Dolomite crude for an iron and steel industry
Dolomite crude is applied to roasting in furnaces and the subsequent application at steel melt in convectors. It’s issued in the form of fractions: 5-20 mm, 20-40 mm, 40-80 mm.
Technical description of a raw dolomite:
| Grain structure, an admissible mass fraction of pieces below the bottom limit, no more, than % | 10 |
| Grain structure, admissible mass fraction of pieces above the top limit, no more, than % | 10 |
| Mass fraction MgO2 of %, not less | 19 |
| Mass fraction SiO2 of %, no more | 3 |
| Mass fraction Al2O3 + Fe2O3, % no more | 1,5 |
The annual volume of output makes approximately 200 thousand tons.
Dolomite crude for the metallurgical industries is issued on standard of Belarus 300200623.007-2005.
Transportation is carried out by railway transport by gondola cars to 65 tons or shipment at own expense by dump-body trucks.
