FIELD: mining industry; applicable in ventilation of extraction districts. SUBSTANCE: method is characterized by the fact that connection for discharge of upcast air is driven from panel extraction drift to deepened belt-air heading behind conveyer located in it, and face-air headings are connected by connections with panel extraction drift. In this case, connections are located in immediate vicinity from connection for discharge of upcast air. EFFECT: reduced material expenses for ventilation and improved safety of labor conditions. 1 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF EXTRACTION DISTRICT VENTILATION | 1999 |
|
RU2163971C2 |
METHOD FOR VENTILATION OF STOPING SECTION | 1996 |
|
RU2117763C1 |
METHOD OF PREPARATION AND MINING CONTIGUOUS FLAT SEAMS | 2013 |
|
RU2530102C1 |
METHOD OF VENTILATION OF EXCAVATION SECTION DURING INVERSE ORDER OF DEVELOPMENT | 2001 |
|
RU2201507C1 |
METHOD FOR CHAMBER MINING WHEN PREPARING HORIZONS | 2016 |
|
RU2627803C1 |
METHOD OF VENTILATION OF EXTRACTION DISTRICT IN REVERSE ORDER OF MINING | 2013 |
|
RU2529459C1 |
DEVELOPMENT METHOD OF STRATIFIED DEPOSITS USING CHAMBER SYSTEM | 2011 |
|
RU2479720C1 |
METHOD OF PREPARATION AND DEVELOPMENT OF EXTRACTION UNIT BY DIAGONAL CHAMBERS | 2019 |
|
RU2709266C1 |
PREPARATION METHOD OF BED DEPOSITS FOR ADVANCE MINING AT ROOM-AND-PILLAR SYSTEM | 2010 |
|
RU2435961C1 |
METHOD FOR BED PREPARATION WITH STABLE ROCK IN IMMEDIATE BACK | 2016 |
|
RU2636992C1 |
Authors
Dates
2001-04-27—Published
1999-05-31—Filed