CN111266279A - 一种钢结构防锈工艺 - Google Patents

一种钢结构防锈工艺 Download PDF

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CN111266279A
CN111266279A CN201911309834.XA CN201911309834A CN111266279A CN 111266279 A CN111266279 A CN 111266279A CN 201911309834 A CN201911309834 A CN 201911309834A CN 111266279 A CN111266279 A CN 111266279A
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coating
construction
steel structure
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白红波
李河柏
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Chongqing Henglu Steel Structure Engineering Co Ltd
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    • 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
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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
    • 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
    • B05D3/12—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 mechanical means
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
    • C09D143/04—Homopolymers or copolymers of monomers containing silicon
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • B05D2202/00—Metallic substrate
    • B05D2202/10—Metallic substrate based on Fe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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    • B05D2451/00—Type of carrier, type of coating (Multilayers)
    • 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
    • B05D2502/00—Acrylic polymers
    • B05D2502/005—Acrylic polymers modified
    • 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
    • B05D2518/00—Other type of polymers
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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Abstract

本发明公开了一种钢结构防锈工艺，防锈工艺包括以下步骤：(1)表面处理：用钢丝刷、铲刀、砂纸及砂轮网除去金属表面的锈蚀、氧化皮和附着不牢的旧漆膜附着物；(2)涂料的配制：涂料配制前，应先搅拌均匀，如有结皮或其他杂物必须清除后，方可使用；配制好的涂料要充分搅拌均匀，并进行试涂；(3)涂料涂装方法：涂装方法采用机械喷涂和刷涂料相结合的方法进行施工，大面积构建采用机械喷涂，小构件采用刷涂；(4)涂料涂装。施工工艺简单，其防锈，防火，保证钢结构强度，保护人身及设备安全，增加钢结构的使用寿命，减少经济投资。

Description

一种钢结构防锈工艺
技术领域
本发明涉及防锈施工领域，尤其涉及一种钢结构防锈工艺。
背景技术
钢结构作为现代建筑的主要形式，在常温下具有质量轻、强度高，抗震性能好，施工周期短，建筑工业化程度高，空间利用率大等优点。但钢结构建筑抗火性能差的特点也非常明显，因为钢材虽是一种不燃烧的材料，却是热的良导体，极易传导热量。钢材在温度超过300度以后，屈服点和极限强度显著下降，达到600度时强度几乎等于零。未加保护的钢结构在火灾情况下，只需15分钟，自身温度就会上升到540度以上，致使构件本身扭曲变形，导致建筑物坍塌毁坏，变形后的钢结构也无法修复使用。因此，对钢结构必须采取防火保护措施，涂装防火涂料和防锈剂。
发明内容
针对现有技术中的上述不足，本发明提供了一种钢结构防锈工艺，其防锈，防火，保证钢结构强度，保护人身及设备安全。
为了达到上述发明目的，本发明采用的具体方案为：
一种钢结构防锈工艺，防锈工艺包括以下步骤：
(1)表面处理：用钢丝刷、铲刀、砂纸及砂轮网除去金属表面的锈蚀、氧化皮和附着不牢的旧漆膜附着物；
(2)涂料的配制：涂料配制前，应先搅拌均匀，如有结皮或其他杂物必须清除后，方可使用；配制好的涂料要充分搅拌均匀，并进行试涂；
(3)涂料涂装方法：涂装方法采用机械喷涂和刷涂料相结合的方法进行施工，大面积构建采用机械喷涂，小构件采用刷涂；
(4)涂料涂装：涂料涂装前，干净的毛刷、棉纱布将金属面擦拭干净；喷涂时，采用风压喷涂、刷涂相结合的方法进行施工，对于喷枪不易或不能涂刷的部位用毛刷进行涂刷；涂料涂装应按照自上而下，由里到外的施工顺序进行操作；每道涂料涂装结束后，待固化后，再进行下道涂料涂层的施工；涂层涂刷均匀一致，无漏涂、起泡、变色、失光缺陷。
进一步，施工环境温度为10-30℃，相对湿度不大于85％，钢表面温度比露点温度高3℃。
进一步，所述涂料制备：将有机硅改性丙烯酸树脂、聚磷酸铵、双季戊四醇、三聚氰胺、二氧化钛、防锈填料按质量比为1：2：2：2：2：1、1：2：2：2：1：1、1：2：2：1：1：1混合，采用高速分散机分散后，加入乙酸丁酯溶剂，制成涂料；选用质量比为2：1的磷酸铝与硼酸锌作为防锈体系，按照防锈剂与涂料质量比为45：55合成了具有防火和防锈双功能的涂料。
本发明的有益效果为：
施工工艺简单，其防锈，防火，保证钢结构强度，保护人身及设备安全，增加钢结构的使用寿命，减少经济投资。
具体实施方式
以下通过具体实施例进一步描述本发明，但本发明不仅仅限于以下实施例。在本发明的范围内或者在不脱离本发明的内容、精神和范围内，对本发明进行的变更、组合或替换，对于本领域的技术人员来说是显而易见的，且包含在本发明的范围之内。
一种钢结构防锈工艺，防锈工艺包括以下步骤：
(1)表面处理：用钢丝刷、铲刀、砂纸及砂轮网除去金属表面的锈蚀、氧化皮和附着不牢的旧漆膜附着物；
(2)涂料的配制：涂料配制前，应先搅拌均匀，如有结皮或其他杂物必须清除后，方可使用；配制好的涂料要充分搅拌均匀，并进行试涂；
(3)涂料涂装方法：涂装方法采用机械喷涂和刷涂料相结合的方法进行施工，大面积构建采用机械喷涂，小构件采用刷涂；
(4)涂料涂装：涂料涂装前，干净的毛刷、棉纱布将金属面擦拭干净；喷涂时，采用风压喷涂、刷涂相结合的方法进行施工，对于喷枪不易或不能涂刷的部位用毛刷进行涂刷；涂料涂装应按照自上而下，由里到外的施工顺序进行操作；每道涂料涂装结束后，待固化后，再进行下道涂料涂层的施工；涂层涂刷均匀一致，无漏涂、起泡、变色、失光缺陷。
施工环境温度为10-30℃，相对湿度不大于85％，钢表面温度比露点温度高3℃。
所述涂料制备：将有机硅改性丙烯酸树脂、聚磷酸铵、双季戊四醇、三聚氰胺、二氧化钛、防锈填料按质量比为1：2：2：2：2：1、1：2：2：2：1：1、1：2：2：1：1：1混合，采用高速分散机分散后，加入乙酸丁酯溶剂，制成涂料；选用质量比为2：1的磷酸铝与硼酸锌作为防锈体系，按照防锈剂与涂料质量比为45：55合成了具有防火和防锈双功能的涂料。
以上所述仅为本发明专利的较佳实施例而已，并不用以限制本发明专利，凡在本发明专利的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明专利的保护范围之内。

Claims (3)

1.一种钢结构防锈工艺，其特征在于，防锈工艺包括以下步骤：
(1)表面处理：用钢丝刷、铲刀、砂纸及砂轮网除去金属表面的锈蚀、氧化皮和附着不牢的旧漆膜附着物；
(2)涂料的配制：涂料配制前，应先搅拌均匀，如有结皮或其他杂物必须清除后，方可使用；配制好的涂料要充分搅拌均匀，并进行试涂；
(3)涂料涂装方法：涂装方法采用机械喷涂和刷涂料相结合的方法进行施工，大面积构建采用机械喷涂，小构件采用刷涂；
(4)涂料涂装：涂料涂装前，干净的毛刷、棉纱布将金属面擦拭干净；喷涂时，采用风压喷涂、刷涂相结合的方法进行施工，对于喷枪不易或不能涂刷的部位用毛刷进行涂刷；涂料涂装应按照自上而下，由里到外的施工顺序进行操作；每道涂料涂装结束后，待固化后，再进行下道涂料涂层的施工；涂层涂刷均匀一致，无漏涂、起泡、变色、失光缺陷。
2.根据权利要求1所述的一种钢结构防锈工艺，其特征在于，施工环境温度为10-30℃，相对湿度不大于85％，钢表面温度比露点温度高3℃。
3.根据权利要求1所述的一种钢结构防锈工艺，其特征在于，所述涂料制备：将有机硅改性丙烯酸树脂、聚磷酸铵、双季戊四醇、三聚氰胺、二氧化钛、防锈填料按质量比为1：2：2：2：2：1、1：2：2：2：1：1、1：2：2：1：1：1混合，采用高速分散机分散后，加入乙酸丁酯溶剂，制成涂料；选用质量比为2：1的磷酸铝与硼酸锌作为防锈体系，按照防锈剂与涂料质量比为45：55合成了具有防火和防锈双功能的涂料。
CN201911309834.XA 2019-12-18 2019-12-18 一种钢结构防锈工艺 Withdrawn CN111266279A (zh)

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