Another material you might work with is slag. Slag is produced during the process of smelting or refining ore. There are different types of slag which call for different types of crushers. With blast furnace slag, it’s not as abrasive or as hard as steel furnace slag. Blast furnace slag has just come out of…

Why should the power plant desulfurization and milling? The combustion substances added in the current power plant boilers are produced by the combustion of sulfur dioxide and nitrogen oxides. These burnt gas substances are not discharged into the atmosphere without being treated, which will cause serious pollution to our living environment. For example, sulfide gas…