SYSTEM FOR CONTROL OVER AIR PROCESSING AT UNDERGROUND MINING PLANT Russian patent published in 2015 - IPC E21F1/08 E21F3/00 

FIELD: mining.

SUBSTANCE: claimed system comprises the main ventilation plant, air feed bore, pit head with head exchangers of air heater plant (AHP) arranged there around. Air feed bore is connected via air heater channel with standby pit AHP equipped with shutoff stave and air blowers. Air intake openings of AHP and standby pit AHP are provided with controlled shutters. Pit head is equipped with skip openings. Note here that temperature transducers are arranged behind every AHP. Air heater channel and air feed bore shaft station are provided with temperature and pressure transducers, or with density meters and flow rate meters connected with microcontroller unit to output control signals to AHP and standby pit AHP heat efficiency variations.

EFFECT: high-efficiency system in summer and winter.

6 dwg