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CN-224208036-U - Medicine reation kettle with prevent sinking structure

CN224208036UCN 224208036 UCN224208036 UCN 224208036UCN-224208036-U

Abstract

The utility model discloses a medicine reaction kettle with an anti-sinking structure, which comprises a kettle body, a driving motor, a feed inlet, a discharge outlet, a stirring shaft, a scraper, a high-pressure gas spray head, wherein the driving motor is arranged at the top of the kettle body, the stirring shaft is connected with the driving motor, a propeller is arranged on the shaft body, the propeller comprises an upper blade and a lower blade which face opposite to each other, and the scraper is sleeved at the lower end of the stirring shaft. The utility model forms a bidirectional vortex shearing action through the design of the reverse double inclined blades, wherein the upper blade is pressurized downwards to enhance the turbulence of liquid and reduce layering, and the lower blade is used for lifting the bottom material upwards to eliminate stirring blind areas. The high-pressure gas spray head and the scraping plate cooperate to form a dynamic stripping effect, so that the anti-sinking performance is improved. The anti-sticking coating on the surface of the screw propeller reduces the material adhesion rate, and the real-time scraping of the high-pressure gas spray head is matched, so that the cross contamination problem is avoided. The agent supplementing channel can directly inject solvent into the deposition area, so that the shutdown feeding times are reduced. The design of the scraper and the nozzle reduces mechanical abrasion.

Inventors

  • WU ZHENGQI
  • CAI KUN

Assignees

  • 扬州联通医药设备有限公司

Dates

Publication Date
20260508
Application Date
20250514

Claims (9)

  1. 1. The utility model provides a medicine reation kettle with prevent sinking structure, includes the cauldron body (1), sets up in driving motor, feed inlet and the discharge gate at cauldron body (1) top, its characterized in that still includes: The stirring shaft (2) is connected with the driving motor, the shaft body is provided with a screw stirring paddle (3), the screw stirring paddle (3) comprises an upper blade (31) and a lower blade (32), and the directions of the upper blade (31) and the lower blade (32) are opposite; the scraping plate (4) is sleeved at the lower end of the stirring shaft (2); and the high-pressure gas spray head (5) is connected with an external gas source through a pipeline.
  2. 2. The reactor according to claim 1, wherein the upper blade (31) is inclined downward at an angle of 40 to 50 degrees.
  3. 3. The reactor according to claim 1, wherein the lower blade (32) is inclined upward at an angle of 55 DEG to 65 deg.
  4. 4. The drug reaction kettle with the anti-sinking structure as claimed in claim 1, wherein the surface of the screw stirring paddle (3) is sprayed with an anti-sticking coating.
  5. 5. The drug reaction kettle with the anti-sinking structure as claimed in claim 1, wherein the high-pressure gas spray heads (5) are annularly distributed at the kettle bottom of the kettle body (1).
  6. 6. The drug reaction kettle with the anti-sinking structure as claimed in claim 5, wherein the included angle between the high-pressure gas spray head (5) and the kettle bottom plane of the kettle body (1) is 15-45 degrees.
  7. 7. The reactor with anti-sinking structure according to claim 1, wherein the high-pressure gas spray heads (5) are arranged at the edge of the scraping plate (4).
  8. 8. The reactor with the anti-sinking structure according to claim 7, wherein the jet direction of the high-pressure gas jet (5) is between 10 DEG and 30 DEG with the moving direction of the scraper (4).
  9. 9. The drug reaction kettle with the anti-sinking structure of claim 1, wherein the stirring shaft (2) is of a hollow structure, a drug supplementing channel (6) is integrated inside, and an outlet of the drug supplementing channel (6) is positioned at the bottom end of the stirring shaft (2).

Description

Medicine reation kettle with prevent sinking structure Technical Field The utility model relates to the field of pharmaceutical chemicals, in particular to a medicine reaction kettle with an anti-sinking structure. Background In the fields of medicine synthesis, bio-pharmaceuticals and the like, a reaction kettle is one of core equipment, and the mixing efficiency and the anti-sinking performance of the reaction kettle directly influence the quality and the production efficiency of a product. However, the traditional reaction kettle still has the following outstanding problems in structural design and anti-deposition, namely 1. The traditional reaction kettle adopts a single-direction stirring paddle to enlarge the stirring range, but has limited lifting capacity on bottom materials, and layering is easy to form in a high-viscosity system. 2. The traditional anti-sinking scheme is mostly dependent on a single means, such as a mechanical scraping plate, which needs to frequently contact the bottom of the kettle, so that parts are worn. 3. The inner wall of the reaction kettle and the stirring part are easy to adhere with the medicine components, the adhesive force is reduced mainly through surface polishing or common coating in the prior art, but the coating is easy to peel off after long-term use, frequent shutdown and manual cleaning are needed, and the risk of cross contamination is increased. 4. For the reaction requiring the midway solvent addition, the existing equipment is mainly added through a side wall pipeline, so that the local concentration is too high and cannot accurately act on a deposition area. 5. The traditional scraping plate and the stirring part are easy to deform due to long-term mechanical friction, so that the service life of equipment is shortened by 30% -40%. Disclosure of utility model In order to solve the technical problems, the utility model aims to provide a novel reaction kettle with an anti-sinking structure, which integrates multi-stage anti-sinking, cleaning and online feeding functions. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a medicine reation kettle with prevent sinking structure, includes the cauldron body, sets up in driving motor, feed inlet and the discharge gate at cauldron body top, still includes: The stirring shaft is connected with the driving motor, a propeller is arranged on the shaft body, the propeller comprises an upper blade and a lower blade, and the directions of the upper blade and the lower blade are opposite; the scraping plate is sleeved at the lower end of the stirring shaft; the high-pressure gas spray head is connected with an external gas source through a pipeline. Preferably, the upper blade is inclined downwardly at an angle of between 40 ° and 50 °. Preferably, the lower blade is inclined upwardly at an angle of between 55 ° and 65 °. Preferably, the surface of the propeller is sprayed with a release coating. Preferably, the high-pressure gas spray heads are annularly distributed at the bottom of the kettle body. Preferably, the included angle between the high-pressure gas spray head and the bottom plane of the kettle body is 15-45 degrees. Preferably, the high-pressure gas jet nozzles are arranged at the edge of the scraper blade. Preferably, the jet direction of the high-pressure gas jet head is between 10 and 30 degrees relative to the movement direction of the scraper. Preferably, the gas injection frequency of the high-pressure gas nozzle and the rotating speed of the stirring shaft are adjusted in a linkage way through an external PID controller; The injection mode of the high-pressure gas nozzle comprises the following steps: A normal mode, in which intermittent spraying is performed for 5-10 seconds to maintain basic anti-deposition; the strengthening mode is to spray at high frequency for 1-3s, and can be used for preventing deposition during adding medicament. Preferably, the stirring shaft is of a hollow structure, a medicament supplementing channel is integrated in the stirring shaft, and an outlet of the medicament supplementing channel is positioned at the bottom end of the stirring shaft. The utility model has the following beneficial effects: 1. The bidirectional vortex shearing action is formed by the reverse double-inclined blade design, wherein the upper blade is pressurized downwards to enhance the liquid turbulence and reduce layering, the lower blade is used for lifting the bottom material upwards to eliminate the stirring blind area, and the mixing uniformity is improved by 30-40%. 2. The high-pressure gas spray head and the scraping plate cooperate to form a dynamic stripping effect, so that deposited materials are separated from the bottom of the kettle, and the anti-sinking performance is improved. 3. The anti-sticking coating on the surface of the screw propeller reduces the material adhesion rate, and the cleaning period