Desulfurization gypsum briquette machine can press the desulfurization gypsum powder that have high moisture content into a ball disposable without any binders, big capacity and forming rate. Purity is guaranteed, directly formed into balls, high strength, suitable for all kinds of transportation, reduce packing costs, improve product transport capacity. Then supply to the cement plants to replace the natural gypsum for cement retarder. Desulfurization gypsum briquette machine has opened a new page of desulfurization gypsum ball press. Truely achieved power plant waste recycling. This machine can use for pressing gypsum powder, iron powder, coking coal, scrap iron, etc. This process has already used in power plants, cement plants, cement retarder plants and widely used gypsum plant.