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Method for preparing iron tailing cemented filling body by replacing part of cement with biomass ash
The invention discloses a method for preparing an iron tailing cemented filling body by replacing part of cement with biomass ash, and belongs to the field of metal mine filling, and the method comprises the following steps: determining raw materials for preparing a cemented filling material; preparing and maintaining an iron tailing cemented filling body sample; and determining the optimal biomass ash substitution rate of the iron tailing cemented filling body. According to the invention, the compressive strength of the iron tailing cemented filling body is researched, a renewable resource biomass ash with low cost and wide source is selected as an additive for improving the compressive strength of the filling body, and slump, bleeding rate and uniaxial compressive strength tests are carried out, so that an optimal ratio capable of remarkably improving the compressive strength of the filling body is finally obtained; the cement consumption is reduced, so that the filling cost can be obviously reduced.
本发明公开了一种利用生物质灰替代部分水泥制备铁尾砂胶结充填体的方法，属于金属矿山充填领域，包括:制备胶结充填材料的原材料的确定；铁尾砂胶结充填体试样制备与养护；铁尾砂胶结充填体最佳生物质灰替代率确定。本发明通过对铁尾砂胶结充填体抗压强度研究，选择成本低廉、来源广泛的可再生资源生物质灰作为改善充填体抗压强度的外加剂，并进行了坍落度、泌水率及单轴抗压强度测试，最终得出可能够显著改善充填体抗压强度的最优配比，且水泥用量减少，能够显著降低充填成本。
Method for preparing iron tailing cemented filling body by replacing part of cement with biomass ash
The invention discloses a method for preparing an iron tailing cemented filling body by replacing part of cement with biomass ash, and belongs to the field of metal mine filling, and the method comprises the following steps: determining raw materials for preparing a cemented filling material; preparing and maintaining an iron tailing cemented filling body sample; and determining the optimal biomass ash substitution rate of the iron tailing cemented filling body. According to the invention, the compressive strength of the iron tailing cemented filling body is researched, a renewable resource biomass ash with low cost and wide source is selected as an additive for improving the compressive strength of the filling body, and slump, bleeding rate and uniaxial compressive strength tests are carried out, so that an optimal ratio capable of remarkably improving the compressive strength of the filling body is finally obtained; the cement consumption is reduced, so that the filling cost can be obviously reduced.
本发明公开了一种利用生物质灰替代部分水泥制备铁尾砂胶结充填体的方法，属于金属矿山充填领域，包括:制备胶结充填材料的原材料的确定；铁尾砂胶结充填体试样制备与养护；铁尾砂胶结充填体最佳生物质灰替代率确定。本发明通过对铁尾砂胶结充填体抗压强度研究，选择成本低廉、来源广泛的可再生资源生物质灰作为改善充填体抗压强度的外加剂，并进行了坍落度、泌水率及单轴抗压强度测试，最终得出可能够显著改善充填体抗压强度的最优配比，且水泥用量减少，能够显著降低充填成本。
Method for preparing iron tailing cemented filling body by replacing part of cement with biomass ash
一种利用生物质灰替代部分水泥制备铁尾砂胶结充填体的方法
LIANG BING (author) / YANG ZETAO (author) / KIM KA-WOOK (author) / WU PENGFEI (author) / GUO BIN (author) / LIU XIAODONG (author) / WANG BO (author)
2023-08-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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