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A platform for research: civil engineering, architecture and urbanism
Starch-based industrial waste residue composite material Portland cement retarder
The invention provides a starch-based industrial waste residue composite material Portland cement retarder which comprises a solution A and a solution B. The solution A comprises powder A and water, the solution B comprises powder B and water, and the starch content in the powder A is 70-80 wt.%; the powder B is one or more of fly ash, granulated blast furnace slag, silica fume, limestone powder, steel slag powder, phosphorus slag powder and zeolite powder. According to the present invention, the cement setting time and the penetration resistance can be significantly improved, the characteristics of easy obtaining, low price, environmental protection and the like are realized, the physical and chemical composite principle is adopted so that the adaptability with various types of cement and water reducing agents is strong, the later mechanical property of the cement is not significantly affected, and the generation amount of the main product of the cement hydration is not affected, and the total porosity of the hardened cement paste can also be reduced.
本发明提供一种淀粉基工业废渣复合材料硅酸盐水泥缓凝剂，包括溶液A和溶液B，所述溶液A包括粉剂A和水，所述溶液B包括粉剂B和水，所述粉剂A中淀粉含量在70‑80wt.％；所述粉剂B为粉煤灰、粒化高炉矿渣、硅灰、石灰石粉、钢渣粉、磷渣粉、沸石粉中的一种或多种。本发明可以显著提高水泥的凝结时间和抗渗透性，同时具有易获取、价格低廉、绿色环保等特点，且由于采用物理和化学的复合原理，与各类水泥及减水剂适应性强，同时不显著影响水泥后期的力学性能，对水泥水化的主要产物生成量无影响，还可以降低硬化水泥浆体的总孔隙率。
Starch-based industrial waste residue composite material Portland cement retarder
The invention provides a starch-based industrial waste residue composite material Portland cement retarder which comprises a solution A and a solution B. The solution A comprises powder A and water, the solution B comprises powder B and water, and the starch content in the powder A is 70-80 wt.%; the powder B is one or more of fly ash, granulated blast furnace slag, silica fume, limestone powder, steel slag powder, phosphorus slag powder and zeolite powder. According to the present invention, the cement setting time and the penetration resistance can be significantly improved, the characteristics of easy obtaining, low price, environmental protection and the like are realized, the physical and chemical composite principle is adopted so that the adaptability with various types of cement and water reducing agents is strong, the later mechanical property of the cement is not significantly affected, and the generation amount of the main product of the cement hydration is not affected, and the total porosity of the hardened cement paste can also be reduced.
本发明提供一种淀粉基工业废渣复合材料硅酸盐水泥缓凝剂，包括溶液A和溶液B，所述溶液A包括粉剂A和水，所述溶液B包括粉剂B和水，所述粉剂A中淀粉含量在70‑80wt.％；所述粉剂B为粉煤灰、粒化高炉矿渣、硅灰、石灰石粉、钢渣粉、磷渣粉、沸石粉中的一种或多种。本发明可以显著提高水泥的凝结时间和抗渗透性，同时具有易获取、价格低廉、绿色环保等特点，且由于采用物理和化学的复合原理，与各类水泥及减水剂适应性强，同时不显著影响水泥后期的力学性能，对水泥水化的主要产物生成量无影响，还可以降低硬化水泥浆体的总孔隙率。
Starch-based industrial waste residue composite material Portland cement retarder
一种淀粉基工业废渣复合材料硅酸盐水泥缓凝剂
FENG QI (author) / CHANG JUN (author) / WANG DAN (author) / REN ZHENGYUE (author) / XUE LILI (author) / LAI RIXIONG (author)
2021-07-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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