On the basis of the test research on Shengli lignite coal grinding and calculation about large fan mill type-selection,the method of fan mill type-selection was proposed for lignite with low calorific value,low grindability,high moisture and used in high altitude conditions.It suggested the FM410.1300 fan mill be adopted and configured in 6+2mode.When the ventilation volume of a single fan mill satisfies the requirements of coal dryness in BMCR load condition,the air coal ratio is 1.54.Furthermore,according...
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