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CN-224226836-U - Copper-containing oxide treatment system

CN224226836UCN 224226836 UCN224226836 UCN 224226836UCN-224226836-U

Abstract

The utility model belongs to the technical field of copper-containing waste liquid treatment, and discloses a copper-containing oxide treatment system which comprises a pulping device, a conversion device and a separation device, wherein the pulping device comprises a pulping tank, the pulping tank is used for accommodating copper-containing oxide and stirring and pulping the copper-containing oxide to form slurry, the conversion device comprises a first reaction tank, a second reaction tank and a sulfuric acid storage tank, the slurry discharged from the pulping tank can be respectively transmitted into the first reaction tank and the second reaction tank, sulfuric acid in the sulfuric acid storage tank can be respectively transmitted into the first reaction tank and the second reaction tank, the slurry and sulfuric acid can react to generate solution, the separation device comprises a centrifuge, the first reaction tank and the second reaction tank are respectively connected with the centrifuge, the solution discharged from the first reaction tank and the second reaction tank can be transmitted to the centrifuge, and the centrifuge is configured to centrifuge the solution to obtain copper sulfate pentahydrate crystals and centrifugate. The utility model can further maximize the value of the copper-containing waste liquid.

Inventors

  • FANG WEN
  • ZHOU HUANHUAN
  • ZOU HUI

Assignees

  • 盛隆资源再生（无锡）有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (10)

  1. 1. A copper-containing oxide treatment system, comprising: A pulping device (100) comprising a pulping tank (1), wherein the pulping tank (1) is used for containing copper-containing oxide and stirring and pulping the copper-containing oxide to form a slurry; The conversion device (200) comprises a first reaction tank (2), a second reaction tank (3) and a sulfuric acid storage tank (4), wherein the first reaction tank (2) and the second reaction tank (3) are respectively connected with the pulping tank (1), the first reaction tank (2) and the second reaction tank (3) are respectively connected with the sulfuric acid storage tank (4), the slurry discharged from the pulping tank (1) can be respectively transmitted into the first reaction tank (2) and the second reaction tank (3), the sulfuric acid in the sulfuric acid storage tank (4) can be respectively transmitted into the first reaction tank (2) and the second reaction tank (3), and the slurry and the sulfuric acid can react to generate a solution; Separation device (300), including centrifuge (5), first retort (2) with second retort (3) respectively with centrifuge (5) interconnect, first retort (2) with second retort (3) exhaust solution can be transmitted to centrifuge (5), centrifuge (5) are configured to with solution centrifugation obtains copper sulfate pentahydrate crystallization and centrate.
  2. 2. The copper-containing oxide treatment system according to claim 1, wherein, The conversion device (200) further comprises a first cooling component (6) and a second cooling component (7), wherein the first cooling component (6) is connected to the first reaction tank (2) and used for cooling the first reaction tank (2), and the second cooling component (7) is connected to the second reaction tank (3) and used for cooling the second reaction tank (3).
  3. 3. A copper-containing oxide treatment system according to claim 2, wherein, The first cooling assembly (6) comprises a first jacket (61), a first heat pump unit (62), a first suction pipeline (63) and a first return pipeline (64), wherein the first jacket (61) is arranged outside the first reaction tank (2) and inside the first jacket (61) is used for containing cooling medium, and the first suction pipeline (63) and the first return pipeline (64) are respectively connected between the first jacket (61) and the first heat pump unit (62); The second cooling assembly (7) comprises a second jacket (71), a second heat pump unit (72), a second suction pipeline (73) and a second return pipeline (74), wherein the second jacket (71) is arranged outside the second reaction tank (3) and inside the second jacket (71) for accommodating cooling medium, and the second suction pipeline (73) and the second return pipeline (74) are respectively connected between the second jacket (71) and the second heat pump unit (72).
  4. 4. A copper-containing oxide treatment system according to claim 3, The first return line (64) is provided with a first regulating valve (10) and a first flowmeter (20), and the second return line (74) is provided with a second regulating valve (30) and a second flowmeter (40).
  5. 5. The copper-containing oxide treatment system according to claim 1, wherein, Stirring paddles (50) are arranged inside the first reaction tank (2) and the second reaction tank (3).
  6. 6. The copper-containing oxide treatment system according to claim 5, wherein, The discharge port of the first reaction tank (2) is connected with a first aeration device (21), and the discharge port of the second reaction tank (3) is connected with a second aeration device (31).
  7. 7. The copper-containing oxide treatment system according to claim 1, wherein, The separation device (300) further comprises a backwater storage tank (8), wherein the backwater storage tank (8) is connected to the centrifugal machine (5) and is used for receiving and temporarily storing the centrifugal filtrate discharged by the centrifugal machine (5).
  8. 8. The copper-containing oxide treatment system according to claim 7, wherein, The water return storage tank (8) is connected between the centrifugal machine (5) and the beating tank (1), a water return lifting pump (60) is arranged between the water return storage tank (8) and the beating tank (1), and the water return lifting pump (60) is used for conveying centrifugal filtrate in the water return storage tank (8) to the inside of the beating tank (1).
  9. 9. The copper-containing oxide treatment system according to claim 1, wherein, The pulping device (100) further comprises a feeding mechanism (9), the feeding mechanism (9) is connected to the pulping tank (1), and the feeding mechanism (9) is used for conveying the copper-containing oxide into the pulping tank (1).
  10. 10. The copper-containing oxide treatment system according to claim 1, wherein, And a discharge hole of the beating tank (1) is connected with a third aeration device (11).

Description

Copper-containing oxide treatment system Technical Field The utility model relates to the technical field of copper-containing waste liquid treatment, in particular to a copper-containing oxide treatment system. Background In the industries of metal processing, electronic plating, PCB manufacturing and the like, a large amount of copper-containing waste liquid is often generated due to the process requirement, and the waste liquid has high copper ion concentration and high treatment difficulty and can cause serious harm to ecological environment and human health if improperly treated. At present, a neutralization precipitation method is generally adopted in industry as a basic treatment means, namely, a copper-containing byproduct is obtained through relevant conversion, for example, copper ions are converted into copper oxide such as copper oxide and copper hydroxide, and the treatment method realizes preliminary recovery of copper resources, but the obtained copper-containing oxide product has lower added value, has limited market application range and cannot fully embody the potential value of the copper resources. Therefore, there is a need to provide a copper-containing oxide processing system to solve the above-mentioned problems. Disclosure of utility model The utility model aims to provide a copper-containing oxide treatment system which can further maximize the value of copper-containing waste liquid. To achieve the purpose, the utility model adopts the following technical scheme: The present utility model provides a copper-containing oxide treatment system comprising: The pulping device comprises a pulping tank, wherein the pulping tank is used for accommodating copper-containing oxide and pulping the copper-containing oxide to form slurry; The conversion device comprises a first reaction tank, a second reaction tank and a sulfuric acid storage tank, wherein the first reaction tank and the second reaction tank are respectively connected with the pulping tank, the first reaction tank and the second reaction tank are respectively connected with the sulfuric acid storage tank, the slurry discharged from the pulping tank can be respectively transmitted into the first reaction tank and the second reaction tank, the sulfuric acid in the sulfuric acid storage tank can be respectively transmitted into the first reaction tank and the second reaction tank, and the slurry and the sulfuric acid can react to generate a solution; The separation device comprises a centrifugal machine, the first reaction tank and the second reaction tank are respectively connected with the centrifugal machine, the dissolution liquid discharged from the first reaction tank and the second reaction tank can be transmitted to the centrifugal machine, and the centrifugal machine is configured to centrifuge the dissolution liquid to obtain copper sulfate pentahydrate crystals and centrifugate. In some embodiments, the conversion device further comprises a first cooling assembly connected to the first reaction tank and configured to cool the first reaction tank, and a second cooling assembly connected to the second reaction tank and configured to cool the second reaction tank. In some embodiments, the first cooling assembly includes a first jacket, a first heat pump unit, a first suction line, and a first return line, the first jacket being disposed outside the first reaction tank and inside the first jacket for containing a cooling medium, the first suction line and the first return line being connected between the first jacket and the first heat pump unit, respectively; The second cooling assembly comprises a second jacket, a second heat pump unit, a second suction pipeline and a second return pipeline, the second jacket is arranged outside the second reaction tank, cooling medium is contained in the second jacket, and the second suction pipeline and the second return pipeline are respectively connected between the second jacket and the second heat pump unit. In some embodiments, the first return line is provided with a first regulator valve and a first flow meter, and the second return line is provided with a second regulator valve and a second flow meter. In some embodiments, the first and second reaction tanks are each provided with a stirring paddle inside. In some embodiments, the discharge port of the first reaction tank is connected with a first aeration device, and the discharge port of the second reaction tank is connected with a second aeration device. In some embodiments, the separation device further comprises a backwater storage tank connected to the centrifuge and configured to receive and temporarily store the centrate discharged by the centrifuge. In some embodiments, the backwater storage tank is connected between the centrifuge and the beating tank, a backwater lift pump is arranged between the backwater storage tank and the beating tank, and the backwater lift pump is used for conveying the centrate in the backwater