Acylation reaction kettle for producing methyl chloride

Abstract

The utility model discloses an acylation reaction kettle for producing methyl chloride, which comprises a kettle body, a feeding box fixedly mounted at the top of the kettle body, a feeding hopper fixedly mounted at the top of the feeding box, a discharging groove formed in the inner wall of the bottom of the kettle body, a discharging pipe fixedly mounted at the bottom of the discharging groove, and a discharging electromagnetic valve fixedly mounted on the discharging pipe. A stirring mechanism for stirring and scattering raw materials is arranged on the feeding box and comprises a mounting seat, a motor, a stirring shaft, a plurality of stirring rods and two scraping plates. The reaction kettle is reasonable in design, raw materials added into the feeding box are stirred and scattered, manual operation is replaced, time and labor are saved, the feeding speed and the reaction process of the raw materials are monitored through the transparent observation window and the transparent material level groove, the temperature in the kettle body can be monitored and controlled in real time, reactants are stirred, and the reaction efficiency is improved. The reaction speed of the raw materials is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of acylation reaction kettles, in particular to an acylation reaction kettle for producing methyl chloride. Background Art

[0002] Reactors are broadly understood as containers for physical or chemical reactions. Through the structural design and parameter configuration of the container, the heating, evaporation, cooling and low-speed mixing functions required by the process are realized. Reactors are widely used in petroleum, chemical, rubber, pesticide, dye, medicine, food, and are pressure vessels for completing processes such as vulcanization, nitration, hydrogenation, hydrocarbonization, polymerization, and condensation. Acylation reactors are generally used to introduce acyl groups into substrate molecules by combining substrates and acylation agents under certain conditions. However, most acylation reactors now have feeding ports that are easily blocked during use, and it is also inconvenient to observe the reaction of the raw materials.

[0003] In response to the above problem, a Chinese patent announcement with announcement number CN208320750U discloses an integrated feeding and observation mechanism for an acylation reactor, and its technical highlights are: comprising a feeding port, an observation port, a filter screen and a slot, one end of the feeding port is fixed to one side above the acylation reactor, the other end of the feeding port is fixed with a first mounting plate, one end of the observation port is provided with a top plate, battery slots are symmetrically arranged on the left and right sides of the outside of the observation port, and lighting lamps are installed in the lamp slots symmetrically arranged on the left and right sides of the inside, the top plate and the sight glass are connected to each other, the filter screen is installed on the first mounting plate, the slot is arranged on the left and right inner side walls of the first mounting plate, connecting blocks are fixed on the left and right sides below the filter screen, and connecting columns are arranged on the second mounting plate.

[0004] In actual operation, it is found that the above scheme still has at least the following defects: the device needs to disassemble the observation port each time the material is fed, and the raw materials need to be dispersed by manually turning the stirring rod, which is time-consuming and labor-intensive, and the feeding efficiency is low. Therefore, we propose an acylation reactor for the production of methyl chloride to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an acylation reaction kettle for the production of methyl chloride, which solves the problem that each time the material is fed, the observation port needs to be disassembled and assembled, and the raw materials need to be dispersed by manually rotating a stirring rod, which is time-consuming and labor-intensive, and the feeding efficiency is low.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an acylation reaction kettle for the production of methyl chloride, comprising a kettle body, a feeding box is fixedly installed on the top of the kettle body, a feeding hopper is fixedly installed on the top of the feeding box, a discharge trough is opened on the inner wall of the bottom of the kettle body, a discharge pipe is fixedly installed on the bottom of the discharge trough, a discharge solenoid valve is fixedly installed on the discharge pipe, and a stirring mechanism for stirring and breaking up the raw materials is arranged on the feeding box.

[0009] Preferably, the stirring mechanism includes a mounting seat, a motor, a stirring shaft, a plurality of stirring rods and two scraper plates. The mounting seat is fixedly mounted on the top of the feed box, the motor is fixedly mounted in the mounting seat, the stirring shaft is fixedly mounted on the output shaft end of the motor, the bottom end of the stirring shaft extends into the kettle body, the plurality of stirring rods are fixedly mounted on the stirring shaft and are evenly distributed, the two scraper plates are respectively fixedly mounted on one end of the plurality of stirring rods away from each other, and the two scraper plates are in sliding contact with the annular inner wall of the feed box.

[0010] Preferably, the stirring mechanism also includes multiple stirring blades, an L-shaped rod and a brush, the multiple stirring blades are fixedly mounted on the stirring shaft and located inside the kettle body, the L-shaped rod is fixedly mounted on the stirring shaft and located below the multiple stirring blades, and the brush is fixedly mounted on the L-shaped rod and in sliding contact with the inner wall of the kettle body.

[0011] Preferably, a liquid inlet pipe located on the left side of the feeding box is fixedly installed on the top of the kettle body, and a liquid inlet valve is fixedly installed on the liquid inlet pipe.

[0012] Preferably, a speed regulating plate is rotatably mounted on the inner wall of the bottom of the feeding box, and a plurality of feeding holes distributed in a circular array are provided on the speed regulating plate and the bottom of the feeding box. An adjustment hole is provided on the right side of the feeding box, and an adjustment rod is fixedly mounted on the right side of the speed regulating plate, and the adjustment rod is slidably mounted in the adjustment hole.

[0013] Preferably, a temperature sensor is fixedly mounted on the top inner wall of the kettle body, a temperature display screen is fixedly mounted on the front side of the kettle body, and an annular heating plate is fixedly mounted on the bottom of the kettle body.

[0014] Preferably, a heat-insulating cover is fixedly mounted on the outer wall of the kettle body.

[0015] Preferably, a transparent observation window is provided on the front side of the kettle body, and a transparent material level slot is provided on the front side of the feeding box.

[0016] (III) Beneficial effects

[0017] The utility model provides an acylation reaction kettle for the production of methyl chloride, which has the following beneficial effects:

[0018] (1) The acylation reaction kettle for the production of methyl chloride can stir and disperse the raw materials added to the feeding box by utilizing the combined action of a mounting base, a motor, a stirring shaft, a plurality of stirring rods and two scraper plates, thereby replacing manual operation, saving time and labor, and monitoring the feeding speed of the raw materials and the reaction progress through a transparent observation window and a transparent material level slot.

[0019] (2) The acylation reaction kettle for the production of methyl chloride can monitor and control the temperature in the kettle in real time and stir the reactants by utilizing the combined effect of a plurality of stirring blades, a temperature sensor, a temperature display screen, an annular heating plate and a heat preservation cover, thereby increasing the reaction speed of the raw materials.

[0020] (3) The acylation reaction kettle for the production of methyl chloride can adjust the feed rate by utilizing the combined effect of a speed regulating plate, a plurality of feed holes, an adjusting hole and an adjusting rod, thereby avoiding the sudden addition of a large amount of raw materials affecting the reaction of the raw materials and improving the stability of the raw material reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the main view of the utility model;

[0023] Figure 3 It is a cross-sectional schematic diagram of a feeding box viewed from above;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the stirring mechanism.

[0025] In the figure: 1. kettle body; 2. feeding box; 3. feeding hopper; 4. discharge trough; 5. discharge pipe; 6. discharge solenoid valve; 7. mounting seat; 8. motor; 9. stirring shaft; 10. stirring rod; 11. scraper plate; 12. stirring blade; 13. L-shaped rod; 14. brush; 15. liquid inlet pipe; 16. liquid inlet valve; 17. speed regulating plate; 18. discharge hole; 19. adjusting hole; 20. adjusting rod; 21. temperature sensor; 22. temperature display screen; 23. ring heating plate; 24. heat preservation cover; 25. transparent observation window; 26. transparent material level slot. DETAILED DESCRIPTION

[0026] 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 in 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.

[0027] like Figure 1-4 As shown, the utility model provides a technical solution: an acylation reaction kettle for the production of methyl chloride, comprising a kettle body 1, a transparent observation window 25 is provided on the front side of the kettle body 1, a transparent material level slot 26 is provided on the front side of a feeding box 2, a temperature sensor 21 is fixedly installed on the top inner wall of the kettle body 1, a temperature display screen 22 is fixedly installed on the front side of the kettle body 1, an annular heating plate 23 is fixedly installed on the bottom of the kettle body 1, a heat preservation cover 24 is fixedly installed on the outer wall of the kettle body 1, a feeding box 2 is fixedly installed on the top of the kettle body 1, a feeding hopper 3 is fixedly installed on the top of the feeding box 2, a cover plate is rotatably installed on the top of the feeding hopper 3, a discharge trough 4 is provided on the bottom inner wall of the kettle body 1, a discharge pipe 5 is fixedly installed on the bottom of the discharge trough 4, a discharge solenoid valve 6 is fixedly installed on the discharge pipe 5, and a stirring mechanism for stirring and breaking up the raw materials is provided on the feeding box 2.

[0028] In this embodiment, the stirring mechanism includes a mounting seat 7, a motor 8, a stirring shaft 9, a plurality of stirring rods 10 and two scraper plates 11. The mounting seat 7 is fixedly mounted on the top of the feeding box 2, the motor 8 is fixedly mounted in the mounting seat 7, the stirring shaft 9 is fixedly mounted on the output shaft end of the motor 8, and the bottom end of the stirring shaft 9 extends into the kettle body 1. The plurality of stirring rods 10 are fixedly mounted on the stirring shaft 9 and are evenly distributed. The plurality of stirring rods 10 can be used to break up the agglomerated raw materials while stirring the raw materials. The two scraper plates 11 are respectively fixedly mounted on one end of the plurality of stirring rods 10 away from each other, and the two scraper plates 11 are both connected to the feeding box 2. The annular inner wall of the feed box 2 is in sliding contact. By utilizing two scraper plates 11, the feeding rate of the raw materials can be improved to prevent the raw materials from adhering to the inner wall of the feed box 2. The stirring mechanism also includes a plurality of stirring blades 12, an L-shaped rod 13 and a brush 14. The plurality of stirring blades 12 are fixedly mounted on the stirring shaft 9 and are located in the kettle body 1. The L-shaped rod 13 is fixedly mounted on the stirring shaft 9 and is located below the plurality of stirring blades 12. The brush 14 is fixedly mounted on the L-shaped rod 13 and is in sliding contact with the inner wall of the kettle body 1. By utilizing the brush 14, the inner wall of the kettle body 1 can be scrubbed when cleaning the reactor, thereby reducing the difficulty of cleaning and improving the cleaning efficiency.

[0029] In this embodiment, a speed regulating plate 17 is rotatably installed on the inner wall of the bottom of the above-mentioned feeding box 2, and a plurality of feeding holes 18 distributed in a circular array are provided on the bottom of the speed regulating plate 17 and the feeding box 2. An adjusting hole 19 is provided on the right side of the feeding box 2, and an adjusting rod 20 is fixedly installed on the right side of the speed regulating plate 17, and the adjusting rod 20 is slidably installed in the adjusting hole 19. Through the above-mentioned arrangement, the feeding speed of the raw materials can be adjusted by controlling the overlapping area of ​​the feeding holes 18. A liquid inlet pipe 15 located on the left side of the feeding box 2 is fixedly installed on the top of the kettle body 1, and a liquid inlet valve 16 is fixedly installed on the liquid inlet pipe 15. By utilizing the liquid inlet pipe 15 and the liquid inlet valve 16, liquid raw materials can be conveniently added to the kettle body 1.

[0030] In this embodiment, it should be noted that a control switch is provided at a suitable position on the kettle body 1 or beside the kettle body 1, and the discharge solenoid valve 6, the motor 8, the temperature sensor 21, the temperature display screen 22, the annular heating plate 23 and the control switch are electrically connected through a wire, and the control switch can be used to control the discharge solenoid valve 6, the motor 8, the temperature sensor 21, the temperature display screen 22 and the annular heating plate 23 to power on and operate respectively.

[0031] Through the above structure, the acylation reaction kettle for methyl chloride production provided by the utility model can stir and break up the raw materials added to the feeding box 2, replacing manual operation, saving time and labor, and monitoring the feeding speed and reaction progress of the raw materials through the transparent observation window 25 and the transparent material level slot 26, and can also monitor and control the temperature in the kettle body 1 in real time, and stir the reactants, thereby increasing the reaction speed of the raw materials. When used specifically, add an appropriate amount of raw materials to the feed hopper 3 and cover it with a cover plate, control the motor 8 to run, the motor 8 drives the stirring shaft 9 to rotate, and the stirring shaft 9 drives multiple stirring rods 10 to rotate, thereby stirring and breaking up the raw materials in the feeding box 2 to avoid raw material agglomeration, and the rotating scraper plate 11 continuously scrapes the feeding box 2. The inner wall of the kettle body 1 is cleaned to prevent the raw materials from adhering, the adjusting rod 20 is controlled to rotate, the overlapping area of ​​the feeding hole 18 is adjusted, the feeding speed of the raw materials is adjusted, the temperature in the kettle body 1 is monitored by the temperature display screen 22, the annular heating plate 23 is controlled to operate, the raw materials in the kettle body 1 are heated, the molecular movement is promoted, and the reaction rate is increased. When it is found through the transparent material level slot 26 that there is not much raw material in the feeding box 2, the material is replenished in time. After the reaction is completed and cooled, the discharge solenoid valve 6 is opened to discharge the reaction product from the kettle body 1, the liquid inlet valve 16 is opened to add clean water into the kettle body 1, the motor 8 is controlled to run, and the inner wall of the kettle body 1 is scrubbed with the L-shaped rod 13 and the brush 14 to reduce the cleaning difficulty and improve the cleaning efficiency. Finally, the discharge solenoid valve 6 is opened to discharge the sewage for collection and treatment.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope recorded in the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An acylation reaction kettle for the production of methyl chloride, characterized in that: The invention comprises a kettle body (1), a feeding box (2) is fixedly mounted on the top of the kettle body (1), a feeding hopper (3) is fixedly mounted on the top of the feeding box (2), a discharge trough (4) is provided on the inner wall of the bottom of the kettle body (1), a discharge pipe (5) is fixedly mounted on the bottom of the discharge trough (4), a discharge solenoid valve (6) is fixedly mounted on the discharge pipe (5), a stirring mechanism for stirring and breaking up raw materials is provided on the feeding box (2), a speed regulating plate (17) is rotatably mounted on the inner wall of the bottom of the feeding box (2), a plurality of feeding holes (18) distributed in a circular array are both provided on the bottom of the speed regulating plate (17) and the feeding box (2), an adjusting hole (19) is provided on the right side of the feeding box (2), an adjusting rod (20) is fixedly mounted on the right side of the speed regulating plate (17), and the adjusting rod (20) is slidably mounted in the adjusting hole (19).

2. The acylation reaction kettle for producing methyl chloride according to claim 1, characterized in that: The stirring mechanism comprises a mounting seat (7), a motor (8), a stirring shaft (9), a plurality of stirring rods (10) and two scraper plates (11); the mounting seat (7) is fixedly mounted on the top of the feeding box (2); the motor (8) is fixedly mounted in the mounting seat (7); the stirring shaft (9) is fixedly mounted on the output shaft end of the motor (8); the bottom end of the stirring shaft (9) extends into the kettle body (1); the plurality of stirring rods (10) are fixedly mounted on the stirring shaft (9) and are evenly distributed; the two scraper plates (11) are respectively fixedly mounted on one end of the plurality of stirring rods (10) that is away from each other; and the two scraper plates (11) are in sliding contact with the annular inner wall of the feeding box (2).

3. An acylation reaction kettle for the production of methyl chloride according to claim 2, characterized in that: The stirring mechanism further comprises a plurality of stirring blades (12), an L-shaped rod (13) and a brush (14); the plurality of stirring blades (12) are fixedly mounted on the stirring shaft (9) and are located in the kettle body (1); the L-shaped rod (13) is fixedly mounted on the stirring shaft (9) and is located below the plurality of stirring blades (12); and the brush (14) is fixedly mounted on the L-shaped rod (13) and is in sliding contact with the inner wall of the kettle body (1).

4. The acylation reaction kettle for producing methyl chloride according to claim 1, characterized in that: A liquid inlet pipe (15) located on the left side of the feeding box (2) is fixedly installed on the top of the kettle body (1), and a liquid inlet valve (16) is fixedly installed on the liquid inlet pipe (15).

5. The acylation reaction kettle for producing methyl chloride according to claim 1, characterized in that: A temperature sensor (21) is fixedly mounted on the top inner wall of the kettle body (1), a temperature display screen (22) is fixedly mounted on the front side of the kettle body (1), and an annular heating plate (23) is fixedly mounted on the bottom of the kettle body (1).

6. The acylation reaction kettle for producing methyl chloride according to claim 1, characterized in that: A heat-insulating cover (24) is fixedly mounted on the outer wall of the kettle body (1).

7. The acylation reaction kettle for producing methyl chloride according to claim 1, characterized in that: A transparent observation window (25) is provided on the front side of the kettle body (1), and a transparent material level slot (26) is provided on the front side of the feeding box (2).

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