Acid leaching filter residue precipitation filtering equipment
By designing an acid leaching residue sedimentation and filtration device with a motor-driven gear and stirring plate rotation inside the cylinder, the problems of low filtration efficiency and difficulty in removing sediment in the original filter residue sedimentation and filtration device are solved. This achieves efficient solid-liquid separation and acid recovery, improving the overall efficiency of the equipment and the quality of acid leaching.
Patent Information
- Application Number
- CN202520524467.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing acid leaching residue sedimentation filtration equipment has low filtration efficiency, the filter holes are easily clogged, and the sediment is not easy to be discharged, which affects the efficiency of the filtration equipment.
A sedimentation and filtration device for acid leaching residue, comprising a cylinder, a filter cylinder, a collection hopper, and a motor-driven system, was designed. The device utilizes a motor to drive gears and a stirring plate to rotate, generating centrifugal force to separate solids and liquids. Combined with a heater, the quality of acid leaching is improved, and acid is recovered through a pump to reduce waste.
It improves solid-liquid separation efficiency, homogenizes acid leaching quality, reduces acid waste, and simplifies the cleaning process of precipitates.
Smart Images

Figure CN223930870U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of acid leaching precipitation filtration technology, specifically to an acid leaching filter residue precipitation filtration device. Background Technology
[0002] Acid leaching is a hydrometallurgical process that uses acidic solutions to extract target metals or compounds from solid materials. It is widely used in metal extraction, mineral processing, and waste recycling. Acid leaching residue precipitation refers to the process by which insoluble residues from solid materials, after acid treatment, are separated through filtration or precipitation during acid leaching.
[0003] The existing acid leaching filter residue produces sediment with low filtration efficiency, and the sediment produced by filtration is not easy to discharge. In addition, the filter plates are prone to clogging after long-term filtration, which leads to a decrease in filtration efficiency and affects the efficiency of the filtration equipment. Utility Model Content
[0004] The purpose of this invention is to provide an acid leaching residue sedimentation and filtration device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an acid leaching residue sedimentation and filtration device, comprising a cylinder, the top of which is fixedly connected to a feed inlet, the bottom of which is provided with a discharge outlet, the outer side of which is fixedly connected to a recovery box, the discharge outlet being rotatably connected to a filter cylinder, the bottom of which is fixedly connected to a collection hopper, the outer side of which is fixedly connected to a driven gear, a motor fixedly installed at the bottom of the recovery box, the output end of which is fixedly connected to a drive gear, the inner wall of which is fixedly connected to a fixed plate, the fixed plate being fixedly connected to a connecting rod, the outer side of which is fixedly connected to a guide plate, a cleaning plate being provided inside the filter cylinder, the outer side of which is fixedly connected to a stirring plate, a heater being fixedly installed inside the cylinder, and a pump body being provided at the bottom of the cylinder, the input end of which is fixedly connected to a liquid inlet pipe, and the output end of which is fixedly connected to a return pipe.
[0006] Preferably, heaters are evenly and symmetrically arranged inside the cylinder, and the inside of the cylinder is connected to the inside of the return pipe.
[0007] Preferably, the outer side of the discharge port is rotatably connected to the filter cylinder via a sealed bearing sleeve, and the filter cylinder has several filter holes on its side.
[0008] Preferably, the collecting hopper is funnel-shaped, and the outer side of the collecting hopper is rotatably connected to the bottom surface of the recycling box via a sealed bearing.
[0009] Preferably, the bottom end of the collection hopper extends to the bottom of the recycling box and is fixedly connected to the driven gear. The driven gear and the driving gear are uniform bevel gears, and the driving gear meshes with the driven gear.
[0010] Preferably, the top of the cleaning plate is fixedly connected to the discharge port, and the cleaning plates are evenly distributed in a circumferential array on the inner wall of the filter cylinder.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This invention uses a motor to drive a gear, which in turn drives a driven gear to rotate a collection hopper and a filter cylinder. The rotation of the filter cylinder generates centrifugal force to separate the acid and precipitate, improving the efficiency of solid-liquid separation. A fixed plate synchronously rotates the connecting rod and the stirring plate, making the heat distribution of the solution inside the cylinder more uniform and improving the quality of acid leaching. Subsequently, a pump pumps the acid from the recovery tank back into the cylinder through a return pipe to achieve acid recovery and reuse, reducing acid waste. The collection hopper collects the precipitate and facilitates its discharge and cleaning. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is an internal sectional view of the overall structure of this utility model;
[0015] Figure 3 This is a cross-sectional view of the internal structure of the recycling bin of this utility model;
[0016] Figure 4 This is a cross-sectional view of the filter cylinder and collection hopper structure of this utility model.
[0017] In the diagram: 1. Cylinder; 2. Inlet; 3. Outlet; 4. Recovery box; 5. Filter cylinder; 6. Collection hopper; 7. Driven gear; 8. Motor; 9. Drive gear; 10. Fixing plate; 11. Connecting rod; 12. Guide plate; 13. Cleaning plate; 14. Stirring plate; 15. Heater; 16. Pump body; 17. Liquid inlet pipe; 18. Return pipe. Detailed Implementation
[0018] 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.
[0019] Please see Figure 1-4This utility model provides a technical solution: an acid leaching residue sedimentation and filtration device, comprising a cylinder 1, the top of the cylinder 1 being welded and fixed to the inlet 2, the bottom of the cylinder 1 being fixedly connected to the outlet 3, the interior of the cylinder 1 communicating with the inlet 2 and the outlet 3, the outer side of the outlet 3 being welded and fixed to the recovery box 4, the outlet 3 being rotatably connected to the filter cylinder 5, the bottom of the filter cylinder 5 being welded and fixed to the collection hopper 6, the outer side of the collection hopper 6 being welded and fixed to the driven gear 7, the bottom of the recovery box 4 being fixedly connected to the motor 8 by bolts, and the output end of the motor 8 being connected to the drive gear. 9. Welding and fixing: The inner wall of the collection hopper 6 is welded and fixed to the fixing plate 10. The fixing plate 10 is welded and fixed to the connecting rod 11. The outer side of the connecting rod 11 is welded and fixed to the guide plate 12. The bottom surface of the recovery box 4 is fixedly connected to the cleaning plate 13. The cleaning plate 13 is attached to the inner wall of the filter cylinder 5. The outer side of the connecting rod 11 is welded and fixed to the stirring plate 14. The inside of the cylinder 1 is connected and fixed to the heater 15 by bolts. A pump body 16 is installed at the bottom of the cylinder 1. The input end of the pump body 16 is welded and fixed to the liquid inlet pipe 17. The output end of the pump body 16 is welded and fixed to the return pipe 18.
[0020] Heaters 15 are evenly and symmetrically arranged inside the cylinder 1. The inside of the cylinder 1 is connected to the inside of the return pipe 18. The acid solution inside the cylinder 1 can be heated by the heaters 15, thereby improving the efficiency of acid leaching. At the same time, the rotation of the connecting rod 11 and the heaters 15 can effectively improve the fixation of materials and the effect of acid leaching.
[0021] The outer side of the discharge port 3 is rotatably connected to the filter cylinder 5 via a sealed bearing sleeve. Several filter holes are opened on the side of the filter cylinder 5. The collection hopper 6 is funnel-shaped to prevent sediment from adhering to its surface and making cleaning difficult. It also facilitates the discharge of sediment collected inside the collection hopper 6 from the bottom. The outer side of the collection hopper 6 is rotatably connected to the bottom of the recovery box 4 via a sealed bearing. The collection hopper 6 drives the filter cylinder 5 to rotate. The centrifugal force generated by the rotation of the filter cylinder 5 further promotes the solid-liquid mixing efficiency. The guide plate 12 is located inside the discharge port 3. The edge of the guide plate 12 extends downwards at an angle, and a guide groove is provided on its surface. The guide plate 12 prevents the solid-liquid mixture from falling directly into the collection hopper 6. The rotation of the guide plate 12 effectively throws the acid and sediment to the inner wall of the filter cylinder 5 for filtration.
[0022] The bottom of the collecting hopper 6 extends to the bottom of the recycling box 4 and is welded and fixed to the driven gear 7. The driven gear 7 and the driving gear 9 are uniformly bevel gears, and the driving gear 9 meshes with the driven gear 7. The top of the cleaning plate 13 is welded and fixed to the discharge port 3. The cleaning plates 13 are evenly distributed in a circumferential array on the inner wall of the filter cylinder 5. The motor 8 causes the driving gear 9 to drive the collecting hopper 6 and the driven gear 7 to rotate, which in turn drives the collecting hopper 6 and the connecting rod 11 to rotate synchronously, and further drives the filter cylinder 5 and the stirring plate 14 to rotate.
[0023] Working principle: During use, acid and solid materials are fed into the cylinder 1 through the feed inlet 2. The acid inside the cylinder 1 is heated by the heater 15. The motor 8 drives the drive gear 9 to rotate the collection hopper 6 and the driven gear 7, which in turn drives the collection hopper 6 and the connecting rod 11 to rotate synchronously. The rotation of the connecting rod 11 and the stirring plate 14 makes the solid and liquid mixture inside the cylinder 1 more uniform, improving the quality of acid leaching. Then, the solid and liquid mixture enters the collection hopper 6 through the discharge outlet 3. The guide plate 12 guides the solid and liquid mixture to the side of the filter cylinder 5. The collection hopper 6 drives the filter cylinder 5 to rotate, and the centrifugal force enhances the separation effect of the filter cylinder 5 on the acid and the precipitate. The liquid is filtered and collected in the recovery tank 4. The pump 16 makes the acid in the recovery tank 4 flow back into the cylinder 1 through the return pipe 18 to achieve circulation, reducing the waste of acid. The precipitate filtered by the filter cylinder 5 falls into the bottom of the collection hopper 6. The precipitate can be cleaned by opening the sealing cover at the bottom of the collection hopper 6.
[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An acid leaching residue sedimentation and filtration device, comprising a cylindrical body (1), characterized in that: The top of the cylinder (1) is fixedly connected to the inlet (2), and the bottom of the cylinder (1) is provided with an outlet (3). The outer side of the outlet (3) is fixedly connected to the recycling box (4). The outlet (3) is rotatably connected to the filter cylinder (5). The bottom of the filter cylinder (5) is fixedly connected to the collection hopper (6). The outer side of the collection hopper (6) is fixedly connected to the driven gear (7). A motor (8) is fixedly installed at the bottom of the recycling box (4). The output end of the motor (8) is fixedly connected to the drive gear (9). The inner wall of the collection hopper (6) is fixedly connected to the fixed plate (1). 0) Fixed connection, the fixed plate (10) is fixedly connected to the connecting rod (11), the outer side of the connecting rod (11) is fixedly connected to the guide plate (12), the filter cylinder (5) is provided with a cleaning plate (13), the outer side of the connecting rod (11) is fixedly connected to the stirring plate (14), the cylinder (1) is fixedly installed with a heater (15), the bottom of the cylinder (1) is provided with a pump body (16), the input end of the pump body (16) is fixedly connected to the liquid inlet pipe (17), and the output end of the pump body (16) is fixedly connected to the return pipe (18).
2. The acid leaching residue sedimentation and filtration equipment according to claim 1, characterized in that: The cylinder (1) is symmetrically and uniformly arranged with heaters (15) inside, and the inside of the cylinder (1) is connected to the inside of the return pipe (18).
3. The acid leaching residue sedimentation and filtration equipment according to claim 1, characterized in that: The discharge port (3) is rotatably connected to the filter cylinder (5) via a sealed bearing sleeve on the outside, and the filter cylinder (5) has several filter holes on its side.
4. The acid leaching residue sedimentation and filtration equipment according to claim 1, characterized in that: The collection hopper (6) is funnel-shaped, and the outer side of the collection hopper (6) is rotatably connected to the bottom surface of the recycling box (4) through a sealed bearing.
5. The acid leaching residue sedimentation and filtration equipment according to claim 1, characterized in that: The bottom end of the collection hopper (6) extends to the bottom of the recycling box (4) and is fixedly connected to the driven gear (7). The driven gear (7) and the drive gear (9) are uniform bevel gears, and the drive gear (9) meshes with the driven gear (7).
6. The acid leaching residue sedimentation and filtration equipment according to claim 1, characterized in that: The top of the cleaning plate (13) is fixedly connected to the discharge port (3), and the cleaning plate (13) is evenly distributed in a circumferential array on the inner wall of the filter cylinder (5).