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CN-224207968-U - Automatic dropping equipment for phosphorus trichloride

CN224207968UCN 224207968 UCN224207968 UCN 224207968UCN-224207968-U

Abstract

The utility model discloses automatic dropping equipment of phosphorus trichloride, which relates to the technical field of chemical product production; and the utility model discloses a drip storage tank, the upper surface and the inside of drip storage tank are equipped with rabbling mechanism jointly, drip storage tank's lower surface intercommunication is equipped with the transfer line, the below of transfer line is equipped with the burette body, be equipped with flow control assembly between transfer line and the burette body, this application passes through flow control assembly, the high accuracy dynamic adjustment to the phosphorus trichloride drip acceleration has been realized, with drip accuracy error control in minimum range, the stability and the reliability of automatic drip equipment operation have been showing to promote, this application passes through rabbling mechanism, material layering in the drip storage tank, impurity deposition's difficult problem has been solved, this design has ensured drip solution concentration homogeneity, effectively prevent the emergence of pipeline blocking phenomenon, the equipment maintenance frequency is showing to have reduced with the risk of stopping off extravagant, promote production efficiency and security by a wide margin.

Inventors

  • Tu Lang
  • HAN GANG
  • YOU JIAMING
  • YOU LINGLING

Assignees

  • 上高金安实业有限公司

Dates

Publication Date
20260508
Application Date
20250527

Claims (8)

  1. 1. The automatic phosphorus trichloride dropping device comprises a dropping storage tank (1) and is characterized in that a stirring mechanism (3) is arranged on the upper surface and the inside of the dropping storage tank (1) together, an infusion tube (6) is arranged on the lower surface of the dropping storage tank (1) in a communicating mode, a dropper body (7) is arranged below the infusion tube (6), and a flow regulating assembly (2) is arranged between the infusion tube (6) and the dropper body (7).
  2. 2. The automatic phosphorus trichloride dripping device as claimed in claim 1, wherein the flow regulating assembly (2) comprises a connecting pipe (23), the connecting pipe (23) is fixedly arranged between the infusion tube (6) and the dropper body (7), a supporting seat (26) is fixedly arranged on one side of the connecting pipe (23), a stepping motor (25) is fixedly arranged on the upper surface of the supporting seat (26), the output end of the stepping motor (25) is fixedly connected with a round rod (28), one end of the round rod (28) facing away from the output end of the stepping motor (25) is rotatably connected with the inner wall of the connecting pipe (23), a rotating plate (27) is fixedly connected with the outer surface of the round rod (28), and a first baffle (21) and a second baffle (22) which are matched with the rotating plate (27) are respectively fixedly connected with the inner wall of the connecting pipe (23).
  3. 3. The automatic phosphorus trichloride dropping device as claimed in claim 1, wherein the stirring mechanism (3) comprises a protective cover (37), the protective cover (37) is fixedly arranged on the upper surface of the dropping storage tank (1), a servo motor (31) is fixedly arranged on the inner wall of the protective cover (37), the output end of the servo motor (31) is fixedly connected with a stirring shaft (36), the bottom end of the stirring shaft (36) is rotatably connected with the inner cavity of the dropping storage tank (1), a connecting ring (35) is fixedly sleeved on the outer surface of the stirring shaft (36) at equal intervals, and stirring pieces (33) are fixedly connected to the annular array of the outer surface of the connecting ring (35).
  4. 4. The automatic phosphorus trichloride dropping device as claimed in claim 1, wherein the upper surface of the dropping storage tank (1) is communicated with a liquid adding pipe (5), and the upper surface of the liquid adding pipe (5) is movably clamped with a sealing cover (4).
  5. 5. The automatic phosphorus trichloride dripping device according to claim 2, wherein the outer surface of the connecting pipe (23) is fixedly connected with a first sealing ring (24) which is matched with a round rod (28), and the round rod (28) is rotatably connected with the first sealing ring (24).
  6. 6. The automatic phosphorus trichloride dripping device as claimed in claim 2, wherein the first baffle (21) and the second baffle (22) are respectively located at two sides of the rotating plate (27), and the first baffle (21) and the second baffle (22) are respectively movably clamped with two sides of the rotating plate (27).
  7. 7. The automatic phosphorus trichloride dripping device as claimed in claim 3, wherein a second sealing ring (32) matched with a stirring shaft (36) is fixedly arranged on the upper surface of the dripping storage tank (1), and the stirring shaft (36) is rotationally connected with the second sealing ring (32).
  8. 8. The automatic phosphorus trichloride dripping device as claimed in claim 3, wherein the stirring member (33) has through holes (34) formed at one side thereof at equal intervals.

Description

Automatic dropping equipment for phosphorus trichloride Technical Field The utility model relates to the technical field of chemical product production, in particular to automatic dropping equipment for phosphorus trichloride. Background Phosphorus trichloride is an important industrial inorganic salt product and has wide application in various fields. The method can be used for preparing organophosphorus pesticides such as trichlorfon, methamidophos, acephate, and pyrithione in pesticide industry, can be used for preparing sulfadiazine, sulfamethoxine, and the like in medical industry, can be used as condensing agent of phenols in fuel industry, and has increasingly strict environmental protection requirements in chemical production. If the dripping control is improper in the production process of the phosphorus trichloride, redundant pollutants such as waste gas, waste water and the like can be generated; however, the existing automatic phosphorus trichloride dripping equipment has some problems when in use: Firstly, the existing equipment possibly depends on a single flow sensor, is easily influenced by medium temperature and pressure fluctuation, causes the dropping speed to be neglected and slow, and influences the stability of a reaction process, thereby reducing the dropping precision of the automatic dropping equipment; Secondly, lack of a stirring structure in a dripping storage tank in the equipment easily causes layering of materials and deposition of impurities, uneven dripping concentration and blockage of a pipeline are caused, process stability is affected, and meanwhile, safety risks such as local overheating and out-of-control reaction are possibly caused, so that equipment maintenance cost and hidden danger of production interruption are increased. Disclosure of utility model The utility model aims to solve the problems of poor automatic dripping precision and lack of stirring structure in a dripping storage tank in the existing dripping equipment and provides the automatic dripping equipment for phosphorus trichloride. In order to solve the technical problems, the automatic phosphorus trichloride dripping device comprises a dripping storage tank, wherein a stirring mechanism is arranged on the upper surface and the inside of the dripping storage tank, an infusion tube is arranged on the lower surface of the dripping storage tank in a communicated mode, a dropper body is arranged below the infusion tube, a flow regulating assembly is arranged between the infusion tube and the dropper body, the flow regulating assembly comprises a connecting tube, the connecting tube is fixedly arranged between the infusion tube and the dropper body, a supporting seat is fixedly arranged on one side of the connecting tube, a stepping motor is fixedly arranged on the upper surface of the supporting seat, the output end of the stepping motor is fixedly connected with a round rod, one end of the round rod, which faces away from the output end of the stepping motor, is rotatably connected with the inner wall of the connecting tube, the outer surface of the round rod is fixedly connected with a rotating plate, and the inner wall of the connecting tube is fixedly connected with a first baffle and a second baffle which are matched with the rotating plate. Preferably, the stirring mechanism comprises a protective cover, the protective cover is fixedly arranged on the upper surface of the dripping storage tank, a servo motor is fixedly arranged on the inner wall of the protective cover, the output end of the servo motor is fixedly connected with a stirring shaft, the bottom end of the stirring shaft is rotationally connected with the inner cavity of the dripping storage tank, a connecting ring is fixedly sleeved on the outer surface of the stirring shaft at equal intervals, and stirring pieces are fixedly connected to the annular array of the outer surface of the connecting ring. Compared with the prior art, the utility model has the beneficial effects that: 1. The application effectively overcomes the defect that the traditional single flow sensor is easy to be interfered by temperature and pressure through the flow regulating component, realizes high-precision dynamic regulation of the dropping speed of the phosphorus trichloride, controls the dropping precision error within a very small range, and remarkably improves the running stability and reliability of automatic dropping equipment; 2. The stirring mechanism solves the problems of material layering and impurity deposition in the dripping storage tank, ensures uniform concentration of dripping solution, effectively prevents the occurrence of pipeline blockage, ensures the stability of a production process, remarkably reduces the equipment maintenance frequency and the risk of unplanned shutdown, and greatly improves the production efficiency and the safety. Drawings In order to more clearly illustrate the embodiments of the utility model or the technical solut