EXHAUST GAS PROCESSING DEVICE FOR CONSTRUCTION MACHINE AND CONSTRUCTION MACHINE
- 专利权人:
- KOBELCO CONTSTRUCTION MACHINERY LTD
- 发明人:
- KAMATA MASASHI
- 申请号：
- JP20140011520
- 公开号：
- JP2015137635(A)
- 申请日:
- 2014.01.24
- 申请国别(地区):
- 日本
- 年份:
- 2015
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide an exhaust gas processing device capable of restricting increasing in temperature of a reductant agent feed section and provide a construction machine.SOLUTION: An exhaust gas processing device Y1 comprises: an exhaust gas processing part 4 positioned above an engine; urea water tank for storing a reductant; urea water feed valve 6 having a urea water injector 61; a cooling part 64 for cooling a urea water feed valve 6; a radiator pipe storing cooling water; a cooling water flow-in pipe 7 for connecting the other end 62 of the cooling part 64 with the radiator pipe; a cooling water flow-out pipe 8 for connecting one end 63 of the cooling part 64 with the radiator pipe; and a feed valve cooling water circulation pump. The cooling water flow-in pipe 7 and the cooling water flow-out pipe 8 are connected with the radiator pipe positioned below the cooling part 64, and the cooling water flow-out pipe 8 has a feed part 81 positioned between a connected part 8a and a top part 8b,
- 来源网站：
- 中国工程科技知识中心
