Polymerization reaction kettle

Abstract

The utility model discloses a polymerization reaction kettle which comprises a reaction kettle body, a feeding hopper is arranged at the top end of the reaction kettle body, a discharging pipe is arranged at the bottom end of the reaction kettle body, a stirring assembly is arranged on the reaction kettle body, and the stirring assembly is connected with a scraping assembly. The stirring assembly comprises a motor and a stirring shaft connected with the output end of the motor, the motor is fixed at the bottom end of the reaction kettle body, the scraping blades can always abut against the inner wall of the reaction kettle body, raw materials on the inner wall of the reaction kettle body can be scraped more thoroughly, and meanwhile, the raw materials can be scraped more thoroughly. The motor is arranged at the lower end of the reaction kettle body, so that the length of the stirring shaft can be shortened, and the problem that raw materials cannot effectively participate in the reaction due to winding and adhesion on the stirring shaft in the preparation process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water-based adhesive preparation equipment, in particular to a polymerization reaction kettle. Background Art

[0002] Reactors are widely used in petroleum, chemical industry, rubber, pesticide, dye, medicine, food, and are pressure vessels used to complete processes such as vulcanization, nitration, hydrogenation, hydrocarbonization, polymerization, condensation, etc., such as reactors, reaction pots, decomposition pots, polymerization kettles, etc.

[0003] When producing water-based adhesives, a reactor is needed to stir and mix the prepared materials. Generally, the reactor only has a stirring function. However, after the water-based adhesive is prepared and discharged, due to its certain viscosity, it will adhere to the inner wall, stirring paddle and stirring shaft of the reactor, resulting in incomplete discharge of the adhesive and causing waste, and bringing certain difficulties to the subsequent cleaning process. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a polymerization reactor, including a reactor body, a feed hopper is arranged at the top of the reactor body, a discharge pipe is arranged at the bottom of the reactor body, a stirring assembly is arranged in the reactor body, and the stirring assembly is connected to the scraping assembly.

[0005] Preferably, the stirring assembly comprises a motor and a stirring shaft connected to an output end of the motor, and the motor is fixed to the bottom end of the reactor body.

[0006] Preferably, the stirring shaft is located in the reactor body, and the stirring shaft is vertically arranged and coaxially rotatably connected with the reactor body.

[0007] Preferably, the scraping assembly comprises a scraping rotating frame and scraping blades, and the scraping rotating frame is a rectangular frame formed by mutually perpendicularly welding square steel pipes.

[0008] Preferably, one side of the scraping rotating frame is fixedly connected to the stirring shaft, and the scraping rotating frame rotates in the same direction as the stirring shaft.

[0009] Preferably, a scraping blade is arranged on the outer side of the scraping rotating frame, the scraping blade is arranged vertically, and the scraping blade is detachably connected to the scraping rotating frame.

[0010] Preferably, the side walls of the scraping rotating frame are connected with clamping slots which are arranged opposite to each other, and the length direction of the clamping slots is consistent with the length direction of the scraping rotating frame.

[0011] Preferably, the clamping slot is fixedly connected to the scraping rotating frame, and the scraping blade is detachably connected to the clamping slot.

[0012] Preferably, one side of the scraping blade is located in the clamping groove, and the other side of the scraping blade abuts against the inner wall of the reactor body.

[0013] Preferably, a connecting piece is provided on the clamping slot, and the scraping blade is fixed to the clamping slot via the connecting piece.

[0014] Technical effects and advantages of the utility model:

[0015] In the utility model, the scraping blade can always be kept in close contact with the inner wall of the reactor body, so that the raw materials on the inner wall of the reactor body can be scraped more thoroughly. At the same time, by arranging the motor at the lower end of the reactor body, the length of the stirring shaft can be shortened, thereby avoiding the problem that the raw materials are entangled and adhered to the stirring shaft during the preparation process, resulting in the inability to effectively participate in the reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of a polymerization reactor provided in an embodiment of the present application;

[0017] Figure 2 It is a schematic diagram of the structure of a stirring component and a scraping component in a polymerization reactor provided in an embodiment of the present application;

[0018] Figure 3 The polymerization reactor provided in the embodiment of the present application Figure 2 The enlarged schematic diagram of point A in the middle;

[0019] Figure 4 It is a top view of removing the top cover of the reactor body provided in an embodiment of the present application.

[0020] In the figure: 1. feed hopper; 2. reactor body; 3. motor; 4. base bracket; 5. discharge pipe; 6. stirring assembly 6; 7. scraper rotating frame; 8. scraper blade; 9. clamping slot; 10. stirring blade; 11. stirring shaft; 12. connecting piece; 13. connecting nut. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0022] See also Figure 1In this embodiment, a polymerization reactor is provided, including a reactor body 2, a feed hopper 1 is arranged on the top cover of the reactor body 2, a discharge pipe 5 is arranged at the bottom end of the reactor body 2, and the material enters the reactor body 2 from the feed hopper 1 for mixing and stirring, and then is discharged from the discharge pipe 5, a base bracket 4 is fixedly connected to the lower end of the reactor body 2, a stirring component 6 is arranged in the reactor body 2, and the stirring component 6 is connected to the scraping component.

[0023] See also Figure 2-4 As shown, the stirring assembly 6 includes a motor 3 and a stirring shaft 11 connected to the output end of the motor 3. The motor 3 is fixed to the bottom end of the reactor body 2, and the stirring shaft 11 is located in the reactor body 2. The stirring shaft 11 is vertically arranged and coaxially rotatably connected to the reactor body 2. By arranging the motor 3 at the lower end of the reactor body 2, the length of the stirring shaft 11 can be shortened, thereby avoiding the problem that the raw materials are entangled and adhered to the stirring shaft 11 during the preparation process, resulting in the inability to effectively participate in the reaction.

[0024] The scraping assembly includes a scraping rotating frame 7 and a scraping blade 8. The scraping rotating frame 7 is a rectangular frame formed by square steel pipes welded vertically to each other. The scraping rotating frame 7 is vertically arranged. One side of the scraping rotating frame 7 is fixedly connected to the stirring shaft 11. The rotation directions of the scraping rotating frame 7 and the stirring shaft 11 are consistent. A scraping blade 8 is arranged on the outer side of the scraping rotating frame 7. The scraping blade 8 is vertically arranged and the scraping blade 8 is detachably connected to the scraping rotating frame 7.

[0025] Furthermore, a relatively arranged clamping slot 9 is connected to the side wall of the scraper rotating frame 7, the length direction of the clamping slot 9 is consistent with the length direction of the scraper rotating frame 7, the clamping slot 9 is fixedly connected to the scraper rotating frame 7, and the scraper blade 8 is detachably connected to the clamping slot 9, one side of the scraper blade 8 is located in the clamping slot 9, and the other side of the scraper blade 8 abuts against the inner wall of the reactor body 2.

[0026] Furthermore, a connecting piece 12 is provided on the clamping slot 9 , and the scraping blade 8 is fixed to the clamping slot 9 via the connecting piece 12 .

[0027] Specifically, the connecting member 12 is a bolt.

[0028] In this embodiment, the scraping blade 8 is made of silicone material, and the elastically arranged scraper can reduce the possibility of causing damage to the inner wall of the reactor body.

[0029] See also Figure 2-3 As shown, a plurality of stirring blades 10 are provided on the scraping rotating frame 7. The stirring blades 10 are located inside the scraping rotating frame 7. The plurality of stirring blades 10 are cross-arranged along the length direction of the scraping rotating frame 7. The middle portion of the stirring blades 10 is fixed to the stirring shaft 11 through a connecting nut 13.

[0030] The working principle of the utility model is:

[0031] The prepared raw materials are added into the reactor body 2 from the feed hopper 1, the motor 3 is started, driving the stirring shaft 11 to rotate, the scraper rotating frame 7 rotates synchronously with the stirring shaft 11, and the stirring blades 10 mix and stir the prepared raw materials to complete the preparation of the adhesive. During the rotation of the scraper rotating frame 7, the scraper blades 8 scrape the raw materials on the inner wall of the reactor body 2, reducing the possibility of the raw materials adhering to the inner wall of the reactor body 2. After the preparation of the adhesive is completed, it is discharged from the discharge pipe 5. After the adhesive is discharged, the motor 3 drives the stirring shaft 11 to continue to rotate, and the scraper rotating frame 7 scrapes the adhesive on the inner wall and bottom of the reactor body 2, so that the adhesive is discharged more thoroughly.

[0032] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A polymerization reactor, comprising a reactor body (2), characterized in that: A feed hopper (1) is arranged at the top of the reactor body (2), a discharge pipe (5) is arranged at the bottom of the reactor body (2), a stirring assembly (6) is arranged inside the reactor body (2), and the stirring assembly (6) is connected to a scraping assembly.

2. A polymerization reactor according to claim 1, characterized in that: The stirring assembly (6) comprises a motor (3) and a stirring shaft (11) connected to the output end of the motor (3); the motor (3) is fixed to the bottom end of the reactor body (2).

3. A polymerization reactor according to claim 2, characterized in that: The stirring shaft (11) is located inside the reactor body (2); the stirring shaft (11) is vertically arranged and coaxially rotatably connected with the reactor body (2).

4. A polymerization reactor according to claim 1, characterized in that: The scraping assembly comprises a scraping rotating frame (7) and a scraping blade (8); the scraping rotating frame (7) is a rectangular frame formed by mutually perpendicularly welding square steel pipes.

5. A polymerization reactor according to claim 4, characterized in that: One side of the scraping rotating frame (7) is fixedly connected to the stirring shaft (11), and the scraping rotating frame (7) and the stirring shaft (11) rotate in the same direction.

6. A polymerization reactor according to claim 5, characterized in that: A scraping blade (8) is arranged on the outer side of the scraping rotating frame (7); the scraping blade (8) is arranged vertically, and the scraping blade (8) is detachably connected to the scraping rotating frame (7).

7. A polymerization reactor according to claim 6, characterized in that: The side walls of the scraping rotating frame (7) are connected with clamping slots (9) arranged opposite to each other, and the length direction of the clamping slots (9) is consistent with the length direction of the scraping rotating frame (7).

8. A polymerization reactor according to claim 7, characterized in that: The clamping slot (9) is fixedly connected to the scraping rotating frame (7), and the scraping blade (8) is detachably connected to the clamping slot (9).

9. A polymerization reactor according to claim 8, characterized in that: One side of the scraping blade (8) is located in the clamping groove (9), and the other side of the scraping blade (8) is in contact with the inner wall of the reactor body (2).

10. A polymerization reactor according to claim 9, characterized in that: The clamping slot (9) is provided with a connecting piece (12), and the scraping blade (8) and the clamping slot (9) are fixed via the connecting piece (12).

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