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zhong ka scr ji shu ji chu zhi shi
Author(s): LIU Wenzheng
Pages: 36
Year: 2014
Issue:
6
Journal: Heavy Truck
Abstract: SCR后处理系统包括尿素箱、尿素加热阀、传感器及管线等,这些辅助零部件,使用不当可直接影响发动机功率.
1.尿素箱
由抗尿素腐蚀的材料制成,如塑料、不锈钢等.一般容量为15~40升.
2.尿素温度传感器和液位传感器
温度传感器:模拟信号输出给DCU,供电电压一般为5V±0.25V,温度范围-40℃~100℃.
Citations
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