FIELD: mining.
SUBSTANCE: method for bed preparation with stable rock in immediate back includes driving of production and ventilation drifts. Transportation of ore is carried out by a conveyer located in extraction drift. The extraction of minerals is performed by chamber system with extraction of block in retreat order. In the middle of the section the production and ventilation drifts are parallel to each other. At that they are periodically connected to each other by brake throughs in which the ventilation bulkheads are installed. The ventilation drift extends from production drift at a distance to exclude their mutual influence. The preparation scheme is applicable for two-bed mining.
EFFECT: invention makes it possible to reduce time for preparation of block for mining, increase development rate.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR CHAMBER MINING WHEN PREPARING HORIZONS | 2016 |
|
RU2627803C1 |
| METHOD OF PREPARATION AND MINING CONTIGUOUS FLAT SEAMS | 2013 |
|
RU2530102C1 |
| METHOD OF BLOCK PREPARATION AND PRIFILING OF THE CONTIGUOUS FLAT SYLVINITE LAYERS BY CHAMBERS | 2014 |
|
RU2552270C1 |
| METHOD OF PREPARATION AND DEVELOPMENT OF EXTRACTION UNIT BY DIAGONAL CHAMBERS | 2019 |
|
RU2709266C1 |
| METHOD FOR BEDDED DEPOSIT DEVELOPMENT WITH HEADING-AND-STALL METHOD | 2005 |
|
RU2303132C1 |
| METHOD FOR PREPARATION OF BEDDED DEPOSITS TO REVERSE ORDER OF MINING WHEN IMMEDIATE ROOF ROCK IS UNSTABLE | 2009 |
|
RU2398965C1 |
| METHOD OF PROCESSING OF A CUTTING SITE | 2017 |
|
RU2642721C1 |
| METHOD OF PREPARATION OF BEDDED DEPOSITS FOR ROOM MINING SYSTEM WITH RETREATING | 2001 |
|
RU2211332C1 |
| PREPARATION METHOD OF BED DEPOSITS FOR ADVANCE MINING AT ROOM-AND-PILLAR SYSTEM | 2010 |
|
RU2435961C1 |
| DEVELOPMENT METHOD OF STRATIFIED DEPOSITS USING CHAMBER SYSTEM | 2011 |
|
RU2479720C1 |
