Revision amendments for sensor setting of AQ 1029-2007 Use and Management Specification of Coal Mine Safety Monitoring System and Testing Instrument

The main contents of proposed amendments for sensor setting in AQ 1029-2007 Use and Management Specification of Coal Mine Safety Monitoring System and Testing Instrument include: methane sensors should be set up on air return corner of coal face; methane sensors should be additionally set up in intake airway of coal and gas outburst coal face and split ventilation opening of tunneling face; portable methane alarm detector increases the demand on wireless transmission and is revised as portable wireless methane alarm detector; demands of gas monitoring should be applied to driving and anchor machine, continuous miner, bolt drill carriage, shuttle car, mine explosion-proof type diesel locomotive, trackless rubber tire vehicle and so on; air velocity sensors should be additionally set up in return airway of coal and gas outburst coal face and return current of excavation roadway; wind direction sensors should be installed in intake airflow roadway of coal and gas outburst coal face and split ventilation opening of excavation roadway.