. Machinery for metalliferous mines : a practical treatise for mining engineers, metallurgists and managers of mines. Figs. 245. 246—The Glitters Tin Concentration Mill, erected by the Luhrig Coal and Ore Dressing Appliances, Limited. • From ihe Mining Journal, Dee. 7th, 1901, THE GLITTERS TIN CONCENTRATION MILL. 367 the wolfram plant, when containing tin, have to undergo a separatetreatment from the pure tin concentrates. System for Calcined Tin Ores.—The tin concentrates after calcinationare brought to the feeder (a), which feeds them regularly on to thespitzlutten (Lb). The coarser part of
. Machinery for metalliferous mines : a practical treatise for mining engineers, metallurgists and managers of mines. Figs. 245. 246—The Glitters Tin Concentration Mill, erected by the Luhrig Coal and Ore Dressing Appliances, Limited. • From ihe Mining Journal, Dee. 7th, 1901, THE GLITTERS TIN CONCENTRATION MILL. 367 the wolfram plant, when containing tin, have to undergo a separatetreatment from the pure tin concentrates. System for Calcined Tin Ores.—The tin concentrates after calcinationare brought to the feeder (a), which feeds them regularly on to thespitzlutten (Lb). The coarser part of the pulp is discharged on to thetable (xb), whilst the finer pulp flows to the condensing boxes (ob).The latter supply the vanners (vb), whilst the overflow from these boxes,containing very fine material, goes on to condensing boxes (oc) whichfeed the turning table (v). The concentrates from this system are nowmarketable products and are taken to the store-house, whilst the middlingsare automatically returned into the system. It is intended to disintegrateany resulting coarse sands and to treat them simult
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