An environmentally friendly fiber weaving resin preparation process and equipment

Abstract

The present invention relates to the technical field of resin preparation, and particularly to an environmentally friendly fiber weaving resin preparation process and equipment. The resin preparation equipment includes a kettle body. By providing an installation cylinder on the top cover of the kettle body, and a piston is arranged inside the installation cylinder. An air vent groove is provided on the outer wall of the installation cylinder at a position below the connection point with the top cover. An air charging pipe and an exhaust pipe that penetrate the piston inward and upward are respectively arranged on the inner walls of the air charging ring groove and the exhaust ring groove. When the piston is displaced to align the air charging ring groove or the exhaust ring groove with the air vent groove, the switching of air charging or exhaust for the inside of the kettle body can be realized. The setting of this structure solves the problem of poor sealing of the connection between the air charging pipe and the exhaust pipe and the kettle body in the prior art, and is convenient for disassembly. The resin produced by using this equipment and processing technology has a low oxide residue content, a high cracking rate, relatively high spinning uniformity and stability, and less fluctuations in influencing factors during the spinning process.

Description

Technical Field

[0001] The present invention relates to the technical field of resin preparation, and particularly to an environmentally friendly fiber weaving resin preparation process and equipment. Background Art

[0002] Resins are divided into natural resins and synthetic resins. Natural resins refer to amorphous organic substances obtained from the secretions of animals and plants in nature, such as rosin, amber, shellac, etc. Synthetic resins refer to resin products obtained by chemically synthesizing simple organic substances or through chemical reactions of certain natural products. Among them, thermoplastic resins have good processing properties and are widely used in the manufacturing industry.

[0003] Polypropylene is a thermoplastic resin prepared by polymerizing propylene. It is a white waxy material with a transparent and light appearance. It has the characteristics of being non-toxic, odorless, having a small density, high heat resistance, not absorbing water, and good electrical insulation. Polypropylene is divided into isotactic polypropylene, atactic polypropylene, and syndiotactic polypropylene according to the arrangement position of methyl groups. It is widely used in the production of products such as fiber products, medical devices, automobiles, and chemical containers, and is also used for the packaging of food and drugs. The polypropylene used in fiber products needs to have good tensile properties and anti-fracture properties, but conventionally available polypropylene cannot achieve this. During the processing of polypropylene, a polymerization reactor is required. In the existing polymerization reactor, when filling with nitrogen, the connection between the nitrogen pipe and the kettle body has high sealing requirements, and a relatively large number of switching valves need to be equipped. The sealing process requirements for the connection points are high, and it is not convenient to disassemble and replace the pipeline. Therefore, an environmentally friendly fiber weaving resin preparation process and equipment are proposed for the above problems. Summary of the Invention

[0004] The object of the present invention is to provide an environmentally friendly fiber weaving resin preparation process and equipment. Among them, the resin preparation equipment includes a kettle body. By setting an installation cylinder on the top cover of the kettle body, and a piston is arranged inside the installation cylinder. Concave inflation ring grooves and exhaust ring grooves are respectively arranged on the outer wall of the piston at the one-third and two-thirds positions from top to bottom. Sealing rings that are squeezed and fitted with the inner wall of the installation cylinder are respectively arranged on the outer wall of the piston above the inflation ring groove, below the exhaust ring groove, and between the inflation ring groove and the exhaust ring groove. An air vent groove is arranged on the outer wall of the installation cylinder at a position below the connection point with the top cover. And inflation pipes and exhaust pipes that penetrate the piston inward and upward are respectively arranged on the inner walls of the inflation ring groove and the exhaust ring groove. The inflation pipe is connected to a hydrogen supply system, and the exhaust pipe is connected to an air treatment system. When the piston moves to a position where the inflation ring groove or the exhaust ring groove is aligned with the air vent groove, the switching of inflation or exhaust of the inside of the kettle body can be realized. The setting of this structure solves the problem of poor sealing of the connection between the inflation pipe and the exhaust pipe and the kettle body in the prior art, and is convenient for disassembly. The resin produced by using this equipment and processing technology has a low oxide residue content, a high cracking rate, relatively high spinning uniformity and stability, and less fluctuations in influencing factors during the spinning process, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An environmentally friendly fiber weaving resin preparation equipment, including:

[0007] A kettle body, a top cover is arranged at the top of the kettle body, a heating cavity is arranged inside the inner wall of the kettle body, and a heating medium is filled in the heating cavity, and an electric heater is fixedly arranged on the inner wall of the heating cavity;

[0008] An inflation and exhaust mechanism, the inflation and exhaust mechanism includes an installation cylinder arranged on the top cover and penetrating the top cover and the lower half area extending into the top cover. A piston is slidably arranged inside the installation cylinder. Concave inflation ring grooves and exhaust ring grooves are respectively arranged on the outer wall of the piston at the one-third and two-thirds positions from top to bottom. Sealing rings that are squeezed and fitted with the inner wall of the installation cylinder are respectively arranged on the outer wall of the piston above the inflation ring groove, below the exhaust ring groove, and between the inflation ring groove and the exhaust ring groove. An air vent groove is arranged on the outer wall of the installation cylinder at a position below the connection point with the top cover;

[0009] A pushing and pulling mechanism, the pushing and pulling mechanism includes mounting frames symmetrically arranged on the outer wall of the upper half area of the installation cylinder. A cross beam is arranged between the mounting frames, and a hydraulic cylinder is arranged on the cross beam. And the bottom of the piston rod of the hydraulic cylinder is connected to the piston. A magnet is fixedly arranged at the top left of the piston. Three magnetic sensors are sequentially arranged on the inner wall of the left mounting frame of the installation cylinder from top to bottom. And the distance between the three magnetic sensors is the same as the distance between the inflation ring groove and the exhaust ring groove, and the distance between the lowermost magnetic sensor and the air vent groove is the same as the distance between the inflation ring groove and the exhaust ring groove.

[0010] As a preferred solution, an inflation pipe and an exhaust pipe are respectively arranged on the inner walls of the inflation ring groove and the exhaust ring groove, penetrating the piston inward and upward. The inflation pipe is connected to the hydrogen supply system, and the exhaust pipe is connected to the air treatment system.

[0011] As a preferred solution, docking flanges are arranged at the mutually fitting positions between the top of the kettle body and the bottom of the top cover. The two docking flanges are fixedly connected by fixing bolts, and a sealing strip is arranged at the fitting position of the two docking flanges.

[0012] As a preferred solution, a stirrer is arranged inside the kettle body. A motor mounting seat is fixedly arranged at the midline position of the top of the top cover. A stirring motor is fixedly arranged on the motor mounting seat. The motor shaft of the stirring motor extends into the kettle body and is fixedly connected to the rotating shaft of the stirrer through a coupling.

[0013] As a preferred solution, a discharge pipe extending outside the kettle body is arranged at the bottom of the kettle body. A high-temperature resistant sealed butterfly valve is arranged on the discharge pipe. A manhole is arranged on the top cover, and a sealed end cover is arranged on the manhole.

[0014] As a preferred solution, a control box is further included. A hydraulic control system and a relay group are sequentially arranged on the bottom plate inside the control box from left to right. The oil circuit of the hydraulic cylinder is connected to the oil circuit of the hydraulic control system. The control circuits of the hydraulic control system and the relay group are both connected to the PLC controller. The power output ends of two groups of relays in the relay group are respectively connected to the power access ends of the stirring motor and the driving motor of the high-temperature resistant sealed butterfly valve.

[0015] As a preferred solution, a concave groove is arranged on the bottom panel of the piston. An infrared temperature sensor and a pressure transmitter are respectively arranged on the top plate inside the groove. The detection head of the infrared temperature sensor is arranged downward. The detection signal output ends of the infrared temperature sensor and the pressure transmitter are respectively connected to the detection signal access ends of the PLC controller through electrical signals.

[0016] An environment-friendly fiber weaving resin preparation process includes the following steps:

[0017] S1. Put the catalyst and propylene into the kettle body, drive the hydraulic cylinder to adjust the position of the piston so that the inflation ring groove is communicated with the ventilation groove, fill hydrogen into the kettle body, stir and mix, and then carry out a polymerization reaction at a reaction temperature of 230 °C for a reaction duration of 3 - 5 h to obtain a first product;

[0018] S2. Put additives into the kettle body, heat, stir and mix to obtain polypropylene resin.

[0019] As a preferred embodiment, the catalyst comprises a carrier, an external electron donor, a cocatalyst, an internal electron donor, and a titanium compound containing a titanium-halogen bond, wherein: the external electron donor is one of diisobutyl dimethoxysilane, tetraethoxysilane, n-propyltriethoxysilane, and cyclohexylmethyl dimethoxysilane; the internal electron donor is one of di-n-butyl phthalate, diisobutyl phthalate, and di-n-butyl phthalate; the cocatalyst comprises triethylaluminum; and the carrier comprises magnesium chloride and ethoxymagnesium.

[0020] As a preferred embodiment, the additive comprises an antioxidant, a degradation agent, and an acid absorbent. Among them, the antioxidant comprises a primary antioxidant and a secondary antioxidant. The primary antioxidant is a phenolic antioxidant, including at least one of 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene and octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate. The degradation agent comprises (2,5-dimethyl-2,5-bis(tert-butylperoxy))hexane, and the acid absorbent comprises calcium stearate.

[0021] As can be seen from the technical solutions provided by the present invention above, for an environmentally friendly fiber weaving resin preparation process and equipment provided by the present invention, the beneficial effects are as follows:

[0022] 1. By providing an installation cylinder on the top cover of the kettle body, and a piston is arranged inside the installation cylinder. Inflatable annular grooves and exhaust annular grooves are respectively arranged at the upper one-third and two-thirds positions from top to bottom on the outer wall of the piston. Sealing rings that are extrusion-fitted with the inner wall of the installation cylinder are respectively arranged above the inflatable annular groove, below the exhaust annular groove, and between the inflatable annular groove and the exhaust annular groove on the outer wall of the piston. An air vent groove is arranged on the outer wall of the installation cylinder at a position below the connection point with the top cover. And an air inlet pipe and an exhaust pipe that penetrate the piston inward and upward are respectively arranged on the inner walls of the inflatable annular groove and the exhaust annular groove. The air inlet pipe is connected to the hydrogen supply system, and the exhaust pipe is connected to the air treatment system. When the piston moves to a position where the inflatable annular groove or the exhaust annular groove is aligned with the air vent groove, the switching of inflating or exhausting the inside of the kettle body can be realized. The setting of this structure solves the problem of poor sealing of the connection between the air inlet pipe and the exhaust pipe and the kettle body in the prior art, and is convenient for disassembly;

[0023] 2. The resin prepared by using the above equipment and method has a low oxide residue content, a high cracking rate, high spinning uniformity and stability, and is less affected by fluctuations in factors during the spinning process. By increasing the maximum spinning speed, fibers with a smaller diameter can be produced, improving the processability, but the mechanical properties such as tensile strength and elongation are still not affected, and it is superior to the spunbond nonwoven fabric prepared by the pure hydrogen regulation method and the direct degradation method for resin processing and production. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of an environmentally friendly fiber weaving resin preparation process and equipment of the present invention;

[0025] Figure 2 This is a schematic diagram of the installation cylinder and piston structure in the present invention.

[0026] In the figure: 1. Kettle body; 11. Heating cavity; 12. Electric heater; 13. Discharge pipe; 14. High-temperature resistant sealed butterfly valve; 15. Top cover; 16. Manhole; 17. Sealing end cover; 18. Docking flange; 181. Fixed bolt; 19. Sealing strip; 2. Stirrer; 21. Motor mounting seat; 22. Stirring motor; 3. Installation cylinder; 31. Piston; 311. Inflation ring groove; 312. Exhaust ring groove; 313. Sealing ring; 314. Groove; 315. Infrared temperature sensor; 316. Pressure transmitter; 32. Ventilation groove; 33. Magnet; 34. Exhaust pipe; 35. Inflation pipe; 4. Installation frame; 41. Hydraulic cylinder; 42. Magnetic inductor; 5. Control box; 51. Hydraulic control system; 52. Relay group; 53. PLC controller. Specific embodiments

[0027] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0028] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the specification drawings and specific embodiments.

[0029] As Figure 1-2 shown, an embodiment of the present invention provides an environmentally friendly fiber weaving resin preparation device, including:

[0030] A kettle body 1, a top cover 15 is arranged at the top of the kettle body 1, a heating cavity 11 is arranged inside the inner wall of the kettle body 1, and a heating medium is filled inside the heating cavity 11, and an electric heater 12 is fixedly arranged on the inner wall of the heating cavity 11. Docking flanges 18 are arranged at the mutually fitting parts between the top of the kettle body 1 and the bottom of the top cover 15, and the two docking flanges 18 are fixedly connected by fixed bolts 181, and a sealing strip 19 is arranged at the fitting part of the two docking flanges 18;

[0031] Inflating and exhausting mechanism. The inflating and exhausting mechanism includes an installation cylinder 3 provided on the top cover 15, penetrating the top cover 15 and having its lower half extending into the top cover 15. A piston 31 is slidably arranged inside the installation cylinder 3. Concave inflating annular grooves 311 and exhausting annular grooves 312 are respectively arranged on the outer wall of the piston 31 at the one-third and two-thirds positions from top to bottom. Sealing rings 313 that are in extrusion fit with the inner wall of the installation cylinder 3 are respectively arranged on the outer wall of the piston 31 above the inflating annular groove 311, below the exhausting annular groove 312, and between the inflating annular groove 311 and the exhausting annular groove 312. An air vent groove 32 is arranged on the outer wall of the installation cylinder 3 at a position below the connection point with the top cover 15. Inflating pipes 35 and exhausting pipes 34 that penetrate the piston 31 inward and upward are respectively arranged on the inner walls of the inflating annular groove 311 and the exhausting annular groove 312. The inflating pipe 35 is connected to the hydrogen supply system, and the exhausting pipe 34 is connected to the air treatment system;

[0032] Pushing and pulling mechanism. The pushing and pulling mechanism includes mounting brackets 4 symmetrically arranged on the outer wall of the upper half of the installation cylinder 3. A cross beam is arranged between the mounting brackets 4, and a hydraulic cylinder 41 is arranged on the cross beam. And the bottom of the piston rod of the hydraulic cylinder 41 is connected to the piston 31. A magnet 33 is fixedly arranged at the top left of the piston 31. Three groups of magnetic sensors 42 are successively arranged on the inner wall of the left mounting bracket 4 of the installation cylinder 3 from top to bottom. And the spacing between the three groups of magnetic sensors 42 is the same as the spacing between the inflating annular groove 311 and the exhausting annular groove 312. And the spacing between the lowermost magnetic sensor 42 and the air vent groove 32 is the same as the spacing between the inflating annular groove 311 and the exhausting annular groove 312.

[0033] In the above device, a stirrer 2 is arranged inside the kettle body 1. A motor mounting base 21 is fixedly arranged at the midline position on the top of the top cover 15. A stirring motor 22 is fixedly arranged on the motor mounting base 21. The motor shaft of the stirring motor 22 extends into the kettle body 1 and is fixedly connected to the rotating shaft of the stirrer 2 through a coupling.

[0034] In the above device, a discharge pipe 13 extending outside the kettle body 1 is arranged at the bottom of the kettle body 1. A high-temperature resistant sealing butterfly valve 14 is arranged on the discharge pipe 13. A manhole 16 is arranged on the top cover 15, and a sealing end cover 17 is arranged on the manhole 16.

[0035] In the above device, a control box 5 is further included. A hydraulic control system 51 and a relay group 52 are successively arranged on the bottom plate inside the control box 5 from left to right. The oil circuit of the hydraulic cylinder 41 is connected to the oil circuit of the hydraulic control system 51. The control circuits of the hydraulic control system 51 and the relay group 52 are both connected to the PLC controller 53. The power output ends of two relays in the relay group 52 are respectively connected to the power access ends of the stirring motor 22 and the driving motor of the high-temperature resistant sealing butterfly valve 14.

[0036] In the above device, a concave groove 314 is provided on the bottom panel of the piston 31. An infrared temperature sensor 315 and a pressure transmitter 316 are respectively provided on the top plate inside the groove 314. The detection head of the infrared temperature sensor 315 is arranged downward. The detection signal output ends of the infrared temperature sensor 315 and the pressure transmitter 316 are respectively connected to the detection signal access ends of the PLC controller 53 through electrical signals.

[0037] The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings:

[0038] Please refer to Figure 1-2 , including a kettle body 1. A top cover 15 is provided at the top of the kettle body 1. A heating cavity 11 is provided inside the inner wall of the kettle body 1, and a heating medium is filled inside the heating cavity 11. An electric heater 12 is fixedly provided on the inner wall of the heating cavity 11. Docking flanges 18 are provided at the mutually fitting positions between the top of the kettle body 1 and the bottom of the top cover 15. The two docking flanges 18 are fixedly connected by fixing bolts 181. A sealing strip 19 is provided at the fitting position of the two docking flanges 18. An installation cylinder 3 is provided on the top cover 15, which penetrates through the top cover 15 and the lower half extends into the top cover 15. A piston 31 is slidably arranged inside the installation cylinder 3. Concave inflation ring grooves 311 and exhaust ring grooves 312 are respectively provided on the outer wall of the piston 31 at the one-third and two-thirds positions from top to bottom. Sealing rings 313 that are squeezed and fitted with the inner wall of the installation cylinder 3 are respectively provided on the outer wall of the piston 31 above the inflation ring groove 311, below the exhaust ring groove 312, and between the inflation ring groove 311 and the exhaust ring groove 312. An air vent groove 32 is provided on the outer wall of the installation cylinder 3 at a position below the connection point with the top cover 15. An inflation pipe 35 and an exhaust pipe 34 that penetrate through the piston 31 inward and upward are respectively provided on the inner walls of the inflation ring groove 311 and the exhaust ring groove 312. The inflation pipe 35 is connected to a hydrogen supply system, and the exhaust pipe 34 is connected to an air treatment system. A discharge pipe 13 that extends outside the kettle body 1 is provided at the bottom of the kettle body 1. A high-temperature resistant sealed butterfly valve 14 is provided on the discharge pipe 13. A manhole 16 is provided on the top cover 15, and a sealed end cover 17 is provided on the manhole 16;

[0039] Among them, an installation cylinder 3 is arranged on the top cover of the kettle body 1, and a piston 31 is arranged inside the installation cylinder 3. Concave inflation ring grooves 311 and exhaust ring grooves 312 are respectively arranged at the upper one-third and lower two-thirds positions of the outer wall of the piston 31 from top to bottom. Sealing rings 313 that are extrusion-fitted with the inner wall of the installation cylinder 3 are respectively arranged on the outer wall of the piston 31 above the inflation ring groove 311, below the exhaust ring groove 312, and between the inflation ring groove 311 and the exhaust ring groove 312. An air vent groove 32 is arranged on the outer wall of the installation cylinder 3 at a position below the connection point with the top cover 15. Inflation pipes 35 and exhaust pipes 34 that penetrate the piston inward and upward are respectively arranged on the inner walls of the inflation ring groove 311 and the exhaust ring groove 312. The inflation pipe 35 is connected to the hydrogen supply system, and the exhaust pipe 34 is connected to the air treatment system. When the piston 31 is displaced to make the inflation ring groove 311 or the exhaust ring groove 312 face the air vent groove 32, the switching of inflation or exhaust of the inside of the kettle body 1 can be realized. The setting of this structure solves the problem of poor sealing of the connection between the inflation pipe 35 and the exhaust pipe 34 and the kettle body 1 in the prior art, and is convenient for disassembly.

[0040] Further, please refer to Figure 1 and Figure 2 As shown in the figure, mounting brackets 4 are symmetrically arranged on the outer wall of the upper half of the installation cylinder 3. A cross beam is arranged between the mounting brackets 4, and a hydraulic cylinder 41 is arranged on the cross beam. The bottom of the piston rod of the hydraulic cylinder 41 is connected to the piston 31. A magnet 33 is fixedly arranged at the top left of the piston 31. Three magnetic sensors 42 are sequentially arranged on the inner wall of the left mounting bracket 4 of the installation cylinder 3 from top to bottom. The spacing between the three magnetic sensors 42 is the same as the spacing between the inflation ring groove 311 and the exhaust ring groove 312, and the spacing between the lowermost magnetic sensor 42 and the air vent groove 32 is the same as the spacing between the inflation ring groove 311 and the exhaust ring groove 312.

[0041] Please refer to Figure 1 As shown in the figure, a stirrer 2 is arranged inside the kettle body 1. A motor mounting seat 21 is fixedly arranged at the midline position of the top of the top cover 15. A stirring motor 22 is fixedly arranged on the motor mounting seat 21. The motor shaft of the stirring motor 22 extends into the kettle body 1 and is fixedly connected to the rotating shaft of the stirrer 2 through a coupling. The stirring motor 22 drives the stirrer 2 to rotate to realize the stirring of the material.

[0042] It also includes a control box 5. A hydraulic control system 51 and a relay group 52 are sequentially arranged on the bottom plate inside the control box 5 from left to right. The oil circuit of the hydraulic cylinder 41 is connected to the oil circuit of the hydraulic control system 51. The control circuits of the hydraulic control system 51 and the relay group 52 are both connected to the PLC controller 53. The power output ends of two relays in the relay group 52 are respectively connected to the power input ends of the stirring motor 22 and the driving motor of the high-temperature resistant sealing butterfly valve 14.

[0043] Please refer to Figure 2, a concave groove 314 is provided on the bottom panel of the piston 31. An infrared temperature sensor 315 and a pressure transmitter 316 are respectively provided on the top plate inside the groove 314. The detection head of the infrared temperature sensor 315 is arranged downward. The detection signal output ends of the infrared temperature sensor 315 and the pressure transmitter 316 are respectively connected to the detection signal access end of the PLC controller 53 through electrical signals. The infrared temperature sensor 315 and the pressure transmitter 316 are provided for detecting the temperature of the material inside the kettle body 1 and the air pressure inside the kettle body 1.

[0044] An environment-friendly fiber weaving resin preparation process includes the following steps:

[0045] S1. Put the catalyst and propylene into the kettle body, drive the hydraulic cylinder to adjust the position of the piston so that the inflation ring groove communicates with the ventilation groove, fill hydrogen into the kettle body, stir and mix, and then carry out a polymerization reaction. The reaction temperature is 230 °C, and the reaction duration is 3 - 5 h to obtain a first product. Among them, the catalyst includes a carrier, an external electron donor, a cocatalyst, an internal electron donor, and a titanium compound containing a titanium-halogen bond. Among them: the external electron donor is one of diisobutyl dimethoxysilane, tetraethoxysilane, n-propyltriethoxysilane, and cyclohexylmethyl dimethoxysilane; the internal electron donor is one of di-n-butyl phthalate, diisobutyl phthalate, and di-n-butyl phthalate; the cocatalyst includes triethylaluminum; the carrier includes magnesium chloride and ethoxymagnesium;

[0046] S2. Put additives into the kettle body, heat, stir and mix to obtain polypropylene resin. Among them, the additives include an antioxidant, a degradation agent, and an acid absorbent. Among them, the antioxidant includes a main antioxidant and a co-antioxidant. The main antioxidant is a phenolic antioxidant, including at least one of 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene and octadecyl β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate; the degradation agent includes (2,5-dimethyl-2,5-bis(tert-butylperoxy))hexane; the acid absorbent includes calcium stearate.

[0047] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An equipment for preparing an environment-friendly fiber weaving resin, characterized in that: It includes: A kettle body (1), a top cover (15) is arranged at the top of the kettle body (1), a heating cavity (11) is arranged inside the inner wall of the kettle body (1), and a heating medium is filled inside the heating cavity (11), and an electric heater (12) is fixedly arranged on the inner wall of the heating cavity (11); An air charging and exhausting mechanism, the air charging and exhausting mechanism includes an installation cylinder (3) arranged on the top cover (15) and penetrating through the top cover (15) with the lower half area extending into the top cover (15), a piston (31) is slidably arranged inside the installation cylinder (3), concave air charging ring grooves (311) and exhaust ring grooves (312) are respectively arranged on the outer wall of the piston (31) at the one-third and two-thirds positions from top to bottom, sealing rings (313) that are extrusion-fitted with the inner wall of the installation cylinder (3) are respectively arranged on the outer wall of the piston (31) above the air charging ring groove (311), below the exhaust ring groove (312), and between the air charging ring groove (311) and the exhaust ring groove (312), and an air vent groove (32) is arranged on the outer wall of the installation cylinder (3) at a position below the connection point with the top cover (15); A pushing and pulling mechanism, the pushing and pulling mechanism includes mounting frames (4) symmetrically arranged on the outer wall of the upper half area of the installation cylinder (3), a cross beam is arranged between the mounting frames (4), a hydraulic cylinder (41) is arranged on the cross beam, and the bottom of the piston rod of the hydraulic cylinder (41) is connected to the piston (31), a magnet (33) is fixedly arranged at the top left of the piston (31), three magnetic sensors (42) are sequentially arranged on the inner wall of the left mounting frame (4) of the installation cylinder (3) from top to bottom, and the distance between the three magnetic sensors (42) is the same as the distance between the air charging ring groove (311) and the exhaust ring groove (312), and the distance between the lowermost magnetic sensor (42) and the air vent groove (32) is the same as the distance between the air charging ring groove (311) and the exhaust ring groove (312).

2. The equipment for preparing an environment-friendly fiber weaving resin according to claim 1, characterized in that: Air charging pipes (35) and exhaust pipes (34) that penetrate the piston (31) inward and upward are respectively arranged on the inner walls of the air charging ring groove (311) and the exhaust ring groove (312), the air charging pipes (35) are connected to a hydrogen supply system, and the exhaust pipes (34) are connected to an air treatment system.

3. The equipment for preparing an environment-friendly fiber weaving resin according to claim 1, characterized in that: Butt flanges (18) are arranged at the mutually fitting positions of the top of the kettle body (1) and the bottom of the top cover (15), and the two butt flanges (18) are fixedly connected by fixing bolts (181), and a sealing strip (19) is arranged at the fitting position of the two butt flanges (18).

4. The equipment for preparing an environment-friendly fiber weaving resin according to claim 1, characterized in that: Inside the kettle body (1), there is a stirrer (2). At the midline position on the top of the top cover (15), a motor mounting seat (21) is fixedly arranged. On the motor mounting seat (21), a stirring motor (22) is fixedly arranged. The motor shaft of the stirring motor (22) extends into the kettle body (1) and is fixedly connected to the rotating shaft of the stirrer (2) through a coupling.

5. The preparation equipment for an environment-friendly fiber weaving resin according to claim 1, characterized in that: At the bottom of the kettle body (1), there is a discharge pipe (13) extending outside the kettle body (1). A high-temperature resistant sealed butterfly valve (14) is arranged on the discharge pipe (13). On the top cover (15), there is a manhole (16), and a sealed end cover (17) is arranged on the manhole (16).

6. The preparation equipment for an environment-friendly fiber weaving resin according to claim 1, characterized in that: It further includes a control box (5). On the bottom plate inside the control box (5), a hydraulic control system (51) and a relay group (52) are arranged in sequence from left to right. The oil circuit of the hydraulic cylinder (41) is connected to the oil circuit of the hydraulic control system (51). The control circuits of the hydraulic control system (51) and the relay group (52) are both connected to the PLC controller (53). The power output ends of two groups of relays in the relay group (52) are respectively connected to the power access ends of the stirring motor (22) and the driving motor of the high-temperature resistant sealed butterfly valve (14).

7. The preparation equipment for an environment-friendly fiber weaving resin according to claim 1, characterized in that: On the bottom panel of the piston (31), there is a concave groove (314). On the top plate inside the groove (314), an infrared temperature sensor (315) and a pressure transmitter (316) are respectively arranged. The detection head of the infrared temperature sensor (315) is arranged downward. The detection signal output ends of the infrared temperature sensor (315) and the pressure transmitter (316) are respectively connected to the detection signal access ends of the PLC controller (53) through electrical signals.

8. The environment-friendly fiber weaving resin preparation process based on the preparation equipment for an environment-friendly fiber weaving resin according to claims 1-7, characterized in that: It includes the following steps: S1. Put the catalyst and propylene into the kettle body and drive the hydraulic cylinder to adjust the position of the piston so that the inflation ring groove communicates with the ventilation groove. Fill hydrogen into the kettle body, stir and mix, and then carry out a polymerization reaction. The reaction temperature is 230 degrees Celsius, and the reaction duration is 3-5 hours to obtain a first product; S2. Put additives into the kettle body, heat, stir and mix to obtain polypropylene resin.

9. The environment-friendly fiber weaving resin preparation process according to claim 8, characterized in that: The catalyst includes a carrier, an external electron donor, a cocatalyst, an internal electron donor, and a titanium compound containing a titanium-halogen bond, wherein: the external electron donor is one of diisobutyl dimethoxysilane, tetraethoxysilane, n-propyltriethoxysilane, and cyclohexylmethyl dimethoxysilane; the internal electron donor is one of di-n-butyl phthalate, diisobutyl phthalate, and di-n-butyl phthalate; the cocatalyst includes triethylaluminum; and the carrier includes magnesium chloride and ethoxymagnesium.

10. A preparation process of an environment-friendly fiber weaving resin according to claim 8, characterized in that: the additive includes an antioxidant, a degradation agent, and an acid absorbent. Among them, the antioxidant includes a main antioxidant and a co-antioxidant. The main antioxidant is a phenolic antioxidant, including at least one of 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene and octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate; the degradation agent includes (2,5-dimethyl-2,5-bis(tert-butylperoxy))hexane; and the acid absorbent includes calcium stearate.

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