FIELD: mining.
SUBSTANCE: method involves preparation of extraction area by performing opening and preparation workings; drilling of degassing wells and their integration into degassing network of the well; preliminary degasification of the developed coal beds with delivery of methane-air mixture via degassing network with degassing vacuum pump installed at pump station to the surface; combustion of methane-air mixture in boiler furnace and production of coal from degassed beds. In cases when concentration of methane in methane-air mixture is inadmissibly low for transportation and combustion of methane-air mixture in boiler furnace, additional vacuum pump is installed at the pump station, which includes degassing network of the well parallel with degassing vacuum pump; at that, capacity of additional vacuum pump is taken smaller than that of degassing one.
EFFECT: due to additional pump it is possible to continue the degassing process, not allowing methane emissions to atmosphere, which increases the coal production efficiency and decreases ecological stress in coal-mining region.
1 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR DRAINING OUT OF GASES IN MINE SECTIONS | 2010 |
|
RU2439331C1 |
PROCEDURE FOR DEGASSING GAS BEARING ORE AND COAL DEPOSITS AT DEVELOPMENT OF MINERALS | 2009 |
|
RU2394159C1 |
METHOD OF DETERMINING BOUNDARIES OF METHANE-HAZARDOUS AREA OF MINED-OUT AREA NEAR MINING FACE | 2018 |
|
RU2700141C1 |
DEGASSING METHOD OF WORKING AREA | 2020 |
|
RU2732931C1 |
GAS EMISSION CONTROL METHOD AT DEVELOPMENT OF COAL BED PRONE TO SPONTANEOUS IGNITION | 2012 |
|
RU2512049C2 |
METHOD TO DEGAS EXISTING WORKING AREAS AND PRODUCTION OF ASSOCIATED METHANE DURING DEVELOPMENT OF COAL AND METHANE DEPOSITS WITH LONGWALL FACES | 2011 |
|
RU2496984C2 |
METHOD FOR DEVELOPMENT OF SERIES OF CONTIGUOUS COAL BEDS | 2012 |
|
RU2495251C1 |
METHOD FOR DEGASSING THE EXCAVATION FIELD DURING THE DEVELOPMENT OF A COAL SEAM WITH LONGWALLS ON UPRISING | 2022 |
|
RU2788064C1 |
DEGASSING OF HIGH COAL AT ITS PROCESSING IN "LAYER-BED" | 2012 |
|
RU2516674C1 |
METHOD FOR DEGASSING OF MINES | 0 |
|
SU1786274A1 |
Authors
Dates
2010-12-20—Published
2009-07-24—Filed