CN110616421A - 一种小型铝型材的表面处理工艺 - Google Patents

一种小型铝型材的表面处理工艺 Download PDF

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CN110616421A
CN110616421A CN201911006014.3A CN201911006014A CN110616421A CN 110616421 A CN110616421 A CN 110616421A CN 201911006014 A CN201911006014 A CN 201911006014A CN 110616421 A CN110616421 A CN 110616421A
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aluminum profile
parts
mass
washing
acid
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魏道金
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Xuzhou Xuanyuan Aluminum Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • C23C22/36—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
    • C23C22/368—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates containing magnesium cations
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/78—Pretreatment of the material to be coated
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F3/00—Brightening metals by chemical means
    • C23F3/02—Light metals
    • C23F3/03—Light metals with acidic solutions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/20—Use of solutions containing silanes

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

本发明公开了一种小型铝型材的表面处理工艺，涉及铝制品表面处理领域。本发明仅需经过(1)脱脂、(2)抛丸、(3)酸洗、(4)钝化、(5)烘干即可完成小型铝型材的表面处理。本发明的一种小型铝型材的表面处理工艺，为社会提供了一套方便可靠的铝型材表面处理技术，使用该工艺处理的小型铝型材，其质地坚硬，耐磨性能和耐酸性能得到了加强，具有较好的实用性。

Description

一种小型铝型材的表面处理工艺
技术领域
本发明涉及铝制品表面处理领域，具体是一种小型铝型材的表面处理工艺。
背景技术
随着国民经济和高新技术的快速发展，我国铝冶炼和铝型材加工业发展十分迅速，其在2006年已达879.3万吨，超过美国成为世界第一位。在总量高的同时，我国铝制品行业也面临着巨大的浪费，一些陈旧的铝制品通常是直接丢弃，这对环境造成了一定的破坏。
发明内容
针对上述现有技术存在的问题，本发明的目的是提供一种小型铝型材的表面处理工艺，使用该方法可以将破旧的铝型材翻新，变废为宝。
为实现上述目的，本发明采用的技术方案是：一种小型铝型材的表面处理工艺，包括以下步骤:
(1)脱脂：将铝型材放入脱脂池浸泡3-5分钟；所述脱脂池中的脱脂洗液为8-15g/L浓度的氢氧化钠溶液；
(2)抛丸：将铝型材从脱脂池中取出并用水冲洗干净，再使用抛丸机对其进行抛丸处理，所用耗材为粒径0.1-0.2mm的石英砂；
(3)酸洗：将抛丸后的铝型材放入酸洗池进行化学抛光，所用酸洗液含有3％-5％的硫酸、5％-10％的盐酸和6％-12％的硝酸，溶剂为去离子水；酸洗后，将铝型材取出并再次冲洗；
(4)钝化：将冲洗后的铝型材进行钝化处理，钝化完成后冲洗干净；
(5)烘干：将冲洗后的铝型材放入烘干机中烘干，所述烘干温度为105-120℃，待烘干完成后，即完成小型铝型材的表面处理。
优选地，所述(4)钝化中所用钝化剂为按质量份配比称取的氟化镁8-12份、三聚磷酸钠2-3份、氟锆酸2-4份、氟硅酸钠1-3份、盐酸5-6份、硝酸1-2份、磷酸12-15份、乙烯基三乙酰氧基硅烷1-3份、硫酸3-5份和硝酸钙3-5份充分溶解于1000份去离子水中形成的混合溶液。
本发明的一种小型铝型材的表面处理工艺，为社会提供了一套方便可靠的铝型材表面处理技术，使用该工艺处理的小型铝型材，其质地坚硬，耐磨性能和耐酸性能得到了加强，具有较好的实用性。
具体实施方式
下面结合实施例对本发明作进一步详细说明。
实施例1
一种小型铝型材的表面处理工艺，包括以下步骤:
(1)脱脂：将铝型材放入脱脂池浸泡5分钟；所述脱脂池中的脱脂洗液为15g/L浓度的氢氧化钠溶液；
(2)抛丸：将铝型材从脱脂池中取出并用水冲洗干净，再使用抛丸机对其进行抛丸处理，所用耗材为粒径0.1-0.2mm的石英砂；
(3)酸洗：将抛丸后的铝型材放入酸洗池进行化学抛光，所用酸洗液含有5％的硫酸、10％的盐酸和12％的硝酸，溶剂为去离子水；酸洗后，将铝型材取出并再次冲洗；
(4)钝化：将冲洗后的铝型材进行钝化处理，所用钝化剂为按质量份配比称取的氟化镁12份、三聚磷酸钠3份、氟锆酸4份、氟硅酸钠3份、盐酸6份、硝酸2份、磷酸15份、乙烯基三乙酰氧基硅烷3份、硫酸5份和硝酸钙5份充分溶解于1000份去离子水中形成的混合溶液；钝化完成后冲洗干净；
(5)烘干：将冲洗后的铝型材放入烘干机中烘干，所述烘干温度为120℃，待烘干完成后，即完成小型铝型材的表面处理。
实施例2
一种小型铝型材的表面处理工艺，包括以下步骤:
(1)脱脂：将铝型材放入脱脂池浸泡3分钟；所述脱脂池中的脱脂洗液为8g/L浓度的氢氧化钠溶液；
(2)抛丸：将铝型材从脱脂池中取出并用水冲洗干净，再使用抛丸机对其进行抛丸处理，所用耗材为粒径0.1-0.2mm的石英砂；
(3)酸洗：将抛丸后的铝型材放入酸洗池进行化学抛光，所用酸洗液含有3％的硫酸、5％的盐酸和6％的硝酸，溶剂为去离子水；酸洗后，将铝型材取出并再次冲洗；
(4)钝化：将冲洗后的铝型材进行钝化处理，所用钝化剂为按质量份配比称取的氟化镁8份、三聚磷酸钠2份、氟锆酸2份、氟硅酸钠1份、盐酸5份、硝酸1份、磷酸12份、乙烯基三乙酰氧基硅烷1份、硫酸3份和硝酸钙3份充分溶解于1000份去离子水中形成的混合溶液；钝化完成后冲洗干净；
(5)烘干：将冲洗后的铝型材放入烘干机中烘干，所述烘干温度为105℃，待烘干完成后，即完成小型铝型材的表面处理。

Claims (2)

1.一种小型铝型材的表面处理工艺，其特征在于，包括以下步骤:
(1)脱脂：将铝型材放入脱脂池浸泡3-5分钟；所述脱脂池中的脱脂洗液为8-15g/L浓度的氢氧化钠溶液；
(2)抛丸：将铝型材从脱脂池中取出并用水冲洗干净，再使用抛丸机对其进行抛丸处理，所用耗材为粒径0.1-0.2mm的石英砂；
(3)酸洗：将抛丸后的铝型材放入酸洗池进行化学抛光，所用酸洗液含有3％-5％的硫酸、5％-10％的盐酸和6％-12％的硝酸，溶剂为去离子水；酸洗后，将铝型材取出并再次冲洗；
(4)钝化：将冲洗后的铝型材进行钝化处理，钝化完成后冲洗干净；
(5)烘干：将冲洗后的铝型材放入烘干机中烘干，所述烘干温度为105-120℃，待烘干完成后，即完成小型铝型材的表面处理。
2.根据权利要求1所述的一种小型铝型材的表面处理工艺，其特征在于，所述(4)钝化中所用钝化剂为按质量份配比称取的氟化镁8-12份、三聚磷酸钠2-3份、氟锆酸2-4份、氟硅酸钠1-3份、盐酸5-6份、硝酸1-2份、磷酸12-15份、乙烯基三乙酰氧基硅烷1-3份、硫酸3-5份和硝酸钙3-5份充分溶解于1000份去离子水中形成的混合溶液。
CN201911006014.3A 2019-10-22 2019-10-22 一种小型铝型材的表面处理工艺 Pending CN110616421A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112720274A (zh) * 2021-01-14 2021-04-30 辽宁融达新材料科技有限公司 一种泡沫铝表面颜色不均的处理方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105154861A (zh) * 2015-07-06 2015-12-16 安徽景昌铝业有限公司 铝型材无铬钝化处理工艺

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105154861A (zh) * 2015-07-06 2015-12-16 安徽景昌铝业有限公司 铝型材无铬钝化处理工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112720274A (zh) * 2021-01-14 2021-04-30 辽宁融达新材料科技有限公司 一种泡沫铝表面颜色不均的处理方法

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