CN108893795B - Processing equipment and process of flame-retardant colored fine-denier polyester industrial yarn - Google Patents
Processing equipment and process of flame-retardant colored fine-denier polyester industrial yarn Download PDFInfo
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- CN108893795B CN108893795B CN201811078701.1A CN201811078701A CN108893795B CN 108893795 B CN108893795 B CN 108893795B CN 201811078701 A CN201811078701 A CN 201811078701A CN 108893795 B CN108893795 B CN 108893795B
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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
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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- 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
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
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Abstract
The invention discloses a processing device and a processing technology of flame-retardant colored fine-denier polyester industrial yarns, wherein the processing device of the flame-retardant colored fine-denier polyester industrial yarns comprises a pulping kettle, an esterification kettle, a polymerization kettle, a solid-phase polymerization reactor, a screw extruder and a spinneret plate which are sequentially arranged from left to right, one sides of the pulping kettle, the esterification kettle, the polymerization kettle, the solid-phase polymerization reactor and the screw extruder, which are close to the spinneret plate, are all provided with one ends of discharge pipes, one sides of the esterification kettle, the polymerization kettle, the solid-phase polymerization reactor, the screw extruder and the spinneret plate, which are close to the pulping kettle, are all provided with one ends of feed pipes, the other ends of the discharge pipes are connected with joints. The invention has reasonable design, high practicability and simple structure, can quickly connect the feeding pipe to the corresponding discharging pipe, increases the sealing property of the connection part, and can quickly prepare the colored and fine denier polyester industrial yarn with the flame retardant function.
Description
Technical Field
The invention relates to the technical field of liquid phase, gas phase or steam treatment of textile materials, in particular to processing equipment and a process of flame-retardant colored fine-denier polyester industrial yarns.
Background
The polyester industrial yarn is generally prepared into high-viscosity PET chips by using low-viscosity PET chips through a solid-phase polymerization method, and then is a high-performance fiber produced by the high-viscosity PET at a spinning temperature of more than 300 ℃, and is widely applied to the fields of tire cords, safety belts, conveyor belts, canvas and the like as industrial yarn because the polyester industrial yarn has the excellent characteristics of good dimensional stability, high strength, high modulus, low secondary length and the like.
For the polyester industrial yarn, the molecular weight has a great influence on the performance, the larger the molecular weight is and the narrower the molecular weight is and the distribution is, the better the mechanical property is, therefore, in order to obtain the polyester industrial yarn with high strength and high modulus, the low-viscosity PET slice is generally adopted to carry out solid phase tackifying (SSP) by a solid phase polymerization method to improve the viscosity of the PET slice, the PET slice is generally carried out at a temperature between the vitrification temperature and the melting point by taking vacuum or inert gas as a removing medium generated by micromolecules in the solid phase tackifying process, micromolecule water is generated by the polycondensation reaction of terminal hydroxyl and terminal carboxyl in the PET molecule in the solid phase tackifying process, the molecular weight of the PET is increased along with the reaction, the system viscosity is increased, the micromolecule removing is difficult, in order to remove the micromolecule in the tackifying process, the reaction temperature must be increased, the residence time of the slice is increased, the gas flow rate is, therefore, the production cost of the product is greatly increased, the process engineering is complex, the operation is difficult and the like.
Based on the requirement for melt uniformity in polyester production, most of common functional polyester industrial yarn products are products with single function, such as flame-retardant polyester industrial yarns (such as patent application No. 201410240063.4 and application No. 201110076163.4), fine-denier polyester industrial yarns (such as application No. 201510277919.X and application No. 200810024796.9), conductive low-shrinkage polyester industrial yarns (such as application No. 201510570993.0) and the like, and the functional polyester industrial yarns can only meet the requirement for melt uniformity required by spinning to a limited extent, but have no report on processing of polyester industrial yarns with multiple functions, such as flame retardance, color and fine denier.
The present application was made based on this.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides processing equipment and a process for flame-retardant colored fine-denier polyester industrial yarns.
The invention provides processing equipment of flame-retardant colored fine denier polyester industrial yarns, which comprises a pulping kettle, an esterification kettle, a polymerization kettle, a solid-phase polymerization reactor, a screw extruder and a spinneret plate which are sequentially arranged from left to right, wherein one side of the pulping kettle, the esterification kettle, the polymerization kettle, the solid-phase polymerization reactor and the screw extruder, which is close to the spinneret plate, is provided with one end of a discharge pipe, one side of the esterification kettle, the polymerization kettle, the solid-phase polymerization reactor, the screw extruder and the spinneret plate, which is close to the pulping kettle, is provided with one end of a feed pipe, the other end of the discharge pipe is connected with a joint, one side of the joint, which is close to the spinneret plate, is provided with a groove, the other end of the feed pipe extends into the corresponding groove and is connected with a mounting ring, through holes are respectively formed in the top inner wall, the outside screw thread cover of lead screw is equipped with the slide, the equal fixed mounting in top and the bottom of slide has the gag lever post, and sliding sleeve is equipped with same kelly on two gag lever posts that are located same recess, one side fixed mounting that the kelly is close to the making beating cauldron has the card post, the collar is close to one side of spinneret and sets up two draw-in grooves with card post looks adaptation, the card post is close to the one end of making beating cauldron and extends to in the draw-in groove that corresponds and clamps with the draw-in groove activity, fixed mounting has the spacing ring on the inner wall of recess, one side fixed mounting that the spacing ring is close to the spinneret has the sealing washer, one side that the sealing washer is close to the spinneret is close to one side swing joint of.
Preferably, the outer side of the screw rod is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly installed on the side wall of the corresponding through hole.
Preferably, one end of the screw rod close to the spinneret plate extends to the outer side of the corresponding groove and is fixedly provided with a knob.
Preferably, a rectangular hole is formed in one side of the clamping rod, the sliding plate is slidably mounted in the corresponding rectangular hole, limiting holes are formed in the inner wall of the top of the rectangular hole and the inner wall of the bottom of the rectangular hole, and the limiting rod is slidably connected with the corresponding limiting holes.
Preferably, the inner wall of the bottom of the groove is provided with a connecting hole, and the connecting hole is communicated with the corresponding discharge pipe.
Preferably, a joint between the esterification kettle and the polymerization kettle is connected with a flame retardant injection pipe, and the flame retardant injection pipe is communicated with the corresponding groove.
Preferably, a color oil injection pipe is connected to the joint between the screw extruder and the spinneret plate, and the color oil injection pipe is communicated with the corresponding groove.
The invention also provides a processing technology of the flame-retardant colored fine-denier polyester industrial yarn, which comprises the following steps:
s1: putting the raw materials into a pulping kettle for pulping;
s2: after pulping uniformly, entering an esterification kettle for esterification treatment;
s3: injecting a flame retardant into the injection pipe after the raw materials are esterified;
s4: mixing the raw materials with a flame retardant and then introducing into a polymerization kettle for polymerization;
s5: after the polymerization is finished, introducing the raw materials into a solid-phase polymerization reactor to improve the viscosity of the raw materials;
s6: after the viscosity of the raw material is improved, putting the raw material into a screw extruder for high-temperature melting, so that the raw material is melted into a molten state;
s7: injecting color oil into the color oil injection pipe;
s8: and mixing the color oil and the raw materials, spraying the molten raw materials through a spinneret plate, and drafting and heat-setting to form the fine denier polyester yarn.
Preferably, in S2, the injection temperature of the flame retardant is the same as the temperature of the esterified raw material, and in S7, the injection temperature of the oil in color is the same as the temperature of the molten raw material.
Preferably, in S3, the flame retardant is a phosphorus flame retardant.
Compared with the prior art, the invention has the beneficial effects that:
the quick connection of the feeding pipe and the discharging pipe is realized by matching the pulping kettle, the esterification kettle, the polymerization kettle, the solid phase polymerization reactor, the screw extruder, a spinneret plate, the discharging pipe, the feeding pipe, a joint, a groove, a mounting ring, a through hole, a screw rod, a sliding plate, a limiting rod, a clamping column, a clamping groove, a limiting hole, a rectangular hole, a knob, a bearing, a limiting ring, a sealing ring, a flame retardant injection pipe and a color oil injection pipe;
the flame retardant is injected into the esterified raw materials, so that flame-retardant processing is realized, the colored processing is realized on the basis of flame retardance by injecting the color oil into the molten raw materials, and the fine denier processing on the basis of flame retardance is realized by spraying the molten raw materials by using the spinneret plate. The injection temperature of the flame retardant is the same as that of the esterified raw materials and the injection temperature of the color oil is the same as that of the molten raw materials, so that the uniformity of the melt is ensured, and the processing effects of strength and spinnability after fine denier processing are ensured;
the invention has reasonable design, high practicability and simple structure, can quickly connect the feeding pipe to the corresponding discharging pipe, increases the sealing property of the connection part, and can quickly prepare the colored and fine denier polyester industrial yarn with the flame retardant function.
Drawings
FIG. 1 is a schematic structural diagram of a processing device of the flame-retardant colored fine denier polyester industrial yarn provided by the invention;
FIG. 2 is a schematic structural diagram of part A of the processing equipment of the flame-retardant colored fine denier polyester industrial yarn provided by the invention;
FIG. 3 is a schematic structural diagram of part B of the processing equipment of the flame-retardant colored fine denier polyester industrial yarn provided by the invention;
FIG. 4 is a schematic structural diagram of a part C of the processing equipment of the flame-retardant colored fine denier polyester industrial yarn provided by the invention;
FIG. 5 is a flow chart of the processing technology of the flame-retardant colored fine denier polyester industrial yarn provided by the invention.
In the figure: 1 pulping kettle, 2 esterifying kettle, 3 polymerizing kettle, 4 solid phase polymerization reactor, 5 screw extruder, 6 spinneret plate, 7 discharging pipe, 8 feeding pipe, 9 joint, 10 groove, 11 mounting ring, 12 through hole, 13 screw rod, 14 sliding plate, 15 spacing rod, 16 clamping rod, 17 clamping column, 18 clamping groove, 19 spacing hole, 20 rectangular hole, 21 knob, 22 bearing, 23 spacing ring, 24 sealing ring, 25 flame retardant injection pipe and 26 color oil injection pipe.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-5, the present embodiment provides a processing apparatus for flame retardant colored fine denier polyester industrial yarn, which includes a pulping kettle 1, an esterification kettle 2, a polymerization kettle 3, a solid phase polymerization reactor 4, a screw extruder 5 and a spinneret 6, which are sequentially arranged from left to right, wherein one sides of the pulping kettle 1, the esterification kettle 2, the polymerization kettle 3, the solid phase polymerization reactor 4 and the screw extruder 5, which are close to the spinneret 6, are respectively provided with one end of a discharge pipe 7, one sides of the esterification kettle 2, the polymerization kettle 3, the solid phase polymerization reactor 4, the screw extruder 5 and the spinneret 6, which are close to the pulping kettle 1, are respectively provided with one end of a feed pipe 8, the other end of the discharge pipe 7 is connected with a joint 9, one side of the joint 9, which is close to the spinneret 6, is provided with a groove 10, the other end of the feed pipe 8 extends into the corresponding groove 10 and, one side of the through hole 12 close to the spinneret plate 6 is provided with an opening, a screw rod 13 is rotatably installed in the through hole 12, a sliding plate 14 is sleeved on the outer side of the screw rod 13 in a threaded manner, limiting rods 15 are fixedly installed at the top and the bottom of the sliding plate 14, the same clamping rod 16 is slidably sleeved on the two limiting rods 15 in the same groove 10, a clamping column 17 is fixedly installed at one side of the clamping rod 16 close to the pulping kettle 1, two clamping grooves 18 matched with the clamping columns 17 are formed at one side of the installation ring 11 close to the spinneret plate 6, one end of the clamping column 17 close to the pulping kettle 1 extends into the corresponding clamping groove 18 and is movably clamped with the clamping groove 18, a limiting ring 23 is fixedly installed on the inner wall of the groove 10, a sealing ring 24 is fixedly installed at one side of the limiting ring 23 close to the spinneret plate 6, one side of the sealing ring 24 close to the spinneret plate, The esterification kettle 2, the polymerization kettle 3, the solid phase polymerization reactor 4, the screw extruder 5, the spinneret plate 6, the discharge pipe 7, the feed pipe 8, the joint 9, the groove 10, the mounting ring 11, the through hole 12, the lead screw 13, the slide plate 14, the limiting rod 15, the clamping rod 16, the clamping column 17, the clamping groove 18, the limiting hole 19, the rectangular hole 20, the knob 21, the bearing 22, the limiting ring 23, the sealing ring 24, the flame retardant injection pipe 25 and the color oil injection pipe 26 are matched, so that the feed pipe 8 is conveniently and quickly fixed on the joint 9, the sealing property between the feed pipe 8 and the joint 9 is increased, the raw material leakage phenomenon is avoided, and the quick connection between the feed pipe 8 and the discharge pipe 7 is realized; the flame retardant is injected into the esterified raw materials, so that flame-retardant processing is realized, the colored processing is realized on the basis of flame retardance by injecting the color oil into the molten raw materials, and the fine denier processing is realized on the basis of flame retardance by utilizing the spinneret plate 6 to perform spinneret arrangement on the molten raw materials. The injection temperature of the flame retardant is the same as that of the esterified raw materials and the injection temperature of the color oil is the same as that of the molten raw materials, so that the uniformity of the melt is ensured, and the processing effects of strength and spinnability after fine denier processing are ensured; the invention has reasonable design, high practicability and simple structure, can quickly connect the feeding pipe 8 to the corresponding discharging pipe 7, increases the sealing property of the connection part, and can quickly prepare the colored and fine denier polyester industrial yarn with the flame retardant function.
In the embodiment, a bearing 22 is fixedly sleeved on the outer side of a screw rod 13, the outer ring of the bearing 22 is fixedly installed on the side wall of a corresponding through hole 12, one end of the screw rod 13 close to a spinneret plate 6 extends to the outer side of a corresponding groove 10 and is fixedly installed with a knob 21, one side of a clamping rod 16 is provided with a rectangular hole 20, a sliding plate 14 is slidably installed in the corresponding rectangular hole 20, the inner walls of the top and the bottom of the rectangular hole 20 are respectively provided with a limiting hole 19, a limiting rod 15 is slidably connected with the corresponding limiting hole 19, the inner wall of the bottom of the groove 10 is provided with a connecting hole, the connecting hole is communicated with a corresponding discharge pipe 7, a joint 9 between a pulping kettle 1 and an esterification kettle 2 is connected with a flame retardant injection pipe 25, the flame retardant injection pipe 25 is communicated with the corresponding groove 10, and a joint 9 between a screw extruder, the color oil injection pipe 26 is communicated with the corresponding groove 10, under the matching of the pulping kettle 1, the esterification kettle 2, the polymerization kettle 3, the solid phase polymerization reactor 4, the screw extruder 5, the spinneret plate 6, the discharge pipe 7, the feed pipe 8, the joint 9, the groove 10, the mounting ring 11, the through hole 12, the lead screw 13, the slide plate 14, the limiting rod 15, the clamping rod 16, the clamping column 17, the clamping groove 18, the limiting hole 19, the rectangular hole 20, the knob 21, the bearing 22, the limiting ring 23, the sealing ring 24, the flame retardant injection pipe 25 and the color oil injection pipe 26, the feed pipe 8 is conveniently and quickly fixed on the joint 9, the sealing property between the feed pipe 8 and the joint 9 is increased, the raw material leakage phenomenon is avoided, and the quick connection of the feed pipe 8 and the discharge pipe 7 is realized; the flame retardant is injected into the esterified raw materials, so that flame-retardant processing is realized, the colored processing is realized on the basis of flame retardance by injecting the color oil into the molten raw materials, and the fine denier processing is realized on the basis of flame retardance by utilizing the spinneret plate 6 to perform spinneret arrangement on the molten raw materials. The injection temperature of the flame retardant is the same as that of the esterified raw materials and the injection temperature of the color oil is the same as that of the molten raw materials, so that the uniformity of the melt is ensured, and the processing effects of strength and spinnability after fine denier processing are ensured; the invention has reasonable design, high practicability and simple structure, can quickly connect the feeding pipe 8 to the corresponding discharging pipe 7, increases the sealing property of the connection part, and can quickly prepare the colored and fine denier polyester industrial yarn with the flame retardant function.
The embodiment also provides a processing technology of the flame-retardant colored fine denier polyester industrial yarn, which comprises the following steps:
s1: putting the raw materials into a pulping kettle 1 for pulping;
s2: after uniform pulping, the mixture enters an esterification kettle 2 for esterification treatment;
s3: injecting a flame retardant into the injection pipe 25 after the raw materials are esterified;
s4: mixing the raw materials with a flame retardant and then introducing the mixture into a polymerization kettle 3 for polymerization;
s5: after the polymerization is finished, introducing the raw materials into a solid-phase polymerization reactor 4 to improve the viscosity of the raw materials;
s6: after the viscosity of the raw material is improved, putting the raw material into a screw extruder 5 for high-temperature melting, so that the raw material is melted into a molten state;
s7: injecting the color oil into the color oil injection pipe 26;
s8: and mixing the color oil and the raw materials, spraying the molten raw materials through a spinneret plate 6, and drafting and heat-setting to form the fine denier polyester yarn.
In this example, in S3, the injection temperature of the flame retardant is the same as the raw material temperature after esterification, in S7, the injection temperature of the color oil is the same as the raw material temperature in the molten state, and in S3, the flame retardant is a phosphorus flame retardant.
In this embodiment, when the feeding pipe 8 is not connected to the corresponding joint 9, the mounting ring 11 is separated from the corresponding groove 10, at this time, the clamping rod 16 is moved, the clamping rod 16 moves on the sliding plate 14 to the outer side of the joint 9 until the clamping rod 16 is separated from the groove 10, at this time, the mounting ring 11 is placed in the corresponding groove 10, and the mounting ring 11 is in contact with the corresponding sealing ring 24, at this time, the clamping rod 16 is moved, so that the clamping rod 16 moves to the inner side of the joint 9, the clamping rod 16 drives the clamping column 17 to move to be flush with the position of the corresponding clamping groove 18, at this time, the knob 21 is rotated, the knob 21 drives the screw rod 13 to rotate, because the screw rod 13 is in threaded connection with the sliding plate 14, the sliding plate 14 is driven to move in the direction close to the pulping kettle 1 when the screw rod 13 rotates, the sliding plate 14 drives the clamping rod 16 to move through the limiting rod 15, the clamping rod 16, the clamping rod 16 extrudes the mounting ring 11 through the clamping column 17 at the moment, so that the mounting ring 11 can be tightly attached to the sealing ring 24, the sealing property between the feeding pipe 8 and the joint 9 is increased, the raw material leakage phenomenon is avoided, the quick connection between the feeding pipe 8 and the discharging pipe 7 is realized, the sealing property of the joint is better, and the processing of the flame-retardant colored and fine-denier polyester industrial yarns can be realized because the joint 9 between the pulping kettle 1 and the esterification kettle 2 is connected with the flame retardant injection pipe 25, the joint 9 between the screw extruder 5 and the spinneret plate 6 is connected with the color oil injection pipe 26, the color oil injection pipe 26 is communicated with the corresponding groove 10, and the main action parts are the flame retardant injection pipe 25 and the color oil injection pipe 26.
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 (10)
1. Processing equipment of flame-retardant colored fine denier polyester industrial yarns comprises a pulping kettle (1), an esterification kettle (2), a polymerization kettle (3), a solid-phase polymerization reactor (4), a screw extruder (5) and a spinneret plate (6) which are sequentially arranged from left to right, and is characterized in that one sides of the pulping kettle (1), the esterification kettle (2), the polymerization kettle (3), the solid-phase polymerization reactor (4) and the screw extruder (5) close to the spinneret plate (6) are respectively provided with one end of a discharge pipe (7), one sides of the esterification kettle (2), the polymerization kettle (3), the solid-phase polymerization reactor (4), the screw extruder (5) and the spinneret plate (6) close to the pulping kettle (1) are respectively provided with one end of a feed pipe (8), the other end of the discharge pipe (7) is connected with a joint (9), one side of the joint (9) close to the spinneret plate (6) is provided with a groove (, the other end of the inlet pipe (8) extends into a corresponding groove (10) and is connected with a mounting ring (11), through holes (12) are formed in the inner wall of the top and the inner wall of the bottom of the groove (10), one side, close to a spinneret plate (6), of each through hole (12) is provided with an opening, a lead screw (13) is rotatably mounted in each through hole (12), a sliding plate (14) is sleeved on the outer side of each lead screw (13) in a threaded manner, limiting rods (15) are fixedly mounted at the top and the bottom of each sliding plate (14), the same clamping rod (16) is slidably sleeved on the two limiting rods (15) in the same groove (10), one side, close to a pulping kettle (1), of each clamping rod (16) is fixedly mounted with a clamping column (17), one side, close to the spinneret plate (6), of the mounting ring (11) is provided with two clamping grooves (18), one end of the clamping column (17) close to the pulping kettle (1) extends into the corresponding clamping groove (18) and is movably clamped with the clamping groove (18), a limiting ring (23) is fixedly mounted on the inner wall of the groove (10), a sealing ring (24) is fixedly mounted on one side of the limiting ring (23) close to the spinneret plate (6), and one side of the sealing ring (24) close to the spinneret plate (6) is movably and hermetically connected with one side of the corresponding mounting ring (11) close to the pulping kettle (1).
2. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 1, wherein a bearing (22) is fixedly sleeved outside the screw rod (13), and an outer ring of the bearing (22) is fixedly installed on a side wall of the corresponding through hole (12).
3. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 1, wherein one end of the screw rod (13) close to the spinneret plate (6) extends to the outer side of the corresponding groove (10) and is fixedly provided with a knob (21).
4. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 1, wherein one side of the clamping rod (16) is provided with a rectangular hole (20), the sliding plate (14) is slidably mounted in the corresponding rectangular hole (20), the top inner wall and the bottom inner wall of the rectangular hole (20) are provided with limiting holes (19), and the limiting rod (15) is slidably connected with the corresponding limiting holes (19).
5. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 1, wherein the inner wall of the bottom of the groove (10) is provided with a connecting hole, and the connecting hole is communicated with the corresponding discharging pipe (7).
6. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 1, wherein a joint (9) between the esterification kettle (2) and the polymerization kettle (3) is connected with a flame retardant injection pipe (25), and the flame retardant injection pipe (25) is communicated with the corresponding groove (10).
7. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 1, wherein a joint (9) between the screw extruder (5) and the spinneret plate (6) is connected with a colored oil injection pipe (26), and the colored oil injection pipe (26) is communicated with the corresponding groove (10).
8. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 1, wherein the specific processing technology comprises the following steps:
s1: putting the raw materials into a pulping kettle (1) for pulping;
s2: after uniform pulping, the mixture enters an esterification kettle (2) for esterification treatment;
s3: injecting a flame retardant into the injection pipe (25) after the raw materials are esterified;
s4: mixing the raw materials with a flame retardant and then introducing the mixture into a polymerization kettle (3) for polymerization;
s5: after the polymerization is finished, introducing the raw materials into a solid-phase polymerization reactor (4) to improve the viscosity of the raw materials;
s6: after the viscosity of the raw material is improved, the raw material is put into a screw extruder (5) for high-temperature melting, so that the raw material is melted into a molten state;
s7: injecting the color oil into the color oil injection pipe (26);
s8: and (3) mixing the color oil and the raw materials, spraying the molten raw materials through a spinneret plate (6), and drafting and heat setting to form the fine denier polyester yarn.
9. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 8, wherein in the S3, the injection temperature of the flame retardant is the same as the raw material temperature after esterification, and in the S7, the injection temperature of the color oil is the same as the raw material temperature in a molten state.
10. The processing equipment of the flame-retardant colored fine denier polyester industrial yarn as claimed in claim 8, wherein in the S3, the flame retardant is a phosphorus flame retardant.
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| CN201811078701.1A CN108893795B (en) | 2018-09-17 | 2018-09-17 | Processing equipment and process of flame-retardant colored fine-denier polyester industrial yarn |
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| CN201811078701.1A CN108893795B (en) | 2018-09-17 | 2018-09-17 | Processing equipment and process of flame-retardant colored fine-denier polyester industrial yarn |
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| CN108893795B true CN108893795B (en) | 2021-06-18 |
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| CN206320446U (en) * | 2016-11-23 | 2017-07-11 | 中国三冶集团有限公司 | A kind of fast connecting device of pipelines |
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Denomination of invention: Processing equipment and technology of flame retardant colored fine denier polyester industrial yarn Effective date of registration: 20211115 Granted publication date: 20210618 Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Haining sub branch Pledgor: ZHEJIANG KINGSWAY HIGH-TECH FIBER CO.,LTD. Registration number: Y2021330002263 |