煤浆制备系统的改造 - 201702 - 肥料与健康
煤浆制备系统的改造
Renovation of Coal Slurry Preparation System
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摘要:

针对多喷嘴对置式水煤浆加压气化装置煤浆制备系统磨煤机开停车过程中存在的不合格煤浆无法回收以及影响灰水系统水质的问题,在煤浆泵出口管线上各增加1根管线及煤浆流量计并连接在3台磨煤机的入料口,相互连通、相互切换。改造措施实施后,磨煤机倒车过程中的不合格煤浆全部得到回收,灰水系统运行稳定,效果明显。

关键词:
Abstract:

In connection with problems of unable to recover unqualified coal slurry produced in startup and shutdown processes of coal mill of coal slurry preparation system of opposed multi-nozzle pressurized coal water slurry gasification unit, and its influence on water quality of ash water system, a pipeline and a coal slurry flow meter are added to outlet pipeline of coal slurry pump and are connected to feed ports of 3 coal mills, which are interconnected and can be switched with each other. After implementation of the renovation measures, all unqualified coal slurry in the reversing process of coal mill has been recovered, the operation of ash water system is stable, having significant effect.

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