Separating device for producing anhydrous aluminum fluoride

Abstract

The utility model discloses a separation device for anhydrous aluminum fluoride production, and relates to the technical field of anhydrous aluminum fluoride production equipment. The device comprises a treatment tank, a cooling tank is installed on the upper portion in the treatment tank, the bottom of the cooling tank is conical, a feeding hopper is installed on the top of the cooling tank, and a first gear is fixedly arranged at the position, above the treatment tank, of the feeding hopper. A second gear meshed with the first gear is rotationally arranged on the outer wall of the treatment tank, a discharging pipe is fixedly installed at the bottom of the cooling tank, a discharging valve is installed on the discharging pipe, and a sealing plate is fixedly arranged on the discharging pipe. The cooling tank is driven by the driving motor to rotate, so that the cooling tank rotates in cooling water, the relative movement of the cooling water and the surface of the cooling tank is increased to form turbulent flow, the heat exchange efficiency is enhanced, the temperature in a solution is rapidly reduced, the crystallization efficiency is remarkably improved, and the problem that the cooling crystallization speed is low due to the fact that the solution is static in traditional water circulation cooling is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to anhydrous aluminium fluoride production equipment technical field, concretely is a kind of separation device for anhydrous aluminium fluoride production. BACKGROUND

[0002] Anhydrous aluminium fluoride is widely used in electrolytic aluminium industry, can be used as flux, reduce the primary crystal temperature of electrolyte, control heat balance;Now anhydrous aluminium fluoride production process needs to cool crystallization to the solution after reaction, subsequently needs to separate the crystal and solution after crystallization, dry treatment is carried out to the anhydrous aluminium fluoride crystal separated, to remove the moisture in it, obtain anhydrous aluminium fluoride product;

[0003] In the cooling crystallization separation process, water circulation is usually used for cooling, but the solution stored in this way is still in a static state, which leads to relatively low cooling crystallization, resulting in low processing efficiency, and in the subsequent separation, filter screen is used for filtering, but as the discharge is near the center of the filter screen, which is very easy to cause the filter screen to be blocked, affecting the separation and filtration effect. SUMMARY

[0004] To solve the above problems, the purpose of the utility model is to provide a kind of separation device for anhydrous aluminium fluoride production.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of separation device for anhydrous aluminium fluoride production, including processing jar, the upper portion in the processing jar is equipped with cooling tank, the bottom of the cooling tank is conical, the top of the cooling tank is equipped with feed hopper, the feed hopper is located in the upper portion of processing jar and is fixedly provided with first gear, the outer wall of the processing jar is rotatably provided with second gear which is engaged with the first gear, the bottom of the cooling tank is fixedly provided with discharge pipe, the discharge pipe is provided with discharge valve, the discharge pipe is fixedly provided with closure plate, the lower portion of the discharge pipe is provided with separation tank, the discharge pipe is inserted into the top of the separation tank through the closure plate, the separation tank is movably inserted with partition, one end of the partition in the separation tank is provided with ceramic filter membrane.

[0006] Preferably, the upper and lower ends of the cooling tank are fixedly provided with rotating plates, which are movably inserted into the inner wall of the processing tank.

[0007] Preferably, one end of the closure plate is L-shaped, and an electric push rod is fixedly arranged on the vertical end of the closure plate facing one side of the separation tank, and the output end of the electric push rod is coaxially fixed on the separation tank.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] 1. By driving the cooling tank to rotate through the drive motor, the cooling tank rotates in the cooling water, which increases the relative motion between the cooling water and the surface of the cooling tank to form turbulence, enhances the heat exchange efficiency, and allows the temperature inside the solution to drop rapidly, which significantly improves the crystallization efficiency and overcomes the problem of slow cooling and crystallization speed caused by the static solution in traditional water circulation cooling.

[0010] 2. The electric push rod moves the separation box, causing the ceramic filter membrane to move at the bottom of the discharge pipe, changing the discharge position and avoiding filtration in only one place. This effectively solves the problem of easy clogging of the ceramic filter membrane due to the fixed discharge position, ensuring the stability and continuity of the separation and filtration effect, and improving the reliability and efficiency of the entire separation process. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Fig. 1 This is a schematic diagram of the overall structure of this utility model.

[0013] Fig. 2 This is a schematic diagram of the cooling tank structure of this utility model.

[0014] Fig. 3 This is a schematic diagram of the separation box structure of this utility model.

[0015] In the diagram: 1. Processing tank; 11. Cooling tank; 12. Feed hopper; 13. Rotating plate; 14. Rubber sealing gasket; 15. First gear; 16. Second gear; 17. Drive motor; 18. Water inlet pipe; 19. Water outlet pipe; 2. Discharge pipe; 21. Discharge valve; 22. Sealing plate; 23. Electric push rod; 3. Separation box; 31. Partition plate; 32. Ceramic filter membrane; 33. Drain pipe; 34. Pull-out trough. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example: Figs. 1-3The utility model provides a kind of separating device for anhydrous aluminium fluoride production, including processing tank 1, cooling tank 11 is equipped in the upper portion of processing tank 1, the bottom of cooling tank 11 is conical, the top of cooling tank 11 is equipped with feed hopper 12, feed hopper 12 is located in the upper portion of processing tank 1 and is fixed with first gear 15, the outer wall of processing tank 1 is rotatably equipped with second gear 16 meshing with first gear 15, discharge pipe 2 is fixedly installed on the bottom of cooling tank 11, discharge valve 21 is installed on discharge pipe 2, discharge pipe 2 is fixedly provided with closure plate 22, discharge pipe 2 is equipped with separation tank 3 below, discharge pipe 2 is inserted into the top of separation tank 3 by closure plate 22, separation tank 3 is movably inserted with baffle 31, ceramic filter membrane 32 is installed at one end of baffle 31 in separation tank 3.

[0018] Driving motor 17 is fixedly installed on the outer wall of processing tank near second gear 16, the output end of driving motor 17 is coaxially fixed at the center of second gear 16, and the driving motor 17 can provide power for the rotation of first gear 15 driven by second gear 16, which is convenient for the operator to operate.

[0019] Rotating plate 13 is fixedly provided at the upper and lower ends of cooling tank 11, and rotating plate 13 is movably inserted into the inner wall of processing tank 1, and rotating plate 13 is provided to support and stabilize the rotation of cooling tank 11 in processing tank 1; rubber sealing gasket 14 is fixedly provided on the outer wall of rotating plate 13, which can increase the sealing performance of the two rotating plates 13 during rotation and prevent the leakage of cooling water; water inlet pipe 18 and water outlet pipe 19 are installed on the rotating plate 13 located above the processing tank 1, and the water outlet pipe 19 is higher than the water inlet pipe 18; the water outlet pipe 19 and the water inlet pipe 18 can be connected to the pump body to form a space for the circulation of cooling water.

[0020] One end of closure plate 22 is L-shaped, and electric push rod 23 is fixedly provided on one side of separation tank 3 facing the vertical end of closure plate 22, and the output end of electric push rod 23 is coaxially fixed on separation tank 3, so that ceramic filter membrane 32 on baffle 31 can move to the bottom of discharge pipe 2 when discharge pipe 2 discharges, which can avoid filtering and separating at only one place and solve the problem of easy blockage; a plurality of drain pipes 33 are installed on one side of the bottom of separation tank 3, and the plurality of drain pipes 33 can separate the crystal from the solution and quickly discharge the solution to avoid accumulation for subsequent discharge; pullout groove 34 is formed at one end of baffle 31 away from ceramic filter membrane 32, which facilitates the operator to pull baffle 31 away from separation tank 3 and facilitates the collection of separated crystals.

[0021] Working principle: when using, the solution that needs to be cooled and crystallized is transported from the feeding hopper 12 to the cooling tank 11, before that, the cooling water will be filled between the two rotating plates 13, at this time, the cooling water will circulate through the water inlet pipe 18 and the water outlet pipe 19 to carry out water circulation operation, the cooling tank 11 will be preliminarily cooled, after a period of time, the driving motor 17 drives the first gear 15 to rotate through the second gear 16, at this time, the first gear 15 will directly drive the cooling tank 11 to rotate, when the surface of the cooling tank 11 rotates in the cooling water, the relative motion of the cooling water and the surface of the cooling tank 11 increases the heat exchange efficiency, the rotating motion makes the cooling water form a turbulent flow on the surface of the object, this turbulent flow state helps the heat to be transferred from the surface of the object to the cooling water faster, thereby accelerating the cooling process, this process is mainly aimed at the hot gas in the middle of the tank body, makes it rotate to the edge for cooling, after waiting for a period of time, stop the driving motor 17, cooperate with the subsequent water circulation operation, achieve the purpose of rapidly reducing the temperature of the solution and improving the crystallization efficiency;

[0022] After waiting for a period of time, the discharge valve 21 will open the discharge pipe 2 when the crystallization is completed, at this time, the crystals and the remaining solution will flow into the ceramic filter membrane 32 below, at the same time, the electric push rod 23 pushes the separation box 3 to move, so that the ceramic filter membrane 32 on the partition plate 31 moves at the bottom of the discharge pipe 2, so that the discharge filtration separation is only carried out at one place, the problem of easy blockage is solved;

[0023] After waiting for the separation to be completed, the drain pipe 33 can separate the crystals from the solution and then quickly discharge the solution, the pulling groove 34 facilitates the staff to pull the partition plate 31 away from the separation box 3, and facilitates the collection of the separated crystals.

[0024] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A separation device for the production of anhydrous aluminium fluoride, comprising a treatment tank (1), characterised in that: The upper part of the processing tank (1) is provided with a cooling tank (11), the bottom of the cooling tank (11) is conical, the top of the cooling tank (11) is provided with a feeding hopper (12), the feeding hopper (12) is provided with a first gear (15) above the processing tank (1), the outer wall of the processing tank (1) is rotatably provided with a second gear (16) engaged with the first gear (15), the bottom of the cooling tank (11) is fixedly provided with a discharge pipe (2), the discharge pipe (2) is provided with a discharge valve (21), the discharge pipe (2) is fixedly provided with a closing plate (22), the lower part of the discharge pipe (2) is provided with a separation tank (3), the discharge pipe (2) is inserted into the top of the separation tank (3) through the closing plate (22), the separation tank (3) is movably provided with a partition plate (31), one end of the partition plate (31) in the separation tank (3) is provided with a ceramic filter membrane (32).

2. The separation device for producing anhydrous aluminum fluoride according to claim 1, characterized in that, The outer wall of the processing tank is fixedly provided with a driving motor (17) near the second gear (16), and the output end of the driving motor (17) is coaxially fixed at the center of the second gear (16).

3. The separation device for producing anhydrous aluminum fluoride according to claim 1, characterized in that, The upper and lower ends of the cooling tank (11) are fixedly provided with rotating plates (13), which are movably inserted into the inner wall of the processing tank (1).

4. The separation apparatus for producing anhydrous aluminum fluoride according to claim 3, wherein The outer wall of the rotating plate (13) is fixedly provided with a rubber sealing gasket (14).

5. The apparatus according to claim 3, wherein the apparatus is characterized by: The processing tank (1) is provided with a water inlet pipe (18) and a water outlet pipe (19) near the upper rotating plate (13), and the water outlet pipe (19) is higher than the water inlet pipe (18).

6. The apparatus according to claim 1, wherein One end of the closing plate (22) is L-shaped, and the vertical end of the closing plate (22) is fixedly provided with an electric push rod (23) facing one side of the separation tank (3), and the output end of the electric push rod (23) is coaxially fixed on the separation tank (3).

7. The apparatus according to claim 6, wherein the apparatus is characterized by: The bottom of the separation tank (3) is provided with a plurality of drain pipes (33).

8. The apparatus according to claim 6, wherein the apparatus is characterized by: One end of the partition plate (31) away from the ceramic filter membrane (32) is provided with a pulling groove (34).

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