CN117004827A - System and method for producing copper wire blank for electrician by using red impure copper - Google Patents
System and method for producing copper wire blank for electrician by using red impure copper Download PDFInfo
- Publication number
- CN117004827A CN117004827A CN202310984621.7A CN202310984621A CN117004827A CN 117004827 A CN117004827 A CN 117004827A CN 202310984621 A CN202310984621 A CN 202310984621A CN 117004827 A CN117004827 A CN 117004827A
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- melt
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 189
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 150
- 239000010949 copper Substances 0.000 title claims abstract description 150
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000007670 refining Methods 0.000 claims abstract description 67
- 238000005096 rolling process Methods 0.000 claims abstract description 56
- 238000009749 continuous casting Methods 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000002893 slag Substances 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000006479 redox reaction Methods 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009897 systematic effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
- C22B15/003—Bath smelting or converting
- C22B15/0032—Bath smelting or converting in shaft furnaces, e.g. blast furnaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a system and a method for producing an electrician copper wire blank by using red impure copper, which relate to the technical field of producing copper wire blanks by using the red impure copper, and comprise a conveying system for conveying the red impure copper into a shaft furnace; a shaft furnace for melting the copper scraps into liquid and removing slag for the first time to obtain a copper melt; the refining furnace is used for fusing the copper melt with a refining agent for refining, deslagging for the second time, and keeping the copper melt at a high temperature; a first launder for conveying the copper melt in the shaft furnace to the refining furnace; the continuous casting and rolling equipment is used for casting and rolling the copper melt into copper wire blanks; the second launder is used for conveying the high-temperature copper melt in the refining furnace into the continuous casting and rolling equipment; the equipment system and the method for producing the copper wire blank for electrician by using the red impure copper solve the problem that the impurity of the existing copper wire blank for electrician by using the red impure copper is difficult to control, so that the whole system can reduce the energy consumption and the emission of polluting gas, and the copper wire blank for electrician by using the red impure copper is produced at low cost.
Description
Technical Field
The invention relates to the technical field of producing copper wire blanks by using red impure copper, in particular to a system and a method for producing copper wire blanks for electricians by using the red impure copper.
Background
The method for regenerating the scrap copper at home and abroad is quite different in the adopted regeneration process technology and equipment according to different copper-containing scrap types. At present, the general use of copper scrap is mainly divided into two main types, wherein the first type is to smelt copper scrap into an anode plate firstly and then to electrolyze and refine the anode plate into cathode copper, which is called an indirect utilization method. The second type is to directly smelt high-grade scrap copper into copper alloy or conductive copper rods by using special processes and equipment, which is called a direct utilization method, so that the adopted regeneration process technology and equipment are different according to the types of copper-containing scrap.
However, the existing technology and equipment for producing the copper wire blank for electrician by using the red copper have the problem of difficult impurity control, and meanwhile, the whole system has the defects of high energy consumption, high pollution gas emission and high overall production cost in the production process.
Disclosure of Invention
In order to solve the problem of producing the conductive copper rod by using the red copper, the invention provides a novel production equipment system and a novel process method so as to achieve the purposes of reducing the production difficulty and realizing continuous production.
In order to achieve the above purpose, the technical scheme and equipment of the invention are as follows: an equipment system for producing conductive copper rods from copper scrap comprising:
a conveying system for conveying the copper scrap into the shaft furnace;
a shaft furnace for melting the copper scraps into liquid and removing slag for the first time to obtain a copper melt;
the refining furnace is used for fusing the copper melt with a refining agent for refining, deslagging for the second time, and keeping the copper melt at a high temperature;
one end of the first launder is connected with the output port of the shaft furnace, and the other end of the first launder is connected with the input port of the refining furnace to convey copper melt in the shaft furnace into the refining furnace;
the continuous casting and rolling equipment is used for casting and rolling the copper melt into copper wire blanks;
and the second launder is used for conveying the high-temperature copper melt in the refining furnace into the continuous casting and rolling equipment.
Preferably, the shaft furnace is a vertical furnace with a special circular structure, the shaft furnace comprises an upper part and a lower part, the diameter of the upper part is smaller than that of the lower part, the upper part is provided with a charging hole, and the outer wall of the lower part is provided with a plurality of rows of fuel gas energy-saving burners penetrating into the furnace body of the shaft furnace; a buffer plate is arranged between the upper part and the lower part.
Preferably, a fire-resistant layer is arranged on the inner wall of the shaft furnace, and a heat-insulating layer is also arranged between the inner wall of the shaft furnace and the fire-resistant layer.
Preferably, the two refining furnaces alternately receive the copper melt flowing out of the shaft furnace, refine the copper melt and convey the high-temperature copper melt into the continuous casting and rolling equipment.
Preferably, a control device for controlling the liquid level of the copper melt is also arranged in the shaft furnace.
Preferably, an electromagnetic purifying device is arranged in the continuous casting and rolling equipment.
Preferably, the continuous casting and rolling apparatus includes a continuous casting machine that casts a copper melt into a copper billet, and a hot continuous rolling machine for rolling the copper billet into a copper wire billet.
A systematic method for producing an electrical copper wire blank by using red impure copper comprises the following steps of;
step one: conveying the copper scrap into the shaft furnace using the conveying system;
step two: the shaft furnace melts the copper scraps into liquid and removes slag for the first time to obtain copper melt, and the copper melt is conveyed into the refining furnace through the first flow groove;
step three: adding a refining agent into the refining furnace, fusing the refining agent with the copper melt to perform oxidation-reduction reaction and refining, deslagging for the second time, keeping the temperature in the refining furnace, and conveying the high-temperature copper melt into the continuous casting and rolling equipment through the second launder;
step four: the continuous casting and rolling equipment casts the copper melt into copper billets, and then rolls the copper billets into copper wire billets.
Preferably, the temperature in the refining furnace is maintained between 1180 and 1200 ℃.
Preferably, the start rolling temperature of the continuous casting and rolling equipment is more than 900 ℃, and the finish rolling temperature is controlled at 850 ℃.
Through the technical scheme, the invention has the following beneficial effects:
(1) Smelting the copper melt by adopting a shaft furnace to remove non-metal inclusion oxides, then enabling the copper melt to flow into a refining furnace through a first flow groove, carrying out oxidation-reduction reaction on the copper melt in the refining furnace, removing metal inclusions of the copper melt by using a refining agent, enabling the refined high-temperature copper melt to enter a continuous casting machine and hot continuous rolling, and ensuring that chemical components are uniform: the continuous casting and hot continuous rolling process is adopted to realize the production of the conductive copper rod by using the device and the process of the red copper shaft furnace, the refining furnace and the continuous casting and continuous rolling.
(2) The equipment and the process method for producing the copper wire blank for electrician by using the red impure copper solve the problem that the impurity of the existing copper wire blank for electrician by using the red impure copper is difficult to control, so that the whole system reduces the energy consumption and the emission of polluting gas, and the purpose of producing the copper wire blank for the red impure copper electrician with low cost is realized.
(3) The two refining furnaces alternately receive the copper melt flowing out of the shaft furnace, refine and convey the high-temperature copper melt into continuous casting and rolling equipment, so that the whole production process is continuous, the production efficiency is high, and the product quality is uniform and stable; the equipment has high productivity and further saves energy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a process and equipment system for producing a conductive copper rod from copper scrap according to an embodiment of the present invention.
In the figure: 1. a conveying system; 2. a shaft furnace; 3. a refining furnace; 4. a first launder; 5. a second launder; 6. a continuous casting machine; 7. a hot continuous rolling mill; 8. an electromagnetic purifying device.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, an equipment system for producing conductive copper bars from copper scrap, comprising:
the conveying system 1 is used for conveying the copper into the shaft furnace 2, and a belt conveyor can be used, wherein the copper content of the copper is more than 97.5%, and the copper content can be controlled to be 97.5-98.5%.
A shaft furnace 2 for melting the copper scrap into liquid and removing slag for the first time to obtain copper melt, wherein nonmetallic oxides and nonmetallic materials in the copper scrap can be removed; the shaft furnace 2 can be an energy-saving smelting shaft furnace, the shaft furnace 2 can be a vertical furnace with a special circular structure, the shaft furnace 2 comprises an upper part, a lower part and a buffer plate, the buffer plate is arranged between the upper part and the lower part, so that the impact of raw materials on the furnace bottom of the shaft furnace 2 can be reduced, the furnace bottom of the shaft furnace 2 is protected, and the service life of the furnace bottom is prolonged; the upper part of the shaft furnace 2 can be of a belly-drawing structure, the lower part can be of a back taper furnace body, and enough combustion space can be reserved so as to prevent raw materials or slag from blocking a burner;
the diameter of the upper part can be smaller than that of the lower part, and the upper part is provided with a charging hole;
the outer wall of the lower part is provided with a plurality of rows of gas energy-saving burners penetrating into the furnace body of the shaft furnace 2; the burner can be arranged in the hearth at a certain angle, so that the thermal efficiency of the burner can be improved; the combustion gas flowing out of the burner is subjected to thermodynamic reaction through furnace burden to remove nonmetallic oxides or nonmetallic substances in the red copper for the first time, and is discharged through a dust collection system.
The inner wall of the shaft furnace 2 is provided with a fire-resistant layer which can be made of magnesia bricks; the heat insulation layer is arranged between the inner wall of the shaft furnace 2 and the refractory layer, so that the inner wall of the shaft furnace 2 can be prevented from being damaged by high temperature, meanwhile, the leakage of the temperature in the furnace can be avoided, and the utilization of energy sources is enhanced.
The shaft furnace 2 is also internally provided with a control device for controlling the liquid level of the copper melt, which can be used for monitoring the liquid level of the copper melt in the furnace in real time, and controlling the quantity of the copper material to be added and adjusting the air-fuel ratio by utilizing the feedback of the liquid level, so that the liquid level is maintained within the range of 1 meter below the charging hole.
The molten pool belt at the bottom of the shaft furnace 2 can be provided with two slag raking holes and a subsurface flow baffle plate, so that the flow of slag into a chute can be reduced to the greatest extent.
A refining furnace 3 for carrying out oxidation-reduction reaction and refining on the copper melt and the refining agent in a fusion way, deslagging for the second time, and keeping the copper melt at a high temperature; the refining furnace 3 can adopt a rotary tilting refining furnace, and the oxidation-reduction and refining process of the copper melt in the rotary furnace can be completed; the refining agent can be rare earth calcium intermediate alloy, namely Ca-Re-CaF 2 。
The number of the two refining furnaces 3 can be two, and the two refining furnaces 3 alternately receive the copper melt flowing out of the shaft furnace 2, refine and convey the high-temperature copper melt into continuous casting and rolling equipment, so that the refining efficiency of the copper melt can be improved.
A first flow channel 4, one end of which is connected with the output port of the shaft furnace 2, and the other end of which is connected with the input port of the refining furnace 3, and is used for conveying the copper melt in the shaft furnace 2 into the refining furnace 3;
the continuous casting and rolling equipment is used for casting and rolling the copper melt into copper wire blanks; the continuous casting and rolling equipment comprises a continuous casting machine 6 and a hot continuous rolling machine 7, wherein the rolling pass of the hot continuous rolling machine 7 can be 11 passes, and the hole pattern system can be an oval-round system;
the continuous casting machine 6 casts the copper melt into a copper billet, and the copper billet can be a square copper billet;
the hot continuous rolling mill 7 is used for rolling copper billets into copper wire billets, and the copper wire billets for electrician with any length can be produced by rolling through the hot continuous rolling mill 7; the size of the copper wire blank can be 8-16mm; the initial rolling temperature of the hot continuous rolling mill 7 can be more than 900 ℃, and the final rolling temperature can be controlled at 850 ℃;
the continuous casting and rolling equipment further comprises an electromagnetic purifying device 8 which can be arranged between the second flow groove 5 and the continuous casting machine 6 and can further remove impurities in the copper melt.
The second launder 5 is used for conveying the high-temperature copper melt in the refining furnace 3 into the continuous casting and rolling equipment 5, and the second launder 5 can be a heat-preserving launder, can preserve heat in the conveying process of the high-temperature copper melt, and avoids the too fast temperature drop of the high-temperature copper melt, thereby influencing the casting and rolling molding in the later stage.
A systematic method for producing an electrical copper wire blank by using red impure copper comprises the following steps of;
step one: conveying the copper scrap into a shaft furnace 2 by using a conveying system 1;
step two: the shaft furnace 2 melts the copper scraps into liquid and removes slag for the first time to obtain copper melt, and the copper melt is conveyed into the refining furnace 3 through the first flow groove 4;
step three: adding a refining agent into the refining furnace 3, fusing with the copper melt, performing oxidation-reduction reaction and refining, deslagging for the second time, keeping the temperature in the refining furnace 3 at a high temperature, and keeping the temperature in the refining furnace 3 at 1180-1200 ℃; conveying the high-temperature copper melt into continuous casting and rolling equipment through a second launder 5;
step four: the continuous casting and rolling equipment casts the copper melt into copper billets, and then rolls the copper billets into copper wire billets.
The specific working procedure is as follows: conveying the copper scrap into a shaft furnace 2 by using a conveying system 1; the shaft furnace 2 melts the red copper and primarily removes impurities to obtain copper melt, the melted copper melt flows through a discharging hole, flows through the furnace bottom, enters a first launder 4 to a refining furnace 3 for refining, rare earth calcium intermediate alloy is added in the refining furnace 3 as a refining agent, the copper melt and the refining agent undergo oxidation-reduction reaction for refining, the temperature of the refining furnace 3 is maintained at 1180-1200 ℃, after the temperature is kept for a certain period of time, the high-temperature copper melt flows out of the refining furnace 3 to flow to an electromagnetic purification device 8 through a second launder 5, impurities in the copper melt are further removed, and then flows to a continuous casting machine 6 for casting copper blanks, and the copper blanks flow to a hot continuous rolling mill 7 for rolling copper wire blanks.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A system for producing electrical copper wire blanks from copper scrap, comprising:
a conveying system (1) for conveying copper scrap into the shaft furnace (2);
a shaft furnace (2) for melting the copper scrap into liquid and removing slag for the first time to obtain a copper melt;
a refining furnace (3) for refining the copper melt by fusing with a refining agent, removing slag for the second time, and keeping the copper melt at a high temperature;
a first launder (4), one end of which is connected with the output port of the shaft furnace (2) and the other end of which is connected with the input port of the refining furnace (3), and is used for conveying the copper melt in the shaft furnace (2) into the refining furnace (3);
the continuous casting and rolling equipment is used for casting and rolling the copper melt into copper wire blanks;
and the second flow groove (5) is used for conveying the high-temperature copper melt in the refining furnace (3) into the continuous casting and rolling equipment.
2. The system for producing electrical copper wire billets from copper scrap according to claim 1, characterized in that the shaft furnace (2) is a shaft furnace of special circular structure, the shaft furnace (2) comprises an upper part and a lower part, the diameter of the upper part is smaller than that of the lower part, the upper part is provided with a charging port, and the outer wall of the lower part is provided with a plurality of rows of gas energy-saving burners penetrating into the furnace body of the shaft furnace (2); a buffer plate is arranged between the upper part and the lower part.
3. The system for producing an electrical copper wire blank from copper scraps according to claim 1, wherein a refractory layer is arranged on the inner wall of the shaft furnace (2), and a heat insulation layer is further arranged between the inner wall of the shaft furnace (2) and the refractory layer.
4. A system for producing electrical copper wire billets from copper scrap according to claim 1, characterized in that there are two refining furnaces (3), two refining furnaces (3) receiving alternately the copper melt flowing out of the shaft furnace (2), refining and delivering the high temperature copper melt into the continuous casting and rolling plant.
5. A system for producing electrical copper wire billets from copper scrap according to claim 1, characterized in that the shaft furnace (2) is also provided with a control device for controlling the level of the copper melt.
6. A system for producing electrical copper wire billets from red impure copper according to claim 2, characterized in that an electromagnetic purifying device (8) is arranged in the continuous casting and rolling equipment.
7. A system for producing electrical copper wire blanks from copper scrap according to claim 1, characterized in that the continuous casting and rolling plant comprises a continuous casting machine (6) and a hot continuous rolling machine (7), the continuous casting machine (6) casting the copper melt into copper blanks, the hot continuous rolling machine (7) being used for rolling the copper blanks into copper wire blanks.
8. A systematic method for producing electrical copper wire blanks from red scrap copper according to any one of claims 1-7, comprising the steps of;
step one: -conveying copper scrap into the shaft furnace (2) using the conveying system (1);
step two: the shaft furnace (2) melts the copper scraps into liquid and removes slag for the first time to obtain a copper melt, and the copper melt is conveyed into the refining furnace (3) through the first launder (4);
step three: adding a refining agent into the refining furnace (3) and fusing with the copper melt to perform oxidation-reduction reaction and refining, deslagging for the second time, keeping the temperature in the refining furnace (3), and conveying the high-temperature copper melt into the continuous casting and rolling equipment through the second launder (5);
step four: the continuous casting and rolling equipment casts the copper melt into copper billets, and then rolls the copper billets into copper wire billets.
9. A system for producing electrical copper wire blanks from copper scrap according to claim 8, characterized in that the temperature in the refining furnace (3) is maintained between 1180 and 1200 ℃.
10. The method for producing an electrical copper wire blank from copper scrap according to claim 8, wherein the continuous casting and rolling apparatus has a start rolling temperature of greater than 900 degrees and a finish rolling temperature of 850 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310984621.7A CN117004827A (en) | 2023-08-07 | 2023-08-07 | System and method for producing copper wire blank for electrician by using red impure copper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310984621.7A CN117004827A (en) | 2023-08-07 | 2023-08-07 | System and method for producing copper wire blank for electrician by using red impure copper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117004827A true CN117004827A (en) | 2023-11-07 |
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ID=88563206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310984621.7A Pending CN117004827A (en) | 2023-08-07 | 2023-08-07 | System and method for producing copper wire blank for electrician by using red impure copper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117004827A (en) |
-
2023
- 2023-08-07 CN CN202310984621.7A patent/CN117004827A/en active Pending
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