摘要
鉴于过渡性矿物在氟硫共存时对水泥煅烧过程的重要影响，对３Ｃ３Ｓ·ＣａＦ２和３Ｃ２Ｓ·３ＣａＳＯ４·ＣａＦ２的生成与Ｆ／ＳＯ３比的关系及它们对Ｃ３Ｓ早期形成的影响等方面进行了研究。结果指出：３Ｃ３Ｓ·ＣａＦ２和３Ｃ２Ｓ·３ＣａＳＯ４·ＣａＦ２可以在Ｆ／ＳＯ３比（质量比）于０．１００～０．６９１之间时共存，两者形成的数量与Ｆ／ＳＯ３比有关，它们都促进了Ｃ３Ｓ的低温形成。在共存区间内，Ｃ３Ｓ的低温形成有两个来源：（１）１１２０℃以下，由于３Ｃ３Ｓ·ＣａＦ２分解促进了Ｃ３Ｓ的低温形成；（２）１１８０℃附近，由于３Ｃ２Ｓ·３ＣａＳＯ４·ＣａＦ２的存在，熟料产生液相，该液相促进了Ｃ３Ｓ的合成。本研究对实际生产有参考价值。
Because of the significant effect of intermediate minerals in the presence of F and SO3 on the sintering process of cement,relationship between formation of 3C3S·CaF2 and 3C3S·3CaSO4·CaF2 and F/SO3 ratio as well as the effect of these minerals on the early formation of C3S are studied in the paper.3C3S·CaF2 and 3C2S·CaSO4·CaF2 coexist when F/SO3 ratio (in mass percent)is in the range of 0100～0691.The amount of 3C3S·CaF2 and 3C3S·3CaSO4·CaF2 formed is related to the F/SO3 ratio,both of them promote the C3S formation at low temperatuere.In the coexistence zone,two conditions exist for the formation of C3S at low temperature:(1)Under 1120℃,formation of C3S at low temperature will be accelerated due to decomposition of 3C3S·CaF2;(2)Near 1180℃,liquid phase of clinker,which promotes the formation of C2S,is produced due to existence of 3C3S·3CaSO4·CaF2.This study is of value to practical production.
出处
《硅酸盐学报》
EI
CAS
CSCD
北大核心
1997年第6期651-656,共6页
Journal of The Chinese Ceramic Society
基金
国家自然科学基金
中国长江三峡工程开发总公司联合资助项目
关键词
矿化剂
过渡性矿物
水泥
硫化碳
氟硫共存
煅烧
mineralizer,intermediate minerals,calcium silicofluoride,calcium fluorosulphosilicate,tricalcium silicate,formation at low temperature
