CN101775522B - Anticorrosive copper belt for automobile water tank and horizontal continuous casting method thereof - Google Patents
Anticorrosive copper belt for automobile water tank and horizontal continuous casting method thereof Download PDFInfo
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- CN101775522B CN101775522B CN201010124641XA CN201010124641A CN101775522B CN 101775522 B CN101775522 B CN 101775522B CN 201010124641X A CN201010124641X A CN 201010124641XA CN 201010124641 A CN201010124641 A CN 201010124641A CN 101775522 B CN101775522 B CN 101775522B
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Abstract
The invention discloses an anticorrosive copper belt for an automobile water tank and a horizontal continuous casting method for the anticorrosive copper belt in order to reduce the cost and improve the anticorrosive performance and the service life of the water tank. The technical scheme is that the anticorrosive copper belt for the automobile water tank contains the follow elements by weight percent: 64.0-68.0 percent of copper, 0.010-0.050 percent of phosphor, 0.010-0.050 percent of tin, 0.010-0.040 percent of iron and rest percent of zinc, the total content of unavoidable impurities is less than or equal to 0.3 percent and the sum of all components is 100 percent. The horizontal continuous casting method comprises the following steps: dosing, smelting, covering, transferring to a heat preserving furnace, covering, horizontal continuous casting, face milling, rough rolling, annealing, cleaning, medium rolling, trimming, annealing, cleaning, pre-finish rolling, annealing, cleaning, finish rolling, cutting and warehousing.
Description
Technical field
The present invention relates to a kind of radiator with anticorrosion copper strips and horizontal casting working method thereof.
Background technology
Along with the fast development of automobile industry, the demand of automobile water-based case is increasing.Because the intensified competition of radiator is used to make the starting material of radiator also in update constantly.In order to reduce cost, the effective material of radiator also progressively updates into H70 and H65 by original H90, greatly reduces copper content like this, has saved cost, but antiseptic property reduces the lost of life of water tank.
Also in the update that reduces cost, the used heat-radiation belt of the water tank that ask for something is not high also changes H65 into by original T 2 to radiator with the heat-radiation belt material in addition.
Summary of the invention
In order to reduce cost, satisfy the antiseptic property and the work-ing life of water tank simultaneously, the present invention proposes a kind of radiator with anticorrosion copper strips and horizontal casting working method thereof.
Technical scheme of the present invention is as follows:
The anticorrosion copper strips of a kind of radiator, it is characterized in that being by weight percentage: copper: 64.0～68.0%, phosphorus: 0.010～0.050%, tin: 0.010～0.050%, iron: 0.010～0.040%, surplus is a zinc, unavoidable impurities summation≤0.3%, and each composition sum is 100%.
Above-mentioned kind of radiator is with the horizontal casting working method of anticorrosion copper strips, and concrete steps are as follows:
(1), batching: prepare burden with the weight percentages of components of anticorrosion copper strips by radiator; Adopt red copper or old material of brass and virgin material cathode copper on batching, the consumption of red copper or the old material of brass is not more than 50% by weight percentage;
(2), melting: use core-type induction furnace to carry out the cover type melting, adopt charcoal, graphite or other carbonaceous thing are as insulating covering agent;
(3), change holding furnace over to: change the back over to and adopt charcoal, graphite or other carbonaceous thing are incubated and control phosphorus content between 100-500ppm as insulating covering agent, and tin content is between 100-500ppm;
(4), horizontal casting: usage level continuous casting machine and crystallizer are also cast with adjustable water cooling protection, and the made-up belt width is 320～410mm; The cast temperature is controlled at 930～1070 ℃, and the crystallizer cold in-water temperature is controlled at below 45 ℃, and cooling water pressure is controlled in 0.3～0.6MPa;
(5), mill face: the made-up belt to horizontal casting mills face;
(6) rolling: use the cold-rolling mill roughing, then by successively by annealing, clean, with roll in the cold-rolling mill, cut edge, anneal, clean, with after the pre-finish rolling of cold-rolling mill, annealing, the matting, use cold-rolling mill finish rolling, control finished product thickness; The annealing of the logical nitrogen hydrogen protection of bell furnace gas is adopted in annealing, 120～160 ℃ of heat-up rates/time, annealing temperature is 510～620 ℃, the time is 4-8 hour;
(7), shear, pack, put in storage.
Alloy adjustment in the above-mentioned smelting furnace further describes as follows: every stove material weight is about 1.0 tons～1.5 tons, and Sn adds according to 0.010～0.050% ratio, and P adds (consideration loss) according to 0.010～0.050% ratio; Fe adds according to 0.010～0.040% ratio; Phosphor-copper, Sn ingot, iron-copper form add in the smelting furnace, and alloy adds in the stove 2～10 minutes, fully stirs the resampling analysis with splash bar in stove; Because of the easy scaling loss of phosphorus, so must add phosphorus in the founding subsequent process, its working method is as follows: the phosphor-copper lumpiness is in 10～50mm scope, phosphor-copper is divided equally four parts, with the parcel of the copper strips multilayer about 0.2mm thickness, add in the chute, and go into the stove surging force and even composition by copper water.
Beneficial effect: anticorrosion copper strips is to improve for the basis at H65 copper, and the content by control phosphorus, tin reaches the rot-resistant purpose.Owing to adopt old copper material consumption about 50%, finish processing by horizontal continuous-casting, can reduce cost effectively.Change thinking and adopt cold-rolling process, further stablized quality product.
Embodiment
Embodiment 1: thickness is 0.12mm, and width is the cistern tube material of 34mm.
By copper: 64.0～68.0%; Phosphorus: 0.010～0.050%; Tin: 0.010～0.050%; Iron: 0.010～0.050%; Zinc: surplus; And summations such as unavoidable impurities element such as lead :≤0.3% combines, and the each component sum reaches 100%.
Described working method is: (1), batching: prepare burden with the weight percentages of components of anticorrosion copper strips by radiator; Adopt red copper or old material of brass and virgin material cathode copper on batching, the consumption of red copper or the old material of brass is not more than 50% by weight percentage;
(2), melting: use core-type induction furnace to carry out the cover type melting, adopt charcoal, graphite or other carbonaceous thing are as insulating covering agent;
(3), change holding furnace over to: change the back over to and adopt charcoal, graphite or other carbonaceous thing are incubated and control phosphorus content between 100-500ppm as insulating covering agent, and tin content is between 100-500ppm;
(4), horizontal casting: usage level continuous casting machine and crystallizer are also cast with adjustable water cooling protection, and the made-up belt width is 320～410mm, and thickness is 15.5mm; The cast temperature is controlled at 930～1070 ℃, and the crystallizer cold in-water temperature is controlled at below 45 ℃, and cooling water pressure is controlled in 0.3～0.6MPa;
(5), mill face: the made-up belt to horizontal casting mills face, and thickness is 14.5mm;
(6) rolling: use the cold-rolling mill roughing, thickness is 3.5mm, then by successively by annealing, clean, with roll in the cold-rolling mill, cut edge, anneal, clean, with after the pre-finish rolling of cold-rolling mill, annealing, the matting, use cold-rolling mill finish rolling, control finished product thickness; Wherein, middle bundle thickness is 0.27mm, and pre-finish rolling thickness is 0.145mm, and finish rolling thickness is 0.12mm, need prick in 2 times; The annealing of the logical nitrogen hydrogen protection of bell furnace gas is adopted in annealing, 120～160 ℃ of heat-up rates/time, annealing temperature is 510～620 ℃, the time is 4-8 hour;
(7), be cut into the width of 34mm, packing, warehouse-in.
Embodiment 2: thickness is 0.04mm, and width is the water tank belt material of 50mm.
By copper: 64.0～68.0%; Phosphorus: 0.010～0.050%; Tin: 0.010～0.050%; Zinc: surplus; Reach summations such as unavoidable impurities elemental iron, lead :≤0.3% combines, and the each component sum reaches 100%.
Described working method is: (1), batching: prepare burden with the weight percentages of components of anticorrosion copper strips by radiator; Adopt red copper or old material of brass and virgin material cathode copper on batching, the consumption of red copper or the old material of brass is not more than 50% by weight percentage;
(2), melting: use core-type induction furnace to carry out the cover type melting, adopt charcoal, graphite or other carbonaceous thing are as insulating covering agent;
(3), change holding furnace over to: change the back over to and adopt charcoal, graphite or other carbonaceous thing are incubated and control phosphorus content between 100-500ppm as insulating covering agent, and tin content is between 100-500ppm;
(4), horizontal casting: usage level continuous casting machine and crystallizer are also cast with adjustable water cooling protection, and the made-up belt width is 320～410mm, and thickness is 16mm; The cast temperature is controlled at 930～1070 ℃, and the crystallizer cold in-water temperature is controlled at below 45 ℃, and cooling water pressure is controlled in 0.3～0.6MPa;
(5), mill face: the made-up belt to horizontal casting mills face, and thickness is 15mm;
(6) rolling: use the cold-rolling mill roughing, thickness is 3.5mm, then by successively by annealing, clean, with roll in the cold-rolling mill, cut edge, anneal, clean, with after the pre-finish rolling of cold-rolling mill, annealing, the matting, use cold-rolling mill finish rolling, control finished product thickness; Wherein, middle bundle thickness is 1.0mm, and pre-finish rolling thickness is 0.18mm, and finish rolling thickness is 0.04mm, need be through four smart bundles; The annealing of the logical nitrogen hydrogen protection of bell furnace gas is adopted in annealing, 120～160 ℃ of heat-up rates/time, annealing temperature is 510～620 ℃, the time is 4-8 hour;
(7), be cut into the width of 50mm, packing, warehouse-in.
In above-mentioned two embodiment, the alloy adjustment in the smelting furnace further describes as follows: every stove material weight is about 1.0 tons～1.5 tons, and Sn adds according to 0.010～0.050% ratio, and P adds (consideration loss) according to 0.010～0.050% ratio; Fe adds according to 0.010～0.040% ratio; Phosphor-copper, Sn ingot, iron-copper form add in the smelting furnace, and alloy adds in the stove 2～10 minutes, fully stirs the resampling analysis with splash bar in stove; Because of the easy scaling loss of phosphorus, so must add phosphorus in the founding subsequent process, its working method is as follows: the phosphor-copper lumpiness is in 10～50mm scope, phosphor-copper is divided equally four parts, with the parcel of the copper strips multilayer about 0.2mm thickness, add in the chute, and go into the stove surging force and even composition by copper water.
Claims (1)
1. a radiator is with the horizontal casting working method of anticorrosion copper strips, it is characterized in that: the component of this anticorrosion copper strips is to be by weight percentage: copper: 64.0～68.0%, phosphorus: tin 0.050%: iron 0.050%: 0.010%, surplus is a zinc, unavoidable impurities summation≤0.3%, each composition sum is 100%;
Its concrete preparation process is as follows:
(1), batching: prepare burden with the weight percentages of components of anticorrosion copper strips by radiator; Adopt red copper or old material of brass and virgin material cathode copper on batching, the consumption of red copper or the old material of brass is not more than 50% by weight percentage;
(2), melting: use core-type induction furnace to carry out the cover type melting, adopt charcoal, graphite or other carbonaceous thing are as insulating covering agent, and every stove material weight is at 1.0 tons～1.5 tons, Sn adds according to 0.050% ratio, and P adds according to 0.050% ratio under the situation of considering loss; Fe adds according to 0.010% ratio; Phosphor-copper, Sn ingot, iron-copper form add in the core-type induction furnace, and alloy adds in the stove 2～10 minutes, fully stirs the resampling analysis with splash bar in stove; Because of the easy scaling loss of phosphorus, so must add phosphorus in the founding subsequent process, its working method is as follows: the phosphor-copper lumpiness is in 10～50mm scope, phosphor-copper is divided equally four parts, copper strips multilayer parcel with 0.2mm thickness adds in the chute, and goes into the stove surging force and even composition by copper water;
(3), change holding furnace over to: change the back over to and adopt charcoal, graphite or other carbonaceous thing are incubated and control phosphorus content at 500ppm as insulating covering agent, and tin content is at 500ppm;
(4), horizontal casting: usage level continuous casting machine and crystallizer are also cast with adjustable water cooling protection, and the made-up belt width is 320～410mm; The cast temperature is controlled at 930～1070 ℃, and the crystallizer cold in-water temperature is controlled at below 45 ℃, and cooling water pressure is controlled in 0.3～0.6MPa;
(5), mill face: the made-up belt to horizontal casting mills face;
(6), rolling: use earlier the cold-rolling mill roughing, then successively by annealing, clean, with roll in the cold-rolling mill, cut edge, anneal, clean, with after the pre-finish rolling of cold-rolling mill, annealing, the matting, use cold-rolling mill finish rolling again, control finished product thickness; The annealing of the logical nitrogen hydrogen protection of bell furnace gas is adopted in annealing, 120～160 ℃/hour of heat-up rates, and annealing temperature is 510～620 ℃, the time is 4-8 hour;
(7), shear, pack, put in storage.
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| CN201010124641XA CN101775522B (en) | 2010-03-02 | 2010-03-02 | Anticorrosive copper belt for automobile water tank and horizontal continuous casting method thereof |
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| CN201010124641XA CN101775522B (en) | 2010-03-02 | 2010-03-02 | Anticorrosive copper belt for automobile water tank and horizontal continuous casting method thereof |
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| CN103077763B (en) * | 2012-12-17 | 2016-04-06 | 青岛创佳铜业有限公司 | A kind of production method of long copper strip for electric cable |
| CN103726000A (en) * | 2013-11-25 | 2014-04-16 | 青岛盛嘉信息科技有限公司 | Copper alloy strip production technique |
| CN104630675A (en) * | 2015-02-06 | 2015-05-20 | 苏州富瑞合金科技股份有限公司 | Preparation method of tin bronze coil pipe |
| CN104651766B (en) * | 2015-02-06 | 2017-11-03 | 苏州富瑞合金科技股份有限公司 | A kind of preparation method of instrument copper pipe |
| CN105886828B (en) * | 2016-04-20 | 2017-11-07 | 湖北精益高精铜板带有限公司 | A kind of microalloy copper foil and its processing method |
| CN106756206B (en) * | 2016-11-30 | 2018-04-17 | 宁波欧琳厨具有限公司 | A kind of sink |
| DE102017007138B3 (en) * | 2017-07-27 | 2018-09-27 | Wieland-Werke Ag | Wire material, net and breeding cage for aquaculture |
| CN109434378A (en) * | 2018-10-31 | 2019-03-08 | 温州铜丰铜业有限公司 | A kind of copper strips production technology |
| CN109825739A (en) * | 2019-03-29 | 2019-05-31 | 安徽众源新材料股份有限公司 | A kind of fuse cap copper alloy and production technology |
| CN109881131A (en) * | 2019-03-29 | 2019-06-14 | 安徽众源新材料股份有限公司 | A kind of red copper homogenization processing technology |
| CN110465558A (en) * | 2019-08-12 | 2019-11-19 | 浙江绅仕镭铜业有限公司 | A kind of production method of high torsion material |
| CN110527858A (en) * | 2019-08-29 | 2019-12-03 | 浙江科宇金属材料有限公司 | A kind of holding furnace brass coverture and its application method |
| CN113426831A (en) * | 2021-05-30 | 2021-09-24 | 江阴艾力特机械制造有限公司 | Single-stand reversible rolling process for ultrathin wide copper strip |
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| CN1804075A (en) * | 2006-01-13 | 2006-07-19 | 菏泽广源铜带有限责任公司 | Method for manufacturing anti-corrosion alloy brass H65 and copper belt thereof |
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Owner name: HUBEI JINGYI HIGH PRECISION COPPER PLATES + STRIPS Free format text: FORMER OWNER: YIMIN COPPER MATERIAL CO., LTD, SHIYAN Effective date: 20140103 |
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Effective date of registration: 20140103 Address after: 442001 Shiyan province Hubei City Industrial District Cadillac Street No. 7 Patentee after: HUBEI JINGYI HIGH PRECISION COPPER PLASTICS & STRIPS CO., LTD. Address before: Shiyan City, Hubei province 442002 City Road No. 91 Patentee before: Yimin Copper Material Co., Ltd, Shiyan |