Waste liquid treatment replacement tank with high raw material utilization rate

Abstract

The utility model provides a waste liquid treatment replacement tank with a high raw material utilization rate, the waste liquid treatment replacement tank comprises a tank body, a stirring mechanism arranged on the tank body and an iron powder adsorption mechanism arranged in the tank body, the iron powder adsorption mechanism comprises a plurality of electromagnet adsorption assemblies arranged on the inner wall of the tank body, and the electromagnet adsorption assemblies are arranged in the circumferential direction of the inner wall of the tank body at intervals; the stirring mechanism is used for stirring the copper-containing acid etching liquid in the tank body, the electromagnet adsorption assemblies are arranged in the tank body, the magnetism of iron powder is utilized, in the replacement reaction process, the electromagnet adsorption assemblies are intermittently powered on, and then excessive iron powder in the reaction process can be adsorbed to the electromagnet adsorption assemblies; the iron powder adsorption amount on the surface of the sponge copper can be effectively reduced, the situation that excessive iron powder is deposited at the bottom of the tank body is effectively avoided, the utilization efficiency of the iron powder is greatly improved, and the device has the advantages of being high in structural stability, conforming to the green chemical production concept and being convenient to popularize and implement.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of waste liquid recovery, and particularly relates to a waste liquid treatment displacement tank with high raw material utilization rate. BACKGROUND

[0002] In the prior art, an acidic etching liquid is a liquid used for chemical treatment of a metal surface, mainly used for etching a metal layer, and is widely used in the manufacturing process of a printed circuit board (PCB). The acidic etching liquid can remove the unnecessary part of the metal surface through a chemical reaction, so as to form an accurate circuit pattern. The acidic etching liquid usually contains a large amount of copper ions and hydrochloric acid, and can effectively etch the copper layer while reducing the damage to other metal layers.

[0003] In the prior art, high-purity sponge copper can be obtained by recycling and treating the copper-containing acidic etching liquid, the copper-containing acidic etching liquid can be regenerated, the emission of pollutants can be reduced, and the production concept of green chemistry can be met. In the prior art, the displacement treatment method is a commonly used method for treating the copper-containing acidic etching liquid. Excessive iron powder is added to the copper-containing acidic etching liquid, so that the copper ions in the etching liquid are reduced to metallic copper, and then sponge copper precipitate is formed.

[0004] In the prior art, the following problems exist in the treatment of the copper-containing acidic etching liquid by using the displacement method: the utilization rate of the iron powder is low. During the displacement reaction process, excessive iron powder usually needs to be added. Part of the iron powder particles will be adsorbed on the surface of the metallic copper, and part of the iron powder will be deposited at the bottom of the displacement tank. On the one hand, the iron residual rate in the sponge copper powder is high, and the sponge copper needs to be purified twice. On the other hand, the inside of the displacement tank needs to be cleaned frequently to avoid the iron powder from blocking the displacement tank, which will cause a large amount of waste of the iron powder and significantly increase the cost of recycling and treating the copper-containing acidic etching liquid. Therefore, improvement is needed. CONTENT OF THE INVENTION

[0005] The application is proposed to solve the technical problem in the prior art that the copper-containing acidic etching liquid needs to be treated by using the displacement method, excessive iron powder needs to be put into the copper-containing acidic etching liquid to displace the copper ions in the etching liquid into sponge copper. During the process of putting in the iron powder, part of the iron powder will be adsorbed on the surface of the sponge copper, and part of the iron powder will be deposited at the bottom of the displacement tank. On the one hand, the sponge copper needs to be purified twice. On the other hand, the displacement tank needs to be cleaned regularly. A large amount of iron powder will be wasted during the cleaning process. The utilization rate of the iron powder is low in the whole process, and the implementation cost is high. Therefore, the application provides a waste liquid treatment displacement tank with high raw material utilization rate.

[0006] The application adopts the following scheme, a waste liquid treatment displacement tank with high raw material utilization rate, comprising a tank body, a stirring mechanism arranged on the tank body, and an iron powder adsorption mechanism arranged in the tank body, the stirring mechanism is used for stirring the copper-containing acidic etching liquid in the tank body, and the iron powder adsorption mechanism is used for adsorbing the iron powder in the tank body, the iron powder adsorption mechanism comprises a plurality of electromagnet adsorption assemblies arranged on the inner wall of the tank body, and the plurality of electromagnet adsorption assemblies are arranged in a circumferential direction of the inner wall of the tank body.

[0007] In some possible embodiments, the electromagnet adsorption assembly comprises a connecting assembly arranged on the inner wall of the tank body, and an electromagnet body arranged on the connecting assembly, the electromagnet body is detachably arranged on the inner wall of the tank body through the connecting assembly.

[0008] In some possible embodiments, the connecting assembly comprises a mounting groove arranged on the inner wall of the tank body, a mounting seat matched and arranged in the mounting groove, a plurality of connecting holes arranged in a length direction of the mounting seat, and a connecting groove arranged on the mounting seat, the connecting groove is arranged in the length direction of the mounting seat, and the electromagnet body is matched and arranged in the connecting groove.

[0009] In some possible embodiments, the electromagnet body comprises a connecting portion and an adsorption portion arranged on the connecting portion, the connecting portion can be matched and arranged into the connecting groove, so that the electromagnet body is detachably arranged on the inner wall of the tank body, and the adsorption portion is used for adsorbing the iron powder in the tank body.

[0010] In some possible embodiments, in the high raw material utilization rate displacement tank,

[0011] The distance between the two ends of the connecting portion is defined as A;

[0012] The distance between the two ends of the adsorption portion is defined as B;

[0013] The A and the B satisfy the following relationship: 2.5≤B / A≤3.5.

[0014] In some possible embodiments, the electromagnet adsorption assembly further comprises a collection net sleeved on the outer periphery of the electromagnet body, the material of the collection net is an elastic material, and when the collection net is sleeved on the outer periphery of the electromagnet body, the collection net is used for collecting the iron powder adsorbed by the electromagnet body.

[0015] In some possible embodiments, a support is further included, the support comprises a support leg, a first support plate arranged on the support leg, a plurality of support columns arranged on the first support plate, and a second support plate arranged on the plurality of support columns, and the tank body is arranged on the first support plate.

[0016] In some possible embodiments, the stirring mechanism comprises a driving member arranged on the second support plate, a stirring rod arranged on the driving end of the driving member, and stirring blades arranged on the stirring rod, wherein the stirring blades are arranged at intervals along the length direction of the stirring rod, and the driving member is configured to drive the stirring rod to rotate relative to the tank body, so as to drive the stirring blades to rotate relative to the tank body.

[0017] In some possible embodiments, the stirring blades comprise a stirring blade body detachably arranged on the stirring rod, and a stirring hole arranged on the stirring blade body, wherein the length of the stirring hole is defined as L, the height of the stirring hole is defined as H, and the L and the H satisfy the following relationship: 10≤L / H≤13.5.

[0018] In some possible embodiments, the tank body is arranged on the first support plate through a flange arranged on the outer periphery of the tank body, wherein the flange is provided with a plurality of fixing holes.

[0019] Compared with the prior art, the application has the following beneficial effects:

[0020] The application provides a waste liquid treatment displacement tank with high raw material utilization rate, which comprises a tank body, a stirring mechanism arranged on the tank body, and an iron powder adsorption mechanism arranged in the tank body, wherein the iron powder adsorption mechanism comprises a plurality of electromagnet adsorption assemblies arranged on the inner wall of the tank body, the plurality of electromagnet adsorption assemblies are arranged at intervals in the circumferential direction of the inner wall of the tank body, and the stirring mechanism is configured to stir the copper-containing acidic etching liquid in the tank body. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the waste liquid treatment displacement tank with high raw material utilization rate provided in the application;

[0022] Figure 2 is a top view of the waste liquid treatment displacement tank with high raw material utilization rate provided in the application;

[0023] Figure 3 is a sectional view of A-A in the application Figure 2

[0024] Figure 4 is a front view of the waste liquid treatment displacement tank with high raw material utilization rate provided in the application;

[0025] ​Figure 5 This application Figure 4 Sectional view at point BB;

[0026] Figure 6 This is an exploded structural diagram of a waste liquid treatment displacement tank with high raw material utilization rate according to this application;

[0027] Figure 7 This is a schematic diagram of the structure of the electromagnet adsorption assembly of this application;

[0028] Figure 8 This is an exploded structural diagram of the electromagnet adsorption component of this application;

[0029] Figure 9 This is a schematic diagram of the assembly structure of the electromagnet adsorption component and the collection net in this application;

[0030] Figure 10 This is a schematic diagram of the stirring mechanism of this application. Detailed Implementation

[0031] Combination Figures 1-10 The content shown further illustrates the technical solution provided in this application: a waste liquid treatment replacement tank with high raw material utilization rate, including a tank body 1, a stirring mechanism 2 disposed on the tank body 1, and an iron powder adsorption mechanism 3 disposed inside the tank body 1. The stirring mechanism 2 is used to stir the copper-containing acidic etching solution inside the tank body 1, and the iron powder adsorption mechanism 3 is used to adsorb the iron powder inside the tank body 1. The iron powder adsorption mechanism 3 includes a plurality of electromagnet adsorption components 4 disposed on the inner wall of the tank body 1, and the plurality of electromagnet adsorption components 4 are arranged circumferentially along the inner wall of the tank body 1.

[0032] This application provides a waste liquid treatment displacement tank with high raw material utilization rate, which includes a tank body, a stirring mechanism disposed on the tank body, and an iron powder adsorption mechanism disposed inside the tank body. The iron powder adsorption mechanism includes multiple electromagnet adsorption components disposed on the inner wall of the tank body. The multiple electromagnet adsorption components are arranged circumferentially along the inner wall of the tank body. The stirring mechanism is used to stir the copper-containing acidic etching solution inside the tank body. By setting multiple electromagnet adsorption components inside the tank body, and utilizing the magnetism of the iron powder itself, the electromagnet adsorption components are intermittently energized during the displacement reaction, thereby adsorbing the excess iron powder during the reaction onto the electromagnet adsorption components. This can effectively reduce the amount of iron powder adsorbed on the surface of the sponge copper, effectively avoid the situation where excessive iron powder is deposited at the bottom of the tank body, and greatly improve the utilization efficiency of iron powder. It has the advantages of high structural stability, conformity with the concept of green chemical production, and ease of promotion and implementation.

[0033] In the implementation process of the embodiment, the electromagnet adsorption assembly 4 comprises a connecting assembly 40 arranged on the inner wall of the tank body 1, and an electromagnet main body 41 arranged on the connecting assembly 40, and the electromagnet main body 41 is detachably arranged on the inner wall of the tank body 1 through the connecting assembly 40.

[0034] In the implementation process of the embodiment, the connecting assembly 40 comprises a mounting groove 400 arranged on the inner wall of the tank body 1, a mounting seat 401 matched and arranged in the mounting groove 400, a plurality of connecting holes 402 arranged at intervals along the length direction of the mounting seat 401, and a connecting groove 403 arranged on the mounting seat 401 and along the length direction of the mounting seat 401, and the electromagnet main body 41 is matched and arranged in the connecting groove 403.

[0035] In the actual implementation process, the mounting seat is made of plastic, and the connecting hole is a threaded hole. The mounting seat can be matched and mounted in the tank body through a threaded fastener. By selecting plastic as the material of the mounting seat, the corrosion of the mounting seat by copper-containing acid etching liquid can be effectively avoided, and the service life is prolonged.

[0036] In the implementation process of the embodiment, the electromagnet main body 41 comprises a connecting portion 410 and an adsorption portion 411 arranged on the connecting portion 410, the connecting portion 410 can be matched and inserted into the connecting groove 403, so that the electromagnet main body 41 can be detachably arranged on the inner wall of the tank body 1, and the adsorption portion 411 is used for adsorbing iron powder in the tank body 1.

[0037] In the actual implementation process, a wiring groove is further arranged on the outer wall of the tank body. By arranging the wiring groove, the electromagnet main body can be connected with the power supply outside the tank body. The running condition of the electromagnet main body can be controlled by controlling the switch of the power supply, and the applicability of the tank body is improved.

[0038] In the implementation process of the embodiment, the high material utilization rate replacement tank,

[0039] The distance between the two ends of the connecting portion 410 is defined as A;

[0040] The distance between the two ends of the adsorption portion 411 is defined as B;

[0041] The A and the B satisfy the following relationship: 2.5≤B / A≤3.5.

[0042] In the actual implementation process, B / A=3.

[0043] In the implementation process of the embodiment, the electromagnet adsorption assembly 4 further comprises a collection net 5 sleeved on the outer periphery of the electromagnet main body 41. The material of the collection net 5 is an elastic material. When the collection net 5 is sleeved on the outer periphery of the electromagnet main body 41, the collection net 5 is used to collect the iron powder adsorbed by the electromagnet main body 41.

[0044] In the actual implementation process, the material of the collection net is a high-molecular elastic material. Preferably, the material of the collection net is nylon. By sleeving the collection net on the outer periphery of the electromagnet main body, when the electromagnet main body is powered on during the stirring process of the stirring mechanism, the excess iron powder in the copper-containing acidic etching solution will be adsorbed by the electromagnet main body. After the iron powder is adsorbed, it will be enriched on the collection net. After the displacement reaction is completed, the etching solution treated by the displacement method is discharged, and then the collection net can be removed from the electromagnet main body, and the iron powder can be recycled.

[0045] In the actual implementation process, by selecting nylon as the material of the collection net, the collection net itself can be prevented from being adsorbed by the electromagnet, and the nylon is not easy to be corroded by the acidic etching solution, so that the service life can be effectively prolonged.

[0046] In the implementation process of the embodiment, a support 6 is further included. The support 6 comprises a support leg 60, a first support plate 61 arranged on the support leg 60, a plurality of support columns 62 arranged on the first support plate 61, and a second support plate 63 arranged on the plurality of support columns 62. The tank body 1 is arranged on the first support plate 61.

[0047] In the implementation process of the embodiment, the stirring mechanism 2 comprises a driving member 20 arranged on the second support plate 63, a stirring rod 21 matched and arranged on the driving end of the driving member 20, and a stirring blade 22 arranged on the stirring rod 21. The stirring blade 22 is arranged in multiple along the length direction of the stirring rod 21. The driving member 20 is used to drive the stirring rod 21 to rotate relative to the tank body 1, so as to drive the stirring blade 22 to rotate relative to the tank body 1.

[0048] In the implementation process of the embodiment, the stirring blade 22 comprises a stirring blade main body 220 detachably arranged on the stirring rod 21, and a stirring hole 221 arranged on the stirring blade main body 220. The length of the stirring hole 221 is defined as L, and the height of the stirring hole 221 is defined as H. The L and the H satisfy the following relationship: 10≤L / H≤13.5.

[0049] In the actual implementation process, L / H=12.5.

[0050] In the implementation process of the embodiment, a flange 7 is further arranged on the outer periphery of the tank body 1. A plurality of fixing holes 8 are arranged on the flange 7. The tank body 1 is arranged on the first support plate 61 through the flange 7.

[0051] In actual implementation, the fixing hole is a threaded hole, and through arranging a threaded fastener in the fixing hole, further fixing of the tank body can be realized.

[0052] The application provides a waste liquid treatment displacement tank with high raw material utilization rate, which comprises a tank body, a stirring mechanism arranged on the tank body, and an iron powder adsorption mechanism arranged in the tank body, wherein the iron powder adsorption mechanism comprises a plurality of electromagnet adsorption assemblies arranged on the inner wall of the tank body, the plurality of electromagnet adsorption assemblies are arranged in a circumferential interval along the inner wall of the tank body, and the stirring mechanism is used for stirring copper-containing acidic etching liquid in the tank body.

[0053] The above is an embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A waste liquid treatment displacement tank with high raw material utilization rate, characterized in that, The device includes a tank (1), a stirring mechanism (2) disposed on the tank (1), and an iron powder adsorption mechanism (3) disposed inside the tank (1). The stirring mechanism (2) is used to stir the copper-containing acidic etching solution inside the tank (1), and the iron powder adsorption mechanism (3) is used to adsorb the iron powder inside the tank (1). The iron powder adsorption mechanism (3) includes a plurality of electromagnet adsorption components (4) disposed on the inner wall of the tank (1), and the plurality of electromagnet adsorption components (4) are arranged circumferentially along the inner wall of the tank (1).

2. The waste liquid treatment displacement tank with high raw material utilization rate according to claim 1, characterized in that, The electromagnet adsorption assembly (4) includes a connecting assembly (40) disposed on the inner wall of the tank (1) and an electromagnet body (41) disposed on the connecting assembly (40). The electromagnet body (41) is detachably disposed on the inner wall of the tank (1) through the connecting assembly (40).

3. The waste liquid treatment displacement tank with high raw material utilization rate according to claim 2, characterized in that, The connecting assembly (40) includes a mounting groove (400) on the inner wall of the tank (1), a mounting seat (401) matched in the mounting groove (400), a plurality of connecting holes (402) spaced apart along the length of the mounting seat (401), and a connecting groove (403) on the mounting seat (401), the connecting groove (403) being arranged along the length of the mounting seat (401), and the electromagnet body (41) matched in the connecting groove (403).

4. The waste liquid treatment displacement tank with high raw material utilization rate according to claim 3, characterized in that, The electromagnet body (41) includes a connecting part (410) and an adsorption part (411) provided on the connecting part (410). The connecting part (410) can be matched and extended into the connecting groove (403) so that the electromagnet body (41) can be detachably provided on the inner wall of the tank (1). The adsorption part (411) is used to adsorb iron powder in the tank (1).

5. The waste liquid treatment displacement tank with high raw material utilization rate according to claim 4, characterized in that, The distance between the two ends of the connecting part (410) is defined as A; The distance between the two ends of the adsorption section (411) is defined as B; The relationship between A and B is as follows: 2.5 ≤ B / A ≤ 3.

5.

6. The waste liquid treatment displacement tank with high raw material utilization rate according to claim 2, characterized in that, The electromagnet adsorption assembly (4) also includes a collection net (5) sleeved on the outer periphery of the electromagnet body (41). The collection net (5) is made of an elastic material. When the collection net (5) is sleeved on the outer periphery of the electromagnet body (41), the collection net (5) is used to collect the iron powder adsorbed by the electromagnet body (41).

7. The waste liquid treatment displacement tank with high raw material utilization rate according to claim 1, characterized in that, It also includes a bracket (6), which includes a support leg (60), a first support plate (61) disposed on the support leg (60), a plurality of support columns (62) disposed on the first support plate (61), and a second support plate (63) disposed on the plurality of support columns (62), and the tank body (1) is mounted on the first support plate (61).

8. The waste liquid treatment displacement tank with high raw material utilization rate according to claim 7, characterized in that, The stirring mechanism (2) includes a driving member (20) disposed on the second support plate (63), a stirring rod (21) disposed on the driving end of the driving member (20), and stirring blades (22) disposed on the stirring rod (21). Multiple stirring blades (22) are spaced apart along the length of the stirring rod (21). The driving member (20) is used to drive the stirring rod (21) to rotate relative to the tank (1) so as to drive the stirring blades (22) to rotate relative to the tank (1).

9. A waste liquid treatment displacement tank with high raw material utilization rate according to claim 8, characterized in that, The stirring blade (22) includes a stirring blade body (220) detachably mounted on the stirring rod (21) and a stirring hole (221) mounted on the stirring blade body (220). The length of the stirring hole (221) is defined as L, and the height of the stirring hole (221) is defined as H. The relationship between L and H is as follows: 10 ≤ L / H ≤ 13.

5.

10. A waste liquid treatment displacement tank with high raw material utilization rate according to claim 7, characterized in that, It also includes a flange (7) provided on the outer periphery of the tank body (1), the flange (7) having a plurality of fixing holes (8), the tank body (1) being mounted on the first support plate (61) through the flange (7).

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