abstract |
FIELD: manufacture of portland cement clinker from nepheline slurries. SUBSTANCE: raw mix comprises, wt %: nepheline slurry, 34-53; limestone, 34-60; correcting additives, 4- 8; complex sulfate-carboaluminium mineralizer at calcium sulfate to calcium carboaluminate ratio of 1:1-1.2, 2-5. EFFECT: higher resistance of lining, reduced consumption of fuel and smaller amounts of dust and gas discharges in production of portland cement. 6 ex, 1 tbl |