发明名称 |
СПОСОБ ПОЛУЧЕНИЯ ГРАНУЛИРОВАННОЙ ШЛАКООБРАЗУЮЩЕЙ СМЕСИ |
摘要 |
FIELD: preparation of granulated slag-forming mixtures used at continuous casting of steels. ^ SUBSTANCE: method comprises steps of disintegrating ingredients and agitating them in aqueous suspension; adding lignosulphonate and carboxymethyl cellulose; granulating mixture and subjecting granules to heat treatment in drying chamber at temperature 150-400°C. Granulation is realized by spraying suspension to drying chamber into medium of combustion products of natural gas and air mixture with relation 1 : (1.1 - 1.5). At first temperature of heat treatment of granules is uniformly increased from minimum temperature 150°C till maximum temperature 400°C. Then temperature is uniformly decreased from maximum value 400°C till minimum value 150°C at outlet of drying chamber. ^ EFFECT: improved strength of granules to abrasion in order to achieve high quality of surface of continuously cast billets, increased metal yield. ^ 1 tbl, 1 ex |
申请公布号 |
RU2004119198(A) |
申请公布日期 |
2006.01.10 |
申请号 |
RU20040119198 |
申请日期 |
2004.06.24 |
申请人 |
Открытое акционерное общество "Магнитогорский металлургический комбинат" (RU) |
发明人 |
Афонин Серафим Захарович (RU);Цикарев Юрий Михайлович (RU);Ногтев Валерий Павлович (RU);Маркин Виктор Федотович (RU);Сарычев Александр Федорович (RU) |
分类号 |
B22D11/00;B01J3/02 |
主分类号 |
B22D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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