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    • 11. 发明公开
    • 디젤엔진 배기가스내 NOx의 환원방법
    • 减少柴油发动机废气中的NOX的方法
    • KR1020060097053A
    • 2006-09-13
    • KR1020067012259
    • 2004-11-05
    • 모터즈 리퀴데이션 컴퍼니
    • 조병권이종환
    • F01N3/20F01N13/00B01D53/54
    • F01N3/2066F01N13/009F01N2240/28F01N2250/02F01N2610/03F01N2610/08F01N2610/10H05H1/2406H05H2001/245H05H2001/2468H05H2245/1215Y02T10/24
    • A method of reducing nitrogen oxides in an oxygen-containing exhaust stream (12) using ethanol (26) as a reductant for plasma-assisted selective catalytic reduction. The exhaust gas (12), generated from a diesel engine or other lean-burn power source (10), comprises nitrogen oxides, especially NO. Ozone generated from a plasma reactor (20) is injected into the exhaust stream (16) to convert NO to NO2 and the plasma injection is followed by the addition of ethanol (26). The NO2 is then reduced by contacting the exhaust stream (28) with a dual-bed catalytic reactor (24) comprising BaY (or NaY) and CuY zeolite catalysts in the presence of ethanol as the reductant. The plasma power density and the molar ratio of ethanol to NOx fed to the catalytic reactor (24) are controlled as a function of the catalyst temperature for the best performance of the plasma-catalyst system. An average conversion of NOx to N2 of at least 90 % is achieved over the temperature range of 200-400 °C.
    • 使用乙醇(26)作为用于等离子体辅助选择性催化还原的还原剂来还原含氧排气流(12)中的氮氧化物的方法。 从柴油发动机或其他稀燃燃烧电源(10)产生的废气(12)包括氮氧化物,特别是NO。 将从等离子体反应器(20)产生的臭氧注入排气流(16)中以将NO转化为NO2,然后加入等离子体注入乙醇(26)。 然后通过在乙醇作为还原剂的存在下使废气流(28)与包含BaY(或NaY)和CuY沸石催化剂的双床催化反应器(24)接触来还原NO 2。 作为催化剂温度的函数,等离子体功率密度和进料到催化反应器(24)的乙醇与NOx的摩尔​​比被控制以获得最佳性能的等离子体催化剂体系。 在200-400℃的温度范围内实现了NOx至N2的平均转化率至少为90%。
    • 13. 发明公开
    • 방전효율을 극대화한 플라즈마정화장치
    • 用于最大化排放效率的等离子体净化装置
    • KR1020040026333A
    • 2004-03-31
    • KR1020020057763
    • 2002-09-24
    • 고등기술연구원연구조합
    • 최창식이성풍이남석맹영호
    • B01D53/32
    • B01D53/323B01D2259/818C02F1/48H05H1/24H05H2245/1215
    • PURPOSE: A plasma purifying device for maximizing discharge efficiency is provided which minimizes unnecessary waste of energy and increases removing efficiency of contaminants by expanding discharge range and maximizing conversion ratio of electrical energy required in electric discharge into discharge energy. CONSTITUTION: In a plasma purifying device comprising a reactor having discharge electrode(50) and counter electrode(60) to purification treat harmful materials flown in the reactor by generating electric discharge by supplied power source, the plasma purifying device for maximizing discharge efficiency is characterized in that the counter electrode is formed by mounting a metallic mesh(64) on a plurality of discharge holes(62) through which the harmful materials pass, wherein the discharge electrode comprises a plurality of aciform discharge needles(52), and the respective discharge needles are arranged in such a way that the discharge needles are approximately directed to the center of the discharge holes.
    • 目的:提供一种最大化排出效率的等离子体净化装置,其通过扩大放电范围并使放电所需的电能的转换比达到放电能量,从而最大限度地减少不必要的能量浪费并提高污染物的去除效率。 构成:在具有放电电极(50)和反电极(60)的反应器的等离子体净化装置中,通过由供给电源产生放电来净化在反应器中流动的有害物质,特征在于使用于使排出效率最大化的等离子体净化装置 其特征在于,所述对置电极是通过将金属网(64)安装在有害物质通过的多个排出孔(62)上而形成的,其中,所述放电电极包括多个排放针(52),所述放电 针以排出针大致指向排出孔的中心的方式布置。
    • 15. 发明公开
    • 저온 플라즈마에 의한 배기가스 정화장치 및 정화방법
    • 用于通过低温等离子体净化排气的装置和方法
    • KR1020040006402A
    • 2004-01-24
    • KR1020020040676
    • 2002-07-12
    • 주식회사 세실플라즈마
    • 남균이의용
    • B01D53/32
    • B01D53/32B01D53/30B01D2259/818H05H1/24H05H2245/1215
    • PURPOSE: An apparatus and a method for purifying exhaust gas by low temperature plasma are provided to reduce environmental pollution by producing plasma effectively, thereby improving exhaust gas treatment efficiency. CONSTITUTION: The apparatus comprises a gas treatment pipe(10) installed at an exhaust system; a plural electrodes fixed to the gas treatment pipe(10) to generate plasma; a low voltage power supply part(24) for supplying power supply to the respective electrodes; a temperature sensor(30) for detecting temperature of exhaust gas flown in the gas treatment pipe(10); a heater(40) for selectively heating the exhaust gas flown in the gas treatment pipe(10); a heater driving part(42) for supplying driving current to the heater(40); and a control part(50) for controlling the heater driving part(42) and the low voltage power supply part(24) at the same time by detection values of the temperature sensor(30), wherein the gas treatment pipe(10) has a rectangular cross section and comprises a plural cells(18) separated by a plural partitions(16) so that a pair of electrodes are arranged in each cell, wherein connection holes(16a) are formed on the respective partitions(16) so that adjacent cells(18) are connected to each other, and wherein the electrodes are a pair of bimetal electrodes(20,22) which are apart from each other according to increase of temperature inside the gas treatment pipe(10).
    • 目的:提供一种通过低温等离子体净化废气的装置和方法,以通过有效地产生等离子体来减少环境污染,从而提高废气处理效率。 构成:该装置包括安装在排气系统处的气体处理管(10) 固定在所述气体处理管(10)上以产生等离子体的多个电极; 用于向各个电极供电的低压电源部分(24); 用于检测在气体处理管道(10)中流动的废气的温度的温度传感器(30); 用于选择性地加热在气体处理管道(10)中流动的废气的加热器(40); 加热器驱动部分(42),用于向加热器(40)提供驱动电流; 以及用于通过温度传感器(30)的检测值同时控制加热器驱动部(42)和低压电源部(24)的控制部(50),其中,所述气体处理管(10)具有 矩形横截面,并且包括由多个分隔件(16)分开的多个单元(18),使得在每个单元中布置一对电极,其中在各个隔板(16)上形成连接孔(16a),使得相邻 电池(18)彼此连接,并且其中电极是根据气体处理管道(10)内的温度升高而彼此分开的一对双金属电极(20,22)。
    • 19. 发明授权
    • 고전압 플라즈마 발생 장치
    • 고전압플라즈마발생장치
    • KR100931622B1
    • 2009-12-14
    • KR1020097016532
    • 2008-03-27
    • 미쯔이 죠센 가부시키가이샤
    • 키무라노리아키
    • H05H1/24H05H1/46F01N3/08H05H1/00
    • H05H1/46F01N3/0892F01N3/20F01N2240/28H05H2001/4682H05H2245/1215
    • NO 산화 처리 장치 등에 이용할 수 있는 고전압 플라즈마를 발생시키는 플라즈마 발생 장치(10)는, 교류 신호의 전류의 공급을 받아 공진을 생기게 하는 것에 의하여 고전압을 발생시키는 선상 전극(22)과, 선상 전극(22)과 이간(離間)하고, 선상 전극(22)으로부터 방사되는 전자파의 누설을 억제하도록, 선상 전극(22)의 둘레를 덮는 내부 공간(24b)을 형성하는 어스(earth) 전극(24)과, 선상 전극(22)의 급전(給電)을 제어하는 제어 장치(40)를 가진다. 제어 장치(40)는, 내부 공간(24b)의 전계를 계측하는 전계 프로브(30)와, 이 계측 신호를 소정의 주파수 대역에 필터링하여 교류 신호로 하는 밴드 패스 필터(44)와, 이 교류 신호를 선상 전극(22)에 전류로서 급전할 때, 내부 공간(24b) 내의 공진 신호에 동기(同期)하도록, 교류 신호를 위상 시프트(shift)하는 가변 위상기(52)와, 위상 시프트한 교류 신호를 증폭하는 증폭기(54)를 구비한다.
      플라즈마 발생 장치, 선상 전극, 어스 전극, 제어 장치, 전계 프로브
    • 用于产生可用于例如NO氧化装置的高压等离子体的等离子体产生装置(10)包括线性电极(22),用于通过在线性电极(22)被提供有AC信号时产生的共振产生高电压 用于限定与线性电极(22)隔开并围绕线性电极(22)的内部空间(24b)的接地电极(24),以防止从线性电极(22)辐射的电磁波的泄漏;以及控制器 装置(40),用于控制对线性电极(22)的供电。 控制装置(40)具有用于测量内部空间(24b)中的电场的场探头(30)和用于将测量信号滤波到预定频带以输出AC信号的带通滤波器(44), 当交流信号作为电流提供给线性电极(22)时,用于移动交流信号的相位使得交流信号与内部空间(24b)中的谐振信号同步的可变移相器(52),以及 一个放大器(54),用于放大相位移动的交流信号。