METHOD TO PREVENT AND SUPPRESS SELF-IGNITION

摘要

FIELD: mining.SUBSTANCE: method includes spraying a liquid in a flow of air arriving to a mined space. At the same time liquid spraying is alternated with supply of dry gas into coal deposits. Moisture content in gas discharged from the coal deposit is measured. Gas supply is replaced with liquid spraying in case moisture content stops dropping in gas discharged from coal deposit.EFFECT: improved safety of mining works.