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A platform for research: civil engineering, architecture and urbanism
Portland cement clinker and preparation method thereof
The invention discloses a Portland cement clinker and a preparation method thereof, and belongs to the technical field of building materials, the Portland cement clinker comprises the following components by weight: 86-91% of limestone; 0-4.5% of red sand; 7-14% of clay; 0.02 to 0.10 percent of iron ore; 2.0 to 2.5 percent of coal ash; the content of P2O5 in the iron ore is greater than 5.0%, the content of CeO2 in the iron ore is greater than 5.0%, and the content of F in the iron ore is greater than 5.0%. Meanwhile, the invention discloses a preparation method of the Portland cement clinker, the obtained cement clinker has excellent mineral composition, the content of tricalcium silicate exceeds 60%, and the content of M1 type tricalcium silicate is greater than 40%; the free calcium content of the clinker is less than 1.5%; the clinker strength is excellent, and the 7d strength can exceed 50MPa.
本发明公开了一种硅酸盐水泥熟料及其制备方法，属于建筑材料技术领域，硅酸盐水泥熟料，按重量百分比计，包括以下组分：石灰石86‑91%；红砂0‑4.5%；黏土7‑14%；铁矿石0.02‑0.10%；煤灰2.0‑2.5%；所述铁矿石中P2O5含量大于5.0%、CeO2大于5.0%、F大于5.0%，同时公开了硅酸盐水泥熟料的制备方法，得到的水泥熟料矿物组成优异，硅酸三钙含量超过60%，其中M1型硅酸三钙含量＞40%；熟料游离钙含量小于1.5%；熟料强度发挥优异，7d强度可超过50MPa。
Portland cement clinker and preparation method thereof
The invention discloses a Portland cement clinker and a preparation method thereof, and belongs to the technical field of building materials, the Portland cement clinker comprises the following components by weight: 86-91% of limestone; 0-4.5% of red sand; 7-14% of clay; 0.02 to 0.10 percent of iron ore; 2.0 to 2.5 percent of coal ash; the content of P2O5 in the iron ore is greater than 5.0%, the content of CeO2 in the iron ore is greater than 5.0%, and the content of F in the iron ore is greater than 5.0%. Meanwhile, the invention discloses a preparation method of the Portland cement clinker, the obtained cement clinker has excellent mineral composition, the content of tricalcium silicate exceeds 60%, and the content of M1 type tricalcium silicate is greater than 40%; the free calcium content of the clinker is less than 1.5%; the clinker strength is excellent, and the 7d strength can exceed 50MPa.
本发明公开了一种硅酸盐水泥熟料及其制备方法，属于建筑材料技术领域，硅酸盐水泥熟料，按重量百分比计，包括以下组分：石灰石86‑91%；红砂0‑4.5%；黏土7‑14%；铁矿石0.02‑0.10%；煤灰2.0‑2.5%；所述铁矿石中P2O5含量大于5.0%、CeO2大于5.0%、F大于5.0%，同时公开了硅酸盐水泥熟料的制备方法，得到的水泥熟料矿物组成优异，硅酸三钙含量超过60%，其中M1型硅酸三钙含量＞40%；熟料游离钙含量小于1.5%；熟料强度发挥优异，7d强度可超过50MPa。
Portland cement clinker and preparation method thereof
一种硅酸盐水泥熟料及其制备方法
YANG HUAN (author) / CHEN XUEMEI (author) / LI WENJIN (author) / YU QINGHUA (author) / CHONG NA (author) / ZHANG YUHANG (author) / ZHANG LINGZHI (author) / ZHOU YANHONG (author)
2023-10-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME