... the coal briquetting machine, is a kind of coal powder press machine to make raw materials into ball products ... of powders, wastes and residues such as coal powder, iron powder, coking coal, scrap iron, iron oxide, carbon powder, ore slag, gypsum, tailings, sludge, kaolin, ... type of briquetting machine specially designed for processing coal powder, coke powder, gangue, and coke breeze. It can be tailor ...