- 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 wet-and-dry-bulb hygrometer in which air is drawn over the thermometer bulbs by an integral fan.
Industry:Mining
A wet-type dust collector for use at the return end of tunnels or hard headings. It may be either 6,000 ft<sub>3</sub>/min or 12,000 ft<sub>3</sub>/min (2.8 m<sub>3</sub>/s or 5.7 m<sub>3</sub>/s) in capacity. It wets and traps dust as it passes through the appliance, and releases it in the form of a slurry, which is removed by a pump. The microdyne is bolted to the outby end of the exhaust pipe, and the auxiliary fan is bolted to the outby end of the dust collector.
Industry:Mining
A wheel carrying buckets or compartments on the periphery and used in conveying liquid, pulp, or sand from a lower to a higher level.
Industry:Mining
A wheel containing the motor and all the required gearing so that it is an independent drive unit.
Industry:Mining
A wheel so arranged with floats, buckets, etc., that it may be turned by flowing water; used to drive machinery, raise water, etc. The overshot and undershot water wheel, the breast wheel, and the tub wheel are now largely discarded in favor of the turbine.
Industry:Mining
A wheel used to interrupt and change the normal path of travel of the conveying or driving medium. Most generally used to effect a change in direction of conveyor travel from inclined to horizontal or a similar change.
Industry:Mining
A wheeled car with an elevated turntable on which is a track. A mine car run on the upper, horizontally revolving track can be dumped sidewise or endwise.
Industry:Mining
A wheeled car with an elevated turntable on which is a track. A mine car run on the upper, horizontally revolving track can be dumped sidewise or endwise.
Industry:Mining
