FIELD: metallurgy.
SUBSTANCE: agent contains calcium oxide, bitumen and from 0.01 to 10 wt % of at least one flowability-imparting agent selected from the group consisting of polyatomic alcohols, longflame coals, silicone oils and mixtures thereof. The agent contains no calcium carbide, magnesium and magnesium alloy. The agent is produced by mixing calcium oxide, bitumen, at least one flowability-imparting agent and by grinding the resulting mixture to a powder with a grain size with which at least 80 wt % of the powder is presented by particles with size less than 32 mcm, at least 85 wt % of the powder is presented by particles less than 45 mcm, at least 90 wt % of the powder is presented by particles less than 63 mcm and at least 95 wt % of the powder particles is presented by particles less than 90 microns.
EFFECT: invention allows to produce an agent based on calcium oxide, which provides for high efficiency of pig iron or steel alloy desulfurizing.
17 cl, 2 ex
Title | Year | Author | Number |
---|---|---|---|
METHOD OF TREATING BLAST-FURNACE CAST IRON SMELT IN CASTING LADLE | 1992 |
|
RU2096484C1 |
DESULFURIZING MIXTURE | 2000 |
|
RU2234538C2 |
METHOD OF DESULFURIZATION OF LIQUID CAST IRON | 1996 |
|
RU2181382C2 |
DESULFURIZING MIXTURE BASED ON CALCIUM CARBIDE | 1997 |
|
RU2166548C2 |
MAGNESIUM-BASED ALLOY WITH INCREASED YIELD AND RESISTANCE AGAINST HOT TEARS, AND METHOD OF ITS MANUFACTURING | 2011 |
|
RU2564370C2 |
METHOD OF HIGH STRENGTH CAST IRON PRODUCTION | 0 |
|
SU836113A1 |
GEO-POLYMER BINDING SYSTEM FOR HEAT-RESISTANT CONCRETES, THE BINDING SYSTEM CONTAINING DRY HEAT-RESISTANT CONCRETE MIXTURE, AND ALSO THE MIXTURES APPLICATION | 2014 |
|
RU2664723C2 |
MAGNESIUM ALLOY SUITABLE FOR USE AT AMBIENT TEMPERATURE, AND METHOD OF ITS OBTAINING | 2011 |
|
RU2543574C2 |
MAGNESIUM ALLOY SUITABLE TO BE USED AT HIGH TEMPERATURE, AND METHOD FOR ITS OBTAINING | 2011 |
|
RU2549040C2 |
CAST IRON MODIFIER AND METHOD FOR PRODUCTION OF CAST IRON MODIFIER | 2017 |
|
RU2700220C1 |
Authors
Dates
2017-02-17—Published
2012-10-19—Filed