CN206940992U - Drag conveyor goes out the silver-colored electrolytic cell of silver powder - Google Patents
Drag conveyor goes out the silver-colored electrolytic cell of silver powder Download PDFInfo
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- CN206940992U CN206940992U CN201720281345.8U CN201720281345U CN206940992U CN 206940992 U CN206940992 U CN 206940992U CN 201720281345 U CN201720281345 U CN 201720281345U CN 206940992 U CN206940992 U CN 206940992U
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- cell body
- silver
- silver powder
- electrolytic cell
- plate
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Abstract
The utility model discloses the silver-colored electrolytic cell that a kind of drag conveyor goes out silver powder, including cell body, electrolyte space is limited in the cell body, compartment of terrain is provided with multiple minus plates and positive plate in the electrolyte space, and cell body end is provided with one section of slope；Scraper conveyor, including ring chain, carrying roller and the scraper plate being arranged on chain, cell body is outer to be provided with driving wheel close to slope end, driven pulley is provided with cell body, ring chain is set on driven pulley and driving wheel, be provided with multiple carrying rollers between driven pulley and driving wheel, scraper conveyor be arranged in cell body and extend in a first direction out cell body be used for receive the silver powder that is fallen from the minus plate and the silver powder is sent to outside the cell body.
Description
Technical field
The utility model belongs to silver-colored electrolytic cell field.
Background technology
The electrorefining of silver is current industrial most widely used silver-colored method of refining.China is silver life the biggest in the world
Production state (including mineral products silver and regeneration silver have reached annual 9000 tons of scales), the total scale of electrorefining of silver is also the biggest in the world
's.But the characteristics of electrorefining of silver industry in China is that producer's quantity is a lot, and region is very scattered, technology and equipment level is irregular not
Together.Therefore, the equipment of silver-colored electrolysis production process is improved, mitigates the labor intensity of worker, improves the rate of recovery of silver, reduces electricity
The energy consumption of solution preocess, there is the economic implications of reality.
During electrorefining of silver, with thick silver to be refined for anode, using titanium plate or stainless steel plate as negative electrode, silver nitrate water
Solution is electrolyte.When passing to direct current electrolysis, thick silver anode constantly carries out electrochemical dissolution, and electrolysis is entered in the form of silver ion
Liquid.Silver ion in electrolyte receives to electronically form metallic crystal on minus plate.The fine silver product of negative electrode output is dendroid
The silver powder of crystallization, it is general that the silver powder separated out on minus plate is scraped off using method manually or mechanically, silver powder is fallen into bottom land,
Try to take out again.Different silver refining producers, the mode species that silver powder is taken out from electrolytic cell are various.
In terms of technology evolution, three phases are substantially have passed through：
1. initially artificial drags for silver powder in electrolytic cell：The silver powder that negative electrode separates out falls into bottom land, after running up to certain amount,
Stop electrolysis, remove minus plate and anode anode scrap, manually the silver powder of bottom land is pulled out using instruments such as scoop, strainers.This
It is that most original simply goes out silver powder method, cumbersome labor intensity is big, but also has some producers using at present.
2. Belt Conveying goes out silver powder mode：China is that this silver-colored electrolytic cell is gradually used since the eighties in last century.
Using horizontal type electrobath, the small electrolytic cell of one or more bottom UNICOMs is included in electrolytic cell, bottom land is provided with belt conveyor system,
Groove end is designed as ramp type, and belt conveyor is extended to outside groove along slope.The silver powder that minus plate separates out during electrolysis falls on conveying skin
Take, start belt conveyor system, silver powder is taken out of electrolytic cell.(silver is pair for many large-scale copper-lead smelting enterprises domestic at present
Product), widely used this silver electrolysis groove profile.
Which conveying silver powder major defect be：
(1) belt conveyors are taken silver powder after electrolysis groove end out of, it is impossible to are all discharged in the dolly of splicing, on belt
The silver powder being mingled with of remaining returns to trough bottom again, falls in the lower section of belt conveyor.The silver powder of this part bottom land is accumulated to one
After determining degree, the operation of belt system is influenceed, it is necessary to often stop electrolysis production, dismantles belt system, what cleaning was accumulated below
Silver powder.
(2) current efficiency of silver electrolysis is low, typically 60-70%.Because the silver powder on belt forms one continuously
Conductor, cause to leak electricity, lose one part of current.The low one side of current efficiency causes the waste of electric energy, on the other hand reduces and sets
Standby production capacity, increase the circulating fund amount for accounting for pressure amount, adding enterprise of silver in process of production.
3. lower blowing goes out silver powder mode：Blowing under company introduces was stepped at 2000 or so from Sweden's Pohle by some domestic producers
High current density silver electrolytic cell.3 layers of electrolysis procedure platform point, silver-colored electrolytic cell is placed on the 3rd layer, and bottom of electrolytic tank is cone bottom shape
Shape, it is mounted below dispensing valve.2 layers are placed the screen basket for receiving silver powder.1 layer of placement electrolyte circulating slot.It is electrolysed certain
After time, trench bottom have accumulated a certain amount of silver powder, stop electrolysis, open the baiting valve of trench bottom, silver powder and whole in groove
Electrolyte together flow into 2 layers silver powder collect basket in.The electrolyte that electrolyte flows into 1 layer by collecting the screen cloth of basket again circulates
In groove, when blowing operation starts again at next group electrolysis procedure after terminating, electrolyte is again in blowback electrolytic cell.The country has several at present
The large-scale copper smelting plant of family (by-product silver), the groove of original Belt Conveying silver powder is gradually replaced using the groove profile of this lower blowing
Type.
Which take out silver powder major defect be：
(1) operating space needed is bigger, 2 layers or 3 layers of operating platform point, is downstairs operated on worker's needs.
(2) blowing uses semi-artificial half mechanical engagement.During extensive silver-colored electrolysis production (large-scale copper-lead smeltery by-product silver
Annual production is all more than 200 tons), worker's workload of discharging is bigger.And independent trough quantity is too many, electrolyte circulation
Pipeline is complicated, easily causes the evaporating, emitting, dripping or leaking of liquid or gas problem of electrolyte.The workload of worker is relatively more.
(3) during the blowing of bottom, to stop being electrolysed.Electrolysis can be just re-started after returning electrolytic cell again Deng electrolyte
Production.It has impact on the effective electrolysis production time.
Utility model content
The purpose of this utility model is to provide a kind of new structure silver electrolytic cell, simple in construction, realizes uninterrupted output silver
Powder, the production efficiency of unit volume electrolytic cell is improved, reduce the stream for accounting for pressure amount, that is, reducing enterprise silver-colored in production process
Dynamic occupation of capital amount.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of drag conveyor goes out the silver-colored electrolytic cell of silver powder, including
Cell body, electrolyte space is limited in the cell body, compartment of terrain is provided with multiple minus plates and sun in the electrolyte space
Pole plate, cell body end are provided with one section of slope；
Scraper conveyor, including ring chain, carrying roller and the scraper plate being arranged on chain, cell body are outer close to slope end
Driving wheel is provided with, driven pulley is provided with cell body, ring chain is set on driven pulley and driving wheel, in driven pulley and active
Be provided with multiple carrying rollers between wheel, scraper conveyor be arranged in cell body and extend in a first direction out cell body be used for receive from institute
State the silver powder fallen on minus plate and the silver powder is sent to outside the cell body.
Go out a kind of preferred scheme of the silver-colored electrolytic cell of silver powder as drag conveyor described in the utility model, in addition to slip
Groove and baffle plate, chute include a pair of slide carriages being oppositely arranged, and slide carriage is arranged on cell body and slope bottom and is distributed in the first direction,
Form the chute of opened upper end；A pair of baffle plates are connected with slide carriage upper end and connected to corresponding cell body side wall respectively, and baffle plate is in groove
Inclined ramp is formed in vivo, and scraper conveyor is arranged in chute, and baffle plate, which is used to collect in the silver powder to drop in cell body, to slip
In groove.
Go out a kind of preferred scheme of the silver-colored electrolytic cell of silver powder as drag conveyor described in the utility model, described scrapes
The width of plate is adapted to chute width.
Beneficial effect：
1. compared with belt conveyor goes out the silver-colored electrolytic cell of silver powder：
(1) part silver powder caused by belt conveyor goes out silver powder mode is avoided to return to cell bottom, need often to stop production
Remove the problem of belt equipment is cleared up.
(2) solve the problems, such as belt conveyor go out the silver-colored electrolytic cell of silver powder current efficiency it is low.Belt conveyor goes out silver
The silver-colored electrolytic cell currents efficiency of powder is generally 60-70%, and scraper conveyor of the invention goes out the electric current of the silver-colored electrolytic cell of silver powder
Efficiency is up to more than 90%.Electric energy is saved.The production efficiency of unit volume electrolytic cell is improved simultaneously, reduces production process
The middle silver-colored circulating fund occupancy for accounting for pressure amount, that is, reducing enterprise.
2. compared with lower blowing formula silver electrolytic cell,
(1) whole production operations of silver-colored electrolytic cell of the invention are carried out on an operation planar.Rather than as lower blowing
Formula silver electrolytic cell is carried out on 2 or 3 operation planars like that, and positive plate and other auxiliary materials will be lifted into 2 buildings from 1 flooring
Or 3 buildings.Reduce worker's frequently upper amount of labour downstairs.
(2) silver-colored cell construction of the invention is simple, compared with lower blowing silver electrolytic cell, the letter of electrolyte circulation system pipeline
The equipment such as list, the pump used, valve is few, reduces the evaporating, emitting, dripping or leaking of liquid or gas phenomenon of electrolyte, reduces the loss of silver, improves the recovery of silver
Rate.
(3) silver-colored electrolytic cell of the invention goes out silver powder mode compared with the silver-colored electrolytic cell of lower blowing, goes out silver powder operation and all adopts
Use mechanization degree.And the manual operation for going out silver powder operation and also needing to part of lower blowing silver electrolytic cell.In extensive silver electrolysis
In workshop, advantage of the invention is especially apparent.
(4) do not have to stop electrolysis when silver-colored electrolytic cell of the invention goes out silver powder, effective electrolysis time is long.And lower blowing silver
Electrolytic cell will stop being electrolysed when going out silver powder, and the electrolyte in groove and silver powder are released together, and then electrolyte is returned again and is electrolysed
Groove, restart electrolysis production, effective electrolysis time is shorter, and operating procedure is more.
Brief description of the drawings
Cut open schematic diagram in the silver-colored electrolytic cell side that Fig. 1 goes out silver powder for a kind of drag conveyor；
Fig. 2 is the silver-colored electrolytic cell top view.
Fig. 3 is cell body sectional view.
1st, cell body 2, slope 3, minus plate 4, positive plate 5, chute 6, baffle plate 7, scraper conveyor 7.1, annular
Chain 7.2, carrying roller 7.3, scraper plate 7.4, driving wheel 7.5, driven pulley 7.6, motor/reductor 8, connect silver powder dolly
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As illustrated, a kind of drag conveyor goes out the silver-colored electrolytic cell of silver powder, including cell body 1, electricity is limited in the cell body 1
Solution space, cell body end are provided with one section of slope 2, and compartment of terrain is provided with multiple minus plates 3 and positive plate 4 in the electrolyte space.
With thick silver to be refined for positive plate, thick silver anode constantly carries out electrochemical dissolution, and electrolyte, negative electrode are entered in the form of silver ion
Plate 3 can be titanium plate or stainless steel plate, for adsorbing the silver after being electrolysed and being separated out on minus plate 3, such as needle-like, dendroid silver
Powder, silver powder is scraped off by the way of machinery.
Rectangle, the chute 5 of opened upper end formula are provided with the center of the bottom of cell body 1 and slope 2, chute includes relative set
A pair of the slide carriages 5.1 put, slide carriage are arranged on cell body and slope bottom and are distributed in the first direction, herein and first party herein
To referring to along cell body length direction.A pair of baffle plates 6 are connected with the upper end of slide carriage 5.1 and connected to the corresponding side wall of cell body 1 respectively,
Baffle plate 6 forms inclined ramp in cell body 1, and the silver powder for making to split away off on negative electrode is focused in chute 5.
Scraper conveyor 7 is set in chute 5, including ring chain 7.1, carrying roller 7.2 and is arranged on scraping on chain
Plate 7.3, cell body is outer to be provided with driving wheel 7.4 close to slope end, driven pulley 7.5 is provided with cell body, ring chain 7.1 is arranged
On driving wheel 7.4 and driven pulley 7.5, multiple carrying rollers 7.2, driving wheel 7.4 are provided between driving wheel 7.4 and driven pulley 7.5
It is connected with motor/reductor 7.6, is persistently rotated in the case where motor/reductor drives, driving wheel 7.4 fastens with ring chain, drives
The cycle rotation of ring chain 7.1.Its middle scraper 7.3 is elongated plates, and scraper plate card vertical with ring chain sets fixation, scraper plate 7.3
Have multiple, be arranged at intervals along ring chain, and the shuttling movement under the drive of ring chain.
Scraper conveyor 7 be arranged in chute 5 and extend in a first direction out cell body be used for receive from the minus plate
On the silver powder that falls and the silver powder is sent to outside the cell body.Set outside cell body and connect silver powder dolly 8, for collect from
The silver powder transported out in cell body.When silver electrolysis brings into operation, start motor/reductor, scraper conveyor brings into operation.When
When scraper plate is run between ring chain bottom and chute bottom, scraper plate contacts with chute bottom, and the length of scraper plate is less than chute
Width, during operation, scraper plate is moved from slope direction to cell body direction, is then inverted downwards near driven pulley, with electrolyte
And silver powder is run to slope direction, when baffle plate runs out liquid level of electrolyte, electrolyte is flowed into cell body from scraper plate both sides, and silver-colored
Powder continues to stay in scraper plate side and is carried over cell body, falls under gravity to and connects in silver powder dolly 8, completes a circulation,
Continuously silver powder is exported in electrolytic process.
Although embodiment of the present utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit the scope of protection of the utility model.Various omissions are carried out in the range of the utility model aims are not departed from, are put
Change and change should be included in the scope of protection of the utility model.
Claims (2)
1. a kind of drag conveyor goes out the silver-colored electrolytic cell of silver powder, it is characterised in that：Including：
Cell body, electrolyte space is limited in the cell body, compartment of terrain is provided with multiple minus plates and positive plate in the electrolyte space,
Cell body end is provided with one section of slope；
Scraper conveyor, including ring chain, carrying roller and the scraper plate being arranged on chain, cell body is outer to be set close to slope end
There is driving wheel, driven pulley is provided with cell body, ring chain is set on driven pulley and driving wheel, between driven pulley and driving wheel
Be provided with multiple carrying rollers, scraper conveyor be arranged in cell body and extend in a first direction out cell body be used for receive from described the moon
The silver powder that is fallen on pole plate and the silver powder is sent to outside the cell body.
2. drag conveyor according to claim 1 goes out the silver-colored electrolytic cell of silver powder, it is characterised in that：Also include chute and gear
Plate, chute include a pair of slide carriages being oppositely arranged, and slide carriage is arranged on cell body and slope bottom and is distributed in the first direction, in formation
The unlimited chute in portion；A pair of baffle plates are connected with slide carriage upper end and connected to corresponding cell body side wall, baffle plate shape in cell body respectively
Into inclined ramp, scraper conveyor is arranged in chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281345.8U CN206940992U (en) | 2017-03-22 | 2017-03-22 | Drag conveyor goes out the silver-colored electrolytic cell of silver powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281345.8U CN206940992U (en) | 2017-03-22 | 2017-03-22 | Drag conveyor goes out the silver-colored electrolytic cell of silver powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206940992U true CN206940992U (en) | 2018-01-30 |
Family
ID=61358005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720281345.8U Expired - Fee Related CN206940992U (en) | 2017-03-22 | 2017-03-22 | Drag conveyor goes out the silver-colored electrolytic cell of silver powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206940992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-03-22 CN CN201720281345.8U patent/CN206940992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20180322 |