CN109097816A - A kind of molten copper device and its copper dissolving method - Google Patents
A kind of molten copper device and its copper dissolving method Download PDFInfo
- Publication number
- CN109097816A CN109097816A CN201811185336.4A CN201811185336A CN109097816A CN 109097816 A CN109097816 A CN 109097816A CN 201811185336 A CN201811185336 A CN 201811185336A CN 109097816 A CN109097816 A CN 109097816A
- Authority
- CN
- China
- Prior art keywords
- pot
- copper
- smelted
- smelted copper
- molten
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 333
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 327
- 239000010949 copper Substances 0.000 title claims abstract description 326
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002253 acid Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000005192 partition Methods 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 12
- 230000009469 supplementation Effects 0.000 claims abstract description 11
- 239000003595 mist Substances 0.000 claims description 22
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000005201 scrubbing Methods 0.000 claims description 8
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 6
- 239000005751 Copper oxide Substances 0.000 claims description 6
- 229910000431 copper oxide Inorganic materials 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 39
- 239000000243 solution Substances 0.000 description 26
- 239000011889 copper foil Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
- C25D21/14—Controlled addition of electrolyte components
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- ing And Chemical Polishing (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of molten copper device and its copper dissolving method, which includes pot for smelted copper, air filter and resistance to acid circulating pump；Pot for smelted copper top is equipped with feeding port, and inside is equipped with feed liquor distributor and inner sleeve；Seal closure is equipped with pot for smelted copper lid at feeding port；Inner sleeve lower end inside is equipped with pot for smelted copper lower head, and pot for smelted copper lower head top is equipped with pot for smelted copper partition；Pot for smelted copper side wall offers pot for smelted copper overflow hole；Pot for smelted copper central tube is equipped with inside pot for smelted copper；Pot for smelted copper central tube lower end is equipped with aft cover plate；The opposite sides tank skin of pot for smelted copper is successively arranged pot for smelted copper overflow pipe, pot for smelted copper liquid supplementation pipe and pot for smelted copper exhaust column from bottom to top；Air filter is inside pot for smelted copper central tube upper end；The input terminal of resistance to acid circulating pump connects feed liquor distributor, and output end is connected with pot for smelted copper inlet tube；Pot for smelted copper inlet tube protrudes into the inside of pot for smelted copper central tube and is equipped with liquid spray head.The configuration of the present invention is simple, easy for operation and energy conservation and environmental protection.
Description
Technical field
The present invention relates to a kind of electrolytic copper foil production technology, in particular to a kind of molten copper device and its copper dissolving methods.
Background technique
Copper sulphate is the primary raw material in electrolytic copper foil production, and molten copper is the first procedure in electrolytic copper foil production,
It is a very crucial, important link, whether the production whether molten copper is normally directly related to electrolytic copper foil can stable operation.
Molten copper is that raw material copper sheet or copper wire are distributed in molten copper container, with the sulfuric acid and air in the sulfuric acid solution of addition
In oxygen chemically reacted, so that raw material copper sheet or copper wire is dissolved as copper-bath.Currently molten process for copper master is to be used has
The molten copper of high temperature immersion type and the molten copper of low temperature fountain, the molten copper of high temperature immersion type need to be that solution adds in pot for smelted copper using a large amount of steam
Heat, temperature need to remain to 70 degree or more, while need to use high-power air compressor machine is to blast air in pot for smelted copper, this results in molten copper
Cost is high；The molten copper of low temperature fountain needs largely to blast air then to improve molten copper speed, the requirement of acid mist processing capacity
Height, at the same air inlet position due to temperature it is low, easy crystallization causes air inlet to block.
Summary of the invention
The problem of for above-mentioned background technique, the present invention provides a kind of energy conservation, low pollution, easy-operating molten copper
Device and its copper dissolving method.
Technical scheme is as follows:
Above-mentioned molten copper device, including pot for smelted copper, air filter and resistance to acid circulating pump；
The top of the pot for smelted copper is equipped with feeding port, is provided with feed liquor distributor on the inside of bottom end；The pot for smelted copper feeds intake described
Matching seal closure is equipped with pot for smelted copper lid at mouthful；
The inside of the pot for smelted copper also matches and is provided with inner sleeve, the inner cavity of the upper and lower ends of the inner sleeve and the pot for smelted copper
Connection；The lower end inside matching of the inner sleeve is equipped with pot for smelted copper lower head, and the top of the pot for smelted copper lower head is provided with molten
The inner wall of copper tank partition and top outer and the inner sleeve is tightly connected；The bottom end outer wall and the pot for smelted copper of the inner sleeve
Inner wall separate, the top of the inner sleeve circumferentially turn up extension after connect with the upper end inner wall of the pot for smelted copper so that institute
It states and forms spill cavity between the inner wall of pot for smelted copper and the outer wall of the inner sleeve；The pot for smelted copper is right topmost in the spill cavity
Pot for smelted copper overflow hole is offered on the side wall answered；
The inside center of the pot for smelted copper is vertically arranged with pot for smelted copper central tube；Described in the upper end of the pot for smelted copper central tube is stretched out
On the outside of feeding port and it is equipped with air inlet, lower end passes through inner cavity and the end that the pot for smelted copper partition protrudes into the pot for smelted copper lower head
Also Matching installation has aft cover plate；
The pot for smelted copper is respectively equipped with pot for smelted copper overflow pipe and molten copper on the opposite sides tank skin being located above the inner sleeve
Tank liquid supplementation pipe；The pot for smelted copper is equipped with pot for smelted copper on the opposite sides tank skin being located above the pot for smelted copper overflow pipe
Exhaust column；The pot for smelted copper overflow pipe, pot for smelted copper liquid supplementation pipe and the equal one end of pot for smelted copper exhaust column are protruded on the inside of the pot for smelted copper, separately
One end is stretched out to the pot for smelted copper outside；The pot for smelted copper exhaust column is connected to external acid mist scrubbing tower；
The air filter is mounted on the upper end tubular body of the pot for smelted copper central tube；
The resistance to acid circulating pump is located on the outside of the pot for smelted copper, and input terminal pipeline protrudes on the inside of the pot for smelted copper and the feed liquor
Distributor matching connection；The output end of the resistance to acid circulating pump is connected with pot for smelted copper inlet tube；The pot for smelted copper inlet tube protrudes into
The inside and end of the pot for smelted copper central tube are equipped with liquid spray head.
The molten copper device, in which: the pot for smelted copper is provided with annular water sealing device at the feeding port；It is described molten
Copper cover seals up the feeding port by the annular water sealing device.
The molten copper device, in which: the interior bottom central zones of the pot for smelted copper are installed with four support columns vertically；Four
The lower end inside of the inner sleeve is protruded into the upper end of the support column；The spherical shape of the pot for smelted copper lower head and it is fixed on four
The upper end end of the support column.
The molten copper device, in which: the bottom end of the pot for smelted copper is arranged in by four supports in the feed liquor distributor
In the space that column surrounds.
A kind of copper dissolving method of the molten copper device, detailed process are as follows:
(1) copper raw material is uniformly distributed by feeding port and is added on pot for smelted copper partition；
(2) copper-bath is injected in pot for smelted copper, until copper-bath submerges copper raw material；
(3) start resistance to acid circulating pump, the solution below pot for smelted copper partition is extracted out, send to passing through at the center of pot for smelted copper central tube
Liquid spray head is sprayed at pot for smelted copper lower head, is flowed back in pot for smelted copper by the screening of pot for smelted copper lower head and is contacted with copper material；
(4) it is filtered, then passed through by air of the air filter to the air inlet entrance by pot for smelted copper central tube upper end
Liquid liquid spouting nozzle causes negative pressure in pot for smelted copper central tube, and air is brought into the solution sprayed in pot for smelted copper with liquid spray head and is mixed,
The foam dress liquid for forming gas-liquid mixed enters in pot for smelted copper, and the oxygen in the foam-like solution of formation sufficiently connects with copper material
Touching occurs chemical reaction and generates copper oxide, while sulfuric acid contained in foam-like solution and copper oxide occur chemical reaction and generate
Copper sulphate；
(5) copper-bath of generation is overflowed back below pot for smelted copper partition again by pot for smelted copper overflow hole, in pot for smelted copper
Complete solution recycle system is formed, and the flow by adjusting resistance to acid circulating pump in real time controls air in pot for smelted copper
Inlet, solution circulation rate and solution temperature；
(6) acid mist generated after reaction is entered external acid mist scrubbing tower by pot for smelted copper exhaust column to handle, is handled
Outlet after qualification；
(7) system low concentration lean solution is filled into pot for smelted copper finally by pot for smelted copper liquid supplementation pipe, pot for smelted copper liquid level reaches certain height
When spending, system is overflowed back by pot for smelted copper overflow pipe, high concentration rich solution is filled into system, reaches the balance of system copper concentration, even
Continue stable guarantee production.
The utility model has the advantages that
The molten copper apparatus structure design of the present invention is simple, reasonable, easy for operation, at runtime, can be by the utilization efficiency of air
Maximize, sufficiently reacted using the air of minimum with copper material, since specific air consumption is small, caused by solution thermal loss also drop
To minimum, only rely on and chemically react the heat of generation in pot for smelted copper pot for smelted copper temperature can be maintained to 70-90 degree, that is, can reach
Temperature requirement needed for the molten copper of high temperature, does not need steam and is heated, and energy-saving and environmental protection are suitable for popularization and application.
The advantages of copper dissolving method of the present invention is compared with the molten process for copper now used is:
(1) easy to operate, the inlet of air, solution in pot for smelted copper can be controlled by adjusting the flow of resistance to acid circulating pump in real time
Circulation rate and solution temperature；Molten copper is high-efficient, and copper more molten than conventional high-temperature and the molten copper efficiency of spray are obviously improved, molten copper energy
Power reaches 1.5-2 times；
(2) energy conservation and environmental protection, pot for smelted copper temperature can be maintained at 70-90 degree by not needing steam heating, be greatly saved steam
Cost；The acid mist that pot for smelted copper reaction generates seldom is only the 25% of the molten copper of immersion type, the 1% of the molten copper of fountain；Meanwhile pot for smelted copper
Annular water sealing device is provided at feeding port, pot for smelted copper lid is sealed up feeding port by annular water sealing device, can be effective
Prevent acid mist by draining into air at feeding port, and the pot for smelted copper for being equal to acid mist collecting mouth is additionally provided with above pot for smelted copper
Acid mist can be effectively recycled by exhaust column, mitigate environmental pollution；
(3) copper raw material is required to reduce, copper wire need to be all added compared to molten copper is sprayed, requirement of the present invention to copper raw material is significantly
Reduction, copper sheet and production tailing, which can enter in pot for smelted copper, to be dissolved, and it is obvious to save cost；
(4) air of pot for smelted copper is drawn onto central tube certainly by central tube negative pressure, is not needed air compressor machine or other equipment blast sky
Gas is greatly saved the cost of this equipment component and operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the molten copper device of the present invention.
In figure: 1 pot for smelted copper, 2 air filters, 3 resistance to acid circulating pumps, 101 inner sleeves, 102 spill cavities, 103 pot for smelted copper
It is overflow hole, 104 feeding ports, 105 support columns, 106 feed liquor distributors, 107 pot for smelted copper lower heads, 108 pot for smelted copper partitions, 109 molten
It is copper tank central tube, 110 aft cover plates, 111 pot for smelted copper liquid supplementation pipes, 112 pot for smelted copper exhaust columns, 113 annular water sealing devices, 114 molten
Copper cover, 115 pot for smelted copper inlet tubes, 116 liquid spray heads.
Specific embodiment
As shown in Figure 1, the molten copper device of the present invention, including pot for smelted copper 1, air filter 2 and resistance to acid circulating pump 3.
The inside of the pot for smelted copper 1 is equipped with inner sleeve 101, and the upper and lower ends of the inner sleeve 101 and the inner cavity of pot for smelted copper 1 connect
It is logical；The top of the inner sleeve 101 is connect after circumferentially turning up with the upper end inner wall of the pot for smelted copper 1, outside the bottom end of the inner sleeve 101
The lower end inner wall of wall and the pot for smelted copper 1 separates, and overflows so as to be formed between the inner sidewall of pot for smelted copper 1 and the lateral wall of inner sleeve 101
Flow chamber 102；The pot for smelted copper 1 offers pot for smelted copper overflow hole 103 on spill cavity 102 topmost corresponding side wall.
The top of the pot for smelted copper 1 is equipped with feeding port 104, is provided with feed liquor distributor 106 on the inside of bottom end；Wherein, the molten copper
The interior bottom central zones of tank 1 are installed with four support columns 105 vertically, and inner sleeve 101 is protruded into the upper end of four support columns 105
The matching of interior and end is provided with the pot for smelted copper lower head 107 of spherical shape, and the top of the pot for smelted copper lower head 107 is horizontally disposed to be had
The inner wall of pot for smelted copper partition 108 and top outer and inner sleeve 101 is tightly connected；The feed liquor distributor 106 is set to by four
In the space that support column 105 surrounds.
The inside center of the pot for smelted copper 1 is also vertically arranged with pot for smelted copper central tube 109；The pot for smelted copper central tube 109 it is upper
104 outside of feeding port at 1 top of pot for smelted copper is stretched out at end, and lower end passes through pot for smelted copper partition 108 and protrudes into pot for smelted copper lower head 107
Chamber and end Matching installation has aft cover plate 110；The pot for smelted copper partition 108 and pot for smelted copper lower head 107 pass through the pot for smelted copper center
Pipe 109 supports；Wherein, the outer tube wall of the pot for smelted copper partition 108 and the pot for smelted copper central tube 109 welds, and can effectively guarantee molten
The load-bearing capacity of copper tank partition 108 guarantees that copper material is sufficient in the pot for smelted copper 1 and does not influence to use.
The pot for smelted copper 1 is respectively equipped with 110 He of pot for smelted copper overflow pipe on the opposite sides tank skin being located above inner sleeve 101
Pot for smelted copper liquid supplementation pipe 111；1 inside of pot for smelted copper is protruded into the pot for smelted copper overflow pipe 110 and the equal one end of pot for smelted copper liquid supplementation pipe 111, separately
1 outside of pot for smelted copper is stretched out in one end；The pot for smelted copper 1 is all provided on the opposite sides tank skin being located above pot for smelted copper overflow pipe 110
Pot for smelted copper exhaust column 112 and (the acid mist scrubbing tower is acid mist processing by pot for smelted copper exhaust column 112 and external acid mist scrubbing tower
Common apparatus) matching connection；Pot for smelted copper pumping is in charge of 112 one end and protrudes into 1 inside of pot for smelted copper, and the other end stretches out the pot for smelted copper 1
Outside.
Also matching is provided with annular water sealing device 113 at feeding port 104 at 1 top of pot for smelted copper, at the feeding port 104
It is additionally provided with pot for smelted copper lid 114, which passes through annular water sealing device 113 and seal feeding port 104, can be effective
Prevent acid mist by draining into air at feeding port 104.
The air filter 2 is mounted on the upper end tubular body of pot for smelted copper central tube 109.
The resistance to acid circulating pump 3 is located at 1 outside of pot for smelted copper, and input terminal pipeline protrudes into 1 inside of pot for smelted copper and feed liquor distributor
106 matching connections；The output end of the resistance to acid circulating pump 3 is connect with 115 one end of pot for smelted copper inlet tube of pot for smelted copper 1, the pot for smelted copper
115 other end of inlet tube protrudes into inside 105 upper end of pot for smelted copper central tube and end is also equipped with liquid spray head 116.
Wherein, the top of the pot for smelted copper 1 is additionally provided with the pot for smelted copper exhaust column 112 for being equal to acid mist collecting mouth, due to molten copper
The air capacity that chemical reaction uses in tank 1 is small, and the acid mist amount of generation is also corresponding seldom, is all received by pot for smelted copper exhaust column 112
The acid mist collected is drained into external acid mist scrubbing tower and is handled.
Copper dissolving method of the present invention, based on above-mentioned molten copper device, specifically includes the following steps:
(1) cleaned copper raw material is entered in pot for smelted copper 1 by feeding port 104, it is evenly laid out on pot for smelted copper partition 108
Side；
(2) dilution heat of sulfuric acid that appropriate amount is injected in pot for smelted copper 1, make its from 103 overflow of pot for smelted copper overflow hole of pot for smelted copper 1 to
108 lower section of pot for smelted copper partition of pot for smelted copper 1；
(3) start resistance to acid circulating pump 3, the dilution heat of sulfuric acid of 108 lower section of pot for smelted copper partition is passed through into feed liquor distributor 106(feed liquor
Distributor 106 can effectively remove the impurity in solution and air can be prevented to enter resistance to acid circulating pump 3, guarantee that feed liquor is smooth
It is logical, improve working efficiency, extend service life of equipment) pot for smelted copper inlet tube 115 is transported to by resistance to acid circulating pump 3；
(4) dilution heat of sulfuric acid is ejected into pot for smelted copper lower head 107 by the liquid spray head 116 for being mounted on 115 end of pot for smelted copper inlet tube,
And negative pressure is caused in pot for smelted copper central tube 109；
Outside air is entered pot for smelted copper 1(without big function from air inlet nature injection by the negative pressure in pot for smelted copper central tube 109
Rate air blower), by air filter 2 processing remove impurity after enter in pot for smelted copper central tube 109 with liquid spray head 116
The dilution heat of sulfuric acid of ejection forms the foam-like solution of gas-liquid mixed, and the utilization efficiency of air is maximized, minimum is used
Air is sufficiently reacted with copper material；
The aft cover plate 110 of 109 bottom end of pot for smelted copper central tube is mounted on the collective effect of pot for smelted copper lower head 107 and bubble will be mixed
The screening of foam solution is flowed back in pot for smelted copper 1, and solution is caused to seethe, and keeps it abundant with the copper raw material that is placed on the top of pot for smelted copper partition 108
(oxygen in the foam-like solution of formation comes into full contact with copper material, and chemical reaction occurs and generates copper oxide, while foam-like for contact
Sulfuric acid contained in solution and copper oxide occur chemical reaction and generate copper sulphate), realize filling for sulfuric acid, air and copper material surface
Tap touching, the reaction speed of molten copper process improve 1.5-2 times, and the heat that highly effective reaction generates is maintained at pot for smelted copper temperature
70-90 DEG C, temperature requirement needed for having reached the molten copper of high temperature can substitute steam heating completely；
(5) copper-bath after reaction is overflowed back into 108 lower section of pot for smelted copper partition by pot for smelted copper overflow hole 103 again,
A complete solution recycle system is formed in pot for smelted copper 1；Wherein, molten copper can control by the flow adjusting of resistance to acid circulating pump 3
The inlet of air in tank 1, the circulation rate of solution, solution temperature etc.；
(6) by the acid mist generated after reaction, (air capacity used is small due to chemically reacting in pot for smelted copper 1, the acid mist amount of generation
It is corresponding seldom) it is all handled by acid mist scrubbing tower of the pot for smelted copper exhaust column 112 outside, outlet after processing is qualified；
(7) pot for smelted copper 1 is filled into finally by 111 low concentration lean solution of pot for smelted copper liquid supplementation pipe, pot for smelted copper 1 when reaching a certain height,
System is overflowed back by pot for smelted copper overflow pipe 110, high concentration rich solution is filled into system, reaches the balance of system copper concentration, continuously
Stable guarantee production.
Operation of the present invention is simple and energy-saving and environmental protection, at runtime maximizes the utilization efficiency of air, uses minimum
Air is sufficiently reacted with copper material, since specific air consumption is small, caused by solution thermal loss also minimize, only rely on pot for smelted copper
Pot for smelted copper temperature can be maintained at 70-90 degree by the heat that middle chemical reaction generates, and can reach a high temperature temperature needed for molten copper
It is required that it is not necessary to steam is heated.
Claims (5)
1. a kind of molten copper device, it is characterised in that: the molten copper device includes pot for smelted copper, air filter and acidproof circulation
Pump；
The top of the pot for smelted copper is equipped with feeding port, is provided with feed liquor distributor on the inside of bottom end；The pot for smelted copper feeds intake described
Matching seal closure is equipped with pot for smelted copper lid at mouthful；
The inside of the pot for smelted copper also matches and is provided with inner sleeve, the inner cavity of the upper and lower ends of the inner sleeve and the pot for smelted copper
Connection；The lower end inside matching of the inner sleeve is equipped with pot for smelted copper lower head, and the top of the pot for smelted copper lower head is provided with molten
The inner wall of copper tank partition and top outer and the inner sleeve is tightly connected；The bottom end outer wall and the pot for smelted copper of the inner sleeve
Inner wall separate, the top of the inner sleeve circumferentially turn up extension after connect with the upper end inner wall of the pot for smelted copper so that institute
It states and forms spill cavity between the inner wall of pot for smelted copper and the outer wall of the inner sleeve；The pot for smelted copper is right topmost in the spill cavity
Pot for smelted copper overflow hole is offered on the side wall answered；
The inside center of the pot for smelted copper is vertically arranged with pot for smelted copper central tube；Described in the upper end of the pot for smelted copper central tube is stretched out
On the outside of feeding port and it is equipped with air inlet, lower end passes through inner cavity and the end that the pot for smelted copper partition protrudes into the pot for smelted copper lower head
Also Matching installation has aft cover plate；
The pot for smelted copper is respectively equipped with pot for smelted copper overflow pipe and molten copper on the opposite sides tank skin being located above the inner sleeve
Tank liquid supplementation pipe；The pot for smelted copper is equipped with pot for smelted copper on the opposite sides tank skin being located above the pot for smelted copper overflow pipe
Exhaust column；The pot for smelted copper overflow pipe, pot for smelted copper liquid supplementation pipe and the equal one end of pot for smelted copper exhaust column are protruded on the inside of the pot for smelted copper, separately
One end is stretched out to the pot for smelted copper outside；The pot for smelted copper exhaust column is connected to external acid mist scrubbing tower；
The air filter is mounted on the upper end tubular body of the pot for smelted copper central tube；
The resistance to acid circulating pump is located on the outside of the pot for smelted copper, and input terminal pipeline protrudes on the inside of the pot for smelted copper and the feed liquor
Distributor matching connection；The output end of the resistance to acid circulating pump is connected with pot for smelted copper inlet tube；The pot for smelted copper inlet tube protrudes into
The inside and end of the pot for smelted copper central tube are equipped with liquid spray head.
2. molten copper device as described in claim 1, it is characterised in that: the pot for smelted copper is provided with annular at the feeding port
Water sealing device；The pot for smelted copper lid seals up the feeding port by the annular water sealing device.
3. molten copper device as described in claim 1, it is characterised in that: the interior bottom central zones of the pot for smelted copper are fixed vertically
There are four support columns；The lower end inside of the inner sleeve is protruded into the upper end of four support columns；The pot for smelted copper lower head is in
Dome shape and the upper end end for being fixed on four support columns.
4. molten copper device as claimed in claim 2, it is characterised in that: the bottom of the pot for smelted copper is arranged in the feed liquor distributor
It holds in the space surrounded by four support columns.
5. a kind of copper dissolving method based on molten copper device described in Claims 1-4 any one, which is characterized in that described molten
Copper method detailed process is as follows:
(1) copper raw material is uniformly distributed by feeding port and is added on pot for smelted copper partition；
(2) copper-bath is injected in pot for smelted copper, until copper-bath submerges copper raw material；
(3) start resistance to acid circulating pump, the solution below pot for smelted copper partition is extracted out, send to passing through at the center of pot for smelted copper central tube
Liquid spray head is sprayed at pot for smelted copper lower head, is flowed back in pot for smelted copper by the screening of pot for smelted copper lower head and is contacted with copper material；
(4) it is filtered, then passed through by air of the air filter to the air inlet entrance by pot for smelted copper central tube upper end
Liquid liquid spouting nozzle causes negative pressure in pot for smelted copper central tube, and air is brought into the solution sprayed in pot for smelted copper with liquid spray head and is mixed,
The foam dress liquid for forming gas-liquid mixed enters in pot for smelted copper, and the oxygen in the foam-like solution of formation sufficiently connects with copper material
Touching occurs chemical reaction and generates copper oxide, while sulfuric acid contained in foam-like solution and copper oxide occur chemical reaction and generate
Copper sulphate；
(5) copper-bath of generation is overflowed back below pot for smelted copper partition again by pot for smelted copper overflow hole, in pot for smelted copper
Complete solution recycle system is formed, and the flow by adjusting resistance to acid circulating pump in real time controls air in pot for smelted copper
Inlet, solution circulation rate and solution temperature；
(6) acid mist generated after reaction is entered external acid mist scrubbing tower by pot for smelted copper exhaust column to handle, is handled
Outlet after qualification；
(7) system low concentration lean solution is filled into pot for smelted copper finally by pot for smelted copper liquid supplementation pipe, pot for smelted copper liquid level reaches certain height
When spending, system is overflowed back by pot for smelted copper overflow pipe, high concentration rich solution is filled into system, reaches the balance of system copper concentration, even
Continue stable guarantee production.
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| CN201811185336.4A CN109097816B (en) | 2018-10-11 | 2018-10-11 | Copper dissolving device and copper dissolving method thereof |
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| CN201811185336.4A CN109097816B (en) | 2018-10-11 | 2018-10-11 | Copper dissolving device and copper dissolving method thereof |
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| CN109097816B CN109097816B (en) | 2024-02-20 |
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Cited By (7)
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| CN110117812A (en) * | 2019-06-18 | 2019-08-13 | 广东嘉元科技股份有限公司 | Pot for smelted copper for the production of 6 micron copper foils |
| CN110820020A (en) * | 2019-11-01 | 2020-02-21 | 金川集团股份有限公司 | Novel dissolve copper device |
| CN112899486A (en) * | 2021-03-02 | 2021-06-04 | 江西铜博科技有限公司 | High-efficiency energy-saving copper dissolving device |
| CN114452892A (en) * | 2021-12-27 | 2022-05-10 | 西安泰金工业电化学技术有限公司 | Gas-liquid mixing self-suction device |
| CN114540887A (en) * | 2022-02-16 | 2022-05-27 | 云南惠铜新材料科技有限公司 | Efficient energy-saving copper dissolving system and process concentration control equipment |
| CN114713176A (en) * | 2022-05-27 | 2022-07-08 | 西安泰金工业电化学技术有限公司 | High-efficient copper dissolving tank |
| CN115779795A (en) * | 2022-12-09 | 2023-03-14 | 江西省江铜铜箔科技股份有限公司 | Copper dissolving device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117812A (en) * | 2019-06-18 | 2019-08-13 | 广东嘉元科技股份有限公司 | Pot for smelted copper for the production of 6 micron copper foils |
| CN110820020A (en) * | 2019-11-01 | 2020-02-21 | 金川集团股份有限公司 | Novel dissolve copper device |
| CN112899486A (en) * | 2021-03-02 | 2021-06-04 | 江西铜博科技有限公司 | High-efficiency energy-saving copper dissolving device |
| CN114452892A (en) * | 2021-12-27 | 2022-05-10 | 西安泰金工业电化学技术有限公司 | Gas-liquid mixing self-suction device |
| CN114540887A (en) * | 2022-02-16 | 2022-05-27 | 云南惠铜新材料科技有限公司 | Efficient energy-saving copper dissolving system and process concentration control equipment |
| CN114713176A (en) * | 2022-05-27 | 2022-07-08 | 西安泰金工业电化学技术有限公司 | High-efficient copper dissolving tank |
| CN115779795A (en) * | 2022-12-09 | 2023-03-14 | 江西省江铜铜箔科技股份有限公司 | Copper dissolving device |
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