Novel polyester material synthesis reaction kettle and production method thereof

Abstract

The invention belongs to the field of polyester materials, particularly relates to a novel polyester material synthesis reaction kettle and a production method thereof, and aims to solve the problems of non-uniform raw material reaction, low reaction rate and difficult material discharge caused by the defects of the conventional reaction kettle in the aspects of stirring effect and material discharge. Comprising a reaction kettle main body, the top of the reaction kettle main body is provided with a reaction kettle cover plate, one side of the top of the reaction kettle cover plate is fixedly communicated with a feeding pipe, the top of the reaction kettle cover plate is fixedly communicated with a plurality of charging pipes, and the inner wall of the reaction kettle main body is fixedly connected with two third connecting rods which are symmetrically arranged. Through the arrangement of the first stirring assembly and the second stirring assembly, all-directional stirring of raw materials in the reaction kettle is achieved, the reaction rate and uniformity of the raw materials are remarkably improved, the design of the discharging assembly enables discharging of the materials to be more flexible and controllable, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of polyester materials, and in particular to a novel polyester material synthesis reaction kettle and a production method thereof. Background Art

[0002] Polyester fiber, commonly known as polyester, is a synthetic fiber obtained by spinning polyester formed by the polycondensation of organic dibasic acid and diol. It is abbreviated as PET fiber and belongs to a polymer compound. It was invented in 1941 and is currently the largest variety of synthetic fibers. The biggest advantage of polyester fiber is its excellent wrinkle resistance and shape retention, as well as high strength and elastic recovery.

[0003] In the synthesis process of polyester materials and other chemicals, the reactor is a key equipment, and its performance directly affects the quality and production efficiency of the product. Traditional reactors have deficiencies in stirring effect and material discharge, which easily lead to problems such as uneven raw material reaction, slow reaction rate and difficulty in material discharge. Therefore, it is of great practical significance to develop a new polyester material synthesis reactor to solve the above problems and improve production efficiency and product quality. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the reactor in the prior art in terms of stirring effect and material discharge, which easily lead to uneven raw material reaction, slow reaction rate and difficulty in material discharge, and to propose a new polyester material synthesis reactor and its production method.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A novel polyester material synthesis reactor comprises a reactor body, a reactor cover plate is arranged on the top of the reactor body, a feed pipe is fixedly connected to one side of the top of the reactor cover plate, a plurality of feed pipes are fixedly connected to the top of the reactor cover plate, two third connecting rods are fixedly connected to the inner wall of the reactor body, the ends of the two third connecting rods close to each other are fixedly connected to the same annular plate, a discharge pipe is fixedly connected to the bottom of the reactor body, a sliding circular plate is slidably connected to the inner wall of the reactor body, and a first stirring assembly for stirring raw materials is arranged above the sliding circular plate;

[0007] A rectangular box is fixedly connected to the inner wall of the reactor body, and a second stirring component for stirring the raw materials is arranged below the rectangular box;

[0008] A material discharging assembly for controlling the discharge of materials is arranged below the sliding circular plate.

[0009] In one possible design, the first stirring assembly includes a protective sleeve fixedly connected to the top of the reactor cover plate, the top inner wall of the protective sleeve is fixedly connected to a servo motor, the output shaft of the servo motor is fixedly connected to a first rotating shaft, the outer wall of the first rotating shaft is fixedly sleeved with a plurality of first stirring rods, and the outer wall of the first stirring rod is fixedly connected to a plurality of second stirring rods.

[0010] In one possible design, the second stirring assembly includes a rectangular groove opened inside a rectangular box, the top inner wall of the rectangular groove is rotatably connected to a rotating rod, the bottom of the rotating rod rotates through the rectangular box and is fixedly connected to a plurality of stirring blades, the top of the rectangular box is fixedly connected to a triangular block, the bottom of the sliding circular plate is fixedly connected to an electric push rod, and the piston rod of the electric push rod is fixedly connected to the top of the triangular block.

[0011] In a possible design, the discharge assembly includes two symmetrically arranged second connecting plates fixedly connected to the bottom of the sliding circular plate, the bottom of the second connecting plates is fixedly connected to the first connecting plate, and the ends of the two first connecting plates close to each other are fixedly connected to the same blocking block, the size of the upper half of the blocking block is smaller than the size of the lower half of the blocking block, and the lower half of the blocking block is used in conjunction with the discharge pipe.

[0012] In a possible design, the inner wall of the annular plate is slidably connected to a sliding disc, the bottom of the first rotating shaft is fixedly connected to a reciprocating screw, and the reciprocating screw thread passes through the sliding disc.

[0013] In a possible design, the bottom of the reciprocating screw is fixedly connected to a second rotating shaft, the bottom of the second rotating shaft rotates through the interior of the rectangular groove and is fixedly connected to a driving gear, and the outer wall of the rotating rod is fixedly sleeved with a driven gear, and the driven gear is meshed with the driving gear.

[0014] In one possible design, a cavity is opened inside the reactor body, an air inlet pipe is fixedly connected to one side of the reactor body, one end of the air inlet pipe is connected to the cavity, and an exhaust port is fixedly connected to the bottom of the reactor body, and the exhaust port is connected to the cavity.

[0015] In one possible design, a lower flange is fixedly connected to the top of the reactor body, an upper flange is fixedly connected to the bottom of the reactor cover plate, the upper flange and the lower flange are fixedly connected by bolts, a sealing plate is provided on the top of the feed pipe, and legs are fixedly connected to the four corners of the bottom of the reactor body.

[0016] A production method of a novel polyester material synthesis reactor specifically comprises the following steps:

[0017] S1. Raw material input: feed the raw materials into the interior of the reactor body through the feed pipe, and input various catalysts into the interior of the reactor body through the feed pipe;

[0018] S2, transesterification reaction: transesterification reaction is carried out in the upper part of the reactor body to generate an intermediate product;

[0019] S3, stirring to improve reaction rate: start the servo motor to drive the first stirring component and the second stirring component to stir, thereby improving the reaction rate of the raw materials. At the same time, the reciprocating screw drives the sliding disc to move up and down, continuously pushing the raw materials up and down, thereby further improving the reaction rate.

[0020] S4, material discharge: when the reaction is completed, the electric push rod is started to move the sliding circular plate upward, and the material falls to the lower half of the reactor body 1. The electric push rod is started again to move the sliding circular plate downward, driving the block to move downward, and the material is discharged through the discharge pipe;

[0021] S5. Heating to promote reaction: During the reaction process, hot air can be introduced through the air inlet pipe, filling the interior of the cavity and then discharged through the exhaust port to heat the reactor and promote the chemical reaction.

[0022] In the present application, when in use, the raw materials are fed into the interior of the reactor body through the feed pipe, and a plurality of catalysts are fed into the interior of the reactor body through the feed pipe, and an ester exchange reaction is carried out in the upper half of the reactor body to generate an intermediate product;

[0023] At this time, the servo motor is started, and the output shaft of the servo motor drives the first rotating shaft to rotate, the first rotating shaft drives the plurality of first stirring rods to rotate, the first stirring rod drives the second stirring rod to rotate, thereby increasing the reaction rate of the raw material, and while the first rotating shaft rotates, the reciprocating screw rod can be driven to rotate, and at this time the reciprocating screw rod drives the sliding disc to move up and down, and at this time the sliding disc moves up and down inside the annular plate, continuously pushing the raw material up and down, thereby increasing the reaction rate;

[0024] Start the electric push rod, and its piston rod extends out. At this time, the sliding circular plate moves up, and there is a gap between the sliding circular plate and the annular plate. The material above falls to the lower half of the reactor body. When the material needs to be discharged, start the electric push rod again, and the piston rod of the electric push rod is retracted. At this time, the sliding circular plate descends, and the sliding circular plate drives the second connecting plate and the first connecting plate to move down. The first connecting plate drives the block to move down, and the block moves inside the discharge pipe. Since the upper half of the discharge pipe is narrow, when the upper half of the block is located inside the discharge pipe, there is a gap between the block and the discharge pipe, and the material can be discharged. At the same time, hot air can be sent into the air inlet pipe, and then filled with the inside of the cavity, and then discharged through the exhaust port;

[0025] And when the reciprocating screw rotates, it can drive the second rotating shaft to rotate, the second rotating shaft can drive the driving gear to rotate, the driving gear can drive the driven gear to rotate, the driven gear can drive the rotating rod to rotate, the rotating rod can drive the stirring blade to rotate, and the raw materials below can be stirred to increase the reaction rate again. At the same time, raw materials can be put into the upper part again to react synchronously and improve work efficiency.

[0026] Beneficial effects: The novel polyester material synthesis reactor proposed in the present application realizes all-round stirring of the raw materials inside the reactor through the arrangement of the first stirring component and the second stirring component, which significantly improves the reaction rate and uniformity of the raw materials. At the same time, the design of the discharge component makes the discharge of materials more flexible and controllable, thereby improving production efficiency. In addition, through the arrangement of the air inlet pipe and the exhaust port, hot air can be conveniently introduced to heat the inside of the reactor, further promoting the chemical reaction. Overall, the reactor has a compact structure and comprehensive functions, is suitable for the synthesis reaction of chemicals such as polyester materials, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the three-dimensional structure of a novel polyester material synthesis reactor proposed by the present invention;

[0028] Figure 2 This is a schematic diagram of the three-dimensional structure of a reactor cover plate in a novel polyester material synthesis reactor proposed by the present invention;

[0029] Figure 3 This is a schematic diagram of the three-dimensional structure of the reactor body in a novel polyester material synthesis reactor proposed by the present invention;

[0030] Figure 4 This is a three-dimensional cross-sectional structural schematic diagram of a novel polyester material synthesis reactor proposed by the present invention;

[0031] Figure 5 This is a schematic diagram of the three-dimensional cross-sectional structure of a reactor body in a novel polyester material synthesis reactor proposed by the present invention;

[0032] Figure 6 This is a schematic diagram of the three-dimensional structure of a sliding disc in a novel polyester material synthesis reactor proposed by the present invention.

[0033] In the figure: 1. reactor body; 2. air inlet pipe; 3. reactor cover; 4. protective cover; 5. sealing plate; 6. feed pipe; 7. support leg; 8. feeding pipe; 9. upper flange; 10. lower flange; 11. exhaust port; 12. discharge pipe; 13. servo motor; 14. first rotating shaft; 15. sliding circular plate; 16. cavity; 17. rectangular box; 18. stirring blade; 19. first connecting plate; 20. second connecting plate; 21. annular plate; 22. third connecting rod; 23. electric push rod; 24. blocking block; 25. driven gear; 26. rotating rod; 27. driving gear; 28. rectangular groove; 29. ​​second rotating shaft; 30. reciprocating screw; 31. sliding disc; 32. first stirring rod; 33. second stirring rod; 34. triangular block. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0035] Example 1; Reference Figure 1-6A novel polyester material synthesis reactor, which is used in the field of polyester materials, comprises: a reactor body 1, a reactor cover plate 3 is arranged on the top of the reactor body 1, a feed pipe 6 is fixedly connected to one side of the top of the reactor cover plate 3, a plurality of feed pipes 8 are fixedly connected to the top of the reactor cover plate 3, raw materials are fed into the reactor body 1 through the feed pipe 6, a plurality of catalysts are fed into the reactor body 1 through the feed pipe 8, an ester exchange reaction is carried out in the upper half of the reactor body 1 to generate an intermediate product, and the inner wall of the reactor body 1 is fixedly connected with Two third connecting rods 22 are symmetrically arranged, and one end of the two third connecting rods 22 close to each other is fixedly connected to the same annular plate 21. The bottom of the reactor body 1 is fixedly connected to a discharge pipe 12, and the inner wall of the reactor body 1 is slidably connected to a sliding circular plate 15. A first stirring component for stirring the raw materials is arranged above the sliding circular plate 15. The first stirring component includes a protective sleeve 4 fixedly connected to the top of the reactor cover plate 3, and the top inner wall of the protective sleeve 4 is fixedly connected to a servo motor 13. The output shaft of the servo motor 13 is fixedly connected to a first rotating shaft 14. The first rotating shaft The outer wall of the shaft 14 is fixedly sleeved with a plurality of first stirring rods 32, and the outer wall of the first stirring rod 32 is fixedly connected with a plurality of second stirring rods 33. The inner wall of the annular plate 21 is slidably connected with a sliding disc 31. The bottom of the first rotating shaft 14 is fixedly connected with a reciprocating screw 30, and the reciprocating screw 30 threadably penetrates the sliding disc 31. The bottom of the reciprocating screw 30 is fixedly connected with a second rotating shaft 29. The bottom of the second rotating shaft 29 rotates and penetrates the inside of the rectangular groove 28 and is fixedly connected with a driving gear 27. The outer wall of the rotating rod 26 is fixedly sleeved with a driven gear 25. The driven gear 25 The servo motor 13 is started at this time, and the output shaft of the servo motor 13 drives the first rotating shaft 14 to rotate, and the first rotating shaft 14 drives the first stirring rods 32 to rotate, and the first stirring rods 32 drive the second stirring rods 33 to rotate, thereby increasing the reaction rate of the raw materials. When the first rotating shaft 14 rotates, the reciprocating screw rod 30 can be driven to rotate, and the reciprocating screw rod 30 drives the sliding disc 31 to move up and down. At this time, the sliding disc 31 moves up and down inside the annular plate 21, and the raw materials are continuously pushed up and down, thereby increasing the reaction rate;

[0036] A rectangular box 17 is fixedly connected to the inner wall of the reactor body 1, and a second stirring assembly for stirring the raw materials is arranged below the rectangular box 17. The second stirring assembly includes a rectangular groove 28 opened inside the rectangular box 17, and a rotating rod 26 is rotatably connected to the inner wall of the top of the rectangular groove 28. The bottom of the rotating rod 26 rotates through the rectangular box 17 and is fixedly connected to a plurality of stirring blades 18. A triangular block 34 is fixedly connected to the top of the rectangular box 17, and an electric push rod 23 is fixedly connected to the bottom of the sliding circular plate 15. The piston rod of the electric push rod 23 is fixedly connected to the top of the triangular block 34. When the electric push rod 23 is started, the piston rod of the electric push rod 23 extends, and the sliding circular plate 15 moves up, and the sliding circular plate 15 and the annular plate 21 are connected. There is a gap between the upper materials and the lower part of the reactor body 1. When the materials need to be discharged, the electric push rod 23 is started again, and the piston rod of the electric push rod 23 is retracted. At this time, the sliding circular plate 15 descends, and the sliding circular plate 15 drives the second connecting plate 20 and the first connecting plate 19 to move downward, and the first connecting plate 19 drives the blocking block 24 to move downward. The blocking block 24 moves inside the discharge pipe 12. Since the upper part of the discharge pipe 12 is narrow, when the upper part of the blocking block 24 is located inside the discharge pipe 12, there is a gap between the blocking block 24 and the discharge pipe 12, and the materials can be discharged. At the same time, hot air can be sent into the air inlet pipe 2, and then filled with the inside of the cavity 16, and then discharged through the exhaust port 11;

[0037] A discharging assembly for controlling material discharge is provided below the sliding circular plate 15, and the discharging assembly includes two second connecting plates 20 symmetrically arranged and fixedly connected to the bottom of the sliding circular plate 15, and a first connecting plate 19 is fixedly connected to the bottom of the second connecting plate 20, and one end of the two first connecting plates 19 close to each other is fixedly connected to the same blocking block 24, and the size of the upper half of the blocking block 24 is smaller than the size of the lower half of the blocking block 24, and the lower half of the blocking block 24 is used in conjunction with the discharging pipe 12, and when the reciprocating screw 30 rotates, it can drive the second rotating shaft 29 to rotate, and the second rotating shaft 29 drives the driving gear 27 to rotate, and the driving gear 27 drives the driven gear 25 to rotate, and the driven gear 25 drives the rotating rod 26 to rotate, and the rotating rod 26 drives the stirring blade 18 to rotate, so as to stir the raw materials below and increase the reaction rate again. At the same time, raw materials can be put into the upper part again to react synchronously and improve work efficiency.

[0038] A production method of a novel polyester material synthesis reactor specifically comprises the following steps:

[0039] S1. Raw material input: feed the raw materials into the interior of the reactor body 1 through the feed pipe 6, and input various catalysts into the interior of the reactor body 1 through the feed pipe 8;

[0040] S2, transesterification reaction: transesterification reaction is carried out in the upper part of the reactor body 1 to generate an intermediate product;

[0041] S3, stirring to improve reaction rate: start the servo motor 13, drive the first stirring component and the second stirring component to stir, improve the reaction rate of the raw materials, and at the same time, the reciprocating screw 30 drives the sliding disc 31 to move up and down, continuously pushing the raw materials up and down, further improving the reaction rate;

[0042] S4, material discharge: when the reaction is completed, the electric push rod 23 is started to move the sliding circular plate 15 upward, and the material falls to the lower half of the reactor body 1. The electric push rod 23 is started again to move the sliding circular plate 15 downward, driving the blocking block 24 to move downward, and the material is discharged through the discharge pipe 12;

[0043] S5. Heating to promote reaction: During the reaction process, hot air can be introduced through the air inlet pipe 2 to fill the interior of the cavity 16 and then discharged through the exhaust port 11 to heat the reactor and promote the chemical reaction.

[0044] Example 2; Reference Figure 1-6 , improved on the basis of Example 1: a cavity 16 is opened inside the reactor body 1, an air inlet pipe 2 is fixedly connected to one side of the reactor body 1, one end of the air inlet pipe 2 is connected to the cavity 16, an exhaust port 11 is fixedly connected to the bottom of the reactor body 1, the exhaust port 11 is connected to the cavity 16, a lower flange 10 is fixedly connected to the top of the reactor body 1, an upper flange 9 is fixedly connected to the bottom of the reactor cover plate 3, the upper flange 9 and the lower flange 10 are fixedly connected by bolts, a sealing plate 5 is provided on the top of the feed pipe 6, and legs 7 are fixedly connected to the four corners of the bottom of the reactor body 1.

[0045] However, as is well known to those skilled in the art, the working principles and wiring methods of the electric push rod 23 and the servo motor 13 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selections according to their needs or convenience.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel polyester material synthesis reactor, characterized in that: include: A reactor body (1), wherein a reactor cover plate (3) is arranged on the top of the reactor body (1), a feed pipe (6) is fixedly connected to one side of the top of the reactor cover plate (3), a plurality of feeding pipes (8) are fixedly connected to the top of the reactor cover plate (3), two symmetrically arranged third connecting rods (22) are fixedly connected to the inner wall of the reactor body (1), and the ends of the two third connecting rods (22) close to each other are fixedly connected to the same annular plate (21), a discharge pipe (12) is fixedly connected to the bottom of the reactor body (1), a sliding circular plate (15) is slidably connected to the inner wall of the reactor body (1), and a first stirring component for stirring raw materials is arranged above the sliding circular plate (15); A rectangular box (17) is fixedly connected to the inner wall of the reactor body (1), and a second stirring component for stirring the raw materials is arranged below the rectangular box (17); A material discharging assembly for controlling the discharge of materials is arranged below the sliding circular plate (15).

2. A novel polyester material synthesis reactor according to claim 1, characterized in that: The first stirring assembly comprises a protective sleeve (4) fixedly connected to the top of the reactor cover plate (3); the top inner wall of the protective sleeve (4) is fixedly connected to a servo motor (13); the output shaft of the servo motor (13) is fixedly connected to a first rotating shaft (14); the outer wall of the first rotating shaft (14) is fixedly sleeved with a plurality of first stirring rods (32); the outer wall of the first stirring rod (32) is fixedly connected to a plurality of second stirring rods (33).

3. A novel polyester material synthesis reactor according to claim 2, characterized in that: The second stirring assembly comprises a rectangular groove (28) opened inside the rectangular box (17); the top inner wall of the rectangular groove (28) is rotatably connected to a rotating rod (26); the bottom of the rotating rod (26) rotatably penetrates the rectangular box (17) and is fixedly connected to a plurality of stirring blades (18); the top of the rectangular box (17) is fixedly connected to a triangular block (34); the bottom of the sliding circular plate (15) is fixedly connected to an electric push rod (23); and the piston rod of the electric push rod (23) is fixedly connected to the top of the triangular block (34).

4. The novel polyester material synthesis reactor according to claim 1, characterized in that: The discharge assembly comprises two symmetrically arranged second connecting plates (20) fixedly connected to the bottom of the sliding circular plate (15), the bottom of the second connecting plates (20) being fixedly connected to the first connecting plate (19), and the ends of the two first connecting plates (19) close to each other being fixedly connected to the same blocking block (24), the size of the upper half of the blocking block (24) being smaller than the size of the lower half of the blocking block (24), and the lower half of the blocking block (24) being used in conjunction with the discharge pipe (12).

5. The novel polyester material synthesis reactor according to claim 3, characterized in that: The inner wall of the annular plate (21) is slidably connected to a sliding disc (31), the bottom of the first rotating shaft (14) is fixedly connected to a reciprocating screw (30), and the reciprocating screw (30) is threadedly penetrated through the sliding disc (31).

6. A novel polyester material synthesis reactor according to claim 5, characterized in that: The bottom of the reciprocating screw rod (30) is fixedly connected to a second rotating shaft (29), the bottom of the second rotating shaft (29) rotates to penetrate the inside of the rectangular groove (28) and is fixedly connected to a driving gear (27), and the outer wall of the rotating rod (26) is fixedly sleeved with a driven gear (25), and the driven gear (25) is meshed with the driving gear (27).

7. The novel polyester material synthesis reactor according to claim 1, characterized in that: A cavity (16) is provided inside the reactor body (1); an air inlet pipe (2) is fixedly connected to one side of the reactor body (1); one end of the air inlet pipe (2) is connected to the cavity (16); and an exhaust port (11) is fixedly connected to the bottom of the reactor body (1); the exhaust port (11) is connected to the cavity (16).

8. The novel polyester material synthesis reactor according to claim 1, characterized in that: The top of the reactor body (1) is fixedly connected to a lower flange (10), the bottom of the reactor cover plate (3) is fixedly connected to an upper flange (9), the upper flange (9) and the lower flange (10) are fixedly connected by bolts, a sealing plate (5) is provided on the top of the feed pipe (6), and legs (7) are fixedly connected to the four corners of the bottom of the reactor body (1).

9. The method for producing a novel polyester material synthesis reactor according to any one of claims 1 to 8, characterized in that: The specific steps include: S1. Raw material input: raw materials are fed into the interior of the reactor body (1) through the feed pipe (6), and various catalysts are input into the interior of the reactor body (1) through the feed pipe (8); S2, transesterification reaction: transesterification reaction is carried out in the upper part of the reactor body (1) to generate an intermediate product; S3, stirring to increase the reaction rate: starting the servo motor (13) to drive the first stirring component and the second stirring component to stir, thereby increasing the reaction rate of the raw materials. At the same time, the reciprocating screw (30) drives the sliding disc (31) to move up and down, continuously pushing the raw materials up and down, thereby further increasing the reaction rate; S4, material discharge: when the reaction is completed, the electric push rod (23) is started to move the sliding circular plate (15) upward, and the material falls to the lower half of the reactor body 1. The electric push rod (23) is started again to move the sliding circular plate (15) downward, driving the blocking block (24) to move downward, and the material is discharged through the discharge pipe (12); S5. Heating to promote reaction: During the reaction process, hot air can be introduced through the air inlet pipe (2) to fill the interior of the cavity (16) and then discharged through the exhaust port (11) to heat the reactor and promote the chemical reaction.

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