本文对某项目的水力除灰、渣系统进行了工艺分析，并对设计布置和设计参数的选择，目前存在的问题进行了探讨。

The technological process of a practicable hydraulic trench system is discussed, and the layout and the selection of design parameters and the problems in operation are described in this paper.

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脱硫灰通过除尘器捕集后进入水力除灰管道系统，对管道结垢存在影响。

Desulphurization ash enters hydraulic ash disposal pipeline system through ESP catching, which has some influence for pipeline scaling.

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