Polymerization reaction kettle

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a polymerization reaction kettle which comprises a kettle body, a feed port is fixed on one side of the kettle body, a fixing plate is rotatably sleeved on the outer layer of one side of the kettle body, an exhaust port and a discharge port are respectively fixed at the upper end and the lower end of the other side of the kettle body, and a first motor is fixed on the other side of the kettle body. A movable plate is clamped and fixed in the exhaust port, a quick release mechanism is mounted between the exhaust port and the movable plate, and a multi-shaft stirring assembly is mounted between the kettle body and the first motor; according to the reaction kettle, the filter screen in the exhaust port is quickly replaced by the quick release mechanism, the long-term filtering effect is kept, the pollution to the external environment is avoided, the multi-shaft stirring assembly is matched with the rotation of the kettle body, and the reverse rotation between the multi-shaft stirring assembly and the kettle body enables the mixture in the kettle body to fully react; therefore, the finished product yield of the whole process is improved, and the mixture adhered to the inner wall is scraped by matching with the scraper, so that the waste of the mixture and the corrosion to the inner wall of the kettle body are avoided.

Description

Technical Field

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

[0002] Reactors are the main equipment for preparing polymer compounds. They are usually vertical cylindrical high-pressure reactors. There are also horizontal reactors with electric heating jackets and stainless steel horizontal paddle stirrers. They are rotated by electric motors through transmission devices and reducers. The outer wall of the reactor is usually made of carbon steel and lined with enamel. During polymerization, single reactors can be used for intermittent production, or multiple reactors can be used for continuous production in series. During polymerization, the reaction materials in the reactor react with the nitrogen output from the nitrogen pipe that extends horizontally from the reactor during discharge from the reactor outlet to obtain polymerization reactants.

[0003] However, when the polymerization reactor in the prior art is reacting, a lot of harmful gases will be generated inside. After long-term use, the filter will cause its filtering effect to decrease, thereby polluting the environment. At the same time, during the reaction process, due to the complex components of the internal mixture, it is difficult to mix completely, resulting in an incomplete reaction.

[0004] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a polymerization reaction kettle, which utilizes a quick-release mechanism to quickly replace the filter screen inside the exhaust port to maintain its long-term filtering effect and avoid pollution to the external environment. At the same time, a multi-axis stirring assembly is utilized to cooperate with the rotation of the kettle body itself. The reverse rotation between the two allows the internal mixture to fully react, thereby ensuring that the yield of the finished product of the overall process is improved. A scraper is used to scrape the mixture adhering to the inner wall, thereby avoiding the problem of waste of the mixture and corrosion of the inner wall of the kettle body.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a polymerization reaction kettle, comprising a kettle body, a feed port is fixed on one side of the kettle body, and a fixed plate is rotatably sleeved on the outer layer of one side of the kettle body, an exhaust port and a discharge port are respectively fixed at the upper and lower ends of the other side of the kettle body, and a first motor is fixed on the other side of the kettle body, a movable plate is fixed in the clamping inside of the exhaust port, a quick-release mechanism is installed between the exhaust port and the movable plate, and a multi-axis stirring assembly is installed between the kettle body and the first motor;

[0007] A second motor is fixed to the upper surface of the fixed plate, a reducer is fixed to the transmission end of the second motor, a driving gear is fixed to the output end of the reducer, a first gear ring is fixed to the outer layer of the kettle body at a position corresponding to the driving gear, two auxiliary drive wheels fixed to the upper surface of the fixed plate are provided on one side of the second motor, and a support ring is fixed to the outer layer of the kettle body at a position corresponding to the auxiliary drive wheel.

[0008] Furthermore, the quick-release mechanism includes two first guide grooves symmetrically opened inside the movable plate, the first guide groove is internally slidably connected with a first guide slider, first springs and blocks are respectively fixed on both sides of the first guide slider, and a first paddle is fixed at one end of the first guide slider that penetrates and extends to the outside of the first guide groove, and a slot is opened on the side of the exhaust port corresponding to the position of the block.

[0009] Furthermore, a second guide slot is provided inside the exhaust port at a position above the corresponding slot, a second guide slide block is slidably connected inside the second guide slot, an insertion rod and a second spring are respectively fixed to the upper and lower ends of the second guide slide block, and a second paddle is fixed to one end of the second guide slot, which penetrates and extends to the outside of the second guide slot, and a socket is provided inside the block at a position corresponding to the insertion rod.

[0010] Furthermore, a filter is fixed on the inner side of the movable plate, and a locking groove is provided inside the exhaust port at a position corresponding to the filter.

[0011] Furthermore, the multi-axis stirring assembly includes a first gear connected to the transmission end of the first motor, the outer side of the first gear is meshed with three second gears rotatably connected to the inside of the kettle body, and the outer sides of the three second gears are commonly meshed with a second gear ring rotatably connected to the inside of the kettle body.

[0012] Furthermore, two scrapers are symmetrically fixed to the upper and lower ends of the second gear ring, and a stirring roller rotatably connected to the inside of the kettle body is fixed to one side of the second gear.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a quick-release mechanism, which drives the second guide slider to move by toggling the second paddle, thereby driving the insertion rod to move out of the inside of the jack, contacting the locking state between the two, and then toggling the first paddle to drive the first guide slider to move, thereby driving the card block to move out of the card slot, and then the movable plate can be taken out from the inside of the exhaust port, so as to clean and replace the filter screen inside it, so as to avoid the failure to form a good filtering effect on the harmful gas generated inside the reactor after long-term use, thereby causing pollution to the environment;

[0015] 2. The utility model is provided with a multi-axis stirring assembly, in which the first motor cooperates with the first gear and the second gear to drive the three stirring rollers to rotate simultaneously, and at the same time, the second motor cooperates with the driving gear and the first gear ring to drive the kettle body to rotate in the opposite direction to the stirring rollers, thereby forming a comprehensive stirring effect and allowing the internal mixture to fully react. The rotation of the three second gears drives the second gear ring to rotate at the same time, and the rotation of the second gear ring drives the scraper to rotate, thereby scraping the mixture adhered to the inner wall of the kettle body to avoid corrosion to the inner wall of the kettle body caused by long-term adhesion.

[0016] In summary, the filter screen inside the exhaust port is quickly replaced by a quick-release mechanism to maintain its long-term filtering effect and avoid pollution to the external environment. At the same time, the multi-axis stirring assembly is used in conjunction with the rotation of the kettle body itself. The reverse rotation between the two allows the internal mixture to fully react, thereby ensuring that the yield of the finished product of the overall process is improved. A scraper is used to scrape the mixture adhering to the inner wall, thereby avoiding waste of the mixture and corrosion of the inner wall of the kettle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the exhaust port of the utility model;

[0019] Figure 3 It is a top view of the combination of the movable plate and the exhaust port of the utility model;

[0020] Figure 4 It is a combined side view of the movable plate and the exhaust port of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the inner wall of the kettle body of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the multi-axis stirring assembly of the utility model.

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[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1: This embodiment aims to address the problem that a large amount of harmful gases will be generated inside the polymerization reactor in the prior art during the reaction, and the filtering effect of the filter will be reduced after long-term use, thereby causing pollution to the environment.

[0026] like Figure 1-4 As shown, a polymerization reactor comprises a reactor body 1, a feed port 2 is fixed on one side of the reactor body 1, and a fixed plate 3 is rotatably sleeved on the outer layer of one side of the reactor body 1, an exhaust port 6 and a discharge port 8 are respectively fixed at the upper and lower ends of the other side of the reactor body 1, and electromagnetic valves are arranged inside the exhaust port 6 and the discharge port 8, and a first motor 7 is fixed on the other side of the reactor body 1, a movable plate 14 is fixed in the clamping engagement inside the exhaust port 6, and a quick release mechanism 13 is installed between the exhaust port 6 and the movable plate 14;

[0027] The quick release mechanism 13 includes two first guide slots 21 symmetrically arranged inside the movable plate 14, the first guide slots 21 are slidably connected with the first guide slider 15, the first springs 18 and the clamping blocks 16 are fixed on both sides of the first guide slider 15, and one end of the first guide slider 15 is fixed with a first paddle 20 that penetrates and extends to the outside of the first guide slots 21, the first paddle 20 is moved to drive the first guide slider 15 to move, and the first guide slider 15 drives the first guide slot 21 to move out of the slot 33, so as to remove the movable plate 14, and a slot 33 is arranged on the side of the exhaust port 6 at the position corresponding to the clamping block 16;

[0028] A second guide slot 23 is provided at a position above the corresponding slot 33 inside the exhaust port 6, and a second guide slider 24 is slidably connected inside the second guide slot 23. An insertion rod 22 and a second spring 25 are fixed to the upper and lower ends of the second guide slider 24, respectively. A second paddle 26 that penetrates and extends to the outside of the second guide slot 23 is fixed at one end of the second guide slot 23. The second paddle 26 is moved to move the second guide slider 24 upward, and the second guide slot 23 is moved out of the socket 17 through the second guide slider 24, so as to release the engagement state between the second guide slot 23 and the socket 17. A socket 17 is provided inside the block 16 at a position corresponding to the insertion rod 22.

[0029] When the filter 19 needs to be replaced, the second paddle 26 is moved to drive the second guide slider 24 to move upward, and the second guide slide 23 is moved out of the socket 17 by the second guide slider 24, so as to release the engagement state between the second guide slide 23 and the socket 17, and then the first paddle 20 is moved to drive the first guide slider 15 to move, and the first guide slider 15 drives the first guide slide 21 to move out of the slot 33, and then the movable plate 14 is removed to replace the filter 19 inside it, so as to avoid the inability to effectively filter harmful substances after long-term use.

[0030] Embodiment 2: This embodiment aims to solve the problem that during the reaction process of the polymerization reactor in the prior art, the internal mixture components are complex and difficult to be completely mixed, which leads to an incomplete reaction.

[0031] like Figure 5-6 As shown, the embodiment is a polymerization reactor, and a multi-axis stirring assembly 27 is installed between the reactor body 1 and the first motor 7. The multi-axis stirring assembly 27 includes a first gear 31 connected to the transmission end of the first motor 7, and the outer side of the first gear 31 is meshed with three second gears 32 rotatably connected to the inside of the reactor body 1, and the outer sides of the three second gears 32 are commonly meshed with a second gear ring 30 rotatably connected to the inside of the reactor body 1, and two scrapers 29 are symmetrically fixed at the upper and lower ends of the second gear ring 30. The scrapers 29 are inclined structures. When the scrapers 29 rotate, they can drive the mixture to move, and then drive it all to be discharged through the discharge port 8. A stirring roller 28 rotatably connected to the inside of the reactor body 1 is fixed on one side of the second gear 32;

[0032] A second motor 10 is fixed to the upper surface of the fixed plate 3, a reducer 12 is fixed to the transmission end of the second motor 10, a driving gear 11 is fixed to the output end of the reducer 12, a first gear ring 4 is fixed to the position of the driving gear 11 on the outer layer of the kettle body 1, two auxiliary drive wheels 9 fixed to the upper surface of the fixed plate 3 are provided on one side of the second motor 10, and a support ring 5 is fixed to the position of the auxiliary drive wheel 9 on the outer layer of the kettle body 1.

[0033] When the reaction is in progress, the first motor 7 is started to drive the first gear 31 to rotate, the first gear 31 rotates to drive the second gear 32 to rotate, the second gear 32 rotates to drive the stirring roller 28 to rotate, so as to stir the mixture, and at the same time, the three second gears 32 rotate to drive the second gear ring 30 to rotate, and the second gear ring 30 rotates to drive the scraper 29 to rotate, so as to scrape the mixture adhered to the inner wall of the kettle body 1;

[0034] The second motor 10 is started at the same time as the reaction, and the driving gear 11 is driven to rotate through the reducer 12. The driving gear 11 cooperates with the first gear ring 4 to drive the kettle body 1 to rotate. The rotation direction of the kettle body 1 and the stirring roller 28 are opposite, so that the mixture reacts fully and the reaction effect is more thorough.

[0035] The working process and principle of the utility model are as follows:

[0036] Step 1: When the filter 19 needs to be replaced, the second paddle 26 is toggled to drive the second guide slider 24 to move upward, and the second guide slide 23 is driven by the second guide slider 24 to move out of the inside of the plug hole 17, so as to release the engagement state between the second guide slide 23 and the plug hole 17, and then the first paddle 20 is toggled to drive the first guide slider 15 to move, and the first guide slider 15 drives the first guide slide 21 to move out of the inside of the slot 33, and then the movable plate 14 is removed, so as to replace the filter 19 inside it, so as to avoid the inability to effectively filter harmful substances after long-term use;

[0037] Step 2: When the reaction is in progress, the first motor 7 is started to drive the first gear 31 to rotate, the first gear 31 rotates to drive the second gear 32 to rotate, the second gear 32 rotates to drive the stirring roller 28 to rotate, so as to stir the mixture, and at the same time, the three second gears 32 rotate to drive the second gear ring 30 to rotate, and the second gear ring 30 rotates to drive the scraper 29 to rotate, so as to scrape the mixture adhering to the inner wall of the kettle body 1;

[0038] The second motor 10 is started at the same time as the reaction, and the driving gear 11 is driven to rotate through the reducer 12. The driving gear 11 cooperates with the first gear ring 4 to drive the kettle body 1 to rotate. The rotation direction of the kettle body 1 and the stirring roller 28 are opposite, so that the mixture reacts fully and the reaction effect is more thorough.

[0039] In summary, the filter 19 inside the exhaust port 6 is quickly disassembled by using the quick-release mechanism 13, so as to replace the filter 19 to ensure its overall filtering effect and avoid pollution to the environment. At the same time, a multi-axis stirring assembly 27 is provided inside the kettle body 1, and the multi-axis stirring assembly 27 cooperates with the rotation of the kettle body 1 to make the internal mixture fully react.

[0040] The above are only preferred specific implementation methods 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 within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A polymerization reactor, comprising a reactor body (1), characterized in that: A feed port (2) is fixed on one side of the kettle body (1), and a fixed plate (3) is rotatably sleeved on the outer layer of one side of the kettle body (1); an exhaust port (6) and a discharge port (8) are respectively fixed at the upper and lower ends of the other side of the kettle body (1); a first motor (7) is fixed on the other side of the kettle body (1); a movable plate (14) is fixed in engagement with the inside of the exhaust port (6); a quick-release mechanism (13) is installed between the exhaust port (6) and the movable plate (14); and a multi-axis stirring assembly (27) is installed between the kettle body (1) and the first motor (7); A second motor (10) is fixed on the upper surface of the fixing plate (3); a reducer (12) is fixed on the transmission end of the second motor (10); a driving gear (11) is fixed on the output end of the reducer (12); a first gear ring (4) is fixed on the outer layer of the kettle body (1) at a position corresponding to the driving gear (11); two auxiliary drive wheels (9) fixed to the upper surface of the fixing plate (3) are provided on one side of the second motor (10); and a support ring (5) is fixed on the outer layer of the kettle body (1) at a position corresponding to the auxiliary drive wheel (9).

2. A polymerization reactor according to claim 1, characterized in that: The quick-release mechanism (13) comprises two first guide slots (21) symmetrically arranged inside the movable plate (14); a first guide slider (15) is slidably connected inside the first guide slot (21); a first spring (18) and a clamping block (16) are respectively fixed on both sides of the first guide slider (15); a first paddle (20) penetrating through and extending to the outside of the first guide slot (21) is fixed on one end of the first guide slider (15); and a slot (33) is arranged on the side of the exhaust port (6) at a position corresponding to the clamping block (16).

3. A polymerization reactor according to claim 2, characterized in that: A second guide slot (23) is provided at a position above the corresponding slot (33) inside the exhaust port (6); a second guide slider (24) is slidably connected inside the second guide slot (23); an insertion rod (22) and a second spring (25) are fixed to the upper and lower ends of the second guide slider (24), respectively; a second paddle (26) penetrating through and extending to the outside of the second guide slot (23) is fixed to one end of the second guide slot (23); and a plug hole (17) is provided inside the block (16) at a position corresponding to the insertion rod (22).

4. A polymerization reactor according to claim 2, characterized in that: A filter screen (19) is fixed on the inner side of the movable plate (14), and a locking groove is provided inside the exhaust port (6) at a position corresponding to the filter screen (19).

5. A polymerization reactor according to claim 1, characterized in that: The multi-axis stirring assembly (27) comprises a first gear (31) connected to the transmission end of the first motor (7); the outer side of the first gear (31) is meshed with three second gears (32) rotatably connected to the inside of the kettle body (1); the outer sides of the three second gears (32) are commonly meshed with a second gear ring (30) rotatably connected to the inside of the kettle body (1).

6. A polymerization reactor according to claim 5, characterized in that: Two scrapers (29) are symmetrically fixed at the upper and lower ends of the second gear ring (30), and a stirring roller (28) rotatably connected to the inside of the kettle body (1) is fixed on one side of the second gear (32).

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