Wellbore controllable dilatant particle flow mining system
By utilizing a controllable expansion granular flow mining system with a shaft, and employing a three-dimensional well network and various crushing devices, the problem of safe and stable mining of small-diameter shafts under complex geological conditions has been solved. This system enables efficient crushing and transportation of ore, ensuring the stability of the shaft and the efficient extraction of ore.
CN122407190APending Publication Date: 2026-07-17BLUELAND ENERGY TECH LTD
Patent Information
- Application Number
- CN202411428707.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2026-07-17
Smart Images
Figure CN122407190A_ABST
Abstract
本发明为一种井筒可控扩容颗粒流采掘系统，其包括：工艺井系统，工艺井系统包括相连通的主工艺井和多支辅工艺井；设置于辅工艺井中的三维延伸定点初破装置，三维延伸定点初破装置根据辅工艺井的延伸轨迹破碎矿石或致裂矿石，以形成可控形态的硐穴；设置于主工艺井、辅工艺井或硐穴内的过井孔碎石装置，过井孔碎石装置对矿石进行破碎，硐穴及工艺井系统内具有流体，流体用于支撑岩壁且能够形成颗粒流携带矿石，硐穴与主工艺井的井口连通，通过颗粒流将硐穴内破碎的矿石排出至主工艺井的井口外。本发明解决了目前竖井巷道施工方法在进行采掘作为时安全、稳定性欠佳的技术问题。
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Citation Information
Patent Citations
Well and cave expansion mining system and mining method
CN118391026A