Recovery device for precious metal in gold-containing wastewater

Abstract

The utility model discloses a device for recovering noble metals in gold-containing wastewater, which relates to the technical field of noble metal recovery and comprises an electrolysis tank, wherein a heating plate is arranged on the middle side of the bottom of the electrolysis tank; the water inlet pipe is arranged on the left upper side of the electrolysis tank; the water outlet pipe is arranged below the right end of the electrolysis tank; the two supporting columns are symmetrically arranged at the rear end of the electrolysis tank; the telescopic cylinder is arranged at the top of the left strut; the stainless steel plate is connected with the output end of the telescopic cylinder; the threaded column is connected with the upper end of the right pillar; the threaded nut is arranged on the top of the right side supporting column and connected with the upper end of the threaded column. The clamping box is connected with the bottom of the threaded column; the threaded rod is arranged in the clamping box, and the right end of the threaded rod extends out of the clamping box and is connected with the rotating handle; the clamping block is connected to the surface of the threaded rod; the upper end of the fixing block is connected with the left side of the inner wall of the clamping box. And the pure gold sheet is arranged between the fixed block and the clamping block. According to the scheme, precious metal recovery which can be recycled and is easy to operate and high in recovery efficiency is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of precious metal recovery, in particular to a device for recovering precious metals in gold-containing wastewater. Background Art

[0002] Gold-containing wastewater refers to wastewater containing metal particles or metal ions. Recovering precious metals in gold-containing wastewater is an important way of resource recovery, which can reduce resource waste and environmental pollution. Since gold can only be dissolved in aqua regia and alkali metal cyanide solutions under normal circumstances, the waste liquid containing precious metals produced in industry mainly includes two types: waste aqua regia solution and gold-containing cyanide waste liquid. The basic principle of gold recovery is to provide electrons to these gold ions in free or coordinated states, so that they are converted into atomic states to obtain gold elements, wherein electrons are provided to the metal by electrolysis to precipitate the gold cathode.

[0003] In the existing recovery devices for precious metal wastewater, gold is recovered by reducing agent reduction or activated carbon adsorption, which has complex operation and long reaction time, resulting in low efficiency. Therefore, it is urgent to design a recovery device for precious metals in gold-containing wastewater to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, a device for recovering precious metals in gold-containing wastewater is provided. This technical solution solves the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A device for recovering precious metals from gold-containing wastewater, comprising an electrolytic box:

[0007] Box legs, fixedly mounted on the bottom of the electrolytic box;

[0008] A heating plate, fixedly mounted on the bottom middle side of the electrolytic box;

[0009] A water inlet pipe is arranged on the upper left side of the electrolytic box;

[0010] A water outlet pipe is arranged at the lower side of the right end of the electrolytic box;

[0011] Support pillars, the number of the support pillars is two, and the two support pillars are symmetrically arranged at the rear end of the electrolytic box;

[0012] A telescopic cylinder, fixedly mounted on the top of the left support column;

[0013] A stainless steel plate fixedly connected to the output end of the telescopic cylinder;

[0014] A threaded column, threadedly connected to the upper end of the pillar on the right side, and the upper end of the threaded column extends out of the top of the pillar;

[0015] A threaded nut, disposed on the top of the right pillar, and the threaded nut is threadedly connected to the upper end of the threaded column;

[0016] A clamping box, fixedly connected to the bottom of the threaded column;

[0017] A threaded rod is arranged inside the clamping box, and the right end of the threaded rod extends to the outside of the clamping box and is fixedly connected to the turning handle;

[0018] A clamping block, threadedly connected to a surface of the threaded rod;

[0019] A fixing block, the upper end of which is arranged inside the clamping box and fixedly connected to the left side of the inner wall of the clamping box;

[0020] The pure gold sheet is arranged between the fixing block and the clamping block.

[0021] Furthermore, the number of the box legs is four, and the plurality of box legs are evenly and equidistantly arranged.

[0022] Furthermore, the right end of the water inlet pipe extends to the interior of the electrolytic box, and the water outlet of the water inlet pipe faces downward.

[0023] Furthermore, the output end of the telescopic cylinder passes through the top of the left pillar and is fixedly connected to the upper end of the stainless steel plate.

[0024] Furthermore, the left end of the threaded rod is rotatably connected to the right end of the fixed block.

[0025] Furthermore, a plurality of groups of heating tubes are arranged inside the heating plate.

[0026] Furthermore, the stainless steel plate is electrically connected to the anode of the direct current, and the pure gold sheet is electrically connected to the cathode of the direct current.

[0027] Furthermore, the stainless steel plate and the pure gold sheet are both arranged on the inner middle side of the electrolytic box.

[0028] As the preferred technical solution of the utility model, compared with the prior art, the utility model provides a device for recovering precious metals in gold-containing wastewater, which has the following beneficial effects:

[0029] In the utility model, the electrolytic box is heated by a heating plate, the temperature of the waste liquid is controlled to be 70-90°C, and a constant temperature is maintained, which can effectively improve the electrolysis efficiency; under the action of direct current, gold ions migrate to the cathode and are deposited on the pure gold thin sheet of the cathode, and the pure gold thin sheet is placed between the fixed block and the clamping block, and the threaded rod is rotated by controlling the handle to adjust the movement of the clamping block, and then the pure gold thin sheet is fixed by the clamping block and the fixed block. When the gold accumulates to a certain amount, it is convenient to replace the new pure gold thin sheet and perform the circulation work, thereby improving the recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 It is a schematic diagram of the overall front structure of the utility model;

[0032] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0033] Figure 4 It is a structural schematic diagram of the clamping assembly in the utility model.

[0034] The numbers in the figure are:

[0035] 1. Electrolytic box; 2. Box legs; 3. Heating plate; 4. Water inlet pipe; 5. Water outlet pipe; 6. Support column; 7. Telescopic cylinder; 8. Stainless steel plate; 9. Threaded column; 10. Threaded nut; 11. Clamping box; 12. Threaded rod; 13. Turning handle; 14. Clamping block; 15. Pure gold sheet; 16. Fixing block; 17. Heating tube. DETAILED DESCRIPTION

[0036] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0037] Reference Figure 1-4 As shown, a device for recovering precious metals from gold-containing wastewater comprises an electrolytic box 1:

[0038] The box leg 2 is fixedly mounted on the bottom of the electrolytic box 1;

[0039] The heating plate 3 is fixedly mounted on the bottom middle side of the electrolytic box 1;

[0040] A water inlet pipe 4 is arranged on the upper left side of the electrolytic box 1;

[0041] The water outlet pipe 5 is arranged at the lower right side of the electrolytic box 1;

[0042] Support pillars 6, the number of which is two, and the two support pillars 6 are symmetrically arranged at the rear end of the electrolytic box 1;

[0043] The telescopic cylinder 7 is fixedly mounted on the top of the left support column 6;

[0044] The stainless steel plate 8 is fixedly connected to the output end of the telescopic cylinder 7;

[0045] A threaded column 9 is threadedly connected to the upper end of the right support column 6, and the upper end of the threaded column 9 extends out of the top of the support column 6;

[0046] A threaded nut 10 is disposed on the top of the right support column 6, and the threaded nut 10 is threadedly connected to the upper end of the threaded column 9;

[0047] A clamping box 11 is fixedly connected to the bottom of the threaded column 9;

[0048] The threaded rod 12 is arranged inside the clamping box 11, and the right end of the threaded rod 12 extends to the outside of the clamping box 11 and is fixedly connected to the turning handle 13;

[0049] A clamping block 14 is threadedly connected to the surface of the threaded rod 12;

[0050] A fixing block 16, the upper end of which is disposed inside the clamping box 11 and fixedly connected to the left side of the inner wall of the clamping box 11;

[0051] The pure gold sheet 15 is arranged between the fixing block 16 and the clamping block 14 .

[0052] In another embodiment provided by the present utility model, Figure 1 As shown, there are four box legs 2 , and the multiple box legs 2 are evenly and equidistantly arranged, and the box legs 2 provide stable support for the electrolytic box 1 .

[0053] In another embodiment provided by the present utility model, Figure 1 As shown, the right end of the water inlet pipe 4 extends to the interior of the electrolytic box 1, and the water outlet of the water inlet pipe 4 faces downward.

[0054] In another embodiment provided by the present utility model, Figure 1 As shown, the output end of the telescopic cylinder 7 passes through the top of the left support 6 and is fixedly connected to the upper end of the stainless steel plate 8. The telescopic cylinder 7 controls the lifting and lowering of the stainless steel plate 8, thereby reducing the risk of electric shock due to leakage.

[0055] In another embodiment provided by the present utility model, Figure 4 As shown, the left end of the threaded rod 12 is rotatably connected to the right end of the fixing block 16 .

[0056] In another embodiment provided by the present utility model, Figure 3As shown, a plurality of groups of heating tubes 17 are arranged inside the heating plate 3. The heating plate 3 heats the electrolytic box 1, thereby maintaining the waste liquid containing precious metals in the electrolytic box 1 at a suitable temperature, thereby improving the efficiency of electrolysis.

[0057] In another embodiment provided by the present utility model, Figure 1 As shown, the stainless steel plate 8 is electrically connected to the anode of the direct current, and the pure gold sheet 15 is electrically connected to the cathode of the direct current.

[0058] In another embodiment provided by the present utility model, Figure 1 As shown, the stainless steel plate 8 and the pure gold sheet 15 are both arranged on the inner middle side of the electrolytic box 1, the stainless steel plate 8 serves as the anode of electrolysis, and the pure gold sheet 15 serves as the cathode of electrolysis to electrolyze the waste liquid containing precious metals.

[0059] Working principle: In the utility model, the gold-containing cyanide waste liquid is transported to the inside of the electrolytic box 1 through the water inlet pipe 4, and the electrolytic box 1 is heated by the heating plate 3 to control the temperature of the waste liquid to be 70 to 90 degrees Celsius. The pure gold thin sheet 15 is placed between the fixed block 16 and the clamping block 14, and the threaded rod 12 is controlled to rotate by the turning handle 13, thereby adjusting the movement of the clamping block 14, and then the pure gold thin sheet 15 is fixed by the clamping block 14 and the fixed block 16, and then the pure gold thin sheet 15 is electrically connected to the cathode of the direct current, and then the threaded column 9 is moved downward by adjusting the threaded nut 10, so as to place the pure gold thin sheet 15 between the fixed block 16 and the clamping block 14. The sheet 15 is inserted into the waste liquid containing precious metals, and then the stainless steel plate 8 is electrically connected to the anode of the direct current. The stainless steel plate 8 is controlled by the telescopic cylinder 7 to be inserted into the waste liquid containing precious metals. Under the action of the direct current, the gold ions migrate to the cathode and are deposited and precipitated on the pure gold sheet 15 at the cathode. After regular sampling, when the gold concentration of the waste liquid containing precious metals drops to the specified concentration, the electrolysis is terminated, and then the waste liquid is discharged through the outlet pipe 5, and then replaced with new waste liquid containing precious metals through the inlet pipe 4 to repeat the electrolysis. When the gold on the pure gold sheet 15 accumulates to a certain amount, the pure gold sheet 15 can be removed by turning the handle 13.

[0060] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for recovering precious metals from gold-containing wastewater, characterized in that: Including electrolytic box (1): Box legs (2) are fixedly mounted on the bottom of the electrolytic box (1); A heating plate (3) is fixedly mounted on the middle side of the bottom of the electrolytic box (1); A water inlet pipe (4) is arranged on the upper left side of the electrolytic box (1); A water outlet pipe (5) is arranged at the lower side of the right end of the electrolytic box (1); Support pillars (6), the number of the support pillars (6) is two, and the two support pillars (6) are symmetrically arranged at the rear end of the electrolytic box (1); A telescopic cylinder (7) is fixedly mounted on the top of the left support (6); A stainless steel plate (8) fixedly connected to the output end of the telescopic cylinder (7); A threaded column (9) is threadedly connected to the upper end of the pillar (6) on the right side, and the upper end of the threaded column (9) extends out of the top of the pillar (6); A threaded nut (10) is arranged on the top of the right pillar (6), and the threaded nut (10) is threadedly connected to the upper end of the threaded column (9); A clamping box (11) fixedly connected to the bottom of the threaded column (9); A threaded rod (12) is arranged inside the clamping box (11), and the right end of the threaded rod (12) extends to the outside of the clamping box (11) and is fixedly connected to the turning handle (13); A clamping block (14) threadedly connected to the surface of the threaded rod (12); A fixing block (16), the upper end of which is arranged inside the clamping box (11) and fixedly connected to the left side of the inner wall of the clamping box (11); A pure gold sheet (15) is arranged between the fixing block (16) and the clamping block (14).

2. The device for recovering precious metals from gold-containing wastewater according to claim 1, characterized in that: The number of the box legs (2) is four, and the plurality of box legs (2) are evenly and equidistantly arranged.

3. The device for recovering precious metals from gold-containing wastewater according to claim 1, characterized in that: The right end of the water inlet pipe (4) extends to the interior of the electrolytic box (1), and the water outlet of the water inlet pipe (4) faces downward.

4. The device for recovering precious metals from gold-containing wastewater according to claim 1, characterized in that: The output end of the telescopic cylinder (7) passes through the top of the left support (6) and is fixedly connected to the upper end of the stainless steel plate (8).

5. The device for recovering precious metals from gold-containing wastewater according to claim 1, characterized in that: The left end of the threaded rod (12) is rotatably connected to the right end of the fixed block (16).

6. The device for recovering precious metals from gold-containing wastewater according to claim 1, characterized in that: A plurality of groups of heating tubes (17) are arranged inside the heating plate (3).

7. The device for recovering precious metals from gold-containing wastewater according to claim 1, characterized in that: The stainless steel plate (8) is electrically connected to the anode of the direct current, and the pure gold sheet (15) is electrically connected to the cathode of the direct current.

8. The device for recovering precious metals from gold-containing wastewater according to claim 1, characterized in that: The stainless steel plate (8) and the pure gold sheet (15) are both arranged on the inner middle side of the electrolytic box (1).

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