Current Category: CN-AQ - Security
This standard applies to the inspection and testing of winding hoist systems in use in coal mines, including those with a drum diameter of 1.6m or more.
This standard is applicable to the on-site inspection and testing of friction hoist systems in use in coal mines
This standard applies to the safety technical performance testing of fixed and mobile air compressors in use in coal mines
This standard is applicable to the inspection of the technical performance of the main drainage systems in use in all production mines across the country.
This standard applies to the performance of one or multiple operating points of the main ventilation fan system installed on the working network across the country, including "parameters, fault diagnosis, vibration, noise, bearing and motor stator temperature rise, appearance quality, document review, safety protection and facilities, and inspection of motor parameters". It also applies to the safety inspection of the main ventilation fan system in coal mines after maintenance.