Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Multi-element coal-based solid waste composite acid excited underground filling material and preparation method thereof
The invention relates to the field of mine filling materials, and discloses a multi-element coal-based solid waste composite acid-activated underground filling material and a preparation method thereof.The filling material comprises 5-40 wt% of a cementing material, 20-55 wt% of fine aggregate and 40-75 wt% of coarse aggregate, the cementing material comprises cement, desulfurized gypsum, acetic acid and water, the fine aggregate comprises gasified slag and fly ash, and the coarse aggregate comprises water and water. The coarse aggregate comprises coal gangue and furnace bottom slag. The environment-friendly multi-element coal-based solid waste composite acid-excited underground filling material is prepared by taking composite multi-element coal-based solid waste as a main raw material, adding superfine Portland cement as a reverse filling material and taking acetic acid as an exciting agent. The research and development of the filling material not only can realize large-scale safe consumption and resource utilization of the multi-element coal-based solid waste and effectively alleviate the environmental pollution problem caused by the multi-element coal-based solid waste, but also can realize backfilling of the goaf and effectively prevent a series of environmental and economic problems caused by goaf collapse.
本发明本发明涉及矿井填充材料领域，公开一种多元煤基固废复合酸激发井下充填材料及其制备方法，充填材料包括胶凝材料5‑40wt％、细骨料20‑55wt％与粗骨料40‑75wt％，所述胶凝材料包括水泥、脱硫石膏、醋酸与水，所述细骨料包括气化渣与粉煤灰，所述粗骨料包括煤矸石与炉底渣。本发明以复合多元煤基固废为主要原材料，辅掺超细硅酸盐水泥为反填充材料，以醋酸为激发剂，制备一种环境友好型多元煤基固废复合酸激发井下充填材料，该充填材料的研发不仅能够实现多元煤基固废的大规模安全消纳与资源化利用，有效缓解多元煤基固废造成的环境污染问题，还能实现采空区的回填，有效防止采空区塌陷所造成的一些列环境与经济问题。
Multi-element coal-based solid waste composite acid excited underground filling material and preparation method thereof
The invention relates to the field of mine filling materials, and discloses a multi-element coal-based solid waste composite acid-activated underground filling material and a preparation method thereof.The filling material comprises 5-40 wt% of a cementing material, 20-55 wt% of fine aggregate and 40-75 wt% of coarse aggregate, the cementing material comprises cement, desulfurized gypsum, acetic acid and water, the fine aggregate comprises gasified slag and fly ash, and the coarse aggregate comprises water and water. The coarse aggregate comprises coal gangue and furnace bottom slag. The environment-friendly multi-element coal-based solid waste composite acid-excited underground filling material is prepared by taking composite multi-element coal-based solid waste as a main raw material, adding superfine Portland cement as a reverse filling material and taking acetic acid as an exciting agent. The research and development of the filling material not only can realize large-scale safe consumption and resource utilization of the multi-element coal-based solid waste and effectively alleviate the environmental pollution problem caused by the multi-element coal-based solid waste, but also can realize backfilling of the goaf and effectively prevent a series of environmental and economic problems caused by goaf collapse.
本发明本发明涉及矿井填充材料领域，公开一种多元煤基固废复合酸激发井下充填材料及其制备方法，充填材料包括胶凝材料5‑40wt％、细骨料20‑55wt％与粗骨料40‑75wt％，所述胶凝材料包括水泥、脱硫石膏、醋酸与水，所述细骨料包括气化渣与粉煤灰，所述粗骨料包括煤矸石与炉底渣。本发明以复合多元煤基固废为主要原材料，辅掺超细硅酸盐水泥为反填充材料，以醋酸为激发剂，制备一种环境友好型多元煤基固废复合酸激发井下充填材料，该充填材料的研发不仅能够实现多元煤基固废的大规模安全消纳与资源化利用，有效缓解多元煤基固废造成的环境污染问题，还能实现采空区的回填，有效防止采空区塌陷所造成的一些列环境与经济问题。
Multi-element coal-based solid waste composite acid excited underground filling material and preparation method thereof
一种多元煤基固废复合酸激发井下充填材料及其制备方法
HUANG GUODONG (Autor:in) / YANG KE (Autor:in) / CHEN DENGHONG (Autor:in) / LI MENGRONG (Autor:in) / ZHAO JINGYA (Autor:in) / XU YING (Autor:in)
04.03.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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