... material: Any types of Agro-forestry waste and forest waste can be used for make briquettes Such as maize stalks, soybean ... , Mustard stalk and cotton stalks ,nutshell, coconut shell ,etc Working principle:Briquette machine uses a large screw to grind, compress and ... following fields :Boilers : It can be used in the boilers of Paper Mills, Sugar Mills, Dyeing houses, leather, lamination industries, ...