KR101532333B1 - Electrolysis type metal recovering device - Google Patents

Abstract

Disclosed is an electrolysis type-gold recovering device. The electrolysis type-gold recovery device comprises: a storage tank included in a main body to store liquid containing gold; a positive pole member contained in the liquid with the gold of the storage tank to provide a positive pole; a negative pole member arranged adjacent to the positive pole to provide a negative pole to the liquid with the gold in order to recover the gold in such a manner that the gold is attached to the negative pole; and a floating expediting part floating solid substance in order to prevent the solid substance of the liquid with the gold from being stacked on the storage tank. The electrolysis type-gold recovery device increases a rate of gold recovery using electricity, prevents environmental pollution due to the generation of waste water by reducing an amount of water used for cleaning, and generates bubbles in the liquid with gold using a bubble generation part; thereby increasing a rate of absorbing gold to the negative pole member.

Description

ELECTROLYSIS TYPE METAL RECOVERING DEVICE [0002]

The present invention relates to an electrolytic gold recovery device, and more particularly, to an electrolytic gold recovery device that uses electricity to increase the gold recovery rate, reduces the amount of water used for cleaning, prevents environmental pollution by generating wastewater, To thereby increase the gold adsorption rate on the cathode member.

In general, industrial gold used in a gold plating process or a substrate circuit printing process for manufacturing a printed circuit board is used in computers, TVs, and various electronic products, and the demand for such gold is increasing rapidly.

Such industrial gold can not go through a proper disposal process but is directly separated from waste and incinerated or disposed of, resulting in an increase in price due to an increase in use of expensive raw materials, and valuable resources are wasted.

As described above, since gold is deposited finely on an electronic product such as a substrate, a method of recovering the metal is naturally proposed, and is mainly composed of a wet method and a dry method.

At this time, the wet method is a method in which gold is dissolved by immersing the waste in an acidic solution such as hydrochloric acid or nitric acid, and the gold-containing solution is recovered through precipitation, filtration, washing and melting,

However, when the gold is recovered by the wet method, excessive use of hydrochloric acid and nitric acid for dissolving gold as well as excessive use of water for washing (washing) the waste water, Thereby causing environmental pollution.

Therefore, there is a need to improve this.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 2007-0001511 (name of invention: gold recovery device, 2007.01.14: disclosure).

It is an object of the present invention to provide an electrolytic gold recovery apparatus which is capable of increasing the gold recovery rate by supplying electricity to the anode member and the cathode member by electrolysis.

Another object of the present invention is to provide an electrolytic gold recovery device capable of preventing environmental pollution due to the generation of wastewater by reducing the amount of water used for washing as the gold recovery rate is increased.

Another object of the present invention is to provide an electrolytic gold recovery device capable of increasing the gold adsorption rate on a mesh-type cathode member by generating bubbles in a gold-containing solution using a bubble generator.

According to an aspect of the present invention, there is provided an electrolytic gold recovery apparatus comprising: a reservoir provided in a main body to store a gold-containing solution; An anode member contained in the gold-containing solution of the reservoir and providing an anode; A cathode member disposed adjacent to the anode member and provided with a cathode for the gold-containing solution to collect and recover gold; And a floating promotion part for floating the solid material in the reservoir to prevent solidification of the gold-containing solution.

In addition, the reservoir may include a first reservoir in which the gold-containing solution is supplied and temporarily stored; A second reservoir for storing the recovered gold in the gold-containing solution having the anode member and the cathode member and moved through the first partition member in the first reservoir; And a third storage tank having a water level sensing member for sensing the water level of the gold-containing solution moved through the second partition member in the second reservoir.

Further, the water level sensing member may include a low water level winding sensor for sensing the low level of the third storage tank; And a high level sensing sensor for sensing a high level of the third storage tank.

In addition, the controller receiving the sensing signal of the low level sensing sensor operates the supply pump to supply the gold-containing solution to the storage tank to raise the water level, and the control unit, which receives the sensing signal of the high level sensing sensor, And discharging the gold-containing solution stored in the reservoir to lower the water level.

In addition, the first and second partition members are detachably installed in the reservoir by a guide portion,

And the guide portion is a guide groove formed on at least one of an inner surface and a bottom surface of the reservoir.

The positive electrode member and the negative electrode member are alternately arranged by an attaching portion, and the attaching portion includes a positive electrode fixing member provided on one side of the positive electrode member; A negative electrode fixing member provided on the other side of the negative electrode member; A seating member disposed in the longitudinal direction of both upper side edges of the reservoir and the anode fixing member and the anode fixing member being seated in the seating groove; And an engaging member coupled to the seating member for pressingly supporting the positive electrode fixing member and the negative electrode fixing member.

The cathode member is made of titanium, and the iridium coating is formed on the outside. The anode member and the cathode member are connected to each other through the second reservoir And is guided and assembled by the slot portion on the inner side of the frame.

The floatation promoting unit may include a bubble supplying member disposed in the second reservoir through the first reservoir and the first partition member to supply bubbles to the gold-containing solution; And a bubble generating member connected to the bubble supplying member through a transfer tube and generating bubbles.

The bubble supplying member may include: a connection pipe member connected to the second reservoir from the first reservoir; And a supply pipe member connected to the connection pipe member and disposed at the bottom of the second storage tank to supply bubbles through the discharge hole.

The connection pipe member may include: a first vertical pipe member vertically connected to the bottom of the first storage tank; A horizontal pipe member connected horizontally through the first partition member at an end of the first vertical pipe member; And a second vertical tubular member vertically connected downward to be coupled to the supply pipe member at an end of the horizontal tubular member.

The electrolytic gold recovery device according to the present invention can increase the gold recovery rate by supplying electricity to the anode member and the cathode member and electrolyzing them.

In addition, since the present invention reduces the amount of water used for washing as the gold recovery rate is increased, it is possible to prevent environmental pollution due to the generation of wastewater.

Further, the present invention can increase the gold adsorption rate on the mesh-type cathode member by generating bubbles in the gold-containing solution using the bubble generator.

1 is a perspective view of an electrolytic gold recovery apparatus according to an embodiment of the present invention.
2 is a front view of an electrolytic gold recovery apparatus according to an embodiment of the present invention.
3 is a side view of an electrolytic gold recovery apparatus according to an embodiment of the present invention.
4 is a rear view of an electrolytic gold recovery apparatus according to an embodiment of the present invention.
5 is a plan view of an electrolytic gold recovery apparatus according to an embodiment of the present invention.
6 is an exploded perspective view of an electrolytic gold recovery device according to an embodiment of the present invention.
FIG. 7 is a cross-sectional view of an electrolytic gold recovery device reservoir according to an embodiment of the present invention.
FIG. 8 is a block diagram relating to control of the electrolytic gold recovery device according to the embodiment of the present invention. FIG.

Hereinafter, an electrolytic gold recovery apparatus according to an embodiment of the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view of an electrolytic gold recovering apparatus according to an embodiment of the present invention, FIG. 2 is a front view of an electrolytic gold recovering apparatus according to an embodiment of the present invention, FIG. 3 is a cross- FIG. 4 is a rear view of an electrolytic gold recovery device according to an embodiment of the present invention, and FIG. 5 is a plan view of an electrolytic gold recovery device according to an embodiment of the present invention .

7 is a cross-sectional view of an electrolytic gold recovery device storage tank according to an embodiment of the present invention, and FIG. 8 is a cross-sectional view of the electrolytic gold recovery device according to an embodiment of the present invention. FIG. 3 is a block diagram showing the control related to the electrolytic gold recovery apparatus according to one embodiment of the present invention; FIG.

1 to 8, an electrolytic gold recovery apparatus 100 according to an embodiment of the present invention includes a reservoir 10, an anode member 40, a cathode member 50, and a floating promotion member 70, .

1 to 4, a reservoir 10 is provided in a main body 2 forming an outer shape of an electrolytic gold recovery apparatus 100 according to an embodiment of the present invention, in which a gold-containing solution is stored . Here, the electrolytic gold recovery apparatus 100 according to an embodiment of the present invention will be described on the basis of gold, but any kind of metal such as platinum group metals, silver, copper, and the like can be applied.

The main body 2 is formed in a rectangular parallelepiped case shape and is exposed to the upper side of the storage tank 10. The body (2) is provided with a lid (4) which can cover the storage tank (10). The lid (4) is rotatably provided on the upper side of the main body (2) by a hinge.

The storage tank 10 receives and stores a desorption liquid (gold-containing solution) obtained by separating gold contained in a waste electronic apparatus or the like using an acidic solution such as hydrochloric acid or nitric acid.

The reservoir 10 is in the form of a rectangular box with the top opened. The gold-containing solution is supplied through the supply pipe 32 to recover the gold and then discharged to the outside through the discharge pipe 36.

The reservoir (10) includes a first reservoir (12) in which a gold - containing solution is supplied via a supply hole and temporarily stored. And a second reservoir 14 for storing the recovered gold in the gold-containing solution which has been provided with the anode member 40 and the cathode member 50 and moved from the first reservoir 12 through the first partition member 13 do.

5 to 7, a first partition wall member 13 is provided at a boundary between the first storage tank 12 and the second storage tank 14. As shown in FIG. The first partition wall member 13 is in the form of a plate and can be installed at the boundary of the first and second reservoirs 12 and 14 in the reservoir 10 in a sliding manner. The height of the first partition member 13 is preferably lower than the depth of the reservoir 10. When the water level of the gold-containing solution supplied to the supply hole through the supply pipe 32 gradually increases in the first storage tank 12 and the water level becomes higher than that of the first partition wall member 13, And the gold-containing solution is stored in the second reservoir 14.

The reservoir 10 further includes a third reservoir 16 provided with a level sensing member 20 for sensing the level of the gold-containing solution moved through the second partition member 15 in the second reservoir 14 .

A second partition member 15 is provided at a boundary between the second reservoir 14 and the third reservoir 16. The second partition wall member 15 is in the form of a plate and can be installed at the boundary of the second and third reservoirs 14 and 16 in the reservoir 10 in a sliding manner.

The height of the second partition wall member 15 is preferably lower than the depth of the reservoir 10. When the water level of the gold-containing solution flowing into the second reservoir 14 from the first reservoir 12 gradually increases and the water level becomes higher than that of the second partition wall member 13, The gold-containing solution overflows and is stored in the third reservoir 14. As described above, the low water level and the high water level of the gold-containing solution stored in the third storage tank 16 are sensed by the water level sensing member 20, respectively, so that the entire water level of the storage tank 10 can be adjusted.

The water level sensing member 20 is provided in the mounting plate 28 protruding from the upper edge of the third reservoir tank 16 and extended inwardly into the third reservoir tank 16, Lt; / RTI > The mounting plate 28 is formed in a rectangular shape so as to cover a partial area of the third reservoir 16 with a square on the upper side of the third reservoir 16.

The level sensing member 20 includes a low level winding sensor 22 for sensing the low level of the third storage tank 16 and a high level sensing sensor 24 for sensing the high level of the third storage tank 16.

The control unit 26 receiving the detection signal of the low water level sensor 22 operates the supply pump 30 to supply the gold-containing solution to the inside of the storage tank 10 through the supply pipe 32, The supply pipe 32 is preferably connected to the lower portion of the first reservoir 12.

The supply pipe 32 may be provided with a supply opening / closing valve (number not shown) for opening and closing the supply of the gold-containing solution. The supply opening / closing valve may be any valve as long as it can open or close the flow of the gold-containing solution.

The control unit 26 receiving the detection signal of the high water level sensor 24 operates the discharge pump 34 to discharge the gold-containing solution stored in the storage tank 10 to the outside through the discharge pipe 36 to lower the water level . The discharge pipe 36 is connected to at least one of the second reservoir 14 and the third reservoir 14 to discharge the gold-containing solution to the outside. In the drawings of the present invention, the discharge pipes 36 are shown connected to the lower portions of the second and third reservoirs 14 and 16.

The discharge pipe 36 may be provided with a discharge opening / closing valve (a number not shown) for opening and closing the discharge of the gold-containing solution. Any valve may be used as long as the discharge opening / closing valve can open or close the flow of the gold-containing solution.

When the low water level sensor 22 senses the low water level, the supply pump 30 is operated to supply the gold-containing solution into the storage tank 10 through the supply pipe 32. When the high water level sensor 24 is in the high water level The drain pump 34 is operated to discharge the gold-containing solution to the outside of the storage tank 10 through the discharge pipe 36, so that the water level in the storage tank 10 can be maintained.

The first and second partition wall members 13 and 15 may be detachably installed in the reservoir 10 by a guide portion 18. The guide portion 18 may be a guide groove formed on at least one of the inner surface or the bottom surface of the reservoir 10. [

The guide part 18 is provided in the boundary between the first and second reservoirs 12 and 14 and the boundary between the second and third reservoirs 14 and 16 in the reservoir 10, The members 1 and 15 can be slidably assembled or separated from the upper side to the lower side.

The anode member 40 is contained in the gold-containing solution of the reservoir 10 and provides a positive electrode (+). The anode member 40 is in the form of a rectangular plate, and the anode of the power supply device is connected.

The cathode member 50 is contained in the gold-containing solution of the reservoir 10, and provides a negative electrode (-). The cathode member 50 is formed in the shape of a mesh of a square mesh to connect the cathode of the power supply unit.

The anode member (40) and the cathode member (50) are alternately arranged. In the drawings of the present invention, it is shown that the anode member 40 has four cathode members 50 formed thereon. Thus, when electricity is supplied to the anode member 40 and the cathode member 50 from the power supply unit, the electrolytic reaction is performed on the gold-containing solution stored in the second storage tank 14 of the storage tank 10 So that gold is adhered between the mesh net gaps of the cathode member 50, so that the recovery rate of gold can be increased.

5 and 6, the anode member 40 and the cathode member 50 may be alternately arranged by the mounting portion 50. [

The mounting portion 50 includes a positive electrode fixing member 62 provided on one side of the positive electrode member 50, a negative electrode fixing member 64 provided on the other side of the negative electrode member 50, And a positive electrode fixing member 62 which is connected to the seating member 66 and which is disposed in the longitudinal direction of the positive electrode fixing member 62 and the negative electrode fixing member 64, And an engaging member 68 for pressing and supporting the side surface of the negative electrode fixing member 64.

The positive electrode fixing member 62 and the negative electrode fixing member 6 are metal frames that are bent and installed in the corner portions of the anode member 40 and the cathode member 50.

A pair of seating members 66 are formed in the shape of a block so as to protrude upward and formed with a seating groove 67 at an intermediate portion of which a positive electrode fixing member 62 and a negative electrode fixing member 64 are seated on the seating groove 67, And the side face is pressed and supported by the engaging member 68 which is fastened to the seating member 66. And may be a screw or a bolt which is an engaging member 68.

The cathode member 50 is made of titanium, and an iridium coating is formed on the outside, so that the gold recovery rate can be increased.

The positive electrode member 40 and the negative electrode member 50 can be guided and assembled by the slot portion 69 on the inner surface of the second reservoir 14. [ The slot portion 69 may be recessed by a mounting block protruding from both sides. In addition, the slot 69 may be recessed in the inner wall surface of the second reservoir 14.

The floating promotion part 70 is a configuration for floating the solid matter stored in the reservoir 10 to prevent the solid solution accumulation of the gold-containing solution in the reservoir 10. The floatation promoting unit 70 supplies bubbles or the like so that the solid matter of the gold-containing solution does not remain on the bottom of the storage tank 10 to float the solid matter to help contact with the anode member 50, .

The suspending promoting unit 70 includes a bubble supplying member 80 disposed in the second reservoir 14 through the first reservoir 12 and the first partition member 13 to supply bubbles to the gold-containing solution, And a bubble generating member (90) connected to the member (80) through a transfer pipe (89) and generating bubbles. The bubble supplying member 80 may be a tube member, and the bubble generating member 90 may be an air pump.

The bubble supplying member 80 is connected to the connecting pipe member 82 connected to the second storing tank 14 from the first storing tank 12 and connected to the connecting pipe member 82 and connected to the bottom of the second storing tank 14 And a supply pipe member 88 arranged to discharge and supply the bubbles through the discharge hole 88a.

The connection pipe member 82 is bent in a U-shape and connected from the bottom of the first storage tank 12 to the bottom of the second storage tank 14 to supply the bubbles to the supply pipe member 88. The supply pipe member 88 is disposed longitudinally along the central portion of the second reservoir 14 and spaced apart from the bottom of the second reservoir 14 at a predetermined interval. As shown in Fig. 7, the discharge hole 88a is provided on the bottom surface of the supply pipe member 88 and is configured to discharge the bubble to the floor. Of course, the discharge holes 88a may be provided on both sides of the supply pipe member 88. [ A plurality of discharge holes 88a may be provided so as to have a set interval in the longitudinal direction of the supply pipe member 88. [

The connecting pipe member 82 includes a first vertical pipe member 84 connected vertically from the bottom of the first storage tank 12 and a second horizontal pipe member 84 extending from the end of the first vertical member 84 through the first partition member 13, And a second vertical tubular member 86 vertically connected downward to be coupled to the supply tubular member 88 at the end of the horizontal tubular member 84. [

It is preferable that the horizontal pipe member 85 moves to the upper side of the first partition member 13.

Meanwhile, the second reservoir 14 may be provided with the auxiliary partition wall member 92 disposed vertically adjacent to the second partition wall member 14 and having a height higher than that of the second partition wall member 14. The upper side of the auxiliary partition wall member 14 is formed to be equal to or higher than the height of the second reservoir 14 to prevent the gold-containing solution from overflowing to the upper side. 7, the auxiliary partition wall member 92 is disposed above the supply pipe member 88 of the floating promotion part 70, and thus has a spacing space between it and the bottom of the second storage tank 14.

The auxiliary partition wall member 92 is moved by the movement of the gold containing solution through the spacing space portion formed between the bottom of the second reservoir 14 and the bottom surface of the auxiliary partition wall member 92 as it is housed in the supply pipe member 88, The gold-containing solution is caused to flow upward through the space between the second partition wall member 90 and the second partition wall member 15 so as to gradually overflow in the second partition wall member 15 and flow into the third storage tank 16, The recovery time of the gold-containing solution can be increased by increasing the retention time at the outlet 14, and the flow rate of the gold-containing solution can be controlled.

Meanwhile, the auxiliary partition wall member 92 may be inserted into the guide groove formed on the inner surface of the second reservoir 14 and slide on the upper side.

Therefore, the electrolytic gold recovery device according to an embodiment of the present invention can increase the gold recovery rate by supplying electricity to the anode member and the cathode member and electrolyzing them. In addition, since the present invention reduces the amount of water used for washing as the gold recovery rate is increased, it is possible to prevent environmental pollution due to the generation of wastewater. Further, the present invention can increase the gold adsorption rate on the mesh-type cathode member by generating bubbles in the gold-containing solution using the bubble generator.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the following claims.

2: Body 4: Lid
10: Storage tank 12: First storage tank
13: first partition member 14: second storage tank
15: second partition member 16: third storage tank
18: guide part 20: water level sensing member
22: low water level sensor 24: high water level sensor
26: Control unit 30: Feed pump
32: supply pipe 34: discharge pump
36: discharge pipe 40: positive electrode member
50: cathode member 60:
62: positive electrode fixing member 64: negative electrode fixing member
66: seat member 67: seat member
68: engaging member 69:
70: floating promotion part 80: bubble supplying member
82: connecting pipe member 84: first vertical pipe member
85: horizontal pipe member 86: second vertical pipe member
88: feed pipe member 89: feed pipe
90: bubble generating member 100: electrolytic gold recovery device

Claims (10)

A storage tank provided in the main body and storing the gold-containing solution; An anode member contained in the gold-containing solution of the reservoir and providing an anode; A cathode member disposed adjacent to the anode member and provided with a cathode for the gold-containing solution to collect and recover gold; And a suspending promoting part for suspending the solid material in the reservoir to prevent solid accumulation of the gold-containing solution,
Wherein the reservoir comprises: a first reservoir in which the gold-containing solution is supplied and temporarily stored; A second reservoir for storing the recovered gold in the gold-containing solution having the anode member and the cathode member and moved through the first partition member in the first reservoir; And a third storage tank having a water level sensing member for sensing the water level of the gold-containing solution moved through the second partition member in the second reservoir,
Wherein the floating promotion part includes a bubble supplying member disposed in the second reservoir through the first reservoir and the first partition member to supply bubbles to the gold-containing solution; And a bubble generating member connected to the bubble supplying member through a transfer tube and generating bubbles,
Wherein the bubble supplying member includes: a connection pipe member connected to the second reservoir from the first reservoir; And a supply pipe member connected to the connection pipe member and disposed at the bottom along the central portion of the second storage tank to supply bubbles through the discharge hole,
Wherein the supply pipe member is spaced apart from the bottom of the second storage tank by a predetermined interval so that the discharge hole discharges bubbles to the floor,
The second reservoir is provided with a sub partition member adjacent to the second partition member and having a height higher than that of the second partition member,
The auxiliary partition wall member is formed to be equal to or higher than the height of the second reservoir,
Wherein the auxiliary partition wall member is disposed on the upper side of the supply pipe member so that a spacing space is formed between the auxiliary partition wall member and the bottom of the second storage tank to increase the time for which the gold containing solution is retained in the second storage tank, Device.
delete The method according to claim 1,
The water level sensing member includes:
A low level winding sensor for sensing the low level of the third storage tank; And
A high-level sensing sensor for sensing a high level of the third storage tank;
Wherein the electrolytic gold recovery device comprises:
The method of claim 3,
The control unit receiving the detection signal of the low level sensing sensor operates the supply pump to supply the gold-containing solution to the supply pipe to raise the water level,
Wherein the control unit receiving the sensing signal of the high-level sensing sensor operates the discharge pump to discharge the gold-containing solution stored in the storage tank to the discharge pipe to lower the water level.
The method according to claim 1 or 3,
Wherein the first and second partition members are detachably installed in the reservoir by a guide portion,
Wherein the guide portion is a guide groove formed on at least one of an inner surface and a bottom surface of the reservoir.
The method according to claim 1,
Wherein the positive electrode member and the negative electrode member are alternately arranged by a mounting portion,
The mounting portion
A positive electrode fixing member provided on one side of the positive electrode member;
A negative electrode fixing member provided on the other side of the negative electrode member;
A seating member disposed in the longitudinal direction of both upper side edges of the reservoir and the anode fixing member and the anode fixing member being seated in the seating groove; And
And an engaging member coupled to the seating member for pressingly supporting the positive electrode fixing member and the negative electrode fixing member
Wherein the electrolytic gold recovery device comprises:
The method according to claim 1,
Wherein the anode member is a rectangular plate member,
Wherein the cathode member comprises a rectangular mesh net,
Wherein the cathode member is made of titanium, an iridium coating is formed on the outside,
Wherein the positive electrode member and the negative electrode member are guided and assembled by a slot portion on the inner surface of the second reservoir.
delete delete The method according to claim 1,
The connection pipe member,
A first vertical tubular member vertically connected from the bottom of the first reservoir;
A horizontal pipe member connected horizontally through the first partition member at an end of the first vertical pipe member; And
And a second vertical tubular member vertically connected downward to be coupled to the supply pipe member at an end of the horizontal pipe member
Wherein the electrolytic gold recovery device comprises:

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