Ventilation optimization method for underground multi-middle-section mining operation
The invention discloses a ventilation optimization method for underground multi-middle-section mining operation. The method comprises the steps that firstly, adjusting air doors are installed at air return shafts of two-wing systems of a middle (sub) section roadway in an operation area, an air wall...
Saved in:
Main Authors | , , , , , , , , , |
---|---|
Format | Patent |
Language | Chinese English |
Published |
29.10.2021
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Be the first to leave a comment!