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A platform for research: civil engineering, architecture and urbanism
Alit-belite composite new-phase high-strength cement clinker and preparation method thereof
The invention discloses an alite-belite composite new-phase high-strength cement clinker and a preparation method thereof. The cement clinker comprises the following mineral phases in percentage by mass: 15 to 25 percent of C3S, 30 to 40 percent of C2S, 15 to 25 percent of Q phase, 10 to 20 percent of C4A3 and 5 to 10 percent of C4AF. Wherein the Q phase is a CaO-Al2O3-MgO-SiO2 quaternary compound, and the C2S contains alpha '-C2S, and the Q phase is a CaO-Al2O3-MgO-SiO2 quaternary compound. The raw materials of the cement clinker are also doped with a modifier, and the modifier simultaneously comprises a metal oxide and a non-metal substance. According to the process disclosed by the invention, coexistence of a high-temperature ore phase (tricalcium silicate) and a low-temperature ore phase (calcium sulphoaluminate and Q phase) in the cement clinker is successfully realized, meanwhile, dicalcium silicate is converted into a high-activity form from a low-activity form, and the problem of insufficient development of middle and later strength of the high-belite sulphoaluminate cement is solved.
本发明公开一种阿利特‑贝利特复合新相高强水泥熟料及其制备方法。以质量百分比计，所述水泥熟料的矿物相组成包括C3S：15~25%、C2S：30~40%、Q相：15~25%、C4A3$：10~20%、C4AF：5~10%。其中，所述Q相是CaO‑Al2O3‑MgO‑SiO2四元化合物，所述C2S含有α’‑C2S。所述水泥熟料的原料组成中还掺加有改性剂，所述改性剂同时包含金属氧化物和非金属物质。本发明的工艺成功实现了高温矿相（硅酸三钙）和低温矿相（硫铝酸钙、Q相）在水泥熟料中共存，同时使得硅酸二钙从低活性的形式转变为高活性形式，克服了高贝利特硫铝酸盐水泥的中后期强度发展不足的问题。
Alit-belite composite new-phase high-strength cement clinker and preparation method thereof
The invention discloses an alite-belite composite new-phase high-strength cement clinker and a preparation method thereof. The cement clinker comprises the following mineral phases in percentage by mass: 15 to 25 percent of C3S, 30 to 40 percent of C2S, 15 to 25 percent of Q phase, 10 to 20 percent of C4A3 and 5 to 10 percent of C4AF. Wherein the Q phase is a CaO-Al2O3-MgO-SiO2 quaternary compound, and the C2S contains alpha '-C2S, and the Q phase is a CaO-Al2O3-MgO-SiO2 quaternary compound. The raw materials of the cement clinker are also doped with a modifier, and the modifier simultaneously comprises a metal oxide and a non-metal substance. According to the process disclosed by the invention, coexistence of a high-temperature ore phase (tricalcium silicate) and a low-temperature ore phase (calcium sulphoaluminate and Q phase) in the cement clinker is successfully realized, meanwhile, dicalcium silicate is converted into a high-activity form from a low-activity form, and the problem of insufficient development of middle and later strength of the high-belite sulphoaluminate cement is solved.
本发明公开一种阿利特‑贝利特复合新相高强水泥熟料及其制备方法。以质量百分比计，所述水泥熟料的矿物相组成包括C3S：15~25%、C2S：30~40%、Q相：15~25%、C4A3$：10~20%、C4AF：5~10%。其中，所述Q相是CaO‑Al2O3‑MgO‑SiO2四元化合物，所述C2S含有α’‑C2S。所述水泥熟料的原料组成中还掺加有改性剂，所述改性剂同时包含金属氧化物和非金属物质。本发明的工艺成功实现了高温矿相（硅酸三钙）和低温矿相（硫铝酸钙、Q相）在水泥熟料中共存，同时使得硅酸二钙从低活性的形式转变为高活性形式，克服了高贝利特硫铝酸盐水泥的中后期强度发展不足的问题。
Alit-belite composite new-phase high-strength cement clinker and preparation method thereof
一种阿利特-贝利特复合新相高强水泥熟料及其制备方法
ZHAO PIQI (author) / YANG HUI (author) / JIANG DONGBING (author) / WANG SHOUDE (author) / CHENG XIN (author) / MA QINGXU (author)
2024-05-31
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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