- longwall coal cutting machine
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длиннозабойная врубовая машина
English-Russian dictionary of geology. 2011.
longwall coal cutting machine
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coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo … Wikipedia
Longwall mining — An automated form of underground coal mining characterized by high recovery and extraction rates, feasible only in relatively flat lying, thick, and uniform coalbeds. A high powered cutting machine is passed across the exposed face of coal,… … Energy terms
Longwall mining — is a form of underground coal mining where a long wall (typically about 250 400 m long) of coal is mined in a single slice (typically 1 2 m thick). The longwall panel (the block of coal that is being mined) is typically 3 4 km long and 250 400 m… … Wikipedia
coal cutter — noun : a hand manipulated but power driven machine that is used to detach coal from the vein usually by sawing or drilling * * * a machine for cutting a kerf, esp. in longwall mining. [1870 75] … Useful english dictionary
coal cutter — a machine for cutting a kerf, esp. in longwall mining. [1870 75] * * * … Universalium
Underground mining equipment — A coal cutting machine is used in conventional mining to undercut, top cut, or shear the coal face so that coal can be fractured easily when blasted. It cuts 9 to 13 feet into the bed. Continuous auger machine is used in mining coalbeds less… … Energy terms
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Meco-Moore Cutter Loader — The Meco Moore cutter loader was an early twentieth century British mining machine. It was invented by Mr M. Moore, and developed by the Mining Engineering Company (MECO) of Worcester. It was a heavy machine (120hp / 89.5 kW) and was first used… … Wikipedia
Deep Navigation Colliery — The entrance to the former Deep Navigation Colliery, Treharris, in July 1984 Deep Navigation Colliery was a coal mine in South Wales, that operated from 1872 until 1991. Located next to the co developed village of Treharris in the borough of … Wikipedia
Underground mining (soft rock) — refers to a group of underground mining techniques used to extract coal, oil shale and other minerals or geological materials from sedimentary ( soft ) rocks. Because deposits in sedimentary rocks are commonly layered and relatively less hard,… … Wikipedia
