- 업종: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A furnace in which zinc is reduced and distilled from calcined ores in crucibles.
Industry:Mining
A furnace in which zinc is reduced and distilled from calcined ores in tubular retorts. These furnaces may be classified as direct fired and gas fired, but there is no sharp division between these systems, which merge into one another by difficultly definable gradations. Each class of furnace may be subdivided into recuperative and nonrecuperative, but heat recuperation in connection with direct firing is rare.
Industry:Mining
A furnace lining, composed of material low in acidic minerals, such as silica, and high in basic minerals, such as lime, chromite, dolomite, magnesite, and magnesia.
Industry:Mining
A furnace of the muffle or reverberatory type, the ore being supported on shelves and stirred mechanically.
Industry:Mining
A furnace or kiln in which ores or metallurgical products are calcined.
Industry:Mining
A furnace or oven in which plates of iron are heated for the purpose of scaling them, as in the preparation of plates for tinning.
Industry:Mining
A furnace taphole in which clay is not properly set, and through which the drill may break and let iron out unexpectedly.
Industry:Mining
A furnace used for sintering ore and for the volatilization of lead and zinc.
Industry:Mining
