双流化床锅炉和双流态高效洁净燃烧工艺

Double fluidized bed boiler and double fluidization efficient clean combustion technology

为了从源头控制燃煤电厂烟气污染物,实现"超低排放",在对煤燃烧过程中NOx、SO2生成机理、控制措施进行探讨的基础上,借鉴循环流化床锅炉和鼓泡流化床锅炉的技术特点,提出了双流化床锅炉技术方案及其高效洁净燃烧技术工艺,通过参数解耦等技术可以实现运行指标的优化控制,分别控制NOx和SO2的生成及脱除,从而实现煤的高效燃烧和烟气污染物的"超低排放"。通过理论分析论证和流化床运行实践佐证,双流化床锅炉及双流态高效洁净燃烧工艺可以在燃烧过程中实现污染物的"超低排放"。

In order to reduce pollutant emission of flue gas from coal-fired power plant,a double fluidized bed boiler was developed and the revelent efficient clean combustion technology was introduced on the basis of SO2 and NOxformation mechanism as well as their emission reduction methods. The operation could be optimized by index decouping technology. The formation and remove of SO2 and NOxalso could be controlled. Due to the new equipment and technology,the coal could burn efficiently and the flue gas could be reduced through theoretical analysis and actual production.