Polymerization reaction equipment

Abstract

The utility model relates to the technical field of polymerization kettles, discloses polymerization reaction equipment, and solves the technical problems that materials can be stirred by driving a stirrer through a stirring motor, but the stirrer is in a one-way motion state, so that the materials are in a regular motion state, and the stirring effect on the materials is poor. Comprising a kettle body and a kettle cover, a main shaft is arranged in the kettle body, scraping strips are fixedly connected to the two sides of the main shaft through two stirring rods, the four stirring rods are made of thickened copper plates, electric heating wires are fixedly arranged on the surfaces of the four stirring rods, and the kettle cover is fixedly arranged at the top end of the kettle body; materials can be input into the kettle body through the feeding valve, one of the vertical shafts is driven by the speed reducing motor, the two vertical shafts can rotate in opposite directions, the two vertical shafts can drive the driven gear to rotate forwards and backwards in a reciprocating mode through the two incomplete gears, and the driven gear can drive the stirring rod to rotate forwards and backwards in a reciprocating mode through the main shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of polymerization kettles, in particular to a polymerization reaction device. Background Art

[0002] Polymerization kettle is the main equipment for preparing polymer compounds, which is generally composed of kettle body, kettle cover, jacket, stirrer, transmission device, shaft sealing device, support, etc. Due to different production processes and operating conditions of users, the stirring types in the polymerization kettle are generally anchor type, paddle type, turbine type, propulsion type or frame type. When the height-diameter ratio of the stirring device is relatively large, multi-layer stirring blades can be used, and it can also be selected according to the requirements of users;

[0003] According to the "balanced heating polymerization reactor" provided by China Patent Authorization Announcement No. CN210187140U, the material can be stirred by driving the agitator through a stirring motor, but the agitator is in a unidirectional motion state, which makes the material in a regular motion state, and the stirring effect on the material is poor. The heating speed and uniformity of the material can be increased by heating the inside and outside of the reactor at the same time, but it is necessary to inject heat transfer oil for heat conduction, the structure is complicated, and the loss during heat transfer will be increased. Utility Model Content

[0004] The utility model provides a polymerization reaction device, which solves the technical problem that a stirring motor drives a stirrer to stir materials, but the stirrer is in a unidirectional motion state, so that the materials are in a regular motion state and the stirring effect on the materials is poor.

[0005] In order to solve the above technical problems, the utility model provides a polymerization reaction equipment, including a kettle body and a kettle cover, a main shaft is arranged inside the kettle body, and scrapers are fixedly connected to both sides of the main shaft through two stirring rods, the four stirring rods are made of thickened copper plate, and electric heating wires are fixedly arranged on the surfaces of the four stirring rods, a kettle cover is fixedly arranged on the top of the kettle body, and a support plate is fixedly connected to the inside of the kettle cover through four vertical rods, and the inner wall in the middle of the top of the kettle cover and the middle of the bottom of the support plate are rotatably connected to the top of the main shaft through a seat bearing, a protective cover is fixedly arranged on the top of the kettle cover, a reduction motor is fixedly installed on one side of the top of the protective cover, and two vertical shafts are rotatably connected inside the protective cover, and the output shaft of the reduction motor is fixedly connected to the top of one of the vertical shafts, and transmission gears are fixedly arranged on the tops of the two vertical shafts, and the two transmission gears are meshed and connected, and incomplete gears are fixedly arranged on the bottoms of the two vertical shafts, and the two incomplete gears are alternately meshed and connected with driven gears, and the top of the main shaft passes through the kettle cover and is fixedly connected to the middle of the bottom end of the driven gear.

[0006] Preferably, a feed valve is fixedly connected to the top of one side of the kettle body, and a discharge valve is fixedly connected to the middle of the bottom end of the kettle body.

[0007] Preferably, a support ring is welded to the top end of the kettle body, a pressure ring is welded to the bottom end of the kettle cover, a sealing gasket is snap-connected to the bottom end of the pressure ring, and the top end of the support ring is fixedly connected to the bottom end of the pressure ring by bolts.

[0008] Preferably, the top ends of the four vertical rods are fixedly connected to the inner wall of the top end of the kettle cover, and the bottom ends of the four vertical rods are fixedly connected to the top end of the support plate. A through hole is opened in the middle of the support plate, and the main shaft is connected through the through hole.

[0009] Preferably, three supporting legs are fixedly connected to the bottom of the kettle body, positioning plates are fixedly provided at the bottom ends of the three supporting legs, and a plurality of positioning holes are opened on the surfaces of the three positioning plates.

[0010] Preferably, an inspection cover is fixedly connected to the front side of the protective cover by screws.

[0011] Compared with the related art, the beneficial effects of the utility model are:

[0012] The utility model provides a polymerization reaction device, wherein materials can be input into a kettle body through a feed valve, and one of the vertical shafts is driven by a reduction motor. Due to the meshing connection of two transmission gears, the two vertical shafts can rotate in opposite directions to each other, and the two vertical shafts can drive the driven gears to reciprocate in positive and negative directions through two incomplete gears, and the driven gears can drive the stirring rod to reciprocate in positive and negative directions through the main shaft. In the process of stirring the materials, the unidirectional movement of the stirring rod is avoided, and the materials can be placed in an irregular motion state, thereby improving the stirring effect of the materials during the reaction. The fulcrum of the main shaft can be increased through two seat bearings, thereby improving the stability and anti-shake ability of the main shaft, and the materials can be discharged by opening the discharge valve, and the two scrapers can clean the inner wall of the kettle body, thereby improving the discharge efficiency.

[0013] By arranging an electric heating wire on the surface of the stirring rod, the electric heating wire can heat the material inside the kettle body. Since the stirring rod is made of thickened copper plate, it has good thermal conductivity, which can improve the thermal conductivity efficiency and the heating speed of the material. Since the main shaft can drive the stirring rod to reciprocate in both directions, the stirring rod can drive the electric heating wire to reciprocate in both directions, which can increase the heating area of ​​the material and make the material evenly heated. The structure is simple, it is not easy to produce heat, and the heat loss can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3It is a schematic diagram of the cross-sectional structure of the kettle cover of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the support plate of the utility model.

[0018] Numbers in the figure: 1. kettle body; 2. main shaft; 3. stirring rod; 4. heating wire; 5. feed valve; 6. discharge valve; 7. support ring; 8. pressure ring; 9. kettle cover; 10. vertical pole; 11. support plate; 12. through hole; 13. bearing with seat; 14. sealing gasket; 15. protective cover; 16. driven gear; 17. vertical shaft; 18. transmission gear; 19. incomplete gear; 20. reduction motor; 21. inspection cover; 22. support leg; 23. scraper. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4A polymerization reaction equipment comprises a kettle body 1 and a kettle cover 9, a main shaft 2 is arranged inside the kettle body 1, and scrapers 23 are fixedly connected to both sides of the main shaft 2 through two stirring rods 3, the four stirring rods 3 are made of thickened copper plate, and electric heating wires 4 are fixedly arranged on the surfaces of the four stirring rods 3, a kettle cover 9 is fixedly arranged on the top of the kettle body 1, and a support plate 11 is fixedly connected to the inside of the kettle cover 9 through four vertical rods 10, and the inner wall in the middle of the top of the kettle cover 9 and the middle of the bottom of the support plate 11 are rotatably connected to the top of the main shaft 2 through a seat bearing 13, a protective cover 15 is fixedly arranged on the top of the kettle cover 9, and a reduction motor 20 is fixedly installed on one side of the top of the protective cover 15, and the inside of the protective cover 15 is rotatably connected to two vertical shafts 17, and the output shaft of the reduction motor 20 is fixedly connected to the top of one of the vertical shafts 17, and the two A transmission gear 18 is fixedly provided on the top of each vertical shaft 17, and the two transmission gears 18 are meshed and connected. An incomplete gear 19 is fixedly provided on the bottom of the two vertical shafts 17, and the two incomplete gears 19 are alternately meshed and connected with the driven gear 16. The top of the main shaft 2 passes through the kettle cover 9 and is fixedly connected to the middle part of the bottom end of the driven gear 16. One of the vertical shafts 17 is driven by the reduction motor 20. Since the two transmission gears 18 are meshed and connected, the two vertical shafts 17 can rotate in opposite directions to each other. The two vertical shafts 17 can drive the driven gear 16 to reciprocate in forward and reverse directions through the two incomplete gears 19. The driven gear 16 can drive the stirring rod 3 to reciprocate in forward and reverse directions through the main shaft 2. In the process of stirring the material, the unidirectional movement of the stirring rod 3 is avoided, and the material can be in an irregular motion state.

[0021] See also Figure 1 A feed valve 5 is fixedly connected to the top of one side of the kettle body 1, and a discharge valve 6 is fixedly connected to the middle of the bottom end of the kettle body 1. The feed valve 5 and the discharge valve 6 facilitate feeding and discharging of materials.

[0022] See also Figure 2 and Figure 3 A supporting ring 7 is welded to the top of the kettle body 1, a pressing ring 8 is welded to the bottom of the kettle cover 9, a sealing gasket 14 is snap-connected to the bottom of the pressing ring 8, and the top of the supporting ring 7 is fixedly connected to the bottom of the pressing ring 8 by bolts, so that the kettle cover 9 can be easily installed and disassembled through the pressing ring 8 and the supporting ring 7.

[0023] See also Figure 3 and Figure 4 The top ends of the four vertical rods 10 are fixedly connected to the inner wall of the top of the kettle cover 9, and the bottom ends of the four vertical rods 10 are fixedly connected to the top of the support plate 11. A through hole 12 is opened in the middle of the support plate 11, and the main shaft 2 is connected with the through hole 12 through the through hole 12. The through hole 12 can prevent the main shaft 2 from contacting the support plate 11 and generating friction.

[0024] See also Figure 1The bottom of the kettle body 1 is fixedly connected with three supporting legs 22, and the bottom ends of the three supporting legs 22 are fixedly provided with positioning plates. The surfaces of the three positioning plates are provided with a plurality of positioning holes. The supporting legs 22 can support the kettle body 1, and the supporting legs 22 can be positioned through the positioning holes and the positioning plates.

[0025] See also Figure 1 The front of the protective cover 15 is fixedly connected with an inspection cover 21 by screws. By opening the inspection cover 21, the interior of the protective cover 15 can be repaired.

[0026] In summary, in the present invention, the staff first inputs the material into the kettle body 1 through the feed valve 5, and then drives one of the vertical shafts 17 through the reduction motor 20. Since the two transmission gears 18 are meshed and connected, the two vertical shafts 17 can rotate in opposite directions to each other. The two vertical shafts 17 can drive the driven gear 16 to reciprocate in the forward and reverse directions through the two incomplete gears 19. The driven gear 16 can drive the stirring rod 3 to reciprocate in the forward and reverse directions through the main shaft 2. In the process of stirring the material, the unidirectional movement of the stirring rod 3 is avoided, the material can be in an irregular motion state, and the stirring effect of the material during the reaction can be improved. A heating wire 4 is provided, which can heat the material inside the kettle body 1. Since the stirring rod 3 is made of thickened copper plate, it has good thermal conductivity, which can improve the thermal conductivity efficiency and the heating speed of the material. Since the main shaft 2 can drive the stirring rod 3 to rotate back and forth, the stirring rod 3 can drive the heating wire 4 to rotate back and forth, which can increase the heating area of ​​the material and make the material evenly heated. The structure is simple, not easy to produce, and can reduce heat loss. After the material reacts, the staff can open the discharge valve 6 to discharge the material. The two scrapers 23 can clean the inner wall of the kettle body 1 during rotation, which can improve the discharge efficiency and not easy to produce residue.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polymerization reaction device, comprising a kettle body (1) and a kettle cover (9), characterized in that: A main shaft (2) is provided inside the kettle body (1), and scrapers (23) are fixedly connected to both sides of the main shaft (2) via two stirring rods (3), the four stirring rods (3) are made of thickened copper plate material, and electric heating wires (4) are fixedly provided on the surfaces of the four stirring rods (3). A kettle cover (9) is fixedly provided at the top of the kettle body (1), and a support plate (11) is fixedly connected to the inside of the kettle cover (9) via four vertical rods (10). The inner wall of the middle part of the top end of the kettle cover (9) and the middle part of the bottom end of the support plate (11) are rotatably connected to the top of the main shaft (2) via a seat bearing (13), and a protective cover (15) is fixedly provided at the top of the kettle cover (9). A reduction motor (20) is fixedly mounted on one side of the top of the protective cover (15); two vertical shafts (17) are rotatably connected inside the protective cover (15); an output shaft of the reduction motor (20) is fixedly connected to the top of one of the vertical shafts (17); transmission gears (18) are fixedly provided on the tops of the two vertical shafts (17); the two transmission gears (18) are meshingly connected; incomplete gears (19) are fixedly provided on the bottoms of the two vertical shafts (17); the two incomplete gears (19) are alternately meshingly connected with driven gears (16); and the top of the main shaft (2) passes through the kettle cover (9) and is fixedly connected to the middle of the bottom end of the driven gear (16).

2. A polymerization reaction equipment according to claim 1, characterized in that: A feed valve (5) is fixedly connected to the top of one side of the kettle body (1), and a discharge valve (6) is fixedly connected to the middle of the bottom end of the kettle body (1).

3. A polymerization reaction equipment according to claim 1, characterized in that: The top ends of the four vertical rods (10) are fixedly connected to the inner wall of the top end of the kettle cover (9), and the bottom ends of the four vertical rods (10) are fixedly connected to the top end of the support plate (11). A through hole (12) is provided in the middle of the support plate (11), and the main shaft (2) is connected to the through hole (12) through an insertion hole.

4. A polymerization reaction equipment according to claim 1, characterized in that: Three supporting legs (22) are fixedly connected to the bottom of the kettle body (1), and positioning plates are fixedly provided at the bottom ends of the three supporting legs (22), and a plurality of positioning holes are provided on the surfaces of the three positioning plates.

5. A polymerization reaction equipment according to claim 1, characterized in that: The front side of the protective cover (15) is fixedly connected to an inspection cover (21) via screws.

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