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Experimental Study on the Formulation of Filling Binder Based on Low-Activity Slag
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Xu WANG1, 2, 3, Rongrong ZHANG2, Changjun WANG1, 2, 3, Shengli YU2
Mining Research and Development | 2025, 45(1) : 79 - 84
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Mining Research and Development | 2025, 45(1): 79-84
Experimental Study on the Formulation of Filling Binder Based on Low-Activity Slag
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Xu WANG1, 2, 3, Rongrong ZHANG2, Changjun WANG1, 2, 3, Shengli YU2
Affiliations
  • 1.State Key Laboratory of Comprehensive Utilization of Low-Grade Refractory Gold Ores, Shanghang County, Fujian 364204, China
  • 2.Zijin Mining Group Co., Ltd., Shanghang County, Fujian 364200, China
  • 3.Zijin (Changsha) Engineering Technology Co., Ltd., Changsha, Hunan 410114, China
Published: 2025-01-25
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In order to reduce the cost of mine filling, the experimental study of filling binder was carried out using low-activity slag and other auxiliary materials around Timok copper-gold mine. The optimal formulation obtained by orthogonal experiment is slag : lime : caustic soda : desulfurization gypsum=81.5:10:1:7.5. The hydration mechanism of slag-based binder was studied by XRD and SEM analysis methods. Combined with the local material price and processing cost, the production cost of slag-based filling binder was calculated, and its application range was recommended. The results show that the 28 d cementation effect of the slag-based binder is slightly lower than that of the local cement, and its cost can be reduced by 30% compared with the local cement. In Timok copper-gold mine, the application of slag-based binder to the filling of sublevel open stoping with subsequent filling method can reduce the cementing cost by 13%. The annual saving of filling cost is 1.281 million euros, which has certain application value.

Filling binder  /  Low activity slag  /  Orthogonal experiment  /  Hydration mechanism  /  Tailings
王旭, 张荣荣, 王长军, 余胜利. 基于低活性矿渣的充填胶结剂配方试验研究. 矿业研究与开发, 2025 , 45 (1) : 79 -84 .
Xu WANG, Rongrong ZHANG, Changjun WANG, Shengli YU. Experimental Study on the Formulation of Filling Binder Based on Low-Activity Slag[J]. Mining Research and Development, 2025 , 45 (1) : 79 -84 .
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Year 2025 volume 45 Issue 1
48
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  • Receive Date：2024-02-18
  • Online Date：2026-10-29
  • Published：2025-01-25
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  • Received：2024-02-18
Affiliations
    1.State Key Laboratory of Comprehensive Utilization of Low-Grade Refractory Gold Ores, Shanghang County, Fujian 364204, China
    2.Zijin Mining Group Co., Ltd., Shanghang County, Fujian 364200, China
    3.Zijin (Changsha) Engineering Technology Co., Ltd., Changsha, Hunan 410114, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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