Zinc oxide powder neutralizer lixivium recovery device

By designing a zinc oxide powder neutralizing agent leaching liquid recovery device, using the combination of the filter body and the filter device, the problems of insufficient uniformity of zinc oxide powder neutralizing agent addition and low recovery efficiency are solved, and efficient filtration and recycling effects are achieved.

CN222998389UActive Publication Date: 2025-06-20CHONGQING MINGJIU NONFERROUS METAL CO LTD
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Patent Information

Application Number
CN202422212651.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-06-20
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

In the prior art, the addition uniformity of zinc oxide powder neutralizing agent is insufficient, which affects the precipitation of the leaching liquid and has a low recovery efficiency.

Method used

A zinc oxide powder neutralizer leaching liquid recovery device is designed, including a filter body and a filter device. Through the combination of the filter tube and the filter cloth support tube, uniform filtration and efficient recovery are achieved.

Benefits of technology

The filtering effect and recovery efficiency of the zinc oxide powder neutralizing agent leaching solution are improved, the stability of the filter cake and the increase of the filter area are ensured, and the filtering capacity of the filter cloth is quickly restored.

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Abstract

The utility model relates to the technical field of recovery devices, and discloses a zinc oxide powder neutralizer leachate recovery device, which comprises a filter body and a filter device, the filter device is movably connected in the filter body, the filter device comprises a filter pipe, a central pipe is movably connected in the middle of the filter pipe, and the central pipe is movably connected in the filter body. The outer side of the central pipe is movably connected with a filter cloth supporting pipe, the outer side of the filter cloth supporting pipe is in a concave-convex porous shape, the outer side of the filter cloth supporting pipe is movably connected with filter cloth, a gap for liquid to flow is reserved between the inner bottom of the filter cloth supporting pipe and the bottom of the central pipe, and the top of the central pipe is movably connected with a liquid collecting pipe. The back surface of the liquid collecting pipe is fixedly connected with a liquid outlet; according to the utility model, leachate enters from the bottom of the filter pipe, penetrates through the filter cloth and flows into the central pipe from the pores on the filter cloth supporting pipe, and the concave-convex filter cloth supporting pipe increases the filter area and prevents a filter cake from falling off, thereby being beneficial to improving the filter effect.
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Description

Technical Field

[0001] The utility model relates to the technical field of recycling devices, and more specifically to a recycling device for leaching solution of zinc oxide powder neutralizer. Background Art

[0002] Zinc oxide (also known as zinc white powder, zinc white, zinc oxide white), is an inorganic compound, a white solid, and a form of zinc oxide. Zinc oxide is insoluble in water and ethanol, soluble in acids, sodium hydroxide solution, and ammonium chloride. It is a commonly used chemical additive and is widely used in the production of plastics, silicate products, synthetic rubber, lubricating oil, paint coatings, ointments, adhesives, food, batteries, flame retardants and other products. Zinc oxide has a large band gap and exciton binding energy, high transparency, and excellent room temperature luminescence performance, and is used in products such as liquid crystal displays, thin film transistors, and light emitting diodes in the semiconductor field; zinc oxide powder neutralizer is usually used to treat leaching solution containing acidic substances to achieve the effect of recycling and utilization.

[0003] The addition of zinc oxide powder neutralizer is often carried out manually, resulting in insufficient uniformity of the addition of the neutralizer, affecting the precipitation of the leaching solution, and thus affecting the recycling efficiency during filtration and recycling; secondly, after filtration, the clear liquid is usually discharged, and then the filter residue is manually processed for recycling, resulting in low recycling efficiency. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a recycling device for leaching solution of zinc oxide powder neutralizer to solve the problems existing in the above background art.

[0005] The utility model provides the following technical solution: A recycling device for leaching solution of zinc oxide powder neutralizer, including a filter body and a filtering device. The filtering device is movably connected inside the filter body. The top of the filter body is movably connected with a kettle cover, and the side of the kettle cover is movably connected with a fastening device. The filtering device includes a filter tube. A central tube is movably connected in the middle of the filter tube. A filter cloth support tube is movably connected outside the central tube. The outside of the filter cloth support tube is in a concave-convex porous shape, and a filter cloth is movably connected outside the filter cloth support tube. A gap for liquid flow is left between the bottom inside the filter cloth support tube and the bottom of the central tube. The top of the central tube is movably connected with a liquid collecting tube, and a liquid outlet is fixedly connected to the back of the liquid collecting tube.

[0006] Further, the filter body includes a filter housing. A support bracket is fixedly connected to the middle outside of the filter housing. Support legs are fixedly connected to the outside of the bottom of the filter housing. A liquid inlet is fixedly connected to the position near the bottom on the front of the filter housing.

[0007] Furthermore, a filter cake outlet is fixedly connected to the bottom of the filter housing. A sealing cover is movably connected to the bottom of the filter cake outlet. Fixing bolts are movably connected to the four surrounding sides of the bottom of the sealing cover, and the fixing bolts are movably connected to the inside of the filter cake outlet.

[0008] Furthermore, the kettle cover includes a cover body. A tailing spray port is fixedly connected to the middle of the top of the cover body. An overflow exhaust port is fixedly connected to one side of the top of the cover body. An instrument interface is fixedly connected to the other side of the top of the cover body. Fixing parts are fixedly connected to the outside of the cover body.

[0009] Furthermore, the fastening device includes a mounting part. The back of the mounting part is fixedly connected to the outside of the filter body. A rotating part is movably connected to the inside of the mounting part. A connecting rod is fixedly connected to the top of the rotating part. Threads are provided on the outer top of the connecting rod.

[0010] Furthermore, a sleeve is movably connected to the outer top of the connecting rod. Threads are provided on the inner side of the sleeve, and the sleeve is threadedly connected to the connecting rod. A handle is fixedly connected to the top of the sleeve.

[0011] The technical effects and advantages of the present utility model:

[0012] 1. By providing a filtering device, the zinc oxide powder neutralizer leaching solution in the external mixing tank is pumped into the filter body from the liquid inlet. The leaching solution enters the filter tube from the bottom of the filter tube, passes through the filter cloth and flows into the pores on the filter cloth support tube, and then flows to the central tube and the liquid collecting tube. The filter cloth is pressed against the outer surface of the filter cloth support tube. The concave and convex filter cloth support tube increases the filtering area and at the same time assists in fixing the filter cake to prevent the filter cake from falling off, which is beneficial to improving the filtering effect.

[0013] 2. By providing a liquid outlet, after the filtered clear liquid is discharged from the liquid outlet, reverse blowing gas is introduced into the liquid outlet, flows from the bottom of the central tube to the filter cloth support tube through the liquid collecting tube, the filter cloth bulges and becomes round, shakes off and peels off the filter cake, and the filter cake falls from the filter cake outlet and is collected, which is beneficial to removing the fine particles in the filter cloth fibers, improving the reverse blowing effect, and quickly restoring the filtering ability of the filter cloth. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0015] Figure 2 It is a schematic cross-sectional structure diagram of the filter body of the present utility model.

[0016] Figure 3 It is a schematic cross-sectional structure diagram of the filtering device of the present utility model.

[0017] Figure 4This is a schematic structural diagram of the kettle cover and fastening device of the present utility model.

[0018] The reference numerals are: 1, filter body; 101, filter housing; 102, support bracket; 103, support leg; 104, liquid inlet; 105, filter cake outlet; 106, sealing cover; 107, fixing bolt; 2, filtering device; 201, filter tube; 202, central tube; 203, filter cloth support tube; 204, liquid collecting tube; 205, liquid outlet; 3, kettle cover; 301, cover body; 302, tailing spray port; 303, overflow exhaust port; 304, instrument interface; 305, fixing member; 4, fastening device; 401, mounting member; 402, rotating member; 403, connecting rod; 404, sleeve; 405, handle. Detailed implementation manners

[0019] Next, the technical solutions in the present utility model will be clearly and completely described in conjunction with the drawings in the present utility model. In addition, the forms of each structure recorded in the following implementation manners are merely examples, and a zinc oxide powder neutralizer leaching solution recovery device related to the present utility model is not limited to the structures recorded in the following implementation manners. All other implementation manners obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0020] Referring to Figures 1-4 , the present utility model provides a zinc oxide powder neutralizer leaching solution recovery device, including a filter body 1 and a filtering device 2. The filtering device 2 is movably connected inside the filter body 1. The kettle cover 3 is movably connected to the top of the filter body 1. The fastening device 4 is movably connected to the side of the kettle cover 3. The filtering device 2 includes a filter tube 201. The central tube 202 is movably connected to the middle inside the filter tube 201. The filter cloth support tube 203 is movably connected to the outside of the central tube 202. The outside of the filter cloth support tube 203 is in a concave-convex porous shape, and a filter cloth is movably connected to the outside of the filter cloth support tube 203. There is a gap for liquid flow between the bottom inside the filter cloth support tube 203 and the bottom of the central tube 202. The liquid collecting tube 204 is movably connected to the top of the central tube 202. The liquid outlet 205 is fixedly connected to the back of the liquid collecting tube 204. By pumping the zinc oxide powder neutralizer leaching solution in the external stirring tank from the liquid inlet 104 into the filter body 1, the leaching solution enters the filter tube 201 from the bottom of the filter tube 201, passes through the filter cloth and flows into the pores on the filter cloth support tube 203, and then flows to the central tube 202 and the liquid collecting tube 204. The filter cloth is pressed against the outer surface of the filter cloth support tube 203. The concave-convex filter cloth support tube 203 increases the filtering area and assists in fixing the filter cake to prevent the filter cake from falling off, which is beneficial to improving the filtering effect.

[0021] In a preferred embodiment, the filter body 1 includes a filter housing 101. A support bracket 102 is fixedly connected to the middle of the outer side of the filter housing 101. Support legs 103 are fixedly connected to the outer side of the bottom of the filter housing 101. A liquid inlet 104 is fixedly connected to the position near the bottom on the front surface of the filter housing 101.

[0022] In a preferred embodiment, a filter cake outlet 105 is fixedly connected to the bottom of the filter housing 101. A sealing cover 106 is movably connected to the bottom of the filter cake outlet 105. Fixing bolts 107 are movably connected to the four peripheries of the bottom of the sealing cover 106, and the fixing bolts 107 are movably connected inside the filter cake outlet 105. After the filtered clear liquid is discharged from the liquid outlet 205, backflush gas is introduced into the liquid outlet 205, flows from the bottom of the central tube 202 to the filter cloth support tube 203 through the liquid collecting tube 204, the filter cloth bulges and becomes round, the filter cake is vibrated and peeled off, and the filter cake falls from the filter cake outlet 105 and is collected, which is beneficial to removing the fine particles in the filter cloth fibers, improving the backflush effect, and quickly restoring the filtering ability of the filter cloth.

[0023] In a preferred embodiment, the kettle lid 3 includes a lid body 301. A tailing spray port 302 is fixedly connected to the middle of the top of the lid body 301. An overflow exhaust port 303 is fixedly connected to one side of the top of the lid body 301. An instrument interface 304 is fixedly connected to the other side of the top of the lid body 301. A fixing member 305 is fixedly connected to the outer side of the lid body 301.

[0024] In a preferred embodiment, the fastening device 4 includes a mounting member 401. The back of the mounting member 401 is fixedly connected to the outer side of the filter body 1. A rotating member 402 is movably connected inside the mounting member 401. A connecting rod 403 is fixedly connected to the top of the rotating member 402. Threads are provided on the outer top of the connecting rod 403.

[0025] In a preferred embodiment, a sleeve 404 is movably connected to the outer top of the connecting rod 403. Threads are provided on the inner side of the sleeve 404, and the sleeve 404 is threadedly connected to the connecting rod 403. A handle 405 is fixedly connected to the top of the sleeve 404.

[0026] Working principle of the utility model: During use, the zinc oxide powder neutralizing agent leaching solution in the external stirring tank is pumped into the filter body 1 from the liquid inlet 104. The leaching solution enters the filter tube 201 from the bottom of the filter tube 201, passes through the filter cloth and flows into the pores on the filter cloth support tube 203, and then flows to the central tube 202 and the liquid collecting tube 204. The filter cloth is pressed against the outer surface of the filter cloth support tube 203. The concave and convex filter cloth support tube 203 increases the filtration area and at the same time assists in fixing the filter cake to prevent the filter cake from falling off, which is beneficial to improving the filtration effect. After the filtered clear liquid is discharged from the liquid outlet 205, the remaining residual liquid is discharged from the other drain pipes at the bottom of the filter housing 101. Remove the fixing bolt 107 on the sealing cover 106, open the sealing cover 106, introduce backflush gas into the liquid outlet 205, flow from the liquid collecting tube 204 to the bottom of the central tube 202 and then to the filter cloth support tube 203. The filter cloth bulges and becomes round, vibrating and peeling off the filter cake. The filter cake falls from the filter cake outlet 105 and is collected, which is beneficial to removing the fine particles in the filter cloth fibers, improving the backflush effect, and quickly restoring the filtration capacity of the filter cloth. By connecting an instrument through the instrument interface 304 on the kettle cover 3, the pressure inside the filter can be displayed on the instrument. The inside of the filter can be cleaned through the tailing spray port 302. When closing the kettle cover 3, by rotating the connecting rod 403 and the rotating part 402, the connecting rod 403 is moved into the inside of the fixing part 305, and the handle 405 is rotated. The handle 405 drives the sleeve 404 to move spirally downward on the connecting rod 403. After the sleeve 404 is fastened to the fixing part 305, it stops moving, and the kettle cover 3 is fixed to the filter body 1.

[0027] Finally: The above are only the preferred embodiments of the utility model and are not used to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A zinc oxide powder neutralizer leachate recovery device, comprising a filter body (1) and a filter device (2), characterized in that: The filter body (1) is movably connected to a filter device (2) inside, the top of the filter body (1) is movably connected to a kettle cover (3), the side of the kettle cover (3) is movably connected to a fastening device (4), the filter device (2) comprises a filter tube (201), the middle of the filter tube (201) is movably connected to a central tube (202), the outer side of the central tube (202) is movably connected to a filter cloth support tube (203), the outer side of the filter cloth support tube (203) is concave-convex and porous, and the outer side of the filter cloth support tube (203) is movably connected to the filter cloth, a gap for liquid flow is left between the inner bottom of the filter cloth support tube (203) and the bottom of the central tube (202), the top of the central tube (202) is movably connected to a liquid collecting tube (204), and the back side of the liquid collecting tube (204) is fixedly connected to a liquid outlet (205).

2. A zinc oxide powder neutralizer leachate recovery device according to claim 1, characterized in that: The filter body (1) comprises a filter housing (101), a support bracket (102) being fixedly connected to the middle of the outer side of the filter housing (101), a support leg (103) being fixedly connected to the outer side of the bottom of the filter housing (101), and a liquid inlet (104) being fixedly connected to the front side of the filter housing (101) near the bottom.

3. A zinc oxide powder neutralizer leachate recovery device according to claim 2, characterized in that: The bottom of the filter housing (101) is fixedly connected to a filter cake outlet (105), the bottom of the filter cake outlet (105) is movably connected to a sealing cover (106), the bottom of the sealing cover (106) is movably connected to fixing bolts (107) around the bottom, and the fixing bolts (107) are movably connected inside the filter cake outlet (105).

4. A zinc oxide powder neutralizer leachate recovery device according to claim 1, characterized in that: The kettle cover (3) comprises a cover body (301), a tailing material spray port (302) is fixedly connected to the middle of the top of the cover body (301), an overflow exhaust port (303) is fixedly connected to one side of the top of the cover body (301), an instrument interface (304) is fixedly connected to the other side of the top of the cover body (301), and a fixing piece (305) is fixedly connected to the outer side of the cover body (301).

5. A zinc oxide powder neutralizer leachate recovery device according to claim 1, characterized in that: The fastening device (4) comprises a mounting member (401), the back side of which is fixedly connected to the outer side of the filter body (1), the interior of the mounting member (401) is movably connected to a rotating member (402), the top of the rotating member (402) is fixedly connected to a connecting rod (403), and the outer top of the connecting rod (403) is provided with a thread.

6. A zinc oxide powder neutralizer leachate recovery device according to claim 5, characterized in that: The outer top of the connecting rod (403) is movably connected with a sleeve (404), the inner side of the sleeve (404) is provided with a thread, and the sleeve (404) and the connecting rod (403) are threadedly connected, and the top of the sleeve (404) is fixedly connected with a handle (405).