- 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 funnel-shaped device for removing material from an airstream by centrifugal force.
Industry:Mining
A funnel-shaped hopper attached to the body of a mud mixer into and by means of which the dry, powdered, drill-mud and/or cement ingredients are fed into the mud mixer.
Industry:Mining
A furnace for reheating iron that is to be rerolled, or welded, under a hammer.
Industry:Mining
A furnace for roasting mercury ores in a batch process, differing from the Bustamente furnace in having a series of brick condensing chambers.
Industry:Mining
A furnace for the chloridizing and roasting of silver ores, and also for roasting fine copper ores low in sulfur. Provision is made for an auxiliary fireplace.
Industry:Mining
A furnace for the treatment of roasted blende and other fine ore. It consists of a series of superimposed muffles formed by arches of magnesia brick and built into the walls of the furnace and communicating with a common condensation chamber.
Industry:Mining
A furnace in which air is blown through a bath of molten metal or matte, oxidizing the impurities and maintaining the temperature through the heat produced by the oxidation reaction. Also used in converting copper matte.
Industry:Mining
A furnace in which coal is burned for the manufacture of producer gas. There are two types: (1) the step-grate, natural-draft generator, which is but a development of the ordinary firebox; and (2) the shaft furnace, with or without a grate and worked by a natural or forced draft. The latter type is identical in many respects to a blast smelting furnace.
Industry:Mining
A furnace in which each charge is placed , heated, and withdrawn on completion of work. (Pryor, 1963)
Industry:Mining
