CN112620349B - 消除薄镍带油斑的方法 - Google Patents
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- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000000137 annealing Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001257 hydrogen Substances 0.000 claims abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
- 238000005097 cold rolling Methods 0.000 claims abstract description 8
- 238000005238 degreasing Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 13
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000004071 soot Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 238000011049 filling Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- 238000004377 microelectronic Methods 0.000 description 1
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- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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Abstract
本发明提供一种消除薄镍带油斑的方法,包括以下工艺步骤:步骤S1,薄镍带制备:将原料镍热轧板经过多道次冷轧至成品所需厚度;步骤S2,光亮退火:道次间分别将冷轧板放入光亮退火炉中进行离线退火处理,退火温度为600~680℃,保温时间15~30min;连续光亮退火炉前、后封闭,在高温内胆内充入氢气保护气氛,氢气作为保护气体是从出口端进入,进口端排出,控制保护气体的流量;光亮退火炉内配置喷射风道,配套强力循环系统,将受热的气氛浸蚀到镍带表面,实现快速均匀的强对流加热;步骤S3,脱脂清洗:将冷轧薄镍带进行脱脂清洗,得到成品薄镍带。本发明能够提高产品质量、缩短生产周期和降低成本。
Description
技术领域
本发明属于镍材加工技术领域,涉及了一种消除薄镍带油斑的方法。
背景技术
纯镍N6具有优异的电磁控制性能,已被广泛应用于微电子、机械等领域,是当今信息社会不可或缺的一环。而纯镍在轧制过程中需要添加润滑油,一方面避免破坏镍带表面,另一方面也可以减小轧制力。但是这也不可避免的带来了表面质量问题,润滑油在退火过程中不完全燃烧易导致镍带表面出现黄色油斑。
目前国内消除油斑产生的方法一般是添加新的清洗设备,专利CN210411628U公开了一种镍带生产清洗装置,镍带从两个导向柱之间进入到架体内的上擦棉和下擦棉之间,下推气缸下推,使得上擦棉和下擦棉与镍带接触,从而擦拭镍带,之后镍带通过上下两个吹灰管进行吹灰,吹灰管通过高压风机往与吹灰管贯通的吹气管内吹气从而对镍带上下表面进行吹灰,并且通过抽灰罩对吹起来的灰尘杂物进行抽取,保证车间的干净,但新添设备必然提高生产成本。
发明内容
本发明的目的在于克服现有技术中存在的不足,一种在镍带材生产过程中消除薄镍带油斑的方法,达到提高产品质量、缩短生产周期和降低成本的目的,以满足目前对高纯镍带材的市场需求。本发明采用的技术方案是:
一种消除薄镍带油斑的方法,包括以下工艺步骤:
步骤S1,薄镍带制备:将原料镍热轧板经过多道次冷轧至成品所需厚度;
步骤S2,光亮退火:道次间分别将冷轧板放入光亮退火炉中进行离线退火处理,退火温度为600~680℃,保温时间15~30min;连续光亮退火炉前、后封闭,在高温内胆内充入氢气保护气氛,氢气作为保护气体是从出口端进入,进口端排出,控制保护气体的流量;光亮退火炉内配置喷射风道,配套强力循环系统,将受热的气氛浸蚀到镍带表面,实现快速均匀的强对流加热;
步骤S3,脱脂清洗:将冷轧薄镍带进行脱脂清洗,得到成品薄镍带。
进一步地,步骤S1中,原料镍热轧板为4.0~6.0mm的纯镍N6热轧板坯,将原料在多辊冷轧机上添加润滑油经3~5道次冷轧至0.03~0.6mm厚度。
进一步地,步骤S2中,保护气体的流量为3.5~5.0m3/h,观察光亮退火炉出口燃烧火焰,火焰高度必须超过300mm。
进一步地,光亮退火炉内包括至少3段加热区;在进口加热区所设定的温度,要比中间加热区所设定的温度低30~50℃。
进一步地,各加热区的长度为1500mm。
现有技术中,在镍带冷轧至需要的厚度后,在进行退火工艺之前,先要通过专门的清洗设备对镍带表面进行清洗,再进行退火,成本高,且增加了工艺步骤导致工降低。
通过本申请的方法,对镍带生产过程中退火工艺步骤改进,保护气体对处理带材及退火炉部件无有害作用,在镍带连续生产线中,防止镍带材表面氧化和吸气,以保持光亮的色泽,由于在高温下的时间短,加热也很均匀,在张力的作用下,通过再结晶热处理,消除性能不均匀现象和提高带材的平直,对保证镍带表面光洁也是有利的,能使带材表面的油污、水汽以及微细粉尘在高温蒸馏后,便随保护气体的排出而带走,这样使炉内无油污存积,达到镍带带面清洁光亮的效果。因此本申请的方法可以不需要采用专门的清洗设备,降低了成本,也提高了生产效率。
附图说明
图1为本发明的方法流程图。
图2为本发明实施例一获得的薄镍带示意图。
图3为本发明实施例二获得的薄镍带示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。
本发明实施例提出一种消除薄镍带油斑的方法,包括以下工艺步骤:
步骤S1,薄镍带制备:原料镍热轧板为4.0~6.0mm的纯镍N6热轧板坯,将原料在二十辊冷轧机上添加润滑油经3-5道次冷轧至0.03~0.6mm厚度;
纯镍N6热轧板坯各组分的化学成分质量百分数为Ni≥99.5%,C 0.002~0.01%,Si0.02~0 .1%,Mn 0 .01~0 .05%,Mg 0 .01~0 .03%,Ti 0 .01~0 .1%,Al 0 .01~0.1%、S≤0 .005%,P≤0.002%,Fe 0.01~0.1%,
步骤S2,光亮退火:道次间分别将冷轧板放入光亮退火炉中进行离线退火处理,退火温度为600~680℃,保温时间15~30min;连续光亮退火炉前、后封闭,连续光亮退火炉内包括至少3段加热区;在高温内胆内充入氢气保护气氛,作为氧化还原剂,保护气体是从光亮退火炉出口端进入,进口端排出,根据规格大小,牵引工艺技术参数,控制保护气体的流量,但在进口加热区所设定的温度,要比中间加热区所设定的温度低30~50℃;控制保护气体的充入量,根据炉体大小,流量器读数在3.5~5.0 m3/h,观察其出口燃烧火焰,一般火焰高度必须超过300mm,炉内配置喷射风道,配套强力循环系统,将受热的气氛浸蚀到镍带表面,实现快速均匀的强对流加热,能使带材表面的油污、水汽以及微细粉尘在高温蒸馏后,便随保护气体的排出而带走;由于氢的高度还原作用,使退火处理的镍带材表面更加清洁光亮;
步骤S3,脱脂清洗:将冷轧薄镍带进行脱脂清洗,得到0.03~0.6mm厚度的薄镍带。
实施例一;
原料为5.3mm厚度N6热轧板坯,经四道次依次轧2.0mm,0.6mm,0.2mm,0.05mm厚度;期间每道次分别将冷轧板放入光亮退火炉中进行离线退火处理,退火温度为630℃,保温20min;将氢气作为保护气体充入高温内胆,保护气体从出口端进入,进口端排出,前后加热区各为1500mm长度,进口加热区所设定的温度为600℃,中间加热区的温度为630℃;控制保护气体的充入量,使流量器的读书为4m3/h,观察出口燃烧火焰,其高度必须大于300mm,炉内配置的喷射风道配套强力循环系统,将受热的气氛经喷射风道吹到薄镍带表面,实现快速均匀的强对流加热,将带材表面的油污经高温蒸馏后随保护气体一起排出,退火后的表面光亮如图2所示。
实施例二;
原料为5.5mm厚度N6热轧板坯,经四道次依次轧2.0mm,0.5mm,0.15mm,0.03mm厚度;期间每道次分别将冷轧板放入光亮退火炉中进行离线退火处理,退火温度为650℃,保温15min;将氢气作为保护气体充入高温内胆,保护气体从出口端进入,进口端排出,前后加热区各为1500mm长度,进口加热区所设定的温度为610℃,中间加热区的温度为650℃;控制保护气体的充入量,使流量器的读书为4.5m3/h,观察出口燃烧火焰,其高度必须大于300mm,炉内配置的喷射风道配套强力循环系统,将受热的气氛经喷射风道吹到薄镍带表面,实现快速均匀的强对流加热,将带材表面的油污经高温蒸馏后随保护气体一起排出,退火后的表面光亮如图3所示。
上述实施例中,保护气体在光亮退火炉出口燃烧,进行尾气处理。
最后所应说明的是,以上具体实施方式仅用以说明本发明的技术方案而非限制,尽管参照实例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的精神和范围,其均应涵盖在本发明的权利要求范围当中。
Claims (1)
1.一种消除薄镍带油斑的方法,其特征在于,包括以下工艺步骤:
步骤S1,薄镍带制备:将原料镍热轧板经过多道次冷轧至成品所需厚度;
步骤S2,光亮退火:道次间分别将冷轧板放入光亮退火炉中进行离线退火处理,退火温度为600~680℃,保温时间15~30min;连续光亮退火炉前、后封闭,在高温内胆内充入氢气保护气氛,氢气作为保护气体是从出口端进入,进口端排出,控制保护气体的流量;光亮退火炉内配置喷射风道,配套强力循环系统,将受热的气氛浸蚀到镍带表面,实现快速均匀的强对流加热;
步骤S2中,保护气体的流量为3.5~5.0m3/h,观察光亮退火炉出口燃烧火焰,火焰高度必须超过300mm;
光亮退火炉内包括至少3段加热区;在进口加热区所设定的温度,要比中间加热区所设定的温度低30~50℃;
步骤S3,脱脂清洗:将冷轧薄镍带进行脱脂清洗,得到成品薄镍带;
步骤S1中,原料镍热轧板为4.0~6.0mm的纯镍N6热轧板坯,将原料在多辊冷轧机上添加润滑油经3~5道次冷轧至0.03~0.6mm厚度;
各加热区的长度为1500mm。
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CN105063526A (zh) * | 2015-07-29 | 2015-11-18 | 无锡市东杨电子有限公司 | 镍带热处理装置和热处理工艺 |
CN108342555A (zh) * | 2018-02-01 | 2018-07-31 | 南京理工大学 | 超薄精密硬态不锈钢带制作方法 |
CN108396126A (zh) * | 2018-02-01 | 2018-08-14 | 南京理工大学 | 超薄精密软态不锈钢带制作方法 |
CN109750239B (zh) * | 2019-03-14 | 2020-10-30 | 无锡市东杨新材料股份有限公司 | 一种0.01~0.05mm超薄N6纯镍箔的制备工艺 |
CN109881132B (zh) * | 2019-03-14 | 2021-04-06 | 无锡市东杨新材料股份有限公司 | 一种薄规格纯镍板组织均质化控制方法 |
CN111876705A (zh) * | 2020-07-13 | 2020-11-03 | 安徽恒均粉末冶金科技股份有限公司 | 一种镍带的制备工艺 |
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Denomination of invention: Methods for eliminating oil spots on thin nickel strips Granted publication date: 20220531 Pledgee: Wuxi Xishan sub branch of Bank of China Ltd. Pledgor: WUXI TOYON NEW MATERIALS CO.,LTD. Registration number: Y2024980010816 |