A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High-strength carbonized steel slag cementing material and preparation method thereof
The invention relates to a high-strength carbonized steel slag cementing material and a preparation method, belongs to the technical field of building materials, and can improve the performance of carbonized steel slag blocks and the storage amount of CO2. The method comprises the following steps: S1, uniformly mixing a lifting agent with water to obtain a lifting agent solution; the improver is ammonium citrate or a mixture of ammonium citrate and at least one of H2SO4, citric acid and sodium citrate; s2, the lifting agent solution and steel slag powder are fully mixed, and a wet mixture is obtained; s3, pressing the wet mixture to obtain a blank body; s4, the blank is placed in a CO2-rich environment for carbonization treatment, and a carbonized steel slag cementing material is obtained; the compressive strength of the high-strength carbonized steel slag cementing material is 99-108 MPa, the CO2 absorption amount of each hectogram of steel slag powder is 16.2-17 g, and the porosity is 14.0-15.1%.
本发明涉及一种高强度碳化钢渣胶凝材料及制备方法，属于建筑材料技术领域，能够提升碳化钢渣块的性能和对CO2的封存量；该方法包括：S1、将提升剂与水混合均匀，得到提升剂溶液；所述提升剂为柠檬酸铵，或者柠檬酸铵与H2SO4、柠檬酸、柠檬酸钠中至少一种的混合物；S2、将所述提升剂溶液和钢渣粉进行充分混合，得到湿润拌合物；S3、对所述湿润拌合物进行压制，得到胚体；S4、将所述胚体放置于富CO2的环境中进行碳化处理，得到碳化钢渣胶凝材料；高强度碳化钢渣胶凝材料的抗压强度为99‑108MPa，每百克钢渣粉的CO2吸收量为16.2‑17g，孔隙率为14.0‑15.1％。
High-strength carbonized steel slag cementing material and preparation method thereof
The invention relates to a high-strength carbonized steel slag cementing material and a preparation method, belongs to the technical field of building materials, and can improve the performance of carbonized steel slag blocks and the storage amount of CO2. The method comprises the following steps: S1, uniformly mixing a lifting agent with water to obtain a lifting agent solution; the improver is ammonium citrate or a mixture of ammonium citrate and at least one of H2SO4, citric acid and sodium citrate; s2, the lifting agent solution and steel slag powder are fully mixed, and a wet mixture is obtained; s3, pressing the wet mixture to obtain a blank body; s4, the blank is placed in a CO2-rich environment for carbonization treatment, and a carbonized steel slag cementing material is obtained; the compressive strength of the high-strength carbonized steel slag cementing material is 99-108 MPa, the CO2 absorption amount of each hectogram of steel slag powder is 16.2-17 g, and the porosity is 14.0-15.1%.
本发明涉及一种高强度碳化钢渣胶凝材料及制备方法，属于建筑材料技术领域，能够提升碳化钢渣块的性能和对CO2的封存量；该方法包括：S1、将提升剂与水混合均匀，得到提升剂溶液；所述提升剂为柠檬酸铵，或者柠檬酸铵与H2SO4、柠檬酸、柠檬酸钠中至少一种的混合物；S2、将所述提升剂溶液和钢渣粉进行充分混合，得到湿润拌合物；S3、对所述湿润拌合物进行压制，得到胚体；S4、将所述胚体放置于富CO2的环境中进行碳化处理，得到碳化钢渣胶凝材料；高强度碳化钢渣胶凝材料的抗压强度为99‑108MPa，每百克钢渣粉的CO2吸收量为16.2‑17g，孔隙率为14.0‑15.1％。
High-strength carbonized steel slag cementing material and preparation method thereof
一种高强度碳化钢渣胶凝材料及制备方法
ZHANG LINGLING (author) / CHEN ZHAOHOU (author) / TANG ZI'AN (author) / CANG DAQIANG (author) / LIU YANG (author) / JING XIAOHUAN (author) / HE BINGYANG (author)
2023-08-11
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Method for preparing nanoscale carbonized steel slag cementing material
| European Patent Office | 2024
| European Patent Office | 2022
| European Patent Office | 2023
| European Patent Office | 2023
| European Patent Office | 2022