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1. 发明申请

WO2011162513A2 REDUCING-AGENT SUPPLY DEVICE AND AN EXHAUST GAS NITROGEN-REMOVAL SYSTEM USING THE SAME 审中-公开
标题翻译：还原剂供应装置和使用其的排气除氮系统
公开(公告)号：WO2011162513A2
公开(公告)日：2011-12-29
申请号：PCT/KR2011004480
申请日：2011-06-20
申请人： PANASIA CO LTD , LEE SOO-TAE , CHOI WON-SUK , KANG GYEONG-WOO
发明人： LEE SOO-TAE , CHOI WON-SUK , KANG GYEONG-WOO
IPC分类号： B01D53/56 , B01D47/06 , B01D53/34 , B01D53/78
CPC分类号： B01D53/74 , B01D53/8625 , B01D2251/2062 , F01N3/2066 , F01N2610/00 , F01N2610/02 , F01N2610/1466 , F01N2610/1493 , Y02T10/24
摘要： The present invention relates to a reducing-agent supply device and to an exhaust gas nitrogen-removal system using the same. The object of the present invention is to provide a reducing-agent supply device which comprises: a reducing-agent supply unit for supplying a reducing agent to a selective supply unit; a water supply unit for supplying water to the selective supply unit; the selective-supply unit which is for selectively supplying, to a spraying unit, one or other of the reducing agent and the water supplied from the reducing-agent supply unit and the water supply unit; and the spraying unit which is for spraying the reducing agent or the water supplied from the selective-supply unit, wherein the selective-supply unit supplies water to the spraying unit during a process in which the spraying unit continuously sprays the reducing agent or when the spraying unit is blocked due to solidification of the reducing agent which remains because of temporary malfunction of the device, thereby preventing blockage of the spraying unit. The object of the present invention is also to provide an exhaust gas nitrogen-removal system using the device.
摘要翻译：本发明涉及还原剂供给装置和使用其的排气除氮系统。本发明的目的是提供一种还原剂供给装置，其包括：还原剂供给单元，用于向选择性供给单元供给还原剂; 用于向选择性供应单元供水的供水单元; 选择供给单元，其选择性地向喷雾单元供给从还原剂供给单元和供水单元供给的一种或多种还原剂和水; 以及用于喷射从选择供应单元供应的还原剂或水的喷射单元，其中选择供应单元在喷雾单元连续地喷射还原剂的过程中或者当由于装置的暂时故障而使剩余的还原剂固化而使喷射装置堵塞，从而防止喷射装置的堵塞。本发明的目的还在于提供一种使用该装置的排气除氮系统。

2. 发明申请

WO2011090258A3 SYSTEM FOR DENITRIFYING EXHAUST GAS CAPABLE OF PREVENTING BLOCKAGES IN A UREA WATER INFLOW PATH AND AN INJECTION NOZZLE, AND DEVICE FOR SUPPLYING UREA WATER CAPABLE OF PREVENTING THE COAGULATION OF UREA WATER 审中-公开
标题翻译：防止废气泄漏的系统，能够防止尿素水流入路径和喷射喷嘴中的堵塞，以及供应尿素水的装置，以防止尿素水的混凝
公开(公告)号：WO2011090258A3
公开(公告)日：2011-11-03
申请号：PCT/KR2010007475
申请日：2010-10-28
申请人： PANASIA CO LTD , KOREA POWER ENG CO INC , LEE SOO-TAE , CHOI WON-SUK , HONG SUNG-HO , KANG GYEONG-WOO , SHIN CHANG-HOON
发明人： LEE SOO-TAE , CHOI WON-SUK , HONG SUNG-HO , KANG GYEONG-WOO , SHIN CHANG-HOON
IPC分类号： B01D53/78 , B01D47/06 , B01D53/56 , F23G7/06
CPC分类号： B01D53/9409 , B01D53/90 , B01D2251/2067 , B01D2259/124 , F23J15/003 , F23J2215/10 , F23J2219/10 , F23J2219/40
摘要： The present invention relates to a system for denitrifying exhaust gas capable of preventing blockages in a urea water inflow path and an injection nozzle, and to device for supplying urea water capable of preventing the coagulation of urea water. The system for denitrifying exhaust gas includes a urea water injection unit supplying urea water and air to a reaction chamber, and the urea water injection unit includes an air supply unit for supplying external air to an injection unit through an air inflow path; a urea water supply unit for supplying urea water to the injection unit through a urea water inflow path; a water supply unit for supplying water to the injection unit through a water inflow path connected to one side of the urea water inflow path; a flow control valve for selectively supplying water or urea water to the injection unit through the urea water inflow path; and said injection unit connected to the air supply unit and to the urea water supply unit for selectively feeding air, urea water, and water into the reaction chamber. Blockages in the urea water inflow path and the injection nozzle due to the continuous feeding of urea water and air into the reaction chamber can be prevented by supplying water to the injection nozzle and to the urea water inflow path.
摘要翻译：本发明涉及能够防止尿素水流入路径和喷嘴的堵塞的排气脱氮系统以及能够防止尿素水凝结的尿素水供给装置。用于反硝化废气的系统包括向反应室供应尿素水和空气的尿素水注入单元，并且尿素水注入单元包括用于通过空气流入路径将外部空气供应到注入单元的空气供应单元; 尿素水供应单元，用于通过尿素水流入路径向注入单元供应尿素水; 供水单元，用于通过连接到尿素水流入路径的一侧的水流入路径向注入单元供水; 流量控制阀，用于通过尿素水流入路径选择性地将水或尿素水供应到注入单元; 并且所述喷射单元连接到空气供应单元和尿素水供应单元，用于选择性地将空气，尿素水和水供应到反应室中。通过向喷嘴和尿素水流入路径供水可以防止由于尿素水和空气连续进入反应室而引起的尿素水流入路径和喷嘴的堵塞。

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