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    • 32. 发明授权
    • 배기가스의 저온 탈질 시스템 및 그 방법
    • 脱氮系统和低温气体排放方法
    • KR101139575B1
    • 2012-04-27
    • KR1020110080833
    • 2011-08-12
    • 한모기술주식회사
    • 송재준오동규김도증최민영
    • B01D53/86B01D53/56
    • B01D53/8625B01D53/56B01D2251/2062B01D2251/2067B01D2255/1023B01D2255/1025B01D2255/106B01D2255/2073B01D2257/404
    • PURPOSE: A system for denitrifying exhaust gas at low temperatures and a method for the same are provided to reduce the catalyst amount of a selective catalytic reduction reactor and the size of the reactor and to improve the denitrification efficiency of the reactor. CONSTITUTION: A system for denitrifying exhaust gas at low temperatures is installed at 150 to 200 degrees Celsius region of exhaust gas The system includes a heat exchanger(3), an oxidation reactor(4), and a selective catalytic reduction reactor(5). If exhaust gas at 150 to 200 degrees Celsius is introduced from a heat collecting facility(2) to a denitrification system, the heat exchanger raises the temperature of the exhaust gas to be supplied to an oxidation reactor based on calories of exhaust gas at 300 to 400 degrees Celsius from the oxidation reactor. The oxidation reactor changes the composition ratio of NO and NO_2 in the exhaust gas. A part of nitrogen oxides is denitrified. Exhaust gas from the heat exchanger is re-supplied to the heat exchanger.
    • 目的:提供低温废气脱氮系统及其制备方法,以减少选择性催化还原反应器的催化剂量和反应器尺寸,提高反应器的脱氮效率。 构成:将低温废气脱氮系统安装在废气的150〜200摄氏度区域。该系统包括热交换器(3),氧化反应器(4)和选择性催化还原反应器(5)。 如果将150〜200摄氏度的废气从集热设备(2)引入反硝化系统,则热交换器将基于300的排气的热量供给至氧化反应器的废气的温度升高至300〜 距氧化反应器400摄氏度。 氧化反应器改变废气中NO和NO_2的组成比。 一部分氮氧化物脱氮。 来自热交换器的排气被再供给到热交换器。
    • 40. 发明公开
    • 개질기를 이용한 엔진의 유해배출물 저감 장치, 이에사용되는 개질기 및 이를 이용한 엔진의 유해배출물 저감방법
    • 使用改造器的发动机排放减少装置,其使用的改造器及其发动机减少装置
    • KR1020100079282A
    • 2010-07-08
    • KR1020080137711
    • 2008-12-31
    • 연세대학교 산학협력단
    • 전광민송순호신범식이현민박군철
    • F01N3/28F01N3/24B01D53/94
    • B01D53/9459B01D2255/1025B01D2255/2092F01N3/0231F01N3/2053F01N3/2073F01N2240/30F02B37/18Y02A50/2341Y02T10/144
    • PURPOSE: A noxiousness effluent reduction method of an engine using a reformer, and a method for reducing the noxiousness effluent of an engine are provided to secure the stability of HCCI combustion by supplying hydrocarbon to an engine. CONSTITUTION: A noxiousness effluent reduction method of an engine using a reformer comprises a reformer(20), an exhaust gas recirculation device(30), a HC addition selective catalytic reaction device(40) and a smoke filter device(50). The reformer reforms oxygen and hydrocarbon included in the engine exhaust gas to the hydrogen and carbon monoxide. The reformer increases the temperature of the exhaust gas more than before by the exothermic reaction. The EGR is stabilizes an HCCI(Homogeneous Charge Compression Ignition) reaction of combustion of the engine by supplying the exhaust gas reformed in reformer and in the state where the hydrogen content is more increased to the engine(10). The HC-SCR is reformed in reformer and the HC addition selective catalytic reaction device provides the exhaust gas of the state where the hydrogen content is more increased. The HC-SCR changes the nitric oxide into the atmosphere nitrogen and steam by using HC as the reducing agent as the state where the reduction reaction of the nitric oxide is more accelerated. The DPF oxidizes the dust piled in inside by getting the gas of the high temperature exhausted in reformer.
    • 目的:提供使用重整器的发动机的有毒污水减少方法,以及减少发动机的有害污染物的方法,以通过向发动机供应烃来确保HCCI燃烧的稳定性。 构成:使用重整器的发动机的有毒污水降低方法包括重整器(20),废气再循环装置(30),HC添加选择性催化反应装置(40)和烟雾过滤装置(50)。 改造者将发动机废气中包含的氧气和碳氢化合物改为氢气和一氧化碳。 重整器通过放热反应比以前更多地提高废气的温度。 EGR通过供给在重整器中重整的废气以及氢含量更多地增加到发动机(10)的状态来稳定发动机燃烧的HCCI(均质充量压缩点火)反应。 HC-SCR在重整器中重整,HC添加选择性催化反应装置提供了氢含量增加的状态的废气。 HC-SCR通过使用HC作为还原剂将一氧化氮转化为大气氮和蒸汽作为一氧化氮的还原反应更加快速的状态。 DPF通过使重整器中的高温气体排出而氧化堆放在内部的灰尘。