Stirring structure of efficient mixing and stirring kettle for preparing SN272

Abstract

A stirring structure of an efficient mixing and stirring kettle for preparing SN272 relates to the field of reaction kettles, the upper end of a stirring shaft (14) is rotatably connected in an annular hole (27) formed in a lantern ring (6), the lower end of the stirring shaft (14) abuts against the top of a supporting block (15), and a plurality of stirring paddles A (7) are arranged on the two opposite sides of the stirring shaft (14) at intervals respectively. A plurality of stirring paddles B (8) crossed with the stirring paddles A (7) are respectively arranged on the inner sides of two opposite side frames of the stirring square frame (12) at intervals; the motor A is arranged at the top of the kettle body to drive the stirring shaft located in the cavity to rotate, and the motor B is arranged at the bottom of the kettle body to drive the stirring square frame located in the cavity to rotate, so that a stirring paddle A arranged on the stirring shaft and a stirring paddle B arranged on the stirring square frame form reverse cross rotation during rotation; and the purpose of stirring more finely and thoroughly is achieved.

Description

Technical Field

[0001] The utility model relates to the field of stirring kettles, in particular to a stirring structure of a high-efficiency mixing stirring kettle for preparing SN272. Background Art

[0002] Di(2,4,4-trimethylpentyl)phosphinic acid (SN272) can be completely dissolved in aromatic and aliphatic diluents and is very stable under heating, acid and alkali conditions. It has good extraction and separation performance for cobalt in sulfate medium and chloride medium. Its reaction process: stirring reaction of hypophosphorous acid, isobutylene and glacial acetic acid → water washing → alkali washing → water washing twice → acidification → water washing three times → distillation. A stirring kettle is generally used for stirring reaction. The broad understanding of a stirring kettle is a container with physical or chemical reactions. Through the structural design and parameter configuration of the container, the heating, evaporation, cooling and low-speed mixing functions required by the process are realized.

[0003] The stirring intensity and stirring effect of the stirring kettle mainly depend on the stirring structure. The current stirring structure does not mix finely enough when there are more materials inside, so there is still room for improvement in its stirring efficiency. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the utility model discloses a stirring structure for a high-efficiency mixing kettle for preparing SN272, wherein a motor A is arranged on the top of the kettle body to drive a stirring shaft located in the cavity to rotate, and a motor B is arranged at the bottom of the kettle body to drive a stirring frame located in the cavity to rotate, so that a stirring paddle A arranged on the stirring shaft and a stirring paddle B arranged on the stirring frame form reverse cross rotation when rotating, thereby achieving the purpose of more delicate and thorough stirring.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0006] A stirring structure of a high-efficiency mixing kettle for preparing SN272 comprises a kettle body, a cavity is arranged in the kettle body, a stirring frame and a stirring shaft are arranged in the cavity, a sleeve is arranged in the middle of the top frame of the stirring frame, a support block is arranged in the middle of the bottom frame of the stirring frame, the upper end of the stirring shaft is rotatably connected in the ring hole provided in the sleeve, the lower end of the stirring shaft is against the top of the support block, a motor A is arranged above the kettle body, an output shaft A provided in the motor A passes through a through hole provided in the top of the kettle body and is fixedly connected to the top of the stirring shaft, a motor B is arranged below the kettle body, an output shaft B provided in the motor B passes through a through hole provided in the bottom of the kettle body and is fixedly connected to the bottom of the support block, a plurality of stirring paddles A are respectively arranged at intervals on opposite sides of the stirring shaft, a plurality of stirring paddles B cross-arranged with the stirring paddle A are respectively arranged at intervals on the inner sides of the opposite side frames of the stirring frame, and scrapers in contact with the side walls of the cavity are respectively arranged on the outer sides of the opposite side frames of the stirring frame.

[0007] The stirring structure of the high-efficiency mixing kettle for preparing SN272 is provided with an inner ring groove A in the middle section of the ring hole, a sleeve is provided at the upper end of the stirring shaft, an outer ring groove A is provided on the side wall of the sleeve at a position corresponding to the inner ring groove A, the sleeve is rotatably connected in the ring hole, and a plurality of balls A are provided between the inner ring groove A and the outer ring groove A.

[0008] The stirring structure of the high-efficiency mixing kettle for preparing SN272 is provided with a support ring at the top of the sleeve, which is in close contact with the top of the cavity and is larger than the diameter of the sleeve, an annular limiting groove is provided at the bottom of the support ring, and an annular limiting protrusion is provided at the top of the sleeve, and the annular limiting protrusion is rotatably connected in the annular limiting groove.

[0009] The stirring structure of the high-efficiency mixing kettle for preparing SN272 is provided with a circular groove on the top of the support block, two annular grooves are provided on the side wall of the circular groove at intervals, an inner annular groove B is provided on the side wall of the circular groove between the two annular grooves, two annular protrusions are provided on the side wall at the lower end of the stirring shaft at intervals, an outer annular groove B is provided on the side wall of the stirring shaft between the two annular protrusions, the two annular protrusions are rotatably connected in the two annular grooves, and a plurality of balls B are provided between the outer annular groove B and the inner annular groove B.

[0010] The stirring structure of the high-efficiency mixing kettle for preparing SN272 has a hemispherical socket at the bottom of the circular groove, a hemispherical head at the lower end of the stirring shaft, and the hemispherical head is rotatably connected in the hemispherical socket.

[0011] The stirring structure of the high-efficiency mixing kettle for preparing SN272 is provided with a sealing ring A between the output shaft A and the through hole provided on the top of the kettle body, and a sealing ring B between the output shaft B and the through hole provided on the bottom of the kettle body.

[0012] The stirring structure of the high-efficiency mixing and stirring kettle for preparing SN272 is provided with a feed inlet at the top of the kettle body and a discharge outlet at the bottom of the kettle body.

[0013] The stirring structure of the high-efficiency mixing kettle for preparing SN272 is provided with connecting rods on the outer sides of the two opposite sides of the stirring frame and between the two scraping strips.

[0014] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0015] The stirring structure of the high-efficiency mixing kettle for preparing SN272 described in the utility model is that a motor A is arranged on the top of the kettle body to drive the stirring shaft located in the cavity to rotate, and a motor B is arranged at the bottom of the kettle body to drive the stirring frame located in the cavity to rotate, so that the stirring paddle A arranged on the stirring shaft and the stirring paddle B arranged on the stirring frame form reverse cross rotation when rotating, thereby achieving the purpose of more delicate and thorough stirring; the utility model has the characteristics of reasonable structure, easy operation, delicate stirring effect, etc., and effectively improves the stirring efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the stirring shaft of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the stirring frame of the utility model.

[0019] Numbers in the figure: 1. Motor A; 2. Feed inlet; 3. Output shaft A; 4. Sealing ring A; 5. Support ring; 6. Sleeve ring; 7. Stirring paddle A; 8. Stirring paddle B; 9. Connecting rod; 10. Cavity; 11. Scraper; 12. Stirring frame; 13. Kettle body; 14. Stirring shaft; 15. Support block; 16. Sealing ring B; 17. Feed outlet; 18. Output shaft B; 19. Motor B; 20. Annular limit groove; 21. Sleeve; 22. Outer ring groove A; 23. Annular protrusion; 24. Outer ring groove B; 25. Hemispherical head; 26. Annular limit protrusion; 27. Ring hole; 28. Ball A; 29. ​​Inner ring groove A; 30. Circular groove; 31. Annular groove; 32. Ball B; 33. Inner ring groove B; 34. Hemispherical socket. DETAILED DESCRIPTION

[0020] The present invention can be explained in more detail through the following embodiments. The present invention is not limited to the following embodiments. The purpose of disclosing the present invention is to protect all changes and improvements within the scope of the present invention.

[0021] Combined with Figures 1 to 3The stirring structure of the high-efficiency mixing kettle for preparing SN272 comprises a kettle body 13, a cavity 10 is arranged in the kettle body 13, a stirring frame 12 and a stirring shaft 14 are arranged in the cavity 10, a sleeve ring 6 is arranged in the middle of the top frame of the stirring frame 12, a support block 15 is arranged in the middle of the bottom frame of the stirring frame 12, the upper end of the stirring shaft 14 is rotatably connected in the ring hole 27 provided in the sleeve ring 6, an inner ring groove A29 is arranged in the middle section of the ring hole 27, a sleeve 21 is arranged at the upper end of the stirring shaft 14, an outer ring groove A22 is arranged at a position corresponding to the inner ring groove A29 on the side wall of the sleeve 21, the sleeve 21 is rotatably connected in the ring hole 27, and the inner ring groove A29 and the outer ring groove A29 are arranged in the middle section of the ring hole 27. A plurality of balls A28 are arranged between the support block 15 and the support block 15, a support ring 5 is arranged at the top of the sleeve 21, which is in close contact with the top of the cavity 10 and is larger than the diameter of the sleeve 21, an annular limiting groove 20 is arranged at the bottom of the support ring 5, an annular limiting protrusion 26 is arranged at the top of the sleeve ring 6, and the annular limiting protrusion 26 is rotatably connected in the annular limiting groove 20, the lower end of the stirring shaft 14 is against the top of the support block 15, a circular groove 30 is arranged at the top of the support block 15, two annular grooves 31 are arranged at intervals on the side wall of the circular groove 30, an inner annular groove B33 is arranged on the side wall of the circular groove 30 between the two annular grooves 31, two annular protrusions 23 are arranged at intervals on the side wall at the lower end of the stirring shaft 14, and an inner annular groove B33 is arranged on the side wall of the circular groove 30 between the two annular grooves 31, and two annular protrusions 23 are arranged at intervals on the side wall at the lower end of the stirring shaft 14. An outer ring groove B24 is provided on the side wall of the stirring shaft 14 between the two annular protrusions 23, and the two annular protrusions 23 are rotatably connected in the two annular grooves 31. A plurality of balls B32 are provided between the outer ring groove B24 and the inner ring groove B33. A hemispherical socket 34 is provided at the bottom of the circular groove 30. A hemispherical head 25 is provided at the lower end of the stirring shaft 14, and the hemispherical head 25 is rotatably connected in the hemispherical socket 34. A motor A1 is provided above the kettle body 13, and an output shaft A3 of the motor A1 passes through a through hole provided at the top of the kettle body 13 and is fixedly connected to the top of the stirring shaft 14. A motor B19 is provided below the kettle body 13, and an output shaft B18 of the motor B19 passes through a through hole provided at the bottom of the kettle body 13 and is fixedly connected to the bottom of the support block 15. The stirring frame 12 is fixedly connected, and a plurality of stirring paddles A7 are respectively arranged at intervals on the opposite sides of the stirring shaft 14, and a plurality of stirring paddles B8 are respectively arranged at intervals on the inner sides of the opposite sides of the stirring frame 12 and are cross-arranged with the stirring paddles A7, and scrapers 11 in contact with the side walls of the cavity 10 are respectively arranged on the outer sides of the opposite sides of the stirring frame 12, and connecting rods 9 are respectively arranged on the outer sides of the opposite sides of the stirring frame 12 and between the two scrapers 11, a sealing ring A4 is arranged between the output shaft A3 and the through hole on the top of the kettle body 13, a sealing ring B16 is arranged between the output shaft B18 and the through hole on the bottom of the kettle body 13, a feed port 2 is arranged at the top of the kettle body 13, and a discharge port 17 is arranged at the bottom of the kettle body 13.

[0022] The stirring structure of the high-efficiency mixed stirring kettle for preparing SN272 described in the utility model is implemented, and the motor A1 and the motor B19 are connected to the switch and the power supply respectively, and the reaction raw materials, hypophosphorous acid, isobutylene and glacial acetic acid, are injected into the cavity 10 through the feed port 2, and the motor A1 and the motor B19 are turned on. The stirring paddles A7 and the stirring paddles B8 rotate in opposite directions under the drive of the motor A1 and the motor B19, so that the reaction raw materials are stirred more thoroughly. The scraper 11 provided on the stirring frame 12 can effectively scrape off the reaction raw materials adhering to the side wall of the cavity 10.

[0023] The parts not described in detail in this utility model are prior art.

Claims

1. A stirring structure for a high-efficiency mixing and stirring kettle for preparing SN272, comprising a kettle body (13), characterized in that: A cavity (10) is provided in a kettle body (13), a stirring frame (12) and a stirring shaft (14) are provided in the cavity (10), a sleeve ring (6) is provided in the middle of the top frame of the stirring frame (12), a support block (15) is provided in the middle of the bottom frame of the stirring frame (12), the upper end of the stirring shaft (14) is rotatably connected to a ring hole (27) provided in the sleeve ring (6), the lower end of the stirring shaft (14) is against the top of the support block (15), a motor A (1) is provided above the kettle body (13), and an output shaft A (3) provided in the motor A (1) passes through a through hole provided at the top of the kettle body (13). A motor B (19) is provided below the kettle body (13); an output shaft B (18) of the motor B (19) passes through a through hole provided at the bottom of the kettle body (13) and is then fixedly connected to the bottom of the support block (15); a plurality of stirring paddles A (7) are provided at intervals on opposite sides of the stirring shaft (14); a plurality of stirring paddles B (8) are provided at intervals on the inner sides of opposite sides of the stirring frame (12) and are arranged crosswise with the stirring paddles A (7); and scrapers (11) are provided on the outer sides of opposite sides of the stirring frame (12) to contact the side walls of the chamber (10).

2. The stirring structure of the high-efficiency mixing and stirring kettle for preparing SN272 according to claim 1 is characterized in that: An inner annular groove A (29) is provided in the middle section of the annular hole (27), a sleeve (21) is provided at the upper end of the stirring shaft (14), an outer annular groove A (22) is provided on the side wall of the sleeve (21) at a position corresponding to the inner annular groove A (29), the sleeve (21) is rotatably connected in the annular hole (27), and a plurality of balls A (28) are provided between the inner annular groove A (29) and the outer annular groove A (22).

3. The stirring structure of the high-efficiency mixing and stirring kettle for preparing SN272 according to claim 2 is characterized in that: A support ring (5) is provided at the top of the sleeve (21), which is in close contact with the top of the cavity (10) and has a diameter larger than that of the sleeve (21); an annular limiting groove (20) is provided at the bottom of the support ring (5); and an annular limiting protrusion (26) is provided at the top of the collar (6); the annular limiting protrusion (26) is rotatably connected in the annular limiting groove (20).

4. The stirring structure of the high-efficiency mixing and stirring kettle for preparing SN272 according to claim 1 is characterized in that: A circular groove (30) is provided on the top of the support block (15); two annular grooves (31) are provided at intervals on the side wall of the circular groove (30); an inner annular groove B (33) is provided on the side wall of the circular groove (30) between the two annular grooves (31); two annular protrusions (23) are provided at intervals on the side wall at the lower end of the stirring shaft (14); an outer annular groove B (24) is provided on the side wall of the stirring shaft (14) between the two annular protrusions (23); the two annular protrusions (23) are rotatably connected in the two annular grooves (31); and a plurality of balls B (32) are provided between the outer annular groove B (24) and the inner annular groove B (33).

5. The stirring structure of the high-efficiency mixing and stirring kettle for preparing SN272 according to claim 4 is characterized in that: A hemispherical socket (34) is provided at the bottom of the circular groove (30), and a hemispherical head (25) is provided at the lower end of the stirring shaft (14). The hemispherical head (25) is rotatably connected in the hemispherical socket (34).

6. The stirring structure of the high-efficiency mixing and stirring kettle for preparing SN272 according to claim 1, characterized in that: A sealing ring A (4) is provided between the output shaft A (3) and a through hole provided at the top of the kettle body (13), and a sealing ring B (16) is provided between the output shaft B (18) and a through hole provided at the bottom of the kettle body (13).

7. The stirring structure of the high-efficiency mixing and stirring kettle for preparing SN272 according to claim 1 is characterized in that: A feed inlet (2) is provided at the top of the kettle body (13), and a discharge outlet (17) is provided at the bottom of the kettle body (13).

8. The stirring structure of the high-efficiency mixing and stirring kettle for preparing SN272 according to claim 1 is characterized in that: Connecting rods (9) are provided on the outer sides of the two opposite sides of the stirring frame (12) and between the two scraping strips (11).

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