What is KR desulfurizer

With the reduction of high-grade and low-impurity iron ore with low phosphorus and low sulfur in the world, high-phosphorus and high-sulfur iron ore will surely enter the stage of mass use. In addition, the sulfur content of high-quality steel is more and more strict, so how to realize effective desulfurization and produce high-quality low-sulfur steel has become one of the major issues faced by steel workers. Quick-acting KR desulfurizer produced by gongyi city Fuzhong Metallurgical Material Factory has been widely used in many steel mills, making positive contributions to hot metal desulfurization. 1. Characteristics of quick-acting desulfurizer A. quick melting property: the melting point of the product is less than or equal to 1400℃, and it can be melted in the furnace. B. Quick-acting: As the desulfurization rate increases, the desulfurization time is shorter than that of conventional operation, which wins time for further deep desulfurization. 2. Physical and chemical indexes of quick-acting KR desulfurizer (standards can be established according to user requirements) Cao% CaF2% SiO2% Moisture% Particle Size ≥75 5～10 ≤8 ≤0.5 0-3mm 3. Amount and method of addition (1) adding amount: 6-10kg/ ton of iron, which can be increased or decreased according to the situation. (2), operation steps: Step: Slag picking and stirring in station, adding desulfurizer and stirring It is required to add 4-5 kg for 10-15 minutes with stirring Step sampling, analyzing, slagging, adding desulfurizer, stirring and slagging 4-5 kg or 10-15 minutes for sampling and testing according to the situation. 3. For subsequent heats, adjust the adding amount, stirring time, sampling analysis times and slag stripping times according to the conditions of the forehearth.