A method for producing environmentally friendly Grei fiber

Abstract

This invention relates to the field of environmentally friendly Grei fiber production technology, specifically a method for producing environmentally friendly Grei fiber, comprising the following steps: preparing environmentally friendly Grei fiber by adding masterbatch to the drying equipment for drying, crystallizing chips, and then adding the chips back to the drying equipment for drying; mixing and drying by simultaneously adding the dried masterbatch and chips into the feeding hopper, controlling the blower through the controller, opening the air inlet valve to allow air to enter the feeding hopper for blowing and drying the masterbatch and chips, cooling and forming the environmentally friendly Grei fiber through a cooling and forming mechanism, applying oil to the cooled environmentally friendly Grei fiber through an oil nozzle, and then winding the environmentally friendly Grei fiber through a winding and forming mechanism.

Description

Technical Field

[0001] This invention relates to the field of production technology for environmentally friendly Grei fibers, and specifically to a method for producing environmentally friendly Grei fibers. Background Technology

[0002] In the current era where green, environmental protection, and low carbon are the themes, environmental protection and pollution prevention are hot topics for textile enterprises, indicating that the dyeing and printing industry will pay more attention to environmental protection, and potential complementary technologies will receive more attention. Among the many technologies, especially solution dyeing technology, the undyed fibers produced not only reduce the dyeing and printing process, save energy, and reduce emissions, but also produce fabrics with bright colors, uniform color, durability, and resistance to fading in the consumption and use of fiber products. They are also human-friendly and have great development prospects.

[0003] In the current process of forming environmentally friendly Grei fibers, a screw extruder is usually used to extrude the masterbatch and chips. However, the existing screw extruder has a low masterbatch addition ratio, a large masterbatch drying hopper, and a long masterbatch drying time, which leads to masterbatch adhesion. In addition, when the environmentally friendly Grei fibers are extruded, the air duct is short after entering the air duct, resulting in poor cooling effect.

[0004] To this end, we propose an environmentally friendly method for producing Grei fiber. This invention differs from conventional fiber production methods in that it involves opening a slit at the feed inlet of the screw extruder, through which the masterbatch feed pipe is placed. This allows the chips to mix at the feed inlet. Simultaneously, by extending the length of the air duct, the cooling effect is improved. Furthermore, optimization of the masterbatch drying process and component filtration process enhances product quality. The resulting product is characterized by its soft and comfortable feel, rich texture, strong drape, easy care, and abundant nap. It boasts excellent performance and is environmentally friendly, representing a typical example of green fiber. Summary of the Invention

[0005] To address the problems in the prior art, this invention provides an environmentally friendly method for producing Gree fiber, which facilitates the mixing of masterbatch and chips before feeding them into a screw extruder, thereby improving product production efficiency.

[0006] The technical solution adopted by this invention to solve its technical problem is an environmentally friendly method for producing Gree fiber, comprising the following steps:

[0007] To prepare environmentally friendly Grei fiber, the masterbatch is added to a drying device for drying, the slices are crystallized, and then the slices are added to a mixed drying structure for drying.

[0008] The mixed drying structure includes: a hopper, a controller, a blower, an air inlet pipe, an air inlet valve pipe, a motor shaft, and blades. The dried masterbatch and chips are simultaneously added to the hopper. The controller controls the blower, which draws air in through the air inlet pipe and then opens the air inlet valve pipe to allow air to enter the hopper, drying the masterbatch and chips. The controller also controls the motor, which drives the shaft, which in turn rotates the blades within the hopper, thus turning and drying the masterbatch and chips.

[0009] The melt extrusion structure includes an extruder, a controller, and a metering pump. After the mixed and dried chips and masterbatch are added into the screw extruder, the controller controls the screw extruder to fuse and extrude the chips and masterbatch. The melt of the fused masterbatch and chips enters the metering pump for metering and weighing. The metering pump can evenly discharge the melt into the spinneret of the screw extruder for extrusion.

[0010] The filament extrusion structure includes an extruder and a filament extrusion assembly. The extruded melt is conveyed to the filament extrusion assembly. The filament extrusion assembly uses a 5 / 10 mesh 180g metal sand ratio process and is filtered with a nine-layer composite mesh to achieve filament formation of the melt.

[0011] The cooling and forming structure includes: a spinneret assembly, a cooling mechanism, and an oil nozzle for oiling. The melt is formed after passing through the spinneret assembly. The environmentally friendly Grei fiber enters the cooling mechanism, which effectively improves the cooling conditions of the fiber bundle by extending the length of the cooling air duct. The environmentally friendly Grei fiber after cooling and forming is then oiled through the oil nozzle.

[0012] The winding and forming structure includes: a winding and forming mechanism, wherein the formed environmentally friendly Gree fiber enters the winding and forming mechanism, and the winding and forming mechanism winds and forms the environmentally friendly Gree fiber.

[0013] By adopting the above technical solution, when extruding environmentally friendly Grei fiber, a feed head is connected to the feed inlet of the screw extruder. The top of the feed head is connected to a discharge hopper via a discharge valve pipe. After the dried masterbatch and chips are added to the discharge hopper, the controller controls the motor, causing the motor to drive the output shaft to rotate. Since blades are installed on the shaft wall, these blades flip the masterbatch and chips in the discharge hopper. The controller then controls the blower, allowing air to enter through the air inlet pipe. Since the blower's exhaust port is connected to the outer wall of the discharge hopper via an air inlet valve pipe, air is discharged through the blower. A blower blows air into the hopper to dry the masterbatch and chips, preventing crystallization. The mixed masterbatch and chips are then fed into a screw extruder to extrude the environmentally friendly Gree fiber. The extruded Gree fiber enters a metering pump and is then transported to a spinneret. The spinneret extrudes and shapes the Gree fiber. The extruded Gree fiber then enters a cooling and forming mechanism to cool it. After cooling, the Gree fiber is oiled and then wound by a winding and forming mechanism.

[0014] Specifically, the optimization and improvement of the mixed drying process includes: First, optimizing the drying equipment by reducing the capacity of the original masterbatch drying drum from 300kg to 100kg. This adjustment shortens the drying time of the masterbatch in the drum, thereby reducing the occurrence of adhesion. Second, adjusting the drying temperature by lowering it by 20 degrees Celsius. This helps the masterbatch dry under gentler conditions, resulting in more uniform and stable moisture evaporation and preventing excessive shrinkage and deformation of the masterbatch during the drying process, effectively solving the adhesion problem. Third, increasing the air intake pressure by raising the dry air intake pressure by 0.2MPa. This change enhances the impact of the drying airflow on the masterbatch, improves drying efficiency, and further prevents masterbatch adhesion.

[0015] By adopting the above technical solutions, we first optimized the drying equipment by reducing the capacity of the original masterbatch drying drum from 300kg to 100kg. This adjustment shortened the drying time of the masterbatch in the drum, thereby reducing the occurrence of adhesion. Second, we adjusted the drying temperature by lowering it by 20 degrees Celsius. This measure helps the masterbatch dry under milder conditions, resulting in more uniform and stable moisture evaporation and preventing excessive shrinkage and deformation of the masterbatch during the drying process, effectively solving the adhesion problem. Third, we increased the intake air pressure by raising it by 0.2MPa. This change enhanced the impact of the drying airflow on the masterbatch, improved drying efficiency, and further prevented masterbatch adhesion.

[0016] Specifically, the melt extrusion step involves opening an opening at the feed head of the screw extruder, placing the feed hopper on the opening, and allowing the chips and masterbatch to begin mixing at the feed head of the screw extruder. After melting and further homogenizing through the screw extruder, the mixture enters the spinning chamber. Compared with conventional dyeing methods, solution dyeing eliminates the need for subsequent dyeing and finishing processes during production, and is superior to conventional dyeing in terms of color fastness, color uniformity, and raw material utilization.

[0017] By adopting the above technical solution, an opening is made at the feed head of the screw extruder, and the feed hopper is placed on the opening, so that the chips and masterbatch begin to mix at the feed head of the screw extruder. After being melted and further mixed evenly through the screw extruder, they enter the spinning box. Compared with conventional dyeing methods, solution dyeing eliminates the need for subsequent dyeing and finishing processes during the production process, and is superior to conventional dyeing in terms of color fastness, color uniformity, and raw material utilization.

[0018] Specifically, the spinneret uses a 5 / 10 mesh 180g metal abrasive mix and is filtered with a nine-layer composite mesh.

[0019] By adopting the above technical solution, we have adopted a specific metal sand ratio scheme, namely 5 / 10 mesh metal sand combined with an 800 mesh nine-layer integrated filter screen. This configuration can ensure that impurities cannot penetrate the filter screen during the production process, thereby avoiding the situation where the filter screen clogs the wire holes. At the same time, we have also improved the flow divider plate so that the melt can flow more evenly to the surroundings, further ensuring the uniform distribution of component pressure.

[0020] Specifically, the cooling mechanism can effectively improve the cooling conditions of the filament bundle by lengthening the length of the cooling duct. The original duct length was only 191 mm. However, by adding an 85 mm high device to the air box, the duct length was increased to 276 mm, forming an extended cooling zone.

[0021] By adopting the above technical solutions, the improvement of the air duct device successfully enhanced the stability of product production. The original air duct was only 191 mm long, resulting in poor cooling effect and unstable production process when spinning extra-coarse monofilaments. To solve this problem, we modified the air box structure by adding a device with a height of about 85 mm to the original air box, bringing the total length of the air duct to 276 mm. In addition, we adjusted the air pressure of the air duct to ensure effective cooling of the filament bundle. These improvements effectively improved the cooling effect of this product, enhanced production stability, and reduced fuzz and breakage during subsequent processing.

[0022] Specifically, it also includes a screw extruder, wherein a feed head is connected to the feed inlet of the screw extruder, a discharge valve pipe is connected to the top of the feed head, a discharge hopper is connected to the other end of the discharge valve pipe, a cover plate is fixedly installed on the top of the discharge hopper, a motor is bolted to the wall of the cover plate, a shaft is installed at the output end of the motor, blades are welded to the outer wall of the shaft, a blower is bolted to the shell wall of the screw extruder, an air inlet pipe is connected to the air inlet of the blower, the exhaust port of the blower is connected to the outer wall of the discharge hopper through an air inlet valve pipe, and a controller is installed on the shell wall of the screw extruder.

[0023] By adopting the above technical solution, when extruding environmentally friendly Grei fiber, a feed head is connected to the feed inlet of the screw extruder. The top of the feed head is connected to a discharge hopper via a discharge valve pipe. After the dried masterbatch and chips are added to the discharge hopper, the controller controls the motor, causing the motor to drive the output shaft to rotate. Since blades are installed on the shaft wall, these blades flip the masterbatch and chips in the discharge hopper. The controller then controls the blower, allowing air to enter through the air inlet pipe. Since the blower's exhaust port is connected to the outer wall of the discharge hopper via an air inlet valve pipe, air is discharged through the blower. A blower blows air into the hopper to dry the masterbatch and chips, preventing crystallization. The mixed masterbatch and chips are then fed into a screw extruder to extrude the environmentally friendly Gree fiber. The extruded Gree fiber enters a metering pump and is then transported to a spinneret. The spinneret extrudes and shapes the Gree fiber. The extruded Gree fiber then enters a cooling and forming mechanism to cool it. After cooling, the Gree fiber is oiled and then wound by a winding and forming mechanism.

[0024] The beneficial effects of this invention are:

[0025] (1) The method for producing environmentally friendly Grei fiber according to the present invention, when extruding the environmentally friendly Grei fiber, a feed head is connected to the feed inlet of the screw extruder, and a discharge hopper is connected to the top of the feed head through a discharge valve pipe. After the dried masterbatch and chips are added into the discharge hopper, the controller controls the motor to drive the output shaft of the motor to rotate. Since blades are installed on the shaft wall, the blades flip the masterbatch and chips in the discharge hopper. Then, the controller controls the blower so that after the air inlet pipe is opened, the air outlet of the blower is connected to the outer wall of the discharge hopper through the air inlet valve pipe. The process involves connecting the feed hopper and using a blower to blow air into it, thereby drying the masterbatch and chips and preventing crystallization. The mixed masterbatch and chips are then fed into a screw extruder to extrude the environmentally friendly Gree fiber. The extruded Gree fiber enters a metering pump and is then transported to a spinneret. The spinneret extrudes and shapes the Gree fiber. The extruded Gree fiber then enters a cooling and shaping mechanism to cool it. After cooling, the Gree fiber is oiled and then wound by a winding and shaping mechanism.

[0026] (2) The production method of the environmentally friendly Grei fiber described in this invention has a large capacity of the original masterbatch drying barrel, which leads to excessive drying time of the masterbatch and causes the masterbatch to stick together. In order to solve this problem, we replaced the original 300kg masterbatch drying barrel with a capacity of 100kg, and at the same time lowered the drying temperature by about 20 degrees and increased the dry air intake pressure by 0.2MPa. These adjustments shortened the drying time of the masterbatch from more than 30 hours to about 10 hours, successfully solved the problem of masterbatch sticking, and ensured that the moisture content of the masterbatch met the process requirements.

[0027] (3) The production method of the environmentally friendly Grei fiber described in this invention, after in-depth experimental research and combined with production experience, we have adopted a specific metal sand ratio scheme, namely 5 / 10 mesh metal sand and 800 mesh nine-layer comprehensive filter screen. This configuration can ensure that impurities cannot penetrate the filter screen during the production process, thereby avoiding the situation of the filter screen clogging the pores. At the same time, we have also improved the flow divider plate so that the melt can flow more evenly to the surroundings, further ensuring the uniform distribution of component pressure. Attached Figure Description

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0029] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0030] Figure 2This is a schematic diagram of the hopper structure of the present invention;

[0031] Figure 3 This is a schematic diagram of the blade structure of the present invention;

[0032] Figure 4 This is a schematic diagram of the production process structure of the present invention;

[0033] In the diagram: 1. Screw extruder; 2. Feed hopper; 3. Controller; 4. Blower; 5. Air inlet pipe; 6. Motor; 7. Discharge valve pipe; 8. Air inlet valve pipe; 9. Blade; 10. Cover plate; 11. Feed head; 12. Metering pump; 13. Spinneret assembly; 14. Cooling mechanism; 15. Oil nozzle; 16. Winding and forming mechanism; 17. Rotary shaft. Detailed Implementation

[0034] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0035] As one embodiment of the present invention, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the production method of environmentally friendly Grei fiber according to the present invention includes the following steps:

[0036] To prepare environmentally friendly Grei fiber, the masterbatch is added to a drying device for drying, the slices are crystallized, and then the slices are added to a mixed drying structure for drying.

[0037] The mixed drying structure includes: a hopper 2, a controller 3, a blower 4, an air inlet pipe 5, an air inlet valve pipe 8, a motor 6, a rotating shaft 17, and blades 9. The dried masterbatch and chips are simultaneously added to the hopper 2. The controller 3 controls the blower 4, which draws air in through the air inlet pipe 5 and then opens the air inlet valve pipe 8, allowing air to enter the hopper 2 to dry the masterbatch and chips. The controller 3 controls the motor 6, which drives the rotating shaft 17, which in turn rotates the blades 9 within the hopper 2, thus turning and drying the masterbatch and chips.

[0038] The melt extrusion structure includes: an extruder 1, a controller 3, and a metering pump 12. After the mixed and dried chips and masterbatch are added into the screw extruder 1, the controller 3 controls the screw extruder 1. The screw extruder 1 fuses and extrudes the chips and masterbatch, so that the melt of the fused masterbatch and chips enters the metering pump 12 for metering and weighing. The metering pump 12 can evenly discharge the melt into the spinneret orifice of the screw extruder 1 for extrusion.

[0039] The filament discharge structure includes: an extruder 1 and a filament assembly 13. The extruded melt is conveyed to the filament assembly 13. The filament assembly uses a 5 / 10 mesh 180g metal sand ratio process and is filtered with a nine-layer composite mesh to achieve filament forming of the melt.

[0040] The cooling and forming structure includes: a spinneret 13, a cooling mechanism 14, and an oil nozzle 15. The melt is formed after passing through the spinneret 13, and the environmentally friendly Grei fiber enters the cooling mechanism 14. The cooling mechanism 14 can effectively improve the cooling conditions of the fiber bundle by extending the length of the cooling air duct. The environmentally friendly Grei fiber after cooling and forming is oiled through the oil nozzle 15.

[0041] The winding and forming structure includes: a winding and forming mechanism 16, into which the formed environmentally friendly Gree fiber enters and is wound and formed by the winding and forming mechanism 16.

[0042] During use, when extruding environmentally friendly Grei fiber, a feed head 11 is connected to the feed inlet of the screw extruder 1. The top of the feed head 11 is connected to a discharge hopper 2 via a discharge valve pipe 7. After the dried masterbatch and chips are added into the discharge hopper 2, the controller 3 controls the motor 6, causing the motor 6 to drive the output shaft 17 to rotate. Since blades 9 are installed on the shaft wall of the shaft 17, the blades 9 flip the masterbatch and chips in the discharge hopper 2. The controller 3 then controls the blower 4, causing air to enter through the air inlet pipe 5. Since the exhaust port of the blower 4 is connected to the outer wall of the discharge hopper 2 via an air inlet valve pipe 8, ... Blower 4 blows air into hopper 2 to dry the masterbatch and chips, preventing crystallization. The mixed masterbatch and chips are then fed into screw extruder 1 to extrude environmentally friendly Gree fiber. The extruded environmentally friendly Gree fiber enters metering pump 12 and is transported to spinneret 13. Spinneret 13 extrudes and shapes the environmentally friendly Gree fiber. The extruded environmentally friendly Gree fiber enters cooling and shaping mechanism to cool it. After cooling, the environmentally friendly Gree fiber is oiled through nozzle 15 and then wound by winding mechanism 16.

[0043] For example, during the drying process of masterbatch and chips, such as Figure 4As shown, the optimization and improvement of the mixed drying process are as follows: First, the drying equipment was optimized by reducing the capacity of the original masterbatch drying drum from 300kg to 100kg. This adjustment shortens the drying time of the masterbatch in the drum, thereby reducing the occurrence of adhesion. Second, the drying temperature was adjusted by lowering it by 20 degrees Celsius. This measure helps the masterbatch to dry under milder conditions, making the moisture evaporation more uniform and stable, preventing excessive shrinkage and deformation of the masterbatch during the drying process, and effectively solving the adhesion problem. Third, the air intake pressure was increased by raising the dry air intake pressure by 0.2MPa. This change enhances the impact of the drying airflow on the masterbatch, improves the drying efficiency, and further prevents the adhesion of the masterbatch.

[0044] In use, we first optimized the drying equipment by reducing the capacity of the masterbatch drying drum from 300kg to 100kg. This adjustment shortened the drying time of the masterbatch in the drum, thereby reducing the occurrence of adhesion. Second, we adjusted the drying temperature by lowering it by 20 degrees Celsius. This measure helps the masterbatch dry under gentler conditions, resulting in more uniform and stable moisture evaporation and preventing excessive shrinkage and deformation of the masterbatch during the drying process, effectively solving the adhesion problem. Third, we increased the intake air pressure by raising it by 0.2MPa. This change enhanced the impact of the drying airflow on the masterbatch, improved drying efficiency, and further prevented masterbatch adhesion.

[0045]

[0046] For example, during the melt extrusion processing of masterbatch and chips, such as Figure 4 As shown, the melt extrusion step involves opening an opening at the feed head 11 of the screw extruder 1, placing the feed hopper on the opening, and allowing the chips and masterbatch to begin mixing at the feed head 11 of the screw extruder 1. After being melted and further mixed evenly by the screw extruder 1, the chips enter the spinning chamber. Compared with conventional dyeing methods, solution dyeing eliminates the need for subsequent dyeing and finishing processes during production, and is superior to conventional dyeing in terms of color fastness, color uniformity, and raw material utilization.

[0047] In use, an opening is made at the feed head 11 of the screw extruder 1, and the feed hopper is placed on the opening so that the chips and masterbatch begin to mix at the feed head 11 of the screw extruder 1. After being melted and further mixed evenly by the screw extruder 1, the chips enter the spinning box. Compared with conventional dyeing methods, solution dyeing eliminates the need for subsequent dyeing and finishing processes in the production process, and is superior to conventional dyeing in terms of color fastness, color uniformity, and raw material utilization.

[0048]

[0049] For example, during the extrusion and filtration processing of masterbatch and chips, such as... Figure 4 As shown, the spinneret 13 uses a 5 / 10 mesh 180g metal abrasive mixing process and is filtered with a nine-layer composite mesh.

[0050] When using it, we adopted a specific metal sand ratio scheme, namely 5 / 10 mesh metal sand and 800 mesh nine-layer integrated filter screen. This configuration can ensure that impurities cannot penetrate the filter screen during the production process, thereby avoiding the situation where the filter screen clogs the wire holes. At the same time, we also improved the flow divider plate so that the melt can flow more evenly to the surroundings, further ensuring the uniform distribution of component pressure.

[0051] When cooling environmentally friendly Grei fibers, for example, such as Figure 4 As shown, the cooling mechanism 14 can effectively improve the cooling conditions of the filament bundle by lengthening the length of the cooling duct. The original duct length was only 191 mm. However, by adding a device with a height of 85 mm on the air box, the length of the duct was increased to 276 mm, forming an extended cooling zone.

[0052] During use, the improvements to the air duct device successfully enhanced the stability of product production. The original air duct was only 191 mm long, resulting in poor cooling effect and unstable production process when spinning extra-coarse monofilaments. To solve this problem, we modified the air box structure by adding a device with a height of approximately 85 mm to the original air box, increasing the total length of the air duct to 276 mm. In addition, we adjusted the air pressure of the air duct to ensure effective cooling of the filament bundle. These improvements effectively improved the cooling effect of this product, enhanced production stability, and reduced fuzz and breakage during subsequent processing.

[0053]

[0054] For example, such as Figure 1 , Figure 2 and Figure 3As shown, it also includes a screw extruder 1, with a feed head 11 connected to the feed inlet of the screw extruder 1. A discharge valve pipe 7 is connected to the top of the feed head 11, and a discharge hopper 2 is connected to the top of the feed head 11. A cover plate 10 is fixedly installed on the top of the discharge hopper 2. A motor 6 is bolted to the wall of the cover plate 10. A rotating shaft 17 is installed at the output end of the motor 6. Blades 9 are welded to the outer wall of the rotating shaft 17. A blower 4 is bolted to the shell wall of the screw extruder 1. An air inlet pipe 5 is connected to the air inlet of the blower 4. The exhaust port of the blower 4 is connected to the outer wall of the discharge hopper 2 through an air inlet valve pipe 8. A controller 3 is installed on the shell wall of the screw extruder 1.

[0055] During use, when extruding environmentally friendly Grei fiber, a feed head 11 is connected to the feed inlet of the screw extruder 1. The top of the feed head 11 is connected to a discharge hopper 2 via a discharge valve pipe 7. After the dried masterbatch and chips are added into the discharge hopper 2, the controller 3 controls the motor 6, causing the motor 6 to drive the output shaft 17 to rotate. Since blades 9 are installed on the shaft wall of the shaft 17, the blades 9 flip the masterbatch and chips in the discharge hopper 2. The controller 3 then controls the blower 4, causing air to enter through the air inlet pipe 5. Since the exhaust port of the blower 4 is connected to the outer wall of the discharge hopper 2 via an air inlet valve pipe 8, ... Blower 4 blows air into hopper 2 to dry the masterbatch and chips, preventing crystallization. The mixed masterbatch and chips are then fed into screw extruder 1 to extrude environmentally friendly Gree fiber. The extruded environmentally friendly Gree fiber enters metering pump 12 and is transported to spinneret 13. Spinneret 13 extrudes and shapes the environmentally friendly Gree fiber. The extruded environmentally friendly Gree fiber enters cooling and shaping mechanism to cool it. After cooling, the environmentally friendly Gree fiber is oiled through nozzle 15 and then wound by winding mechanism 16.

[0056] In processing environmentally friendly Grei fibers, the original masterbatch drying hopper had a large capacity, resulting in excessively long drying times and causing masterbatch adhesion. To solve this problem, we replaced the original 300kg masterbatch drying hopper with a 100kg capacity hopper, lowered the drying temperature by about 20 degrees Celsius, and increased the dry air inlet pressure by 0.2MPa. These adjustments shortened the masterbatch drying time from over 30 hours to approximately 10 hours, successfully resolving the masterbatch adhesion problem while ensuring that the masterbatch moisture content met the process requirements. This facilitated the extrusion of environmentally friendly Grei fibers. When the feed is discharged, a feed head 11 is connected to the feed inlet of the screw extruder 1. The top of the feed head 11 is connected to a discharge hopper 2 via a discharge valve pipe 7. After the dried masterbatch and chips are added into the discharge hopper 2, the controller 3 controls the motor 6, causing the motor 6 to drive the rotating shaft 17 at its output end to rotate. Since blades 9 are installed on the shaft wall of the rotating shaft 17, the blades 9 flip the masterbatch and chips in the discharge hopper 2. Then, the controller 3 controls the blower 4, so that air enters through the air inlet pipe 5. Because the exhaust port of the blower 4 is connected to the discharge hopper 2... The outer wall is connected via an air inlet valve pipe 8, allowing the blower 4 to blow air into the feed hopper 2, thereby drying the masterbatch and chips and preventing crystallization. The mixed masterbatch and chips then enter the screw extruder 1 to extrude the environmentally friendly Gree fiber. The extruded environmentally friendly Gree fiber enters the metering pump 12 and is then transported to the spinneret assembly 13. Through in-depth experimental research and combined with production experience, we adopted a specific metal abrasive ratio scheme: 5 / 10 mesh metal abrasive combined with an 800 mesh nine-layer integrated filter screen. This formulation... This design ensures that impurities cannot penetrate the filter screen during production, thus preventing the filter screen from clogging the pores. At the same time, we have also improved the flow divider plate, which allows the melt to flow more evenly to all sides, further ensuring the uniform distribution of component pressure. The environmentally friendly Gree fiber is extruded through the spinneret 13. The extruded environmentally friendly Gree fiber enters the cooling and forming mechanism, which cools the environmentally friendly Gree fiber. The cooled environmentally friendly Gree fiber is then oiled through the nozzle 15 and then wound through the winding and forming mechanism 16.

[0057] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for producing environmentally friendly fibers, characterized in that, Including the following steps: To prepare environmentally friendly fibers, color masterbatch is added to a drying device for drying, the chips are crystallized, and then the chips are added to a mixed drying structure for drying. The mixed drying structure includes: a feeding hopper (2), a controller (3), a blower (4), an air inlet pipe (5), an air inlet valve pipe (8), a motor (6), a rotating shaft (17), and blades (9). The dried masterbatch and chips are simultaneously added into the feeding hopper (2). The blower (4) is controlled by the controller (3). After the blower (4) takes in air through the air inlet pipe (5), the air inlet valve pipe (8) is opened so that the air enters the feeding hopper (2) to blow and dry the masterbatch and chips. The motor (6) is controlled by the controller (3). The motor (6) drives the rotating shaft (17). The rotating shaft (17) drives the blades (9) to rotate in the feeding hopper (2) to turn the masterbatch and chips for drying. The melt extrusion structure includes a screw extruder (1), a controller (3), and a metering pump (12). After the mixed and dried chips and masterbatch are added into the screw extruder (1), the controller (3) controls the screw extruder (1). The screw extruder (1) fuses and extrudes the chips and masterbatch, so that the melt of the fused masterbatch and chips enters the metering pump (12) for metering. The metering pump (12) can uniformly discharge the melt into the spinneret orifice for extrusion. Melt extrusion step: Open a hole at the feed head (11) of the screw extruder (1), place the feed hopper on the hole, so that the chips and masterbatch are melted and further mixed evenly through the screw extruder (1) and then enter the spinning box; The filament discharge structure includes: a filament assembly (13), which transports the extruded melt to the filament assembly (13). The filament assembly uses a 5 / 10 mesh 180 g metal sand ratio process and is filtered with an 800 mesh nine-layer composite mesh to achieve filament formation of the melt. The cooling and forming structure includes a cooling mechanism (14) and an oil nozzle (15). The melt is formed after passing through the spinneret assembly (13). The environmentally friendly fiber enters the cooling mechanism (14). The cooling mechanism (14) can effectively improve the cooling conditions of the fiber bundle by extending the length of the cooling air duct. The environmentally friendly fiber after cooling and forming is oiled through the oil nozzle (15). The winding and forming structure includes: a winding and forming mechanism (16), the formed environmentally friendly fiber enters the winding and forming mechanism (16), and the winding and forming mechanism (16) winds and forms the environmentally friendly fiber; The air duct is 276 mm long, the drying cylinder has a volume of 100 kg, the drying temperature is 130 degrees Celsius, and the drying pressure is 1.5 MPa.

2. The apparatus for producing an environmentally friendly fiber according to claim 1 is as follows, characterized in that: It also includes a screw extruder (1), a feed head (11) is connected to the feed inlet of the screw extruder (1), a discharge valve pipe (7) is connected to the top of the feed head (11), a discharge hopper (2) is installed at the other end of the discharge valve pipe (7), a cover plate (10) is fixedly installed on the top of the discharge hopper (2), a motor (6) is bolted to the wall of the cover plate (10), a rotating shaft (17) is installed at the output end of the motor (6), blades (9) are welded to the outer wall of the rotating shaft (17), a blower (4) is bolted to the shell wall of the screw extruder (1), an air inlet pipe (5) is connected to the air inlet of the blower (4), the exhaust port of the blower (4) is connected to the outer wall of the discharge hopper (2) through an air inlet valve pipe (8), and a controller (3) is installed on the shell wall of the screw extruder (1).

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