Efficient methyl methacrylate synthesis reaction device

Abstract

The utility model relates to the technical field of methyl methacrylate production, in particular to an efficient methyl methacrylate synthesis reaction device. A top cover is arranged above the reaction barrel, the bottom of the reaction barrel is connected with a discharging pipe, a stirring driving structure is arranged in the top cover, the side of the reaction barrel is connected with a one-way exhaust pipe and a plurality of feeding pipes, the bottom of the reaction barrel is connected with an air inlet pipe, and a cooling water pipe and an electric heating wire are arranged in the inner wall of the reaction barrel. The device is provided with a stirring driving structure, and revolution and autorotation are simultaneously realized through a stirring shaft, so that reactants are efficiently stirred, the uniformity of the reactants is ensured, and the reaction rate is increased; the device is provided with the cooling water pipe and the electric heating wire, and the reaction temperature can be independently adjusted, so that the temperature of reactants is ensured, and rapid cooling can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of methyl methacrylate production, in particular to a high-efficiency methyl methacrylate synthesis reaction device. Background Art

[0002] Methyl methacrylate (MMA) is an important organic chemical raw material, widely used in the production of polymer materials such as organic glass, coatings, adhesives, and textile auxiliaries.

[0003] Traditional reaction equipment often has some problems. For example, due to poor mixing effect in the reactor, the contact between the reactants is insufficient, which affects the reaction rate and conversion rate. Utility Model Content

[0004] The purpose of the utility model is to provide a rationally designed and efficient methyl methacrylate synthesis reaction device in view of the defects and shortcomings of the prior art, which can solve the above-mentioned defects.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it includes a reaction barrel, a top cover is provided above the reaction barrel, a discharge pipe is connected to the bottom of the reaction barrel, a stirring drive structure is provided inside the top cover, a one-way exhaust pipe and several feed pipes are connected to the side of the reaction barrel, an air intake pipe is connected to the bottom of the reaction barrel, and a cooling water pipe and an electric heating wire are provided on the inner wall of the reaction barrel.

[0006] Preferably, the stirring drive structure includes a rotating shaft rotatably mounted in the top cover, the top of the top cover is connected to a fixed gear through a connecting ring, the rotating shaft movably passes through the fixed gear arrangement, the rotating shaft is connected to a rotating drive plate, the rotating drive plate is located below the fixed gear, and several rotating shafts are evenly arranged along the circumference of the rotating drive plate, the top of the rotating shaft is connected to a movable gear meshing with the fixed gear, the bottom end of the rotating shaft is connected to a driving gear, the bottom of the rotating drive plate is located on the side of the driving gear and is rotatably mounted with a driven gear, the driven gear is meshed with the driving gear, and the bottom surface of the driving gear is higher than the bottom surface of the driven gear, the bottom of the driven gear is connected to a horizontally arranged stirring rotating plate, and the bottom of the stirring rotating plate is connected to a stirring shaft for stirring, the bottom end of the top cover is rotatably mounted with a main sealing rotating disk, and several secondary sealing rotating disks corresponding to the driven gear are rotatably mounted in the main sealing rotating disk, the center of each secondary sealing rotating disk is opposite to the center of the driven gear above it, the stirring shaft is inserted into the secondary sealing rotating disk, and a sealing ring is provided at the connection between the stirring shaft and the secondary sealing rotating disk.

[0007] Preferably, the cooling water pipe and the heating wire are both spiral-shaped, and the cooling water pipe and the heating wire are staggered.

[0008] Preferably, both the feed pipe and the air intake pipe are provided with solenoid valves.

[0009] Preferably, the one-way exhaust pipe is connected to a quick connector.

[0010] Preferably, a plurality of stirring rods are connected to the stirring shaft.

[0011] After adopting the above structure, the beneficial effects of the utility model are:

[0012] 1. This device is equipped with a stirring drive structure, which realizes both revolution and rotation through the stirring shaft, thereby efficiently stirring the reactants, ensuring the uniformity of the reactants and improving the reaction rate.

[0013] 2. The device is equipped with cooling water pipes and heating wires, which can independently adjust the reaction temperature to ensure the temperature of the reactants and achieve rapid cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a left side view of the external structure of the utility model;

[0015] Figure 2 It is a right side view of the external structure of the utility model;

[0016] Figure 3 It is a cross-sectional view of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection method of the stirring drive structure in the utility model;

[0018] Figure 5 It is a schematic diagram of the structure of the top cover in the utility model when viewed from above.

[0019] Description of reference numerals:

[0020] 1. Reactor; 2. Air inlet pipe; 3. Feed pipe; 4. Solenoid valve; 5. One-way exhaust pipe; 6. Quick connector; 7. Cooling water pipe; 8. Top cover; 9. Connecting ring; 10. Fixed gear; 11. Rotating shaft; 12. Driving motor; 13. Driving gear set; 14. Rotating driving plate; 15. Movable gear; 16. Driving gear; 17. Driven gear; 18. Stirring rotating plate; 19. Stirring shaft; 20. Heating wire; 21. Primary sealing rotating disk; 22. Secondary sealing rotating disk. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See Figures 1-4 As shown, it includes a reaction barrel 1, a top cover 8 is provided on the top of the reaction barrel 1, a discharge pipe is connected to the bottom of the reaction barrel 1, a stirring drive structure is provided in the top cover 8, a one-way exhaust pipe 5 and several feed pipes 3 are connected to the side of the reaction barrel 1, an air inlet pipe 2 is connected to the bottom of the reaction barrel 1, and a cooling water pipe 7 and a heating wire 20 are provided in the inner wall of the reaction barrel 1.

[0023] See Figure 1-Figure 5 As shown, the stirring drive structure includes a rotating shaft 11 rotatably installed in the top cover 8, the top of the top cover 8 is connected to a fixed gear 10 through a connecting ring 9, the rotating shaft 11 is movable through the fixed gear 10, and a rotating drive plate 14 is connected to the rotating shaft 11. The rotating drive plate 14 is located below the fixed gear 10, and a number of rotating shafts are evenly arranged along the circumference of the rotating drive plate 14. The top of the rotating shaft is connected to a movable gear 15 meshing with the fixed gear 10, and the bottom of the rotating shaft is connected to a driving gear 16. The bottom of the rotating drive plate 14 is located on the side of the driving gear 16 and is rotatably installed with a driven gear 17. The driven gear 17 is connected to the driving gear 16 is meshed, and the bottom surface of the driving gear 16 is higher than the bottom surface of the driven gear 17. The bottom of the driven gear 17 is connected to a horizontally arranged stirring rotating plate 18, and the bottom of the stirring rotating plate 18 is connected to a stirring shaft 19 for stirring. A main sealing rotating disk 21 is rotatably installed at the bottom end of the top cover 8. A number of secondary sealing rotating disks 22 corresponding to the driven gear 17 are circumferentially installed in the main sealing rotating disk 21. The center of each secondary sealing rotating disk 22 is opposite to the center of the driven gear 17 above it. The stirring shaft 19 is inserted into the secondary sealing rotating disk 22 and a sealing ring is provided at the connection between the stirring shaft 19 and the secondary sealing rotating disk 22;

[0024] The cooling water pipe 7 and the heating wire 20 are both spiral-shaped, and the cooling water pipe 7 and the heating wire 20 are staggered;

[0025] Both the feed pipe 3 and the air intake pipe 2 are provided with a solenoid valve 4;

[0026] A quick connector 6 is connected to the one-way exhaust pipe 5;

[0027] The stirring shaft 19 is connected to a plurality of stirring rods.

[0028] The principle and use process of this utility model:

[0029] Place the device in place, connect several feed pipes 3 to the feed equipment of different reactants and close the discharge pipe, connect the one-way exhaust pipe 5 to the exhaust gas collection device, and connect both ends of the cooling water pipe 7 to the cooling water supply equipment to complete the installation;

[0030] When in use, the solenoid valve 4 is opened, the materials required for the reaction are added through the feed pipe 3, and the gas required for the reaction is added through the air inlet pipe 2, and the drive motor 12 can be started. The drive motor 12 drives the rotating shaft 11 and the rotating driving plate 14 to rotate through the driving gear set 13, so that the movable gear 15 revolves along the center of the rotating driving plate 14, and the fixed gear 10 is fixed at a fixed angle, so that the movable gear 15 rotates, and then drives the driving gear 16 and the driven gear 17 to rotate, thereby driving the stirring rotating plate 18 and the stirring shaft 19 to rotate along the center of the driven gear 17. The stirring shaft 19 drives the secondary sealing rotating disk 22 to rotate, and the main sealing rotating disk 21 rotates with the revolution of the movable gear 15 and the driving gear 16. The sealing ring prevents the reactants below from entering the upper structure; the stirring rod enhances the stirring intensity of the stirring shaft 19;

[0031] During use, the reaction barrel 1 can be heated by the heating wire 20 according to the actual temperature and the temperature requirements of the reaction to ensure that the heat requirements of the reaction are met. When the temperature is too high or the reaction is completed and needs to be cooled quickly, cooling water can be introduced into the cooling water pipe 7 to remove the heat from the reaction barrel 1 and the substances inside it, thereby achieving rapid cooling.

[0032] It should be understood that the above-described specific embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and do not constitute limitations of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the scope of protection of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and metes and bounds of the appended claims, or equivalents of such scope and metes and bounds.

Claims

1. An efficient methyl methacrylate synthesis reaction device, comprising a reaction barrel (1), characterized in that: A top cover (8) is provided above the reaction barrel (1), a discharge pipe is connected to the bottom of the reaction barrel (1), a stirring drive structure is provided inside the top cover (8), a one-way exhaust pipe (5) and several feed pipes (3) are connected to the side of the reaction barrel (1), an air inlet pipe (2) is connected to the bottom of the reaction barrel (1), and a cooling water pipe (7) and an electric heating wire (20) are provided in the inner wall of the reaction barrel (1).

2. An efficient methyl methacrylate synthesis reaction device according to claim 1, characterized in that: The stirring drive structure includes a rotating shaft (11) rotatably mounted in the top cover (8), the top of the top cover (8) is connected to a fixed gear (10) through a connecting ring (9), the rotating shaft (11) moves through the fixed gear (10), the rotating shaft (11) is connected to a rotating drive plate (14), the rotating drive plate (14) is located below the fixed gear (10), and the rotating drive plate (14) is evenly provided with a plurality of rotating shafts along the circumference, the top of the rotating shaft is connected to a movable gear (15) meshing with the fixed gear (10), the bottom of the rotating shaft is connected to a driving gear (16), the bottom of the rotating drive plate (14) is located on the side of the driving gear (16) and is rotatably mounted with a driven gear (17), the driven gear (17) and the driving gear (16) ) are meshed, and the bottom surface of the driving gear (16) is higher than the bottom surface of the driven gear (17). The bottom of the driven gear (17) is connected to a horizontally arranged stirring rotating plate (18), and the bottom of the stirring rotating plate (18) is connected to a stirring shaft (19) for stirring. A main sealing rotating disk (21) is rotatably installed at the bottom end of the top cover (8), and a plurality of secondary sealing rotating disks (22) corresponding to the driven gear (17) are rotatably installed in the main sealing rotating disk (21). The center of each secondary sealing rotating disk (22) is opposite to the center of the driven gear (17) above it. The stirring shaft (19) is inserted into the secondary sealing rotating disk (22), and a sealing ring is provided at the connection between the stirring shaft (19) and the secondary sealing rotating disk (22).

3. An efficient methyl methacrylate synthesis reaction device according to claim 2, characterized in that: The cooling water pipe (7) and the heating wire (20) are both spiral-shaped, and the cooling water pipe (7) and the heating wire (20) are staggered.

4. An efficient methyl methacrylate synthesis reaction device according to claim 3, characterized in that: The feed pipe (3) and the air intake pipe (2) are both provided with solenoid valves (4).

5. An efficient methyl methacrylate synthesis reaction device according to claim 4, characterized in that: The one-way exhaust pipe (5) is connected to a quick connector (6).

6. An efficient methyl methacrylate synthesis reaction device according to claim 5, characterized in that: A plurality of stirring rods are connected to the stirring shaft (19).

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