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    • 18. 发明公开
    • 우레아 용액 전처리 장치
    • 尿素预防装置
    • KR1020140048714A
    • 2014-04-24
    • KR1020120114990
    • 2012-10-16
    • 현대중공업 주식회사
    • 양희성송석용고준호
    • F01N3/24F01N3/28
    • F01N3/28F01N2570/14F01N2610/02F01N2610/085F01N2610/10F01N2610/1453
    • The present invention comprises: a hollow exhaust gas pipe for introducing and discharging exhaust gas; an ammonia pipe coupled to surround one end of the exhaust gas pipe, and having an internal space formed into a C-shape and a connector connected to the exhaust gas pipe at the end of an one stepped layer; and a spraying nozzle formed in one end of the other stepped layer of the ammonia pipe to spray an urea solution to the ammonia pipe. The present invention sprays the urea solution or a high-temperature transportation fluid into the ammonia pipe to selectively remove nitrogen oxide (NOx) from the exhaust gas and obtains the time for decomposing the sprayed urea solution to ammonia by installing a barrier inside the ammonia pipe to form the internal space into the C-shape The present invention sprays high-temperature air to the ammonia exhaust pipe after the high-temperature air is made from cold air injected from the outside through a heat exchange pipe to effectively generate the ammonia. Thus, the present invention does not need a high-temperature pump for injecting the high-temperature air. [Reference numerals] (AA) Exhaust gas (Containing nitrogen oxide (Nox))
    • 本发明包括:用于引入和排出废气的中空排气管; 耦合到所述排气管的一端的氨管,并且具有形成为C形的内部空间和在一个阶梯层的端部处连接到所述排气管的连接器; 以及形成在氨管的另一台阶层的一端的喷嘴,以将尿素溶液喷射到氨管。 本发明将尿素溶液或高温输送流体喷射到氨管中以从废气中选择性地除去氮氧化物(NOx),并且通过在氨管内部设置阻挡层获得将喷雾的尿素溶液分解成氨的时间 将内部空间形成为C形本发明通过热交换管从外部冷空气制成高温空气后,向氨排气管喷射高温空气,有效地产生氨。 因此,本发明不需要用于注入高温空气的高温泵。 (附图标记)(AA)废气(含氮氧化物(Nox))