The assets will benefit from Murray Energy's best-in-class underground
longwall mining and operational expertise, that will further enhance the value of these high-quality metallurgical coal properties.
Many in situ experiments show that
longwall mining with backfilling technology is an efficient way to prevent the underground disasters and protect the surface ecological environment [7].
With over 60 years of manufacturing experience, the company is able to provide turnkey solutions and a full range of coalface equipment for coalfaces, including
longwall mining operations.
The specialized mining techniques of underground development, room-and-pillar mining,
longwall mining, and surface mining are also covered, with a chapter on reclamation of surface-mined land.
Focused specifically on underground and
longwall mining, the 2013 event brought many domestic and international exhibitors who showcased the latest in product development, technology, and mining techniques.
In this regard, methods of excavation in
longwall mining using individual hydraulic support elements (mechanical props) have special importance (Figure 1).
STRAINSTALL MARINE, the UK based load cell manufacturer, has launched a new system for monitoring the tension in chains used in industrial conveyor belts, such as
longwall mining systems, bulk handling and quarry systems.
- The final open cut strip will provide access for the underground operation including highwall, and punch
longwall mining of the seams.
EHCS plays a critical role in the mechanization and automation of longwall coal mines, working integrally with the hydraulic roof supports used in
longwall mining which are manufacturedby ERA's subsidiary Zhengzhou Siwei Mechanical and Electrical Equipment Manufacturing Co., Ltd.