Discussion on the application of the separation process of relaxation screen and three-product heavy medium cyclone in coal preparation plant
In view of the problem that it is difficult to meet the requirements of high efficiency screening and classification in Pan Sancoal preparation plant,several technological schemes are discussed to replace the post-screening by using the sag screen and the three-product heavy medium cyclone.This paper makes a detailed comparative analysis of the implementation time,difficulty of transformation,product yield,ash reduction range and system capability improvement of the whole scheme,and comprehensively demonstrates the advantages and disadvantages of each scheme,thus providing constructive suggestions for the selection of the final process transformation scheme of the factory.
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