Stirring device for leaching germanium slag by alkaline leaching and hydrofluoric acid

By designing the stirring device for alkali leaching and hydrofluoric acid leaching of germanium slags for filter slag components and stirring components, the problem of residues being unable to be separated and discharged automatically is solved, and the purity and production efficiency of germanium slag treatment are improved.

CN223189240UActive Publication Date: 2025-08-05HECHI INST OF SCI & TECH INFORMATION
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Patent Information

Application Number
CN202422461996.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-08-05
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The existing stirring devices for alkali leaching and hydrofluoric acid leaching germanium residues cannot be automatically separated and discharged, resulting in a decrease in germanium purity and reduced production efficiency.

Method used

An agitator device including a slag filter assembly and agitating assembly is designed to automatically clean and discharge the residue through a scraper and pulley system, and combined with a motor-driven agitator to accelerate reaction and transportation to ensure that the residue is discharged in time.

Benefits of technology

The timely removal of residues is achieved, the purity and production efficiency of germanium are improved, and the difficulty and cost of subsequent processing are reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stirring device for alkaline leaching and hydrofluoric acid leaching germanium slag, and relates to the technical field of stirring devices. The device comprises a platform, the top of the platform is fixedly connected with a stirring barrel, and the bottom of an inner cavity of the platform is fixedly connected with a stirring box; a residue filtering assembly is arranged in an inner cavity of the stirring box and comprises a filtering plate, the filtering plate is fixedly connected to the inner cavity of the stirring box, a reciprocating lead screw is movably connected to the top of the inner cavity of the stirring box, and a scraping plate is in threaded connection with the surface of the reciprocating lead screw. The first motor drives the transverse stirrer to rotate, the driving belt pulley and the driven belt pulley can be used for driving the reciprocating lead screw to rotate, so that the scraping plate drives residues on the surface of the filter plate to be cleaned, the scraping plate extrudes the top block and the sealing plate, and the opening and closing plate is opened; and the scraping plate can push out the residues through the residue discharging groove, so that the reaction is prevented from being influenced by residue accumulation.
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Description

Technical Field

[0001] The utility model belongs to the technical field of stirring devices, in particular to a stirring device used for alkali leaching and hydrofluoric acid leaching of germanium slag. Background Art

[0002] Hydrofluoric acid leaching is the process of treating germanium slag with hydrofluoric acid. Hydrofluoric acid can react with germanium and other metals to form soluble fluorides. Alkaline leaching is the process of mixing germanium slag with an alkaline solution (usually sodium hydroxide or ammonia water) and using the chemical reaction of the alkali to convert the germanium into soluble compounds, thereby separating it. The combination of these two methods can efficiently extract germanium resources and is widely used in the semiconductor and optoelectronic fields.

[0003] The stirring device used in the prior art for alkali leaching and hydrofluoric acid leaching of germanium slag produces a large amount of residue after hydrofluoric acid leaching. The existing stirring device cannot automatically separate and remove the residue. Failure to remove the residue in time may cause it to mix with the newly added raw materials, thereby affecting the purity of the final germanium and increasing the difficulty and cost of subsequent purification. In addition, the accumulation of a large amount of residue will occupy the space of the reactor, affecting the subsequent processing process and reducing the overall production efficiency.

[0004] To this end, we provide a stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag. Through the cooperation of a filter residue component and a stirring component, the utility model solves the problem that the stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag in the prior art is inconvenient for actively filtering and discharging the residue leached with hydrofluoric acid.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a stirring device for leaching germanium slag by alkali leaching and hydrofluoric acid leaching, comprising a platform, the top of the platform is fixedly connected to a stirring drum, and the bottom of the inner cavity of the platform is fixedly connected to a stirring box; the inner cavity of the stirring box is provided with a filter residue assembly, and the filter residue assembly comprises a filter plate, the filter plate is fixedly connected to the inner cavity of the stirring box, the top of the inner cavity of the stirring box is movably connected to a reciprocating screw, the surface of the reciprocating screw is threadedly connected to a scraper, one side of the surface of the reciprocating screw is fixedly connected to a driven pulley, and opening and closing parts are provided on both sides of the inner cavity of the stirring box; the inner cavity of the stirring drum is provided with a stirring assembly, and the stirring assembly comprises a baffle, the baffle is fixedly connected to one side of the platform, the bottom of one side of the baffle is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a horizontal stirrer, the inner cavity of the stirring drum is movably connected to a vertical stirrer, and one end of the vertical stirrer is fixedly connected to a conveying roller.

[0008] The utility model is further configured as follows: the opening and closing part includes a top plate, the top plate is fixedly connected to the tops of both sides of the mixing box, one side of the bottom of the top plate is movably connected to an opening and closing plate, one side of the opening and closing plate is fixedly connected to a spring, and one end of the spring is fixedly connected to one side of the bottom of the top plate.

[0009] The utility model is further configured such that a driving pulley is fixedly connected to one side of the surface of the horizontal agitator, and the driving pulley and the driven pulley are connected via a belt transmission.

[0010] The utility model is further configured such that slag discharge grooves are provided on the tops of both sides of the mixing box, a sealing plate is fixedly connected to one side of the opening and closing plate, and top blocks are fixedly connected to both sides of the sealing plate.

[0011] The present invention is further configured such that a second motor is fixedly connected to the top of the mixing drum, and an output end of the second motor is fixedly connected to one end of the vertical stirrer.

[0012] The present invention is further configured such that a material delivery pipe is connected to the bottom of the mixing drum, one end of the material delivery pipe extends to the inner cavity of the mixing box, and a solenoid valve is sleeved on the surface of the material delivery pipe.

[0013] The utility model is further configured such that both sides of the top of the inner cavity of the mixing box are fixedly connected with limit rods, and the surface of the limit rods is slidably connected to one side of the inner cavity of the scraper.

[0014] The utility model is further configured such that a discharge pipe is connected to the bottom of one side of the mixing box, and a valve is sleeved on the surface of the discharge pipe.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model drives the horizontal agitator to rotate by the first motor, and can use the driving pulley and the driven pulley to drive the reciprocating screw to rotate, so that the scraper drives the residue on the surface of the filter plate to clean, and the scraper presses the top block and the sealing plate to open the opening and closing plate, and the scraper can push the residue out through the residue discharge chute to prevent the residue from accumulating and affecting the reaction.

[0017] 2. The utility model can drive the vertical agitator to rotate through the operation of the second motor, thereby accelerating the reaction of hydrofluoric acid and germanium slag, and can actively convey the filter residue inside the mixing drum through the rotation of the conveying roller to prevent the filter residue from clogging the feed pipe. The operation of the first motor can drive the horizontal agitator to rotate, thereby accelerating the mixing of the leachate and the alkali, and quickly and conveniently obtaining germanium.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0020] Figure 1 This is a structural perspective diagram of a stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag;

[0021] Figure 2 An exploded view of the mixing drum and platform in the stirring device used for alkali leaching and hydrofluoric acid leaching of germanium slag;

[0022] Figure 3 It is a cross-sectional view of a stirring box in a stirring device for leaching germanium slag with alkaline leaching and hydrofluoric acid;

[0023] Figure 4 This is an exploded view of the internal structure of the stirring box in the stirring device used for alkali leaching and hydrofluoric acid leaching of germanium slag;

[0024] Figure 5 This diagram shows the top and bottom structures of a stirring device used for alkali and hydrofluoric acid leaching of germanium slag. The figure includes: 1, platform; 2, stirring drum; 3, stirring box; 4, filter plate; 5, reciprocating screw; 6, scraper; 7, driven pulley; 8, baffle; 9, first motor; 10, horizontal stirrer; 11, vertical stirrer; 12, conveyor roller; 13, top plate; 14, opening and closing plate; 15, spring; 16, driving pulley; 17, sealing plate; 18, top block; 19, second motor; 20, feed pipe. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Specific embodiment 1

[0027] See also Figure 1-5 The utility model is a stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag, comprising a platform 1, a stirring drum 2 is fixedly connected to the top of the platform 1, and a stirring box 3 is fixedly connected to the bottom of the inner cavity of the platform 1; a filter residue assembly is provided in the inner cavity of the stirring box 3, and the filter residue assembly includes a filter plate 4, which is fixedly connected to the inner cavity of the stirring box 3, a reciprocating screw 5 is movably connected to the top of the inner cavity of the stirring box 3, a scraper 6 is threadedly connected to the surface of the reciprocating screw 5, and a driven pulley 7 is fixedly connected to one side of the surface of the reciprocating screw 5, and an opening and closing piece is provided on both sides of the inner cavity of the stirring box 3; a stirring assembly is provided in the inner cavity of the stirring drum 2, and the stirring assembly includes a baffle 8, which is fixedly connected to one side of the platform 1, and a first motor 9 is fixedly connected to the bottom of one side of the baffle 8, and a horizontal stirrer 10 is fixedly connected to the output end of the first motor 9, and a vertical stirrer 11 is movably connected to the inner cavity of the stirring drum 2, and a conveying roller 12 is fixedly connected to one end of the vertical stirrer 11.

[0028] Specifically: a feed port is provided on one side of the top of the mixing drum 2, and an alkali inlet is connected to one side of the mixing box 3 to facilitate feeding. One end of the reciprocating screw 5 extends to the outside of the mixing box 3, and the extended surface is fixedly connected to the driven pulley 7. The baffle 8 is fixed on the left side of the platform 1 bracket to support the first motor 9 and the reciprocating screw 5. The horizontal agitator 10 is arranged inside the mixing box 3, and one end extends to the side of the baffle 8. The vertical agitator 11 is arranged inside the mixing drum 2 to facilitate stirring and mixing the hydrofluoric acid and germanium slag. Specific embodiment 2

[0030] See also Figure 1-5 On the basis of the specific embodiment 1, the opening and closing parts include a top plate 13, the top plate 13 is fixedly connected to the top of both sides of the mixing box 3, and an opening and closing plate 14 is movably connected to one side of the bottom of the top plate 13. A spring 15 is fixedly connected to one side of the opening and closing plate 14, and one end of the spring 15 is fixedly connected to one side of the bottom of the top plate 13. A driving pulley 16 is fixedly connected to one side of the surface of the horizontal agitator 10. The driving pulley 16 and the driven pulley 7 are connected by a belt drive. A slag trough is provided on the top of both sides of the mixing box 3, and a sealing member is fixedly connected to one side of the opening and closing plate 14. The sealing plate 17 has top blocks 18 fixedly connected on both sides of the sealing plate 17. A second motor 19 is fixedly connected to the top of the mixing drum 2. The output end of the second motor 19 is fixedly connected to one end of the vertical agitator 11. The bottom of the mixing drum 2 is connected to a feed pipe 20. One end of the feed pipe 20 extends to the inner cavity of the mixing box 3. A solenoid valve is sleeved on the surface of the feed pipe 20. Limit rods are fixedly connected on both sides of the top of the inner cavity of the mixing box 3. The surface of the limit rod is slidably connected to one side of the inner cavity of the scraper 6. The bottom of one side of the mixing box 3 is connected to a discharge pipe, and a valve is sleeved on the surface of the discharge pipe.

[0031] Specifically: the top of the opening and closing plate 14 is rotatably connected to the bottom side of the top plate 13 through a rotating shaft, and the opening and closing plate 14 can be automatically closed by the spring 15 to prevent the feed pipe 20 from overflowing when the filter residue and leachate are transported. The slag trough is opened at the top of both sides of the mixing box 3, and the bottom is connected to the top side of the filter plate 4. The sealing plate 17 can seal the slag trough to prevent leakage. One side of the top block 18 will contact one side of the scraper 6 to facilitate opening the opening and closing plate 14. The feed pipe 20 can connect the mixing drum 2 and the mixing box 3 to facilitate transporting the leachate and filter residue into the mixing box 3. The limit rod can limit the scraper 6.

[0032] The working principle of the utility model is as follows: when it is necessary to stir hydrofluoric acid leaching and alkali leaching, hydrofluoric acid and germanium slag are first transported to the inside of the mixing drum 2 through the feed port, and then the second motor 19 is started. The second motor 19 drives the vertical stirrer 11 to rotate. The vertical stirrer 11 can stir and accelerate the mixing of the hydrofluoric acid and the germanium slag, and when the leachate and the residue are transported to the mixing box 3, the conveying of the materials can be accelerated by the conveying roller 12 to prevent the conveying pipe 20 from being blocked.

[0033] When the leachate and residue are transported to the mixing box 3, the residue will remain on the surface of the filter plate 4, and the leachate will flow into the inside of the mixing box 3. At this time, the first motor 9 can be started, and the first motor 9 drives the horizontal agitator 10 to rotate. The horizontal agitator 10 accelerates the mixing of the leachate and alkali inside the mixing box 3, thereby completing the alkali leaching work, and the horizontal agitator 10 can drive the active pulley 16 to rotate, the active pulley 16 drives the driven pulley 7 to rotate, the driven pulley 7 drives the reciprocating screw 5 to rotate, and the reciprocating screw 5 drives the scraper 6 to move back and forth on the top of the filter plate 4 to clean the residue, and when the scraper 6 contacts the top block 18, it can drive the opening and closing plate 14 to rotate, so that the slag trough leaks out, and the residue is pushed out when the scraper 6 continues to move, thereby avoiding the residue occupying space.

[0034] The standard parts used in the present invention can all be purchased from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. The control method is automatically controlled by a control unit. The control circuit of the control unit can be implemented by simple programming by technicians in this field, which is common knowledge in this field. Therefore, the control method and circuit connection are no longer explained in detail in the present invention.

[0035] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to only the specific implementation methods described. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can better understand and utilize the present invention.

Claims

1. A stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag, comprising a platform (1), characterized in that: The top of the platform (1) is fixedly connected to a mixing drum (2), and the bottom of the inner cavity of the platform (1) is fixedly connected to a mixing box (3); The inner cavity of the mixing box (3) is provided with a filter residue assembly, and the filter residue assembly includes a filter plate (4), the filter plate (4) is fixedly connected to the inner cavity of the mixing box (3), a reciprocating screw (5) is movably connected to the top of the inner cavity of the mixing box (3), a scraper (6) is threadedly connected to the surface of the reciprocating screw (5), and a driven pulley (7) is fixedly connected to one side of the surface of the reciprocating screw (5), and opening and closing parts are provided on both sides of the inner cavity of the mixing box (3); The inner cavity of the mixing drum (2) is provided with a stirring assembly, the stirring assembly comprising a baffle (8), the baffle (8) being fixedly connected to one side of the platform (1), a first motor (9) being fixedly connected to the bottom of one side of the baffle (8), a horizontal stirrer (10) being fixedly connected to the output end of the first motor (9), a vertical stirrer (11) being movably connected to the inner cavity of the mixing drum (2), and a conveying roller (12) being fixedly connected to one end of the vertical stirrer (11).

2. The stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag according to claim 1, characterized in that: The opening and closing member comprises a top plate (13), the top plate (13) being fixedly connected to the tops of both sides of the mixing box (3), an opening and closing plate (14) being movably connected to one side of the bottom of the top plate (13), a spring (15) being fixedly connected to one side of the opening and closing plate (14), and one end of the spring (15) being fixedly connected to one side of the bottom of the top plate (13).

3. The stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag according to claim 1, characterized in that: A driving pulley (16) is fixedly connected to one side of the surface of the horizontal stirrer (10), and the driving pulley (16) and the driven pulley (7) are connected via a belt transmission.

4. The stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag according to claim 2, characterized in that: The tops of both sides of the mixing box (3) are provided with slag discharge grooves, one side of the opening and closing plate (14) is fixedly connected to a sealing plate (17), and both sides of the sealing plate (17) are fixedly connected to top blocks (18).

5. The stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag according to claim 1, characterized in that: A second motor (19) is fixedly connected to the top of the mixing drum (2), and an output end of the second motor (19) is fixedly connected to one end of the vertical stirrer (11).

6. The stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag according to claim 1, characterized in that: The bottom of the mixing drum (2) is connected to a material delivery pipe (20), one end of the material delivery pipe (20) extends to the inner cavity of the mixing box (3), and a solenoid valve is sleeved on the surface of the material delivery pipe (20).

7. The stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag according to claim 1, characterized in that: Limit rods are fixedly connected to both sides of the top of the inner cavity of the mixing box (3), and the surface of the limit rods is slidably connected to one side of the inner cavity of the scraper (6).

8. The stirring device for alkali leaching and hydrofluoric acid leaching of germanium slag according to claim 1, characterized in that: The bottom of one side of the mixing box (3) is connected to a discharge pipe, and a valve is sleeved on the surface of the discharge pipe.