FIELD: building materials industry. SUBSTANCE: method comprises heat treating original raw mix, adding calcium oxide thereto during heat treatment process. Calcium oxide is added to raw mix in amount of 2-20% based on weight thereof, 10-30% of general amount of calcium oxide being added at 1000-1300 C, the remaining calcium oxide being added at 1301-1500 C. Raw mix is composed of carbonate and clay components. Raw mix comprises correcting additives. EFFECT: intensified process of preparing portland cement clinker, increased C3S content and greater starting strength of cement. 3 cl
| Title | Year | Author | Number |
|---|---|---|---|
| RAW MIX FOR PREPARING SULFOFERRITE CEMENT CLINKER | 1999 |
|
RU2151753C1 |
| PORTLAND CEMENT | 1999 |
|
RU2151752C1 |
| NONCONTRACTING CLINKER | 2000 |
|
RU2198147C2 |
| PROCESS OF PREPARING RAW MIX FOR PRODUCTION OF PORTLAND CEMENT CLINKER | 2003 |
|
RU2237629C1 |
| RAW MIXTURE FOR PREPARING SULFATE-RESISTANT PORTLAND CEMENT CLINKER | 2003 |
|
RU2237626C1 |
| NONSHRINKING CEMENT | 2001 |
|
RU2232731C2 |
| RAW MIXTURE FOR PRODUCING PORTLANDCEMENT CLINKER | 0 |
|
SU729157A1 |
| SULFATE-RESISTANT PORTLAND CEMENT | 2003 |
|
RU2237627C1 |
| RAW MIX FOR PREPARING TAMPONAGED PORTLAND CEMENT CLINKER | 1998 |
|
RU2122984C1 |
| METHOD OF PRODUCING AND COMPOSITION OF BELITE CLINKER | 2020 |
|
RU2736592C1 |
