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国外正在研究的再燃烧(reburning)控制NO_x技术,系将小部分燃料(可达20％)送入主燃烧区域之后,形成还原性区域,使前面产生的NO_x约有50％变为N_2。美国B$W公司准备在N_Blson Dewey电厂的一台旋风炉上采用再燃烧技术作降低NO_x试验。旋风炉具有燃烧稳定、捕渣率高
The NOX technology under the control of reburning abroad is that after a small part of fuel (up to 20%) is sent to the main combustion zone, a reducing zone is formed, so that about 50% of the NOX produced in the previous stage is changed to N_2. U.S. B $ W plans to use the reburning technology on a cyclone at N_Blson Dewey to reduce the NO_x test. Cyclone stove with combustion stability, high rate of slag