2, 4-dinitrochlorobenzene purification device

Abstract

The utility model relates to the technical field of chemical equipment, and provides a 2, 4-dinitrochlorobenzene purification device which comprises a mixing kettle, an inner container is arranged in the mixing kettle, a connecting cover is fixedly mounted at the upper end of the inner container, a connecting column is fixedly connected to the center of the upper surface of the connecting cover, a first bevel gear is fixedly mounted at the upper end of the connecting column, and a second bevel gear is fixedly mounted at the lower end of the connecting column. A second bevel gear is arranged on one side of the first bevel gear, and the center of the second bevel gear is fixedly connected with one end of a rotating column. The driving motor is used for driving the second bevel gear and the first bevel gear to rotate, so that the first bevel gear drives the connecting cover and the inner container to rotate, raw materials in the inner container are mixed, and meanwhile, the effect of a closed space formed among the mixing kettle, the inner container and the connecting cover is also utilized; and heat dissipation liquid is added into the closed space through the arranged liquid inlet pipe, so that a large amount of heat can be released in the raw material mixing reaction process, and the production safety and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, and specifically to a 2,4-dinitrochlorobenzene purification device. Background Art

[0002] 2,4-Dinitrochlorobenzene is an important organic chemical raw material, widely used in dyes, pharmaceuticals, pesticides, and other fields. The raw materials for the production of 2,4-Dinitrochlorobenzene mainly include benzene, nitric acid, ferrous chloride, and sulfuric acid. The dinitrification reaction involves a dinitrification nitric acid pump, concentrated sulfuric acid, and concentrated acid pump simultaneously metering the dinitrification mixed acid into a dinitrification mixed acid mixer at a specific flow rate.

[0003] The patent specification with the announcement number CN214810691U discloses a feeding device for the preparation of dinitrochlorobenzene, comprising a reactor, wherein the upper ends of both sides of the reactor are provided with a feed pipe, the upper ends of the feed pipes are provided with a measuring cylinder, the upper ends of the measuring cylinder are provided with a sealing cover, and the lower end of the reactor is provided with a mounting bracket. Beneficial effects: The utility model measures the reaction raw materials through the measuring cylinder, and the reaction raw materials are introduced into the reactor for stirring reaction through the design of the feed pipe. The design of the conduit 2 in the middle of the sealing cover facilitates the entry of the reaction materials into the measuring cylinder, and makes it safer to add materials completely sealed during the operation of the device, and avoids splashing of raw materials that may cause injuries to workers. The design of the telescopic device cooperates with the scraper to clean the residual materials on the inner wall of the measuring cylinder to prevent large errors in the proportion of the reaction materials due to the residue on the tank wall. The design of the mounting bracket facilitates the installation of the equipment and improves the stability of the device.

[0004] Although the above technical solution uses the design of the telescopic device in conjunction with the scraper to clean the material remaining on the inner wall of the measuring cylinder to prevent large errors in the proportion of the reaction materials due to the residue on the tank wall, a large amount of heat will be released during the mixing reaction of the raw materials in actual operation, and it needs to be dissipated in time. Utility Model Content

[0005] The utility model provides a 2,4-dinitrochlorobenzene purification device, which solves the problem in the related art that a large amount of heat is released during the raw material mixing reaction and the heat dissipation treatment needs to be carried out in time.

[0006] The technical solution of the utility model is as follows: a ,-dinitrochlorobenzene purification device, comprising: a mixing kettle, an inner liner is provided inside the mixing kettle, a connecting cover is fixedly installed on the upper end of the inner liner, a connecting column is fixedly connected to the center of the upper surface of the connecting cover, a first bevel gear is fixedly installed on the upper end of the connecting column, a second bevel gear is provided on one side of the first bevel gear, one end of a rotating column is fixedly connected to the center of the second bevel gear, the other end of the rotating column is fixedly connected to the output end of a driving motor, a liquid inlet pipe is fixedly connected to the upper side of the outer surface of the mixing kettle, and a liquid discharge pipe is fixedly connected to the bottom end of the mixing kettle.

[0007] Preferably, the connecting cover is rotatably connected to the upper end of the mixing kettle, and a closed space is formed between the mixing kettle, the inner container and the connecting cover.

[0008] Preferably, the first bevel gear is meshed with the second bevel gear, the lower surface of the drive motor is fixedly connected to a support seat, and the lower end of the support seat is fixedly connected to the upper surface of the mixing kettle.

[0009] Preferably, the liquid inlet pipe is connected to the mixing kettle, the liquid discharge pipe is connected to the mixing kettle, and a liquid discharge valve is provided on the outer surface of the liquid discharge pipe.

[0010] Preferably, a feed pipe is fixedly connected to one side of the upper surface of the connecting cover, a sealing cover is provided at the upper end of the feed pipe, and the lower end of the feed pipe passes through the connecting cover and is connected to the inner container.

[0011] Preferably, a connecting hole is provided at the bottom end of the inner container, a discharge pipe is provided inside the connecting hole, and a discharge valve is provided on the outer surface of the discharge pipe.

[0012] Preferably, the lower end of the discharge pipe extends to the bottom of the mixing kettle, and the discharge pipe is rotatably connected to the mixing kettle, and the upper end of the discharge pipe is communicated with the inner container.

[0013] Preferably, pillars are fixedly connected to both sides of the outer surface of the mixing kettle, and the lower ends of the pillars are fixedly connected to a supporting platform.

[0014] The working principle and beneficial effects of the utility model are as follows:

[0015] In the utility model, a driving motor is provided to drive the second bevel gear and the first bevel gear to rotate, so that the first bevel gear drives the connecting cover and the inner container to rotate, thereby completing the mixing process of the raw materials inside the inner container. At the same time, the effect of the enclosed space formed between the mixing kettle, the inner container and the connecting cover is also utilized. Heat dissipation liquid is added into the enclosed space through the provided liquid inlet pipe, thereby neutralizing a large amount of heat released during the raw material mixing reaction, thereby improving production safety and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a top view of the utility model;

[0019] Figure 3 It is a cross-sectional view of the utility model;

[0020] Figure 4 A schematic diagram of the inner container component of the present invention;

[0021] In the figure: 1. Mixing kettle; 2. Inner container; 3. Connecting cover; 4. Connecting column; 5. First bevel gear; 6. Second bevel gear; 7. Rotating column; 8. Driving motor; 9. Support seat; 10. Liquid inlet pipe; 11. Liquid discharge pipe; 12. Liquid discharge valve; 13. Feed pipe; 14. Sealing cover; 15. Discharge pipe; 16. Discharge valve; 17. Pillar; 18. Support platform; 19. Connecting hole. DETAILED DESCRIPTION

[0022] The following will be combined with 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. Example 1

[0023] like Figures 1 to 4 As shown, this embodiment proposes a 2,4-dinitrochlorobenzene purification device, comprising: a mixing kettle 1, an inner liner 2 is provided inside the mixing kettle 1, a connecting cover 3 is fixedly installed on the upper end of the inner liner 2, a connecting column 4 is fixedly connected to the center of the upper surface of the connecting cover 3, a first bevel gear 5 is fixedly installed on the upper end of the connecting column 4, a second bevel gear 6 is provided on one side of the first bevel gear 5, one end of a rotating column 7 is fixedly connected to the center of the second bevel gear 6, and the other end of the rotating column 7 is fixedly connected to the output end of a drive motor 8, a liquid inlet pipe 10 is fixedly connected to the upper side of the outer surface of the mixing kettle 1, and a liquid discharge pipe 11 is fixedly connected to the bottom end of the mixing kettle 1. The connecting cover 3 is rotatably connected to the upper end of the mixing kettle 1, and a closed space is formed between the mixing kettle 1, the inner liner 2, and the connecting cover 3. The first bevel gear 5 is meshed with the second bevel gear 6, and a support base 9 is fixedly connected to the lower surface of the drive motor 8, and the lower end of the support base 9 is fixedly connected to the upper surface of the mixing kettle 1.

[0024] In this embodiment, the driving motor 8 is provided to drive the rotating column 7 to rotate, so that the rotating column 7 drives the second bevel gear 6 to rotate, so that the second bevel gear 6 drives the first bevel gear 5 and the connecting column 4 to rotate, so that the connecting column 4 drives the connecting cover 3 and the inner tank 2 to rotate inside the mixing kettle 1, thereby completing the mixing process of the raw materials inside the inner tank 2, and adding heat dissipation liquid into the enclosed space through the provided liquid inlet pipe 10, so as to neutralize the large amount of heat released during the raw material mixing reaction, thereby improving the safety and efficiency of production, and finally, the provided drain pipe 11 facilitates the discharge and recovery of the used heat dissipation liquid. Example 2

[0025] like Figures 2 to 4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that the liquid inlet pipe 10 is connected to the mixing kettle 1, the liquid discharge pipe 11 is connected to the mixing kettle 1, and the outer surface of the liquid discharge pipe 11 is provided with a liquid discharge valve 12. A feed pipe 13 is fixedly connected to one side of the upper surface of the connecting cover 3, and a sealing cover 14 is provided at the upper end of the feed pipe 13. The lower end of the feed pipe 13 passes through the connecting cover 3 and is connected to the inner pot 2. A connecting hole 19 is provided at the bottom end of the inner pot 2, and a discharge pipe 15 is provided inside the connecting hole 19. A discharge valve 16 is provided on the outer surface of the discharge pipe 15. The lower end of the discharge pipe 15 extends to the bottom of the mixing kettle 1, and the discharge pipe 15 is rotatably connected to the mixing kettle 1, and the upper end of the discharge pipe 15 is connected to the inner pot 2. Pillars 17 are fixedly connected to both sides of the outer surface of the mixing kettle 1, and the lower end of the pillars 17 is fixedly connected to a support platform 18.

[0026] In this embodiment, a feed pipe 13 is provided to facilitate the addition of various raw materials into the inner container 2. A discharge valve 16 is provided to facilitate the control of the discharge pipe 15 to discharge and collect the mixed raw materials in the inner container 2. The coordination of the support pillars 17 and the support platform 18 improves the stability of the device.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A 2,4-dinitrochlorobenzene purification device, comprising: A mixing kettle (1) is characterized in that an inner liner (2) is provided inside the mixing kettle (1), a connecting cover (3) is fixedly installed on the upper end of the inner liner (2), a connecting column (4) is fixedly connected to the center of the upper surface of the connecting cover (3), a first bevel gear (5) is fixedly installed on the upper end of the connecting column (4), a second bevel gear (6) is provided on one side of the first bevel gear (5), one end of a rotating column (7) is fixedly connected to the center of the second bevel gear (6), the other end of the rotating column (7) is fixedly connected to the output end of a driving motor (8), a liquid inlet pipe (10) is fixedly connected to the upper side of the outer surface of the mixing kettle (1), and a liquid discharge pipe (11) is fixedly connected to the bottom end of the mixing kettle (1).

2. A 2,4-dinitrochlorobenzene purification device according to claim 1, characterized in that, The connecting cover (3) is rotatably connected to the upper end of the mixing kettle (1), and a closed space is formed between the mixing kettle (1), the inner container (2) and the connecting cover (3).

3. A 2,4-dinitrochlorobenzene purification device according to claim 1, characterized in that, The first helical gear (5) is meshedly connected to the second helical gear (6); the lower surface of the drive motor (8) is fixedly connected to a support base (9); and the lower end of the support base (9) is fixedly connected to the upper surface of the mixing kettle (1).

4. A 2,4-dinitrochlorobenzene purification device according to claim 1, characterized in that, The liquid inlet pipe (10) is connected to the mixing kettle (1), the liquid discharge pipe (11) is connected to the mixing kettle (1), and a liquid discharge valve (12) is provided on the outer surface of the liquid discharge pipe (11).

5. A 2,4-dinitrochlorobenzene purification device according to claim 1, characterized in that, A feed pipe (13) is fixedly connected to one side of the upper surface of the connecting cover (3), a sealing cover (14) is provided at the upper end of the feed pipe (13), and the lower end of the feed pipe (13) passes through the connecting cover (3) and is connected to the inner container (2).

6. A 2,4-dinitrochlorobenzene purification device according to claim 1, characterized in that, A connecting hole (19) is provided at the bottom end of the inner container (2), a discharge pipe (15) is provided inside the connecting hole (19), and a discharge valve (16) is provided on the outer surface of the discharge pipe (15).

7. A 2,4-dinitrochlorobenzene purification device according to claim 6, characterized in that, The lower end of the discharge pipe (15) extends to the bottom of the mixing kettle (1), and the discharge pipe (15) is rotatably connected to the mixing kettle (1), and the upper end of the discharge pipe (15) is connected to the inner container (2).

8. A 2,4-dinitrochlorobenzene purification device according to claim 1, characterized in that, Support pillars (17) are fixedly connected to both sides of the outer surface of the mixing kettle (1), and the lower ends of the support pillars (17) are fixedly connected to a supporting platform (18).

Images