the first to fifth zones were: one region 278 ℃, two regions 284 ℃, three regions 286 ℃, four regions 290 ℃, five regions 292 ℃; the post-heating temperature of the spinning component is 310 ℃, and the component pressure is 15.1MPa; the height of the windless area is 46mm; the air temperature of the circular blowing air is 20 ℃ and the air pressure is 42Pa; when the oil is applied in a bundling way, the oil application height is 1000mm, the distance between a bundling wire guide hook and an oil nozzle is 200mm, and the concentration of the oil agent is 11wt%; the rotation speed of the first drawing roller is 2867m/min and the rotation speed of the second drawing roller is 2870m/min during drawing and shaping; the winding speed during the winding and forming was 2822m/min, and the winding tension was 9cN.
Example 3
A production process of cationic coffee carbon thermal insulation fiber comprises the following steps:
(a) Putting the regenerated cationic polyester chips into a crystallization drying device for crystallization and drying, and putting the coffee carbon master batch into a dryer for drying; the dried regenerated cationic polyester chips and coffee carbon master batches are sent into a master batch machine according to the proportion for blending;
the crystallization temperature of the regenerated cationic polyester chip is 158 ℃, the drying temperature is 160 ℃, and the drying wind pressure is 0.1MPa; the drying temperature of the coffee carbon master batch is 90 ℃, and the drying wind pressure is 0.07MPa; mixing the regenerated cationic polyester chips with coffee carbon master batches according to a mass ratio of 20:1;
(b) Delivering the obtained blend to a screw extruder for melt extrusion, metering the obtained spinning melt by a metering pump, spinning by a spinning component to generate primary filaments, heating the primary filaments, slowly cooling in a windless area, cooling by circular blowing, oiling in a bundling manner, and then carrying out pre-networking, drafting shaping and winding shaping to obtain the cationic coffee carbon fiber;
the screw extruder had a diameter of 65mm and an aspect ratio of 25, and the heating temperatures in the first to fifth zones were: one region 278 ℃, two regions 284 ℃, three regions 286 ℃, four regions 290 ℃, five regions 292 ℃; the post-heating temperature of the spinning component is 310 ℃, and the component pressure is 15.1MPa; the height of the windless area is 46mm; the air temperature of the circular blowing air is 20 ℃ and the air pressure is 42Pa; when the oil is applied in a bundling way, the oil application height is 1000mm, the distance between a bundling wire guide hook and an oil nozzle is 200mm, and the concentration of the oil agent is 11wt%; the rotation speed of the first drawing roller is 2867m/min and the rotation speed of the second drawing roller is 2880m/min during drawing and shaping; the winding speed during the winding and forming was 2855m/min, and the winding tension was 9cN.
If moisture in the slice is not removed completely, the slice is hydrolyzed when being melted, so that the molecular weight of the spinning polymer is reduced, and the moisture in the slice is vaporized at high temperature to form bubbles, which can cause broken spinning ends or broken filaments to affect the product quality, therefore, the raw material slice is required to be crystallized and dried before spinning, but the existing crystallization drying equipment has the problem that high-temperature gas is insufficient to be contacted with the slice when the slice is dried, so that the drying effect is low, the drying effect is not ideal, long-time drying is required, and the production efficiency is affected.
The crystallization drying device used in each embodiment of the invention comprises a kettle body 1, a first stirring paddle 2, a first rotating shaft 3, a second rotating shaft 4, a third rotating shaft 5, a first filter element 6 which can be lifted, a second filter element 7 which can be lifted, a fourth rotating shaft 8, a fifth rotating shaft 47 and a sixth rotating shaft 82 which are respectively arranged in the kettle body 1, wherein the shaft parts of the first stirring paddle 2 and the first rotating shaft 3 are sleeved with the inner ring and the outer ring in a concentric manner, the upper part of the shaft part of the first stirring paddle 2 extends out of the first rotating shaft 3, and a gap is reserved between the shaft parts of the first stirring paddle 2 and the inner cavity of the first rotating shaft 3. The second rotating shaft 4 and the third rotating shaft 5 are symmetrically arranged at two sides of the first rotating shaft 3, the fifth rotating shaft 47 is vertically distributed with the second rotating shaft 4, the fifth rotating shaft 47 is connected with the second rotating shaft 4 through a first electromagnetic clutch 48, the first stirring paddle 2 extending out of the first rotating shaft 3 is alternately meshed with the fifth rotating shaft 47 and the third rotating shaft 5 through a transmission gear 21, the fourth rotating shaft 8 is positioned at the outer side of the third rotating shaft 5, the fourth rotating shaft 8 is vertically distributed with the sixth rotating shaft 82, the fourth rotating shaft 8 is connected with the sixth rotating shaft 82 through a second electromagnetic clutch 83, the fourth rotating shaft 8 is meshed and in transmission connection with the third rotating shaft 5, the second rotating shaft 4 is in transmission connection with the sixth rotating shaft 82 in the same direction, the second rotating shaft 4 is in reverse transmission connection with the first rotating shaft 3, the first filter element 6 is in circumferential limit connection in the kettle body 1 and is driven to lift through the second rotating shaft 4, the second filter element 7 is driven to lift through the first rotating shaft 3, the first filter element 6 is in a ring shape, the second filter element 7 is in the shape, and the second filter element 7 is in the opposite to the first filter element 7 and the second filter element 7 is lifted, and the first filter element 7 is lifted and lowered, and the second filter element 7 is in the direction 7 is lifted.
The lower end of the shaft of the first stirring paddle 2 extends out of the first rotating shaft 3, and the paddle part of the first stirring paddle 2 is positioned below the first rotating shaft 3.
The kettle body 1 comprises a top plate 11 and a partition plate 12, the upper part of the first rotating shaft 3 rotates to penetrate through the partition plate 12, the top of the first stirring paddle 2 rotates to penetrate through the top plate 11 and is driven to rotate by the motor 9, the second rotating shaft 4 rotates to penetrate through the partition plate 12, the lower end of the second rotating shaft 4 is rotationally connected with the bottom of the kettle body 1, and the third rotating shaft 5 is rotationally connected between the top plate 11 and the partition plate 12.
The first stirring paddle 2 extending out of the first rotating shaft 3 is fixedly provided with a transmission gear 21 on a shaft, the fifth rotating shaft 47 and the third rotating shaft 5 are fixedly provided with A gears 41, and the transmission gear 21 is not meshed with the two A gears 41 at the same time. The transfer gear 21 comprises more than 1/3 and less than 1/2 of the gear teeth 22, so that when the transfer gear 21 is meshed with the a gear 41 of the fifth rotation shaft 47, the transfer gear 21 is not meshed with the a gear 41 of the third rotation shaft 5, and vice versa.
The fourth rotating shaft 8 is provided with a C gear 81 meshed with the A gear 41 on the third rotating shaft 5.
The upper part of the second rotating shaft 4 and the sixth rotating shaft 82 are respectively provided with a driving wheel 42, and the two driving wheels 42 are in driving connection through a driving belt 43. The shaft part of the first stirring paddle 2 and the third rotating shaft 5 penetrate through the space surrounded by the transmission belt 43, and the movement of the transmission belt 43 does not affect the first stirring paddle 2 and the third rotating shaft 5.
The upper part of the first rotating shaft 3 is in transmission connection with the upper part of the second rotating shaft 4 through a pair of meshed B gears 44. The gear A41, the driving wheel 42 and the gear B44 are distributed up and down in sequence.
The first filter element 6 is screwed on the second rotating shaft 4, and a plurality of first holes 61 are distributed on the first filter element 6. The first filter element 6 is positioned below the partition plate 12, guide posts 13 are uniformly distributed on the annular inner wall of the kettle body 1, and the outer side of the first filter element 6 is in sliding connection with the guide posts 13. The second rotating shaft 4 comprises a connecting shaft part 45 and a screw connection part 46 which are connected up and down, the driving wheel 42 and the B gear 44 are arranged on the connecting shaft part 45, and the screw connection part 46 is in screw connection with the first filter element 6.
The second filter element 7 is screwed on the first rotating shaft 3, and a plurality of second holes 71 are distributed on the second filter element 7. The first rotating shaft 3 includes a shaft portion 31 and a threaded portion 32 which are vertically connected, a B gear 44 is mounted on the shaft portion 31, and the threaded portion 32 is screwed with the second filter 7. In order to prevent the second filter element 7 from falling out of the first rotating shaft 3, a limiting ring is fixedly arranged at the lower part of the threaded shaft part 32. The lower surface of the partition plate 12 is fixedly provided with a vertical guide rod 14 extending into the inner cavity of the kettle body 1, the guide rod 14 is positioned on one side of the first rotating shaft 3, and the second filter element 7 is arranged on the guide rod 14 in a sliding penetrating manner. The apertures of the first hole 61 and the second hole 71 are determined according to actual needs, so that when the first filter element 6 or the second filter element 7 ascends, part of the slices can be driven by the first filter element 6 or the second filter element 7 to ascend, and gradually fall off in the ascending process, and when the first filter element 6 or the second filter element 7 descends, the slices below the slices can be pushed to the upper part of the first filter element 6 or the second filter element 7 through the first hole 61 and the second hole 71.
When the slice is crystallized and dried, the first filter element 6 is initially set to be positioned above, the second filter element 7 is positioned below, the motor 9 drives the first stirring paddle 2 to rotate in the forward direction to stir the slice, meanwhile, the transmission gear 21 drives the A gear 41 on the fifth rotating shaft 47 to rotate in the reverse direction, the first electromagnetic clutch 48 connects the fifth rotating shaft 47 with the second rotating shaft 4, the second electromagnetic clutch 83 is not connected with the fourth rotating shaft 8 and the sixth rotating shaft 82, the transmission gear 42 drives the sixth rotating shaft 82 to rotate after the second rotating shaft 4 rotates in the reverse direction, but because the second electromagnetic clutch 83 is disconnected, the A gear 41 on the third rotating shaft 5 is not rotated, the second rotating shaft 4 also simultaneously drives the pair of B gears 44 to rotate after rotating in the reverse direction, so that the first rotating shaft 3 rotates in the forward direction, the second rotating shaft 4 rotates in the reverse direction to enable the first filter element 6 to descend, the first rotating shaft 3 rotates in the forward direction to drive the second filter element 7 to ascend, and part of the slice is lifted by the second filter element 7 to fall, so that the slice is fully contacted with hot air, and the first filter element 6 descends to the first filter element 6 when the first filter element 6 descends through the first filter element 61 due to the arrangement of the first hole 61. When the transmission gear 21 rotates to be meshed with the gear A41 on the fifth rotating shaft 47 and is meshed with the gear A41 on the third rotating shaft 5, the first electromagnetic clutch 48 is switched to be disconnected with the fifth rotating shaft 47 and the second rotating shaft 4, the second electromagnetic clutch 83 is switched to be connected with the fourth rotating shaft 8 and the sixth rotating shaft 82, the gear A41 on the third rotating shaft 5 is driven by the transmission gear 21 to rotate in the opposite direction, the gear C81 drives the fourth rotating shaft 8 to rotate in the positive direction, the sixth rotating shaft 82 is driven by the transmission wheel 42 and the transmission belt 43 to rotate the second rotating shaft 4 in the positive direction, and the first rotating shaft 3 is driven to rotate in the opposite direction, so that the first filter element 6 ascends, the second filter element 7 descends, the slice is pushed by the first filter element 6 to ascend and then drops, the slice fully contacts with hot air, and due to the arrangement of the second hole 71, when the second filter element 7 descends, the slice below the second filter element 7 runs to the upper part of the second filter element 7 through the second hole 71. The connection and disconnection of the first electromagnetic clutch 48 and the second electromagnetic clutch 83 are alternately switched, so that one of the first electromagnetic clutch 48 and the second electromagnetic clutch 83 is in a connection state and the other is in a disconnection state, and the first filter 6 and the second filter 7 are alternately lifted and lowered. The above operation is utilized to enable the slices to be stirred and lifted and fall through the first filter element 6 and the second filter element 7, so that the slices are fully contacted with hot air, and the crystallization drying efficiency is improved.
The properties of the fibers prepared in the examples of the present invention are shown in Table 1.
TABLE 1
| Test item | Example 1 | Example 2 | Example 3 |
| Linear density (dtex) | 166.1 | 162.5 | 158.1 |
| Breaking strength (cN/dtex) | 2.4 | 2.3 | 2.6 |
| Elongation at break (%) | 26.5 | 24.7 | 29.3 |
| Oil content (%) | 1.8 | 1.9 | 2.0 |
| Crohn's value (clo) | 0.38 | 0.36 | 0.35 |
| FabricAir permeability mm/s | 1575 | 1613 | 1564 |
| Dye uptake (%), 100 °c) | 80.5 | 81.1 | 80.3 |
The modified crystallization drying device used in the examples of the present invention was replaced with a conventional one-way horizontal circumferential stirring crystallization drying device, and cationic coffee carbon thermal fibers were produced in the same manner as in examples 1 to 3, which were designated as comparative examples 1 to 3. As a result, it was found that the fiber breaking strength of comparative examples 1 to 3 was reduced to 1.7cN/dtex, 1.51cN/dtex, and 1.87cN/dtex, respectively, the dye-uptake was reduced to 71.4%, 72.3%, 70.9%, respectively, and the fabric air permeability was reduced to 8.12%, 8.43%, 8.33%, respectively, as compared with example 1, as compared with example 2, and as compared with example 3, as compared with example 3.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. A production process of a cationic coffee carbon thermal fiber is characterized in that: the method comprises the following steps:
(a) Putting the regenerated cationic polyester chips into a crystallization drying device for crystallization and drying, and putting the coffee carbon master batch into a dryer for drying; the dried regenerated cationic polyester chips and coffee carbon master batches are sent into a master batch machine according to the proportion for blending;
the crystallization drying device comprises a kettle body (1) and a first stirring paddle (2), a first rotating shaft (3), a second rotating shaft (4), a third rotating shaft (5), a liftable first filter (6), a liftable second filter (7), a fourth rotating shaft (8), a fifth rotating shaft (47) and a sixth rotating shaft (82) which are respectively arranged in the kettle body (1), wherein the shaft part of the first stirring paddle (2) and the first rotating shaft (3) are concentrically sleeved with the inner ring and the outer ring, the upper part of the first stirring paddle (2) extends out of the first rotating shaft (3), the second rotating shaft (4) and the third rotating shaft (5) are symmetrically arranged on two sides of the first rotating shaft (3), the fifth rotating shaft (47) and the second rotating shaft (4) are vertically distributed, the fifth rotating shaft (47) and the second rotating shaft (4) are connected through a first electromagnetic clutch (48), the shaft of the first stirring paddle (2) extending out of the first rotating shaft (3) is alternately meshed with the fifth rotating shaft (47) and the third rotating shaft (5) through a transmission gear (21), the fourth rotating shaft (8) and the sixth rotating shaft (82) are connected with the fourth rotating shaft (8) through a fourth clutch (82) in an up-down distribution manner, the second rotating shaft (4) is in transmission connection with the sixth rotating shaft (82) in the same direction, the second rotating shaft (4) is in transmission connection with the first rotating shaft (3) in the opposite direction, the first filter (6) is in circumferential limit connection in the kettle body (1) and is driven to lift by the second rotating shaft (4), the second filter (7) is driven to lift by the first rotating shaft (3), and the lifting directions of the first filter (6) and the second filter (7) are opposite;
(b) And conveying the obtained blend to a screw extruder for melt extrusion, metering the obtained spinning melt by a metering pump, spinning by a spinning component to generate primary filaments, heating the primary filaments, slowly cooling in a windless area, cooling by circular blowing, oiling in a bundling manner, and then carrying out pre-networking, drafting shaping and winding shaping to obtain the cationic coffee carbon fiber.
2. The production process of the cationic coffee carbon thermal fiber according to claim 1, which is characterized in that: in the step (a), the crystallization temperature of the regenerated cationic polyester chip is 158 ℃, the drying temperature is 160 ℃, and the drying wind pressure is 0.1MPa.
3. The production process of the cationic coffee carbon thermal fiber according to claim 1, which is characterized in that: in the step (a), the drying temperature of the coffee carbon master batch is 90 ℃, and the drying wind pressure is 0.07MPa.
4. The production process of the cationic coffee carbon thermal fiber according to claim 1, which is characterized in that: in the step (a), the regenerated cationic polyester chips and the coffee carbon master batch are mixed according to the mass ratio of 18-20:1.
5. The production process of the cationic coffee carbon thermal fiber according to claim 1, which is characterized in that: in step (b), the screw extruder had a diameter of 65mm and an aspect ratio of 25, and the heating temperature in one to five zones was: one region 278 ℃, two regions 284 ℃, three regions 286 ℃, four regions 290 ℃, five regions 292 ℃.
6. The production process of the cationic coffee carbon thermal fiber according to claim 1, which is characterized in that: in the step (b), the post-heating temperature of the spinning component is 310 ℃ and the component pressure is 15.1MPa; the height of the windless area is 46mm; the air temperature of the circular blowing air is 20 ℃ and the air pressure is 42Pa.
7. The production process of the cationic coffee carbon thermal fiber according to claim 1, which is characterized in that: in the step (b), when the cluster is used for oiling, the oiling height is 1000mm, the distance between the cluster guide wire hook and the oil nozzle is 200mm, and the concentration of the oiling agent is 11wt%.
8. The production process of the cationic coffee carbon thermal fiber according to claim 1, which is characterized in that: in the step (b), the rotating speed of the first drafting roller is 2850-2867m/min and the rotating speed of the second drafting roller is 2870-2880m/min during drafting and shaping; the winding speed is 2822-2855m/min and the winding tension is 8-9cN during winding and forming.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210792257.XA CN115305595A (en) | 2022-07-05 | 2022-07-05 | Preparation process of cationic coffee carbon thermal fibers |
| CN202210792257X | 2022-07-05 |
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| CN202310807418.2A Pending CN116905113A (en) | 2022-07-05 | 2023-07-03 | Production process of cationic coffee carbon thermal insulation fiber |
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| JP2005028683A (en) * | 2003-07-10 | 2005-02-03 | Fuji Photo Film Co Ltd | Drying apparatus and its operating method |
| JP2010201782A (en) * | 2009-03-03 | 2010-09-16 | Kawata Mfg Co Ltd | Drier |
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| CN111411404A (en) * | 2020-04-30 | 2020-07-14 | 浙江佳人新材料有限公司 | Preparation process of regenerated semi-dull cationic fiber |
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| CN115305595A (en) * | 2022-07-05 | 2022-11-08 | 浙江佳人新材料有限公司 | Preparation process of cationic coffee carbon thermal fibers |
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- 2022-07-05 CN CN202210792257.XA patent/CN115305595A/en not_active Withdrawn
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- 2023-07-03 CN CN202310807418.2A patent/CN116905113A/en active Pending
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| JP2005028683A (en) * | 2003-07-10 | 2005-02-03 | Fuji Photo Film Co Ltd | Drying apparatus and its operating method |
| JP2010201782A (en) * | 2009-03-03 | 2010-09-16 | Kawata Mfg Co Ltd | Drier |
| CN102534848A (en) * | 2010-12-21 | 2012-07-04 | 上海德福伦化纤有限公司 | Production method of coffee polyester multifunctional fiber |
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| CN115305595A (en) * | 2022-07-05 | 2022-11-08 | 浙江佳人新材料有限公司 | Preparation process of cationic coffee carbon thermal fibers |
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