Reaction device for resin production and processing

Abstract

The utility model relates to the technical field of resin production, and discloses a reaction device for resin production and processing. Comprising a base and further comprises a polymerization kettle body arranged at the top of the base, a feeding pipe is arranged on the outer side of the polymerization kettle body, a sealing cover is arranged at one end of the feeding pipe, and a vacuumizing pump for vacuumizing the interior of the polymerization kettle body is arranged at the top of the base. According to the utility model, resource waste caused by various reasons is strictly controlled by using steam and electric power, the energy consumption of the steam and the electric power is reduced, a good energy-saving effect is achieved, mixtures at the bottom and the periphery can be stirred through rotation of the stirring rod and the stirring roller, the stirring effect is improved, and the steam connecting pipe and the heating rod are matched for use, so that the stirring efficiency is improved. The interior of the polymerization kettle body can be heated, and the emulsion in the cleaning kettle is cleaned through the water outlet cover and the spray head.

Description

Technical Field

[0001] The utility model relates to the technical field of resin production, in particular to a reaction device for resin production and processing. Background Technique

[0002] Polyvinylidene fluoride (abbreviated as PVDF) resin mainly refers to a homopolymer of vinylidene fluoride or a copolymer of vinylidene fluoride and other small amounts of fluorinated vinyl monomers. It combines the characteristics of fluororesin and general resin. In addition to having good chemical corrosion resistance, high temperature resistance, oxidation resistance, weather resistance, and radiation resistance, it also has special properties such as piezoelectricity, dielectricity, and pyroelectricity.

[0003] During the use of the existing resin production reaction device, the mixture is usually stirred by a stirring rod. The stirring range is relatively single, and it is impossible to stir and mix the bottom and periphery of the mixture, resulting in mixing dead corners, which affects the production quality of polyvinylidene fluoride resin. Moreover, the existing technology will cause resource waste due to various reasons, resulting in steam and electricity energy consumption.

[0004] Therefore, it is necessary to provide a new reaction device for resin production and processing to solve the above technical problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a reaction device for resin production and processing to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A reaction device for resin production and processing, including a base, and further including:

[0007] A polymerization kettle body arranged on the top of the base. An inlet pipe is arranged on the outer side of the polymerization kettle body. One end of the inlet pipe is provided with a sealing cover. A vacuum pump for evacuating the inside of the polymerization kettle body is arranged on the top of the base. The intake end of the vacuum pump is communicated with the outer side of the polymerization kettle body through a pipeline. A nitrogen pipe is arranged on the outer side of the polymerization kettle body;

[0008] A driving cover arranged on the top of the polymerization kettle body. A motor is fixedly connected to the top of the inner cavity of the driving cover. The output end of the motor is fixedly connected to a driving rod. A transmission mechanism is arranged on the outer side of the driving rod. A plurality of groups of stirring blades are fixedly connected to the outer side of the driving rod. A steam connection pipe is arranged on the outer side of the polymerization kettle body. An air pump is arranged on the top of the polymerization kettle body. The air outlet end of the air pump is provided with a heating cover. A heating rod for heating the inside of the polymerization kettle body is arranged inside the heating cover. A compressor is arranged on the top of the base.

[0009] Preferably, the transmission mechanism includes a driving wheel fixed to the outside of the driving rod, and a driven wheel is meshed and connected to the outside of the driving wheel.

[0010] Preferably, a stirring roller is fixedly connected to the bottom of the driving rod, a supporting block is fixedly connected to the bottom of the driven wheel, and two groups of stirring rods are fixedly connected to the bottom of the supporting block.

[0011] Preferably, an air outlet pipe is arranged at one end of the heating cover, and a plurality of air outlet covers are arranged on the outside of the air outlet pipe.

[0012] Preferably, a material pumping pump is communicated with the outside of the polymerization kettle body through a pipeline, one end of the material pumping pump is communicated with a cleaning kettle through a pipeline, and a discharge pipe is arranged on the outside of the cleaning kettle.

[0013] Preferably, a water tank is arranged at the top of the cleaning kettle, two groups of water pumps are communicated with the outside of the water tank through pipelines, the water outlet ends of the water pumps are communicated with a water outlet cover through pipelines, a plurality of water outlet pipes are arranged at the bottom of the water outlet cover, and spray heads are arranged at the bottom of the water outlet pipes.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] In the present utility model, the energy types used are steam and electricity. It strictly controls the waste of resources caused by various reasons, reduces the steam and electricity energy consumption, and has good energy-saving effects. Through the rotation of the stirring blades, the mixture can be initially stirred. The driving rod drives the driving wheel and the driven wheel to rotate, so that the stirring rods and the stirring roller rotate, and the mixture at the bottom and the periphery can be stirred, improving the stirring effect. Through the combined use of the steam connecting pipe and the heating rod, the inside of the polymerization kettle body can be heated up. The emulsion inside the cleaning kettle is cleaned by the water outlet cover and the spray heads. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a preferred embodiment of a reaction device for resin production and processing provided by the present utility model;

[0017] Figure 2 is a schematic structural diagram of the outside of the polymerization kettle body in the present utility model;

[0018] Figure 3 is a schematic structural diagram of the inside of the polymerization kettle body in the present utility model;

[0019] Figure 4 is a schematic structural diagram of the cleaning kettle in the present utility model.

[0020] In the figure: 1. Base; 2. Polymerization kettle body; 3. Feed pipe; 4. Sealing cover; 5. Vacuum pump; 6. Drive cover; 7. Motor; 8. Transmission mechanism; 81. Driving wheel; 82. Driven wheel; 9. Driving rod; 10. Stirring blade; 11. Steam connection pipe; 12. Air pump; 13. Heating cover; 14. Heating rod; 15. Compressor; 16. Stirring roller; 17. Support block; 18. Stirring rod; 19. Air outlet pipe; 20. Air outlet hood; 21. Material pumping pump; 22. Cleaning kettle; 23. Water tank; 24. Water pump; 25. Water outlet hood; 26. Water outlet pipe; 27. Sprinkler head; 28. Discharge pipe; 29. Nitrogen pipe. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 As shown, a reaction device for resin production and processing includes a base 1. A polymerization kettle body 2 is arranged on the top of the base 1. A feed pipe 3 is arranged outside the polymerization kettle body 2. Dispersant, telogen, emulsifier and initiator can be added into the polymerization kettle body 2 through the feed pipe 3. A sealing cover 4 is arranged at one end of the feed pipe 3. A vacuum pump 5 is arranged on the top of the base 1. The air inlet end of the vacuum pump 5 is communicated with the outside of the polymerization kettle body 2 through a pipeline. The inside of the polymerization kettle body 2 can be evacuated through the vacuum pump 5. A drive cover 6 is arranged on the top of the polymerization kettle body 2. A motor 7 is fixedly connected to the top of the inner cavity of the drive cover 6. The output end of the motor 7 is fixedly connected to a drive rod 9. A transmission mechanism 8 is arranged outside the drive rod 9. Multiple groups of stirring blades 10 are fixedly connected to the outside of the drive rod 9. Starting the motor 7 drives the drive rod 9 to rotate, and the drive rod 9 drives the stirring blades 10 to rotate, so as to stir the mixture. A steam connection pipe 11 is arranged outside the polymerization kettle body 2. Hot steam can enter the polymerization kettle body 2 through the steam connection pipe 11. An air pump 12 is arranged on the top of the polymerization kettle body 2. The air outlet end of the air pump 12 is provided with a heating cover 13. A heating rod 14 for heating the inside of the polymerization kettle body 2 is arranged inside the heating cover 13. By using the steam connection pipe 11 and the heating rod 14 in cooperation, the inside of the polymerization kettle body 2 can be heated up. A compressor 15 is arranged on the top of the base 1. The vinylidene fluoride can be compressed by the compressor 15 and then discharged into the polymerization kettle body 2. A nitrogen pipe 29 is arranged outside the polymerization kettle body 2.

[0023] Refer to Figure 3As shown, the transmission mechanism 8 includes a driving wheel 81 fixed to the outside of the driving rod 9. A driven wheel 82 is meshed and connected to the outside of the driving wheel 81. A stirring roller 16 is fixedly connected to the bottom of the driving rod 9. A support block 17 is fixedly connected to the bottom of the driven wheel 82. Two groups of stirring rods 18 are fixedly connected to the bottom of the support block 17. Starting the motor 7 drives the driving rod 9 to rotate. The driving rod 9 drives the stirring blade 10 to rotate, and the mixture can be preliminarily stirred. The driving rod 9 drives the driving wheel 81 and the driven wheel 82 to rotate, so that the stirring rods 18 and the stirring roller 16 rotate, and the mixture at the bottom and the periphery can be stirred, improving the stirring effect. One end of the heating cover 13 is provided with an air outlet pipe 19. Multiple groups of air outlet covers 20 are arranged on the outside of the air outlet pipe 19. The air outlet covers 20 are communicated with the polymerization kettle body 2. Starting the heating rod 14 starts heating. Starting the air pump 12 blows air into the heating cover 13. The air flow is heated by the heating rod 14 and the hot air is blown into the polymerization kettle body 2 through the air outlet pipe 19 and the air outlet covers 20. Used in cooperation with the steam connecting pipe 11, the temperature inside the polymerization kettle body 2 can be increased.

[0024] Reference Figure 1 and Figure 4 As shown, a feeding pump 21 is connected to the outside of the polymerization kettle body 2 through a pipeline. One end of the feeding pump 21 is connected to a cleaning kettle 22 through a pipeline. The emulsion generated by the reaction inside the polymerization kettle body 2 can be pumped into the cleaning kettle 22 through the feeding pump 21. An outlet pipe 28 is arranged on the outside of the cleaning kettle 22. A water tank 23 is arranged on the top of the cleaning kettle 22. An inlet is arranged on the top of the water tank 23. Two groups of water pumps 24 are connected to the outside of the water tank 23 through pipelines. The water outlet ends of the water pumps 24 are connected to a water outlet cover 25 through pipelines. Multiple groups of water outlet pipes 26 are arranged at the bottom of the water outlet cover 25. Nozzles 27 are arranged at the bottom of the water outlet pipes 26. Starting the water pumps 24 pumps out the pure water inside the water tank 23, and the emulsion inside the cleaning kettle 22 is cleaned through the water outlet cover 25 and the nozzles 27. Valves are arranged on the outside of the steam connecting pipe 11, the nitrogen pipe 29, and the outlet pipe 28.

[0025] Working principle: When this device is in use, high-purity water, dispersant, telogen, emulsifier, and initiator can be added into the interior of the polymerization kettle body 2 through the feed pipe 3. The vacuum pump 5 is turned on to evacuate the interior of the polymerization kettle body 2. The valve of the nitrogen gas pipe 29 is opened, and nitrogen gas is filled into the kettle until the pressure reaches 0.05 MP. Then, vinylidene fluoride (VDF) is added and the oxygen content is tested. The vinylidene fluoride can be compressed by the compressor 15 and then discharged into the interior of the polymerization kettle body 2. After the oxygen content ≤ 30 ppm, the stirring of the polymerization kettle body 2 is started. The motor 7 is started to drive the driving rod 9 to rotate. The driving rod 9 drives the stirring blade 10 to rotate, and the mixture can be preliminarily stirred. The driving rod 9 drives the driving wheel 81 and the driven wheel 82 to rotate, so that the stirring rod 18 and the stirring roller 16 rotate, and the mixture at the bottom and the periphery can be stirred, improving the stirring effect. Then, the heating rod 14 is started to heat, and the air pump 12 is started to blow air into the heating cover 13. The air flow is heated by the heating rod 14, and the hot air is blown into the interior of the polymerization kettle body 2 through the air outlet pipe 19 and the air outlet cover 20. Used in conjunction with the steam connection pipe 11, the interior of the polymerization kettle body 2 can be heated up, the temperature and pressure of the polymerization kettle body 2 are controlled, and the reaction starts. After the vinylidene fluoride reaches the specified value, the feeding of the vinylidene fluoride monomer is stopped. The emulsion generated inside the polymerization kettle body 2 can be pumped into the cleaning kettle 22 through the pumping pump 21. The water pump 24 is started to pump out the pure water inside the water tank 23, and the emulsion inside the cleaning kettle 22 is cleaned through the water outlet cover 25 and the spray head 27. After washing with pure water, filtration is carried out, and then through flash drying, the obtained product is the polyvinylidene fluoride resin by emulsion method.

[0026] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reaction device for resin production and processing, including a base (1), characterized in that, It further includes: A polymerization kettle body (2) arranged on the top of the base (1). A feed pipe (3) is arranged on the outer side of the polymerization kettle body (2). One end of the feed pipe (3) is provided with a sealing cover (4). A vacuum pump (5) for evacuating the inside of the polymerization kettle body (2) is arranged on the top of the base (1). The air inlet end of the vacuum pump (5) is communicated with the outer side of the polymerization kettle body (2) through a pipeline. A nitrogen gas pipe (29) is arranged on the outer side of the polymerization kettle body (2); A driving cover (6) arranged on the top of the polymerization kettle body (2). A motor (7) is fixedly connected to the top of the inner cavity of the driving cover (6). The output end of the motor (7) is fixedly connected to a driving rod (9). A transmission mechanism (8) is arranged on the outer side of the driving rod (9). A plurality of groups of stirring blades (10) are fixedly connected to the outer side of the driving rod (9). A steam connection pipe (11) is arranged on the outer side of the polymerization kettle body (2). An air pump (12) is arranged on the top of the polymerization kettle body (2). The air outlet end of the air pump (12) is provided with a heating cover (13). A heating rod (14) for heating the inside of the polymerization kettle body (2) is arranged inside the heating cover (13). A compressor (15) is arranged on the top of the base (1).

2. The reaction device for resin production and processing according to claim 1, wherein: The transmission mechanism (8) includes a driving wheel (81) fixed to the outer side of the driving rod (9), and a driven wheel (82) is meshed and connected to the outer side of the driving wheel (81).

3. A reaction device for resin production and processing according to claim 2, characterized in that: The bottom of the driving rod (9) is fixedly connected to a stirring roller (16). The bottom of the driven wheel (82) is fixedly connected to a support block (17). Two groups of stirring rods (18) are fixedly connected to the bottom of the support block (17).

4. A reaction device for resin production and processing according to claim 1, characterized in that: One end of the heating cover (13) is provided with an air outlet pipe (19), and a plurality of groups of air outlet covers (20) are arranged on the outer side of the air outlet pipe (19).

5. The reaction device for resin production and processing according to claim 1, characterized in that: The outer side of the polymerization kettle body (2) is communicated with a material pumping pump (21) through a pipeline. One end of the material pumping pump (21) is communicated with a cleaning kettle (22) through a pipeline. An outlet pipe (28) is arranged on the outer side of the cleaning kettle (22).

6. The reaction device for resin production and processing according to claim 5, characterized in that: A water tank (23) is arranged on the top of the cleaning kettle (22). Two groups of water pumps (24) are communicated with the outer side of the water tank (23) through pipelines. The water outlet ends of the water pumps (24) are communicated with a water outlet cover (25) through pipelines. A plurality of groups of water outlet pipes (26) are arranged at the bottom of the water outlet cover (25). Spray heads (27) are arranged at the bottom of the water outlet pipes (26).

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