...水循环泵；直流锅炉；蒸汽吹管 [gap=478]Key words：ultra—supercritical；recycle pump；once-through boiler；steam purging ...
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steam purging with oxygen 蒸汽加氧吹洗
Steam purging connection 蒸汽吹洗设施
stable-pressure steam purging 稳压吹管
boiler steam purging 锅炉蒸汽吹管
steam-purging factor 冲管系数
Problems are analyzed in the steam purging system for the gasifier, and a corresponding improvement scheme is offered, giving energy saving results by a reduction in steam consumption.
分析了煤气炉蒸汽吹净系统中存在的问题，提出了相应的改进方案，达到了降低汽耗的节能效果。
The practical experience shows that in the light of steam purging for supercritical once-through boiler, the superheater and reheater disturbance coefficients can reach 1.0 and 1.6 respectively.
利用减温水控制过热器和再热器出口温度以防止超过材料温限。实践证明，对超临界直流锅炉采用投粉稳压冲管过热器、再热器冲管系数可达1.0和1.6以上，效果良好。
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