This paper analyzes the impact of the variation of coal proportion on flying-ash erosion in heating surface at the rear of coal-fired boiler.
飞灰磨损是导致锅炉受热面管壁减薄失效的一个重要因素，煤质的好坏又直接影响着飞灰磨损的强度。
The erosion-abrasion, which is one of the main reasons of the leakage of the power-station boiler-conduit-pipe 'contra-flow heating-surface, accounts for 75% or more of the accidents of the boiler.
冲蚀磨损是电站锅炉对流受热面管道泄漏的主要原因之一，占到锅炉事故的75%以上。
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