Abstract
The backfill mining method is a widely used mining method in the major mines of China, which can maximize the recovery of mineral resources and protect the environment. Currently, major mines in China are starting to build backfill systems to apply the backfill mining method, therefore, Part II reviews the progress China has made on creating backfill systems, of which the main contents include: (1) Composition of the backfill system common in Chinese mines; (2) Typical examples of the backfill system in China. Finally, Part II serves as a guide to begin a conversation, and to encourage experts and scholars to engage in the research of this field.
Highlights
IntroductionThe backfill (filling) mining method is one of the earliest methods adopted by the metal and coal mines, as it can maximize the recovery of underground mineral resources, protect the surface environment, and the surface buildings [1]
The backfill mining method is one of the earliest methods adopted by the metal and coal mines, as it can maximize the recovery of underground mineral resources, protect the surface environment, and the surface buildings [1].In recent years, with the progress in backfill materials, backfill technology, and pipeline conveying technology and equipment, the cost of backfill has been consistently reduced, especially because of national attention to safety and environmental protection
The key to the backfill mining method lies in the backfill technology and backfill systems
Summary
The backfill (filling) mining method is one of the earliest methods adopted by the metal and coal mines, as it can maximize the recovery of underground mineral resources, protect the surface environment, and the surface buildings [1]. With the progress in backfill materials, backfill technology, and pipeline conveying technology and equipment, the cost of backfill has been consistently reduced, especially because of national attention to safety and environmental protection. The backfill system constructed by the mine needs to simultaneously meet the needs of backfill mining, goaf treatment, tailings disposal, and recovery of highgrade residual ore, but it needs to meet the high standard of “reliable operation, matching capacity, low operating cost and controllable investment” which is China’s requirement for mining production. Part I of this series interpreted the theory and equipment of filling slurry pipeline transportation and introduced the experience Chinese researchers have accumulated in the exploration of backfill mining, Part II details for the readers China’s mining industry, with attention to two aspects:.
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