高速机械粉磨对油基钻屑灰渣活性的影响_《混凝土与水泥制品》杂志社

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高速机械粉磨对油基钻屑灰渣活性的影响

Effect of high-speed mechanical grinding on activity of oil-based drilling cuttings ash

2024年第2期

高速机械粉磨；油基钻屑灰渣；活性激发；胶砂；性能

High-speed mechanical grinding; Oil-based drilling cuttings ash; Active excitation; Mortar; Performance

2024年第2期

10.19761/j.1000-4637.2024.02.088.05

国家科技重大专项课题项目（2016ZX05040006-001-011）；国家自然科学基金项目（51108393）。

张显河1，文华1，*，郑召1，包志涛1，余伟豪2，雷旭1，范伟1

1.西南科技大学土木工程与建筑学院，四川绵阳621010；2.沈阳建筑大学土木工程学院，辽宁沈阳110168

张显河1，文华1，*，郑召1，包志涛1，余伟豪2，雷旭1，范伟1

张显河,文华,郑召,等.高速机械粉磨对油基钻屑灰渣活性的影响[J].混凝土与水泥制品,2024(2):88-92.

ZHANG X H,WEN H,ZHENG Z,et al.Effect of high-speed mechanical grinding on activity of oil-based drilling cuttings ash[J].China Concrete and Cement Products,2024(2):88-92.

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摘要：对油基钻屑灰渣进行了高速机械粉磨处理，研究了粉磨时间（0~7 min）对灰渣粒径分布和比表面积的影响，分析了掺灰渣胶砂试件的力学性能，并进行了XRD、SEM、FTIR微观分析。结果表明：与未粉磨处理的灰渣相比，粉磨3 min灰渣的粒径分布范围缩小至1.220~40.100 μm，D50降低了60.9%，比表面积增大了27.6%；与其他粉磨时间的灰渣相比，用粉磨3 min的灰渣等质量取代30%水泥所制备的胶砂试件的28 d抗压强度最高，28 d抗折强度也较高；适宜的粉磨时间能够促进灰渣中的活性SiO2、Al2O3等与水泥水化产物Ca(OH)2发生二次水化反应，生成C-S-H凝胶和AFt，提高胶砂结构的密实度。 Abstract: High-speed mechanical grinding treatment was carried out on oil-based drilling cuttings ash, and the effect of grinding time(0~7 min) on the particle size distribution and specific surface area of the oil-based drilling cuttings ash was studied. The mechanical properties of the mortar specimens mixed with oil-based drilling cuttings ash were analyzed, and XRD, SEM and FTIR microscopic analysis were conducted. The results show that compared with the oil-based drilling cuttings ash without grinding treatment, the particle size distribution range of the oil-based drilling cuttings ash after grinding for 3 min is reduced to 1.220~40.100 μm, the D50 is decreased by 60.9%, and the specific surface area is increased by 27.6%. Compared with the oil-based drilling cuttings ash from other grinding times, the 28 d compressive strength of the mortar specimens prepared by replacing 30% cement with oil-based drilling cuttings ash from grinding for 3 min is the highest, and the 28 d flexural strength is high. The appropriate grinding time can promote the secondary hydration reaction between the active SiO2, Al2O3, etc. in the oil-based drilling cuttings ash and the cement hydration product Ca(OH)2 to generate C-S-H gel and AFt, thus improving the structural compactness of the mortar.

英文名 : Effect of high-speed mechanical grinding on activity of oil-based drilling cuttings ash

刊期 : 2024年第2期

关键词 : 高速机械粉磨；油基钻屑灰渣；活性激发；胶砂；性能

Key words : High-speed mechanical grinding; Oil-based drilling cuttings ash; Active excitation; Mortar; Performance

刊期 : 2024年第2期

DOI : 10.19761/j.1000-4637.2024.02.088.05

文章编号 :

基金项目 : 国家科技重大专项课题项目（2016ZX05040006-001-011）；国家自然科学基金项目（51108393）。

作者 : 张显河1，文华1，*，郑召1，包志涛1，余伟豪2，雷旭1，范伟1

单位 : 1.西南科技大学土木工程与建筑学院，四川绵阳621010；2.沈阳建筑大学土木工程学院，辽宁沈阳110168

张显河1，文华1，*，郑召1，包志涛1，余伟豪2，雷旭1，范伟1

张显河,文华,郑召,等.高速机械粉磨对油基钻屑灰渣活性的影响[J].混凝土与水泥制品,2024(2):88-92.

ZHANG X H,WEN H,ZHENG Z,et al.Effect of high-speed mechanical grinding on activity of oil-based drilling cuttings ash[J].China Concrete and Cement Products,2024(2):88-92.

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摘要

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结论

参考文献

引用本文

Abstract: High-speed mechanical grinding treatment was carried out on oil-based drilling cuttings ash, and the effect of grinding time(0~7 min) on the particle size distribution and specific surface area of the oil-based drilling cuttings ash was studied. The mechanical properties of the mortar specimens mixed with oil-based drilling cuttings ash were analyzed, and XRD, SEM and FTIR microscopic analysis were conducted. The results show that compared with the oil-based drilling cuttings ash without grinding treatment, the particle size distribution range of the oil-based drilling cuttings ash after grinding for 3 min is reduced to 1.220~40.100 μm, the D50 is decreased by 60.9%, and the specific surface area is increased by 27.6%. Compared with the oil-based drilling cuttings ash from other grinding times, the 28 d compressive strength of the mortar specimens prepared by replacing 30% cement with oil-based drilling cuttings ash from grinding for 3 min is the highest, and the 28 d flexural strength is high. The appropriate grinding time can promote the secondary hydration reaction between the active SiO2, Al2O3, etc. in the oil-based drilling cuttings ash and the cement hydration product Ca(OH)2 to generate C-S-H gel and AFt, thus improving the structural compactness of the mortar.

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