发明名称 |
METHOD FOR TREATING SUBBENTONITE CLAYS |
摘要 |
FIELD: foundry. SUBSTANCE: method comprises steps of mixing subbentonite clay with complex additive including sodium-containing salts in quantity consisting up to 2% of clay mass and metal oxides promoting dispersion and taken in quantity no less than 1% of clay mass; then rolling and shaping blanks; drying them and milling until predetermined fraction size; drying blank at temperature 20-35 C until moisture content 10-15% and density increasing by 1.6 times. Clay treated by such method features enhanced technological properties. EFFECT: significant economical effectiveness due to increased use of subbentonite clays of Russia deposits, lowered volume of purchasing foreign bentonites. 1 dwg |
申请公布号 |
RU2196020(C2) |
申请公布日期 |
2003.01.10 |
申请号 |
RU20010101236 |
申请日期 |
2001.01.12 |
申请人 |
GOSUDARSTVENNOE UNITARNOE PREDPRIJATIE NAUCHNO-PRONIJA";KOE RUDOUPRAVLENIE" |
发明人 |
KALENOV G.G.;MUZYLEV N.A.;GORDEEV G.D.;MIKHIN V.P.;KALENOVA L.I.;SANDALOV A.V. |
分类号 |
B22C5/04;B22C1/00 |
主分类号 |
B22C5/04 |
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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