CN108004534B - 一种提升气液分配盘盘体耐腐特性的处理方法 - Google Patents
一种提升气液分配盘盘体耐腐特性的处理方法 Download PDFInfo
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Abstract
本发明公开了一种提升气液分配盘盘体耐腐特性的处理方法,包括如下步骤:(1)打磨处理、(2)酸碱浸泡处理、(3)钝化处理、(4)保温处理。本发明方法处理后的气液分配盘盘体具有很好的耐腐特性,长期使用不会产生锈蚀,综合品质好,使用寿命长,极具推广应用价值。
Description
技术领域
本发明属于机械设备表面处理技术领域,具体涉及一种提升气液分配盘盘体耐腐特性的处理方法。
背景技术
现代社会为了对石化副产品和液化石油气剩余的残液进行充分利用,一般以残液为原料,将残液制成燃气。在制气过程中,需要采用气液分配盘对气液混合原料进行处理,否则液相不均匀会对后续反应产生不良影响。盘体是气液分配盘的主体,其余部件装配固定在盘体上,盘体是由不锈钢等金属材料制成,在使用前需要进行防腐等表面处理。钝化是常见的一种表面处理方式,但现有的多数钝化处理工艺产生的钝化膜品质不佳,对盘体的防护效果不好,需要进一步的改进。
发明内容
本发明的目的是针对现有的问题,提供了一种提升气液分配盘盘体耐腐特性的处理方法。
本发明是通过以下技术方案实现的:
一种提升气液分配盘盘体耐腐特性的处理方法,包括如下步骤:
(1)打磨处理:
先用砂纸对盘体进行表面打磨处理,完成后用压缩空气吹去碎屑后备用;
(2)酸碱浸泡处理:
先将步骤(1)处理后的盘体放入到酸液中浸泡处理7~10min,完成后取出放入到碱液中浸泡处理4~6min,最后取出用去离子水冲洗一遍后备用;
(3)钝化处理:
将步骤(2)处理后的盘体浸入到钝化液中进行钝化处理,期间加热保持钝化液的温度为50~55℃,钝化处理1~2min后取出备用;所述钝化液由如下重量份的物质组成:8~11份硫酸、2~4份双氧水、3~5份植酸、1~3份酒石酸、7~10份硅烷偶联剂、2~5份硼酸三乙酯、1~3份二甲基丙烯酸乙二醇酯、300~400份水;
(4)保温处理:
将步骤(3)处理后的盘体放入到恒温箱内进行保温处理,45~50min后取出即可。
进一步的,步骤(1)中所述打磨处理的具体操作是先用300目砂纸进行打磨,然后用500目砂纸进行打磨,最后用1000目砂纸进行打磨。
进一步的,步骤(2)中所述酸液是质量分数为3~5%的硝酸溶液。
进一步的,步骤(2)中所述碱液是质量分数为4~6%的氢氧化钠溶液。
进一步的,步骤(3)中所述硅烷偶联剂为硅烷偶联剂kh550、硅烷偶联剂kh560、硅烷偶联剂kh570中的任意一种。
进一步的,步骤(4)中所述保温处理时控制恒温箱内的温度为78~82℃。
本发明对气液分配盘盘体进行了特殊的表面处理,尤其是改进了钝化处理工艺,其中独特配制了一种钝化液,以硫酸、双氧水、植酸、酒石酸配合对盘体进行表面酸浸氧化处理,保证了钝化膜生成的效率和品质,添加的硅烷偶联剂成分能与金属发生偶联反应生成硅烷膜,其与钝化膜进行复合增强了整体的防护效果,还添加了硼酸三乙酯和二甲基丙烯酸乙二醇酯成分,此两种成分具有良好的反应活性和大量的活性基团,能促进增强硅烷膜和钝化膜间的交联结合,并提升了整体与金属盘体表面间的结合强度,进一步改善了钝化处理的效果。
本发明相比现有技术具有以下优点:
本发明方法处理后的气液分配盘盘体具有很好的耐腐特性,长期使用不会产生锈蚀,综合品质好,使用寿命长,极具推广应用价值。
具体实施方式
实施例1
一种提升气液分配盘盘体耐腐特性的处理方法,包括如下步骤:
(1)打磨处理:
先用砂纸对盘体进行表面打磨处理,完成后用压缩空气吹去碎屑后备用;
(2)酸碱浸泡处理:
先将步骤(1)处理后的盘体放入到酸液中浸泡处理7min,完成后取出放入到碱液中浸泡处理4min,最后取出用去离子水冲洗一遍后备用;
(3)钝化处理:
将步骤(2)处理后的盘体浸入到钝化液中进行钝化处理,期间加热保持钝化液的温度为50℃,钝化处理1min后取出备用;所述钝化液由如下重量份的物质组成:8份硫酸、2份双氧水、3份植酸、1份酒石酸、7份硅烷偶联剂、2份硼酸三乙酯、1份二甲基丙烯酸乙二醇酯、300份水;
(4)保温处理:
将步骤(3)处理后的盘体放入到恒温箱内进行保温处理,45min后取出即可。
进一步的,步骤(1)中所述打磨处理的具体操作是先用300目砂纸进行打磨,然后用500目砂纸进行打磨,最后用1000目砂纸进行打磨。
进一步的,步骤(2)中所述酸液是质量分数为3%的硝酸溶液。
进一步的,步骤(2)中所述碱液是质量分数为4%的氢氧化钠溶液。
进一步的,步骤(3)中所述硅烷偶联剂为硅烷偶联剂kh550。
进一步的,步骤(4)中所述保温处理时控制恒温箱内的温度为78℃。
实施例2
一种提升气液分配盘盘体耐腐特性的处理方法,包括如下步骤:
(1)打磨处理:
先用砂纸对盘体进行表面打磨处理,完成后用压缩空气吹去碎屑后备用;
(2)酸碱浸泡处理:
先将步骤(1)处理后的盘体放入到酸液中浸泡处理9min,完成后取出放入到碱液中浸泡处理5min,最后取出用去离子水冲洗一遍后备用;
(3)钝化处理:
将步骤(2)处理后的盘体浸入到钝化液中进行钝化处理,期间加热保持钝化液的温度为53℃,钝化处理1.6min后取出备用;所述钝化液由如下重量份的物质组成:10份硫酸、3份双氧水、4份植酸、2份酒石酸、9份硅烷偶联剂、4份硼酸三乙酯、2份二甲基丙烯酸乙二醇酯、350份水;
(4)保温处理:
将步骤(3)处理后的盘体放入到恒温箱内进行保温处理,48min后取出即可。
进一步的,步骤(1)中所述打磨处理的具体操作是先用300目砂纸进行打磨,然后用500目砂纸进行打磨,最后用1000目砂纸进行打磨。
进一步的,步骤(2)中所述酸液是质量分数为4%的硝酸溶液。
进一步的,步骤(2)中所述碱液是质量分数为5%的氢氧化钠溶液。
进一步的,步骤(3)中所述硅烷偶联剂为硅烷偶联剂kh560。
进一步的,步骤(4)中所述保温处理时控制恒温箱内的温度为80℃。
实施例3
一种提升气液分配盘盘体耐腐特性的处理方法,包括如下步骤:
(1)打磨处理:
先用砂纸对盘体进行表面打磨处理,完成后用压缩空气吹去碎屑后备用;
(2)酸碱浸泡处理:
先将步骤(1)处理后的盘体放入到酸液中浸泡处理10min,完成后取出放入到碱液中浸泡处理6min,最后取出用去离子水冲洗一遍后备用;
(3)钝化处理:
将步骤(2)处理后的盘体浸入到钝化液中进行钝化处理,期间加热保持钝化液的温度为55℃,钝化处理2min后取出备用;所述钝化液由如下重量份的物质组成:11份硫酸、4份双氧水、5份植酸、3份酒石酸、10份硅烷偶联剂、5份硼酸三乙酯、3份二甲基丙烯酸乙二醇酯、400份水;
(4)保温处理:
将步骤(3)处理后的盘体放入到恒温箱内进行保温处理,50min后取出即可。
进一步的,步骤(1)中所述打磨处理的具体操作是先用300目砂纸进行打磨,然后用500目砂纸进行打磨,最后用1000目砂纸进行打磨。
进一步的,步骤(2)中所述酸液是质量分数为5%的硝酸溶液。
进一步的,步骤(2)中所述碱液是质量分数为6%的氢氧化钠溶液。
进一步的,步骤(3)中所述硅烷偶联剂为硅烷偶联剂kh570。
进一步的,步骤(4)中所述保温处理时控制恒温箱内的温度为82℃。
本发明方法处理后的盘体的耐酸耐碱的防腐特性较普通钝化方法增强了20%以上,在正常使用过程中更不易锈蚀损伤,使用寿命对应延长了25%左右,极具推广使用价值。
Claims (6)
1.一种提升气液分配盘盘体耐腐特性的处理方法,其特征在于,包括如下步骤:
(1)打磨处理:
先用砂纸对盘体进行表面打磨处理,完成后用压缩空气吹去碎屑后备用;
(2)酸碱浸泡处理:
先将步骤(1)处理后的盘体放入到酸液中浸泡处理7~10min,完成后取出放入到碱液中浸泡处理4~6min,最后取出用去离子水冲洗一遍后备用;
(3)钝化处理:
将步骤(2)处理后的盘体浸入到钝化液中进行钝化处理,期间加热保持钝化液的温度为50~55℃,钝化处理1~2min后取出备用;所述钝化液由如下重量份的物质组成:8~11份硫酸、2~4份双氧水、3~5份植酸、1~3份酒石酸、7~10份硅烷偶联剂、2~5份硼酸三乙酯、1~3份二甲基丙烯酸乙二醇酯、300~400份水;
(4)保温处理:
将步骤(3)处理后的盘体放入到恒温箱内进行保温处理,45~50min后取出即可。
2.根据权利要求1所述的一种提升气液分配盘盘体耐腐特性的处理方法,其特征在于,步骤(1)中所述打磨处理的具体操作是先用300目砂纸进行打磨,然后用500目砂纸进行打磨,最后用1000目砂纸进行打磨。
3.根据权利要求1所述的一种提升气液分配盘盘体耐腐特性的处理方法,其特征在于,步骤(2)中所述酸液是质量分数为3~5%的硝酸溶液。
4.根据权利要求1所述的一种提升气液分配盘盘体耐腐特性的处理方法,其特征在于,步骤(2)中所述碱液是质量分数为4~6%的氢氧化钠溶液。
5.根据权利要求1所述的一种提升气液分配盘盘体耐腐特性的处理方法,其特征在于,步骤(3)中所述硅烷偶联剂为硅烷偶联剂kh550、硅烷偶联剂kh560、硅烷偶联剂kh570中的任意一种。
6.根据权利要求1所述的一种提升气液分配盘盘体耐腐特性的处理方法,其特征在于,步骤(4)中所述保温处理时控制恒温箱内的温度为78~82℃。
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