CN216639801U - Production and processing equipment for high-glossiness stretch textured yarn - Google Patents
Production and processing equipment for high-glossiness stretch textured yarn Download PDFInfo
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- CN216639801U CN216639801U CN202122440541.4U CN202122440541U CN216639801U CN 216639801 U CN216639801 U CN 216639801U CN 202122440541 U CN202122440541 U CN 202122440541U CN 216639801 U CN216639801 U CN 216639801U
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Abstract
The utility model provides production and processing equipment of high-glossiness stretch textured yarns, and relates to the technical field of spinning. The production and processing equipment for the high-glossiness tensile textured yarn comprises a rack and a mounting plate fixedly connected to the side wall of the rack; the utility model ensures the refractive index and the transmissivity of fibers through four-blade spinneret orifices, can prevent polymer dissolution caused by modification and blending of nano Ag2O at the rear section by using a chemical coprecipitation method, reduces the interface effect of solid-liquid reflection by beating, improves the esterification rate in the polymerization process, adopts a pressurized esterification processing process to ensure the reaction activity and improve the reaction rate, and enters a circular blowing channel for cooling tows by blowing air through an air blower, so that the air filtered by an air filter box has no impurities, thereby avoiding causing surface pollution of the tows, and meanwhile, the problems of more tows and broken ends of the tows are greatly reduced by adjusting the air pressure through an air pressure adjusting box.
Description
Technical Field
The utility model relates to the technical field of spinning, in particular to production and processing equipment of high-glossiness stretch textured yarns.
Background
Terylene is an important variety in synthetic fiber, is the trade name of polyester fiber in China, and is fiber prepared by using Purified Terephthalic Acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (MEG) as raw materials, and performing esterification or ester exchange and polycondensation to obtain fiber-forming high polymer, namely polyethylene glycol terephthalate (PET), and spinning and post-treatment, wherein the polyester filament is a filament with the length of more than kilometers, and is wound into a group, and according to different production modes, the polyester filament is generally divided into three main types of primary yarn, drawn yarn and textured yarn
The stretched textured yarn is generally made from pre-oriented yarn serving as a raw material by a one-step stretching deformation method, has certain elasticity, is not soft in hand feeling compared with the conventional textured yarn, has stable quality, and meets the requirements of clothing by strong stretching, but the post-processing product of the polyester stretched textured yarn manufactured at present is comfortable, has poor flexibility, has poor light refraction and reflection effects on the surface of a yarn bundle, has dark glossiness, is provided with a plurality of broken filaments, and is easy to break, so that the woven fabric has poor softness and beauty.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides production and processing equipment of high-glossiness tensile textured yarns, and solves the problems that after-processed products of polyester tensile textured yarns manufactured by the traditional production and processing equipment of high-glossiness tensile textured yarns are comfortable, poor in flexibility, poor in light refraction and reflection effects on the surfaces of tows, dark in glossiness, multiple in broken filaments, easy to break, and poor in softness and beauty of woven fabrics.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a production and processing device of high-glossiness tensile textured yarns comprises a rack and a mounting plate fixedly connected to the side wall of the rack; the cross beam is fixedly connected to the inner side of the rack; the auxiliary material feeding device comprises a main feeding assembly, a static mixer, a booster pump and a metering pump, wherein the main feeding assembly, the static mixer, the booster pump and the metering pump are sequentially and fixedly connected to the upper wall of the rack from left to right; the spinning box is fixedly connected to the side wall of the rack and positioned on the upper side of the mounting plate, and the spinneret plate is clamped on the lower wall of the spinning box through a sliding structure; the melt filtering component is arranged in the spinning box and used for filtering melt impurities; the annular blowing channel is fixedly connected to the side wall of the rack and positioned on the lower side of the spinneret plate; the air blower is fixedly connected to the upper wall of the cross beam, an air filter box and a wind pressure adjusting box are sequentially and fixedly connected between the air blower and the circular blowing channel through pipelines, and an air filter assembly is clamped in the air filter box through a buckle; the top-down sets up at the oil tanker of mounting panel antetheca, nets ware, first GR guide pulley and sets up the second GR guide pulley on oil tanker right side in advance, the mounting panel antetheca just is located second GR guide pulley right side fixedly connected with in proper order and is used for tensile deformation device to the just tensile deformation of nascent silk and the book silk device that is used for collecting the finished product silk.
Preferably, the main feeding assembly comprises a screw extruder and a main material cylinder, the screw extruder is fixedly connected to the upper wall of the frame, the outlet end of the screw extruder is fixedly connected with one end of the main feeding pipe far away from the static mixer, and the main material cylinder is fixedly connected to the inlet end of the screw extruder.
Preferably, the auxiliary material adds the subassembly and includes auxiliary material input pump, auxiliary material cylinder, auxiliary material input pump exit end and main inlet pipe outer wall fixed connection link up with it, auxiliary material cylinder fixed connection is at auxiliary material input pump entrance point.
Preferably, the spinneret orifices are distributed on the inner wall of the spinneret plate in unequal arrangement, the spinneret orifices are distributed in a state of being close to the center, dense and edge-dispersed, the cross section of the spinneret orifices in a overlooking mode is of a four-leaf shape, and square bulges with the same size as the width of the four leaves are arranged at the end parts of the four leaves.
Preferably, sliding construction includes draw-in groove, joint boss, the draw-in groove sets up at spinning case inboard antetheca and back wall and is close to inboard lower wall position, the joint boss sets up at spinneret antetheca and back wall, joint boss and draw-in groove joint, the spinneret passes through draw-in groove, joint boss and spinning case joint.
Preferably, the air filter component comprises a side cover and an air filter screen, the side cover is connected with the side wall of the air filter box through a buckle in a clamped mode, and the air filter screen is connected with the side cover in a clamped mode on the inner side wall of the air filter box and towards one side of the side cover in a fixedly connected mode.
Preferably, the melt filtering component comprises filtering sand and a metal filter screen, and the filtering sand and the metal filter screen are arranged inside the spinning box from top to bottom.
A production processing method of high-glossiness stretch textured yarns comprises the following steps:
s1, preparing a main material polyester melt and an antibacterial polyester melt, respectively injecting the main material polyester melt and the antibacterial polyester melt into a main material cylinder and an auxiliary material cylinder, extruding the main material polyester melt into a main feeding pipe through a screw extruder, synchronously inputting the antibacterial polyester melt in the auxiliary material cylinder into the main feeding pipe through an auxiliary material input pump, and enabling the main material polyester melt and the antibacterial polyester melt to jointly enter a static mixer for full fusion;
s2, increasing the output pressure of the fused melt by a booster pump, metering the fused melt by a metering pump, distributing the fused melt into a spinning box, filtering the fused melt by filter sand and a metal filter residue net, and ejecting the fused melt through a four-leaf-like spinneret orifice on the inner wall of a spinneret plate;
s3, blowing the filaments sprayed out of the spinneret orifices to a circular blowing channel through a blower for cooling, oiling through an oiling wheel, networking through a pre-networking device, and then passing through a first GR guide wheel and a second GR guide wheel to obtain high-glossiness pre-oriented filaments;
s4, preparing high-glossiness optical stretch textured yarn by the stretch texturing device, and further winding and collecting the yarn by the yarn winding device.
Preferably, the preparation of the bacteriostatic melt comprises the following steps:
1) preparing a bacteriostatic agent by passivation treatment, dispersing Ag2O with the average particle size of 20-30 nanometers as an antibacterial agent by an eccentric mechanical stirring mode under the constant temperature condition, dispersing Ag2O in an alkaline solution (pure water with the pH value of 8-9), quickly stirring at the speed ratio of 2000-3800 r/min for 1.5h, then injecting Al (NO3)3 solution at a constant speed and a fixed amount under the production conditions of the speed ratio of 900-1900 r/min and the reaction temperature of 45-60 ℃, ensuring that the Al (NO3)3 solution is injected in 30min, then increasing the reaction temperature to 80 ℃ for uninterrupted reaction for 60min, enabling Al3+ to be adsorbed on the surface layer of Ag2O, enabling the inner environment of the reactor to be alkaline, converting the Al (OH)3 solution on the surface layer of Ag2O for deposition, then centrifuging the reaction aqueous solution at a high speed (6000 r/min for 20min), collecting precipitates, putting the precipitates into a vacuum dryer, drying at the temperature of 120 ℃ for 18 h, preparing the obtained bacteriostatic agent Ag 2O;
2) pulping, namely injecting C8H6O4, (CH2OH)2, CH3COONa (an ether inhibitor), Sb2(OCH2CH2O)3 (a catalyst) and C6H15O4P (a triethyl phosphate heat stabilizer) into a pulp kettle for blending, pulping at 15-80 ℃ for 45min to obtain a primary esterification pulping body, wherein the molar ratio of C8H6O4 to (CH2OH)2 is 1: 1.35;
3) esterification: after the preparation of the primary esterification pulping body is finished, injecting the primary esterification pulping body into an esterification reaction kettle through a conveying pipeline, wherein the esterification reaction temperature is 230-245 ℃, the working pressure is 0.20MPa, the reaction time is 2 hours, and a polymeric esterified substance is obtained after the reaction is finished;
4) pre-polycondensation: injecting the polyester polymer into a pre-polycondensation reaction kettle through a melt conveying pipeline, adding a bacteriostatic agent nano Ag2O in a polycondensation reaction adding mode under normal pressure, wherein the reaction temperature is 240-265 ℃, the reaction time is 1.5h, and obtaining an oligomer after the reaction is finished, wherein the mass ratio of the bacteriostatic agent nano Ag2O in the oligomer is 15%;
5) and final polycondensation: and injecting the oligomer into a final polymerization reaction kettle through a melt conveying pipeline, and carrying out polycondensation reaction all the time in a high-temperature vacuum environment to prepare the antibacterial polyester melt, wherein the reaction temperature is 280-288 ℃, the reaction vacuum degree is controlled to be 100-260 Pa, and the reaction time is 2 hours.
Preferably, the mass ratio of the antibacterial polyester melt to the main material polyester melt in the spinning process is 1: 5-10, the basic parameters of the melting spinning processing technology are that wind power is 0.7-0.9 m/min, a spinning tension sensor is 15-18 cN, the stretching ratio is 1.5-1.8 times, the speed of a first GR guide wheel is 3196 m/min, the speed of a second GR guide wheel is 3200 m/min, and the network pressure of a pre-networking device is 0.1 Mpa.
Preferably, the main parameters of the processing technology of the stretching deformation device are that the production processing efficiency is 400-500 m/min, the stretching multiplying power is 1.10, the ratio of the linear speed of the friction disc to the speed of the strand silk leaving the false twister is 1.75, the deformation temperature is 170 ℃, the setting temperature is 80 ℃, and the network pressure is 0.11 Mpa.
Preferably, when the passivation treatment is used for preparing bacteriostasis, the required mass of the nano Ag2O in the alkaline solution is 20%.
Preferably, when the antibacterial agent is prepared by passivation treatment, the molar ratio of Al (NO3)3 to nano Ag2O is 1: 15.
(III) advantageous effects
The utility model has the following beneficial effects:
1. the spinneret plate is used for spinneret spinning through spinneret orifices with four-leaf cross sections, the tows have four leaves imitating the four-leaf shape, the tail end ports of the tows are respectively provided with a protruding square, the circumference of the square is the same as the width of the four leaves imitating the four-leaf shape, the protruding squares can play a role in improving fiber luster, the protruding four-leaf squares are adopted to ensure the refractive index and the transmissivity of the fibers, and the tows manufactured through the equipment and the processing method have the characteristics of high glossiness and bright color.
2. An inert Al (OH)3 structure can be formed on the surface of the nano Ag2O by using a chemical coprecipitation method, so that the firepower of the nano Ag2O is reduced, the polymer is prevented from being dissolved when the nano Ag2O is modified and added and blended at the rear section, the solid-liquid reflection interface effect is reduced by beating operation in the whole process of polyester polymerization, the esterification rate in the polymerization process is improved, the overlong reaction test caused by the overlarge solid-liquid interface is prevented, the increase of the by-product C4H10O3 is prevented, the reaction activity is ensured and the reaction rate is improved by adopting a pressurized esterification processing technology.
3. The air enters the circular blowing channel through the air blower to cool the tows, the air filtered by the air filter box is free of impurities, the surface pollution of the tows is avoided, and meanwhile, air enters each pipeline on the circular blowing channel very uniformly through the adjustment of the air pressure by the air pressure adjusting box, so that the problems of multiple tows and broken ends are greatly reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view showing the internal structure of the air filtration tank of the present invention;
FIG. 3 is a cross-sectional view showing the internal structure of the manifold according to the present invention;
FIG. 4 is a schematic side view of a spinneret plate according to the present invention;
FIG. 5 is a top view of a spinneret plate structure according to the present invention;
fig. 6 is a partial enlarged view of the utility model at a in fig. 5.
Wherein, 1, a frame; 2. a cross beam; 3. a screw extruder; 4. a primary feed cylinder; 5. a static mixer; 6. a booster pump; 7. a metering pump; 8. an auxiliary material input pump; 9. an auxiliary charging barrel; 10. a spinning box; 11. a spinneret plate; 12. a blower; 13. an air filtration tank; 14. a wind pressure adjusting box; 15. a circular blowing channel; 16. loading onto a tanker; 17. a first GR guide wheel; 18. a second GR guide wheel; 19. a stretching deformation device; 20. a wire winding device; 21. a side cover; 22. buckling; 23. an air filter screen; 24. filtering sand; 25. a metal filter residue net; 26. a card slot; 27. clamping the boss; 28. a spinneret orifice; 29. mounting a plate; 30. a main feed pipe; 31. and (4) pre-networking the network device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 6, an embodiment of the present invention provides a production and processing apparatus for high-gloss draw textured yarn, which includes a frame 1 and a mounting plate 29 fixedly connected to a side wall of the frame 1; a beam 2 fixedly connected to the inner side of the frame 1; the device comprises a main feeding component, a static mixer 5, a booster pump 6 and a metering pump 7 which are fixedly connected to the upper wall of a frame 1 from left to right in sequence, wherein a main feeding pipe 30 is fixedly connected between the main feeding component and the static mixer 5, and an auxiliary material adding component is arranged on the outer wall of the main feeding pipe 30; the spinning box 10 is fixedly connected to the side wall of the rack 1 and positioned on the upper side of the mounting plate 29, the spinneret plate 11 is clamped and connected to the lower wall of the spinning box 10 through a sliding structure, the inlet end of the spinning box 10 is fixedly connected with the outlet end of the metering pump 7, and a plurality of groups of spinneret orifices 28 which are vertically through are arranged on the inner wall of the spinneret plate 11; a melt filtering component arranged in the spinning box 10 and used for filtering melt impurities; a circular blowing channel 15 fixedly connected to the side wall of the frame 1 and positioned on the lower side of the spinneret plate 11; the air blower 12 is fixedly connected to the upper wall of the cross beam 2, an air filter box 13 and a wind pressure adjusting box 14 are sequentially and fixedly connected between the air blower 12 and the circular blowing channel 15 through pipelines, and an air filter assembly is clamped in the air filter box 13 through a buckle 22; the upper oiling wheel 16, the pre-netting device 31, the first GR guide wheel 17 and the second GR guide wheel 18 are arranged on the right side of the upper oiling wheel 16 from top to bottom, the stretching deformation device 19 used for stretching deformation of the primary yarns and the yarn winding device 20 used for collecting finished yarns are fixedly connected to the right side of the second GR guide wheel 18 on the front wall of the mounting plate 29 in sequence, and the stretching deformation device 19 and the yarn winding device 20 are common technologies in the market.
The main feeding component comprises a screw extruder 3, a main material barrel 4, the screw extruder 3 is fixedly connected to the upper wall of the frame 1, the outlet end of the screw extruder is fixedly connected with one end of the main feeding pipe 30 far away from the static mixer 5, the main material barrel 4 is fixedly connected to the inlet end of the screw extruder 3, the auxiliary material adding component comprises an auxiliary material input pump 8 and an auxiliary material barrel 9, the outlet end of the auxiliary material input pump 8 is fixedly connected with the outer wall of the main feeding pipe 30 and communicated with the main feeding pipe, the auxiliary material barrel 9 is fixedly connected to the inlet end of the auxiliary material input pump 8, and the antibacterial polyester melt is injected in through the online auxiliary material adding mode.
The spinneret orifices 28 are distributed on the inner wall of the spinneret plate 11 in unequal arrangement, the spinneret orifices 28 are distributed in a state of being close to the center, dense and distributed close to the edge, the overlooking section of the spinneret orifices 28 is of a four-leaf type, square bulges with the same size as the width of the four leaves are arranged at the end parts of the four leaves, and the refractive index and the transmissivity of fibers can be ensured through the cross section of the four-leaf type and the square bulges, so that the filament bundle has the characteristics of high glossiness and bright color.
Sliding construction includes draw-in groove 26, joint boss 27, and draw-in groove 26 sets up at spinning case 10 inboard antetheca and back wall and be close to inboard lower wall position, and joint boss 27 sets up at 11 antetheca of spinneret and back wall, joint boss 27 and draw-in groove 26 joint, and spinneret 11 passes through draw-in groove 26, joint boss 27 and spinning case 10 joint, can be convenient clear up the maintenance to spinneret 11 through sliding construction.
Air filter component includes side cap 21, airstrainer 23, and side cap 21 passes through buckle 22 joint at air filter box 13 lateral wall, and airstrainer 23 joint is at air filter box 13 inside wall and towards one side and side cap 21 fixed connection of side cap 21, airstrainer 23 fixed connection at side cap 21 lateral wall and with air filter box 13 joint, during the change, open buckle 22 and pull out side cap 21 and can pull out airstrainer 23.
The melt filtering component comprises filtering sand 24 and a metal filter screen 25, wherein the filtering sand 24 and the metal filter screen 25 are arranged inside the spinning box 10 from top to bottom, and impurities and large particles in the melt can be fully filtered through double filtering.
A production processing method of high-glossiness stretch textured yarns comprises the following steps:
s1, preparing a main material polyester melt and an antibacterial polyester melt, respectively injecting the main material polyester melt and the antibacterial polyester melt into a main material cylinder 4 and an auxiliary material cylinder 9, extruding the main material polyester melt into a main feeding pipe 30 through a screw extruder 3, synchronously inputting the antibacterial polyester melt in the auxiliary material cylinder 9 into the main feeding pipe 30 through an auxiliary material input pump 8, and fully fusing the main material polyester melt and the antibacterial polyester melt together in a static mixer 5, wherein the mass ratio of the antibacterial polyester melt to the main material polyester melt in the spinning process is 1: 5-10;
s2, increasing the output pressure of the fused melt through a booster pump 6, metering the fused melt through a metering pump 7, distributing the fused melt into a spinning box 10, filtering the fused melt through filter sand 24 and a metal filter residue net 25, and ejecting the fused melt through a four-leaf-like spinneret orifice 28 on the inner wall of a spinneret plate 11;
s3, blowing the filaments sprayed out of the spinneret orifice 28 to a circular blowing channel 15 through an air blower 12 for cooling, wherein the wind power is 0.7-0.9 m/min, oiling the filaments by an oiling wheel 16, networking the filaments by a pre-networking device 31, and then passing the filaments through a first GR guide wheel 17 and a second GR guide wheel 18 to obtain high-glossiness pre-oriented filaments, the spinning tension sensor is 15-18 cN, the stretching magnification is 1.5-1.8 times, the speed of the first GR guide wheel 17 is 3196 m/min, the speed of the second GR guide wheel 18 is 3200 m/min, and the networking pressure of the pre-networking device 31 is 0.1 MPa;
s4, preparing high-gloss optical stretch textured yarn by a stretch texturing device 19, further winding and collecting by a yarn winding device 20, wherein the main processing parameters of the stretch texturing device 19 are that the production and processing efficiency is 400-500 m/min, the stretching magnification is 1.10, the ratio of the linear speed of the friction disc to the speed of the strand silk leaving the false twister is 1.75, the deformation temperature is 170 ℃, the setting temperature is 80 ℃, and the network pressure is 0.11 Mpa.
The preparation method of the bacteriostatic melt comprises the following steps:
1) preparing a bacteriostatic agent by passivation treatment, dispersing Ag2O in an alkaline solution by using Ag2O with the average particle size of 20-30 nanometers as an antibacterial agent in an eccentric mechanical stirring manner under the condition of constant temperature, quickly stirring at a speed ratio of 2000-3800 revolutions per minute and 1.5 hours for dispersion, then injecting Al (NO3)3 solution at a constant speed and a fixed quantity under the production conditions of the speed ratio of 900-1900 revolutions per minute and the reaction temperature of 45-60 ℃, ensuring that the Al (NO3)3 solution is injected in 30 minutes, then increasing the reaction temperature to 80 ℃ for uninterrupted reaction for 60 minutes to ensure that Al3+ is adsorbed on the surface layer of Ag2O, ensuring that the environment in the reactor is alkaline, converting the surface layer of Ag2O into Al (OH)3 for deposition, then centrifuging the reaction water solution at a high speed for 6000 revolutions per minute for 20 minutes to collect precipitates at the bottom end, and placing the precipitates into a vacuum dryer for 18 hours at the temperature of 120 ℃, the prepared bacteriostatic agent Ag2O is prepared, when the bacteriostatic agent is prepared by passivation treatment, the required mass of the nano Ag2O in an alkaline solution is 20%, and when the bacteriostatic agent is prepared by passivation treatment, the molar ratio of Al (NO3)3 to the nano Ag2O is 1: 15, the bacteriostatic agent nano Ag2O has good bacteriostatic performance, but because Ag2O has very high chemical reaction activity, polyester can be rapidly decomposed and the polymerization degree can be reduced in the whole process of high-temperature polymerization of polyester, and by using a chemical coprecipitation method, an inert Al (OH)3 structure can be formed on the surface of nano Ag2O, so that the fire of nano Ag2O is reduced, and the polymer is prevented from being dissolved when nano Ag2O is modified, added and blended at the rear section;
2) pulping, namely injecting a C8H6O4, (CH2OH)2, CH3COONa anti-ether agent, a Sb2(OCH2CH2O)3 catalyst and a C6H15O4P triethyl phosphate thermal stabilizer into a pulp kettle for blending, pulping for 45min at the standard environment of 15-80 ℃ to obtain a primary esterified pulp body, wherein the molar ratio of the C8H6O4 to the (CH2OH)2 is 1:1.35, in the whole process of polyester polymerization, firstly, pulping is needed, and (CH2OH)2 aqueous solution is used for dissolving and dispersing the C8H6O4 and a modifier thereof, so that the interface effect of solid-liquid reflection is reduced, the esterification rate in the polymerization process is improved, and the phenomenon that a reaction overlength test is caused by overlarge solid-liquid interface is prevented, and the number of by-product C4H10O3 is increased;
3) and esterification: after the preliminary esterification pulping body is configured, the preliminary esterification pulping body is injected into an esterification reaction kettle through a conveying pipeline, the esterification reaction temperature is 230-245 ℃, the working pressure is 0.20MPa, the reaction time is 2h, the polymeric esterification product is obtained after the reaction is completed, the general esterification process is normal pressure esterification, a large amount of (CH2OH)2 is needed, the volatilization of (CH2OH)2 is uncontrollable, the esterification process can not be controlled, and a large amount of resource consumption is caused, meanwhile, an excess of (CH2OH)2 throughout the esterification leads to an increased content of by-product C4H10O3, a yellow melt color, therefore, a large amount of the anti-ether agent needs to be added, which causes the quality of the melt to be reduced, and the pressurized esterification processing technology is adopted, by increasing the saturated vapor pressure of (CH2OH)2, the volatilization amount of (CH2OH)2 is reduced, on the basis of improving the contact concentration of C8H6O4 and (CH2OH)2, the reaction activity is ensured, and the reaction rate is improved;
4) pre-polycondensation: injecting the polyester into a pre-polycondensation reaction kettle through a melt conveying pipeline, adding a bacteriostatic agent nano Ag2O in a form of adding in a polycondensation reaction under normal pressure, wherein the reaction temperature is 240-265 ℃, the reaction time is 1.5H, and obtaining an oligomer after the reaction is finished, wherein the mass ratio of the bacteriostatic agent nano Ag2O in the oligomer is 15%, and nano Ag2O with the surface coated with Al (OH)3 is added in the pre-polycondensation, so that the acidity of the pulped C8H6O4 in the raw material can be reduced, and the reaction with Al2(OH)3 is carried out, a surface coating in the passivated nano Ag2O is dissolved, the polyester degradation is accelerated, and the dispersibility of the passivated nano Ag2O is improved while the late-stage final polycondensation reaction is influenced;
5) and final polycondensation: injecting the oligomer into a final polymerization reaction kettle through a melt conveying pipeline, and carrying out polycondensation reaction all the time in a high-temperature vacuum environment to prepare antibacterial polyester melt, wherein the reaction temperature is 280-288 ℃, the reaction vacuum degree is controlled to be 100-260 Pa, the reaction time is 2h, the final polycondensation reaction is the whole process for further improving the relative molecular weight of the polyester melt, the relative molecular weight of the polyester is further improved by using the esterification transesterification reaction, in the esterification reaction process, the balanced dispersion and stable addition of the passivated nano Ag2O are realized by adopting the esterification technology, the coating structure of the modified material nano Ag2O is prevented from being damaged, the nano Ag2O structure reacts to melt the polyester main chain, the fluidity of the polyester is improved under the high-temperature vacuum condition, the development of the transesterification reaction is facilitated, meanwhile, the middle-end carboxyl group and the end-hydroxyl group in the melt react to remove moisture, the transesterification reaction is controlled to improve the polymerization degree of the polyester, the pipeline transportation and spinning of the subsequent melt are met, and the polyester dissolution is prevented from being accelerated by the in-situ polymerization of Ag2O, so that the polyester melt has too low viscosity and the polyester main chain is dissolved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The production and processing equipment of the high-glossiness stretch textured yarn is characterized by comprising the following steps of: comprises a frame (1) and a mounting plate (29) fixedly connected to the side wall of the frame (1);
a cross beam (2) fixedly connected to the inner side of the frame (1);
the auxiliary material feeding device comprises a main feeding component, a static mixer (5), a booster pump (6) and a metering pump (7), wherein the main feeding component, the static mixer (5), the booster pump (6) and the metering pump (7) are fixedly connected to the upper wall of the rack (1) from left to right, a main feeding pipe (30) is fixedly connected between the main feeding component and the static mixer (5), and an auxiliary material adding component is arranged on the outer wall of the main feeding pipe (30);
the spinning box (10) is fixedly connected to the side wall of the rack (1) and located on the upper side of the mounting plate (29), and the spinneret plate (11) is clamped on the lower wall of the spinning box (10) through a sliding structure, the inlet end of the spinning box (10) is fixedly connected with the outlet end of the metering pump (7), and a plurality of groups of spinneret holes (28) which are vertically through are formed in the inner wall of the spinneret plate (11);
the melt filtering component is arranged inside the spinning box (10) and is used for filtering melt impurities;
a circular blowing duct (15) fixedly connected to the side wall of the rack (1) and positioned on the lower side of the spinneret plate (11);
the air blower (12) is fixedly connected to the upper wall of the cross beam (2), an air filter box (13) and a wind pressure adjusting box (14) are sequentially and fixedly connected between the air blower (12) and the circular blowing channel (15) through pipelines, and an air filter component is clamped inside the air filter box (13) through a clamp (22);
the device comprises a loading wheel (16), a pre-net device (31), a first GR guide wheel (17) and a second GR guide wheel (18) arranged on the right side of the loading wheel (16), wherein the loading wheel (16), the pre-net device (31), the first GR guide wheel (17) and the second GR guide wheel (18) are arranged on the front wall of a mounting plate (29) from top to bottom, and a stretching deformation device (19) used for stretching deformation of a primary yarn and a yarn winding device (20) used for collecting a finished yarn are fixedly connected to the right side of the second GR guide wheel (18) in sequence on the front wall of the mounting plate (29).
2. The apparatus for producing and processing a high gloss draw textured yarn of claim 1, wherein: the main feeding assembly comprises a screw extruder (3) and a main material cylinder (4), the screw extruder (3) is fixedly connected to the upper wall of the frame (1), the outlet end of the screw extruder is fixedly connected with one end of the main feeding pipe (30), the outlet end of the screw extruder is far away from the static mixer (5), and the main material cylinder (4) is fixedly connected to the inlet end of the screw extruder (3).
3. The apparatus for producing and processing a high gloss draw textured yarn of claim 1, wherein: the auxiliary material adds the subassembly and includes auxiliary material input pump (8), auxiliary material section of thick bamboo (9), auxiliary material input pump (8) exit end and main inlet pipe (30) outer wall fixed connection link up with it, auxiliary material section of thick bamboo (9) fixed connection is at auxiliary material input pump (8) entrance point.
4. The apparatus for producing and processing a high gloss draw textured yarn of claim 1, wherein: the spinneret orifices (28) are distributed on the inner wall of the spinneret plate (11) in unequal arrangement, the spinneret orifices (28) are distributed in a state of being close to the center and being dense and being close to the edge in a dispersed manner, the cross section of the spinneret orifices (28) in a top view is of a four-leaf shape, and the end parts of the four leaves are provided with square bulges with the same size as the width of the four leaves.
5. The apparatus for producing and processing a high gloss draw textured yarn of claim 1, wherein: sliding construction includes draw-in groove (26), joint boss (27), draw-in groove (26) set up at spinning box (10) inboard antetheca and back wall and be close to inboard lower wall position, joint boss (27) set up at spinneret (11) antetheca and back wall, joint boss (27) and draw-in groove (26) joint, spinneret (11) are through draw-in groove (26), joint boss (27) and spinning box (10) joint.
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| CN202122440541.4U CN216639801U (en) | 2021-10-11 | 2021-10-11 | Production and processing equipment for high-glossiness stretch textured yarn |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969452A (en) * | 2021-10-11 | 2022-01-25 | 江苏嘉通能源有限公司 | Production and processing equipment and method for high-glossiness stretch textured yarn |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969452A (en) * | 2021-10-11 | 2022-01-25 | 江苏嘉通能源有限公司 | Production and processing equipment and method for high-glossiness stretch textured yarn |
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