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    • 1. 发明公开
    • 촉매 시스템 및 그 제어방법
    • 柴油车辆催化系统及控制方法
    • KR1020150129158A
    • 2015-11-19
    • KR1020140054915
    • 2014-05-08
    • 현대자동차주식회사
    • 왕상환
    • F01N9/00F01N11/00F01N3/28F01N3/021
    • Y02A50/2322Y02T10/47F01N3/027F01N3/2053F01N13/0097F01N2240/16F01N2250/02
    • 본발명은엔진의연소조건을이용하여배출가스의온도를승온시키는것이아닌, 별도의히터장치를이용하여저온의배출가스를급속승온시키고, 히터장치에의해서도배출가스의적정온도조건이만족하지않을경우배출가스가재순환되도록함으로써 DPF재생효율이증대되도록한다. 이로인해, 온도조건에구애받지않고 DPF의상시수동재생이가능함에따라 DPF의과다퇴적을방지하며, DPF의재생에돌입하는경우배출가스의낮은온도에따른백연발생이저감되도록하는촉매시스템및 그제어방법이소개된다.
    • 本发明使用附加的加热装置,而不是使用发动机的燃烧条件使温度上升,并且如果废气的温度在适当的温度条件下不满足的情况下再循环排气,则可以迅速地提高低温废气的温度 通过加热器装置,从而提高柴油机微粒过滤器(DPF)的再生效率。 因此,根据本发明的催化剂体系和控制方法,无论温度条件如何,都能始终使DPF的手动再生始终在DPF中过度沉积; 并且当DPF的再生开始时,减少由废气的低温引起的白铅的产生。 催化剂体系包括:柴油氧化催化剂; 柴油微粒过滤器; 第一和第二温度传感器分别安装在柴油机氧化催化剂的前端和后端,并测量废气的温度; 分别安装在柴油机氧化催化剂的前端和后端的第一和第二加热部分,并且增加废气的温度; 以及控制部,其通过从第一和第二温度传感器接收排气的温度信息来操作第一加热部或第二加热部。
    • 5. 发明授权
    • 바이패스와 예열 기능을 갖는 이중 케이싱 구조의 반응기
    • 具有双通道和预加热功能的双重结构的反应器
    • KR101357177B1
    • 2014-02-03
    • KR1020120135215
    • 2012-11-27
    • 주식회사 파나시아
    • 이수태최원석김홍기
    • B01D53/94B01D53/54B01D53/86F01N3/28
    • F01N13/141B01D53/8631B01D53/9431F01N3/2053F01N3/2066F01N2410/00Y02T10/24
    • The present invention relates to a reactor being used for an SCR denitrification system for denitrifying exhaust gas. The present invention can increase the reaction rate and replacement lifetime of an SCR catalyst by protecting the SCR catalyst, which is preheated above a specific temperature, from a thermal shock even if high-temperature exhaust gas is introduced during reoperation, because the reactor being used for a system for repeating turning on and off the operation of an SCR denitrification system such as an SCR denitrification system installed on a ship, has the dual structure of the main body of the reactor including the SCR catalyst and the outer casing of the reactor enveloping the main body of the reactor with a space therebetween so that exhaust gas flowing through a by-pass pipe can always preheat the SCR catalyst in the main body of the reactor above a specific temperature while passing a specific space in the outer casing of the reactor. Also the by-pass pipe of the reactor with a dual structure having by-pass and preheating functions has a by-pass inflow part, which is placed at the lower end of the outer casing of the reactor, connected to the outer casing of the reactor and a by-pass outflow part, which is placed at the upper end of the outer casing of the reactor, for flowing out the exhaust gas passed from inside the outer casing of the reactor so that the exhaust gas introduced into a specific space in the outer casing of the reactor can preheat the SCR catalyst in the main body of the reactor while passing by enveloping the whole main body of the reactor.
    • 本发明涉及一种用于反硝化脱氮系统的反硝化反应器。 本发明通过保护在特定温度以上被预热的SCR催化剂,即使在再次操作期间引入了高温废气,也因为使用了反应器,所以可以提高SCR催化剂的反应速度和替换寿命 对于重复打开和关闭安装在船上的SCR反硝化系统的SCR反硝化系统的操作的系统,具有反应器主体的双重结构,包括SCR催化剂和反应器的外壳包络 反应器的主体之间具有间隔,使得流过旁通管的废气可以总是在反应器的主体内的SCR催化剂高于特定温度预热,同时通过反应器的外壳中的特定空间 。 另外,具有旁路和预热功能的具有双重结构的反应器的旁通管具有旁路流入部分,该旁通流入部分设置在反应器外壳的下端,连接到反应器的外壳 反应器和旁通流出部分,其放置在反应器的外壳的上端,用于流出从反应器的外壳内部通过的排气,使得排出气体引入到反应器的外部空间 反应器的外壳可以通过包围反应堆的整个主体通过反应器主体中的SCR催化剂。