WO2024119799A1 - 一种铝箔面洁净化处理方法 - Google Patents

一种铝箔面洁净化处理方法 Download PDF

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WO2024119799A1
WO2024119799A1 PCT/CN2023/104419 CN2023104419W WO2024119799A1 WO 2024119799 A1 WO2024119799 A1 WO 2024119799A1 CN 2023104419 W CN2023104419 W CN 2023104419W WO 2024119799 A1 WO2024119799 A1 WO 2024119799A1
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aluminum foil
temperature
annealing
roller
oil
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PCT/CN2023/104419
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English (en)
French (fr)
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张涛
王武权
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洛阳万基铝加工有限公司
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Publication of WO2024119799A1 publication Critical patent/WO2024119799A1/zh

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  • the invention relates to the technical field of aluminum foil processing, and in particular to a method for cleaning the surface of an aluminum foil.
  • Aluminum foil is increasingly used in people's lives, and the requirements for the surface quality of aluminum foil are also increasing, especially for heat-sealed foil, medicinal foil, hose foil, household foil, etc., which have strict requirements on the residual rolling oil on their surfaces.
  • the aluminum foil produced by existing high-speed aluminum foil rolling mills will have rolling oil on the surface. If the aluminum foil surface has too much rolling oil and the annealing process is not appropriate, it is easy to cause the surface of the aluminum foil to become oily or yellow spots after annealing, affecting the surface cleanliness of the aluminum foil and failing to meet the requirements.
  • the technical problem to be solved by the present invention is to overcome the existing defects and provide a liner structure for autogenous mill and semi-autogenous mill to prevent deformation or cracking and a manufacturing method thereof, which can effectively solve the problems in the background technology.
  • the present invention provides the following technical solutions:
  • a method for cleaning an aluminum foil surface comprises the following steps:
  • the cleaner Adopting a cleaner to absorb the rolling oil, the cleaner is arranged at the output side of the roll;
  • the annealing temperature is 160-230°C, keep warm for 5-10h, then anneal at high temperature, the annealing temperature is 230-280°C, keep warm for 20-30h, then take it out of the furnace and cool it to room temperature.
  • the cleaner includes a unwinding roller and a winding roller, the roller body of the unwinding roller is wound with oil-absorbing paper, the oil-absorbing paper of the unwinding roller is closely attached to the aluminum foil surface, and the winding roller winds up the oil-absorbing paper.
  • the unwinding roller and the winding roller are connected on the same side of the shaft end through a connecting frame, and the winding roller is mainly
  • the unwinding roller is a driven roller, and the cleaner also includes a compression spring, which presses the connecting frame tightly to make the unwinding roller close to the aluminum foil surface.
  • the hot water temperature is 40-80°C
  • the hot air temperature is 80-120°C.
  • a protective atmosphere is used for annealing in step S4, and the protective atmosphere is nitrogen containing appropriate amounts of CO2 and CO.
  • the temperature is raised to 160-230° C. at a heating rate of 10° C./h and then kept warm.
  • the beneficial effects of the present invention are as follows: after the rolling of the rolling roller is completed, the oil-absorbing paper is pressed against the surface of the aluminum foil by the unwinding roller that is pressed downward, and then the oil-absorbing paper is rolled up by the winding roller, and an adsorption operation is performed before treatment to preliminarily remove the rolling oil, and then most of the rolling oil is removed by physical methods through water washing and drying to ensure the rolling oil content of the aluminum foil before annealing, and low-temperature annealing is selected first during the annealing process, and the low-temperature annealing temperature is not higher than the distillation range of the rolling oil to ensure that most of the rolling oil can be thermally decomposed and volatilized, and long-term low-temperature annealing is adopted.
  • both the crystallization quality of the aluminum foil and the volatilization of the residual rolling oil are guaranteed, which solves the problem of oil stickiness or yellow spots on the surface of the aluminum foil after annealing, and ensures the surface cleanliness requirements of the aluminum foil.
  • Fig. 1 is a schematic diagram of the implementation steps of the present invention
  • FIG. 2 is a schematic diagram of the structure of the cleaner of the present invention.
  • Embodiment 1 A method for cleaning an aluminum foil surface, comprising the following steps:
  • the cleaner Adopting a cleaner to absorb the rolling oil, the cleaner is arranged at the output side of the roll;
  • the cleaner includes a unwinding roller 1 and a winding roller 4, the roller body of the unwinding roller 1 is wound with oil-absorbing paper 5, the oil-absorbing paper 5 of the unwinding roller 1 is in close contact with the aluminum foil surface, and the winding roller 4 winds up the oil-absorbing paper 5; the same-side axial ends of the unwinding roller 1 and the winding roller 4 are connected by a connecting frame 2, the winding roller 4 is an active roller, and the unwinding roller 1 is a driven roller.
  • the cleaner also includes a compression spring 3, which presses the connecting frame 2 to make the unwinding roller 1 in close contact with the aluminum foil surface.
  • the hot water temperature is 50°C and the hot air temperature is 80°C.
  • a protective atmosphere is used for annealing in step S4, and the protective atmosphere is nitrogen containing appropriate amounts of CO2 and CO.
  • the temperature is raised to 200°C at a heating rate of 10°C/h and then kept warm.
  • Embodiment 2 A method for cleaning an aluminum foil surface, comprising the following steps:
  • the cleaner Adopting a cleaner to absorb the rolling oil, the cleaner is arranged on the output side of the roll;
  • the cleaner comprises an unwinding roller 1 and a winding roller 4, and the roller body of the unwinding roller 1
  • the unwinding roller 1 is wound with oil-absorbing paper 5, and the oil-absorbing paper 5 of the unwinding roller 1 is in close contact with the aluminum foil surface, and the winding roller 4 winds up the oil-absorbing paper 5; the same-side axial ends of the unwinding roller 1 and the winding roller 4 are connected by a connecting frame 2, the winding roller 4 is an active roller, and the unwinding roller 1 is a driven roller.
  • the cleaner also includes a compression spring 3, which presses the connecting frame 2 to make the unwinding roller 1 in close contact with the aluminum foil surface.
  • the hot water temperature is 70°C and the hot air temperature is 100°C.
  • a protective atmosphere is used for annealing in step S4, and the protective atmosphere is nitrogen containing appropriate amounts of CO2 and CO.
  • the temperature is raised to 210°C at a heating rate of 10°C/h and then kept warm.
  • Embodiment 3 A method for cleaning an aluminum foil surface, comprising the following steps:
  • the cleaner Adopting a cleaner to absorb the rolling oil, the cleaner is arranged at the output side of the roll;
  • the cleaner includes a unwinding roller 1 and a winding roller 4, the roller body of the unwinding roller 1 is wound with oil-absorbing paper 5, the oil-absorbing paper 5 of the unwinding roller 1 is in close contact with the aluminum foil surface, and the winding roller 4 winds up the oil-absorbing paper 5; the same-side axial ends of the unwinding roller 1 and the winding roller 4 are connected by a connecting frame 2, the winding roller 4 is an active roller, and the unwinding roller 1 is a driven roller.
  • the cleaner also includes a compression spring 3, which presses the connecting frame 2 to make the unwinding roller 1 in close contact with the aluminum foil surface.
  • the hot water temperature is 80°C and the hot air temperature is 120°C.
  • a protective atmosphere is used for annealing in step S4, and the protective atmosphere is nitrogen containing appropriate amounts of CO2 and CO.
  • step S4 during the low temperature oil removal process, the temperature is raised to 230° C. at a heating rate of 10° C./h. Then keep warm.

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  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Metal Rolling (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

一种铝箔面洁净化处理方法,包括以下步骤:S1、冷轧工序前对轧制油进行选择,轧制油的馏程为200-230℃;S2、采用清洁器对轧制油进行吸附,清洁器设置在轧辊输出侧;S3、退火前清洗及吹扫,先采用热水对铝箔表面进行刷洗,然后再使用热风对铝箔表面进行烘干;S4、将铝箔置于退火炉中,先低温除油,然后高温退火,出炉冷却到室温。该铝箔面洁净化处理方法采用物理方法去除大部分的轧制油,确保退火前的铝箔轧制油含量,在退火过程中先低温退火,确保大部分轧制油能够挥发,在高温退火阶段既保证了铝箔的结晶质量,又能保证残余的轧制油挥发,解决了铝箔退火后表面出现油粘或出现黄斑的问题,保证了铝箔的表面洁净度要求。

Description

一种铝箔面洁净化处理方法 技术领域
本发明涉及铝箔加工技术领域,具体为一种铝箔面洁净化处理方法。
背景技术
铝箔在人们生活中的应用越来越广泛,对铝箔表面质量的要求也不断提高,特别是热封箔、药用箔、软管箔、家用箔等,对其表面残留的轧制油有严格的要求。现有的高速铝箔轧机生产的铝箔表面都会带有轧制油,如果铝箔表面带有过多、退火工艺不合适,容易造成铝箔退火后表面出现油粘或出现黄斑,影响铝箔的表面洁净度,不能满足要求。
发明内容
本发明要解决的技术问题是克服现有的缺陷,提供一种自磨机和半自磨机防变形或开裂的衬板结构及其制造方法,,可以有效解决背景技术中的问题。
为实现上述目的,本发明提供如下技术方案:
一种铝箔面洁净化处理方法,包括以下步骤:
S1、冷轧工序前对轧制油进行选择,轧制油的馏程为200-230℃;
S2、采用清洁器对轧制油进行吸附,清洁器设置在轧辊输出侧;
S3、退火前清洗及吹扫,先采用热水对铝箔表面进行刷洗,然后再使用热风对铝箔表面进行烘干;
S4、将铝箔置于退火炉中,先低温除油,退火温度为160-230℃,保温5-10h,然后高温退火,退火温度230-280℃,保温20-30h,然后出炉冷却到室温。
优选的,在步骤S2中清洁器包括放卷辊和收卷辊,放卷辊的辊体缠绕有吸油纸,放卷辊的吸油纸紧贴铝箔面,收卷辊收卷吸油纸。
优选的,所述放卷辊和收卷辊的同侧轴端通过连接架连接,收卷辊为主 动辊,放卷辊为从动辊,清洁器还包括压簧,压簧紧压连接架使放卷辊紧贴铝箔面。
优选的,在步骤S3中热水温度为40-80℃,热风温度为80-120℃。
优选的,在步骤S4中使用保护气氛进行退火处理,保护气氛为含适量CO2和CO的氮气。
优选的,在步骤S4中低温除油过程中按照升温速率10℃/h升温到160-230℃,然后保温。
与现有技术相比,本发明的有益效果是:在轧辊轧制完成后通过下压的放卷辊来使吸油纸紧贴在铝箔面上,然后采用收卷辊收卷吸油纸,在处理前进行一次吸附作业,能够初步去除轧制油,然后再通过水洗和烘干,采用物理方法去除大部分的轧制油,确保退火前的铝箔轧制油含量,在退火过程中选择先低温退火,且低温退火温度不高于轧制油的馏程,确保大部分轧制油能够热解挥发,采用长时间的低温退火,在高温退火阶段既保证了铝箔的结晶质量,又能保证残余的轧制油挥发,解决了铝箔退火后表面出现油粘或出现黄斑的问题,保证了铝箔的表面洁净度要求。
附图说明
图1为本发明实施步骤示意图;
图2为本发明清洁器结构示意图。
图中:1放卷辊、2连接架、3压簧、4收卷辊、5吸油纸。
具体实施方式
下面将结合本发明实施例中的附图,对本发明的技术方案进行说明,在描述中,需要理解的是,若有术语“上”、“下”、“前”、“后”、“左”、“右”等指示的方位或位置关系,仅是与本发明的附图对应,为了便于描述本发明,而不是指示或暗示所指的装置或元件必须具有特定的方位:
请参阅图1-2,本发明提供一种技术方案:
实施例1:一种铝箔面洁净化处理方法,包括以下步骤:
S1、冷轧工序前对轧制油进行选择,轧制油的馏程为200℃;
S2、采用清洁器对轧制油进行吸附,清洁器设置在轧辊输出侧;
S3、退火前清洗及吹扫,先采用热水对铝箔表面进行刷洗,然后再使用热风对铝箔表面进行烘干;
S4、将铝箔置于退火炉中,先低温除油,退火温度为200℃,保温6h,然后高温退火,退火温度240℃,保温20h,然后出炉冷却到室温。
优选的,在步骤S2中清洁器包括放卷辊1和收卷辊4,放卷辊1的辊体缠绕有吸油纸5,放卷辊1的吸油纸5紧贴铝箔面,收卷辊4收卷吸油纸5;所述放卷辊1和收卷辊4的同侧轴端通过连接架2连接,收卷辊4为主动辊,放卷辊1为从动辊,清洁器还包括压簧3,压簧3紧压连接架2使放卷辊1紧贴铝箔面。
优选的,在步骤S3中热水温度为50℃,热风温度为80℃。
优选的,在步骤S4中使用保护气氛进行退火处理,保护气氛为含适量CO2和CO的氮气。
优选的,在步骤S4中低温除油过程中按照升温速率10℃/h升温到200℃,然后保温。
实施例2:一种铝箔面洁净化处理方法,包括以下步骤:
S1、冷轧工序前对轧制油进行选择,轧制油的馏程为210℃;
S2、采用清洁器对轧制油进行吸附,清洁器设置在轧辊输出侧;
S3、退火前清洗及吹扫,先采用热水对铝箔表面进行刷洗,然后再使用热风对铝箔表面进行烘干;
S4、将铝箔置于退火炉中,先低温除油,退火温度为210℃,保温8h,然后高温退火,退火温度260℃,保温24h,然后出炉冷却到室温。
优选的,在步骤S2中清洁器包括放卷辊1和收卷辊4,放卷辊1的辊体 缠绕有吸油纸5,放卷辊1的吸油纸5紧贴铝箔面,收卷辊4收卷吸油纸5;所述放卷辊1和收卷辊4的同侧轴端通过连接架2连接,收卷辊4为主动辊,放卷辊1为从动辊,清洁器还包括压簧3,压簧3紧压连接架2使放卷辊1紧贴铝箔面。
优选的,在步骤S3中热水温度为70℃,热风温度为100℃。
优选的,在步骤S4中使用保护气氛进行退火处理,保护气氛为含适量CO2和CO的氮气。
优选的,在步骤S4中低温除油过程中按照升温速率10℃/h升温到210℃,然后保温。
实施例3:一种铝箔面洁净化处理方法,包括以下步骤:
S1、冷轧工序前对轧制油进行选择,轧制油的馏程为230℃;
S2、采用清洁器对轧制油进行吸附,清洁器设置在轧辊输出侧;
S3、退火前清洗及吹扫,先采用热水对铝箔表面进行刷洗,然后再使用热风对铝箔表面进行烘干;
S4、将铝箔置于退火炉中,先低温除油,退火温度为230℃,保温10h,然后高温退火,退火温度280℃,保温30h,然后出炉冷却到室温。
优选的,在步骤S2中清洁器包括放卷辊1和收卷辊4,放卷辊1的辊体缠绕有吸油纸5,放卷辊1的吸油纸5紧贴铝箔面,收卷辊4收卷吸油纸5;所述放卷辊1和收卷辊4的同侧轴端通过连接架2连接,收卷辊4为主动辊,放卷辊1为从动辊,清洁器还包括压簧3,压簧3紧压连接架2使放卷辊1紧贴铝箔面。
优选的,在步骤S3中热水温度为80℃,热风温度为120℃。
优选的,在步骤S4中使用保护气氛进行退火处理,保护气氛为含适量CO2和CO的氮气。
优选的,在步骤S4中低温除油过程中按照升温速率10℃/h升温到230℃, 然后保温。
本发明未详述部分为现有技术,对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明;因此,无论从哪一点来看,均应将上述实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内,不应将权利要求中的任何附图标记视为限制所涉及的权利要求内容。

Claims (6)

  1. 一种铝箔面洁净化处理方法,其特征在于:包括以下步骤:
    S1、冷轧工序前对轧制油进行选择,轧制油的馏程为200-230℃;
    S2、采用清洁器对轧制油进行吸附,清洁器设置在轧辊输出侧;
    S3、退火前清洗及吹扫,先采用热水对铝箔表面进行刷洗,然后再使用热风对铝箔表面进行烘干;
    S4、将铝箔置于退火炉中,先低温除油,退火温度为160-230℃,保温5-10h,然后高温退火,退火温度230-280℃,保温20-30h,然后出炉冷却到室温。
  2. 根据权利要求1所述的一种铝箔面洁净化处理方法,其特征在于:在步骤S2中清洁器包括放卷辊(1)和收卷辊(4),放卷辊(1)的辊体缠绕有吸油纸(5),放卷辊(1)的吸油纸(5)紧贴铝箔面,收卷辊(4)收卷吸油纸(5)。
  3. 根据权利要求2所述的一种铝箔面洁净化处理方法,其特征在于:所述放卷辊(1)和收卷辊(4)的同侧轴端通过连接架(2)连接,收卷辊(4)为主动辊,放卷辊(1)为从动辊,清洁器还包括压簧(3),压簧(3)紧压连接架(2)使放卷辊(1)紧贴铝箔面。
  4. 根据权利要求1所述的一种铝箔面洁净化处理方法,其特征在于:在步骤S3中热水温度为40-80℃,热风温度为80-120℃。
  5. 根据权利要求1所述的一种铝箔面洁净化处理方法,其特征在于:在步骤S4中使用保护气氛进行退火处理,保护气氛为含适量CO2和CO的氮气。
  6. 根据权利要求1所述的一种铝箔面洁净化处理方法,其特征在于:在步骤S4中低温除油过程中按照升温速率10℃/h升温到160-230℃,然后保温。
PCT/CN2023/104419 2022-12-06 2023-06-30 一种铝箔面洁净化处理方法 WO2024119799A1 (zh)

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CN117548485B (zh) * 2023-11-17 2024-05-03 益阳市东方电子有限公司 一种用于电解电容器的铝箔轧制装置
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