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发明名称
一种具有消声功能的排气处理装置及用途
摘要
一种排气处理装置,采用双段催化反应床。前段为散式床,使用颗粒型催化剂;后段为使用整块蜂窝催化剂的整体式床,或使用颗粒蜂窝型的散式乱堆床。此种结构可充分利用两类催化剂及两种床型的优点,转化效率高,对排气阻力小,又可有效地避免催化反应热过分集中地产生,对催化剂的强烈破坏性冲击。可用于工业排气及内燃机排气净化,尤其适用于使用非贵金属催化剂及大排污量的轻、重型客、货车的排气净化,同时又兼具消声功能。
申请公布号
CN1037948A
申请公布日期
1989.12.13
申请号
CN89100988.4
申请日期
1989.03.07
申请人
北京市长城催化剂厂
发明人
冯昭仁
分类号
F01N3/28;B01D53/36
主分类号
F01N3/28
代理机构
代理人
主权项
1、一种具有消声功能的排气催化转换装置,它有一外壳体,其上设置有排气进、出口及催化剂加入口。其特征为该装置的催化反应床由散式床和整体式或散式双催化床所组成。两段催化床之间设有空气补充机构与导流板。
地址
北京市沙河镇北(北京1038信箱)
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