CN106906492A - Copper powder electrolysis unit and electrolytic method - Google Patents
Copper powder electrolysis unit and electrolytic method Download PDFInfo
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- CN106906492A CN106906492A CN201710257964.8A CN201710257964A CN106906492A CN 106906492 A CN106906492 A CN 106906492A CN 201710257964 A CN201710257964 A CN 201710257964A CN 106906492 A CN106906492 A CN 106906492A
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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
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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
- C25C7/02—Electrodes; Connections thereof
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Abstract
The invention discloses a kind of copper powder electrolysis unit and electrolytic method, copper powder electrolysis unit is included for the electrolytic cell for storing electrolyte and the multiple pole plates being positioned in electrolytic cell；Box liquid inlet device is also equipped with the electrolytic cell；At least two inner chambers are provided with the box liquid inlet device, it is sequentially communicated by distributor between each inner chamber, inner chamber wherein positioned at head end communicates with the inlet of box liquid inlet device, inner chamber positioned at end communicates with the liquid outlet of box liquid inlet device, using a kind of electrolytic cell for changing electrolyte feed liquor mode, electrolytic cell is using the porous auxiliary feed liquor mode in traditional feed liquor plus side face, the porous feed liquor in side is oriented parallel to pole plate, the feed liquor mode is by " dead band " that controls the porous feed speed in side to be effectively reduced between anode and cathode, reduce concentration polarization, improve current efficiency, and further reduce tank voltage, realize on the premise of original copper powder performance is kept, improve current efficiency, lower electrolysis direct energy consumption.
Description
Technical field
The present invention relates to powder metallurgical technology, and in particular to a kind of copper powder electrolysis unit and electrolytic method.
Background technology
Copper powder is the important foundation raw material of powder metallurgy industry, and its production method is a lot, there is reducing process, atomization, machine
Tool polishing, electrolysis etc., the copper powder that different production methods is obtained have different features.There is electrolytic copper powder dendroid to send out
Up to, specific surface area is big, apparent density is low, formability is good the advantages of；It is widely used in powder metallurgy parts, electrical carbon, diamond
The fields such as instrument.Additionally, electrolytic copper powder is also applied to the fields such as electrical alloy, perforating bullet.The property of copper powder can be by regulation
Electrolytic conditions, electrolyte composition, surface nature of electrode etc. change, such as control powder size, can produce superfine powder
End, and the serialization and automation of production can be realized.
The reparation technology flow of electrolytic copper powder is：Soluble copper anode → be electrolysed → scrape powder → collection copper powder → filter → wash
Wash → anti-oxidation treatment → drying → screening → product.
Electrolytic process is the important procedure for preparing electrolytic copper powder.The main manufacturer of electrolytic copper powder, typically being electrolysed essence
Copper metallurgy plate is anode, and copper plate is that use the solution that copper sulphate and sulfuric acid are constituted be electrolyte to negative electrode, and electrode is parallel to each other row
In a cell, electrolytic cell is lead lined steel tank, lining rubber groove, plastic channel and glass fibre reinforced plastic groove etc. to row.Electrolyte circulation using " under enter on
Go out " mode, the flow direction of solution is vertical with electrode surface.First will electrolysis liquid pump to a high-order hopper, electrolyte according to
Flow into bottom of electrolytic tank (bottom of electrolytic tank can also be directly injected into by pump) from hopper by gravity, then from liquid spill-way above
Outflow, is flowed into the hopper of underground, for recycling, by the flow of Valve controlling electrolyte.
Electrolytic process is a kind of process that chemical reaction is realized by the function of current, i.e., be changed into the mistake of chemical energy by electric energy
Journey.Due to the result of cathodic discharge reaction, the concentration of copper ion is constantly reduced on interface, and this consumption is spread from solution
Copper ion compensated, with the increase of current density, the precipitation of copper powder so that the copper ion on cathode interface is poor rapidly,
Concentration polarization is produced, the electrolyte flow mode of traditional electrolyte copper powder is difficult to eliminate this polarization phenomena, easily cause negative electrode electricity
Stream efficiency is low so that the production cost of electrolytic copper powder increases.
The content of the invention
It is therefore an object of the present invention to a kind of copper powder electrolysis unit and electrolytic method are provided, to reduce electrolytic copper powder process
The concentration polarization phenomenon of middle generation, using a kind of electrolytic cell for changing electrolyte feed liquor mode, electrolytic cell is using traditional feed liquor
The porous auxiliary feed liquor mode in plus side face, the porous feed liquor in side is oriented parallel to pole plate.The feed liquor mode is by controlling side porous
Feed speed is effectively reduced in " dead band " between anode and cathode, reduces concentration polarization, improves current efficiency, and further reduce groove
Voltage, realizes on the premise of original copper powder performance is kept, improving current efficiency, lowers electrolysis direct energy consumption.
Copper powder electrolysis unit of the invention, including for the electrolytic cell for storing electrolyte and the multiple being positioned in electrolytic cell
Pole plate；Box liquid inlet device is also equipped with the electrolytic cell；At least two inner chambers are provided with the box liquid inlet device, each inner chamber
Between be sequentially communicated by distributor, wherein communicated with the inlet of box liquid inlet device positioned at the inner chamber of head end, positioned at end
Inner chamber communicates with the liquid outlet of box liquid inlet device；Box liquid inlet device includes casing and the dividing plate being fixed in casing, makes in casing
Portion is partitioned into two inner chambers, respectively epicoele and cavity of resorption, and dividing plate is provided with along the casing multiple distribution holes to arrangement long,
The distributor is formed, epicoele and cavity of resorption are communicated by the distribution hole on dividing plate, and the inlet of box liquid inlet device is communicated with epicoele,
The liquid outlet of box liquid inlet device is communicated with cavity of resorption, and the inlet of box liquid inlet device is connected into electrolyte liquid feed device, electrolyte note
After entering in epicoele, uniformly it is flowed into cavity of resorption in the presence of distributor, then electrolysis is flowed into by the liquid outlet of box liquid inlet device
In groove, concentration polarization uniformly to electrolyte is supplemented in electrolytic cell can be reduced, improve current efficiency.
Further, the wide of the electrolytic cell is respectively mounted a box liquid inlet device, two box liquid inlet devices to both sides inwall
In an opposing fashion installed in the inwall of electrolytic cell, the mode of unilateral feed liquor or bilateral feed liquor can be taken, meet production needs.
Further, the box liquid inlet device is provided with multiple liquid outlets, and each liquid outlet is long to being uniformly distributed along box liquid inlet device,
Concentration polarization uniformly to electrolyte is supplemented in electrolytic cell can be reduced, improve current efficiency.
Further, the liquid outlet of the box liquid inlet device is in the horizontal direction and parallel with pole plate, and the feed liquor mode passes through
" dead band " that liquid speed degree is effectively reduced between anode and cathode of box liquid inlet device is controlled, current efficiency is improved, lowers electrolysis straight
Connect energy consumption.
Further, the box liquid inlet device is easy to box liquid inlet device along the corresponding side inwall for being plugged in electrolytic cell vertically
Install and take out, beneficial to plant maintenance, the two ends of box liquid inlet device are equipped with fixture block, and the fixture block is with box liquid inlet device near electricity
The side for solving the corresponding side inwall of groove is equal, and the corresponding side inwall correspondence fixture block of electrolytic cell is provided with slot；Box liquid inlet device passes through
Along being plugged in associated socket vertically, the lower end of slot is provided with for carrying out spacing limited block to fixture block fixture block, can keep
Box liquid inlet device stabilization in corresponding height.
Further, the height of two box liquid inlet devices are different, bilateral simultaneously feed liquor when, make the supplement of electrolyte more equal
It is even, while can be sufficiently mixed electrolyte using convection effects.
Further, the electrolytic cell is provided with inlet and liquid outlet, and electrolytic cell inlet and liquid outlet with it is low enter
The mode being higher by is arranged in the length of electrolytic cell to both sides, makes electrolyte using more abundant.
Further, along electrolysis flute length to evenly distributed, the width of electrolytic cell is provided with use to the upper edge of two side for the pole plate
In the draw-in groove of clamping pole plate, pole plate is T-shaped plate, is connected in draw-in groove during installation, Stability Analysis of Structures, is easy to dismounting.
Further, the electrolytic cell is lead lined steel tank, lining rubber groove, plastic channel or glass fibre reinforced plastic groove.
Copper powder electrolytic method of the invention, using above-mentioned copper powder electrolysis unit electrolytic copper powder, is constituted with copper sulphate and sulfuric acid
Solution be electrolyte, electrolytic parameter is as follows：1300~1700A/m2 of cathode-current density, 30~50 DEG C of temperature, cupric from
Sub- 6~13g/L of concentration, 120~160g/L of sulfuric acid concentration, 3~80mm of die opening, 20~40min of the brush dust cycle, two it is box enter
The flow velocity of liquid device liquid outlet is respectively 0~150cm/s and 150~0cm/s, liquid outlet the hanging down to pole plate edge of box liquid inlet device
Straight distance is 2-6mm；It refers to two that the flow velocity of two box liquid inlet device liquid outlets is respectively 0~150cm/s and 150~0cm/s
The flow velocity of individual box liquid inlet device liquid outlet and be 0~150cm/s, can be by the way of unilateral feed liquor and bilateral feed liquor；It is box enter
It refers to the liquid outlet of box liquid inlet device to each pole plate phase that the liquid outlet of liquid device is 2-6mm to the vertical range of pole plate edge
The vertical range of the plane where answering side portion is 2-6mm, and solution is entered using side, and the position of liquid outlet 5 is located between anode and cathode,
Near cathode plane；Parameter there occurs change, and current efficiency is improved, energy consumption reduction.
The beneficial effects of the invention are as follows：Copper powder electrolysis unit of the invention and electrolytic method, electrolysis is changed using one kind
The electrolytic cell of liquid feed liquor mode, electrolytic cell is using the porous auxiliary feed liquor mode in traditional feed liquor plus side face, the porous feed liquor direction in side
Parallel to pole plate, the feed liquor mode is dropped by " dead band " that controls the porous feed speed in side to be effectively reduced between anode and cathode
Low concentration polarization, improves current efficiency, and further reduces tank voltage, realizes on the premise of original copper powder performance is kept, carrying
High current efficiency, lowers electrolysis direct energy consumption.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described.In accompanying drawing, each element or part are not
It is certain to be drawn according to actual ratio.
Fig. 1 is structural representation of the invention；
Fig. 2 is front view of the invention；
Fig. 3 is top view of the invention；
Fig. 4 is left view of the invention.
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Technical scheme is clearly illustrated, therefore is only used as example, and protection model of the invention can not be limited with this
Enclose.
Embodiment one：
As Figure 1-4, the copper powder electrolysis unit of the present embodiment, including for storing the electrolytic cell 1 of electrolyte and placing
In the multiple pole plates 2 in electrolytic cell 1；The electrolytic cell 1 is lead lined steel tank, lining rubber groove, plastic channel or glass fibre reinforced plastic groove；The electricity
Solution groove 1 is provided with inlet 8 and liquid outlet 9, and the inlet 8 and liquid outlet 9 of electrolytic cell 1 are arranged in the way of low in and high out
The length of electrolytic cell 1 makes electrolyte using more abundant to both sides；The pole plate 2 is grown to evenly distributed along electrolytic cell 1, electrolytic cell 1
The draw-in groove 3 being provided with to the upper edge of two side for clamping pole plate 2 wide, pole plate 2 is T-shaped plate, and draw-in groove 3 is connected to during installation
Interior, Stability Analysis of Structures is easy to dismounting；The wide of the electrolytic cell 1 is respectively mounted a box liquid inlet device 4, two casees to both sides inwall
Formula liquid inlet device 4 installed in the inwall of electrolytic cell 1, can take the mode of unilateral feed liquor or bilateral feed liquor in an opposing fashion, meet
Production needs；At least two inner chambers are provided with the box liquid inlet device 4, are sequentially communicated by distributor 6 between each inner chamber, its
In be located at the inner chamber of head end and communicated with the inlet 10 of box liquid inlet device 4, inner chamber and the box liquid inlet device 4 positioned at end go out liquid
Mouth 5 is communicated；The box liquid inlet device 4 is provided with multiple liquid outlets 5, and each liquid outlet 5 is grown to being uniformly distributed along box liquid inlet device 4, energy
Enough uniform to electrolyte is supplemented in electrolytic cell 1, the liquid outlet 5 of the box liquid inlet device 4 is in the horizontal direction and flat with pole plate 2
OK, the feed liquor mode improves electricity by controlling " dead band " that liquid speed degree is effectively reduced between anode and cathode of box liquid inlet device 4
Stream efficiency, lowers electrolysis direct energy consumption, reduces concentration polarization, improves current efficiency；Box liquid inlet device 4 includes casing and is fixed on
Dividing plate in casing, makes box house be partitioned into two inner chambers, respectively epicoele and cavity of resorption, and dividing plate is provided with along casing
Multiple distribution holes to arrangement long form the distributor 6, and epicoele and cavity of resorption are communicated by the distribution hole on dividing plate, box feed liquor
The inlet 10 of device 4 is communicated with epicoele, and the liquid outlet 5 of box liquid inlet device 4 is communicated with cavity of resorption, by the inlet of box liquid inlet device 4
10 connection electrolyte liquid feed devices, after electrolyte injection epicoele is interior, are uniformly flowed into cavity of resorption in the presence of distributor 6,
Flowed into electrolytic cell 1 by the liquid outlet 5 of box liquid inlet device 4 again, uniformly to electrolyte is supplemented in electrolytic cell 1 can reduced dense
Difference polarization, improves current efficiency.
In the present embodiment, the box liquid inlet device 4 along the corresponding side inwall for being plugged in electrolytic cell 1 vertically, be easy to it is box enter
The installation and taking-up of liquid device 4, beneficial to plant maintenance, two height of box liquid inlet device 4 are different, bilateral simultaneously feed liquor when, make electricity
The supplement for solving liquid is more uniform, while can be sufficiently mixed electrolyte using convection effects, the two ends of box liquid inlet device 4 are equipped with
Fixture block, the fixture block is equal near the side of the corresponding side inwall of electrolytic cell 1 with box liquid inlet device 4, in the corresponding side of electrolytic cell 1
Wall correspondence fixture block is provided with slot 7；By fixture block along being plugged in associated socket 7 vertically, the lower end of slot 7 sets box liquid inlet device 4
Have for carrying out spacing limited block to fixture block, can keep the stabilization of box liquid inlet device 4 in corresponding height.
Embodiment two：
The copper powder electrolytic method of the present embodiment, using above-mentioned copper powder electrolysis unit electrolytic copper powder, with copper sulphate and sulfuric acid group
Into solution be electrolyte, electrolytic parameter is as follows：1300~1700A/m2 of cathode-current density, 30~50 DEG C of temperature, cupric
6~13g/L of ion concentration, 120~160g/L of sulfuric acid concentration, 3~80mm of die opening, in 20~40min of the brush dust cycle, two box
The flow velocity of the liquid outlet 55 of liquid inlet device 4 is respectively 0~150cm/s and 150~0cm/s, and the liquid outlet 5 of box liquid inlet device 4 arrives pole plate 2
The vertical range of edge is 2-6mm；The flow velocity of two liquid outlets 55 of box liquid inlet device 4 be respectively 0~150cm/s and 150~
0cm/s refers to the flow velocity of two liquid outlets 55 of box liquid inlet device 4 and is 0~150cm/s, can be using unilateral feed liquor and bilateral feed liquor
Mode；It refers to going out for box liquid inlet device 4 that the liquid outlet 5 of box liquid inlet device 4 is 2-6mm to the vertical range of the edge of pole plate 2
Liquid mouthful 5 is 2-6mm to the vertical range to the plane where each corresponding side edge of pole plate 2, and solution, liquid outlet are entered using side
5 positions are located between anode and cathode, near cathode plane；Parameter there occurs change, and current efficiency is improved, energy consumption reduction.
Embodiment three：
The inside dimension of electrolytic cell 1 is 150cm × 150cm, and electrode effective area is 0.84cm2, current density is 1500A/
m2, pole span is 3cm, and electrolyte temperature is 30 DEG C, Cu2+Concentration is 12g/L, and sulfuric acid concentration is 160g/L, and flow is 2.0L/min,
It is 2L/min in flow of electrolyte, it is 83.59% that the current efficiency of electrolytic copper powder is prepared under the conditions of traditional feed liquor mode, and energy consumption is
1013.78Kw.h/t；Using above-mentioned copper powder electrolysis unit electrolytic copper powder, with " traditional feed liquor+side is parallel to the feed liquor of pole plate 2 "
Mode, the liquid outlet 5 of box liquid inlet device 4 is 3mm to the vertical range of the edge of pole plate 2, is 2L/min, electrolytic cell in total flow
1 inlet flow rate is 1.0L/min, and the flow velocity that goes out of box liquid inlet device 4 is 58.98cm/S, the constant condition of other conditions
Under, current efficiency is 95.53%%, and energy consumption is 809.4Kw.h/t.
Example IV：
The inside dimension of electrolytic cell 1 is 150cm × 150cm, and electrode effective area is 0.64cm2, current density is 1500A/
m2, pole span is 3cm, and electrolyte temperature is 40 DEG C, Cu2+Concentration is 10g/L, and sulfuric acid concentration 150g/L, 40 DEG C of electrolysis temperature scrapes powder
Cycle 30min；It is 2L/min in flow of electrolyte, the current efficiency under the conditions of traditional feed liquor mode is 90.56%, power consumption
846.2428kw·h/t；Using above-mentioned copper powder electrolysis unit electrolytic copper powder, with " traditional feed liquor+side is parallel to the feed liquor of pole plate 2 "
Mode, the liquid outlet 5 of box liquid inlet device 4 is 3mm to the vertical range of the edge of pole plate 2, is 2L/min, electrolysis in total flow
The inlet flow rate of groove 1 is 1.0L/min, and the flow velocity that goes out of box liquid inlet device 4 is 58.98cm/S, and current efficiency is 95.53%,
Power consumption is 703.6275kwh/t.
Embodiment five：
The inside dimension 130cm of electrolytic cell 1 × 130cm, electrode effective area is 0.64cm2, current density is 1500A/m2,
Pole span is 3cm, and electrolyte temperature is 40 DEG C.Cu2+Concentration is 10g/L, and sulfuric acid concentration is 155g/L, is in flow of electrolyte
0.74l L/min, the current efficiency under the conditions of traditional feed liquor mode is 80.61%, and energy consumption is 987.111Kw.h/t；Using upper
Copper powder electrolysis unit electrolytic copper powder is stated, by the way of " using traditional feed liquor+side parallel to the feed liquor of pole plate 2 ", box liquid inlet device 4
Liquid outlet 5 be 2.5mm to the vertical range of the edge of pole plate 2, be 0.741L/min, the inlet flow of electrolytic cell 1 in total flow
Amount is 0.37l L/min, and the flow velocity that goes out of box liquid inlet device 4 is 52.00cm/S, and current efficiency is 98.83%, and energy consumption is
746.27Kw.h/t。
Embodiment six：
The inside dimension 130cm of electrolytic cell 1 × 130cm, electrode effective area is 0.64cm2, current density I=1500A/m2,
Pole span is 3cm, and electrolyte temperature is 40 DEG C.Cu2+Concentration is 10g/L, and sulfuric acid concentration is 155g/L, and flow is 0.74l L/min,
Current efficiency under the conditions of traditional feed liquor mode is 80.61%, and energy consumption is 987.111Kw.h/t；It is electrolysed using above-mentioned copper powder and is filled
Put electrolytic copper powder, with " using traditional feed liquor+side parallel to the feed liquor of pole plate 2 " by the way of, the liquid outlet 5 of box liquid inlet device 4 is arrived
The vertical range of the edge of pole plate 2 is 2.5mm, is 0.741L/min in total flow, and the inlet flow rate of electrolytic cell 1 is 0.178L/
Min, the flow velocity that goes out of box liquid inlet device 4 is 52.00cm/S, and current efficiency is 100%, and energy consumption is 715.56Kw.h/t.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover in the middle of the scope of claim of the invention and specification.
Claims (10)
1. a kind of copper powder electrolysis unit, including for the electrolytic cell for storing electrolyte and multiple pole plates for being positioned in electrolytic cell；
It is characterized in that：Box liquid inlet device is also equipped with the electrolytic cell；At least two inner chambers are provided with the box liquid inlet device, respectively
It is sequentially communicated by distributor between individual inner chamber, wherein being communicated with the inlet of box liquid inlet device positioned at the inner chamber of head end, is located at
The inner chamber of end communicates with the liquid outlet of box liquid inlet device.
2. copper powder electrolysis unit according to claim 1, it is characterised in that：The wide of the electrolytic cell is distinguished to both sides inwall
One box liquid inlet device is installed.
3. copper powder electrolysis unit according to claim 2, it is characterised in that：The box liquid inlet device is provided with multiple and goes out liquid
Mouthful, each liquid outlet is long to being uniformly distributed along box liquid inlet device.
4. copper powder electrolysis unit according to claim 2, it is characterised in that：The liquid outlet of the box liquid inlet device is towards level
Direction and parallel with pole plate.
5. copper powder electrolysis unit according to claim 4, it is characterised in that：The box liquid inlet device edge is plugged in electricity vertically
Solve the corresponding side inwall of groove.
6. copper powder electrolysis unit according to claim 2, it is characterised in that：Two height of box liquid inlet device are different.
7. copper powder electrolysis unit according to claim 2, it is characterised in that：The electrolytic cell is provided with inlet and goes out liquid
Mouthful, and the inlet and liquid outlet of electrolytic cell are arranged in the length of electrolytic cell to both sides in the way of low in and high out.
8. copper powder electrolysis unit according to claim 2, it is characterised in that：The pole plate is along electrolysis flute length to uniform row
Row, the width of electrolytic cell is provided with the draw-in groove for clamping pole plate to the upper edge of two side.
9. copper powder electrolysis unit according to claim 2, it is characterised in that：The electrolytic cell be lead lined steel tank, lining rubber groove,
Plastic channel or glass fibre reinforced plastic groove.
10. a kind of copper powder electrolytic method, it is characterised in that：It is electrolysed using the copper powder described in claim 1-9 any claims
Device electrolytic copper powder, the solution with copper sulphate and sulfuric acid composition is as electrolyte, and electrolytic parameter is as follows：Cathode-current density 1300~
1700A/m2,30~50 DEG C of temperature, bivalent cupric ion 6~13g/L of concentration, 120~160g/L of sulfuric acid concentration, die opening 3~
80mm, 20~40min of brush dust cycle, the flow velocity of two box liquid inlet device liquid outlets is respectively 0~150cm/s and 150~0cm/
S, the liquid outlet of box liquid inlet device is 2-6mm to the vertical range of pole plate edge.
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| CN107338457A (en) * | 2017-08-25 | 2017-11-10 | 重庆科技学院 | A kind of electrolytic cell of new recovery metal secondary resource |
| CN111593373A (en) * | 2020-07-13 | 2020-08-28 | 重庆有研重冶新材料有限公司 | Production method of electrolytic copper powder for perforating charge |
| CN113106499A (en) * | 2021-04-13 | 2021-07-13 | 阳谷祥光铜业有限公司 | Staggered parallel flow electrolytic cell, electrolytic refining system and electrolytic refining method |
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| CN107338457A (en) * | 2017-08-25 | 2017-11-10 | 重庆科技学院 | A kind of electrolytic cell of new recovery metal secondary resource |
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| CN113106499A (en) * | 2021-04-13 | 2021-07-13 | 阳谷祥光铜业有限公司 | Staggered parallel flow electrolytic cell, electrolytic refining system and electrolytic refining method |
| CN113106499B (en) * | 2021-04-13 | 2022-09-02 | 阳谷祥光铜业有限公司 | Staggered parallel flow electrolytic cell, electrolytic refining system and electrolytic refining method |
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