Eighth International congress of applied chemistry : Washington and New York, September 4 to 13, 1912 ..-- . oasted and sintered furnace-charges. Likewise, since there is also to be presented to this Congressa paper by Mr. Anton Eilers upon the bag house, the questionof flue dust collection and fume condensation will be omitted. The commencement of our fourth decade (1900) finds substan-tial progress toward larger furnaces and increased furnacecapacity, with corresponding introduction of mechanical devicesfor the handling of material to and from the furnaces. The first movement toward an incre
Eighth International congress of applied chemistry : Washington and New York, September 4 to 13, 1912 ..-- . oasted and sintered furnace-charges. Likewise, since there is also to be presented to this Congressa paper by Mr. Anton Eilers upon the bag house, the questionof flue dust collection and fume condensation will be omitted. The commencement of our fourth decade (1900) finds substan-tial progress toward larger furnaces and increased furnacecapacity, with corresponding introduction of mechanical devicesfor the handling of material to and from the furnaces. The first movement toward an increased size of furnace in theshape of a wider rather than a longer furnace was made at the 1 Mr. A. S. Dwight by a series of interesting figures based upon gas anal-yses showed that not much over one-half of the air which should have passedthrough the furnace, as figured from blower revolutions, was accounted for,and that the blower efficiency was apparently less than had been assumed.(Personal conversation.) «See also Efficiency of Ore Roasting, by A. S. Dwight, Eng. & Mg. Jour-nal, December 30, I
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