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CN-224220884-U - Crude product treatment standing layering kettle used in 2, 3-dichloro-5-trifluoromethylpyridine synthesis process

CN224220884UCN 224220884 UCN224220884 UCN 224220884UCN-224220884-U

Abstract

The utility model belongs to the technical field of DCTF crude product treatment, and discloses a static layering kettle for crude product treatment in the synthesis process of 2, 3-dichloro-5-trifluoromethylpyridine, which comprises a kettle body, wherein one side of the top end of the kettle body is provided with a feeding pipeline, the bottom end of the kettle body is provided with a slag discharge port, one side of the bottom end of the kettle body is provided with a discharge port, the inside top-down of the cauldron body is equipped with a plurality of baffles in proper order, and the surface of baffle runs through and is equipped with a plurality of through-holes, and the apron is installed through the flange to the top of the cauldron body, and the bottom of apron is rotated through the bearing frame and is installed central pivot, and a plurality of stirring boards are installed to one side of central pivot, and the bottom of every stirring board is hugged closely with the top of every baffle respectively. This device can be at the internal portion of cauldron layering to the crude, shortens the time of standing, ensures material evenly distributed through central pivot, stirring board and apron, avoids sedimentation and reunion phenomenon for the layering is more thorough, and then has improved production efficiency, has improved the stability of layering cauldron.

Inventors

  • XU JIANPING
  • GU WEIWEN

Assignees

  • 吴忠领航生物药业科技有限公司

Dates

Publication Date
20260512
Application Date
20250428

Claims (7)

  1. 1. A be arranged in 2, 3-dichloro-5-trifluoromethyl pyridine synthetic in-process crude processing layering cauldron of standing, includes the cauldron body (1), its characterized in that, one side on cauldron body (1) top is equipped with feeding pipeline (2), the bottom of cauldron body (1) is equipped with row slag notch (3), one side of cauldron body (1) bottom is equipped with discharge gate (4), the inside top-down of cauldron body (1) is equipped with a plurality of baffles (5) in proper order, the surface of baffle (5) runs through and is equipped with a plurality of through-holes (6), apron (7) are installed through the flange on the top of cauldron body (1), central pivot (8) are installed through the bearing frame rotation in the bottom of apron (7), a plurality of stirring board (9) are installed to one side of central pivot (8), and every stirring board (9) the bottom is hugged closely with every respectively the top of baffle (5), internally mounted of cauldron body (1) has a plurality of thermometer (10), feeding pipeline (2) sediment mouth (3) and discharge gate (4) are interior control valve (12) and are all installed with flowmeter (11).
  2. 2. The standing layering kettle for crude product treatment in the 2, 3-dichloro-5-trifluoromethylpyridine synthesis process according to claim 1, wherein the kettle body (1) and the baffle plate (5) are made of 316L stainless steel.
  3. 3. The static layering kettle for crude product treatment in the synthesis process of 2, 3-dichloro-5-trifluoromethylpyridine according to claim 1 is characterized in that a motor (13) is arranged at the top end of the cover plate (7), and the output end of the motor (13) is in transmission connection with the central rotating shaft (8) through a coupler.
  4. 4. The static layering kettle for crude product treatment in the synthesis process of 2, 3-dichloro-5-trifluoromethylpyridine according to claim 1 is characterized in that a pressure gauge (14) is arranged on one side of the top end of the cover plate (7) and one side of the bottom end of the kettle body (1).
  5. 5. The static layering kettle for crude product treatment in the synthesis process of 2, 3-dichloro-5-trifluoromethylpyridine according to claim 1, wherein a plurality of connecting pipelines (15) are arranged on the periphery of the kettle body (1).
  6. 6. The static layering kettle for crude product treatment in the synthesis process of 2, 3-dichloro-5-trifluoromethylpyridine according to claim 1, wherein an observation window (16) is arranged on one side of the kettle body (1).
  7. 7. The static layering kettle for crude product treatment in the synthesis process of 2, 3-dichloro-5-trifluoromethylpyridine according to claim 1, wherein a controller (17) is arranged on one side of the kettle body (1).

Description

Crude product treatment standing layering kettle used in 2, 3-dichloro-5-trifluoromethylpyridine synthesis process Technical Field The utility model belongs to the technical field of DCTF crude product treatment, and particularly relates to a standing layering kettle for crude product treatment in a 2, 3-dichloro-5-trifluoromethylpyridine synthesis process. Background In the modern chemical industry, 2, 3-dichloro-5-trifluoromethylpyridine (DCTF) is used as an important fine chemical intermediate, and is widely applied to a plurality of fields such as pesticides, medicines and the like. In the production process, the crude product treatment link plays a decisive role in the purity and yield of the final product. Some crude product treatment static layering kettles used in the 2, 3-dichloro-5-trifluoromethyl pyridine synthesis process at present have lower static layering efficiency and need to consume a long time to wait for phase separation, so that the whole production period can be prolonged, the production efficiency is reduced, the layering effect is possibly unsatisfactory, partial impurities are difficult to completely separate through simple static, the purity of the product is low, and the quality and the application of the subsequent product are affected. Therefore, in view of the above, the present invention provides a still standing and layering kettle for crude treatment in the synthesis process of 2, 3-dichloro-5-trifluoromethylpyridine, which aims to achieve the purpose of higher practical value. Disclosure of utility model In order to solve the technical problems, the utility model provides a crude product treatment standing layering kettle used in the synthesis process of 2, 3-dichloro-5-trifluoromethyl pyridine, which is achieved by the following specific technical means: The utility model provides a be arranged in 2, 3-dichloro-5-trifluoromethyl pyridine synthetic in-process crude processing layering cauldron of standing, includes the cauldron body, one side on cauldron body top is equipped with the feeding pipeline, the bottom of the cauldron body is equipped with the row cinder notch, one side on cauldron body bottom is equipped with the discharge gate, the inside top-down of the cauldron body is equipped with a plurality of baffles in proper order, the surface of baffle runs through and is equipped with a plurality of through-holes, the apron is installed through the flange to the top of the cauldron body, the bottom of apron is rotated through the bearing frame and is installed central pivot, a plurality of stirring boards are installed to one side of central pivot, and every stirring board's bottom respectively with every the top of baffle is hugged closely, the internally mounted of the cauldron body has a plurality of thermometers, the feeding pipeline the row cinder notch and all install control valve and flowmeter in the discharge gate. Furthermore, the material of the kettle body and the baffle is L stainless steel. Further, a motor is installed at the top end of the cover plate, and the output end of the motor is in transmission connection with the central rotating shaft through a coupler. Furthermore, the manometer is all installed to one side on apron top and one side of cauldron body bottom. Furthermore, a plurality of connecting pipelines are arranged on the periphery of the kettle body. Further, one side of the kettle body is provided with an observation window. Further, a controller is installed on one side of the kettle body. Compared with the prior art, the utility model has the following beneficial effects: The utility model relates to a coarse product treatment standing layering kettle used in the synthesis process of 2, 3-dichloro-5-trifluoromethylpyridine, which is matched with a kettle body, a feeding pipeline, a slag discharge port, a baffle plate, a through hole, a cover plate, a central rotating shaft, an agitating plate, a thermometer, a control valve, a flowmeter, a motor, a pressure gauge, a connecting pipeline, an observation window and a controller to conveniently layer the coarse product in the kettle body, so that the standing time is shortened, the uniform distribution of materials is ensured through the central rotating shaft, the agitating plate and the cover plate, the precipitation and agglomeration phenomena are avoided, the layering is more thorough, the production efficiency is further improved, and the stability of the layering kettle is improved. Drawings Fig. 1 is a schematic perspective view of the present utility model. Fig. 2 is a schematic perspective cross-sectional view of the present utility model. Fig. 3 is an enlarged schematic view of portion a of fig. 2 in accordance with the present utility model. In the figure, the correspondence between the component names and the drawing numbers is: 1. A kettle body; 2, a feeding pipeline, 3, a slag discharging port, 4, a discharging port, 5, a baffle plate, 6, a through hole, 7, a cover plate, 8