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    • 1. 发明公开
    • 질소 산화물 함유 가스의 처리 방법
    • 处理含有氮氧化物的气体的方法
    • KR1020090038875A
    • 2009-04-21
    • KR1020097000918
    • 2007-04-13
    • 미우라고교 가부시키카이샤
    • 다나카오사무도쿠나가유키히로오카모토유스케야스이겐지
    • B01D53/56B01D53/94F23C13/00F23N5/00
    • B01D53/8625B01D53/8696F23C13/06F23C13/08F23J2219/10F23N1/022F23N5/006F23N2035/06F23N2035/10F23N2035/12F23N2037/12F23N2041/04
    • It is intended first to reduce the amount of nitrogen oxide emission next to zero and reduce the amount of carbon monoxide emission to tolerance levels; second to realize energy saving by combustion at a low air ratio close to 1.0; and third to stably carry out the control of air ratio within the combustion region at a low air ratio. The method is characterized by including the combustion step of combusting a hydrocarbon-containing fuel by a burner to thereby produce a gas containing oxygen, nitrogen oxide and carbon monoxide but not containing hydrocarbons; the hazardous substance reducing step of bringing the gas into contact with an oxidation catalyst to thereby attain oxidization by oxygen of carbon monoxide contained in the gas and reduction by carbon monoxide of nitrogen oxide contained therein; and the concentration ratio regulation step of regulating the concentration ratio of oxygen, nitrogen oxide and carbon monoxide in the gas on the primary side of the oxidation catalyst to a given concentration ratio wherein on the secondary side of the oxidation catalyst the concentration of nitrogen oxide is substantially zero or a given value or below and the concentration of carbon monoxide is also substantially zero or a given value or below.
    • 首先要将氮氧化物排放量减少到零以下,并将一氧化碳排放量减少到公差水平; 二是以接近1.0的低空气比燃烧实现节能; 第三,以低空气比稳定地进行燃烧区域内的空气比的控制。 该方法的特征在于包括通过燃烧器燃烧含烃燃料的燃烧步骤,从而产生含有氧,氮氧化物和一氧化碳但不含烃的气体; 使气体与氧化催化剂接触的有害物质还原步骤,由此使包含在气体中的一氧化碳的氧气氧化并由其中包含的氮氧化物的一氧化碳还原; 以及将氧化催化剂的初级侧的气体中的氧,氮氧化物和一氧化碳的浓度比调节为规定浓度比的浓度比调节步骤,其中在氧化催化剂的二次侧,氮氧化物的浓度为 基本为零或给定值或更低,并且一氧化碳的浓度也基本上为零或给定值或更低。
    • 4. 发明公开
    • 보일러
    • 锅炉
    • KR1020090034881A
    • 2009-04-08
    • KR1020097000917
    • 2007-04-13
    • 미우라고교 가부시키카이샤
    • 다나카오사무도쿠나가유키히로오카모토유스케야스이겐지
    • F23C99/00B01D53/94F23N1/02F23C13/00
    • B01D53/8625B01D53/8696F23N1/022F23N5/006F23N5/242F23N2035/06F23N2035/10F23N2035/12F23N2041/04
    • It is intended first to reduce the amount of nitrogen oxide emission next to zero and reduce the amount of carbon monoxide emission to tolerance levels; second to realize energy saving by combustion at a low air ratio close to 1.0; and third to stably carry out the control of air ratio within the combustion region at a low air ratio. There is provided a boiler comprising a premix burner; a group of water pipes for heat exchanging with a gas produced by the premix burner to thereby restrict the temperature of the gas and suppress the concentration of nitrogen oxide to a given value or below; an oxidation catalyst for oxidizing by oxygen of carbon monoxide contained in the gas after pass through the group of water pipes and for reducing by carbon monoxide of nitrogen oxide contained therein; and air ratio regulation means for regulating of the air ratio of the premix burner, wherein the premix burner and the group of water pipes have characteristics such that when the air ratio is a preset air ratio, the concentration ratio of oxygen, nitrogen oxide and carbon monoxide in the gas on the primary side of the oxidation catalyst becomes a given concentration ratio, and wherein the oxidation catalyst has characteristics such that when the concentration ratio is a given concentration ratio, the concentration of nitrogen oxide on the secondary side of the oxidation catalyst is substantially zeroed while the concentration of carbon monoxide there is reduced substantially to zero or a given value or below, and wherein the given concentration ratio is held constant by regulation to preset air ratio by the air ratio regulation means.
    • 首先要将氮氧化物排放量减少到零以下,并将一氧化碳排放量减少到公差水平; 二是通过燃烧在接近1.0的低空气比实现节能; 第三,以低空气比稳定地进行燃烧区域内的空气比的控制。 提供一种包括预混燃烧器的锅炉; 一组与预混合燃烧器产生的气体进行热交换的水管,从而限制气体的温度并将氮氧化物的浓度抑制在一定值以下; 氧化催化剂,用于在通过一组水管之后气体中包含的一氧化碳的氧气氧化并通过其中所含的氮氧化物的一氧化碳进行还原; 用于调节预混燃烧器的空气比的空气比调节装置,其中预混燃烧器和一组水管具有这样的特性,即当空气比是预设空气比时,氧,氮氧化物和碳的浓度比 氧化催化剂初级侧的气体中的一氧化碳成为给定的浓度比,其中,氧化催化剂具有如下特性:当浓度比为给定浓度比时,氧化催化剂二次侧的氮氧化物浓度 基本上为零,而一氧化碳浓度基本上降低到零或给定值或更低,并且其中给定浓度比通过空气比调节装置调节到预设空气比而保持恒定。
    • 5. 发明授权
    • 보일러
    • KR101373590B1
    • 2014-03-12
    • KR1020097000917
    • 2007-04-13
    • 미우라고교 가부시키카이샤
    • 다나카오사무도쿠나가유키히로오카모토유스케야스이겐지
    • F23C99/00B01D53/94F23N1/02F23C13/00
    • B01D53/8625B01D53/8696F23N1/022F23N5/006F23N5/242F23N2035/06F23N2035/10F23N2035/12F23N2041/04
    • 본 발명은, 첫째로, 질소 산화물의 배출량을 제한없이 0에 근접하게 저감할 수 있고, 일산화탄소 배출량을 허용 범위로 저감하는 것이다. 둘째로, 1.0에 가까운 저공기비의 연소에 의한 에너지 절약을 실현하는 것이다. 셋째로, 저공기비의 연소 영역에서, 공기비 제어를 안정적으로 실행하는 것이다.
      예비혼합 버너와, 예비혼합 버너에서 생성되는 가스와의 열교환에 의해, 상기 가스 온도를 억제하여 질소 산화물 농도를 소정값 이하로 억제하는 수관군, 수관군 통과 후의 상기 가스에 포함되는 일산화탄소를 산소에 의해 산화하고 질소 산화물을 일산화탄소에 의해 환원하는 산화 촉매, 및 예비혼합 버너의 공기비를 조정하는 공기비 조정 수단을 구비하고, 예비혼합 버너 및 수관군은, 공기비를 설정 공기비로 했을 때, 산화 촉매 1차측의 가스 중의 산소, 질소 산화물 및 일산화탄소의 농도비가 소정 농도비가 되는 특성을 가지고, 산화 촉매는, 농도비를 소정 농도비로 했을 때 산화 촉매 2차측의 질소 산화물 농도를 실질적으로 0이 되도록 하고, 일산화탄소 농도를 실질적으로 영 또는 소정값 이하가 되도록 하는 특성을 가지며, 공기비 조정 수단에 의해 설정 공기비로 제어함으로써 소정 농도비를 일정하게 유지한다.
      보일러, 예비혼합 버너, 수관군, 산화 촉매, 공기비 조정, 질소 산화물, 일산화탄소
    • 6. 发明公开
    • 연소 방법 및 연소 장치
    • 燃烧和燃烧装置的方法
    • KR1020100014230A
    • 2010-02-10
    • KR1020097007878
    • 2008-02-18
    • 미우라고교 가부시키카이샤
    • 다나카오사무도쿠나가유키히로오카모토유스케야스이겐지
    • F23C99/00B01D53/94B01J23/42B01J23/44
    • F23J15/02B01D53/8646B01D2257/404B01D2257/502F22B21/04F22B37/008F23J2215/101F23J2215/40F23J2219/10
    • A method of combustion that is applied to a water tube boiler, a regenerator of absorption type refrigerator, etc. The method comprises the concentration ratio regulating step of regulating the concentration ratios of nitrogen oxide, carbon monoxide and oxygen in the gas from a gas generation source to reference given concentration ratios and the hazardous substance reducing step of reducing nitrogen oxide with the use of an oxidation catalyst capable of, providing that the concentration ratios on the primary side are reference concentration ratios, substantially zeroing the nitrogen oxide concentration and carbon monoxide concentration on the secondary side. In the concentration ratio regulating step, the oxygen concentration on the secondary side of the oxidation catalyst is detected, and the concentration ratios are controlled so that the detected oxygen concentration becomes substantially the preset oxygen concentration close to zero. In this combustion method, the emission rate of nitrogen oxide can be reduced to be infinitely close to zero, and the emission rate of carbon monoxide can be reduced so as to fall within the allowable limits. Further, the control of concentration ratios can be stably carried on through detection of the oxygen concentration.
    • 一种应用于水管式锅炉,吸收式冰箱的再生器等的燃烧方法。该方法包括:调节来自气体发生器的气体中的氮氧化物,一氧化碳和氧气的浓度比的浓度比调节步骤 来源参考给定浓度比和使用能够提供初级侧的浓度比为参考浓度比的氧化催化剂还原氮氧化物的危险物质还原步骤,使氮氧化物浓度和一氧化碳浓度基本上归零 在次要方面。 在浓度比调节步骤中,检测氧化催化剂的二次侧的氧浓度,并且控制浓度比,使得检测到的氧浓度基本上变为接近零的预设氧浓度。 在这种燃烧方法中,氮氧化物的排放速度可以降低到无限接近于零,并且一氧化碳的排放速率可以降低到允许的范围内。 此外,通过检测氧浓度可以稳定地进行浓度比的控制。
    • 7. 发明公开
    • 연소 방법 및 연소 장치
    • 燃烧和燃烧装置的方法
    • KR1020090034941A
    • 2009-04-08
    • KR1020097002020
    • 2007-04-13
    • 미우라고교 가부시키카이샤
    • 다나카오사무도쿠나가유키히로오카모토유스케야스이겐지
    • F23C99/00B01D53/94F23N1/02F23N5/00
    • F23N1/022F23J2219/10F23N5/006F23N2035/06F23N2035/10F23N2035/12F23N2041/04
    • It is intended first to reduce the amount of nitrogen oxide emission next to zero and reduce the amount of carbon monoxide emission to tolerance levels; second to realize energy saving by combustion at a low air ratio close to 1.0; and third to stably carry out the control of air ratio within the combustion region at a low air ratio. The method of combustion is characterized by including the combustion step of combusting a hydrocarbon-containing fuel by a burner to thereby produce a gas containing oxygen, nitrogen oxide and carbon monoxide but not containing hydrocarbons; the endothermic step of absorbing heat from the gas produced by the combustion step by endothermic means; the hazardous substance reducing step of bringing the gas after the endothermic step into contact with an oxidation catalyst to thereby attain oxidization by oxygen of carbon monoxide contained in the gas and reduction by carbon monoxide of nitrogen oxide contained therein; and the concentration ratio regulation step of regulating the concentration ratio of oxygen, nitrogen oxide and carbon monoxide in the gas on the primary side of the oxidation catalyst to a given concentration ratio by the use of air ratio regulation means of burner on the basis of concentration ratio characteristic of the burner and endothermic means.
    • 首先要将氮氧化物排放量减少到零以下,并将一氧化碳排放量减少到公差水平; 二是以接近1.0的低空气比燃烧实现节能; 第三,以低空气比稳定地进行燃烧区域内的空气比的控制。 燃烧方法的特征在于包括通过燃烧器燃烧含烃燃料的燃烧步骤,从而产生含氧,氮氧化物和一氧化碳但不含烃的气体; 通过吸热装置吸收由燃烧步骤产生的气体的热量的吸热步骤; 在吸热步骤之后使气体与氧化催化剂接触的危险物质还原步骤,由此使包含在气体中的一氧化碳的氧气氧化并由其中包含的氮氧化物的一氧化碳进行还原; 以及浓度比调节步骤,通过使用基于浓度的燃烧器的空气比调节装置将氧化催化剂的初级侧的气体中的氧,氮氧化物和一氧化碳的浓度比调节至给定的浓度比 燃烧器和吸热装置的比例特性。