- 行业: 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 machine for converting an alternating current into an alternating current of a different number of phases and the same frequency.
Industry:Mining
A machine for crushing rock or other materials. Among the various types of crushers are the ball-mill, gyratory-crusher, Hadsel mill, hammer mill, jaw crusher, rod mill, rolls, stamp mill, and tube mill.
Industry:Mining
A machine for cutting stone into slabs by passing it on a bed under a gang of saws.
Industry:Mining
A machine for delivering coal, ore, or metals to a furnace, gas retort, coke oven, or other reactor.
Industry:Mining
A machine for dry cleaning coal. Raw coal is fed onto a perforated plate inclined at 12.5 degrees to 15 degrees to the horizontal. A pulsating air current is applied to the underside of the inclined plate, which stratifies the material, the coal forming the upper layer with the dirt below, which then passes into separate compartments. The Kirkup table gives a three-product separation; i.e., coal, middling, and reject.
Industry:Mining
A machine for feeding either liquid or gaseous chlorine to a stream of water.
Industry:Mining
A machine for giving large steel plates a uniform and thorough tempering without permitting them to bend or buckle; usually by pressing them between hot masses of iron, or by firmly clamping them between jaws or plates while immersing them in a tempering bath.
Industry:Mining
