同时，还研究了煤粉细度与炉膛出口烟温、飞灰磨损的关系，得出了一些有意义的结论。

Meanwhile, the relations between finenesses of coal_dust, temperatures of flue gas at boiler exit and fly ash erosion are studied.

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作者对试验结果及影响飞灰磨损的主要因素，如粒子速度、灰的磨损性能、粒度等进行了讨论。

The test results and the main factors of influencing ash cutting, such as, particle velocity, property of ash cutting and particle size are discussed at length.

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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。

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.

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