... machine component:1) Ration feeding device: Composed of raw material silo and star type charger with fixed amount transportation, ... , two alloy steel rollers, two hydraulic cylinder and pump, double output reduction machine, Type GIICL drum jugged ... cryolite, chemical inhibitor, silica, Isophthalodinitrile etc.3.chemical raw material, fine chemical material4.FGD gypsumNote: It takes potassium sulphate ...