液体サイクロンの捕集性能

概要

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From the probable viewpoint that the collection characteristics will depend upon the design of the unit and the operating conditions, performance tests were carried out using an experimental unit at Resources Research Institute, Agency of Industrial Science and Technology. This paper gives the results of the work, including some suggestions with respect to the collection efficiency. The influences of the following factors upon the collection efficiency η_e were investigated : (1) Feed inlet velocity ν_i, (2) Diameter of overflow finder D_o, underflow nozzle D_u and cylindrical portion D, (3) Dimension of inlet nozzle √<bh>, (4) Effective height of cyclone H_e, (5) Inserted length of overflow finder S, (6) Types of feeding, (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 theoretical formulas : (1) Critical feed inlet velocity corresponding to the maximum collection efficiency η_e(max) may be expressed as Eq (4・4), (2) Collection efficiency η_e may be expressed as Eq. (4・7).
一般社団法人日本機械学会の論文
1957-09-25