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Preparation method of full coal gangue negative carbon concrete filling body
The invention discloses a preparation method of a full coal gangue negative carbon concrete filling body, and belongs to the technical field of coal gangue recycling. The method specifically comprises the following steps: feeding activated gangue powder, gangue-based mineralized recycled aggregate and water for stirring into a stirrer, uniformly stirring to form full-coal-gangue negative-carbon concrete filling slurry, and conveying the uniformly mixed full-coal-gangue negative-carbon concrete filling slurry to a coal mine mining space for filling through a pipeline, after the slurry is condensed, the full-coal-gangue negative-carbon concrete filling body with good bearing performance is formed. Aggregate and a cementing material used by the concrete filling body are completely prepared from coal gangue, and a small amount of additive and water for stirring are supplemented to prepare the concrete filling body. The method is easy to operate, green and low-carbon, and effective control over surface subsidence of the coal mine can be achieved.
本发明公开了一种全煤矸石负碳混凝土充填体制备方法，属于煤矸石再利用技术领域。方法具体包括：将活化矸石粉、矸石基矿化再生骨料和搅拌用水送入搅拌机中搅拌均匀，形成全煤矸石负碳混凝土充填料浆，将混合均匀的全煤矸石负碳混凝土充填料浆通过管路输送到煤矿采动空间充填，料浆凝结后形成具有良好承载性能的全煤矸石负碳混凝土充填体。混凝土充填体所用骨料和胶凝材料完全由煤矸石制成，辅以少量外加剂及搅拌用水制备。本方法操作简单、绿色低碳，还可实现对煤矿地表沉陷有效控制。
Preparation method of full coal gangue negative carbon concrete filling body
The invention discloses a preparation method of a full coal gangue negative carbon concrete filling body, and belongs to the technical field of coal gangue recycling. The method specifically comprises the following steps: feeding activated gangue powder, gangue-based mineralized recycled aggregate and water for stirring into a stirrer, uniformly stirring to form full-coal-gangue negative-carbon concrete filling slurry, and conveying the uniformly mixed full-coal-gangue negative-carbon concrete filling slurry to a coal mine mining space for filling through a pipeline, after the slurry is condensed, the full-coal-gangue negative-carbon concrete filling body with good bearing performance is formed. Aggregate and a cementing material used by the concrete filling body are completely prepared from coal gangue, and a small amount of additive and water for stirring are supplemented to prepare the concrete filling body. The method is easy to operate, green and low-carbon, and effective control over surface subsidence of the coal mine can be achieved.
本发明公开了一种全煤矸石负碳混凝土充填体制备方法，属于煤矸石再利用技术领域。方法具体包括：将活化矸石粉、矸石基矿化再生骨料和搅拌用水送入搅拌机中搅拌均匀，形成全煤矸石负碳混凝土充填料浆，将混合均匀的全煤矸石负碳混凝土充填料浆通过管路输送到煤矿采动空间充填，料浆凝结后形成具有良好承载性能的全煤矸石负碳混凝土充填体。混凝土充填体所用骨料和胶凝材料完全由煤矸石制成，辅以少量外加剂及搅拌用水制备。本方法操作简单、绿色低碳，还可实现对煤矿地表沉陷有效控制。
Preparation method of full coal gangue negative carbon concrete filling body
一种全煤矸石负碳混凝土充填体制备方法
JU FENG (author) / WANG DONG (author) / XIAO MENG (author) / ZHANG QIANG (author) / NING PAI (author) / WANG TENGFEI (author) / ZHOU TAO (author) / SI LU (author) / WANG YINGBO (author) / XU MENGXIN (author)
2024-08-16
Patent
Electronic Resource
Chinese
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