CN106544700B - A kind of electrolytic silver powder preparation system - Google Patents
A kind of electrolytic silver powder preparation system Download PDFInfo
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- CN106544700B CN106544700B CN201710035010.2A CN201710035010A CN106544700B CN 106544700 B CN106544700 B CN 106544700B CN 201710035010 A CN201710035010 A CN 201710035010A CN 106544700 B CN106544700 B CN 106544700B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C5/00—Electrolytic production, recovery or refining of metal powders or porous metal masses
- C25C5/02—Electrolytic production, recovery or refining of metal powders or porous metal masses from solutions
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
- C25C7/08—Separating of deposited metals from the cathode
Abstract
The invention discloses a kind of electrolytic silver powder preparation system, including electrolytic cell, negative electrode and anode, anode and cathode cooling system, screw rod stirring powder-scraping device, chain chip Chu Fen mechanisms, and decontamination cycle system；Anode and cathode cooling system includes circulating pump, circulation water inlet pipe, circulating line, recycling outlet and circulation cooling groove；Screw rod stirring powder-scraping device includes motor, mobile connecting rod, support bar and scrapes powder scraper plate；Chain chip Chu Fen mechanisms, including chain drum, chain and go out powder scraper plate, and to drive the driving motor that chain drum rotates；Decontamination cycle system includes the electrolyte purification circulatory system and waste gas cleaning system.Electrolytic speed of the present invention is fast, and production efficiency and yield are high, and space-consuming is few, noise is small, and it is fast to go out powder speed, realizes out that powder automates, realizes decontamination cycle recycling and effective purification of waste gas to electrolyte.
Description
Technical field
The present invention relates to a kind of electrolytic silver powder preparation facilities, more particularly to electrolytic silver powder preparation system.
Background technology
Electrolytic silver is by impure thick common method of the silver material by electrolytic preparation into high purity silver, wherein electrolysis is straight
The effect of electricity is flowed, makes electrolyte solution or fused electrolyte that the process of oxidation-reduction reaction occur on negative and positive the two poles of the earth.Herein
During, electric energy is constantly converted into chemical energy, because different metals has each different theoretical electrode current potentials.In general
The theoretical potential that metal ion separates out is higher, easier to be separated out on electrode, and the theoretical potential that metal ion separates out is lower, more
It is not easy to separate out on electrode.As long as therefore control certain electrolytic condition, it is possible to pure argent is separated out on negative electrode.And
Other impurities can be then left in electrolyte, so as to reach the purpose of electrorefining.
Electrolysis unit mainly takes powder powder outlet device group by electrolytic cell, negative electrode, anode, electrolyte, power supply, electrolytic silver powder
Into.Anode electrolysis material and negative electrode on anode are immersed in the electrolyte in electrolytic cell, after power supply is passed through, anode electrolysis
Oxidation just occurs for material, and argent ejected electron becomes silver ion（Ag+）Go in electrolyte, while occur also on negative electrode
Original work are used, and silver ion obtains electronics and is reduced into argent and separates out in electrolyte.
Produced in prior art silver electrolysis production using suspension type positive plate as electrode, anode electrolysis material is made
Whole block material suspension immersion is used as anode in the electrolytic solution, and this mode increases with electrolysis time, and annode area will be reduced constantly
Production yields is caused to reduce；And anode surface current density is small, electrolytic speed is slow, while the anode electrolysis material purchased will enter
Row dissolves cast panel into positive plate, it is necessary to consume the extra production time；In addition, using slab anode, it is big that anode anode scrap returns melt,
Production cost, labor intensity all accordingly increase.
In the prior art during fine silver electrolysis production, electrolysis uses DC electrolysis production method always, is heated up by electrode
Influence, Faradaic current highest is limited in 650 peaces.
In existing silver-colored electrolytic process, have and stir and scrape powder using artificial, efficiency is low, dangerous big, also has using basket posture
Mechanical agitation and powder is scraped, but space-consuming is more, noise is big.
The silver powder that catholyte separates out, it is most of to be struck off and deposited by powder-scraping device except part absorption is on negative electrode
In bottom of electrolytic tank.And with the progress of electrolysis, the silver powder of deposition is more and more, constantly must just take out from electrolytic cell and defeated
Deliver to outside electrolytic cell and carry out subsequent treatment.In the prior art, the silver powder recovery after electrolysis is collected using artificial shovel powder, and efficiency is low.
The content of the invention
An object of the present invention is：A kind of electrolytic silver powder preparation system is proposed, anodic current density is big, electrolytic speed
It hurry up, no anode anode scrap produces, and raw material and processing waste material are high without re-melting, production efficiency；
The second object of the present invention is：Faradaic current can be increased substantially, so as to greatly improve production efficiency and production
Amount；
The third object of the present invention is：Scrape powder stirring efficiency height, space-consuming is few, noise is small；
The fourth object of the present invention is：Powder speed is improved out, realizes out that powder automates；
The fifth object of the present invention is：Realize the decontamination cycle recycling and effective purification of waste gas to electrolyte.
The purpose of the present invention is realized by following technical proposals：
A kind of electrolytic silver powder preparation system, it is characterised in that：Including electrolytic cell, negative electrode and anode, anode and cathode cooling system,
Screw rod stirring powder-scraping device, chain chip Chu Fen mechanisms, and decontamination cycle system, electrolytic cell is interior to be provided with negative electrode and anode, sun
Hollow frame structure extremely made of a conductive metallic material, framework is interior to be provided with to place the cavity of anode electrolysis material, frame
It is outer with framework internal cavity that framework is communicated with body wall, to make the anode electrolysis material in cavity be led to by what electrolyte soaked
Road；
Anode and cathode cooling system includes circulating pump, circulation water inlet pipe, circulating line, recycling outlet and circulation cooling groove,
Cathode and anode and circulating pump, circulation water inlet pipe, circulating line, recycling outlet and circulation cooling groove form a Water-cooling circulating, follow
The delivery port of ring radiating groove passes through circulation water inlet pipe and circulation with circulating pump water inlet by pipeline connection, the delivery port of circulating pump
Pipeline communication, circulating line connect with recycling outlet again after being connected with anode and cathode, recycling outlet again with circulation cooling groove
Water inlet connects；
Screw rod stirring powder-scraping device includes motor, mobile connecting rod, support bar and scrapes powder scraper plate, and support bar is connected to
On mobile connecting rod, motor, which be connected the mobile connecting rod of driving with mobile connecting rod and drives support bar edge to move connecting rod, to be moved back and forth, branch
It is spaced to be provided with side by side on strut and some scrapes powder scraper plate to strike off the silver powder on negative electrode；
Chain chip Chu Fen mechanisms, including chain drum, chain and go out powder scraper plate, and the transmission electricity to drive chain drum to rotate
Machine, electrolytic cell have a heavy foundation cream face of deposit electrolyte silver powder, and the inclination of the heavy foundation cream face of connection and meal outlet is gradually high by one
Go out powder inclined-plane, chain is along heavy foundation cream face and goes out powder inclined-plane continuously near arrangement to meal outlet, and several by being arranged along chain
Chain drum drives the single-revolution carrier chain to be formed and nearby be operated back and forth along heavy foundation cream face to meal outlet, is distributed along its length on chain
If do powder scraper plate, and respectively go out powder scraper plate be close in the lower conveyor surface of operating on chain to rotary chain heavy foundation cream face or
Go out powder inclined-plane；
Decontamination cycle system, including the electrolyte purification circulatory system, the electrolyte purification circulatory system include electrolytic cell, purification
Tank, filtering tank, fluid reservoir and circulating pump, the electrolyte outlet of electrolytic cell are connected by circulating pump with the entrance of purification pot, purification
The outlet of tank is connected by circulating pump with the entrance of filtering tank, and the outlet of filtering tank is connected by the entrance of circulating pump and fluid reservoir
Logical, the outlet of fluid reservoir is connected by circulating pump with the electrolyte entrance of electrolytic cell.
This patent uses frame anode, and anode electrolysis material, which is directly placed in framework, to be electrolysed, anode electrolysis material
Can be fritter shape or graininess or it is powdered be deposited in framework, anode electrolysis material and the last batch electrolysis of buying are residual
Remaining anode electrolysis material can be directly placed into framework Inner electrolysis, without dissolve cast panel into positive plate, production efficiency height；Sun
Electrode current density is big, and electrolytic speed is fast, and no anode anode scrap produces.
By setting cooling system in this patent, cooling system forms Water-cooling circulating carries out cooling water temperature to electrode makes electricity
Solution electric current can reach more than 2200 amperes, 2000 amperes of normal use, improve more than 3 times, carry than past 650 amperes of Faradaic currents
The high current density of electrode, a double electrolytic cells are passed through 2000 peace Faradaic currents and worked the 400 kilograms of fine silver powder of production in 24 hours
（99.99%）, the production capacity for producing 275 kilograms of products, significantly improving fine silver powder daily than former used equipment more.In the water
In SAPMAC method, after cooling water cools down anode and cathode absorption heat heating in anode and cathode, circulating line and cyclic water outlet are passed sequentially through
Pipe, the water inlet of circulation cooling groove enter in circulation cooling groove, in circulation cooling groove after cooling water radiating and cooling, further through going out
The mouth of a river is again introduced into anode and cathode with circulating pump, circulation water inlet pipe and circulating line, thus forms circulation.
In this patent, the mobile connecting rod drive support bar edge of motor driving is moved connecting rod and moved back and forth, on support bar
Scrape in powder scraper plate insertion electrolytic cell, also realize the stirring to electrolyte while striking off the silver powder on negative electrode, overall structure is simple
Reliably, efficiency high, space-consuming are few, noise is small.
In this patent, driving motor drives chain drum to rotate, and chain drum drives chain along heavy foundation cream face and to go out powder inclined-plane continuous
Operate back and forth, bottom of electrolytic tank forms a rotary chain being made up of upper conveyor surface and lower conveyor surface, the lower heavy powder in conveyor surface edge
Bottom surface returns to heavy foundation cream face from meal outlet again with powder inclined-plane to meal outlet, upper conveyor surface is gone out, and forms single-revolution and conveys circulation.Chain
If provided with doing powder scraper plate, when operating is to lower conveyor surface, goes out powder scraper plate and be close to electrolytic cell bottom surface, electrolytic cell is sunk into foundation cream face
The silver powder of deposition constantly strikes off and is delivered to meal outlet along powder inclined-plane is gone out, then discharges electrolytic cell by meal outlet, is sent into next place
Manage link.
In this patent, the exceeded electrolyte of impurity concentration in electrolytic cell enters purification pot, and purification pot first surpasses impurity concentration
Mark electrolyte comes out contamination precipitation by adding reagent mode, subsequently into filtering tank by contaminant filter, finally enters storage
Tank preserves, and the electrolyte that holding vessel preserves returns again to electrolytic cell, realizes that electrolyte purification recycles and electrolysis waste solution zero-emission.
Alternatively, negative electrode is platy structure made of a conductive metallic material, if anode is arranged side by side with cathode separation
Dry.In the program, multiple anode and cathodes are arranged side by side into one group of anode and cathode group, can set multigroup anode and cathode group.
Alternatively, framework interior edge framework wall is additionally provided with filter cloth or filter bag.In the program, filter cloth or filtering are set
Bag prevents impurity caused by the electrolysis of anode electrolysis material from entering electrolyte, while makes graininess or even powdered anode electrolysis
Material conveniently can load in anode frame body.
Alternatively, the passage on framework wall is the hole on framework wall.
Alternatively, negative electrode and anode are made by titanium.In the program, titanium metal material both has good conductive
Property, it can be corroded again with electrolyte resistance.
Alternatively, anode is hollow frame structure made of a conductive metallic material, including the conductive ear of support and framework,
The two conductive ears of support are individually fixed in left and right ends at the top of framework, and the two conductive ears of support are hollow structure, and between
Pipeline communication, support conductive ear to be connected with circulating line, and support conductive ear and tube contacts cooling water SI semi-insulation.The program
In, because the two conductive ears of support are hollow and by pipeline communication, the cooling water come by circulating line, thus to the conductive ear of support
Realization is cooled down to cool to the electrode.
Alternatively, negative electrode is platy structure made of a conductive metallic material, including the conductive ear of support and plate body, two
Support conductive ear and be individually fixed in left and right ends at the top of plate body, the two conductive ears of support are hollow structure, and the pipeline between
Connection, supports conductive ear to be connected with circulating line, and supports conductive ear and tube contacts cooling water SI semi-insulation.In the program,
Because the two conductive ears of support are hollow and by pipeline communication, the cooling water come by circulating line, thus the conductive ear of support entered
The capable realization that cools cools to the electrode.
Alternatively, circulation cooling groove includes cylinder, sparge pipe and cooling blower, and cooling blower, cylinder are set at the top of cylinder
Body is formed by inner cylinder is nested with inside and outside outer barrel, and the water inlet of sparge pipe connection circulation cooling groove is sprayed water into inner cylinder, inner cylinder bottom
Delivery port provided with circulation cooling groove, outer barrel bottom are provided with cooling wind air outlet.As further selection, cooling wind air outlet is
Some exhaust vents on outer tube wall.In the program, inner cylinder built with cooling water, between inner/outer tube be it is hollow, cooling wind from
Upper downward quenching, cooling water are sprayed into after the lower cooling of spray in inner cylinder by sparge pipe and discharged again by the delivery port of circulation cooling groove,
Cool down wind to discharge from outer barrel exhaust vent, thus cooling water is in circulation cooling groove radiating and cooling.
Alternatively, mobile connecting rod is a worm screw, and support bar is connected on worm screw by nut, and motor connects with worm screw
Driving worm screw rotation is connect, nut is placed on worm screw, and the internal thread matched with worm screw external screw thread is provided with nut, forward and reverse with worm screw
From transferring to move forward and backward along worm screw.In the program, the driving back and forth to scraping powder scraper plate is realized using worm-drive.
Alternatively, negative electrode includes the battery lead plate of a plate, scrapes powder scraper plate and is close to battery lead plate plate face.In the program, powder is scraped
Scraper plate is close to battery lead plate plate face and strikes off the silver powder that precipitation is electrolysed on battery lead plate.
As further selection, the both sides plate face of battery lead plate be respectively equipped with one be close to plate face scrape powder scraper plate.In the program,
The silver powder of precipitation is electrolysed in the both sides plate face of battery lead plate while is struck off.
As another further selection, it is a stock to scrape powder scraper plate, and stock is close to battery lead plate plate face along its length.
Alternatively, powder scraper plate is scraped to be made up of metal material cover insulation material.
Alternatively, the other end relative with nut on support bar is provided with sliding sleeve, and electrolytic cell is provided with corresponding with sliding sleeve
Chute, sliding sleeve insertion chute interior edge chute slidably reciprocate.In the program, by the way of chute and sliding sleeve coordinate so that support
Moving back and forth for bar be more smooth, stably, noise it is small.
As further selection, sliding sleeve is polytetrafluoroethylene (PTFE) set.
Alternatively, mobile connecting rod by be fixed on electrolytic cell support seat supports, positioning.
Alternatively, at least at rotary chain both ends, and heavy foundation cream face and go out powder inclined-plane turning point and be provided with chain drum, respectively
At least one in chain drum is provided with driving motor.As further selection, chain is in heavy foundation cream face and goes out powder inclined-plane turning point
Upper conveyor surface and lower conveyor surface are equipped with chain drum.In the program, part chain drum is driven to driving wheel, part chain drum by driving motor
For driven pulley, the shape effect of regulation chain is only played, all can also be driven by driving motor.In heavy foundation cream face and go out powder inclined-plane
Turning point sets chain drum, adjusts chain shape so that chain heavy foundation cream face with go out powder inclined-plane and can will go out powder scraper plate to be close to electricity
Solution groove bottom strikes off the silver powder of deposition.
Alternatively, electrolytic cell forms a receiving in bottom crimp, and along heavy foundation cream face along depth direction with powder inclined-plane is gone out
The conduit of chain operating in it.In the program, coordinate the electrolytic cell of chain chip Chu Fen mechanisms design special tectonic so that deposition
Silver powder can more fully, powder scraper plate is effectively and quickly gone out by chain strike off and convey.
Alternatively, heavy foundation cream face is a horizontal plane, and it is a clinoplain to go out powder inclined-plane.In the program, planar design makes
Chain go out powder scraper plate operating it is more smooth and effective.
Alternatively, the convex chain unit and spill chain unit that chain is matched by several are hinged structure from beginning to end successively
Into.As further selection, convex chain unit has male portion, and spill chain unit has concave shaped portion, male portion and spill
Portion matches be articulated and connected convex chain unit and spill chain unit.
Alternatively, chain drum includes rotating shaft, and if in rotating shaft centered on rotating shaft radially distributed dry-hang board.
In the program, chain ring drives the operating of chain around hanging plate by the rotation of hanging plate.
Alternatively, heating system is additionally provided with purification pot.As further selection, heating system is made of titanium
Electric heater.In the program, heating system is set, improves reaction speed, makes in the exceeded electrolyte of impurity concentration impurity faster more
Fully it is precipitated out.
Alternatively, set orifice filter that filtering tank inner chamber body is separated into two parts up and down, lower part chamber in filtering tank
Body connects vacuum system.In the program, by vacuum filtration mode by the electrolyte filtering after precipitation.
Alternatively, the entrance of purification pot, filtering tank and fluid reservoir is exported in its bottom at the top of it.
Alternatively, in addition to waste gas cleaning system, waste gas cleaning system include exhausting chamber, exhaust column, air exhauster and given up
Air purifying apparatus, exhausting chamber are located at electrolytic cell two sides, electrolytic cell offered with exhausting chamber junction side connect electrolytic cell and
The air inlet of exhausting chamber, exhausting chamber are connected by exhaust column, air exhauster with waste gas purification apparatus.As further selection, waste gas
Purifier is spray absorber.
The waste gas cleaning system of this patent, changes the exhausting mode of top draught hood of the prior art, and exhausting mode is
Side-suction type, it can thoroughly take out and be all in caused corrosive gas during electrolysis production, efficiently solve waste gas to production environment
Pollution, enables automation and electrical control module to be realized in silver-colored electrolysis field.
The foregoing main scheme of the present invention and its each further selection scheme can be this with independent assortment to form multiple schemes
The scheme that invention can be used and is claimed；And the present invention,（Each non conflicting selection）It is selected between selection and with other
Between can also independent assortment.Those skilled in the art can understand after the present invention program is understood according to prior art and common knowledge
There are multiple combinations, be the claimed technical scheme of the present invention, do not do exhaustion herein.
Beneficial effects of the present invention：
1st, the electrolytic silver powder preparation system of this patent, anodic current density is big, and electrolytic speed is fast, and no anode anode scrap produces,
Raw material and processing waste material are high without re-melting, production efficiency.
2nd, by setting cooling system, cooling system forms Water-cooling circulating and carries out cooling water temperature to electrode, can be significantly
Degree improves Faradaic current, so as to greatly improve production efficiency and yield.
3rd, screw rod stirring powder-scraping device effectively strikes off the silver powder that precipitation is electrolysed on negative electrode, while also realizes to electrolyte
Stirring, efficiency high, space-consuming are few, noise is small.
4th, chain chip Chu Fen mechanisms go out powder to take out and be delivered to outside electrolytic cell the electrolytic silver powder deposited in electrolytic cell
Speed is fast, realizes out that powder automates.
5th, decontamination cycle system realizes the decontamination cycle recycling and effective purification of waste gas to electrolyte.
Brief description of the drawings
Fig. 1 is the structural representation of the negative and positive electrode systems of the embodiment of the present invention；
Fig. 2 is the main structure diagram of the anode of the embodiment of the present invention；
Fig. 3 is Fig. 2 overlooking the structure diagram；
Fig. 4 is Fig. 2 left view structural representation；
Fig. 5 is the main structure diagram of the negative electrode of the embodiment of the present invention；
Fig. 6 is Fig. 5 overlooking the structure diagram；
Fig. 7 is Fig. 5 left view structural representation；
Fig. 8 is the structural representation of the anode and cathode cooling system of the embodiment of the present invention；
Fig. 9 is the structural representation of the circulation cooling groove of the anode and cathode cooling system of the embodiment of the present invention；
Figure 10 is the main structure diagram of the screw rod stirring powder-scraping device of the embodiment of the present invention；
Figure 11 is Figure 10 overlooking the structure diagram；
Figure 12 is Figure 10 left view structural representation；
Figure 13 is the main structure diagram of the support bar component of the screw rod stirring powder-scraping device of the embodiment of the present invention；
Figure 14 is Figure 13 overlooking the structure diagram；
Figure 15 is the facade structures schematic diagram of the chain chip Chu Fen mechanisms of the embodiment of the present invention；
Figure 16 is the overlooking the structure diagram of electrolytic cell；
Figure 17 is the side structure schematic view of electrolytic cell；
Figure 18 is the structural representation of chain；
Figure 19 is the structural representation of chain drum；
Figure 20 is the device schematic flow sheet of the electrolyte purification circulatory system of the embodiment of the present invention；
Figure 21 is the structural representation of the filtering tank of the electrolyte purification circulatory system of the embodiment of the present invention；
Figure 22 is the main structure diagram of the waste gas cleaning system of the embodiment of the present invention；
Figure 23 is Figure 22 left view；
Figure 24 is Figure 22 top view；
In figure, 1 is negative electrode, and 2 be anode, and 3 be framework, and 4 is support conductive ear, and 5 be pipeline, and 6 be hole, and 7 be plate body, 8
It is circulating pump for electrolytic cell, 11,12 be circulation water inlet pipe, and 13 be circulating line, and 14 be recycling outlet, and 15 be circulation cooling
Groove, 151 be the water inlet of circulation cooling groove, and 152 be the delivery port of circulation cooling groove, and 16 be sparge pipe, and 17 be cooling blower, 18
It is outer barrel for inner cylinder, 19,20 be exhaust vent, and 23 be motor, and 24 be support bar, and 25 is scrape powder scraper plate, and 26 be worm screw, and 27 are
Nut, 29 be support base, and 30 be sliding sleeve, and 31 be chute, and 81 be heavy foundation cream face, and 82 be powder inclined-plane, and 83 be meal outlet, and 84 be groove
Road, 32 be chain drum, and 321 be rotating shaft, and 322 be hanging plate, and 33 be chain, and 331 be upper conveyor surface, and 332 be lower conveyor surface, and 34 be powder
Scraper plate, 35 be convex chain unit, and 351 be male portion, and 36 be spill chain unit, and 361 be concave shaped portion, and 37 is wear pin, and 38 are
Wear clamp, 42 be purification pot, and 43 be filtering tank, and 44 be fluid reservoir, and 45 be circulating pump, and 46 be exhausting chamber, and 47 be exhaust column, 411
It is filter opening plate for air inlet, 431,432 be vacuum system.
Embodiment
With reference to specific embodiments and the drawings, the present invention is further illustrated.
With reference to shown in figure 1-24, a kind of electrolytic silver powder preparation system, including electrolytic cell, negative electrode and anode, anode and cathode cooling
System, screw rod stirring powder-scraping device, chain chip Chu Fen mechanisms, and decontamination cycle system.
With reference to shown in figure 1, negative electrode 1 and anode 2 are provided with electrolytic cell, anode 2 is arranged side by side several with the interval of negative electrode 1 and put
Put in electrolytic cell 8, as shown in figure 1, several are arranged side by side with the interval of negative electrode 1 in anode 2（2,5 negative electrodes 1 of wherein 4 anodes）
One group of anode and cathode is formed, 2 groups of anode and cathodes are provided with electrolytic cell 8.
With reference to shown in figure 8,9, anode and cathode cooling system, including circulating pump 11, circulation water inlet pipe 12, circulating line 13, follow
Ring outlet pipe 14 and circulation cooling groove 15, negative electrode 1, anode 2 and circulating pump 11, circulation water inlet pipe 12, circulating line 13, recycle
Water pipe 14 and circulation cooling groove 15 form a Water-cooling circulating, delivery port 152 and the water inlet of circulating pump 11 of circulation cooling groove 15
By pipeline connection, the delivery port of circulating pump 11 is connected by circulation water inlet pipe 12 with circulating line 13, circulating line 13 and the moon
Anode 1,2 connects with recycling outlet 14 again after connecting, and recycling outlet 14 connects with the water inlet 151 of circulation cooling groove 15 again
It is logical.Circulation cooling groove includes cylinder, sparge pipe 16 and cooling blower 17, sets cooling blower 17 at the top of cylinder, cylinder is by inner cylinder
18 compositions nested with inside and outside outer barrel 19, the water inlet 151 that sparge pipe 16 connects circulation cooling groove 15 are sprayed water into inner cylinder 18, inner cylinder
18 bottoms are provided with the delivery port 152 of circulation cooling groove 15, and the bottom of outer barrel 19 is provided with cooling wind air outlet.Alternatively, such as Fig. 8 institutes
Show, cooling wind air outlet is some exhaust vents 20 on the wall of outer barrel 19., can be further in order to further realize automation
Temperature sensor is set on negative electrode 1, anode 1, and temperature sensor and circulating pump electrically connect with control device, control device root
The temperature signal being given to according to temperature sensor, automatically control the start and stop work of circulating pump.It is preferred that circulating pump automatic cycle electric control system,
More than 80 °C negative electrode 1, the temperature of anode 2 circulating pumps 11 automatically turn on.
Anode 2 is a conductive metallic material（It is preferred that titanium）Manufactured hollow frame structure, preferably, such as Fig. 2 to 4
Shown, the hollow frame structure of anode 2 includes supporting conductive ear 4 and framework 3, and the two conductive ears 4 of support are individually fixed in framework 3 and pushed up
Portion left and right ends, the two conductive ears 4 of support are hollow structure, and the pipeline 5 between connects, and supports conductive ear 4 and circulation
Pipeline 13 connects, and supports and cooling water is connected with conductive ear 4 and pipeline 5, and supports conductive ear 4 and pipeline 5 contact cooling water section
Insulation.It is provided with to place the cavity of anode electrolysis material in framework 3, it is outer with sky in framework that framework is communicated with framework wall
Chamber, to make the passage that the anode electrolysis material in cavity is soaked by electrolyte, preferably, passage on framework wall be located at
Hole 6 on framework wall, forms hole 6 by the titanium net of front and back sides as shown in Figure 2.The interior edge framework wall of framework 3 is additionally provided with filtering
Cloth or filter bag（Not shown in figure）.As shown in Figs. 5 to 7, negative electrode 1 is a conductive metallic material（It is preferred that titanium）Manufactured plate
Shape structure, the platy structure of negative electrode 1 include supporting conductive ear 4 and plate body 7, and the two conductive ears 4 of support are individually fixed in the top of plate body 7
Left and right ends, the two conductive ears 4 of support are hollow structure, and the pipeline 5 between connects, and supports conductive ear 4 and circulation pipe
Road 13 connects, and supports and cooling water is connected with conductive ear 4 and pipeline 5, and supports conductive ear 4 and pipeline 5 contact cooling water section exhausted
Edge.
In the Water-cooling circulating, after cooling water cools down anode and cathode absorption heat heating in anode and cathode, circulation is passed sequentially through
Pipeline and recycling outlet, the water inlet of circulation cooling groove enter in circulation cooling groove, and water-cooled is cooled down in circulation cooling groove
After cooling, it is again introduced into further through delivery port and circulating pump, circulation water inlet pipe and circulating line in anode and cathode, thus forms and follow
Ring.In circulation cooling groove, inner cylinder is hollow, cooling wind quenching from the top down built with cooling water, between inner/outer tube, cooling
Water is sprayed into after the lower cooling of spray in inner cylinder by sparge pipe and discharged again by the delivery port of circulation cooling groove, and cooling wind is arranged from outer barrel exhaust vent
Go out, thus cooling water is in circulation cooling groove radiating and cooling.
With reference to figures 10 to shown in 14（Support bar component is eliminated in Figure 10）, it is electric that screw rod stirring powder-scraping device includes driving
Machine 23, move connecting rod, support bar 24 and scrape powder scraper plate 25, support bar is connected on mobile connecting rod, and motor 23 connects with mobile
The mobile connecting rod of bar connection driving drives support bar 24 to move back and forth along connecting rod is moved, and is spaced on support bar 24 and is provided with some use side by side
Powder scraper plate 25 is scraped with strike off the silver powder on negative electrode 1.Alternatively, as shown in this embodiment, motor is reducing motor, nothing
Level speed change, mobile connecting rod are a worm screw 26, and worm screw 26 is by some support bases 29 for being fixed on electrolytic cell 8（Figure 10 show 3
It is individual）Support, positioning, support bar 24 are connected on worm screw 26 by nut 27, and worm screw 26 is horizontally disposed with support bar 24, both
Between it is vertical, motor 23 is connected with worm screw 26 located at the one end of worm screw 26 and drives the rotation of worm screw 26, and nut 27 is placed on worm screw 26,
The internal thread matched with the external screw thread of worm screw 26 is provided with nut 27, it is forward and reverse movable along worm screw 26 from transferring with worm screw 26.
Motor 23 drives worm screw 26 to drive support bar 24 to move back and forth along worm screw 26, and the powder scraper plate 25 of scraping on support bar 24 is set vertically
Put it is vertical with support bar 24, insert electrolytic cell 8 in, the stirring to electrolyte is also realized while striking off the silver powder on negative electrode 1.Branch
The other end relative with nut 27 is cased with sliding sleeve 30 on strut 24（Preferably polytetrafluoroethylene set）, electrolytic cell 8 is provided with and sliding sleeve
Chute 31 corresponding to 30, sliding sleeve 30 insert the interior edge chute 31 of chute 31 and slidably reciprocated.Negative electrode 1 includes the battery lead plate of a plate, scrapes
Powder scraper plate 25 is a stock, and stock is close to battery lead plate plate face along its length, and the both sides plate face of battery lead plate is respectively equipped with one and is close to
Plate face scrapes powder scraper plate 25, can also be set only in the plate face of side and scrape powder scraper plate 25, scraped powder scraper plate 25 and be close to battery lead plate plate face
Strike off the silver powder that precipitation is electrolysed on battery lead plate.Scrape powder scraper plate 25 to be made up of metal material cover insulation material, preferably outside titanium
It is polytetrafluoroethylene (PTFE) that the processing of vulcanization rubber-covered or outer surface are done in surface.Worm screw 26, nut 27, support bar 24, chute 31
Preferred titanium is made.
With reference to shown in figure 15-19, chain chip Chu Fen mechanisms include chain drum 32, chain 33 and go out powder scraper plate 34, and to
Drive the driving motor of chain drum 32（Not shown in figure）, a heavy foundation cream face 81, Yi Jilian of the electrolytic cell 8 with deposit electrolyte silver powder
Connect the inclination of heavy foundation cream face 81 and meal outlet 83 and gradually high one go out powder inclined-plane 82, it is a horizontal plane to sink foundation cream face 81, goes out powder inclined-plane
82 be a clinoplain.Chain 33 is along heavy foundation cream face 81 and goes out powder inclined-plane 82 continuously arrangement is near meal outlet 83, and by along chain
Several chain drums 32 that bar 33 is arranged drive the single-revolution conveying for being formed and nearby being operated back and forth along heavy foundation cream face 81 to meal outlet 83
Chain, powder scraper plate 34 is done if being distributed with along its length on chain 33, and respectively go out powder scraper plate 34 and operated on chain 33 to revolution
It is close to heavy foundation cream face 81 during the lower conveyor surface 332 of carrier chain or goes out powder inclined-plane 82.Alternatively, as shown in the present embodiment Figure 17,
Electrolytic cell 8 forms receiving chain fortune in it in bottom crimp, and along heavy foundation cream face 81 along depth direction with powder inclined-plane 82 is gone out
The conduit 84 turned, being thus electrolysed the silver powder of precipitation will be concentrated in conduit 84 naturally, be advantageous to the silver powder of deposition and can more fill
Point, effectively and quickly gone out powder scraper plate 34 on chain 33 and strike off and convey.As shown in figure 15, at rotary chain both ends, and
Heavy foundation cream face 81 is provided with chain drum 32 with the turning point of powder inclined-plane 82 is gone out, and chain 33 in heavy foundation cream face 81 and goes out the turning point of powder inclined-plane 82
Upper conveyor surface 331 and lower conveyor surface 332 be equipped with a chain drum 32, chain drum 32 herein can adjust the shape of chain 33 so that
Chain 33 is in heavy foundation cream face 81 and goes out the silver powder that powder inclined-plane 82 can will go out powder scraper plate 34 and be close to the bottom surface of electrolytic cell 8 and strike off deposition.
As shown in figure 18, head and the tail are hinged structure to the convex chain unit 35 and spill chain unit 36 that chain 33 is matched by several successively
Into.As further selection, convex chain unit 35 has male portion 351, and spill chain unit 36 has concave shaped portion 361, convex
Shape portion 351 and concave shaped portion 361 match be articulated and connected convex chain unit 35 and spill chain unit 36, male portion 351 and spill
Portion 361 is connected by extending transversely through both pins 37 of wearing, and is worn pin 37 and is used as rotating pin, and it is limited wearing the front end of pin 37 and being additionally provided with
Loose or dislocation wears clamp 38.The preferred titanium of 33 each part of chain is made.As shown in figure 19, chain drum 32 includes rotating shaft 321,
And if in rotating shaft 321 centered on rotating shaft 321 radially distributed dry-hang board 322, driving motor drive hanging plate 322 around
Rotating shaft 321 rotates, and chain 33 drives the operating of chain 33 around hanging plate 322 by the rotation of hanging plate 322.
The chain chip Chu Fen mechanisms of this patent are in use, and driving motor drives chain drum 32 to rotate, and chain drum 32 drives chain
33 along heavy foundation cream face 81 and are going out powder inclined-plane 82 and are constantly operating back and forth, one are formed in the bottom of electrolytic cell 1 by upper conveyor surface 331 with
The rotary chain that conveyor surface 332 is formed, lower conveyor surface 332 is along heavy foundation cream face 81 and goes out powder inclined-plane 82 to meal outlet 83, upper defeated
Send face 331 to return to heavy foundation cream face 81 from meal outlet 83 again, form single-revolution conveying circulation.If chain 33 is provided with and does powder scraper plate
34, when operating is to lower conveyor surface 332, goes out powder scraper plate 34 and be close to the bottom surface of electrolytic cell 8, electrolytic cell 81 is sunk what foundation cream face 81 deposited
Silver powder constantly strikes off and is delivered to meal outlet 83 along powder inclined-plane 82 is gone out, then discharges electrolytic cell 8 by meal outlet 83, is sent into next place
Manage link.
With reference to shown in figure 20,21, decontamination cycle system, including the electrolyte purification circulatory system and waste gas cleaning system, electricity
Solution liquid decontamination cycle system includes purification pot 42, filtering tank 43, fluid reservoir 44 and circulating pump 45, the electrolyte outlet of electrolytic cell 8
Connected by circulating pump 44 with the entrance of purification pot 42, the outlet of purification pot 42 is connected by the entrance of circulating pump 45 and filtering tank 43
Logical, the outlet of filtering tank 43 is connected by circulating pump 45 with the entrance of fluid reservoir 44, and the outlet of fluid reservoir 44 passes through circulating pump 45
Connected with the electrolyte entrance of electrolytic cell 8.As shown in figure 20, the entrance of purification pot 42, filtering tank 43 and fluid reservoir 44 is at it
Top, export in its bottom.Purification pot 42 is to by the exceeded electrolyte purification of impurity concentration, such as by adding reagent mode
Etc. contamination precipitation out；Heating system is additionally provided with purification pot 42 and accelerates purification reaction speed and efficiency, as preferred heating
System is electric heater made of titanium, has good resistance to corrosion.Filtering tank 43 is by contaminant filter, obtaining miscellaneous
The electrolyte that matter content is qualified, may be reused, orifice filter 431 is set to filter with reference to shown in figure 21, in filtering tank 43
The inner chamber body of tank 43 is separated into two parts up and down, and lower part cavity connection vacuum system 432 is realized miscellaneous by way of vacuum filter
The separation of matter, such as connect existing vacuum pipe or vavuum pump etc..With reference to shown in figure 22-24, waste gas cleaning system includes exhausting
Chamber 46, exhaust column 47, air exhauster and waste gas purification apparatus, exhausting chamber 46 are located at the two sides of electrolytic cell 8, electrolytic cell 8 and exhausting chamber
46 junctions side offer the air inlet 411 of connection electrolytic cell 8 and exhausting chamber 46, and exhausting chamber 46 passes through exhaust column 47, exhausting
Machine is connected with waste gas purification apparatus, and the waste gas in electrolytic cell 8 is pumped into waste gas purification apparatus and given by air exhauster by exhaust column 47
It is spray absorber as preferred waste gas purification apparatus with purification, waste gas is purified by way of scavenging solution/absorbing liquid spray.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. electrolytic silver powder preparation system, it is characterised in that：Including electrolytic cell, negative electrode and anode, anode and cathode cooling system, spiral shell Swing arm stirring powder-scraping device, chain chip Chu Fen mechanisms, and decontamination cycle system, electrolytic cell is interior to be provided with negative electrode and anode, anode For hollow frame structure made of a conductive metallic material, framework is interior to be provided with to place the cavity of anode electrolysis material, framework It is communicated with that framework is outer and framework internal cavity on wall, to make the passage that the anode electrolysis material in cavity is soaked by electrolyte；Anode and cathode cooling system includes circulating pump, circulation water inlet pipe, circulating line, recycling outlet and circulation cooling groove, yin, yang Pole and circulating pump, circulation water inlet pipe, circulating line, recycling outlet and circulation cooling groove form a Water-cooling circulating, and circulation dissipates The delivery port of heat channel passes through circulation water inlet pipe and circulating line with circulating pump water inlet by pipeline connection, the delivery port of circulating pump Connection, circulating line connect with recycling outlet again after being connected with anode and cathode, the recycling outlet water inlet with circulation cooling groove again Mouth connection；Screw rod stirring powder-scraping device includes motor, mobile connecting rod, support bar and scrapes powder scraper plate, and support bar is connected to On mobile connecting rod, motor, which be connected the mobile connecting rod of driving with mobile connecting rod and drives support bar edge to move connecting rod, to be moved back and forth, branch It is spaced to be provided with side by side on strut and some scrapes powder scraper plate to strike off the silver powder on negative electrode；Chain chip Chu Fen mechanisms, including chain drum, chain and go out powder scraper plate, and to drive the driving motor that chain drum rotates, electricity Solution groove has a heavy foundation cream face of deposit electrolyte silver powder, and gradually high one to go out powder oblique for the inclination of the heavy foundation cream face of connection and meal outlet Face, chain is along heavy foundation cream face and goes out powder inclined-plane continuously near arrangement to meal outlet, and several chain dribblings by being arranged along chain It is dynamic to form the single-revolution carrier chain nearby operated back and forth along heavy foundation cream face to meal outlet, it is distributed with along its length on chain some Go out powder scraper plate, and respectively go out that powder scraper plate is close to heavy foundation cream face in the lower conveyor surface of operating on chain to rotary chain or to go out powder oblique Face；Decontamination cycle system, including the electrolyte purification circulatory system, the electrolyte purification circulatory system include electrolytic cell, purification pot, Filtering tank, fluid reservoir and circulating pump, the electrolyte outlet of electrolytic cell are connected by circulating pump with the entrance of purification pot, purification pot Outlet is connected by circulating pump with the entrance of filtering tank, and the outlet of filtering tank is connected by circulating pump with the entrance of fluid reservoir, storage The outlet of flow container is connected by circulating pump with the electrolyte entrance of electrolytic cell.
- 2. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：The circulation cooling groove of anode and cathode cooling system Including cylinder, sparge pipe and cooling blower, cooling blower is set at the top of cylinder, cylinder is formed by inner cylinder is nested with inside and outside outer barrel, The water inlet of sparge pipe connection circulation cooling groove is sprayed water into inner cylinder, and inner cylinder bottom is provided with the delivery port of circulation cooling groove, outer barrel Bottom is provided with cooling wind air outlet.
- 3. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：Anode is made of a conductive metallic material Hollow frame structure, including the conductive ear of support and framework, the two conductive ears of support are individually fixed in left and right ends at the top of framework, two It is hollow structure to support conductive ear, and the pipeline communication between, supports conductive ear to be connected with circulating line, and is supported conductive Ear and tube contacts cooling water SI semi-insulation.
- 4. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：Negative electrode is made of a conductive metallic material Platy structure, including the conductive ear of support and plate body, the two conductive ears of support are individually fixed in left and right ends at the top of plate body, and two supports are led Electric ear is hollow structure, and the pipeline communication between, supports conductive ear to be connected with circulating line, and support conductive ear and Tube contacts cooling water SI semi-insulation.
- 5. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：Screw rod stirs the mobile company of powder-scraping device Bar is a worm screw, and support bar is connected on worm screw by nut, and motor is connected driving worm screw rotation with worm screw, and nut is placed on The internal thread matched with worm screw external screw thread is provided with worm screw, in nut, transfers to move forward and backward along worm screw certainly with worm screw is forward and reverse.
- 6. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：The powder of scraping of screw rod stirring powder-scraping device is scraped Plate is a stock, and stock is close to cathode electrode plate plate face along its length, and the other end relative with nut, which is provided with, on support bar slides Set, electrolytic cell are provided with chute corresponding with sliding sleeve, and sliding sleeve insertion chute interior edge chute slidably reciprocates.
- 7. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：Electrolytic cell is received along depth direction in bottom Contracting, and along heavy foundation cream face and go out conduit of the receiving chain of powder inclined-plane formation one in its interior operating.
- 8. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：The chain of chain chip Chu Fen mechanisms is by some The convex chain unit and spill chain unit of individual matching are hinged form successively from beginning to end；Convex chain unit has male portion, recessed Shape chain unit has concave shaped portion, and male portion and concave shaped portion match be articulated and connected convex chain unit and spill chain unit.
- 9. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：The chain drum of chain chip Chu Fen mechanisms includes turning Axle, and if the radially distributed dry-hang board centered on a rotating shaft in rotating shaft.
- 10. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：It is net that decontamination cycle system also includes waste gas Change system, waste gas cleaning system include exhausting chamber, exhaust column, air exhauster and waste gas purification apparatus, and exhausting chamber is located at electrolytic cell two Side, electrolytic cell offer the air inlet for connecting electrolytic cell and exhausting chamber with exhausting chamber junction side, and exhausting chamber passes through exhausting Pipe, air exhauster connect with waste gas purification apparatus.
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| CN107326403B (en) * | 2017-06-21 | 2019-03-22 | 中国科学院过程工程研究所 | A kind of continuous centrifugal electrochemical reaction appts and its operation method and purposes |
| CN109264835B (en) * | 2018-10-09 | 2021-08-06 | 天津科技大学 | Continuous electrochemical element extraction system |
| CN110541177A (en) * | 2019-09-30 | 2019-12-06 | 湖南诺尔得材料科技有限公司 | Silver powder production equipment |
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| CN202090072U (en) * | 2011-09-20 | 2011-12-28 | 湖南华信有色金属有限公司 | Silver electrolytic cell |
| CN103276412A (en) * | 2013-05-29 | 2013-09-04 | 辽宁科技大学 | Method for preparing copper or nickel powder and electrolysis device based on same |
| CN203200362U (en) * | 2013-04-19 | 2013-09-18 | 金川集团股份有限公司 | Device for taking out electrolytic silver powder from electrolytic bath |
| CN105332006A (en) * | 2015-11-04 | 2016-02-17 | 阳谷祥光铜业有限公司 | Silver electrolysis device and process |
| CN205474029U (en) * | 2016-04-08 | 2016-08-17 | 浙江亚栋实业有限公司 | Silver electrolytic tank |
| CN205556804U (en) * | 2015-12-31 | 2016-09-07 | 贵州重力科技环保有限公司 | Electrolytic refining device of silver |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100683963B1 (en) * | 2006-11-09 | 2007-02-16 | 한국지질자원연구원 | Production method of silver powder by electro-chemical reduction |
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|---|---|---|---|---|
| CN202090072U (en) * | 2011-09-20 | 2011-12-28 | 湖南华信有色金属有限公司 | Silver electrolytic cell |
| CN203200362U (en) * | 2013-04-19 | 2013-09-18 | 金川集团股份有限公司 | Device for taking out electrolytic silver powder from electrolytic bath |
| CN103276412A (en) * | 2013-05-29 | 2013-09-04 | 辽宁科技大学 | Method for preparing copper or nickel powder and electrolysis device based on same |
| CN105332006A (en) * | 2015-11-04 | 2016-02-17 | 阳谷祥光铜业有限公司 | Silver electrolysis device and process |
| CN205556804U (en) * | 2015-12-31 | 2016-09-07 | 贵州重力科技环保有限公司 | Electrolytic refining device of silver |
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