Lime: limestone itself there by raw materials, the impact of fuel sulfur content and high-temperature calcination itself factors generated by the limestone lime itself will contain different levels of sulfur, phosphorus and other elements desulfurization lime sales, for sales desulfurization lime , sulfur, and phosphorus content itself is low lime requirements. And its former limestone (raw material) and low parathion is also a low content of the fuel requirements. Lime: From the perspective of calcined lime powder desulfurization equipment to see the production, according to the choice of limestone particle size, to determine the structure of kiln firing system, in particular the vertical preheater. The basic contents include: the impact of material accumulation state, speed, hot and cold air permeability degree of expansion effects, heat transfer, thermal efficiency, the decomposition rate, productivity and calcining lime final result.