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How to have consideration to thickener?
Thickener is commonly used at wet the to child dehydrate in mineral separation, the dehydrate that is like pair of granule concentrate and the inspissation to gangue, or it is bisect chooses the intermediate child in the process to undertake concentrated, ask in order to satisfy followup working procedure to pH indicator. Such, the computation of thickener appears particularly important.
The computational method of thickener has 3 kinds: Have consideration by index of unit area treating capacity, in pressing overflow, settling speed of the biggest grain is calculated, by sedimentation test result computation. Method of these 3 kinds of calculation introduces in detail below.
(1) the thickener gross area that has computational pressing form calculation gives need above all by index of unit area treating capacity, the norms that thickener decides later and stage are counted. A=q/q0, the thickener gross area that A is need (M2) , q is the solid amount that gives thickener (T/d) , q0 is unit area treating capacity T/ (M2.d) .
(2) the computation of settling speed of the biggest grain presses place of type plan cipher out needs first thickener gross area in pressing overflow, decide the norms of thickener and stage are counted next. A=q (R1R2) K1/ (86.4? 0.K) , a, Q is Alexandrine, r1, R2 is respectively before condensing, mix the weight of solid of ore pulp fluid after condensing is compared, k1 is ore pulp number fluctuation factor, k is thickener valid area coefficient, take 0.850.95 commonly, ? 0 it is the free settling speed of the biggest grain in overflow (Mm/s) .
(3) by sedimentation test result computation sedimentations the experiment needs to use have kind of representative ore pulp, undertake in graduate. According to the relation of sedimentary line height and time computation gives what unit treating capacity needs to enrich an area, the thickener gross area of need is calculated again later, decide thickener norms and stage are counted.