CN104646420B - A kind of continuous casting and rolling produces the method for copper bar - Google Patents
A kind of continuous casting and rolling produces the method for copper bar Download PDFInfo
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- CN104646420B CN104646420B CN201410624201.9A CN201410624201A CN104646420B CN 104646420 B CN104646420 B CN 104646420B CN 201410624201 A CN201410624201 A CN 201410624201A CN 104646420 B CN104646420 B CN 104646420B
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- sedimentation tank
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- copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0239—Lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
- B21B45/0278—Cleaning devices removing liquids
- B21B45/0281—Cleaning devices removing liquids removing coolants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
- B21B45/0278—Cleaning devices removing liquids
- B21B45/0284—Cleaning devices removing liquids removing lubricants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a kind of continuous casting and rolling and produce the method that copper bar reduces cost, the inventive method is transformed on prior art basis, it is additionally arranged water circulating heat-exchanging device and emulsion blood circulation, the Appropriate application energy, energy-conserving and environment-protective, effectively reduce production cost, and improve the quality of product to a certain extent. The present invention relates to the manufacture field of metallic copper.
Description
Technical field
The present invention relates to the manufacture field of metallic copper, particularly relate to a kind of method that continuous casting and rolling produces copper bar.
Background technology
Along with the continuous maturation in market, the prescription of copper bar product is gradually increased by current client, and due to the increase of Tong Gan manufacturer quantity, the competition in market is also more and more fierce, along with the rising of various costs makes manufacturer's profit more and more thinner. Therefore, while ensureing copper bar product quality, rationally reduce the production cost of copper bar product, be an effective way that can effectively solve the problem that the problems referred to above.
Application number 201110146789.8, Shen Qing Publication day in December, 2012 Chinese patent of 5 days disclose a kind of waste and old recycled copper produce copper pipe process, its technological process is: waste and old recycled copper or waste and old recycled copper and a certain proportion of cathode copper are through high temperature melting furnace melting refinement, holding furnace insulation is entered through undercurrent passage, after cooling down then through crystallizer crystallization, by traction machine level or be pulled up casting out red copper pipe continuously, follow-up pipe is advanced to three-roller planetary rolling mill continuous rolling behind milling face and goes out semifinished tube, is stretched to production tube finally according to required. This invention achieves to use waste and old recycled copper completely or add waste and old recycled copper in cathode copper fusion process in a large number and produces copper pipe, copper scrap is recycled, reduces cost. The weak point of this invention is: although waste and old copper recycling is significantly reduced cost, but owing to waste and old copper purity is not high, have impact on the quality of product to a certain extent, it is difficult to meet some high-end markets demand.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of method that continuous casting and rolling produces copper bar, the inventive method is transformed on prior art basis, energy-conserving and environment-protective, effectively reduces production cost, and improves the quality of product to a certain extent.
The concrete technical scheme of the present invention is: a kind of continuous casting and rolling produces the method for copper bar, transforms, operation following in prior art is transformed on prior art basis:
A. melting: become copper liquid after electrolytic copper material is smelting, described copper liquid enters tundish through downtand and prepares casting, compression air enters downtand by the oxygen increasing tube being located on described downtand, described oxygen increasing tube is set up a water circulating heat-exchanging device compression gas in oxygen increasing tube is preheated intensification before entering downtand, described water circulating heat-exchanging device mainly includes temperature control system and heat exchange tube, described heat exchange tube is placed on oxygen increasing tube outer surface, and heat exchange tube is provided with introducing port, export mouth and inner chamber.
B. casting: copper liquid is cast in after on conticaster and casts, cool down with cooling water, described cooling water enters the inner chamber of described water circulating heat-exchanging device after intensification by conduit from described introducing port, flow out from described export mouth after carrying out heat exchange cooling with described compression air, it is again introduced into described conticaster, so circulates.The setting of water circulating heat-exchanging device, heat after make use of cooling water to heat up, compression gas is heated, prevent compression gas from causing copper liquid temperature to be greatly reduced because temperature is too low after downtand and the generation of cold copper situation is tied in local entering, not only significantly reduce cost, also improve the quality of finished product simultaneously.
C. rolling: copper liquid obtains strand after being cast, described strand rolls behind milling limit on milling train, need to spray to improve product surface quality to strand with emulsion when rolling simultaneously, the operation of rolling is set up an emulsion blood circulation, described emulsion blood circulation includes emulsion box, high pressure dephosphorization pump, milling train, emulsified liquid collection device, emulsion cyclone separator, heat exchanging pipe and settling system, emulsion flows through high pressure dephosphorization pump from described emulsion box successively by conduit, milling train, emulsified liquid collection device, emulsion cyclone separator, heat exchanging pipe and settling system, eventually pass back to emulsion box. the setting of described emulsion blood circulation, emulsion in the operation of rolling can being recycled, reduce cost, substantial amounts of copper powder in emulsion is separated by emulsion cyclone separator, prevent copper powder in the operation of rolling from being rolled to casting billet surface, it is possible to substantially reduce the copper powder content of product surface. emulsion absorbs substantial amounts of heat in milling train, and after entering described heat exchanging pipe, after heat exchange, temperature reduces, and eventually passes back to emulsion box, has rationally recycled heat, effectively reduced cost.
D. dry up: strand obtains semi-finished product copper bar after rolling, described semi-finished product copper bar is dried up after cleaning, through waxing after, it is packaged to be finished product, using compression air that semi-finished product copper bar is dried up in process described drying up, the heat exchanging pipe that described compression air flows through in described emulsion blood circulation before drying up carries out heat exchange with emulsion. Utilizing heat unnecessary in emulsion to compression air heating, semi-finished product copper bar is dried up by compression air after heated, in hgher efficiency, and it is cooled down without arranging chiller more specially by emulsion, has saved the energy.
As preferably, settling system in described emulsion blood circulation includes the first sedimentation tank and the second sedimentation tank, first sedimentation tank and the second sedimentation tank are each provided with inlet and liquid outlet, described inlet with liquid outlet respectively with input duct, drain pipe road connects, the other end of described input duct is connected with described heat exchanging pipe, the other end in described drain pipe road is connected with described emulsion box, input duct makes the first sedimentation tank and the second sedimentation tank be formed mutually in parallel with drain pipe road, first sedimentation tank and the respective inlet of the second sedimentation tank, liquid outlet place is equipped with valve, valve it is provided with between heat exchanging pipe and input duct. the setting of settling system, it is possible to remove the impurity in emulsion further, it is ensured that emulsion keeps clean before subsequent cycle, the design that sedimentation tank is parallel, compares traditional tandem, it is possible to each sedimentation tank can individually be operated, if a certain sedimentation tank breaks down or needs to clear up, individually it can be closed and not affect other sedimentation tank, improve efficiency, indirectly reduce production cost.
As preferably, the inside of described first sedimentation tank and the second sedimentation tank is equipped with the dividing plate of at least one setting, first sedimentation tank and the second sedimentation tank are each separated into several independent mud chambers by described dividing plate, the top of each dividing plate is equipped with the spout hole of connection dividing plate both sides mud chamber, described inlet is arranged in side wall upper part or the top of the mud chamber of the first sedimentation tank and the most avris of the second sedimentation tank, described liquid outlet is arranged in the first sedimentation tank and the second sedimentation tank and the inlet place mud chamber side wall upper part apart from farthest mud chamber or top, the bottom of each mud chamber of the first sedimentation tank and the second sedimentation tank is equipped with sewage draining exit.The design of sedimentation tank internal partition, is divided into a sedimentation tank mud chamber of multiple series connection, further increases the clean-up effect of each sedimentation tank, reduces the content of impurity in emulsion, indirectly improves the surface quality of product. When in sedimentation tank, impurities accumulation is more, the design of sewage draining exit can clear up impurity easily.
As preferably, the quantity more than two of sedimentation tank in parallel mutually in described settling system. The quantity of sedimentation tank can be set according to the actual requirements when the flow of emulsion is bigger more.
As preferably, in described fusion process, described copper liquid enters holding furnace from shaft furnace through upper reaches concentrated flow before casting, described tundish is flowed into then through described downtand, the semi-circular flow tube of carborundum it is provided with between chute and holding furnace on described, have metal supporting plate in the semi-circular flow tube lower support of described carborundum, the cross section of described metal supporting plate is curved and nock upward. There is no supporting construction below the semi-circular flow tube of prior art carborundum, generally use about a week will the brittle failure because of high temperature, because setting that temperature is high extends the service life of the semi-circular flow tube of carborundum, a week extend to about one month. The time generally changing a semi-circular flow tube of carborundum is about 6 hours, if the semi-circular flow tube of carborundum ruptures in producing continuously, production line interrupts immediately. Therefore the setting of metal supporting plate ensure that the seriality of production, reduces cost, improves benefit.
As preferably, in described matting, cleaning line being divided into cleaning section and cooling section, described cleaning section uses cleanout fluid to be carried out, and described cooling section uses clear water to cool down. Cleaning section purpose is in that to reduce line bar surface oxide layer thickness, and under the premise meeting product surface oxidated layer thickness, cooling section then cools down with tap water. Use cleanout fluid unified with prior art is carried out and compared with cooling, and what decrease cleanout fluid makes consumption, reduces cost.
As preferably, for to the product surface quality cable client without particular/special requirement, copper bar is adopted nude enamelled packaging method by described packaging process, steel band, wood composite pallet and packing film are cast out, described nude enamelled packaging method is that the copper bar heap that every a pile is wound is selected 4 short copper bars to tie up to prevent the Bales Off when transport, described 4 short copper bars are evenly distributed in described copper bar heap surrounding, and 4 short copper bars are tied up upper back and pricked to have and be available for the convenient handling of suspension ring that overhead traveling crane is sling. In the operation of prior art, use steel band is packed, coating product has packing film, wooden rack it is lined with bottom product, the cost price of steel band is 8000 yuan/ton, and copper bar surface can be scratched by steel band, affects product surface quality, every copper bar (4.3 tons) need to use a wooden rack, and each wooden rack cost is 150 yuan. Adopt nude enamelled packaging method, do not use steel band, wood composite pallet and packing film, significantly reduce cost, shorten the packaging time, and owing to copper bar quality is soft, ties up with short copper bar and not easily make copper bar product scratch.
The invention has the beneficial effects as follows: prior art is transformed by the inventive method that Appropriate application resource has been greatly reduced production cost, improves the quality of copper bar product simultaneously to a certain extent.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of water circulating heat-exchanging device in the present invention;
Fig. 2 is the schematic diagram of emulsion blood circulation in the present invention;
Fig. 3 is the schematic diagram of the settling system of emulsion blood circulation in the present invention;
Fig. 4 is the structural representation of metal supporting plate in the present invention;
Fig. 5 is the schematic diagram of the nude enamelled packing of copper bar in the present invention.
Accompanying drawing is labeled as: input duct the 1, first sedimentation tank the 2, second sedimentation tank 3, drain pipe road 4, inlet 5, liquid outlet 6, sewage draining exit 7, dividing plate 8, spout hole 9, water circulating heat-exchanging device 100, temperature control system 101, heat exchange tube 102, introducing port 103, export mouth 104, inner chamber 105, metal supporting plate 200, the semi-circular flow tube of carborundum 201, copper bar heap 300, short copper bar 301.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
A kind of continuous casting and rolling produces the method for copper bar, transforms, operation following in prior art is transformed on prior art basis:
A. melting: become copper liquid after electrolytic copper material is smelting, described copper liquid enters holding furnace from shaft furnace through upper reaches concentrated flow, flow into tundish then through downtand and prepare casting, the semi-circular flow tube of carborundum it is provided with between chute and holding furnace on described, as shown in Figure 4, have metal supporting plate 200 in described carborundum semi-circular flow tube 201 lower support, the cross section of described metal supporting plate is curved and nock upward. Fusion process compresses air and enters downtand by the oxygen increasing tube being located on described downtand, as shown in Figure 1, described oxygen increasing tube is set up a water circulating heat-exchanging device 100 the compression gas in oxygen increasing tube is preheated intensification before entering downtand, described water circulating heat-exchanging device mainly includes temperature control system 101 and heat exchange tube 102, described heat exchange tube is placed on oxygen increasing tube outer surface, and heat exchange tube is provided with introducing port 103, export mouth 104 and inner chamber 105.
B. casting: copper liquid is cast in after on conticaster and casts, cool down with cooling water, described cooling water enters the inner chamber of described water circulating heat-exchanging device after intensification by conduit from described introducing port, flow out from described export mouth after carrying out heat exchange cooling with described compression air, it is again introduced into described conticaster, so circulates.
C. rolling: copper liquid obtains strand after being cast, described strand rolls behind milling limit on milling train, need to spray to improve product surface quality to strand with emulsion when rolling simultaneously, the operation of rolling is set up an emulsion blood circulation, as shown in Figure 2, described emulsion blood circulation includes emulsion box, high pressure dephosphorization pump, milling train, emulsified liquid collection device, emulsion cyclone separator, heat exchanging pipe and settling system, emulsion flows through high pressure dephosphorization pump from described emulsion box successively by conduit, milling train, emulsified liquid collection device, emulsion cyclone separator, heat exchanging pipe and settling system, eventually pass back to emulsion box. wherein emulsified liquid collection device is for collecting the emulsion in milling train, and substantial amounts of copper powder in emulsion is separated by emulsion cyclone separator, it is prevented that in the operation of rolling, copper powder is rolled to casting billet surface, can reduce the copper powder content of product surface.
Described settling system is for impurity in precipitation emulsion further, as shown in Figure 3, it includes the first sedimentation tank 2 and the second sedimentation tank 3, first sedimentation tank and the second sedimentation tank are each provided with inlet 5 and liquid outlet 6, described inlet with liquid outlet respectively with input duct 1, drain pipe road 4 connects, the other end of described input duct is connected with described heat exchanging pipe, the other end in described drain pipe road is connected with described emulsion box, input duct makes the first sedimentation tank and the second sedimentation tank be formed mutually in parallel with drain pipe road, first sedimentation tank and the respective inlet of the second sedimentation tank, liquid outlet place is equipped with valve, valve it is provided with between heat exchanging pipe and input duct.In addition, the inside of the first sedimentation tank and the second sedimentation tank is equipped with a dividing plate 8 erect, first sedimentation tank and the second sedimentation tank are each separated into two independent mud chambers by described dividing plate, the top of each dividing plate is equipped with the spout hole 9 of connection dividing plate both sides mud chamber, described inlet is arranged in the side wall upper part of a mud chamber of the first sedimentation tank and the second sedimentation tank, the bottom of each mud chamber that described liquid outlet is positioned at the top of the mud chamber adjacent with inlet place mud chamber, the first sedimentation tank and the second sedimentation tank is equipped with sewage draining exit 7.
D. dry up: strand obtains semi-finished product copper bar after rolling, to described semi-finished product copper bar
Being carried out, cleaning line is divided into cleaning section and cooling section in described matting, described cleaning section uses cleanout fluid to be carried out, and described cooling section uses clear water to cool down. Cleaning section purpose is in that to reduce line bar surface oxide layer thickness, and under the premise meeting product surface oxidated layer thickness, cooling section then cools down with tap water. Using compression air that product is dried up after cleaning, the heat exchanging pipe that described compression air flows through in described emulsion blood circulation before drying up carries out heat exchange intensification with emulsion. Wax after drying up, last packaging process is entered after waxing, for to the product surface quality cable client without particular/special requirement, copper bar is adopted nude enamelled packaging method by described packaging process: as shown in Figure 5, copper bar heap 300 4 short copper bars 301 of selection that every a pile is wound are tied up and are prevented the Bales Off when transport, described 4 short copper bars are evenly distributed in described copper bar heap surrounding, and 4 short copper bars are tied up upper back and pricked to have and be available for the convenient handling of suspension ring that overhead traveling crane is sling. Packaging postscript obtains finished product.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (7)
1. the method that continuous casting and rolling produces copper bar, transforms, it is characterised in that operation following in prior art is transformed on prior art basis:
A. melting: become copper liquid after electrolytic copper material is smelting, described copper liquid enters tundish through downtand and prepares casting, compression air enters downtand by the oxygen increasing tube being located on described downtand, described oxygen increasing tube is set up a water circulating heat-exchanging device (100) the compression gas in oxygen increasing tube is preheated intensification before entering downtand, described water circulating heat-exchanging device mainly includes temperature control system (101) and heat exchange tube (102), described heat exchange tube is placed on oxygen increasing tube outer surface, heat exchange tube is provided with introducing port (103), export mouth (104) and inner chamber (105),
B. casting: copper liquid is cast in after on conticaster and casts, cool down with cooling water, described cooling water enters the inner chamber of described water circulating heat-exchanging device after intensification by conduit from described introducing port, flow out from described export mouth after carrying out heat exchange cooling with described compression air, it is again introduced into described conticaster, so circulates;
C. rolling: copper liquid obtains strand after being cast, described strand rolls behind milling limit on milling train, need to spray to improve product surface quality to strand with emulsion when rolling simultaneously, the operation of rolling is set up an emulsion blood circulation, described emulsion blood circulation includes emulsion box, high pressure dephosphorization pump, milling train, emulsified liquid collection device, emulsion cyclone separator, heat exchanging pipe and settling system, emulsion flows through high pressure dephosphorization pump from described emulsion box successively by conduit, milling train, emulsified liquid collection device, emulsion cyclone separator, heat exchanging pipe and settling system, eventually pass back to emulsion box,
D. dry up: strand obtains semi-finished product copper bar after rolling, described semi-finished product copper bar is dried up after cleaning, through waxing after, it is packaged to be finished product, using compression air that semi-finished product copper bar is dried up in process described drying up, the heat exchanging pipe that described compression air flows through in described emulsion blood circulation before drying up carries out heat exchange with emulsion.
2. the method that continuous casting and rolling as claimed in claim 1 produces copper bar, it is characterized in that, settling system in described emulsion blood circulation includes the first sedimentation tank (2) and the second sedimentation tank (3), first sedimentation tank and the second sedimentation tank are each provided with inlet (5) and liquid outlet (6), described inlet and liquid outlet respectively with input duct (1), drain pipe road (4) connects, the other end of described input duct is connected with described heat exchanging pipe, the other end in described drain pipe road is connected with described emulsion box, input duct makes the first sedimentation tank and the second sedimentation tank be formed mutually in parallel with drain pipe road, first sedimentation tank and the respective inlet of the second sedimentation tank, liquid outlet place is equipped with valve, valve it is provided with between heat exchanging pipe and input duct.
3. the method that continuous casting and rolling as claimed in claim 2 produces copper bar, it is characterized in that, the inside of described first sedimentation tank and the second sedimentation tank is equipped with the dividing plate (8) of at least one setting, first sedimentation tank and the second sedimentation tank are each separated into several independent mud chambers by described dividing plate, the top of each dividing plate is equipped with the spout hole (9) of connection dividing plate both sides mud chamber, described inlet is arranged in side wall upper part or the top of the mud chamber of the first sedimentation tank and the most avris of the second sedimentation tank, described liquid outlet is arranged in the first sedimentation tank and the second sedimentation tank and the inlet place mud chamber side wall upper part apart from farthest mud chamber or top, the bottom of each mud chamber of the first sedimentation tank and the second sedimentation tank is equipped with sewage draining exit (7).
4. the method that continuous casting and rolling produces copper bar as claimed in claim 2 or claim 3, it is characterised in that the quantity more than two of sedimentation tank in parallel mutually in described settling system.
5. the method that the continuous casting and rolling as described in one of claim 1-3 produces copper bar, it is characterized in that, in described fusion process, described copper liquid enters holding furnace from shaft furnace through upper reaches concentrated flow before casting, described tundish is flowed into then through described downtand, on described, be provided with the semi-circular flow tube of carborundum (201) between chute and holding furnace, have metal supporting plate (200) in the semi-circular flow tube lower support of described carborundum, the cross section of described metal supporting plate is curved and nock upward.
6. the method that the continuous casting and rolling as described in one of claim 1-3 produces copper bar, it is characterized in that, in described matting, cleaning line is divided into cleaning section and cooling section, described cleaning section uses cleanout fluid to be carried out, and described cooling section uses clear water to cool down.
7. the method that the continuous casting and rolling as described in one of claim 1-3 produces copper bar, it is characterized in that, copper bar is adopted nude enamelled packaging method by described packaging process, steel band, wood composite pallet and packing film are cast out, described nude enamelled packaging method is that copper bar heap (300) that every a pile is wound selects 4 short copper bars (301) to tie up, described 4 short copper bars are evenly distributed in described copper bar heap surrounding, and 4 short copper bars are tied up upper back and pricked to have and be available for the suspension ring that overhead traveling crane is sling.
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| CN201410624201.9A CN104646420B (en) | 2014-11-07 | 2014-11-07 | A kind of continuous casting and rolling produces the method for copper bar |
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| CN201410624201.9A CN104646420B (en) | 2014-11-07 | 2014-11-07 | A kind of continuous casting and rolling produces the method for copper bar |
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| CN104646420B true CN104646420B (en) | 2016-06-08 |
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| CN105081699A (en) * | 2015-09-08 | 2015-11-25 | 安徽天大铜业有限公司 | Production method of low-oxygen copper rod with diameter of 8 mm |
| CN105945069B (en) * | 2016-07-08 | 2018-01-23 | 宝钢股份黄石涂镀板有限公司 | A kind of cold mill complex emulsion system that moisturizing is carried out using steam condensate (SC) |
| CN107363095B (en) * | 2017-07-31 | 2018-12-18 | 尚成荣 | A method of utilizing regeneration Copper fabrication conductive copper bus-bar |
| CN108421836A (en) * | 2018-04-09 | 2018-08-21 | 新疆八钢铁股份有限公司 | shaped steel descaling device |
| CN108624763A (en) * | 2018-05-07 | 2018-10-09 | 安徽润藤电缆材料科技有限公司 | A kind of low-oxygen copper-rod continuous-casting continuous-rolling production technology |
| CN110170629A (en) * | 2019-07-05 | 2019-08-27 | 安徽楚江高新电材有限公司 | A method of reducing shaft furnace copper bar twist irregularity |
| CN111136107B (en) * | 2019-12-20 | 2021-11-19 | 杭州富通电线电缆有限公司 | Copper rod production process |
| CN113560513B (en) * | 2021-08-11 | 2022-10-11 | 福州丹文科技有限公司 | Automatic control system for copper rod continuous casting and rolling |
| CN113695408B (en) * | 2021-08-17 | 2023-06-30 | 全威（铜陵）铜业科技有限公司 | Descaling device for copper rod rolling mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000051911A (en) * | 1998-08-10 | 2000-02-22 | Sumitomo Metal Ind Ltd | Equipment continuing casting and rolling |
| CN101811149A (en) * | 2010-04-14 | 2010-08-25 | 新兴铸管股份有限公司 | Manufacturing method of high alloy seamless steel tube |
| CN102744257A (en) * | 2012-07-12 | 2012-10-24 | 湖南金龙国际铜业有限公司 | Device and process adopted for rod-making by continuous casting and continuous rolling of red impure copper |
| CN103707000A (en) * | 2013-08-28 | 2014-04-09 | 新兴铸管（浙江）铜业有限公司 | Copper rod machining line and copper rod machining process |
| CN103691963A (en) * | 2013-12-24 | 2014-04-02 | 江西理工大学 | Device and method for manufacturing electroplating anode copper ball |
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| CN104646420A (en) | 2015-05-27 |
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