Primary brine refining reaction tank

Abstract

The utility model belongs to the technical field of brine refining equipment, and particularly relates to a primary brine refining reaction tank which comprises a mixing barrel, and a stirring structure is arranged on the mixing barrel; the input end of the stirring structure is connected with a speed reduction assembly, and the output end of the speed reduction assembly is connected with a one-way bearing; a cleaning shaft is connected to the one-way bearing, a cleaning frame is connected to the cleaning shaft, and a vertical scraping plate corresponding to the inner wall of the mixing barrel is arranged on the cleaning frame; the mixing barrel is connected with a conical collecting barrel, the collecting barrel is connected with a slag discharging pipe, and the vertical scraping plate is fixedly connected with an inclined scraping plate corresponding to the inner wall of the collecting barrel; a salt water pipe and a feeding pipe are arranged at the end, close to the collecting barrel, of the mixing barrel, and a discharging pipe is arranged at the top of the mixing barrel; the utility model effectively solves the problem that the salt water pipe of the existing reaction tank is influenced by the accumulation of sediments.

Description

Technical Field

[0001] The utility model belongs to the technical field of brine refining equipment, and in particular relates to a primary brine refining reaction tank. Background Art

[0002] In the brine refining process of the chlor-alkali industry, saturated brine is used as raw material, and calcium ions, magnesium ions, natural organic matter and water-insoluble impurities are removed therefrom to make qualified primary brine for use in the electrolysis unit; sodium hydroxide and sodium carbonate are added to the saturated brine for refining reaction to remove calcium ions and magnesium ions in the brine, and the calcium and magnesium ions form precipitates, which enter the next device for refining with the brine; however, part of the calcium and magnesium precipitates accumulate in the reaction tank, and since the brine pipes of the reaction tank are mostly set at the bottom to avoid the accumulation of calcium and magnesium precipitates, under long-term operation, the precipitates are still easy to cause blockage to the inlet of the brine pipe, which reduces the function of the reaction tank. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a primary brine refining reaction tank, which effectively solves the problem of sediment accumulation in the existing reaction tank and affecting the brine pipe of the reaction tank.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a primary brine refining reaction tank, including a mixing barrel, on which a stirring structure is provided; the input end of the stirring structure is connected to a reduction assembly, and the output end of the reduction assembly is connected to a one-way bearing; the one-way bearing is connected to a cleaning shaft, and the cleaning shaft is connected to a cleaning frame, and the cleaning frame is provided with a vertical scraper corresponding to the inner wall of the mixing barrel; the mixing barrel is connected to a conical collecting barrel, and the collecting barrel is connected to a slag discharge pipe, and the vertical scraper is fixedly connected to an inclined scraper corresponding to the inner wall of the collecting barrel; the end of the mixing barrel close to the collecting barrel is provided with a brine pipe and a feeding pipe, and the top of the mixing barrel is provided with a discharge pipe.

[0005] Furthermore, the stirring structure includes a motor fixedly connected to the mixing barrel, an output end of the motor is connected to a stirring shaft, and a stirring paddle corresponding to the mixing barrel is provided on the stirring shaft.

[0006] Furthermore, the reduction assembly includes a sun gear fixed to the stirring shaft, and a ring gear is fixed to the mixing barrel; the cleaning shaft is fixed to a planetary carrier, a one-way bearing is provided on the planetary carrier, and a planetary gear meshing with the sun gear and the ring gear is rotatably connected to the planetary carrier.

[0007] Furthermore, a cleaning pipe is provided on the top of the mixing barrel, and a valve is provided on the slag discharge pipe.

[0008] Furthermore, a plurality of stabilizing rings fixedly connected to the vertical scraper are provided below the cleaning frame.

[0009] Furthermore, a synchronous frame is sleeved on the stirring shaft, and the synchronous frame is fixedly connected to one of the stabilizing rings.

[0010] Furthermore, a propeller corresponding to the slag discharge pipe is fixedly connected to the synchronous frame.

[0011] Furthermore, a conical slope is provided on the upper surface of the synchronous frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When the utility model is in use, the brine pipe is arranged at the end of the mixing barrel close to the collecting cylinder, and a collecting cylinder is arranged below the brine pipe, so that the sediment can be collected and stored conveniently; in addition, with the arrangement of the vertical scraper, the inclined scraper, the slag discharge pipe, etc., the sediment can be intermittently cleaned, which can effectively prevent the sediment from clogging the inlet of the brine pipe, thereby improving the stability of the use of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the deceleration component in the utility model;

[0017] In the figure: 1. slag discharge pipe, 2. collecting cylinder, 3. brine pipe, 4. mixing barrel, 5. discharge pipe, 6. motor, 7. cleaning pipe, 8. feeding pipe, 9. cleaning rack, 10. vertical scraper, 11. stabilizing ring, 12. synchronous rack, 13. inclined scraper, 14. propeller, 15. stirring shaft, 16. stirring paddle, 17. sun gear, 18. ring gear, 19. planetary gear, 20. planetary rack, 21. one-way bearing, 22. cleaning shaft. DETAILED DESCRIPTION

[0018] A primary brine refining reaction tank, such as Figure 1-3 As shown, it includes a mixing barrel 4, on which a stirring structure is provided; the input end of the stirring structure is connected to a reduction assembly, and the output end of the reduction assembly is connected to a one-way bearing 21; the one-way bearing 21 is connected to a cleaning shaft 22, and the cleaning shaft 22 is connected to a cleaning frame 9, and the cleaning frame 9 is provided with a vertical scraper 10 corresponding to the inner wall of the mixing barrel 4; the mixing barrel 4 is connected to a conical collecting barrel 2, and the collecting barrel 2 is connected to a slag discharge pipe 1, and the vertical scraper 10 is fixedly connected with an inclined scraper 13 corresponding to the inner wall of the collecting barrel 2; the end of the mixing barrel 4 close to the collecting barrel 2 is provided with a brine pipe 3 and a feeding pipe 8, and the top of the mixing barrel 4 is provided with a discharge pipe 5.

[0019] When the utility model is in use, brine enters the mixing barrel 4 through the brine pipe 3, sodium hydroxide and sodium carbonate are added through the feeding pipe 8, and the brine, sodium hydroxide and sodium carbonate are mixed and stirred by the stirring structure to remove calcium and magnesium ions in the brine, and the calcium and magnesium precipitates flow into the next device for refining along with the brine through the discharge pipe 5; in addition, a part of the calcium and magnesium precipitates are precipitated and accumulated on the inner wall of the mixing barrel 4 and the collecting barrel 2, and the stirring structure is intermittently rotated in the reverse direction, so that the stirring structure drives the cleaning shaft 22 to rotate through the speed reduction component and the one-way bearing 21, and the cleaning shaft 22 drives the vertical scraper 10 to clean the inner wall of the mixing barrel 4 through the cleaning frame 9, so that the precipitate falls into the collecting barrel 2; in addition, the inner wall of the collecting barrel 2 is cleaned by the inclined scraper 13 to prevent the precipitate from adhering to the inner wall of the collecting barrel 2; according to the situation, the slag discharge pipe 1 is opened to discharge the precipitate in the collecting barrel 2.

[0020] In summary, by arranging the brine pipe 3 at the end of the mixing barrel 4 close to the collecting cylinder 2, a collecting cylinder 2 is arranged below the brine pipe 3, so as to facilitate the collection and storage of the sediment. By coordinating the vertical scraper 10, the inclined scraper 13, the slag discharge pipe 1, etc., the sediment is intermittently cleaned, which can effectively avoid the sediment from blocking the inlet of the brine pipe 3 and improve the stability of the use of this application.

[0021] Furthermore, if Figure 2 As shown, the stirring structure includes a motor 6 fixedly connected to the mixing barrel 4, the output end of the motor 6 is connected to a stirring shaft 15, and the stirring shaft 15 is provided with a stirring paddle 16 corresponding to the mixing barrel 4; the brine in the mixing barrel 4 is mixed and stirred by the cooperation of the motor 6, the stirring shaft 15 and the stirring paddle 16.

[0022] Furthermore, if Figure 3 As shown, the reduction assembly includes a sun gear 17 fixedly connected to the stirring shaft 15, and a ring gear 18 is fixedly connected to the mixing barrel 4; the cleaning shaft 22 is fixedly connected to a planetary carrier 20, and a one-way bearing 21 is arranged on the planetary carrier 20, and a planetary gear 19 meshing with the sun gear 17 and the ring gear 18 is rotatably connected to the planetary carrier 20; the sun gear 17, the planetary carrier 20, the planetary gear 19, and the ring gear 18 constitute a planetary gear set, the sun gear 17 is connected to the stirring shaft 15 as an input end, and the planetary carrier 20 is connected to the one-way bearing 21 as an output end.

[0023] Furthermore, a cleaning pipe 7 is provided on the top of the mixing barrel 4, and a valve is provided on the slag discharge pipe 1; when the mixing barrel 4 needs to be cleaned, cleaning liquid can be injected through the cleaning pipe 7 to clean the inside of the mixing barrel 4 and the collecting tube 2.

[0024] Furthermore, a plurality of stabilizing rings 11 fixedly connected to the vertical scraper 10 are provided below the cleaning frame 9, a synchronous frame 12 is sleeved on the stirring shaft 15, the synchronous frame 12 is fixedly connected to one of the stabilizing rings 11, and a propeller 14 corresponding to the slag discharge pipe 1 is fixedly connected to the synchronous frame 12; the stability of the vertical scraper 10 is improved by the setting of the stabilizing ring 11; in addition, the propeller 14 is rotated with the rotation of the cleaning frame 9 by the setting of the synchronous frame 12, so as to facilitate the discharge of the sediment in the collecting barrel 2; a conical slope is provided on the upper surface of the synchronous frame 12, and the accumulation of sediment on the synchronous frame 12 is avoided by the setting of the slope.

Claims

1. A primary brine refining reaction tank, characterized in that: The invention comprises a mixing barrel (4), on which a stirring structure is provided; the input end of the stirring structure is connected to a speed reducing assembly, and the output end of the speed reducing assembly is connected to a one-way bearing (21); the one-way bearing (21) is connected to a cleaning shaft (22), the cleaning shaft (22) is connected to a cleaning frame (9), and the cleaning frame (9) is provided with a vertical scraper (10) corresponding to the inner wall of the mixing barrel (4); the mixing barrel (4) is connected to a conical collecting barrel (2), the collecting barrel (2) is connected to a slag discharge pipe (1), and the vertical scraper (10) is fixedly connected to an inclined scraper (13) corresponding to the inner wall of the collecting barrel (2); a brine pipe (3) and a feeding pipe (8) are provided at the end of the mixing barrel (4) close to the collecting barrel (2), and a discharge pipe (5) is provided at the top of the mixing barrel (4).

2. The primary brine refining reaction tank according to claim 1, characterized in that: The stirring structure comprises a motor (6) fixedly connected to the mixing barrel (4); the output end of the motor (6) is connected to a stirring shaft (15); and the stirring shaft (15) is provided with a stirring paddle (16) corresponding to the mixing barrel (4).

3. The primary brine refining reaction tank according to claim 2, characterized in that: The speed reduction assembly comprises a sun gear (17) fixedly connected to the stirring shaft (15), and a ring gear (18) fixedly connected to the mixing barrel (4); the cleaning shaft (22) is fixedly connected to a planetary carrier (20), a one-way bearing (21) is arranged on the planetary carrier (20), and a planetary gear (19) meshing with the sun gear (17) and the ring gear (18) is rotatably connected to the planetary carrier (20).

4. The primary brine refining reaction tank according to claim 1, characterized in that: A cleaning pipe (7) is provided on the top of the mixing barrel (4), and a valve is provided on the slag discharge pipe (1).

5. The primary brine refining reaction tank according to claim 2, characterized in that: A plurality of stabilizing rings (11) fixedly connected to the vertical scraper (10) are provided below the cleaning frame (9).

6. The primary brine refining reaction tank according to claim 5, characterized in that: A synchronous frame (12) is sleeved on the stirring shaft (15), and the synchronous frame (12) is fixedly connected to one of the stabilizing rings (11).

7. The primary brine refining reaction tank according to claim 6, characterized in that: A propeller (14) corresponding to the slag discharge pipe (1) is fixedly connected to the synchronous frame (12).

8. The primary brine refining reaction tank according to claim 7, characterized in that: The upper surface of the synchronous frame (12) is provided with a conical slope.

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