CN109440170A - A kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil and molten process for copper - Google Patents
A kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil and molten process for copper Download PDFInfo
- Publication number
- CN109440170A CN109440170A CN201811430761.5A CN201811430761A CN109440170A CN 109440170 A CN109440170 A CN 109440170A CN 201811430761 A CN201811430761 A CN 201811430761A CN 109440170 A CN109440170 A CN 109440170A
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- copper
- pot
- molten
- smelted
- overflow
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J16/00—Chemical processes in general for reacting liquids with non- particulate solids, e.g. sheet material; Apparatus specially adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
-
- 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
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- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention provides a kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil and molten process for copper, including pot for smelted copper, the pot for smelted copper is communicated with liquid pipeline and overflow passage, the overflow passage is connected to the top of pot for smelted copper, and overflow reservoir, filter and heat exchanger are successively arranged on overflow passage, the upper liquid pipeline is via the top for being connected to pot for smelted copper after the heat exchanger；The top of the pot for smelted copper is communicated with air draft pipeline, and the bottom of the pot for smelted copper is communicated with air blower.The present invention is transformed by the energy united to molten copper system, effectively improves copper dissolution reaction speed, reduces energy consumption, and each pollutant of institute's association significantly reduces in entire molten process for copper.
Description
Technical field
The invention belongs to electrolytic copper foil production technical fields, and in particular to a kind of energy-saving and environment-friendly molten copper system system of electrolytic copper foil
And molten process for copper.
Background technique
In electrolytic copper foil production process, the dissolution of copper is first working procedure, the molten process for copper of traditional immersion, sulfuric acid solution
Can be come into full contact with copper material, but since the utilization rate of air is too low, cause copper dissolution rate slow, exothermal efficiency is low, fluid infusion with
The huge temperature difference of tapping causes solution temperature gradually to decline, and continuous heated solution is needed just to be able to maintain highly effective reaction temperature；Spray
The molten process for copper of formula is sprayed using annular tube type, and the contact area of copper and air greatly improves, and reaction speed is effectively promoted, but is sprayed
It is bad that leaching dead angle contacts solution with copper material, to influence molten copper efficiency, and solution is less in fountain pot for smelted copper, liquid temperature is not
It is easy to control.And newest liquid-propellant rocket engine spray technique, coming into full contact with for sulfuric acid, air and copper material surface is realized, is mentioned
The high reaction speed and thermal discharge of molten copper process, can remove traditional steam heating from, and without high power air blowers, just
Air nature injection is set to enter tank body.But in this art, to make copper-bath generate spraying and injection, inherently
High pressure, big flow solution pump are needed, although the energy consumption of air blower avoids, but the energy consumption and drum of newly-increased solution pump
Blower is equally matched, and energy-saving effect is not obvious.
Summary of the invention
The molten process for copper of electrolytic copper foil has that molten copper low efficiency, energy consumption are high to the present invention in the prior art, provides one kind
The energy-saving and environment-friendly molten copper system system of electrolytic copper foil and molten process for copper, are transformed by the energy united to molten copper system, are effectively improved molten
Copper reaction speed reduces energy consumption, and each pollutant of institute's association significantly reduces in entire molten process for copper.
The present invention adopts the following technical scheme:
A kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil, including pot for smelted copper, the pot for smelted copper are communicated with liquid pipeline and overflow
Pipeline, the overflow passage are connected to the top of pot for smelted copper, and are successively arranged overflow reservoir, filter on overflow passage and change
Hot device, the upper liquid pipeline is via the top for being connected to pot for smelted copper after the heat exchanger；The top of the pot for smelted copper is communicated with pumping
The bottom of air pipe line, the pot for smelted copper is communicated with air blower.
The overflow passage top set being preferably located between filter and heat exchanger is equipped in line pipeline.
Preferably, the air blower is magnetic suspension cfentrifugal blower.
Preferably, the overflow reservoir is equipped with liquidometer, and variable frequency pump is equipped between overflow reservoir and filter, described
The output flow for the height of liquid level control variable frequency pump that variable frequency pump is shown according to liquidometer.
Preferably, the filter includes multistage filter.
The molten process for copper united using the molten copper system of energy-saving and environment-friendly electrolytic copper foil, specifically: according to existing cathode copper
Sulfuric acid, high purity water and copper material is added in the conventional proportions of the molten process for copper of foil, and starting air blower carries out air blast, air blast stream into pot for smelted copper
Amount is 100-500m3/ hours, and copper material, which gradually dissolves, forms copper-bath, and extra air and acid mist are through exhausting in pot for smelted copper
Pipeline is taken away, and exhausting flow is 100-500m3/ hours；In copper-bath overflow to overflow reservoir in pot for smelted copper, overflow
Copper-bath in reservoir is under external force (including the driving masterpiece of the gravity or pump that are obtained by high potential difference
With) followed by filter and heat exchanger, the flow for flowing through the copper-bath in heat exchanger is 1-10 m3/ hours, fluid infusion warp
Upper liquid pipeline is supplemented in pot for smelted copper, and the flow for flowing through the fluid infusion in heat exchanger is identical as the flow of copper-bath, and fluid infusion
After exchanging heat in heat exchanger with copper-bath, fluid replacement temperature, which increases, enters pot for smelted copper, and copper-bath temperature is lowered into
The next step.
Beneficial effects of the present invention are as follows:
The molten copper system system of electrolytic copper foil of the present invention, is additionally arranged overflow passage and heat exchanger, so that being gone out by pot for smelted copper overflow
Copper-bath (according to its temperature and strength properties, being denoted as high temperature concentrated solution, temperature is at 80 DEG C) with supplement low temperature it is dilute molten
Liquid (according to its temperature and strength properties, being denoted as low temperature weak solution, temperature is at 20 DEG C) exchanges heat in heat exchanger, has both saved to molten
The energy consumption that copper tank is additionally heated in turn avoids being directly added into adverse effect of the low temperature weak solution to liquid temperature in pot for smelted copper.Through
Heat exchange is crossed, the heat loss of pot for smelted copper is minimum, it is no longer necessary to using the additional heating device such as steam, hot water or electric heating, keep
Liquid temperature it is continual and steady.Furthermore the molten copper system system of electrolytic copper foil of the present invention replaces passing using magnetic suspension cfentrifugal blower
The screw air compressor of system, greatly reduces blast pressure.Under same air quantity, magnetic suspension cfentrifugal blower using electricity wisely expense
60% or more, at the same ensure system without greasy dirt, and thoroughly get rid of screw air compressor more oil change, replacement oil eliminator, oil
Cost caused by filter and oil removing filter core etc..
Molten process for copper of the present invention, the origin of heat of molten copper system system include that the air blower hot wind, the high temperature that blast are dilute molten
The heat dissipation of liquid and system response heat production, molten copper system system includes exhausting, high temperature concentrated solution and system radiating.Exhausting energy is slightly higher
In hot wind energy, since high temperature weak solution and high temperature concentrated solution have carried out heat exchanger heat exchange, high temperature weak solution and high temperature concentrated solution
Heat is not much different, and the system radiatings such as pot for smelted copper tank body, cover, pipeline and ambient temperature are related.In the practical life of summer
It produces in operation, environment temperature is high, causes the system radiatings such as pot for smelted copper tank body, cover, pipeline to reduce, it is difficult to balance in pot for smelted copper
Quantity of heat production, long-play are reacted, pot for smelted copper temperature can be increased, be unfavorable for normal reaction, at this moment just need to open in line
Pipeline, so that part high temperature concentrated solution exchanges heat without heat exchanger and low temperature weak solution, to reduce the heat into molten copper system system,
It is increased to avoid temperature in pot for smelted copper；And in the actual production in other seasons operation, due to pot for smelted copper tank body, cover, pipeline
Equal system radiatings obviously increase, and when closing in line pipeline, temperature can also be kept stable in pot for smelted copper.
It is noted that the high temperature concentrated solution overflowed in pot for smelted copper is used to supplement the copper liquid consumption of subsequent electrowinning process,
And before entering electrowinning process, it also needs to first pass through soiling solution slot and net liquid slot carries out cooling, purified treatment, and of the invention molten
In copper system system and molten process for copper, high temperature concentrated solution and low temperature weak solution carry out heat exchange in heat exchanger, on the one hand improve into
The temperature for entering the low temperature weak solution in pot for smelted copper, saves the energy consumption additionally heated to pot for smelted copper, on the other hand reduces
The temperature of high temperature concentrated solution, so that before entering electrowinning process.The temperature of high temperature concentrated solution just has already decreased to OK range,
To effectively reduce the load of soiling solution slot and/or net liquid slot cooling system, or even soiling solution slot and/or the cooling of net liquid slot is omitted
The use of system.
Through production test, using molten process for copper of the invention, it is only necessary to which the electric power of 10-12KW keeps single pot for smelted copper every
Molten 200 kilograms of copper of hour or more, compared to the molten process for copper of original immersion, electric power reduces 15KW or so, and saves steam
0.15 ton/hour or so, and compared to the molten copper of fountain and the molten process for copper of injection type, electric power reduces about 10KW-20KW.
Detailed description of the invention
Fig. 1 is the schematic diagram of molten copper system system of the present invention.
Specific embodiment
In order to keep technical purpose of the invention, technical scheme and beneficial effects clearer, with reference to the accompanying drawing and specifically
Embodiment is further illustrated technical solution of the present invention.
As shown in Figure 1, a kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil, including pot for smelted copper 1, the pot for smelted copper 1 are connected to
There are upper liquid pipeline 10 and overflow passage 11, the overflow passage 11 is connected to the top of pot for smelted copper 1, and on overflow passage 11 successively
Equipped with overflow reservoir 2, variable frequency pump 3, grade one filter 4, secondary filter 5 and heat exchanger 6, the filter hole of grade one filter 4
Diameter is greater than the pore size filter of secondary filter 5, and the overflow reservoir 2 is equipped with liquidometer, overflow reservoir 2 and grade one filter
Variable frequency pump 3 is equipped between 4, the liquidometer is connected to control the output stream of variable frequency pump 3 according to height of liquid level with variable frequency pump 3
Amount.The upper liquid pipeline 10 is via the top for being connected to pot for smelted copper 1 after the heat exchanger 6；The top of the pot for smelted copper 1 is communicated with
Air draft pipeline 9, the bottom of the pot for smelted copper 1 are communicated with air blower 7 by air blast pipeline 8, in the present embodiment, the air blower 7
For magnetic suspension cfentrifugal blower.In the present embodiment, divide on the overflow passage 11 between secondary filter 5 and heat exchanger 6
In line pipeline 12 is installed, in line pipeline 12 is equipped with shut-off valve, and when summer operation, openable shut-off valve passes through in line pipeline
The effect of 12 discharge part copper-baths, in line pipeline 12 and overflow passage 11 is by the copper-bath in pot for smelted copper 1
Deliver into the next step.
The molten process for copper united using the molten copper system of energy-saving and environment-friendly electrolytic copper foil, specifically: according to existing cathode copper
Sulfuric acid, high purity water and copper material is added in the conventional proportions of the molten process for copper of foil, and starting air blower 7 carries out air blast, air blast into pot for smelted copper 1
Flow is 100-500m3/ hours, and copper material, which gradually dissolves, forms copper-bath, and extra air and acid mist are through taking out in pot for smelted copper 1
Air pipe line 9 is taken away, and exhausting flow is 100-500m3/ hours；Copper-bath overflow in pot for smelted copper 1 is to overflow reservoir 2
Interior, the copper-bath in overflow reservoir 2 is under external force followed by grade one filter 4, secondary filter 5 and heat exchange
Device 6, the flow for flowing through the copper-bath in heat exchanger 6 is 1-10 m3/ hours, and fluid infusion is supplemented to molten copper through upper liquid pipeline 10
In tank 1, the flow for flowing through the fluid infusion in heat exchanger 6 is identical as the flow of copper-bath, and fluid infusion and copper-bath are changing
In hot device 6 after heat exchange, fluid replacement temperature, which increases, enters pot for smelted copper 1, and copper-bath temperature is lowered into the next step.
It should be noted last that: technical solution of the present invention that the above embodiments are only illustrative and not limiting is any right
The equivalent replacement and do not depart from the modification of spirit and scope of the invention or locally replace that the present invention carries out, should all cover in this hair
Within bright protective scope of the claims.
Claims (6)
1. a kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil, including pot for smelted copper, the pot for smelted copper are communicated with liquid pipeline and overflow
Flow tube road, it is characterised in that: the overflow passage is connected to the top of pot for smelted copper, and overflow liquid storage is successively arranged on overflow passage
Slot, filter and heat exchanger, the upper liquid pipeline is via the top for being connected to pot for smelted copper after the heat exchanger；The pot for smelted copper
Top is communicated with air draft pipeline, and the bottom of the pot for smelted copper is communicated with air blower.
2. the molten copper system system of energy-saving and environment-friendly electrolytic copper foil according to claim 1, it is characterised in that: positioned at filter with change
Overflow passage top set between hot device is equipped in line pipeline.
3. the molten copper system system of energy-saving and environment-friendly electrolytic copper foil according to claim 1, it is characterised in that: the air blower is magnetic
Suspension centrifugal air blower.
4. the molten copper system system of energy-saving and environment-friendly electrolytic copper foil according to claim 1, it is characterised in that: the overflow reservoir
Equipped with liquidometer, variable frequency pump is equipped between overflow reservoir and filter.
5. the molten copper system system of energy-saving and environment-friendly electrolytic copper foil according to claim 1, it is characterised in that: the filter includes
Multistage filter.
6. using the molten process for copper of described in any one of claim 1 to 55 described in any item energy-saving and environment-friendly molten copper system systems of electrolytic copper foil, feature
It is, specifically: sulfuric acid, high purity water and copper material is added according to the conventional proportions of the molten process for copper of existing electrolytic copper foil, starts air blast
Machine carries out air blast into pot for smelted copper, and air blast flux is 100-500m3/ hours, and copper material, which gradually dissolves, forms copper-bath, molten copper
Extra air and acid mist are taken away through air draft pipeline in tank, and exhausting flow is 100-500m3/ hours；Copper sulphate in pot for smelted copper
In solution overflow to overflow reservoir, the copper-bath in overflow reservoir followed by filter and changes under external force
Hot device, the flow for flowing through the copper-bath in heat exchanger is 1-10 m3/ hours, and fluid infusion is supplemented to pot for smelted copper through upper liquid pipeline
In, the flow for flowing through the fluid infusion in heat exchanger is identical as the flow of copper-bath, and fluid infusion and copper-bath are in heat exchanger
After interior heat exchange, fluid replacement temperature, which increases, enters pot for smelted copper, and copper-bath temperature is lowered into the next step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811430761.5A CN109440170A (en) | 2018-11-28 | 2018-11-28 | A kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil and molten process for copper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811430761.5A CN109440170A (en) | 2018-11-28 | 2018-11-28 | A kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil and molten process for copper |
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| CN109440170A true CN109440170A (en) | 2019-03-08 |
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|---|---|---|---|
| CN201811430761.5A Pending CN109440170A (en) | 2018-11-28 | 2018-11-28 | A kind of molten copper system system of energy-saving and environment-friendly electrolytic copper foil and molten process for copper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349949A (en) * | 2020-04-03 | 2020-06-30 | 广东嘉元科技股份有限公司 | Liquid making device for producing electrolytic copper foil |
| CN113019277A (en) * | 2021-03-01 | 2021-06-25 | 江西铜博科技有限公司 | Copper dissolving method for electrolytic copper foil |
| CN113430588A (en) * | 2021-07-08 | 2021-09-24 | 江西鑫铂瑞科技有限公司 | Energy-saving and consumption-reducing device for electrolytic copper foil liquid preparation |
| CN116121820A (en) * | 2022-12-29 | 2023-05-16 | 深圳惠科新材料有限公司 | Immersion copper dissolving tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349949A (en) * | 2020-04-03 | 2020-06-30 | 广东嘉元科技股份有限公司 | Liquid making device for producing electrolytic copper foil |
| CN113019277A (en) * | 2021-03-01 | 2021-06-25 | 江西铜博科技有限公司 | Copper dissolving method for electrolytic copper foil |
| CN113430588A (en) * | 2021-07-08 | 2021-09-24 | 江西鑫铂瑞科技有限公司 | Energy-saving and consumption-reducing device for electrolytic copper foil liquid preparation |
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