CN106544700A - A kind of electrolytic silver powder preparation system - Google Patents
A kind of electrolytic silver powder preparation system Download PDFInfo
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- CN106544700A CN106544700A CN201710035010.2A CN201710035010A CN106544700A CN 106544700 A CN106544700 A CN 106544700A CN 201710035010 A CN201710035010 A CN 201710035010A CN 106544700 A CN106544700 A CN 106544700A
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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 electrolysis bath, 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 the driving motor to drive chain drum to rotate；Decontamination cycle system includes electrolyte purification blood circulation and waste gas cleaning system.Electrolytic speed of the present invention is fast, and production efficiency and yield are high, occupy little space, noise it is little, it is fast to go out powder speed, realizes Chu Fen automatizatioies, realizes the decontamination cycle recycling to electrolyte and effective purification of waste gas.
Description
Technical field
The present invention relates to a kind of electrolytic silver powder preparation facilitiess, more particularly to electrolytic silver powder preparation system.
Background technology
Electrolytic silver is that impure thick silver material is passed through electrolytic preparation into the common method of high purity silver, wherein electrolysis is straight
The effect of stream electricity, makes electrolyte solution or fused electrolyte that the process of oxidation-reduction reaction to occur on negative and positive the two poles of the earth.Here
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 is separated out is higher, easier to separate out on electrode, and the theoretical potential that metal ion is separated out is lower, more
It is not easy to separate out on electrode.As long as therefore controlling 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 electrolysis bath, negative electrode, anode, electrolyte, power supply, electrolytic silver powder
Into.Anode electrolysis material and negative electrode on anode is immersed in the electrolyte in electrolysis bath, after power supply is passed through, anode electrolysis
Just there is Oxidation in material, argent ejected electron becomes silver ion (Ag+) and goes in electrolyte, while occurring also on negative electrode
Original work are used, and in electrolyte, silver ion obtains electronics and is reduced into argent and separates out.
Produced as electrode using suspension type positive plate in prior art silver electrolysis production, anode electrolysis material is made
Whole block material hangs immersion in the electrolytic solution as anode, and this mode increases with electrolysis time, and annode area constantly will be reduced
Production yields is caused to reduce；And anode surface electric current density is little, electrolytic speed is slow, while the anode electrolysis material of buying will enter
Row dissolves cast panel into positive plate, needs to consume the extra production time；Additionally, adopting slab anode, anode anode scrap returns melt greatly,
Production cost, labor intensity all accordingly increase.
In prior art during fine silver electrolysis production, electrolysis has been used up DC electrolysis production method, is heated up by electrode
Affect, Faradaic current highest is limited in 650 peaces.
In existing silver-colored electrolytic process, have using manual stirring and scrape powder, efficiency is low, dangerous big, also has using basket posture
Mechanical agitation and powder is scraped, but many, noise that takes up room is big.
The argentum powder that catholyte is separated out, except part absorption is on negative electrode, major part is struck off and deposited by powder-scraping device
In bottom of electrolytic tank.And with the carrying out of electrolysis, the argentum powder of deposition is more and more, just constantly must take out and defeated from electrolysis bath
Deliver to.In prior art, the argentum powder after electrolysis is reclaimed to be 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
Hurry up, produce without anode anode scrap, without the need for re-melting, production efficiency is high for raw material and processing waste material；
The second object of the present invention is：Faradaic current can be increased substantially, so as to greatly improve production efficiency and product
Amount；
The third object of the present invention is：Scrape that powder stirring efficiency is high, occupy little space, noise it is little；
The fourth object of the present invention is：Powder speed is improved out, Chu Fen automatizatioies are realized；
The fifth object of the present invention is：Realize the decontamination cycle recycling to electrolyte and effective purification of waste gas.
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 electrolysis bath, negative electrode and anode, anode and cathode cooling system,
Screw rod stirring powder-scraping device, chain chip Chu Fen mechanisms, and decontamination cycle system, are provided with negative electrode and anode, sun in electrolysis bath
Hollow frame structure extremely made by a conductive metallic material, is provided with to place the cavity of anode electrolysis material, frame in framework
It is communicated with body wall outside framework and framework internal cavity, to make the anode electrolysis material in cavity by leading to that electrolyte soaks
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 constitute a Water-cooling circulating, follow
, with circulating pump water inlet by pipeline connection, the outlet of circulating pump is by circulation water inlet pipe and circulation for the outlet of ring radiating groove
Pipeline communication, circulating line are connected with recycling outlet after being connected with anode and cathode again, recycling outlet again with circulation cooling groove
Water inlet is connected；
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 is connected the mobile connecting rod of driving and drives support bar to move back and forth along mobile connecting rod with mobile connecting rod,
Be spaced to be provided with strut side by side some powder scraper plate is scraped to strike off the argentum 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, electrolysis bath have a heavy foundation cream face of deposit electrolyte argentum 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 and continuously arranges to meal outlet, and by arrange along chain several
Chain drum drives to form the single-revolution carrier chain operated to meal outlet back and forth along heavy foundation cream face, is distributed on chain along its length
If do powder scraper plate, and respectively go out powder scraper plate operate on chain the lower conveyor surface to rotary chain when be close to heavy foundation cream face or
Go out powder inclined-plane；
Decontamination cycle system, including electrolyte purification blood circulation, electrolyte purification blood circulation include electrolysis bath, purification
Tank, filtering tank, fluid reservoir and circulating pump, the electrolyte outlet of electrolysis bath are connected with the entrance of purification pot by circulating pump, purification
The outlet of tank is connected with the entrance of filtering tank by circulating pump, 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 with the electrolyte entrance of electrolysis bath by circulating pump.
This patent adopts frame anode, anode electrolysis material to be directly placed in framework and be electrolysed, anode electrolysis material
Can be that fritter shape or graininess or powder are deposited in framework, the anode electrolysis material of buying and last batch electrolysis are residual
Remaining anode electrolysis material can be directly placed into framework Inner electrolysis, need not carry out dissolving cast panel into positive plate, and production efficiency is high；Sun
Electrode current density is big, and electrolytic speed is fast, produces without anode anode scrap.
By arranging 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, normal to use 2000 amperes, improve more than 3 times than past 650 amperes of Faradaic currents, carry
The high electric current density of electrode, double electrolysis bath are passed through 2000 peace Faradaic currents and work the 400 kilograms of fine silver powder of production in 24 hours
(99.99%) it is, daily than former used equipment to produce 275 kilograms of products more, significantly improve the production capacity of fine silver powder.In the water
In SAPMAC method, after cooling water cools down anode and cathode absorption heat intensification in anode and cathode, circulating line and cyclic water outlet are passed sequentially through
Pipe, the water inlet of circulation cooling groove are entered 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 in anode and cathode with circulating pump, circulation water inlet pipe and circulating line, thus constitutes circulation.
In this patent, motor drives mobile connecting rod to drive support bar to move back and forth along mobile connecting rod, on support bar
Scrape in powder scraper plate insertion electrolysis bath, while striking off the argentum powder on negative electrode, also realize the stirring to electrolyte, overall structure is simple
It is reliable, efficiency high, occupy little space, noise it is little.
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, and lower conveyor surface is along heavy powder
Bottom surface and go out powder inclined-plane to meal outlet, upper conveyor surface returns to heavy foundation cream face from meal outlet again, constitute single-revolution conveying circulation.Chain
If be provided with doing powder scraper plate, when operating is to lower conveyor surface, goes out powder scraper plate and be close to electrolysis bath bottom surface, by electrolysis bath heavy foundation cream face
The argentum powder of deposition constantly strikes off and is delivered to meal outlet along powder inclined-plane is gone out, then discharges electrolysis bath by meal outlet, sends into next place
Reason link.
In this patent, the exceeded electrolyte of impurity concentration in electrolysis bath enters purification pot, and impurity concentration is first surpassed by purification pot
Mark electrolyte by add reagent mode contamination precipitation out, subsequently into filtering tank by contaminant filter, finally enter storage
Tank is preserved, and the electrolyte that holding vessel is preserved returns again to electrolysis bath, realizes that electrolyte purification is recycled and electrolysis waste solution zero-emission.
Alternatively, negative electrode is platy structure made by 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 arrange multigroup anode and cathode group.
Alternatively, filter cloth or filter bag are additionally provided with along framework wall in framework.In the program, filter cloth or filtration are set
Bag prevents the impurity that anode electrolysis material is produced when being electrolysed from entering electrolyte, while making the anode electrolysis of graininess or even powder
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 had both had good conductive
Property, can be corroded with electrolyte resistance again.
Alternatively, anode is hollow frame structure made by a conductive metallic material, including supports conductive ear and framework,
Two support conductive ear to be individually fixed in left and right two ends at the top of framework, and two support conductive ear to be hollow structure, and between passing through
Pipeline communication, is supported conductive ear to be connected with circulating line, and supports conductive ear and tube contacts cooling water SI semi-insulation.The program
In, as the conductive ear of two supports is hollow and passes through pipeline communication, the cooling water come by circulating line, thus to supporting conduction ear
Cool down realization to cool the electrode.
Alternatively, negative electrode is platy structure made by a conductive metallic material, including supports conductive ear and plate body, two
The conductive ear of support is individually fixed in left and right two ends at the top of plate body, and two support conductive ear to be hollow structure, and the pipeline between passing through
Connection, is supported conductive ear to be connected with circulating line, and supports conductive ear and tube contacts cooling water SI semi-insulation.In the program,
As two support conductive ear hollow and by pipeline communication, thus the next cooling water by circulating line enters to the conductive ear of support
Row cools and realizes cooling the electrode.
Alternatively, circulation cooling groove includes cylinder, sparge pipe and cooling blower, and cooling blower, cylinder are arranged at the top of cylinder
Body is made up of nested inside and outside inner core and outer tube, and the water inlet of sparge pipe communication loop radiating groove is sprayed water into inner core, inner core bottom
The outlet of circulation cooling groove is provided with, outer tube bottom is provided with cooling wind air outlet.Used as further selecting, cooling down wind air outlet is
Some exhaust vents on outer tube wall.In the program, inner core built with cooling water, between inner/outer tube be it is hollow, cooling wind from
Upper downward quenching, cooling water are sprayed into by sparge pipe and discharged by the outlet of circulation cooling groove after the lower cooling of spray in inner core again,
Cooling wind is discharged from outer tube exhaust vent, and thus cooling water is in circulation cooling groove radiating and cooling.
Alternatively, connecting rod is moved for a worm screw, support bar is connected on worm screw by nut, and motor is connected with worm screw
Driving worm screw rotation is connect, nut is placed on worm screw, and the female thread matched with worm screw external screw thread is provided with nut, forward and reverse with worm screw
It is movable along worm screw from transferring.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 argentum powder that precipitation is electrolysed on battery lead plate.
As further selecting, 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 argentum powder of precipitation is electrolysed while striking off in the both sides plate face of battery lead plate.
Further selecting as another, powder scraper plate being scraped for a stock, stock is close to battery lead plate plate face along its length.
Alternatively, scrape powder scraper plate and 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 electrolysis bath is provided with corresponding with sliding sleeve
Chute, slidably reciprocates along chute in sliding sleeve insertion chute.In the program, by the way of chute and sliding sleeve coordinate so that support
Moving back and forth for bar is more smooth, stable, noise is little.
Used as further selecting, sliding sleeve is politef set.
Alternatively, mobile connecting rod is by the support seat supports, positioning being fixed on electrolysis bath.
Alternatively, at least at rotary chain two ends, and heavy foundation cream face and go out powder inclined-plane turning point and be provided with chain drum, respectively
In chain drum, at least one is provided with driving motor.Used as further selecting, 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 drivewheel, part chain drum by driving motor
For driven pulley, the shape effect of regulation chain is only played, it is also possible to all driven by driving motor.Heavy foundation cream face and going out powder inclined-plane
Turning point arranges chain drum, adjusts chain shape so that chain is close to electricity with going out powder inclined-plane and can will go out powder scraper plate in heavy foundation cream face
Solution groove bottom strikes off the argentum powder of deposition.
Alternatively, electrolysis bath and along heavy foundation cream face and goes out powder inclined-plane and forms a receiving along depth direction in bottom crimp
The conduit that chain operates in which.In the program, chain chip Chu Fen mechanisms are coordinated to design the electrolysis bath of special tectonic so that deposition
Argentum powder can more fully, powder scraper plate is gone out by chain effectively and quickly strike off and convey.
Alternatively, foundation cream face is sunk for a horizontal plane, go out powder inclined-plane for a clinoplain.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 is hinged structure successively from beginning to end
Into.Used as further selecting, 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 centered on a rotating shaft in rotating shaft radially distributed dry-hang board.
In the program, chain ring drives the operating of chain by the rotation of link plate around link plate.
Alternatively, heating system is additionally provided with purification pot.Used as further selecting, heating system is made by titanium
Electric heater.In the program, heating system is set, response speed is improved, in making the exceeded electrolyte of impurity concentration impurity is faster more
Fully it is precipitated out.
Alternatively, orifice filter is set in filtering tank filtering tank inner chamber body is separated into into upper and lower two parts, lower part chamber
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 which.
Alternatively, also including waste gas cleaning system, waste gas cleaning system includes convulsion chamber, exhaust column, air exhauster and gives up
Air purifying apparatus, convulsion chamber be located at electrolysis bath two sides, electrolysis bath offer with convulsion chamber junction side connect electrolysis bath and
The air inlet in convulsion chamber, convulsion chamber are connected with waste gas purification apparatus by exhaust column, air exhauster.As further selecting, waste gas
Purifier is spray absorber.
The waste gas cleaning system of this patent, changes the convulsion mode of top draught hood of the prior art, and convulsion mode is
Side-suction type, can thoroughly take out the corrosive gas produced during being all in electrolysis production, efficiently solve waste gas to production environment
Pollution, makes automatization and electrical control module be able to realize in silver-colored electrolysis field.
Aforementioned main formula case of the present invention and its each further selection scheme can be this with independent assortment to form multiple schemes
Invention can be adopted and claimed scheme；And the present invention, selects it between (each non conflicting selection) is selected and with other
Between can also independent assortment.Those skilled in the art can be understood according to prior art and common knowledge after the present invention program is understood
There is multiple combination, be claimed technical scheme of the invention, here does not do exhaustion.
Beneficial effects of the present invention：
1st, the electrolytic silver powder preparation system of this patent, anodic current density are big, and electrolytic speed is fast, produce without anode anode scrap,
, without the need for re-melting, production efficiency is high for raw material and processing waste material.
2nd, by arranging 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 argentum powder that precipitation is electrolysed on negative electrode, while also realizing to electrolyte
Stirring, efficiency high, occupy little space, noise it is little.
4th, chain chip Chu Fen mechanisms go out powder to take out and be delivered to outside electrolysis bath the electrolytic silver powder deposited in electrolysis bath
Speed is fast, realizes Chu Fen automatizatioies.
5th, decontamination cycle system realizes the decontamination cycle recycling to electrolyte and effective purification of waste gas.
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 the overlooking the structure diagram of Fig. 2；
Fig. 4 is the left view structural representation of Fig. 2；
Fig. 5 is the main structure diagram of the negative electrode of the embodiment of the present invention；
Fig. 6 is the overlooking the structure diagram of Fig. 5；
Fig. 7 is the left view structural representation of Fig. 5；
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 that the screw rod of the embodiment of the present invention stirs powder-scraping device；
Figure 11 is the overlooking the structure diagram of Figure 10；
Figure 12 is the left view structural representation of Figure 10；
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 the overlooking the structure diagram of Figure 13；
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 electrolysis bath；
Figure 17 is the side structure schematic view of electrolysis bath；
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 blood circulation of the embodiment of the present invention；
Figure 21 is the structural representation of the filtering tank of the electrolyte purification blood circulation 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 the left view of Figure 22；
Figure 24 is the top view of Figure 22；
In figure, 1 is negative electrode, and 2 is anode, and 3 is framework, and 4 to support conductive ear, and 5 is pipeline, and 6 is hole, and 7 is plate body, 8
For electrolysis bath, 11 is circulating pump, and 12 is circulation water inlet pipe, and 13 is circulating line, and 14 is recycling outlet, and 15 is circulation cooling
Groove, 151 for circulation cooling groove water inlet, 152 for circulation cooling groove outlet, 16 is sparge pipe, and 17 is cooling blower, 18
For inner core, 19 is outer tube, and 20 is exhaust vent, and 23 is motor, and 24 is support bar, and 25 to scrape powder scraper plate, and 26 is worm screw, and 27 are
Nut, 29 is support base, and 30 is sliding sleeve, and 31 is chute, and 81 are heavy foundation cream face, and 82 is powder inclined-plane, and 83 is meal outlet, and 84 is groove
Road, 32 is chain drum, and 321 is rotating shaft, and 322 is link plate, and 33 is chain, and 331 is upper conveyor surface, and 332 is lower conveyor surface, and 34 is powder
Scraper plate, 35 is convex chain unit, and 351 is male portion, and 36 is spill chain unit, and 361 is concave shaped portion, and 37 to wear pin, and 38 are
Wear clamp, 42 is purification pot, 43 is filtering tank, 44 is fluid reservoir, 45 is circulating pump, 46 is convulsion chamber, 47 is exhaust column, 411
For air inlet, 431 is filter opening plate, and 432 is vacuum system.
Specific embodiment
With reference to specific embodiments and the drawings, the present invention is further illustrated.
With reference to shown in Fig. 1-2 4, a kind of electrolytic silver powder preparation system, including electrolysis bath, 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 Fig. 1, negative electrode 1 and anode 2 in electrolysis bath, are provided with, anode 2 is arranged side by side several with the interval of negative electrode 1 and puts
Put in electrolysis bath 8, as shown in figure 1, anode 2 is arranged side by side several with the interval of negative electrode 1, and (2,5 negative electrodes of wherein 4 anodes are 1)
One group of anode and cathode is formed, 2 groups of anode and cathodes in electrolysis bath 8, are provided with.
With reference to shown in Fig. 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 constitute a Water-cooling circulating, outlet 152 and 11 water inlet of circulating pump of circulation cooling groove 15
By pipeline connection, the outlet of circulating pump 11 is connected with circulating line 13 by circulation water inlet pipe 12, circulating line 13 with it is cloudy
Anode 1,2 is connected with recycling outlet 14 after connecting again, and recycling outlet 14 is connected 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, and cooling blower 17 is arranged at the top of cylinder, and cylinder is by inner core
18 compositions nested with inside and outside outer tube 19, the water inlet 151 of 16 communication loop radiating groove 15 of sparge pipe are sprayed water into inner core 18, inner core
18 bottoms are provided with the outlet 152 of circulation cooling groove 15, and 19 bottom of outer tube is provided with cooling wind air outlet.Alternatively, such as Fig. 8 institutes
Show, cooling wind air outlet is some exhaust vents 20 on 19 wall of outer tube.In order to further realize automatization, can be further
Temperature sensor is set on negative electrode 1, anode 1, and temperature sensor and circulating pump are electrically connected with control device, control device root
The temperature signal being given to according to temperature sensor, automatically controls the start and stop work of circulating pump.It is preferred that, circulating pump automatic cycle electric control system,
Negative electrode 1,2 temperature of anode are automatically turned on more than 80 DEG C of circulating pumps 11.
Anode 2 is hollow frame structure made by a conductive metallic material (preferred titanium), preferably, such as Fig. 2 to 4
Shown, the hollow frame structure of anode 2 includes supporting conductive ear 4 and framework 3, and two support conductive ear 4 to be individually fixed in framework 3 pushes up
Portion or so two ends, two support conductive ear 4 to be hollow structure, and the pipeline 5 between passing through is connected, and supports conductive ear 4 and circulation
Pipeline 13 is connected, and supports and cooling water is connected with conductive ear 4 and pipeline 5, and support 5 contact cooling water section of conductive ear 4 and pipeline
Insulation.It is provided with to place the cavity of anode electrolysis material in framework 3, is communicated with framework wall outside framework and sky in framework
Chamber, to the passage for making the anode electrolysis material in cavity be soaked by electrolyte, preferably, the 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.Filtration is additionally provided with along framework wall in framework 3
Cloth or filter bag (not shown).As shown in Figs. 5 to 7, negative electrode 1 is plate made by a conductive metallic material (preferred titanium)
Shape structure, the platy structure of negative electrode 1 include supporting conductive ear 4 and plate body 7, and two support conductive ear 4 to be individually fixed at the top of plate body 7
Left and right two ends, two support conductive ear 4 to be hollow structure, and the pipeline 5 between passing through is connected, and supports conductive ear 4 and circulation pipe
Road 13 is connected, and supports and cooling water is connected with conductive ear 4 and pipeline 5, and supports conductive ear 4 and 5 contact cooling water section of pipeline exhausted
Edge.
In the Water-cooling circulating, after cooling water cools down anode and cathode absorption heat intensification in anode and cathode, circulation is passed sequentially through
Pipeline and recycling outlet, the water inlet of circulation cooling groove are entered in circulation cooling groove, in circulation cooling groove cool down water-cooled
After cooling, it is again introduced in anode and cathode further through outlet and circulating pump, circulation water inlet pipe and circulating line, thus constitutes and follow
Ring.In circulation cooling groove, inner core is hollow built with cooling water, between inner/outer tube, cools down wind quenching from the top down, cooling
Water is sprayed into by sparge pipe and discharged by the outlet of circulation cooling groove after the lower cooling of spray in inner core again, and cooling wind is arranged from outer tube exhaust vent
Go out, thus cooling water is in circulation cooling groove radiating and cooling.
Support bar component in Figure 10, is eliminated () with reference to figures 10 to shown in 14, screw rod stirring powder-scraping device includes driving electricity
Machine 23, mobile connecting rod, support bar 24 and powder scraper plate 25 is scraped, support bar is connected on mobile connecting rod, motor 23 and mobile company
Bar connection drives mobile connecting rod to drive support bar 24 to move back and forth along mobile connecting rod, is spaced and is provided with some use side by side on support bar 24
Powder scraper plate 25 is scraped with strike off the argentum powder on negative electrode 1.Alternatively, as shown in this embodiment, motor is reducing motor, nothing
Level speed change, mobile connecting rod is a worm screw 26, and by some support bases 29 being fixed on electrolysis bath 8, (Figure 10 show 3 to worm screw 26
It is individual) support, position, support bar 24 is 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 26 one end of worm screw and drives 26 rotation of worm screw, nut 27 to be placed on worm screw 26,
The female thread matched with 26 external screw thread of worm screw 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 vertically sets
Put vertical with support bar 24, in insertion electrolysis bath 8, while striking off the argentum powder on negative electrode 1, also realize the stirring to electrolyte.
On strut 24, the other end relative with nut 27 is cased with sliding sleeve 30 (preferably polytetrafluoroethylene set), and electrolysis bath 8 is provided with and sliding sleeve
30 corresponding chutes 31, slidably reciprocate along chute 31 in the insertion of sliding sleeve 30 chute 31.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, it is also possible to arranges only in the plate face of side and scrapes powder scraper plate 25, scrapes powder scraper plate 25 and be close to battery lead plate plate face
Strike off the argentum powder that precipitation is electrolysed on battery lead plate.Scrape powder scraper plate 25 and be made up of metal material cover insulation material, outside preferred titanium
Vulcanite insulation processing is done on surface or outer surface is politef.Worm screw 26, nut 27, support bar 24, chute 31
Preferably 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 (not shown) of chain drum 32, electrolysis bath 8 that there is a heavy foundation cream face 81, Yi Jilian of deposit electrolyte argentum 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 is a clinoplain.Chain 33 is along heavy foundation cream face 81 and goes out powder inclined-plane 82 and continuously arranges to meal outlet 83, and by along chain
Several chain drums 32 of the arrangement of bar 33 drive and form the single-revolution conveying nearby operated back and forth along heavy foundation cream face 81 to meal outlet 83
Chain, if be distributed with chain 33 along its length doing powder scraper plate 34, and respectively goes out powder scraper plate 34 and operates to revolution on chain 33
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,
Electrolysis bath 8 in bottom crimp, and along heavy foundation cream face 81 and goes out powder inclined-plane 82 and forms one and accommodate chain and transport in which along depth direction
The conduit 84 for turning, the argentum powder for being thus electrolysed precipitation will be concentrated in conduit 84 naturally, be conducive to the argentum powder for depositing more can 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 two ends, and
Heavy foundation cream face 81 is provided with chain drum 32 with 82 turning point of powder inclined-plane is gone out, and chain 33 is in heavy foundation cream face 81 and goes out 82 turning point of powder inclined-plane
Upper conveyor surface 331 and lower conveyor surface 332 be equipped with a chain drum 32, chain drum 32 herein can adjust 33 shape of chain so that
Chain 33 is in heavy foundation cream face 81 and goes out powder inclined-plane 82 and can will go out powder scraper plate 34 to be close to the argentum powder that deposition is struck off in 8 bottom surface of electrolysis bath.
As shown in figure 18, the convex chain unit 35 and spill chain unit 36 that chain 33 is matched by several is hinged structure successively from beginning to end
Into.Used as further selecting, 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 wears pin 37 as rotating pin, limits which wearing 37 front end of pin and being additionally provided with
Loose or dislocation wears clamp 38.33 each part of chain preferably titanium is made.As shown in figure 19, chain drum 32 includes rotating shaft 321,
And if centered on a rotating shaft 321 in rotating shaft 321 radially distributed dry-hang board 322, driving motor drive link plate 322 around
Rotating shaft 321 is rotated, and chain 33 drives the operating of chain 33 by the rotation of link plate 322 around link plate 322.
In use, driving motor drives chain drum 32 to rotate, and chain drum 32 drives chain for the chain chip Chu Fen mechanisms of this patent
33 along heavy foundation cream face 81 and going out powder inclined-plane 82 and constantly operate back and forth, 1 bottom of electrolysis bath formed one by conveyor surface 331 with
The rotary chain that conveyor surface 332 is constituted, 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 heavy foundation cream face 81 to be returned to from meal outlet 83 again, constitute single-revolution conveying circulation.If chain 33 is provided with does powder scraper plate
34, when operating is to lower conveyor surface 332, goes out powder scraper plate 34 and be close to 8 bottom surface of electrolysis bath, electrolysis bath 81 is sunk into what foundation cream face 81 deposited
Argentum powder constantly strikes off and is delivered to meal outlet 83 along powder inclined-plane 82 is gone out, then discharges electrolysis bath 8 by meal outlet 83, sends into next place
Reason link.
With reference to shown in Figure 20,21, decontamination cycle system, including electrolyte purification blood circulation 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 electrolysis bath 8
Connected with the entrance of purification pot 42 by circulating pump 44, 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 with the entrance of fluid reservoir 44 by circulating pump 45, and the outlet of fluid reservoir 44 passes through circulating pump 45
Connect with the electrolyte entrance of electrolysis bath 8.As shown in figure 20, the entrance of purification pot 42, filtering tank 43 and fluid reservoir 44 is at which
Top, exports in its bottom.Purification pot 42 to by impurity concentration exceeded electrolyte purification, such as by adding reagent mode
Contamination precipitation out etc.；Heating system is additionally provided with purification pot 42 and accelerates purification response speed and efficiency, as preferred heating
System is electric heater made by titanium, with good resistance to corrosion.Filtering tank 43 is by contaminant filter, to obtain miscellaneous
Matter content is qualified, orifice filter 431 can be arranged in filtering tank 43 by filtration with reusable electrolyte, with reference to shown in Figure 21
43 inner chamber body of tank is separated into upper and lower two parts, and lower part cavity connection vacuum system 432 is realized miscellaneous by way of vacuum filter
The separation of matter, for example, connect existing vacuum pipe or vacuum pump etc..With reference to shown in Figure 22-24, waste gas cleaning system includes convulsion
Chamber 46, exhaust column 47, air exhauster and waste gas purification apparatus, convulsion chamber 46 are located at 8 two sides of electrolysis bath, electrolysis bath 8 and convulsion chamber
46 junctions side offer the air inlet 411 in connection electrolysis bath 8 and convulsion chamber 46, and convulsion chamber 46 passes through exhaust column 47, convulsion
Machine is connected with waste gas purification apparatus, and air exhauster is by the waste gas in electrolysis bath 8 by giving in 47 suction waste gas purification apparatus of exhaust column
To purify, be spray absorber as preferred waste gas purification apparatus, waste gas is purified by way of scavenging solution/absorbing liquid spray.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of electrolytic silver powder preparation system, it is characterised in that：Including electrolysis bath, 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, are provided with negative electrode and anode, anode in electrolysis bath
The hollow frame structure made by a conductive metallic material, is provided with to place the cavity of anode electrolysis material, framework in framework
It is communicated with wall outside framework and framework internal cavity, to the passage for making the anode electrolysis material in cavity be 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 constitute a Water-cooling circulating, and circulation dissipates
With circulating pump water inlet by pipeline connection, the outlet of circulating pump passes through circulation water inlet pipe and circulating line to the outlet of heat channel
Connection, circulating line are connected with recycling outlet after being connected with anode and cathode again, recycling outlet water inlet again with circulation cooling groove
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 is connected the mobile connecting rod of driving and drives support bar to move back and forth along mobile connecting rod with mobile connecting rod,
Be spaced to be provided with strut side by side some powder scraper plate is scraped to strike off the argentum powder on negative electrode；
Chain chip Chu Fen mechanisms, including chain drum, chain and go out powder scraper plate, and the driving motor to drive chain drum to rotate, electricity
Solution groove has a heavy foundation cream face of deposit electrolyte argentum powder, and the inclination of the heavy foundation cream face of connection and meal outlet gradually high one to go out powder oblique
Face, chain is along heavy foundation cream face and goes out powder inclined-plane and continuously arranges to meal outlet, and by several chain dribblings arranged along chain
It is dynamic to form the single-revolution carrier chain operated to meal outlet back and forth along heavy foundation cream face, it is distributed with chain along its length some
Go out powder scraper plate, and respectively go out powder scraper plate operate on chain the lower conveyor surface to rotary chain when be close to heavy foundation cream face or to go out powder oblique
Face；
Decontamination cycle system, including electrolyte purification blood circulation, electrolyte purification blood circulation include electrolysis bath, purification pot,
Filtering tank, fluid reservoir and circulating pump, the electrolyte outlet of electrolysis bath are connected with the entrance of purification pot by circulating pump, purification pot
Outlet is connected with the entrance of filtering tank by circulating pump, and the outlet of filtering tank is connected with the entrance of fluid reservoir by circulating pump, storage
The outlet of flow container is connected with the electrolyte entrance of electrolysis bath by circulating pump.
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 made up of nested inside and outside inner core and outer tube,
The water inlet of sparge pipe communication loop radiating groove is sprayed water into inner core, and inner core bottom is provided with the outlet of circulation cooling groove, outer tube
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 by a conductive metallic material
Hollow frame structure, including support conductive ear and framework, two support conductive ears to be individually fixed in left and right two ends at the top of framework, two
The conductive ear of support is hollow structure, and the pipeline communication between passing through, and supports conductive ear to connect with circulating line, and supports 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 by a conductive metallic material
Platy structure, including conductive ear and plate body are supported, two support conductive ear to be individually fixed in left and right two ends at the top of plate body, and two supports are led
Electric ear is hollow structure, and the pipeline communication between passing through, and supports conductive ear connect with circulating line, and support conduction ear with
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 with worm screw and drives worm screw rotation, nut to be placed on
On worm screw, the female thread matched with worm screw external screw thread in nut, is provided with, it is forward and reverse movable along worm screw from transferring with worm screw.
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 on support bar, the other end relative with nut is provided with cunning
Set, electrolysis bath are provided with chute corresponding with sliding sleeve, slidably reciprocate along chute in sliding sleeve insertion chute.
7. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：Electrolysis bath is received in bottom along depth direction
Contracting, and conduit that chain among which operate is accommodated with powder inclined-plane formation one is gone out along heavy foundation cream face.
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 is hinged composition successively from beginning to end；Convex chain unit has male portion, recessed
There is shape chain unit concave shaped portion, male portion and concave shaped portion to 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 centered on a rotating shaft in rotating shaft radially distributed dry-hang board.
10. electrolytic silver powder preparation system as claimed in claim 1, it is characterised in that：Decontamination cycle system also includes that waste gas is net
Change system, waste gas cleaning system include convulsion chamber, exhaust column, air exhauster and waste gas purification apparatus, and convulsion chamber is located at electrolysis bath two
Side, electrolysis bath offer the air inlet for connecting electrolysis bath and convulsion chamber with convulsion chamber junction side, and convulsion chamber passes through convulsion
Pipe, air exhauster are connected with waste gas purification apparatus.
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| CN107326403A (en) * | 2017-06-21 | 2017-11-07 | 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 |
| CN109264835A (en) * | 2018-10-09 | 2019-01-25 | 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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| CN106544700B (en) | 2018-03-13 |
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