CN107685008A - 一种金属护栏表面涂层防护方法 - Google Patents
一种金属护栏表面涂层防护方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
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- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
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Abstract
本发明提供了一种金属护栏表面涂层防护方法,将金属护栏通过分隔板将外表面等分成两部分,分隔板一侧进行防腐涂层喷涂,另一侧进行耐磨涂层喷涂,翻转后进行另一种涂层的喷涂。本发明金属护栏分为抗腐蚀侧和耐磨侧,更符合实际使用的需求,具有市场价值。
Description
技术领域
本发明涉及金属防腐领域,具体是一种金属护栏表面涂层防护方法。
背景技术
金属材料受周围介质的作用而损坏,称为金属腐蚀(Metallic Corrosion)。金属的锈蚀是最常见的腐蚀形态。腐蚀时,在金属的界面上发生了化学或电化学多相反应,使金属转入氧化(离子)状态。这会显著降低金属材料的强度、塑性、韧性等力学性能,破坏金属构件的几何形状,增加零件间的磨损,恶化电学和光学等物理性能,缩短设备的使用寿命,甚至造成火灾、爆炸等灾难性事故。
目前采用的金属防护方法可大致分为三类 :一类是进行阳极氧化处理,即在金属
表面形成一层几十微米厚的阳极氧化膜,但由于阳极氧化工艺耗能大,而且电解质溶液污染严重,难以处理,使用其应用受到限制;第二类是化学转化膜,即将金属零件浸泡在一定组成的溶液中,在一定的温度下依靠化学反应形成一层化学转化膜,现在应用最广泛的是铬酸盐化学氧化,但铬酸盐是一种致癌的毒性物质,世界环境保护组织已提出限制使用铬酸盐和其它含铬酸盐化合物;第三类为有机涂层,即在金属表面涂覆一层有机涂层,以改善金属的外观和物理化学性能。
现有的防腐涂层基本能够满足室外金属护栏的防腐要求,但是实际使用中护栏容易受到刮擦,防腐涂层易受到破坏,影响防腐效果,导致事故发生。现有技术中通常同时涂覆耐磨涂层和防腐涂层来达到耐磨防腐的效果。但是将耐磨涂层涂覆在外层,耐磨涂层容易被腐蚀,将防腐涂层涂覆在外层,防腐涂层容易被磨损。
发明内容
本发明为了解决现有技术的问题,提供了一种金属护栏表面涂层防护方法,将金属护栏分为抗腐蚀侧和耐磨侧,更符合实际使用的需求,具有市场价值。
本发明提供了一种金属护栏表面涂层防护方法,包括以下步骤:
1)将金属护栏通过分隔板将外表面等分成两部分,分隔板一侧进行防腐涂层喷涂,另一侧进行耐磨涂层喷涂;
2)旋转金属护栏,在防腐涂层表面涂覆耐磨涂层并在耐磨涂层表面涂覆防腐涂层;
3)移除分隔板,将金属护栏放入烘箱中烘干;
4)在金属护栏最外层涂覆耐磨涂层的一侧做上“内侧”标识。实际使用时,将靠近行人的一侧认为是内侧,由于内侧摩擦碰撞较多,耐磨涂层在外侧能起到更好的保护作用。远离行人的一侧记为外侧,由于摩擦碰撞较少,防腐防护更加重要。
步骤2)所述的金属护栏旋转180-181°,防止分隔板压住的部位没有涂层保护。
步骤3)所述的烘干过程为在烘箱中以150-180摄氏度的条件下,干燥2-14小时。
本发明有益效果在于:金属护栏分为抗腐蚀侧和耐磨侧,更符合实际使用的需求,具有市场价值。
具体实施方式
下面结合具体实施方式对本发明作进一步说明。
本发明提供了一种金属护栏表面涂层防护方法,包括以下步骤:
1)将金属护栏通过分隔板将外表面等分成两部分,分隔板一侧进行防腐涂层喷涂,另一侧进行耐磨涂层喷涂;
2)旋转金属护栏,在防腐涂层表面涂覆耐磨涂层并在耐磨涂层表面涂覆防腐涂层;
3)移除分隔板,将金属护栏放入烘箱中烘干;
4)在金属护栏最外层涂覆耐磨涂层的一侧做上“内侧”标识。实际使用时,将靠近行人的一侧认为是内侧,由于内侧摩擦碰撞较多,耐磨涂层在外侧能起到更好的保护作用。远离行人的一侧记为外侧,由于摩擦碰撞较少,防腐防护更加重要。
步骤2)所述的金属护栏旋转180-181°,防止分隔板压住的部位没有涂层保护。
步骤3)所述的烘干过程为在烘箱中以150-180摄氏度的条件下,干燥2-14小时。
本发明具体应用途径很多,以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以作出若干改进,这些改进也应视为本发明的保护范围。
Claims (3)
1.一种金属护栏表面涂层防护方法,其特征在于包括以下步骤:
1)将金属护栏通过分隔板将外表面等分成两部分,分隔板一侧进行防腐涂层喷涂,另一侧进行耐磨涂层喷涂;
2)旋转金属护栏,在防腐涂层表面涂覆耐磨涂层并在耐磨涂层表面涂覆防腐涂层;
3)移除分隔板,将金属护栏放入烘箱中烘干;
4)在金属护栏最外层涂覆耐磨涂层的一侧做上“内侧”标识。
2.根据权利要求1所述的金属护栏表面涂层防护方法,其特征在于:步骤2)所述的金属护栏旋转180-181°。
3.根据权利要求1所述的金属护栏表面涂层防护方法,其特征在于:步骤3)所述的烘干过程为在烘箱中以150-180摄氏度的条件下,干燥2-14小时。
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Citations (4)
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US20080020145A1 (en) * | 2004-06-14 | 2008-01-24 | Gregory Pipko | Method For Depositing Anti-Corrosive Coating Onto Metal Surface |
CN103276283A (zh) * | 2013-06-28 | 2013-09-04 | 刘美福 | 一种输送矿物的防腐耐磨管道 |
CN104369463A (zh) * | 2013-08-16 | 2015-02-25 | 江苏佳源铝业有限公司 | 一种耐磨铝铁合金板材 |
CN104553108A (zh) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | 一种防腐隔热耐磨复合涂层和管道 |
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- 2017-09-26 CN CN201710881568.2A patent/CN107685008A/zh active Pending
Patent Citations (4)
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US20080020145A1 (en) * | 2004-06-14 | 2008-01-24 | Gregory Pipko | Method For Depositing Anti-Corrosive Coating Onto Metal Surface |
CN103276283A (zh) * | 2013-06-28 | 2013-09-04 | 刘美福 | 一种输送矿物的防腐耐磨管道 |
CN104369463A (zh) * | 2013-08-16 | 2015-02-25 | 江苏佳源铝业有限公司 | 一种耐磨铝铁合金板材 |
CN104553108A (zh) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | 一种防腐隔热耐磨复合涂层和管道 |
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