济钢球团使用钠基膨润土工业试验 关键词：球团；钠基膨润土；钙基膨润土；竖炉；工业试验 [gap=6338]Key words：pellet；western bentonite；calcium bentonite；shaft fumace；industrial test
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calcium bentonite modification 钙基膨润土改性
calcium base bentonite 钙基膨润土 ; 基膨润土
Bentonite of Calcium 钙基膨润土
Calcium base bentonite for foundry 铸造用钙基膨润土粉
calcium-type bentonite 钙基膨润土
Meantime, the study of the modification of calcium bentonite was made.
同时，对钙基膨润土人工钠化进行了研究。
The results show that sodium bentonite can greatly improve the drop strength and compressive strength of green pellets, while calcium bentonite could enhance shock temperature of green pellets.
结果表明，钠基膨润土能使生球落下强度、抗压强度显著提高；而钙基膨润土在改善球团爆裂温度方面优于钠基膨润土。
Calcium chloride is added to reduce setting time, gypsum to increase setting time, barite and hematite to increase density, and bentonite and pozzolans to decrease density.
加入氯化钙可减少凝固时间，加入石膏可增加凝固时间，加入重晶石和赤铁矿粉可增加密度，加入膨润土和火山灰可减小密度。
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