Pesticide intermediate chlorination reaction device

Abstract

The utility model discloses a pesticide intermediate chlorination reaction device which comprises a reaction tank, a cooling jacket and a heating jacket, the reaction tank is provided with a liquid inlet pipe, a first tail gas pipe and a liquid outlet pipe which are communicated with the interior of the reaction tank, and the side wall of the reaction tank is provided with a gas storage cylinder installed on the reaction tank through an installation assembly. An air inlet pipe is arranged on the air storage cylinder in a communicating mode, a stirring mechanism used for stirring a solution is arranged below the mounting assembly and comprises a motor fixedly connected to the top in the mounting assembly, and a rotating pipe communicated with the interior of the air storage cylinder is arranged on the air storage cylinder. According to the reaction tank, the stirring mechanism is arranged, the rotating pipe can be used for stirring liquid and enhancing the reaction uniformity, gas can be dispersed uniformly in the reaction tank through rotation of the exhaust pipe, and the contact efficiency of the gas and the liquid is improved, so that the chlorination reaction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pesticide intermediate chlorination reaction equipment, in particular to a pesticide intermediate chlorination reaction device. Background Art

[0002] Pesticide intermediates are intermediate products used in the production of pesticide technical or pesticide formulations. They are compounds that have not yet become final pesticide products after a series of chemical reactions during the pesticide synthesis process. The quality and purity of pesticide intermediates have an important impact on the quality, efficacy and safety of the final pesticide products.

[0003] In the prior art, pesticide intermediates need to undergo chlorination reactions during the production process, which are all carried out in a chlorination reaction device. However, the gas discharge position in the traditional chlorination reaction device is fixed, so it takes a long time for the gas to be fully mixed with the liquid, and the reaction time of the chlorination reaction is long. Therefore, it is necessary to design a pesticide intermediate chlorination reaction device to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a pesticide intermediate chlorination reaction device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pesticide intermediate chlorination reaction device comprises a reaction tank, a cooling jacket and a heating jacket, the reaction tank is provided with a liquid inlet pipe, a first tail gas pipe and a liquid outlet pipe which are connected with the interior thereof, the side wall of the reaction tank is provided with a gas storage cylinder which is installed on the reaction tank through a mounting assembly, the gas storage cylinder is connected with an air inlet pipe, a stirring mechanism for stirring the solution is provided under the mounting assembly, the stirring mechanism comprises a motor fixedly connected to the top of the mounting assembly, the gas storage cylinder is provided with a rotating tube which is connected with the interior thereof, the rotating tube is rotatably connected with the gas storage cylinder, the motor and the side wall of the rotating tube are respectively fixedly connected with a first gear and a second gear, the rotating tube is provided with a plurality of air outlet pipes which are connected with the interior thereof, the air outlet pipe is provided with a plurality of exhaust pipes which are connected with the interior thereof, a rotating plate is fixedly connected to the lower end of the air outlet pipe, and a treatment mechanism for treating the tail gas is provided on the first tail gas pipe.

[0007] Preferably, the processing mechanism comprises a processing cylinder arranged on the first tail gas pipe, and the processing cylinder is provided with a second tail gas pipe connected with the interior thereof.

[0008] Preferably, a plurality of stirring blades are fixedly connected to the side wall of the rotating tube, and the plurality of stirring blades at the same height are arranged at equal intervals.

[0009] Preferably, a rotating rod is fixedly connected to the lower end of the rotating tube, and a plurality of the rotating rods are arranged at equal intervals.

[0010] Preferably, the treatment cylinder is provided with a feed pipe and a discharge pipe which are in communication with the interior thereof, the exhaust pipe is provided with a first one-way valve, and the second tail gas pipe is provided with a second one-way valve.

[0011] Preferably, the inner bottom of the treatment cylinder is provided with an inclined surface, and the inner bottom of the reaction tank is provided with an inclined surface.

[0012] The utility model has the following beneficial effects:

[0013] 1. The device is equipped with a stirring mechanism. The rotating tube can not only be used to stir the liquid to enhance the uniformity of the reaction, but also help the gas to be evenly dispersed in the reaction tank through the rotation of the exhaust pipe, thereby improving the contact efficiency between the gas and the liquid, thereby improving the efficiency of the chlorination reaction;

[0014] 2. This device is equipped with a treatment mechanism, and the exhaust gas can enter the treatment cylinder, where the activated carbon particles inside absorb the harmful gases, thereby preventing the exhaust gas from polluting the environment;

[0015] 3. The device is provided with a feed pipe and a discharge pipe. The activated carbon particles can be discharged by opening the valve on the discharge pipe, and the activated carbon particles can be poured in by opening the sealing cover on the feed pipe, making the replacement of activated carbon particles more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a pesticide intermediate chlorination reaction device proposed by the utility model;

[0017] Figure 2 for Figure 1 A side view of a pesticide intermediate chlorination reaction device proposed by the utility model;

[0018] Figure 3 The utility model provides a side view of a pesticide intermediate chlorination reaction device.

[0019] In the figure: 1 reaction tank, 2 cooling jacket, 3 heating jacket, 4 rotating tube, 5 exhaust pipe, 6 rotating plate, 7 rotating rod, 8 exhaust pipe, 9 treatment tube, 10 motor, 11 air storage cylinder, 12 first tail gas pipe, 13 discharge pipe, 14 second tail gas pipe, 15 feed pipe, 16 intake pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A pesticide intermediate chlorination reaction device includes a reaction tank 1, a cooling jacket 2 and a heating jacket 3. The cooling jacket 2 and the heating jacket 3 are prior arts in the field of reactors, so they are not described in detail. The reaction tank 1 is provided with a liquid inlet pipe, a first tail gas pipe 12 and a liquid outlet pipe connected to the interior thereof, and a gas storage cylinder 11 is installed on the side wall of the reaction tank 1 through a mounting assembly, and an air inlet pipe 16 is connected to the air storage cylinder 11.

[0022] A stirring mechanism for stirring the solution is provided under the mounting assembly, and the stirring mechanism includes a motor 10 fixedly connected to the top of the mounting assembly, a rotating tube 4 connected to the interior of the air storage cylinder 11 is provided on the air storage cylinder 11, the rotating tube 4 is rotatably connected to the air storage cylinder 11, a first gear and a second gear are fixedly connected to the side walls of the motor 10 and the rotating tube 4 respectively, a plurality of air outlet pipes 5 connected to the interior of the rotating tube 4 are provided on the rotating tube 4, a plurality of exhaust pipes 8 connected to the interior of the air outlet pipe 5 are provided on the air outlet pipe 5, and a rotating plate 6 is fixedly connected to the lower end of the air outlet pipe 5.

[0023] The first tail gas pipe 12 is provided with a processing mechanism for processing tail gas, and the processing mechanism includes a processing tube 9 arranged on the first tail gas pipe 12, and the processing tube 9 is provided with a second tail gas pipe 14 connected with the interior thereof.

[0024] In the utility model, a plurality of stirring blades are fixedly connected to the side wall of the rotating tube 4, and a plurality of stirring blades at the same height are arranged at equal intervals, which can improve the stirring effect of the reaction tank 1 at a high depth liquid level.

[0025] In the utility model, the lower end of the rotating tube 4 is fixedly connected with a rotating rod 7, and a plurality of rotating rods 7 are arranged at equal intervals, so that stirring can be performed at the liquid outlet pipe to accelerate the discharge of materials.

[0026] In the utility model, the processing cylinder 9 is provided with a feed pipe 15 and a discharge pipe 13 connected to the interior thereof, the exhaust pipe 8 is provided with a first one-way valve to prevent liquid backflow, and the second tail gas pipe 14 is provided with a second one-way valve to prevent external gas from consuming activated carbon particles.

[0027] In the utility model, a slope is provided at the bottom of the processing cylinder 9 to facilitate the discharge of activated carbon particles, and a slope is provided at the bottom of the reaction tank 1 to facilitate the discharge of materials.

[0028] In the initial state, a large amount of activated carbon particles are filled in the treatment cylinder 9, and the air inlet pipe 16 is connected to the hydrogen chloride gas storage tank (with a pumping device).

[0029] When in use, the pesticide intermediate is injected into the reaction tank 1, the heating jacket 3 and the motor 10 are started, the motor 10 drives the rotating tube 4 to rotate through the meshing of the first gear and the second gear, the external hydrogen chloride gas storage tank is opened, the hydrogen chloride gas is fed into the reaction tank 1, and the gas is ejected from the multiple exhaust pipes 8 on the multiple outlet pipes 5. Since the exhaust pipes 8 can rotate at the bottom of the reaction tank 1, it is helpful to evenly disperse the gas in the reaction tank 1 and improve the contact efficiency between the gas and the liquid. On the other hand, the power generated by the rotation of the rotating plate 6 under the outlet pipe 5 can drive the stirring component to stir the liquid and enhance the uniformity of the reaction;

[0030] In addition, the exhaust gas can enter the treatment tube 9 , and the activated carbon particles in the treatment tube 9 can absorb harmful gases in the exhaust gas. The absorbed exhaust gas is discharged from the second exhaust pipe 14 .

[0031] The above description is only a preferred specific implementation manner 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 scheme and practical concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pesticide intermediate chlorination reaction device, comprising a reaction tank (1), a cooling jacket (2) and a heating jacket (3), characterized in that: The reaction tank (1) is provided with a liquid inlet pipe, a first tail gas pipe (12) and a liquid outlet pipe which are in communication with the interior thereof; the reaction tank (1) is provided with a gas storage cylinder (11) installed on the reaction tank (1) via a mounting assembly on the side wall thereof; the gas storage cylinder (11) is in communication with a gas inlet pipe (16); a stirring mechanism for stirring the solution is provided below the mounting assembly; the stirring mechanism comprises a motor (10) fixedly connected to the top of the mounting assembly; the gas storage cylinder (11) is provided with a rotating tube (4) which is in communication with the interior thereof; the rotating tube (4) is rotatably connected to the gas storage cylinder (11); the motor (10) and the side wall of the rotating tube (4) are respectively fixedly connected with a first gear and a second gear; the rotating tube (4) is provided with a plurality of gas outlet pipes (5) which are in communication with the interior thereof; the gas outlet pipe (5) is provided with a plurality of exhaust pipes (8) which are in communication with the interior thereof; a rotating plate (6) is fixedly connected to the lower end of the gas outlet pipe (5); and a processing mechanism for processing tail gas is provided on the first tail gas pipe (12).

2. A pesticide intermediate chlorination reaction device according to claim 1, characterized in that: The treatment mechanism comprises a treatment cylinder (9) arranged on a first tail gas pipe (12), and a second tail gas pipe (14) communicating with the interior of the treatment cylinder (9) is provided on the treatment cylinder (9).

3. A pesticide intermediate chlorination reaction device according to claim 2, characterized in that: A plurality of stirring blades are fixedly connected to the side wall of the rotating tube (4), and the plurality of stirring blades at the same height are arranged at equal intervals.

4. A pesticide intermediate chlorination reaction device according to claim 3, characterized in that: The lower end of the rotating tube (4) is fixedly connected to a rotating rod (7), and a plurality of the rotating rods (7) are arranged at equal intervals.

5. A pesticide intermediate chlorination reaction device according to claim 4, characterized in that: The treatment cylinder (9) is provided with a feed pipe (15) and a discharge pipe (13) which are in communication with the interior thereof, the exhaust pipe (8) is provided with a first one-way valve, and the second tail gas pipe (14) is provided with a second one-way valve.

6. A pesticide intermediate chlorination reaction device according to claim 5, characterized in that: The inner bottom of the treatment cylinder (9) is provided with an inclined surface, and the inner bottom of the reaction tank (1) is provided with an inclined surface.

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