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    EXHAUST GAS PURIFYING SYSTEM AND METHOD FOR MONITORING SAME
    3.
    发明公开
    EXHAUST GAS PURIFYING SYSTEM AND METHOD FOR MONITORING SAME 审中-公开

    公开(公告)号：EP3339592A1

    公开(公告)日：2018-06-27

    申请号：EP16842234.3

    申请日：2016-08-29

    申请人： Doosan Infracore Co., Ltd.

    发明人： MOON, Seung-eun ,  IM, In-hyuk ,  KIM, Tae-hyung ,  CHOI, Nam-il

    IPC分类号： F01N3/20 ,  F01N11/00 ,  F01N9/00 ,  G01L13/00 ,  G01F1/34

    摘要： An exhaust gas cleaning system comprises a reducing agent injection module installed in an housing which is configured to be mounted in an exhaust pipe through which an exhaust gas is discharged from an engine, the reducing agent injection module being configured to inject a reducing agent into the housing, a selective catalyst reduction device installed in rear of the reducing agent injection module and configured to catalytic react the reducing agent with nitrogen oxide included in the exhaust gas to reduce the nitrogen oxide, a differential pressure sensor to detect a differential pressure between a pressure in the housing in front of the selective catalyst reduction device and a pressure of the housing in rear of the selective catalyst reduction device, and a control device to receive the pressure information from the differential pressure sensor and to output a first warning signal when the detected differential pressure is lower than a predetermined pressure.

    COOLING DEVICE OF REDUCING-AGENT INJECTION MODULE AND SELECTIVE CATALYST REDUCTION SYSTEM HAVING SAME
    5.
    发明公开
    COOLING DEVICE OF REDUCING-AGENT INJECTION MODULE AND SELECTIVE CATALYST REDUCTION SYSTEM HAVING SAME 审中-公开
    KÜHLVORRICHTUNGEINES REDUZIERUNGSMITTELINJEKTIONSMODULS UND SELEKTIVES KATALYSATORREDUZIERUNGSSYSTEM DAMIT

    公开(公告)号：EP3109427A1

    公开(公告)日：2016-12-28

    申请号：EP14882978.1

    申请日：2014-11-06

    申请人： Doosan Infracore Co., Ltd.

    发明人： KIM, Eun-hyoung ,  CHOI, Nam-il

    IPC分类号： F01N3/24

    CPC分类号： F01N3/2066 ,  B01D53/9418 ,  F01N3/208 ,  F01N2610/11 ,  F01N2610/1453 ,  F01P5/10 ,  F28D15/02 ,  Y02T10/24

    摘要： A cooling device for a reducing agent injection module includes a coolant circulation line connected to a module cooling channel for cooling the reducing agent injection module and configured that a coolant circulates therethrough, a closed circuit circulation line respectively connected to a first portion of the coolant circulation line in front of the module cooling channel and to a second portion of the coolant circulation line in rear of the module cooling channel and configured that a portion of the coolant circulation line is selectively used to form a closed circuit, and at least one heat dissipating part provided in the closed circuit to dissipate heat which is transported from the module cooling channel by natural convection of the coolant within the closed circuit.

    摘要翻译： 用于还原剂注入模块的冷却装置包括连接到模块冷却通道的冷却剂循环管线，用于冷却还原剂注入模块并且构造成冷却剂在其中循环;闭合循环管线，分别连接到冷却剂循环的第一部分 在模块冷却通道的前面，并且连接到模块冷却通道后部的冷却剂循环管线的第二部分，并且构造成使得冷却剂循环管线的一部分被选择性地用于形成闭合回路，并且至少一个散热 设置在闭路中的部件，以消散通过封闭回路内的冷却剂的自然对流从模块冷却通道输送的热量。