2006•Coal Quality TechnologyRequires access
Economic analysis on partially washing slack coal of south part in Sunjiagou Coal Preparation Plant
Jiang Shui-jun
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Abstract
A feasibile scheme of preventing frozen carriage phenomena has been put forward in this paper.In the condition of calorific value of commercial coal 23.00 MJ/kg,it can reduce moisture of commercial coal by adjusting washing ratios of slack coal.In spot checking,when the ash yield of raw coal is controlled below 33%,50% of slack coal can be washed,and the economic benefits of washing slack coal with different ratios are anlysised.