Mastering 6 techniques to improve the efficiency of refining slag is not a problem:
1. refining slag to be grinded (0.12 mm);
2., the injection rate should be in line with the [S] content. If the jet is too fast, the iron will appear unreacted particles on the water surface;
3., to prevent the slag from hot metal, the desulphurization efficiency can be reduced because the refining slag is easy to interact with MnO and FeO in the slag;
4. to have a deeper depth of gun penetration;
5., considering the decomposition of refining slag, endothermic, low temperature and high viscosity of slag, it is necessary to maintain high hot metal temperature;
6. [S] high sulphur content and good desulfurization effect, the unreacted refining slag slag will spread people less.