Defluorination device for extraction

Abstract

The utility model relates to a defluorination device for extraction. The defluorination device comprises a reaction kettle; the stirring assembly comprises a rotating seat, blades, first cutting grooves and second cutting grooves, the rotating seat is fixedly connected with the stirring shaft, the multiple blades are fixedly installed on the rotating seat, the first cutting grooves are formed in the wall faces of the blades, and the multiple second cutting grooves are formed in the edge positions of the blades. Solution near the bottom of the reaction kettle is stirred through the spiral blade, the solution forms vortex from top to bottom, and the solution is sheared by matching with the first cutting groove and the second cutting groove on the wall surface of the blade, so that the solution forms a plurality of branches after being pushed by the blade; meanwhile, a certain cavitation effect is formed when the solution makes contact with the sawtooth faces of the blades, mixing of the solution is promoted, the solution is extruded and mixed in cooperation with a plurality of cutting plates on the inner wall of the reaction kettle, the mixing effect and efficiency are greatly improved, and sufficient mixing of the fluorine removal agent and the solution is promoted.

Description

Technical Field

[0001] This utility model relates to the field of chemical production technology, and in particular to a defluorination device for extraction. Background Technology

[0002] The defluorination method for manganese sulfide is similar to that for manganese sulfate, and extraction can also be used. Fluoride ions in manganese sulfide solution can affect subsequent processes and product quality, so defluorination treatment is necessary.

[0003] The prior art discloses a defluorination device for extracting high-purity manganese sulfate solution (publication number: CN220459957U), which includes a storage tank. The top of the storage tank is connected to an injection pipe for injecting defluorinating agent and solution into the storage tank. The outer wall of the storage tank is connected to a drain pipe for discharging the solution from the storage tank. The storage tank is equipped with a mixing mechanism for stirring the solution inside the storage tank.

[0004] Existing technologies use stirring rods to agitate materials and promote the mixing of solutions and solvents. However, for extraction solutions, due to the physical properties of the extractant, the solution and solvent will separate into layers. Conventional horizontal stirring is difficult to ensure the convection effect between the upper and lower layers, thus limiting the contact and mixing of the reaction solvent and solution, leaving room for optimization. Utility Model Content

[0005] The present invention mainly addresses the technical problem of poor convection effect between upper and lower layers of materials, and provides a defluorination device for extraction.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a defluorination device for extraction, comprising:

[0007] The reactor has material pipes fixedly installed at both the top and bottom. A stirring shaft is rotatably connected inside the reactor cavity, and several cutting plates are fixedly installed on the inner wall of the reactor.

[0008] A stirring assembly is installed on the wall of a stirring shaft for mixing materials. The stirring assembly includes a rotating seat, blades, a first cutting groove, and a second cutting groove. The rotating seat is connected to the bottom end of the stirring shaft. Several blades are installed on the rotating seat in a circular array. The wall of the blades has a first cutting groove, and several second cutting grooves are formed at the outer edge of the blades. The blades form a serrated cutting surface through the second cutting grooves, and the blades can stir the materials to form a vortex.

[0009] A protective cover assembly, located outside the outer cover, is used to guide materials.

[0010] This invention provides a defluorination device for extraction. It has the following beneficial effects:

[0011] 1. This defluorination extraction device uses a stirring shaft to drive a rotating seat and various blades in circumferential motion. The spiral blades agitate the solution near the bottom of the reactor, creating a vortex from top to bottom, which promotes convection between the upper and lower layers of material. The first and second cutting grooves on the blade walls shear the solution, causing it to split into several streams after being pushed by the blades. At the same time, the solution creates a certain cavitation effect when it comes into contact with the serrated surface of the blades, promoting mixing. In conjunction with several cutting plates on the inner wall of the reactor, the liquid pushed by the blades impacts the cutting plates, causing the solution to be squeezed and mixed, greatly improving the mixing effect and efficiency, and promoting thorough mixing of the defluorinating agent and the solution.

[0012] 2. This defluorination device for extraction, by setting an outer cover, forms a cover structure around the rotating seat. When the blades move in a circular motion with the rotating seat, sufficient back pressure can be formed in the outer cover cavity. The liquid is drawn into the outer cover cavity from the feed tank, pushed by the blades, and discharged from various outlets. As a result, the vortex formed by the solution will be stronger, promoting the convection of the upper and lower liquid layers. The trumpet-shaped guide cover can guide the liquid into the feed tank, and the outlet can cut the solution, guide and divert the solution, thereby improving the mixing effect. Attached Figure Description

[0013] Figure 1 This is a perspective view of the entire utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the reaction vessel of this utility model;

[0015] Figure 3 This is a partial sectional view of the reaction vessel of this utility model;

[0016] Figure 4 This is a perspective view of the stirring component and the protective cover component of this utility model;

[0017] Figure 5 This is an assembly drawing of the stirring component and the protective cover component of this utility model.

[0018] Legend: 10. Reactor; 11. Feed pipe; 12. Stirring shaft; 13. Cutting plate; 20. Outer cover; 21. Flow guide; 22. Feed trough; 23. Discharge port; 30. Rotary seat; 31. Blade; 32. First cutting groove; 33. Second cutting groove. Detailed Implementation

[0019] A defluorination device for extraction, such as Figure 1 , Figure 2 and Figure 3 As shown, it includes:

[0020] The reactor 10 has feed pipes 11 fixedly installed at both its top and bottom. A stirring shaft 12 is rotatably connected inside the reactor 10. Several cutting plates 13 are fixedly installed on the inner wall of the reactor 10. A motor is fixedly installed at the top of the reactor 10. The stirring shaft 12 is fixedly connected to the output shaft of the motor. A bushing is fixedly installed on the inner bottom surface of the reactor 10. The lower end of the stirring shaft 12 is rotatably connected to the bushing. Manganese sulfide solution, extractant, and defluorinating agent are added through the feed pipes 11 at the top of the reactor 10. The stirring shaft 12 agitates the material to promote thorough mixing of the solution and the defluorinating agent, thereby achieving defluorination of the manganese sulfide solution. Details are omitted here.

[0021] like Figure 3 , Figure 4 and Figure 5 As shown, the stirring assembly is disposed on the wall of the stirring shaft 12 for mixing materials. The stirring assembly includes a rotating seat 30, blades 31, a first cutting groove 32, and a second cutting groove 33. The rotating seat 30 is connected to the bottom end of the stirring shaft 12. Several blades 31 are mounted on the rotating seat 30 in a circular array. The first cutting groove 32 is opened on the wall of the blades 31, and several second cutting grooves 33 are opened at the outer edge of the blades 31. The blades 31 form a sawtooth-shaped cutting surface through the second cutting grooves 33. The blades 31 can stir the materials to form a vortex.

[0022] The rotating seat 30 forms a circular plate structure, and the diameter of the rotating seat 30 is smaller than the inner diameter of the reactor 10. Several blades 31 are arranged in a ring array at equal intervals on the top of the rotating seat 30. The blades 31 form a spiral folded plate structure. The two side walls of the blades 31 form a front-flow surface and a back-flow surface, respectively. The first cutting groove 32 is opened in the middle of the blade 31 and forms a funnel-shaped groove with a gradually narrowing opening. The second cutting groove 33 is opened on the side wall of the blade 31 away from the stirring shaft 12 and is a rectangular groove.

[0023] In this design, the opening of the first cutting groove 32 gradually narrows from the front of the blade to the back of the blade, ensuring that the liquid forms a stream after passing through the first cutting groove 32. The stirring shaft 12 drives the rotating seat 30 and each blade 31 to move in a circular motion. The spiral blades 31 agitate the solution near the bottom of the reactor 10, and the solution forms a vortex from top to bottom. The first and second cutting grooves 32 and 33 on the wall of the blades 31 shear the solution, causing the solution to form several streams after being pushed by the blades 31. At the same time, the solution will also form a certain cavitation effect when it comes into contact with the serrated surface of the blades 31, promoting the mixing of the solution. In conjunction with the several cutting plates 13 on the inner wall of the reactor 10, the liquid pushed by the blades 31 will hit each cutting plate 13, causing the solution to be squeezed and mixed, greatly improving the mixing effect and efficiency, and promoting the full mixing of the defluorinating agent and the solution.

[0024] like Figure 4and Figure 5 As shown, the protective cover assembly is disposed outside the outer cover 20 for guiding materials. The protective cover assembly includes an outer cover 20, a flow guide 21, a feed trough 22, and a discharge port 23. The flow guide 21 is fixedly connected to the outer cover 20, and the outer cover 20 is fixedly connected to the reactor 10. The feed trough 22 is opened on the top surface of the outer cover 20, and the discharge port 23 is opened on the side wall of the outer cover 20. The outer cover 20 forms a cylindrical structure, and the flow guide 21 forms a funnel structure. The smaller port of the flow guide 21 is fixedly connected to the top of the outer cover 20. The rotating seat 30 is disposed in the cavity of the outer cover 20. The feed trough 22 forms a horizontal cross-section C-shaped slot, and several discharge ports 23 are equidistantly opened on the outer circumferential surface of the outer cover 20.

[0025] In this scheme, as a supplementary explanation to the above scheme, in order to ensure that the blades 31 can push the solution and form a vortex during the rotation of the rotating seat 30, an outer cover 20 is set up. The outer cover 20 forms a cover structure around the rotating seat 30. When the blades 31 move in a circle with the rotating seat 30, sufficient back pressure can be formed in the cavity of the outer cover 20. The liquid is drawn into the cavity of the outer cover 20 from the feed tank 22, pushed by the blades 31, and discharged from each discharge port 23. As a result, the vortex formed by the solution will be stronger, promoting the convection of the upper and lower liquid layers. The trumpet-shaped guide cover 21 can guide the liquid into the feed tank 22, and the discharge port 23 can cut the solution, guide and divert the solution, so as to improve the mixing effect.

[0026] The working principle of this invention: The stirring shaft 12 drives the rotating seat 30 and each blade 31 to move in a circular motion. The spiral blades 31 agitate the solution near the bottom of the reaction vessel 10, forming a vortex from top to bottom. Combined with the first and second cutting grooves 32 and 33 on the blade 31 wall, the solution is sheared, causing it to split into several streams after being pushed by the blades 31. Simultaneously, when the solution contacts the serrated surface of the blades 31, a certain cavitation effect is formed, promoting mixing. An outer cover 20 is provided, forming a cover structure around the rotating seat 30. As the blades 31 rotate with the rotating seat 30, sufficient back pressure is generated inside the outer cover 20 cavity. The liquid is drawn into the outer cover 20 cavity from the feed trough 22, pushed by the blades 31, and discharged from each outlet 23. As a result, the vortex formed by the solution becomes stronger, promoting the convection of the upper and lower liquid layers. The trumpet-shaped guide shroud 21 can guide the liquid into the feed trough 22, and the outlet 23 can cut the solution, guide and divert the solution. The circumferentially flowing liquid impacts each cutting plate 13, and the liquid pushed by the blades 31 will impact each cutting plate 13, causing the solution to be squeezed and mixed here.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A defluorination device for extraction, characterized in that, include: The reactor (10) has a material pipe (11) fixedly installed at the top and bottom. The reactor (10) is rotatably connected to a stirring shaft (12). Several cutting plates (13) are fixedly installed on the inner wall of the reactor (10). A stirring assembly is installed on the wall of the stirring shaft (12) for mixing materials. The stirring assembly includes a rotating seat (30), blades (31), a first cutting groove (32), and a second cutting groove (33). The rotating seat (30) is connected to the bottom end of the stirring shaft (12). Several blades (31) are installed in a ring array on the rotating seat (30). The first cutting groove (32) is opened on the wall of the blade (31), and several second cutting grooves (33) are opened at the outer edge of the blade (31). The blade (31) forms a sawtooth-shaped cutting surface through the second cutting grooves (33). The blade (31) can stir the material to form a vortex. A protective cover assembly is disposed outside the outer cover (20) for guiding materials.

2. The defluorination device for extraction according to claim 1, characterized in that: The rotating seat (30) forms a circular plate structure, and the diameter of the rotating seat (30) is smaller than the inner diameter of the reactor (10).

3. The defluorination device for extraction according to claim 1, characterized in that: The blade (31) forms a spiral folded plate structure, and the two side walls of the blade (31) form an upstream surface and a downstream surface, respectively.

4. The defluorination device for extraction according to claim 1, characterized in that: The first cutting groove (32) is located in the middle of the blade (31), and the first cutting groove (32) forms a funnel-shaped opening that gradually narrows.

5. The defluorination device for extraction according to claim 1, characterized in that: The second cutting groove (33) is opened on the side wall of the blade (31) away from the stirring shaft (12), and the second cutting groove (33) is a rectangular groove.

6. The defluorination apparatus for extraction according to any one of claims 1-5, characterized in that: The protective cover assembly includes an outer cover (20), a flow guide (21), a feed trough (22), and a discharge port (23). The flow guide (21) is fixedly connected to the outer cover (20), and the outer cover (20) is fixedly connected to the reactor (10). The feed trough (22) is opened on the top surface of the outer cover (20), and the discharge port (23) is opened on the side wall of the outer cover (20).

7. The defluorination device for extraction according to claim 6, characterized in that: The outer cover (20) forms a cylindrical structure, the flow guide (21) forms a funnel structure, the smaller port of the flow guide (21) is fixedly connected to the top of the outer cover (20), and the rotating seat (30) is set inside the cavity of the outer cover (20).

8. The defluorination device for extraction according to claim 6, characterized in that: The feed trough (22) forms a C-shaped slot with a horizontal cross section, and the outer circumference of the outer cover (20) is provided with several discharge ports (23) at equal intervals.

Images