CN217858010U - Novel copper strip hot rolling line - Google Patents
Novel copper strip hot rolling line Download PDFInfo
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- CN217858010U CN217858010U CN202222305798.3U CN202222305798U CN217858010U CN 217858010 U CN217858010 U CN 217858010U CN 202222305798 U CN202222305798 U CN 202222305798U CN 217858010 U CN217858010 U CN 217858010U
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- 239000010949 copper Substances 0.000 title claims abstract description 51
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 50
- 238000005098 hot rolling Methods 0.000 title claims abstract description 49
- 238000005096 rolling process Methods 0.000 claims abstract description 36
- 239000013067 intermediate product Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 239000000047 product Substances 0.000 claims abstract description 20
- 239000006104 solid solution Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000005097 cold rolling Methods 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 229910001369 Brass Inorganic materials 0.000 abstract description 5
- 239000010951 brass Substances 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 7
- 229910000881 Cu alloy Inorganic materials 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 241000208225 Rhus Species 0.000 description 1
- 235000014220 Rhus chinensis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a novel copper plate area hot rolling line, including roll table and the rolling mill roll system body of setting between the roll table, the roll table exit is provided with the finished product coiling machine, the rolling mill roll system body is four roll systems, and the roll table upside is provided with two intermediate products coiling machines, and two intermediate products coiling machine symmetries set up the both sides at the rolling mill roll system body, be provided with the coiled material heating furnace on the intermediate products coiling machine, the roll table upside is close to finished product coiling machine department and is provided with high temperature solid solution system, and the rolling mill roll system body adopts four roll systems rolling system to reduce its thickness to 3mm with the hot rolling of ordinary copper plate area of traditional two roll systems rolling system produced under the further attenuate's the condition, can guarantee rolling stability, the multiple control mode and the level of plate type quality to the hot rolling of ordinary copper plate area such as red copper or brass to reduce follow-up cold rolling processingquantity, shortened the production flow, reduced the cold rolling energy consumption, and then reduced the total energy consumption of strip production, be favorable to energy-concerving and environment-protectively.
Description
Technical Field
The utility model relates to a copper area processing technology field specifically is a novel copper area hot rolling line.
Background
Copper and copper alloy sheet and strip (hereinafter referred to as copper strip) are the main products of copper processing materials, and are widely applied to the fields of electronics, electricity, communication, instruments, war industry, aerospace, transportation and the like.
Hot rolling mills, which represent the main way of supplying copper strip, have been introduced from world first-class metallurgical facilities, such as glissel, italian minox, sumac, germany. In recent years, the copper plate and strip hot rolling mill has been made into a home-made product by introducing, digesting, absorbing and the like, but the technical principle and the configuration characteristics of the mill are referred to foreign products.
With the rapid development of social economy and science and technology, no matter the hot rolling mill introduced in the past or the hot rolling mill which is made to be domestic after digestion and absorption, due to the limitations of process design and equipment configuration, the rapid development in the technical field of copper plates and strips is difficult to meet. The above limitations are particularly reflected in the production requirements of common red copper or brass strips on energy conservation, consumption reduction and cost reduction.
At present, the limitations of the domestic existing copper plate strip hot rolling production line are as follows:
(1) The high-temperature waste heat (generally 400 to 700 ℃) after hot rolling cannot be effectively utilized, and the energy consumption is high.
(2) The hot rolling thickness of ordinary copper plates or brass and the like is generally 14 to 16mm, the thickness of subsequent cold rolling products is generally 0.1 to 2mm, the copper plates and strips produced by an ordinary copper plate and strip hot rolling line have large processing amount in a cold rolling process, the production flow is long, and the cold rolling energy consumption and the total energy consumption are increased.
(3) The hot rolling mode is single and can not meet different production requirements.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a novel copper strip hot rolling line is provided, adopt under the further attenuate's of copper strip thickness that four roller system rolling system will produce traditional two roller system rolling system the condition, can guarantee rolling stability, the multiple control mode and the level of plate type quality, follow-up cold rolling's work load has been reduced, the production procedure has been shortened, cold rolling energy consumption has been reduced, thereby the total energy consumption of copper strip production has been reduced, and is favorable to energy-concerving and environment-protective, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel copper strip hot rolling line, includes the roll table and sets up the rolling mill roll system body between the roll table, and the roll table exit is provided with the finished product coiling machine, the rolling mill roll system body is four roll systems, and the roll table upside is provided with two intermediate products coiling machines, and two intermediate products coiling machine symmetries set up the both sides at the rolling mill roll system body, be provided with the coiled material heating furnace on the intermediate products coiling machine, the roll table upside is close to finished product coiling machine department and is provided with the solid solution system of high temperature.
As an optimal technical scheme of the utility model, the rolling mill roll system body includes a pair of working roll and a pair of backing roll, and two backing rolls set up the upper and lower both sides at two working rolls.
As a preferred technical scheme of the utility model, two the machine is selected for article coiler in the middle of the entry and export intermediate product respectively to the intermediate product coiler, and article coiler in the middle of the entry and export select the hot rolling production traffic direction of machine along the roll table to set gradually.
As an optimized technical scheme of the utility model, the coiled material heating furnace covers on the intermediate product coiling machine, and the furnace gate setting of coiled material heating furnace is in furnace body below, roll table top.
As an optimal technical scheme of the utility model, it is provided with the butt joint welding device to be close to finished product coiling machine department on the roll table, and the butt joint welding device sets up between high temperature solid solution system and finished product coiling machine.
Compared with the prior art, the beneficial effects of the utility model are that: the rolling mill roll system body adopts a four-roll rolling system to further reduce the thickness of the copper plate strip produced by the traditional two-roll rolling system, so that the rolling stability and various control modes and levels of the plate shape quality can be ensured, and the thickness of the copper plate strip can be reduced to 3mm for the hot rolling of red copper or brass and other common copper plate strips, thereby reducing the subsequent cold rolling processing amount, shortening the production flow, reducing the cold rolling energy consumption, further reducing the total energy consumption for producing the copper plate strip, and being beneficial to energy conservation and environmental protection; meanwhile, the waste heat after the traditional hot rolling is fully utilized, more subsequent cold rolling processes of the copper plate strip are distributed in the hot rolling process stage, the equipment investment and the process flow of cold rolling and intermediate annealing are reduced, the energy is saved, the consumption is reduced, and the cost is reduced; the production line has the rolling modes of block type, block type + belt type, full belt type and the like, and can effectively meet the requirements of small-batch, multi-variety and multifunctional production processes of copper plate and belt hot rolling projects.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 rolling mill roll system body, 2 intermediate product coiling machine, 3 coiled material heating furnace, 4 high temperature solid solution system, 5 butt welding device and 6 finished product coiling machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a novel copper plate and strip hot rolling line comprises roller ways and a rolling mill roll system body 1 arranged between the roller ways, wherein a finished product coiling machine 6 is arranged at the outlet of the roller ways, the rolling mill roll system body 1 is a four-roll system and comprises an upper working roll, a lower working roll, an upper supporting roll and a lower supporting roll, the diameter of the working rolls is phi 400-phi 800mm, the diameter of the supporting rolls is phi 800-phi 1800mm, and a copper plate strip passes between the two working rolls in the hot rolling process and is rolled by the working rolls; the upper supporting roll is arranged on the upper side of the upper working roll, the lower supporting roll is arranged on the lower side of the lower working roll, the design concept of the prior art is broken through, the rolling mill roll system body 1 of the copper plate and strip hot rolling mill is designed into a four-roll system from the current two-roll system, the thickness of the produced copper plate and strip can be ensured to be stable in rolling and various control modes and levels of the strip shape quality under the condition of further reduction, the finished thickness of the copper plate and strip is expanded from 14 to 16mm in the past to be full size within the range of 3 to 16mm, different production requirements can be met, especially for ordinary copper plates and strips such as red copper or brass, the copper plate and strip can be hot-rolled to 3mm in thickness, the subsequent cold rolling processing amount is reduced, the production flow is shortened, the cold rolling energy consumption is reduced, the total energy consumption of copper plate and strip production is reduced, energy conservation and environmental protection are facilitated, the traditional residual heat after hot rolling is fully utilized, the subsequent cold rolling process of the copper plate and strip is more distributed in the hot rolling process stage, and the equipment and the intermediate annealing process flow are reduced.
On the basis of the traditional hot rolling production line, more targeted rolling and cooling control equipment and copper strip rough rolling functions are integrated, and the production line is compact and reasonable in arrangement.
Two intermediate product recoiling machines 2 are arranged on the upper side of the roller way, the thickness of a copper strip coiled by the intermediate product recoiling machines 2 is 3 to 28mm, and the maximum coiling external diameter is 2500mm.
Specifically, the two intermediate product coilers 2 are respectively an inlet intermediate product coiler and an outlet intermediate product selector, the inlet intermediate product coiler and the outlet intermediate product selector are sequentially arranged along the hot rolling production running direction of a roller way, the two intermediate product coilers 2 are symmetrically arranged on two sides of the rolling mill roll system body 1, and the distance L1=5 to 12m between the two intermediate product coilers 2 and the rolling mill roll system body 1 is used for ensuring the tensioning length of the strip; and a coil heating furnace 3 is arranged on the intermediate product coiling machine 2, the coil heating furnace 3 covers the intermediate product coiling machine 2, and a furnace door of the coil heating furnace 3 is arranged below the furnace body and above the roller way, so that the coil can conveniently enter the furnace for heat compensation.
Furthermore, the heating temperature range of the coil heating furnace is 600 to 1000 ℃, and protective gas such as nitrogen, argon and the like is configured.
The two intermediate product coilers are used for tensioning the strip with the thickness of 3-6 mm when the strip is produced, so that the strip is subjected to hot rolling by a strip tension coiling method in a heat supplementing state of a coil heating furnace 3.
Preferably, a high-temperature solid solution system 4 is arranged on the upper side of the roller way and close to the finished product coiler 6, the hot-rolled strip is subjected to online high-temperature solid solution treatment through the high-temperature solid solution system 4, and the solid solution treatment capacity of the system is as follows: reducing the temperature of the copper strip blank from 600 to 1050 ℃ to below 200 to 400 ℃ within 1 to 2.5 minutes.
The on-line high-temperature full solution heat treatment after the hot rolling of the high-copper alloy plate strip is effectively ensured, the product performance is improved, and the equipment investment of adding a high-temperature solution heat treatment furnace subsequently is avoided.
Preferably, a butt-joint welding device 5 is arranged on the roller way and close to the finished product coiling machine 6, the butt-joint welding device 5 is arranged between the high-temperature solid solution system 4 and the finished product coiling machine 6, a plurality of copper plates and strips can be butt-jointed and welded into a large-size coil, and the thickness of the butt-joint copper plates and strips is 3 to 15mm.
1 to 2 sets of tunnel heating furnaces are designed on a hot rolling production line, a transverse moving device is arranged at the lower part of each tunnel heating furnace, and the transverse moving device is driven by hydraulic pressure or a motor and is driven by a synchronous gear rack device, so that the roller way can move on line and outside the roller way line. The length of the tunnel type heating furnace is 20 to 40m, and the heating temperature range is 700 to 1200 ℃. The tunnel furnace is provided with a protective gas such as nitrogen gas or argon gas.
The speed design range of the hot rolling engineering production line is 60-400m/min.
The utility model discloses in used rolling mill roller system body 1, coiling machine, coil heating furnace 3, high temperature solid solution system 4, butt joint welding device 5, tunnel type heating furnace etc. are the equipment commonly used in this copper strip production, and its concrete structure and theory of operation etc. are common general knowledge, do not do detailed description here.
On the basis, the traditional tension-free block-type single hot rolling technology is designed into the following different production modes:
the hot rolling of the plate with the thickness of more than 28mm is only carried out by a single-stage block type method: copper and copper alloy ingot casting → heating → block hot rolling → on-line high-temperature solution heat treatment → finished plate;
carrying out double-stage block hot rolling and belt hot rolling on a plate strip with the thickness of 6-28mm: copper and copper alloy ingot casting → heating → one hot rolling of block method → one online heat supplement of roller furnace → two hot rolling of block method → two online heat supplement of roller furnace → one online high temperature solution heat treatment → butt welding coil splicing → coiling → finished plate and strip;
performing three-stage block hot rolling, belt hot rolling and belt warm rolling on a strip with the thickness of 3-6 mm: copper and copper alloy ingot casting → heating → first hot rolling of block method → online first heat supplement of roller furnace → second hot rolling of block method → hot rolling of coil furnace with tension coil in heat supplement state → warm rolling of coil furnace with tension coil in temperature control state → online high temperature solution heat treatment → coiling → finished strip.
Can effectively meet the requirements of small-batch, multi-variety and multifunctional production processes of copper plate and strip hot rolling projects.
The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel copper area hot rolling line, includes roll table and the rolling mill roll system body (1) of setting between the roll table, the roll table exit is provided with finished product coiling machine (6), its characterized in that: the rolling mill roller system body (1) is a four-roller system, two intermediate product coilers (2) are arranged on the upper side of a roller way, the two intermediate product coilers (2) are symmetrically arranged on two sides of the rolling mill roller system body (1), a coil heating furnace (3) is arranged on each intermediate product coiler (2), and a high-temperature solid solution system (4) is arranged on the upper side of the roller way close to each finished product coiler (6).
2. The novel hot strip and plate line of claim 1, wherein: the rolling mill roll system body (1) comprises a pair of working rolls and a pair of supporting rolls, and the two supporting rolls are arranged on the upper side and the lower side of the two working rolls.
3. The novel copper and strip hot rolling line as claimed in claim 2, wherein: the diameter range of the working roll is phi 400-phi 800mm, and the diameter range of the supporting roll is phi 800-phi 1800mm.
4. The novel hot strip and plate line of claim 1, wherein: the distance between the two intermediate product winders (2) and the rolling mill roll system body (1) is 5-12m.
5. The novel hot strip and plate line of claim 1, wherein: the two intermediate product recoiling machines (2) are respectively an inlet intermediate product recoiling machine and an outlet intermediate product selecting machine, and the inlet intermediate product recoiling machine and the outlet intermediate product selecting machine are sequentially arranged along the hot rolling production running direction of the roller way.
6. The novel hot strip and plate line of claim 1, wherein: the coiled material heating furnace (3) is covered on the intermediate product coiling machine (2), and a furnace door of the coiled material heating furnace (3) is arranged below the furnace body and above the roller way.
7. The novel hot strip and plate line of claim 1, wherein: and a butt-joint tailor-welding device (5) is arranged on the roller way close to the finished product coiling machine (6), and the butt-joint tailor-welding device (5) is arranged between the high-temperature solid solution system (4) and the finished product coiling machine (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222305798.3U CN217858010U (en) | 2022-08-31 | 2022-08-31 | Novel copper strip hot rolling line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222305798.3U CN217858010U (en) | 2022-08-31 | 2022-08-31 | Novel copper strip hot rolling line |
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| Publication Number | Publication Date |
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| CN217858010U true CN217858010U (en) | 2022-11-22 |
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| CN202222305798.3U Active CN217858010U (en) | 2022-08-31 | 2022-08-31 | Novel copper strip hot rolling line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254954A (en) * | 2022-08-31 | 2022-11-01 | 中色科技股份有限公司 | Copper plate and strip hot rolling method |
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2022
- 2022-08-31 CN CN202222305798.3U patent/CN217858010U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254954A (en) * | 2022-08-31 | 2022-11-01 | 中色科技股份有限公司 | Copper plate and strip hot rolling method |
| CN115254954B (en) * | 2022-08-31 | 2024-07-19 | 中色科技股份有限公司 | Copper plate and strip hot rolling method |
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