KR101188479B1 - Recovery apparatus of precious metal for electrolysis - Google Patents

Abstract

PURPOSE: A precious metal recovery apparatus employing electrolysis is provided to recover even fine precious metal from aqueous solution by letting the aqueous solution pass through a plurality of cathode members successively. CONSTITUTION: A precious metal recovery apparatus using electrolysis comprises an electrolytic bath(10), a power supply unit(20), a plurality of anode members(30), a plurality of cathode members(40), and a plurality of fixing elements. The electrolytic bath comprises an anode plate(11), a cathode plat(12), an inlet(13), and an outlet(14). Aqueous solution stored in a washing bath is drawn in and out through the inlet and the outlet. The power supply unit supplies anode and cathode power to the anode plate and the cathode plate. The plurality of anode members divide the inside the electrolytic bath into a plurality of chambers(31,32,33,34,35,36) from one side to the other side. The anode and cathode members are respectively connected to the anode and cathode plates. The plurality of cathode members are accommodated in the chambers except form the first and last chambers. The plurality of fixing elements are detachably installed in the electrolytic bath and deliver cathode power to the plurality of cathode members.

Description

Precious metal recovery system using electrolysis {RECOVERY APPARATUS OF PRECIOUS METAL FOR ELECTROLYSIS}

The present invention relates to a precious metal recovery device using electrolysis, and more particularly to precisely recover the precious metal contained in an aqueous solution containing a plating waste solution, a cleaning liquid used in the plating process, a leaching solution of ore, a leaching solution of waste scrap, etc. The present invention relates to a precious metal recovery apparatus using electrolysis.

In general, ion exchange resins, activated carbon, and the like have been proposed as a method for recovering precious metals contained in an aqueous solution containing a plating waste solution, a rinsing solution used in a plating process or an ore leaching solution, or a waste scrap leaching solution.

The ion exchange resin method recovers precious metals by adsorption of resin, and recovers precious metals by post-treatment by repeating the process of incineration of noble metals, incineration of ion resins, and then incineration. In order to increase the recovery rate of the precious metal in the recovery device, the inflow and discharge circulation of the treated water containing the precious metal ions is made smoothly, and the surface area of the precious metal adsorption resin is required to be activated.

However, at low concentrations, the precious metals are effectively adsorbed, but at high concentrations, breakthrough points are rapidly coming down, and the recovery rate decreases.In order to recover the precious metals adsorbed on the resin, the incineration step has to be repeated several times. Odor and pollution occurs in the city, there is a problem that maintenance is difficult, such as driving must be managed from time to time.

In addition, the metal substitution method is a method of recovering precious metals by using a substituent, and the process is labor intensive and has a disadvantage of changing the recovery rate according to the conditions of the workplace, the composition of the noble metal-containing solution, and the skill of the worker. There is a problem that is difficult to recover precious metal difficult.

On the other hand, according to the Republic of Korea Patent Publication No. 10-2009-0047677, there is disclosed a structure in which the negative electrode and the positive electrode is arranged intersecting, the negative electrode is connected to the negative electrode of the DC power source, but such an electrolytic collection The method is difficult to recover the noble metal because the aqueous solution discharged from the electrolyte storage tank passes through the cathode at a time, and the current efficiency also decreases with time.

Republic of Korea Patent Publication No. 10-2009-0047677 (2009. 05. 13.)

The present invention has been made to solve the above problems, an object of the present invention is to quickly noble metal contained in an aqueous solution containing a plating waste liquid, a cleaning liquid used in the plating process, a leaching solution of ore, a leaching solution of waste scrap, etc. It is to provide a precious metal recovery device using electrolysis for precise recovery.

The problems to be solved by the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention is a device for recovering the noble metal contained in the aqueous solution is supplied to the aqueous solution, the top is opened, the anode plate and the cathode plate is provided, which is stored in the water tank An electrolytic cell to which an inflow tube into which an aqueous solution flows in and an outflow tube into which the introduced aqueous solution flows out are connected; A power supply unit supplying power of a positive electrode and a negative electrode to the positive electrode plate and the negative electrode plate, respectively; A plurality of positive electrode bodies disposed in the electrolytic cell and dividing the inside of the electrolytic cell into a plurality of chambers from one side to the other direction and connected to the positive plate; And a plurality of cathode bodies respectively accommodated in the plurality of chambers or in each chamber except the first chamber and the last chamber of the plurality of chambers and connected to the cathode plate. do.

In addition, one end is connected to the water tank, the other end further comprises a supply pipe connected to the inlet of the circulation pump, the inlet pipe is connected to the outlet of one end of the circulation pump, the other end is connected to the first chamber, the outflow The tube is characterized in that one end is connected to the last chamber, the other end is connected to the water tank.

In addition, it characterized in that it further comprises a filter connected to the supply pipe.

A plurality of anodes according to the present invention is characterized in that the lower end portion is in contact with the inner bottom surface of the electrolytic cell toward the last chamber, spaced apart, spaced apart, in contact with each other repeatedly formed sequentially.

The electrolytic cell according to the present invention is characterized in that the inner bottom surface is formed to be inclined downward from one side where the inlet pipe is located to the other side where the outlet pipe is located.

The plurality of cathode bodies according to the present invention is formed in the form of a mesh having pores, respectively, characterized in that made of any one of copper, nickel, aluminum, titanium.

The apparatus may further include a plurality of fixing bodies connected to the negative electrode plate to transmit the negative electrodes to the plurality of negative electrode bodies, respectively, and detachably installed in the electrolytic cell, wherein the plurality of the fixing bodies may have both side portions before and after the upper part of the electrolytic cell. Fixed bar mounted; One end is connected to the fixed bar and the other end is formed to extend in the downward direction, and includes a pair of support bar is formed in which the insertion groove is inserted into the cathode body from the one end to the upper end, the electrolytic cell is fixed bar is mounted on the front, rear A plurality of mounting grooves are formed, and a plurality of cathode bodies each have a pair of hollows penetrating both side surfaces, respectively, formed at left and right sides of a center portion of the cathode body, and between the pair of hollows at a support bar. It characterized in that the fixing member is provided to be bound.

In addition, it is fixed to the inner bottom surface of the electrolytic cell, characterized in that it further comprises a plurality of support members for supporting each of the plurality of cathode bodies.

In addition, it is located inside the electrolytic cell, the concentration sensor for detecting the concentration of the precious metal contained in the aqueous solution; And a control unit for adjusting the intensity of the voltage supplied from the power supply unit according to the concentration detection of the precious metal of the concentration sensor.

The apparatus may further include a water level control sensor for detecting a level of the last chamber among the plurality of chambers, wherein the controller controls the driving of the circulation pump according to the detection of the level control sensor.

In addition, it is located in the last chamber, and further includes a water level control membrane for forming a water level control chamber that is opened between the other side of the electrolytic cell, the lower portion of the water level control chamber is formed through the hole, the water level control sensor is located inside The upper end of the level control membrane is characterized in that it is located higher than the one end of the outlet pipe.

The apparatus may further include a discharge pipe for discharging the aqueous solution remaining in the electrolytic cell, wherein the discharge pipe is connected to the last chamber of the plurality of chambers.

According to the present invention, since an aqueous solution containing a plating waste solution, a cleaning solution used in the plating process, a leaching solution of ore, a leaching solution of waste scrap, etc., sequentially passes through a plurality of cathode bodies installed in an electrolytic cell, the precious metal contained in the aqueous solution is fast. This is an effect that can be recovered precisely.

In addition, since the aqueous solution passes through the cathode bodies installed in plural electrolytic cells in turn, the fine noble metals contained in the aqueous solution are electrodeposited to the anode, so that the precious metals can be precisely recovered even in a low concentration aqueous solution containing a large amount of precious metal. It works.

The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned may be clearly understood by those skilled in the art from the following description.

1 is a perspective view showing a precious metal recovery apparatus using electrolysis according to the present invention.
2 and 3 are a front view and a side view showing a precious metal recovery device using electrolysis according to the present invention.
Figure 4 is a perspective view showing a positive electrode in the precious metal recovery apparatus using electrolysis according to the present invention.
5 is a longitudinal sectional view showing an electrolytic cell in the precious metal recovery apparatus using electrolysis according to the present invention.
6 is a perspective view showing a negative electrode body in the precious metal recovery apparatus using electrolysis according to the present invention.
7 is a perspective view showing a fixture in the precious metal recovery apparatus using electrolysis according to the present invention.
8 is a use state diagram showing a precious metal recovery device using electrolysis according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a noble metal recovery device using electrolysis according to the present invention, Figures 2 and 3 are a front view and a side view showing a noble metal recovery device using electrolysis according to the present invention, Figure 4 is an electrolytic according to the present invention A perspective view showing a positive electrode in the precious metal recovery device using, Figure 5 is a longitudinal cross-sectional view showing an electrolytic cell in the precious metal recovery device using the electrolytic according to the present invention, Figure 6 is a negative electrode in the precious metal recovery device using the electrolytic according to the present invention 7 is a perspective view showing a fixture in a noble metal recovery device using an electrolysis according to the present invention, Figure 8 is a state diagram showing a precious metal recovery device using an electrolysis according to the present invention.

Referring to Figures 1 to 8, the precious metal recovery device 1 using the electrolytic according to the present invention is provided with a positive electrode plate 11 and a negative electrode plate 12, the inlet pipe 13 through which the aqueous solution and the introduced aqueous solution An electrolytic cell 10 to which the discharge pipe 14 is discharged is connected, a power supply unit 20 for supplying power of a positive electrode and a negative electrode to the positive electrode plate 11 and the negative electrode plate 12, respectively, and the inside of the electrolytic cell 10. A plurality of anodes 30 disposed in the chamber 10 and divided into a plurality of chambers 31, 32, 33, 34, 35, 36 from one side to the other, and connected to the anode plate 11. And a plurality of cathode bodies 40 accommodated in the plurality of chambers 31, 32, 33, 34, 35, and 36, respectively, and connected to the cathode plate 12.

The electrolytic cell 10 and the plurality of chambers 31, 32, 33, 34, 35, and 36 are each formed in the form of a square cylinder having an upper opening, and the inlet pipe 13 is formed of a general type pipe. One end is connected to the first chamber 31 of the plurality of chambers 31, 32, 33, 34, 35, and 36, and the other end is connected to an outlet (not shown) formed in the circulation pump 50.

The outlet pipe 14 is formed of a general type of pipe, one end of which is connected to the last chamber 36 of the plurality of chambers 31, 32, 33, 34, 35, 36, and the other end of which extends to the outside. It is connected to the other separate washing tank 100, the drain pump 14a may be connected between one end and the other end.

The drainage pump 14a allows the aqueous solution accommodated in the electrolytic cell 10 to be quickly discharged to the flushing tank 100.

The first chamber 31 of the plurality of chambers 31, 32, 33, 34, 35, 36 is located at one side of the electrolytic cell 10 with respect to the front of the electrolytic cell 10, and the last chamber ( 36 is located on the other side of the electrolytic cell 10.

Here, the flushing tank 100 is preferably understood as a place where an aqueous solution including a plating waste liquid, a cleaning liquid used in the plating process, a leaching solution of ore, a leaching solution of waste scrap, and the like is stored.

The circulation pump 50 is composed of a general type pump in which an inlet and an outlet are formed, and receives power from the outside or power from the power supply unit 20.

The noble metal recovery device 1 using the electrolysis receives the aqueous solution from the water tank 100 through the supply pipe 110 according to the driving of the circulation pump 50 and the electrolytic cell 10 through the inlet pipe 13. Supplies).

The supply pipe 110 is made of a general type of pipe, one end is connected to the inlet (not shown) formed in the circulation pump 50, the other end is connected to the flush tank (100).

The inlet opening 13 and the supply pipe 110 may be provided with an inlet opening and closing valve 13a and a supply opening and closing valve 120, respectively.

At this time, it is preferable that the precious metal recovery device 1 using the electrolysis further includes a filter 70 connected to the supply pipe 110.

The filter 70 filters the foreign substances such as waste vinyl contained in the aqueous solution and supplies them to the electrolytic cell 10, while reusing the aqueous solution re-introduced into the washing tank 100.

The positive electrode plate 11 and the negative electrode plate 12 respectively have both ends, and both ends thereof extend from one side of the electrolytic cell 10 to the other side with respect to the front of the electrolytic cell 10.

The positive electrode plate 11 and the negative electrode plate 12 are fixed to the upper and rear surfaces of the electrolytic cell 10, respectively, and are made of a conductor. The power supply unit 20 is composed of a general-purpose rectifier and receives power from the outside.

As illustrated in FIG. 3, the positive electrode plate 11 and the negative electrode plate 12 may be wrapped with a cover 15 made of an insulator to prevent safety accidents due to electric shock.

At this time, the precious metal recovery device 1 using the electrolytic concentration, the concentration sensor 81 for detecting the concentration of the precious metal contained in the internal aqueous solution of the electrolytic cell 10 and the concentration of the precious metal of the concentration sensor 81 It is preferable to further include a control unit 80 for adjusting the intensity of the voltage supplied from the power supply unit 20 in accordance with the detection.

The concentration sensor 81 is located inside the electrolytic cell 10, preferably located in the first chamber 31 of the plurality of chambers (31, 32, 33, 34, 35, 36).

The control unit 80 controls the concentration display unit 82 for displaying the concentration of the precious metal detected by the concentration sensor 81 and the voltage control switch 83 for adjusting the intensity of the voltage supplied from the power supply unit 20. ), A voltage display unit 84 displaying a voltage according to the operation of the voltage adjusting switch 83, and a circulating pump adjusting switch 85 for controlling the driving of the circulating pump 50. An exhaust pump control switch 86 for controlling the driving of 14a) may be further included.

In addition, the noble metal recovery device 1 using the electrolysis according to the detection of the concentration of the precious metal concentration of the concentration sensor 81, the inlet opening and closing valve 13a or the supply opening and closing valve 120 to adjust the electrolytic cell 10 The amount of the aqueous solution introduced into the can be adjusted.

In the noble metal recovery device 1 using the electrolytic cell, the electrolytic cell 10 is fixed to the upper part, the circulation pump 50 and the power supply unit 20 are fixed to the lower part, and the control part 80 between the upper part and the lower part. ) May further include a frame 60 to which it is fixed.

The power supply unit 20 may be installed below the frame 60, but it is more preferably formed integrally with the control unit 80.

In addition, a plurality of casters 61 may be installed below the frame 60 for convenience of movement.

That is, when the concentration of the noble metal contained in the aqueous solution contained in the electrolytic cell 10 is low, the precious metal recovery device 1 using the electrolytic voltage is supplied from the power supply unit 20 by adjusting the controller 80. Lowers.

On the contrary, when the concentration of the noble metal contained in the aqueous solution contained in the electrolytic cell 10 is high, the controller 80 is adjusted to increase the voltage supplied from the power supply unit 20.

Accordingly, the precious metal recovery device 1 using the electrolysis adjusts the voltage supplied from the power supply unit 20 according to the concentration of the precious metal contained in the aqueous solution contained in the electrolytic cell 10 to reduce the consumption of electrical energy. Can be reduced.

Each of the plurality of anodes 30 is formed in a rectangular plate shape, and a protruding hole 30b is formed in the upper portion so that the power supply line 120 connected to the cathode plate 11 is fixed by bolts, screws, or the like. A piece 30a is formed.

In addition, the plurality of anodes 30 are disposed at equal intervals from one side of the inside of the electrolytic cell 10 to the other side, and are detachably coupled to the electrolytic cell 10.

For example, the electrolytic cell 10 has a plurality of fastening grooves 16 facing the front and rear surfaces thereof as shown in FIG. 5, and the plurality of positive electrode bodies are formed by the plurality of fastening grooves 16. The front and rear ends of 30) are joined and joined.

In the noble metal recovery device 1 using the electrolysis, the plurality of positive electrode bodies 30 may be detachably coupled to the electrolytic cell 10 to variably control the number according to the noble metal concentration of the aqueous solution.

For this reason, the noble metal recovery apparatus 1 using the electrolysis circulates the aqueous solution in the electrolytic cell 10 by controlling the number of chambers by reducing the number of the plurality of anodes 30 when the noble metal concentration of the aqueous solution is low. By reducing the time required for the recovery of precious metals can be shortened.

In addition, when the noble metal concentration of the aqueous solution is high, by increasing the number of the plurality of the positive electrode 30 to control the number of chambers can increase the circulation of the aqueous solution in the electrolytic cell 10 to recover the precious metal precisely.

This is possible because the aqueous solution accommodated in the electrolytic cell 10 is electrodeposited and collected in the plurality of cathode bodies 40 while sequentially passing from the first chamber 31 to the last chamber 36.

In the noble metal recovery device 1 using the electrolysis, the plurality of positive electrode bodies 30 are easily separated from the electrolytic cell 10, thereby cleaning the interior of the electrolytic cell 10 as well as the plurality of positive electrode bodies 30. It is possible and the work can be done easily.

Each of the chambers 31, 32, 33, 34, 35, and 36 has a positive electrode positioned on the other side when a lower end portion of the positive electrode 30 positioned on one side contacts the inner bottom surface of the electrolytic cell 10 ( The lower end of the 30 is formed to be spaced apart, when the lower end of the positive electrode 30 located on one side is spaced apart from the inner bottom surface of the electrolytic cell 10, the lower end of the positive electrode 30 located on the other side of the electrolytic cell 10 The contact with the inner bottom of the) is repeated sequentially.

In other words, the plurality of positive electrode bodies 30 are formed in such a manner that the lower end portion contacts the inner bottom surface of the electrolytic cell 10 toward the last chamber 36 from the first chamber 31 and is spaced sequentially. .

In addition, the electrolytic cell 10 is inclined toward the other side where the outlet pipe 14 is located from one side of the inlet pipe 13 is located on the inner bottom surface front.

In the precious metal recovery device 1 using the electrolytic cell, the inner bottom surface of the electrolytic cell 10 is inclined so that the flow of the aqueous solution flowing into the electrolytic cell 10 flows from the first chamber 31 to the final chamber ( 36) naturally induced.

The plurality of cathode bodies 40 may be accommodated in the plurality of chambers 31, 32, 33, 34, 35, and 36, respectively, but the chamber 32 except for the first chamber 31 and the last chamber 36. It is preferred that only 33, 34, 35 be accommodated.

The reason for this is because the first chamber 31 is filled with the aqueous solution through the inlet pipe 13 is rapidly introduced, the last chamber 36 is because the aqueous solution discharged to the outlet pipe 14 is finally filled This is because the effect of electrodeposition by may be insignificant.

As shown in FIG. 6, the plurality of cathode bodies 40 may be formed in a rectangular shape, each may be formed of a mesh having pores 40b, and may be made of copper, nickel, aluminum, or the like. desirable.

In this case, the noble metal recovery device 1 using the electrolysis is connected to the negative electrode plate 12 to deliver a negative electrode to each of the plurality of negative electrode body 40, a plurality of detachably installed in the electrolytic cell 10 It is preferable to further include a fixture (41).

As shown in FIG. 7, the plurality of fixed bodies 41 are mounted on both sides of the electrolytic cell 10 before and after the upper part, respectively, and a power supply line 130 connected to the negative electrode body 40 is coupled thereto. The fixing bar 42 and one end of which the coupling member 42a is provided include a pair of support bars 43 connected to the fixing bar 42 and the other end extending downward.

The pair of support bars 43 each have an opposing insertion groove 44 formed in one direction from the other end of the support bar 43, and the insertion groove 44 has the negative electrode body 40. Is introduced.

The plurality of fixtures 41 are each covered by an insulator, and the inner circumferential surface of the insertion groove 44 is in contact with the cathode body 40 without being covered.

Thus, the negative electrode supplied from the power supply unit 20 may be transmitted to the negative electrode body 40 through the fixing body 41.

A plurality of mounting grooves 17 are formed on the front and rear sides of the electrolytic cell 10 so that the fixing bar 42 can be stably mounted without shaking.

In addition, each of the plurality of cathode bodies 40 has a pair of hollows 40a penetrating both side surfaces, respectively, formed at the left and right sides of a center portion of the cathode body 40, respectively. The support bar 43 is positioned between the 40a.

When the plurality of cathode bodies 40 are bound to the fixing bodies 41, respectively, the pair of supporting bars may be inserted into the pair of hollows 40a such that strings or fixing members 45, such as a tie, are inserted therein. 43).

In addition, it is preferable that the noble metal recovery device 1 using the electrolysis further includes a plurality of support members 18 for supporting the lower portions of the plurality of anode bodies 40, respectively.

As shown in FIG. 5, each of the plurality of support members 18 is fixed to an inner bottom surface of the electrolytic cell 10 by an adhesive or the like, and a coupling groove into which a lower end of the cathode body 40 is introduced. 18a is formed.

In detail, the noble metal recovery device 1 using the electrolytic solution is supplied from the water tank 100 according to the driving of the circulation pump 50 through the filter 70 and the inlet pipe 13. It is introduced into the electrolytic cell 10 through.

The aqueous solution flowing into the electrolytic cell 10 is filled in the first chamber 31, and then flooded the upper portion and flows into the second chamber 32.

The aqueous solution filled in the second chamber 32 enters and fills the third chamber 33 through the lower portion.

In addition, the aqueous solution filled in the third chamber 33 overflows the upper portion and flows into the fourth chamber 34 to be filled.

The aqueous solution filled in the fourth chamber 34 is introduced into the fifth chamber 35 through the bottom thereof.

The aqueous solution filled in the fifth chamber 35 overflows the upper portion and enters the last chamber 36.

The aqueous solution flowing into the last chamber 36 is re-introduced into the washing tank 100 through the outlet pipe 14.

In addition, a positive electrode and a negative electrode are supplied to the positive electrode plate 11 and the negative electrode plate 12 from the power supply unit 20, respectively. A positive electrode and a negative electrode flow through the plurality of cathode bodies 40, respectively.

As the current flows into the electrolytic cell 10, the noble metal having the cation contained in the aqueous solution is electrolyzed and electrodeposited and collected on the plurality of negative electrode bodies 40.

As this flow is repeated, the aqueous solution supplied to the electrolytic cell 10 through the inlet pipe 13 flows in the upper and lower zigzag forms, and the precious metal contained in the aqueous solution is electrodeposited and collected in the plurality of negative electrode bodies 40.

For this reason, the precious metal contained in the aqueous solution is precisely recovered by the precious metal recovery device 1 using the above electrolysis, and the aqueous solution is purified to be reused.

At this time, it is preferable that the precious metal recovery device 1 using the electrolysis further includes a water level control sensor 87 for detecting the water level of the last chamber 36.

The controller 80 causes the driving of the circulation pump 50 to be stopped according to the level detection of the water level control sensor 87.

The level control sensor 87 detects that the aqueous solution flowing into the last chamber 36 is not flooded out of the electrolytic cell 10.

At this time, the noble metal recovery device (1) using the electrolysis is located in the last chamber 36, the water level control film to form a water level control chamber (37) which is opened between the other side of the electrolytic cell (10) ( It is preferable to further include 38).

The water level control chamber 37 is formed in the shape of a square barrel with an upper opening, and the lower portion is spaced apart from the inner bottom surface of the electrolytic cell 10.

For example, the water level control membrane 38 is formed in a 'b' shape that the lower end is fixed to the other inner side of the electrolytic cell 10, the other end is bent upwardly extending.

The water level control membrane 38 allows the water level of the aqueous solution filled in the last chamber 36 to reach a position higher than one end of the outlet pipe 14, so that the aqueous solution accommodated in the electrolytic cell 10 is Through the outlet pipe 14 to be quickly discharged to the flush tank (100).

The water level control sensor 87 is located in the water level control chamber 37, and the aqueous solution flowing into the last chamber 36 flows into the water level control chamber 37 to adjust the level of the water level control chamber 37. By sensing, the level of the last chamber 36 is adjusted.

On the other hand, in the precious metal recovery device 1 using the electrolytic discharge pipe 90 is preferably installed on the other side of the electrolytic cell (10).

The discharge pipe 90 is an aqueous solution remaining in the interior of the electrolytic cell 10 without being discharged through the outlet pipe 14, or a contaminant or washing remaining in the interior of the electrolytic cell 10 when the electrolytic cell 10 is cleaned. It is preferable to be connected to the last chamber 36 to discharge water and the like, and an on-off valve 91 is provided.

In addition, a through hole 38a is formed at a lower surface of the water level control chamber 37, and the aqueous solution remaining in the water level control chamber 37 is discharged to the through hole 38a when the electrolytic cell 10 is washed. .

Therefore, the noble metal recovery device 1 using the electrolytic discharges the aqueous solution remaining in the water level control chamber 37 through the through hole 38a when the electrolytic cell is washed, and the electrolytic cell through the discharge pipe 90. The aqueous solution, contaminants or washings, etc. remaining inside (10) may be kept clean while being discharged to the outside.

What has been described above is only an embodiment for carrying out the precious metal recovery apparatus using electrolysis according to the present invention, the present invention is not limited to the above-described embodiment, as claimed in the following claims, the subject matter of the present invention Without departing from the technical spirit of the present invention to the extent that any person of ordinary skill in the art to which the present invention pertains various modifications can be made.

Description of the Related Art [0002]
1: precious metal recovery device 10: electrolytic cell
11: positive electrode plate 12: negative electrode plate
13: inlet pipe 14: outlet pipe
20: power supply 30: anode
31, 32, 33, 34, 35, 36: chamber 37: level control chamber
38: level control membrane 40: negative electrode
41: fixed body 42: fixed bar
43: support bar 44: insertion groove
45: fixed member 50: circulation pump
60: frame 70: filter
80: control unit 81: concentration sensor
87: level control sensor 90: discharge pipe
100: water tank 110: supply pipe
130,140: Power lead

Claims (12)

Apparatus for recovering the precious metal contained in the aqueous solution by receiving an aqueous solution stored in the washing tank,
An electrolytic cell having an upper opening, provided with a positive electrode plate and a negative electrode plate, to which an inflow pipe into which an aqueous solution stored in the water bath flows and an outflow pipe through which the introduced aqueous solution flows out;
A power supply unit supplying power of a positive electrode and a negative electrode to the positive electrode plate and the negative electrode plate, respectively;
A plurality of positive electrode bodies disposed in the electrolytic cell and dividing the inside of the electrolytic cell into a plurality of chambers from one side to the other direction and connected to the positive plate;
A plurality of cathode bodies respectively accommodated in the plurality of chambers or in chambers other than first and last chambers of the plurality of chambers and connected to the cathode plates; And
It is connected to the negative electrode plate and delivers a negative electrode to each of the plurality of negative electrode, and includes a plurality of fixed body is detachably installed in the electrolytic cell,
The plurality of fixtures,
Fixed bars connected to both sides of the electrolytic cell on both sides of the upper and rear sides of the electrolytic cell; And
One end is connected to the fixed bar and the other end is formed extending in the downward direction, and comprises a pair of support bar is formed in which the insertion groove for inserting the negative electrode body from the one end to the upper end,
The electrolytic cell is formed with a plurality of mounting grooves in which the fixing bar is mounted on the front, rear, the upper side, based on the front of the electrolytic cell,
Each of the plurality of cathode bodies has a pair of hollows penetrating both sides, respectively, formed at left and right sides about a central portion of one side of the cathode body, and a fixing member coupled to the support bar is provided between the pair of hollow bodies. Precious metal recovery apparatus using electrolysis, characterized in that the electrolytic precious metal recovery apparatus comprising an electrolysis. The method of claim 1,
One end is connected to the water tank, the other end further comprises a supply pipe connected to the inlet of the circulation pump,
The inlet pipe is connected to one end of the discharge portion of the circulation pump, the other end is connected to the first chamber,
The outflow pipe is electrolytic precious metal recovery device, characterized in that one end is connected to the last chamber, the other end is connected to the washing tank. The method of claim 2,
Precious metal recovery apparatus using electrolysis, characterized in that it further comprises a filter connected to the supply pipe. The method of claim 1,
The plurality of anodes are in contact with the inner bottom surface of the electrolytic cell as the lower end portion from the first chamber to the last chamber, spaced apart,
The precious metal recovery device using electrolysis, characterized in that the spaced apart, the contact form is repeated sequentially. The method of claim 4, wherein
The electrolytic cell is a precious metal recovery device using electrolysis, characterized in that the inner bottom surface is formed inclined downward from one side where the inlet pipe is located to the other side where the outlet pipe is located. The method of claim 1,
The plurality of anodes are each formed in the form of a network having a pore, precious metal recovery device using electrolysis, characterized in that made of any one of copper, nickel, aluminum, titanium. delete The method of claim 1,
The precious metal recovery device using the electrolysis is fixed to the inner bottom surface of the electrolytic cell, and further comprising a plurality of support members for supporting the plurality of cathode bodies, respectively. The method of claim 2,
A concentration sensor located inside the electrolytic cell and configured to detect the concentration of the noble metal contained in the aqueous solution; And
And a control unit for adjusting the strength of the voltage supplied from the power supply unit according to the concentration detection of the precious metal of the concentration sensor. The method of claim 9,
Further comprising a level control sensor for sensing the level of the last chamber of the plurality of chambers,
The control unit is a precious metal recovery device using electrolysis, characterized in that for controlling the drive of the circulation pump in accordance with the detection of the water level control sensor. The method of claim 10,
Located in the last chamber, and further comprising a water level control film to form a water level control chamber that is opened between the other side of the electrolytic cell,
A through hole is formed in the lower portion of the level control chamber, the level control sensor is located inside, the upper end of the level control membrane is electrolytic precious metal recovery apparatus, characterized in that located above one end of the outlet pipe. The method according to claim 1 or 11, wherein
Further comprising a discharge pipe for discharging the aqueous solution remaining inside the electrolytic cell,
The discharge pipe is electrolytic precious metal recovery device characterized in that it is connected to the last chamber of the plurality of chambers.

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