present technology used in mining coal

Coal Mining Drilling Equipment | Products & Suppliers ... .was used for many years for gas-drainage and long-hole drilling, many mines are now switching over to hydraulically powered technology. dhms has been one of the companies pioneering the intro- duction of hydraulic drilling equipment to the coal mining industry. Technology in Coal Mining Industry - Streetdirectory Technology in Coal Mining Industry. By: ... It is called a 'longwall mining' method that applies laser technology. Today, it is widely used by coal mining companies in the world. From this moment the coal exploration, extraction and delivery to the market have become secure, effective, clean and not harmful for the environment. ... New coal dewatering technology turns sludge to powder ... New coal dewatering technology turns sludge to powder. ... "People living in coal mining districts will see fewer and smaller slurry ponds. We have done something for the industry and for the public." ... This fundamental study led to the development of the Microcel technology, which is used widely in the mining industry and is considered the ...    Read More

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