Information om | Engelska ordet LONGWALL

Exempel på hur man kan använda LONGWALL i en mening

• There were coal seams in the Boone area; the upper vein, about 3 feet thick, was always worked using longwall mining, while the lower vein was always mined using room and pillar mining.
• Coal mining has had many developments in recent years, from the early days of men tunneling, digging, and manually extracting the coal on carts to large open-cut and longwall mines.
• Technologies have been developed which automates several aspects of the longwall mining operation, including a system that aligns the face of the retreating longwall panel perpendicularly to the gate-roads.
• The Wallarah 2 Coal Project (or W2CP) is a proposal by the Korea Resources Corporation or KORES (owned by the South Korean government and other Korean and Japanese mining companies that comprise the Wyong Areas Coal Joint Venture) to construct a longwall mine near Wyong, New South Wales, Australia.
• Minecarts are seldom used in modern operations, having largely been superseded in underground operations (especially coal mines) by more efficient belt conveyor systems that allow machines such as longwall shearers and continuous miners to operate at their full capacity, and above ground by large dumpers.
• With the exception of the Crinum and Broadmeadow underground longwall operations, the mines are open-cut, using dragline and truck/shovel fleets for overburden removal.

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