Abstract
In order to take effective dust removal measurement of transfer point of a coal preparation plant, it is necessary to put forward the optimal dust removal scheme. Production workmanship and dust pollution mechanism of the transfer point in a typical coal preparation plant has been analyzed. Based on the analyses, two feasible dust removal schemes of transfer point, namely the guide-chute dust removal scheme and the combined dust removal scheme of guide-chute with dust removal fan, are put forward. By means of the numerical simulation technology of gas-solid two-phase flow field, the dust removal mechanisms of the two schemes have been clarified and the respective effects have been compared. The results show that the latter is more efficient than the former due to its ability to abate or eliminate the positive pressure of transfer point. Accordingly, the optimal dust removal scheme has been chosen which would provide a theoretic base for dust removal and management of coal preparation plant.
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