CN206089837U - Horizontal high current density's electrolytic refining of silver equipment - Google Patents
Horizontal high current density's electrolytic refining of silver equipment Download PDFInfo
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- CN206089837U CN206089837U CN201621101599.9U CN201621101599U CN206089837U CN 206089837 U CN206089837 U CN 206089837U CN 201621101599 U CN201621101599 U CN 201621101599U CN 206089837 U CN206089837 U CN 206089837U
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Abstract
The utility model discloses a horizontal high current density's electrolytic refining of silver equipment, it has been solved among the prior art silver -colored electrolyte and has accounted for and press greatly, and electrolysis speed is slow, and current density is little, produces concentration polarization's technical problem easily. The technical scheme who adopts does: be equipped with gear motor and circulation tank on the silver electrolysis trough, circulation tank passes through a feed liquor pipeline intercommunication of circulating pump and silver -colored electrolysis trough lower part, the inside of silver electrolysis trough is formed with a plurality of workspaces through the partition of a plurality of stationary barriers, hang in the workspace that to have put the positive pole silver plate a plurality of, the both sides interfacial of each positive pole silver plate is at a distance from being equipped with negative pole titanium board, the both sides face laminating of each negative pole titanium board has the silver powder scraper blade, the top of each negative pole titanium board is connected on the conductive copper plate of workspace, the afterbody of the automatic conveyer belt mechanism of workspace runs through and stretches out silver -colored electrolysis trough, gear motor articulates there is connecting rod no. 1, a connecting rod hinge joint linkage no. 2, this connecting rod no. 2 articulates with the stirring frame, the silver powder scraper blade is connected with the stirring frame, the overflow launder and the circulation tank intercommunication of silver electrolysis trough.
Description
Technical field
The utility model is related to a kind of electrorefining of silver technology, especially a kind of electrorefining of silver of horizontal high current density
Equipment.
Background technology
Electrorefining of silver is the process of widely used purification silver both at home and abroad.Raw material for thick silver (argentiferous 90-
99%), the product after refining is No. 1 silver of GB of argentiferous 99.99%.Basic process is：With thick silver (general argentiferous 90% with
On) it is anode, titanium plate (or corrosion resistant plate) is negative electrode, and silver nitrate solution is electrolyte, passes to direct current and is electrolysed.It was electrolysed
Cheng Zhong, thick silver anode constantly dissolves, and fine silver is constantly separated out in silver powder form in negative electrode, and is fallen into by manually scraping in silver powder
Bottom land, so as to reach the purpose of silver purification.
The electrolysis unit of current density of the prior art, including electrolysis power, electrolytic cell body, electrolyte circulation system
(containing head tank, Lower tank, circulating pump and pipeline), anode stub (and anode hook), cathode titanium plates, cathode and anode busbar, silver powder
Conveying device, silver powder filtration wash unit etc., its structure current density：200-350A/㎡.Electrolyte contains silver concentration：About 100g/
l；Electrolyte endless form：Electrolyte flows into electrolytic cell from head tank, and flow direction of the electrolyte in electrolytic cell is perpendicular to
Anode, cathode titanium plates, overflow stream is pumped into head tank to Lower tank, then with circulation.The silver powder separated out in cathode titanium plates is needed
Manually to scrape.Using crawler belt mode of movement, (indivedual producers also have and manually silver powder are dragged for from electrolytic cell silver powder discharge method
).The silver powder separated out on negative electrode is scraped on the mechanical conveyer belt of bottom land, through the ramp structure of groove leading portion, is transferred out
Electrolytic cell, finally falls directly on the car of transport silver powder.The method and apparatus of above-mentioned technique exist silver electrolyte account for pressure it is larger, electricity
Solution speed is slow, and current density is little, easily produces the defect of concentration polarization.
Therefore, there is disadvantages mentioned above in view of common prior art, inventor is directed to the road of aforesaid drawbacks Improvement, eventually
In there is generation of the present utility model.
The content of the invention
The purpose of this utility model is a kind of raising operating efficiency designed to solve the not enough of above-mentioned technology, is reduced
The electrorefining of silver equipment of the horizontal high current density of cost.
The electrorefining of silver equipment of the horizontal high current density designed by the utility model, including holding silver nitrate solution
Silver-colored electrolytic cell, the right part of the silver-colored electrolytic cell is provided with reducing motor and cyclic water tank, if the inside of the silver-colored electrolytic cell passes through
Solid determine dividing plate has been separated to form some workspaces, and at the top of the workspace conductive copper plate is provided with, and copper hook is passed through in the workspace
Hang that anode silver plate is some, the two sides of each anode silver plate are interval with cathode titanium plates, the two sides laminating of each cathode titanium plates
Have silver powder scraper plate, be connected on conductive copper plate at the top of each cathode titanium plates, and silver powder scraper plate is away from anode silver plate, workspace it is upper
Side is provided with puddle support, and the feed tube of automatic delivering belt mechanism, input duct one and some horizontally sets is provided with below workspace
Road two, and input duct one is interconnected with input duct two, the feed liquor of the Single port of input duct one and silver-colored electrolytic cell bottom
Mouth connection, input duct two is provided with some fluid holes, and cyclic water tank is by circulating pump and the inlet company of silver-colored electrolytic cell bottom
Logical, the afterbody of automatic delivering belt mechanism is in obliquely through the left part for stretching out silver-colored electrolytic cell, in the rotary shaft of the reducing motor
Connecting rod one is hinged with, the other end articulated linkage two of the connecting rod one, the other end and the puddle support of the connecting rod two are hinged, and silver powder is scraped
Plate is connected by screw bolt and nut with puddle support, the top oral area of the silver-colored electrolytic cell is provided with overflow launder, and the overflow launder goes out liquid
Mouth is connected by pipeline with cyclic water tank.
Further preferably have：The automatic delivering belt mechanism includes motor, support, conveyer belt, conveying roller one and some defeated
Roller two is sent, the motor is fixed on the top of support, and support is located at the left part of silver-colored electrolytic cell, the horizontal row of some conveying rollers two
The lower section of workspace is listed in, conveyer belt is placed on some conveying rollers two, the afterbody of the conveyer belt is in be inclined upwardly to run through to stretch out silver
The left part of electrolytic cell is simultaneously placed in the rotating disk of motor, and the compacting of conveying roller one fits in the middle part of conveyer belt.
Further preferably have：The bottom of the workspace is enclosed and is provided with striker plate, and striker plate is located at conveyer belt with work
Between the bottom in area.
Further preferably have：Also include motor rack and control cabinet, the reducing motor is fixed on the top of motor rack, described
Conductive copper plate is connected by conducting copper with control cabinet.
Further preferably have：The left part of silver-colored electrolytic cell funnel-form triangular in shape, and the cell body of silver-colored electrolytic cell
Outside portion is additionally provided with powder output slot, for holding the silver powder that conveyer belt is fallen down in course of conveying, and powder output slot close to
In discharge position under funnelform silver-colored electrolytic cell left part funnel.Powder output slot powder output slot
Further preferably have：To be provided with support bar some for transverse strands in the silver-colored electrolytic cell.
Further preferably have：The notch edge of the silver-colored electrolytic cell is fixed with roller, and the bottom of roller and puddle support
Laminating.
Further preferably：Connection between the conducting copper and conductive copper plate is bolt connection.
The electrorefining of silver equipment of the horizontal high current density designed by the utility model, electrolyte is entered by inlet
Input duct one, the electrolyte of input duct is entered in input duct two, and the electrolyte in input duct two is by by a set pattern
Some fluid holes that rule is opened up carry out going out liquid in silver-colored electrolytic cell so that flowing trend and negative electrode of the electrolyte in silver-colored electrolytic cell
Plate and positive plate are in PARALLEL FLOW, and electrolyte flow direction in a cell is bottom in and top out, efficiently reduces negative and positive
Concentration polarization between pole.Also improve the current density of electrolyte simultaneously, shorten the production cycle, reduce production cost and
Fund accounts for the pressure time, meanwhile, the spacing reasonable disposition between cathode titanium plates and anode silver plate so as to which electrolytic efficiency reaches maximum
Change.
Additionally, carrying out silver-colored electrolysis production using high current density, its current density for producing is silver-colored electrolytic cell conventional at present
2-3 times.The production capacity (increase by 1-2 times) of equipment is effectively increased, silver accounting for pressure and damage in process of production is substantially reduce the number
Lose, improve operating efficiency, drastically reduce the area financial cost so that enterprise there can be more sufficient circulating fund.
Description of the drawings
Fig. 1 is the overall structure diagram () of embodiment 1；
Fig. 2 is the overall structure diagram (two) of embodiment 1；
Fig. 3 is the workspace internal structure schematic diagram of embodiment 1；
Fig. 4 is the sectional view of embodiment 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
Embodiment 1：
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the electrorefining of silver of the horizontal high current density described by the present embodiment sets
Standby, including the silver-colored electrolytic cell 1 for holding silver nitrate solution, the right part of the silver-colored electrolytic cell 1 is provided with reducing motor 9 and cyclic water tank
12, the inside of the silver-colored electrolytic cell 1 has been separated to form some workspaces 6 by some stationary barriers 15, the top of the workspace 6
Conductive copper plate 3 is provided with, is hooked by copper in the workspace 6 and is equipped with that anode silver plate 5 is some, the two sides of each anode silver plate 5 are spaced
Cathode titanium plates 4 are provided with, the two sides of each cathode titanium plates 4 are fitted with silver powder scraper plate 7, and the top of each cathode titanium plates 4 is connected to conduction
On copper coin 3, and silver powder scraper plate 7, away from anode silver plate 5, the top of workspace 6 is provided with puddle support 8, and the lower section of workspace 6 is provided with certainly
The input duct 2 30 of dynamic conveyer belt mechanism 21, input duct 1 and some horizontally sets, and input duct 1 and feed liquor
Pipeline 2 30 is interconnected, and the Single port of input duct 1 is connected with the inlet 31 of the silver-colored bottom of electrolytic cell 1, input duct two
30 are provided with some fluid holes 33, and cyclic water tank 12 is connected by circulating pump 13 with the inlet 31 of the silver-colored bottom of electrolytic cell 1, automatically
The afterbody of conveyer belt mechanism 21 is in obliquely, through the left part for stretching out silver-colored electrolytic cell 1, to be hinged in the rotary shaft of the reducing motor 9
There is connecting rod 1, the other end articulated linkage 2 24 of the connecting rod 1, the other end and the puddle support 8 of the connecting rod 2 24 are hinged, and
Silver powder scraper plate 7 is connected by screw bolt and nut with puddle support 8, and the top oral area of the silver-colored electrolytic cell 1 is provided with overflow launder 24, and this overflows
The liquid outlet of chute 24 is connected by pipeline with cyclic water tank 12.Wherein silver powder scraper plate 7, reducing motor 9, cam 10 and puddle support
8 combination has reached and has automatically scraped in the silver powder on anode silver plate 5 so that automaticity is higher, is easy to what automatic transport went out
Silver powder can automatically fall into transport in-car, increase operating efficiency, and realize the effect of silver electrolyte PARALLEL FLOW.
Motor 20, support 18, conveyer belt 22, conveying roller one are included by the automatic delivering belt mechanism 21 in the present embodiment
16 and some conveying rollers 2 17, the motor 20 is fixed on the top of support 18, and support 18 is located at the left part of silver-colored electrolytic cell 1,
Some conveying rollers 2 17 are horizontally arranged in the lower section of workspace, and conveyer belt 22 is placed on some conveying rollers 2 17, the conveyer belt
22 afterbody is in be inclined upwardly through the left part for stretching out silver-colored electrolytic cell 1 and be placed in the rotating disk 19 of motor 20, the conveying roller
One 16 compactings fit in the middle part of conveyer belt 22.Gone out by the way of silver powder using conveyer belt 22.Silver powder is transported from groove by conveyer belt
Come, the transport for being fed directly to transport silver powder is in-car, finally sends to washing, ingot casting.Mitigate labor strength.
Enclosed by the bottom of the workspace 6 in the present embodiment and be provided with striker plate 14, and striker plate 14 is located at conveyer belt
Between 22 and the bottom of workspace 6, in order to the silver powder for being scraped does not fall into the bottom of silver-colored electrolytic cell, using effect is improved.
By also including motor rack 11 and control cabinet 26 in the present embodiment, the reducing motor 9 is fixed on motor rack 11
Top, the conductive copper plate 3 is connected by conducting copper 27 with control cabinet 26, in order to improve Practical Performance, and electric conductivity compared with
It is good.
By the funnel-form that the left part of the silver-colored electrolytic cell 1 is triangular in shape in the present embodiment, and the groove of silver-colored electrolytic cell 1
External sidepiece is additionally provided with powder output slot 23, for holding the silver powder that conveyer belt is fallen down in course of conveying, and powder output slot 23
Close in discharge position under the left part funnel of funnelform silver-colored electrolytic cell 1.Powder output slot powder output slot causes conveyer belt 22 conveying
The silver powder fallen down in journey is easy to insert in powder output slot 23, also allows for notch and draws out the silver powder for dropping.
Support bar 2 is provided with the present embodiment by transverse strands in the silver-colored electrolytic cell 1 some, play fixation, and
With the effect for preventing cell body from deforming.
Roller 28, and roller 28 and puddle support 8 are fixed with by the notch edge of the silver-colored electrolytic cell 1 in the present embodiment
Bottom laminating, in order that puddle support just makees onto a working area more smooth during alternating translational, improve Practical Performance.
In the present embodiment by the connection between the conducting copper 27 and conductive copper plate 3 be bolt connection.It is connected firmly
It is reliable.
Operation principle：Electrolyte enters input duct one by inlet, and the electrolyte of input duct enters input duct
In two, and the electrolyte in input duct two is carried out going out liquid in silver-colored electrolytic cell by some fluid holes for opening up according to certain rules,
So that flowing trend of the electrolyte in silver-colored electrolytic cell is in PARALLEL FLOW with minus plate and positive plate, and electrolyte is in a cell
Flow direction be bottom in and top out, efficiently reduce the concentration polarization between anode and cathode, the silver for then being separated out by anode silver plate
Powder is adsorbed in cathode titanium plates, is then scraped in the silver powder of cathode titanium plates by silver powder scraper plate.Ensureing that quality of cathode silver reaches state
On the premise of No. 1 silver of mark, the current density of electrolysis production is greatly improved, and reduces the concentration of silver ions in electrolyte.
Reduce the silver in production procedure and account for pressure quantity, reduce the circulating fund of enterprise.Wherein current density：700-1000A/ ㎡,
Electrolyte concentration of silver ions：80-120g/l.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model
Other various forms of products, however, make any change in its shape or structure, it is every with same as the present application or phase
Approximate technical scheme, all falls within protection domain of the present utility model.
Claims (8)
1. a kind of electrorefining of silver equipment of horizontal high current density, including the silver-colored electrolytic cell for holding silver nitrate solution, its feature
It is：The right part of the silver-colored electrolytic cell is provided with reducing motor and cyclic water tank, if the inside of the silver-colored electrolytic cell is by solid
Determine dividing plate has been separated to form some workspaces, and at the top of the workspace conductive copper plate is provided with, and is hooked by copper in the workspace and is put
There is anode silver plate some, the two sides of each anode silver plate are interval with cathode titanium plates, and the two sides of each cathode titanium plates are fitted with silver
Powder scraper plate, is connected on conductive copper plate at the top of each cathode titanium plates, and silver powder scraper plate sets away from anode silver plate above workspace
There is puddle support, the input duct two of automatic delivering belt mechanism, input duct one and some horizontally sets be provided with below workspace,
And input duct one is interconnected with input duct two, the Single port of input duct one connects with the inlet of silver-colored electrolytic cell bottom
Logical, input duct two is provided with some fluid holes, and cyclic water tank is connected by circulating pump with the inlet of silver-colored electrolytic cell bottom, from
The afterbody of dynamic conveyer belt mechanism is in obliquely, through the left part for stretching out silver-colored electrolytic cell, to be hinged with the rotary shaft of the reducing motor
Connecting rod one, the other end of the connecting rod one is hinged with connecting rod two, and the other end and the puddle support of the connecting rod two are hinged, and silver powder scraper plate is logical
Cross screw bolt and nut to be connected with puddle support, the top oral area of the silver-colored electrolytic cell is provided with overflow launder, the liquid outlet of the overflow launder leads to
Piping is connected with cyclic water tank.
2. the electrorefining of silver equipment of horizontal high current density according to claim 1, it is characterised in that：It is described automatically defeated
Tape-feed includes motor, support, conveyer belt, conveying roller one and some conveying rollers two, and the motor is fixed on the top of support, and
Support is located at the left part of silver-colored electrolytic cell, and some conveying rollers two are horizontally arranged in the lower section of workspace, and conveyer belt is placed on some
On conveying roller two, the afterbody of the conveyer belt runs through the rotating disk stretched out the left part of silver-colored electrolytic cell and be placed on motor in being inclined upwardly
On, the compacting of conveying roller one fits in the middle part of conveyer belt.
3. the electrorefining of silver equipment of horizontal high current density according to claim 2, it is characterised in that：The workspace
Bottom enclose and be provided with striker plate, and striker plate is located between conveyer belt and the bottom of workspace.
4. the electrorefining of silver equipment of horizontal high current density according to claim 1, it is characterised in that：Also include motor
Frame and control cabinet, the reducing motor is fixed on the top of motor rack, and the conductive copper plate is connected by conducting copper with control cabinet
Connect.
5. the electrorefining of silver equipment of horizontal high current density according to claim 1, it is characterised in that：The silver electrolysis
The left part of groove funnel-form triangular in shape, and the cell body outside portion of silver-colored electrolytic cell is additionally provided with powder output slot powder output slot, for containing
The silver powder that conveyer belt is fallen down in course of conveying, and powder output slot are put close in funnelform silver-colored electrolytic cell left part leakage
The lower discharge position of bucket.
6. the electrorefining of silver equipment of horizontal high current density according to claim 1, it is characterised in that：The silver electrolysis
To be provided with support bar some for transverse strands in groove.
7. the electrorefining of silver equipment of horizontal high current density according to claim 1, it is characterised in that：The silver electrolysis
The notch edge of groove is fixed with roller, and roller is fitted with the bottom of puddle support.
8. the electrorefining of silver equipment of horizontal high current density according to claim 4, it is characterised in that：The conductive copper
Connection between row and conductive copper plate is bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101599.9U CN206089837U (en) | 2016-09-30 | 2016-09-30 | Horizontal high current density's electrolytic refining of silver equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101599.9U CN206089837U (en) | 2016-09-30 | 2016-09-30 | Horizontal high current density's electrolytic refining of silver equipment |
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| CN206089837U true CN206089837U (en) | 2017-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023434A (en) * | 2018-09-06 | 2018-12-18 | 深圳金莱利黄金珠宝有限公司 | A kind of preparation method, its purifying plant and its product of high pure metal silver |
-
2016
- 2016-09-30 CN CN201621101599.9U patent/CN206089837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023434A (en) * | 2018-09-06 | 2018-12-18 | 深圳金莱利黄金珠宝有限公司 | A kind of preparation method, its purifying plant and its product of high pure metal silver |
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