Nitrogen oxides pollution status in coal-fired power plant of China is analyzed, which mainly brings about air pollution, and 70% of the discharged comes from the direct combustion of coal.

对中国燃煤电厂氮氧化物污染现状进行了分析，造成大气污染的主要污染物之一是氮氧化物，而氮氧化物的排放中有70%来自煤炭的直接燃烧。

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The accurate measurement of oxygen content in flue gas of coal-fired power plant has significant meaning for the realization of combustion system's closed-loop control and optimization running.

燃煤电厂烟气含氧量的准确测量对实现燃烧系统的闭环控制和优化运行具有重要的意义。

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In view of the problems in boiler operation such as the pressure fluctuation and unstable combustion in 300 MW Heze Power Plant, the design features of W-fired boilers were introduced.

介绍了“W”火焰锅炉燃烧系统的设计特点，该锅炉运行过程中出现了炉膛负压波动大、燃烧不稳定的问题。

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