CN107939487A - 一种车辆尾气净化装置用载体 - Google Patents

一种车辆尾气净化装置用载体 Download PDF

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CN107939487A
CN107939487A CN201710977740.4A CN201710977740A CN107939487A CN 107939487 A CN107939487 A CN 107939487A CN 201710977740 A CN201710977740 A CN 201710977740A CN 107939487 A CN107939487 A CN 107939487A
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秦川
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Xuzhou Jialian Agriculture Development Co ltd
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Abstract

一种车辆尾气净化装置用载体，所述载体包括壳体、安装于壳里部的格栅和固定设置在格栅中的多孔复合棒材，多孔复合棒材截面为圆形，多孔复合棒材与格栅壁之间留有尾气通道，包覆碳化钨系涂层可以提高多孔复合棒材的芯材的耐腐蚀性保证材料的使用寿命；多孔复合层使载体更加有效承载催化剂提高尾气进化效果。

Description

一种车辆尾气净化装置用载体
技术领域
本发明涉一种车辆尾气净化用载体，属于车辆尾气处理技术领域。
背景技术
随着我国的汽车拥有量急剧增加，汽车尾气对环境造成的污染也越来越严重。国外早在20世纪60年代就对汽车污染控制技术进行了研发研究，目前已达到实用阶段。现有的研究表明，通过改善催化剂及其载体的性能和生产工艺，改善汽车内燃机燃烧技术及催化剂排气系统，可净化有害气体。其中安装催化净化器，对有害气体进行处理，是尾气净化最有效的方法，催化剂则是净化效果的关键。而催化剂附着在催化剂载体上，催化剂载体的性能直接影响到催化效果。
发明内容
一种车辆尾气净化装置用载体，所述载体包括壳体、安装于壳里部的格栅和固定设置在格栅中多孔复合棒材，多孔复合棒材截面为圆形，多孔复合棒材与格栅壁之间留有尾气通道，
所述多孔复合棒材包括芯材，所述芯材为铁基合金，芯材外涂覆碳化钨系涂层，碳化钨系涂层外为多孔复合层
铁基合金其各元素成分组成为：其各元素成分组成为：C 0.7-0.8﹪，Al 6-7﹪，Ge 3-4﹪，Zn 2-3﹪，Cu 0.8-0.9﹪，Ni 0.4-0.5﹪，Ti 0.3-0.4﹪，Ba 0.1-0.2﹪，Mg 0.07-0.08﹪，In 0.05-0.06﹪，Sb 0.02-0.03﹪，Pr 0.01-0.02﹪，余量为Fe，
碳化钨系涂层由碳化钨60-70份，铁10-15份，钴10-20份，二氧化锆5份，碳化钽4份，碳化铌4份，氮化硅2份，碳化钼1份组成。
多孔复合层由（质量）方解石粉80份，长石粉50-60份，二氧化钛10-15份，氧化镁5份，三氧化二铬5份，碳化硅3份，硅藻土3份，烧失成孔剂60-70份，成型粘结剂100份，混合后得到混合料，将混合料包覆在碳化钨系涂层外得到棒坯，将棒坯在600℃干燥6小时；将干燥后的棒坯在隧道窑中于630℃烧成，得到多孔复合棒材，多孔复合层的比表面为480-490m2/g，孔容为0.7-0.75cm3/g。
所述的一种车辆尾气净化装置用载体，铁基合金其各元素成分组成为：其各元素成分组成为：C 0.7﹪，Al 6﹪，Ge 3﹪，Zn 2﹪，Cu 0.8﹪，Ni 0.4﹪，Ti 0.3﹪，Ba 0.1﹪，Mg 0.07﹪，In 0.05﹪，Sb 0.02﹪，Pr 0.01﹪，余量为Fe。
所述的一种车辆尾气净化装置用载体，铁基合金其各元素成分组成为：其各元素成分组成为：C 0.8﹪，Al 7﹪，Ge 4﹪，Zn 3﹪，Cu 0.9﹪，Ni 0.5﹪，Ti 0.4﹪，Ba 0.2﹪，Mg 0.08﹪，In 0.06﹪，Sb 0.03﹪，Pr 0.02﹪，余量为Fe。
所述的一种车辆尾气净化装置用载体，铁基合金其各元素成分组成为：其各元素成分组成为：C 0.75﹪，Al 6.5﹪，Ge 3.5﹪，Zn 2.5﹪，Cu 0.85﹪，Ni 0.45﹪，Ti 0.35﹪，Ba 0.15﹪，Mg 0.075﹪，In 0.055﹪，Sb 0.025﹪，Pr 0.015﹪，余量为Fe。
所述的一种车辆尾气净化装置用载体，碳化钨系涂层由碳化钨60份，铁10份，钴10份，二氧化锆5份，碳化钽4份，碳化铌4份，氮化硅2份，碳化钼1份组成。
所述的一种车辆尾气净化装置用载体，碳化钨系涂层由碳化钨70份，铁15份，钴20份，二氧化锆5份，碳化钽4份，碳化铌4份，氮化硅2份，碳化钼1份组成。
所述的一种车辆尾气净化装置用载体，碳化钨系涂层由碳化钨65份，铁13份，钴15份，二氧化锆5份，碳化钽4份，碳化铌4份，氮化硅2份，碳化钼1份组成。
所述的一种车辆尾气净化装置用载体，多孔复合层由（质量）方解石粉80份，长石粉50份，二氧化钛10份，氧化镁5份，三氧化二铬5份，碳化硅3份，硅藻土3份，烧失成孔剂60份，成型粘结剂100份，混合后得到混合料。
所述的一种车辆尾气净化装置用载体，多孔复合层由（质量）方解石粉80份，长石粉60份，二氧化钛15份，氧化镁5份，三氧化二铬5份，碳化硅3份，硅藻土3份，烧失成孔剂70份，成型粘结剂100份，混合后得到混合料。
所述的一种车辆尾气净化用载体，多孔复合层由（质量）方解石粉80份，长石粉55份，二氧化钛13份，氧化镁5份，三氧化二铬5份，碳化硅3份，硅藻土3份，烧失成孔剂65份，成型粘结剂100份，混合后得到混合料。
上述发明内容相对于现有技术的有益效果在于：1）本发明多孔复合棒材包括芯材保证了载体的强度要求；2）芯材可以保证载体在工作过程中稳定性， 3）包覆碳化钨系涂层可以提高多孔复合棒材的芯材的耐腐蚀性保证材料的使用寿命；4）多孔复合层使载体更加有效承载催化剂提高尾气进化效果。
附图说明
图1为多孔复合棒材整体放大图；
图2为车辆尾气净化装置用载体整体图；
图3为多孔复合棒材截面图。
具体实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现详细说明本发明的具体实施方式。
如图1-3所示一种车辆尾气净化装置用载体，所述载体包括壳体1、安装于壳里部的格栅2和固定设置在格栅中多孔复合棒材3，多孔复合棒材截面为圆形，多孔复合棒材与格栅壁之间留有尾气通道4，所述多孔复合棒材包括芯材5（图2未示出，图1、3示出），所述芯材为铁基合金，芯材外涂覆碳化钨系涂层6（图2未示出，图1、3示出），碳化钨系涂层外为多孔复合层7（图2未示出，图1、3示出）。
实施例1
一种车辆尾气净化装置用载体，所述载体包括壳体、安装于壳里部的格栅和固定设置在格栅中多孔复合棒材，多孔复合棒材截面为圆形，多孔复合棒材与格栅壁之间留有尾气通道，
所述多孔复合棒材包括芯材，所述芯材为铁基合金，芯材外涂覆碳化钨系涂层，碳化钨系涂层外为多孔复合层
铁基合金其各元素成分组成为：其各元素成分组成为：C 0.71﹪，Al 6.2﹪，Ge 3.4﹪，Zn 2.2﹪，Cu 0.84﹪，Ni 0.43﹪，Ti 0.32﹪，Ba 0.11﹪，Mg 0.072﹪，In 0.053﹪，Sb0.023﹪，Pr 0.013﹪，余量为Fe，
碳化钨系涂层由碳化钨62份，铁11份，钴12份，二氧化锆5份，碳化钽4份，碳化铌4份，氮化硅2份，碳化钼1份组成。
多孔复合层由（质量）方解石粉80份，长石粉51份，二氧化钛11份，氧化镁5份，三氧化二铬5份，碳化硅3份，硅藻土3份，烧失成孔剂62份，成型粘结剂100份，混合后得到混合料，将混合料包覆在碳化钨系涂层外得到棒坯，将棒坯在600℃干燥6小时；将干燥后的棒坯在隧道窑中于630℃烧成，得到多孔复合棒材，多孔复合层的比表面为480-490m2/g，孔容为0.7-0.75cm3/g。

Claims (4)

1.一种车辆尾气净化装置用载体，所述载体包括壳体、安装于壳里部的格栅和固定设置在格栅中多孔复合棒材，多孔复合棒材截面为圆形，多孔复合棒材与格栅壁之间留有尾气通道，
所述多孔复合棒材包括芯材，所述芯材为铁基合金，芯材外涂覆碳化钨系涂层，碳化钨系涂层外为多孔复合层
铁基合金其各元素成分组成为：其各元素成分组成为：C 0.71﹪，Al 6.2﹪，Ge 3.4﹪，Zn 2.2﹪，Cu 0.84﹪，Ni 0.43﹪，Ti 0.32﹪，Ba 0.11﹪，Mg 0.072﹪，In 0.053﹪，Sb0.023﹪，Pr 0.013﹪，余量为Fe，
碳化钨系涂层由碳化钨62份，铁11份，钴12份，二氧化锆5份，碳化钽4份，碳化铌4份，氮化硅2份，碳化钼1份组成，
多孔复合层由（质量）方解石粉80份，长石粉51份，二氧化钛11份，氧化镁5份，三氧化二铬5份，碳化硅3份，硅藻土3份，烧失成孔剂62份，成型粘结剂100份，混合后得到混合料，将混合料包覆在碳化钨系涂层外得到棒坯，将棒坯在600℃干燥6小时；将干燥后的棒坯在隧道窑中于630℃烧成，得到多孔复合棒材，多孔复合层的比表面为480-490m2/g，孔容约为0.7-0.75cm3/g。
2.如权利要求1所述的一种车辆尾气净化装置用载体，铁基合金其各元素成分组成为：其各元素成分组成为：C 0.7﹪，Al 6﹪，Ge 3﹪，Zn 2﹪，Cu 0.8﹪，Ni 0.4﹪，Ti 0.3﹪，Ba0.1﹪，Mg 0.07﹪，In 0.05﹪，Sb 0.02﹪，Pr 0.01﹪，余量为Fe。
3.如权利要求1所述的一种车辆尾气净化装置用载体，铁基合金其各元素成分组成为：其各元素成分组成为：C 0.8﹪，Al 7﹪，Ge 4﹪，Zn 3﹪，Cu 0.9﹪，Ni 0.5﹪，Ti 0.4﹪，Ba0.2﹪，Mg 0.08﹪，In 0.06﹪，Sb 0.03﹪，Pr 0.02﹪，余量为Fe。
4.如权利要求1所述的一种车辆尾气净化装置用载体，铁基合金其各元素成分组成为：其各元素成分组成为：C 0.75﹪，Al 6.5﹪，Ge 3.5﹪，Zn 2.5﹪，Cu 0.85﹪，Ni 0.45﹪，Ti0.35﹪，Ba 0.15﹪，Mg 0.075﹪，In 0.055﹪，Sb 0.025﹪，Pr 0.015﹪，余量为Fe。
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