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United States Bureau of Mines
Industry: 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 screen having one screening surface, not necessarily limited to one size or shape of aperture.
Industry:Mining
A screen in which each section of the deck is flatter than the preceding one. The rate of feed is reduced on succeeding sections to maintain proper bed depth for rapid 3386 stratification. It is designed for fine dry screening of 3/4-in (19-mm) by 0-in, 1/2-in (13- mm) by 0-in, and 1/4-in (6 mm) by 0-in moist coal or other material.
Industry:Mining
A screen in which the screening surface is formed into a cylinder or frustum of a cone, mounted upon a rotating shaft or on revolving rollers.
Industry:Mining
A screen of brattice cloth erected across a roadway below a roof cavity or at the ripping lip to divert the air current upwards to dilute and remove an accumulation of combustible gases.
Industry:Mining
A screen or pair of screens to which a combined horizontal and vertical motion is imparted, normally by a crankshaft and connecting rod, the screen decks being horizontal or inclined at a small angle.
Industry:Mining
A screen or set of screens normally used for dividing a product (for example, washed coal) into a range of sizes.
Industry:Mining
A screen or set of screens normally used for dividing a product (for example, washed coal) into a range of sizes.
Industry:Mining
A screen plate with large apertures mounted over the screening deck in order to reduce the load and wear thereon.
Industry:Mining
A screen that is divided into alternate transverse screen cloth panels and metal plate pool sections. Water is directed to the pools, setting up a swirling motion that agitates fines into suspension.
Industry:Mining
A screen to recover a granular product from the circulating water in a washer, usually after a preliminary concentration of the solids and with or without the use of water sprays.
Industry:Mining
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