Core Viewpoint - The "Ultra-deep Green Safe Paste Filling New Technology" developed by China Aluminum International Changsha Nonferrous Metallurgy Design Institute has been recognized as reaching "international leading level" by the China Nonferrous Metals Industry Association, providing significant technical support for the green and safe development of deep mineral resources in China [1] Group 1: Technology Breakthroughs - The project team achieved key technological breakthroughs in four areas: optimizing complex filling pipeline systems, developing precise air-water pipe cleaning processes, enhancing control over deep rock layer displacement, and creating new early-strength gelling materials [1] - The optimized pipeline system allows for long-distance safe self-flow transportation of paste, significantly reducing pipeline wear and explosion risks [1] - The new cleaning process greatly reduces the amount of water used for pipe cleaning [1] - The multi-cooperative paste filling technology improves the ability to control rock layer displacement [1] - The new gelling materials reduce the amount of gelling agent required and increase the early strength of the filling body [1] Group 2: Industrial Application - The technology has been applied in the Yunnan Huize Mining Company, resulting in a 31% reduction in the total length of the filling pipeline network and over 90% reduction in the number of pipeline inspection personnel [1] - The lifespan of the pipelines has been extended by 3 years due to the application of this technology [1]
超深井膏体充填技术通过成果评价