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Low speed large capacity centrifuge learned fine coal centrifuge and coarse slime recovery screen effect comparison, in the same person under the condition of material properties, mutatis mutandis, the coarse slime recovery screen small screening results, commodity and fine coal centrifuge goods can be seen: the fine coal centrifuge commodities in the O.3mm content is 44.15%, the ratio of coarse slime recovery screen: 0.3mm content of 21.84% higher than 21.31%, explain the recovery effect of fine coal centrifuge on the O.3mm particle level significant recovery of coarse slime is better than the screen, but also must be recovered to extremely fine-grained level, this no doubt added amount of coarse slime recovery.
Low speed large capacity centrifuge found analysis of fine coal centrifuge work, after more than one year production practice, it is concluded that using the technical indexes of the fine coal centrifuge after use, and comparison of before. Through the comparative analysis: because of the added amount of coarse slime recovery is about 8t / h were mixed to coal commodity to the corresponding progress, the clean coal yield, the accounting deduction because of adding candidates coal variable that clean coal yield, can improve the yield of clean coal of 1.7% ~ 2.O%. Because of the reduced pressure filter in the filter slime yield to certain conditions, the corresponding can add person amount of coal is about 800t / D, the annual processing can be added by the original 1000000 t to 1300000 t. Commercial water has declined significantly improved the quality of coal commodity. Economic benefit analysis, because the use of fine coal centrifuge alternative ZKX2460 recovery original sieve, can add the coarse slime recovery quantity, nature is to reduce the amount of Slime Filter add coal rate and low speed large capacity centrifuge to understand annual treatment to 1300000 T, the yield of clean coal progress 1.7%, coal, coal price respectively is 135 yuan / T, 45 yuan /t accounting, an annual output value of multi hit: 130x1.7%x (135-45) =198.9 yuan. So, fine coal centrifuge equipment costs about 1500000 yuan less than a year to complete recovery.