... widely used in blast furnace iron melting, castings, Calcium carbide, gasification and non-ferrous metal melting, etc. In which, it is ... as the volatile data in middle class, weak bonding coal, and secure the quality of coke. It’s the most ... 5.3Top charging, side charging coal tower, coal charging corridor, coal pit 6Electrical instrumentations 7Boiler and water supply and drainage system 8Water well, ...