continuous longwall

См. также в других словарях:

• 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

• Continuous Miner — Ein Continuous Miner ist eine Gewinnungsmaschine, die im Bergbau Untertage zur Gewinnung von Steinsalz, Gips und Steinkohle eingesetzt wird. Der Continuous Miner gehört aufgrund seiner Bauform zu den Umfangfräsen. Es gibt Continuous Miner in… …   Deutsch Wikipedia

• longwall — /lawng wawl , long /, adj. Mining. 1. noting or pertaining to a means of extracting coal or other minerals in an underground mine from a continuous face, the roof before the face being supported at intervals by temporary or movable artificial… …   Useful english dictionary

• longwall — /lawng wawl , long /, adj. Mining. 1. noting or pertaining to a means of extracting coal or other minerals in an underground mine from a continuous face, the roof before the face being supported at intervals by temporary or movable artificial… …   Universalium

• longwall mining — /lɒŋwɔl ˈmaɪnɪŋ/ (say longwawl muyning) noun the system by which coal is extracted from a long continuous face …  

• 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

• Underground mine —   A mine where coal is produced by tunneling into the earth to the coalbed, which is then mined with underground mining equipment such as cutting machines and continuous, longwall, and shortwall mining machines. Underground mines are classified… …   Energy terms

• Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …   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

• Coal companies of Australia — Contents 1 Anglo Coal Australia Ltd 1.1 Anglo Coal Callide Mine 1.2 Anglo Coal Capcoal Mine …   Wikipedia

• 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