![](http://www.syc114.com/wp-content/uploads/2019/09/392366d974beab23f54f85481b20ba93-sz_52665.png)
![](http://www.syc114.com/wp-content/uploads/2019/09/3da7eec98251b71f3e6cc256b503a7db-sz_46680.png)
![](http://www.syc114.com/wp-content/uploads/2019/09/72a8463487e2c63f34876ebcfa44fe03-sz_76310.png)
![](http://www.syc114.com/wp-content/uploads/2019/09/68a85c4b7e5ff38ca3450339f62d1d01-sz_25596.png)
![](http://www.syc114.com/wp-content/uploads/2019/09/338b43f52c77b1a3884f1952582f31f9-sz_56626.png)
1、DCU(尿素喷射控制单元)
2、尿素箱
3、尿素供应单元(含尿素泵)
4、尿素计量喷射单元(喷嘴)
5、液力管路(只保留喷射管路)
6、电气线束
7、传感器
![](http://www.syc114.com/wp-content/uploads/2019/09/9f34a4066c8daf8a031bba0b5586b9c9-sz_37861.png)
![](http://www.syc114.com/wp-content/uploads/2019/09/442664dbc8b3880180215b894a0f09ce-sz_26191.png)
![](http://www.syc114.com/wp-content/uploads/2019/09/3a821fb5d314cbb22ba59aba6217874e-sz_27437.png)
![](http://www.syc114.com/wp-content/uploads/2019/09/6a1e38b9c42686790a9fdc14a05c5504-sz_14848.png)
![](http://www.syc114.com/wp-content/uploads/2019/09/6702f0fc4c230f68e6f72444f7acd159-sz_21435.png)
1、从尿素箱内吸取尿素并加压供给喷嘴
2、在发动机停机后回抽尿素,清空喷射管路,防止管路结晶堵塞。
![](http://www.syc114.com/wp-content/uploads/2019/09/184d9be9398906b315c82a78868d34b2-sz_50542.png)
1、DCU(尿素喷射控制单元)
2、尿素箱
3、尿素供应单元(含尿素泵)
4、尿素计量喷射单元(喷嘴)
5、液力管路(只保留喷射管路)
6、电气线束
7、传感器
1、从尿素箱内吸取尿素并加压供给喷嘴
2、在发动机停机后回抽尿素,清空喷射管路,防止管路结晶堵塞。