液体サイクロンの濃縮性能

概要

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On the hypothesis that the thickening characteristics of hydrocyclone will depend upon the dimension of the unit and operating conditions, performance tests were carried out using experimental unit. This paper gives the results of the work, including some suggestions with respect to the thickening ratio δ_u/δ_f, i.e. the underflow density δ_u divided by the feed density δ_f. The influences of the following factors upon the thickening ratio δ_u/δ_f were investigated : (1) Diameters of vortex finder D_o, underflow nozzle D_u and cylindrical portion D, (2) Feed inlet velocity v_i, (3) Dimension of inlet nozzle √<bh>, (4) Height of cyclone H, (5) Inserted length of vortex finder S, (6) Types of feeding pipe, (7) Pulp density δ_f and particle size d of feed slurries. In addition to the above results, the author has shown the following two experimental formulas : (1) Flow ratio G_u/G_o, i.e. the underflow quantity G_u divided by the overflow quantity G_o, may be expressed as equation (4・5), (2) Thickening ratio δ_u/δ_f may be expressed as equation (5・8).
一般社団法人日本機械学会の論文
1958-01-25