nd 95 ,of the finest dust as found in ordinary airas determined by the following tests: One pound of dry boiler soot is to besifted into the entrance of the washer anduniformly across its face in one minutestime for each 10,000 cubic feet rating ofthe washer. 90% of the soot is to bewashed from the… … ^ The Sheldon Spray Air Washer. The nozzles are made of bronze, with^6-inch orifice, finished smooth on the inside and of such design as to make a fine mist-like spray atall pressures exceeding 10 lbs. The nozzles are arrangedand distributed so as to completely fill the washing chamberwith a dense…
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