Current Category: CN-MT - Coal
This document is applicable to the air chamber jig used in coal sorting
This document is applicable to explosion-proof high-voltage starter reactors used in coal mines.
This document is applicable to explosion-proof leakage protection devices for use in coal mine power supply systems with a frequency of 50 Hz, a rated voltage of 1140 V or less, and a three-phase neutral point that is not directly grounded.
This document is applicable to low-voltage AC vacuum circuit breakers used in coal mines, with a frequency of 50 Hz, a rated voltage of 1,140 V or less, and a current of up to 1,600 A.
This document is applicable to the third-party evaluation of green factories in enterprises engaged in equipment manufacturing, remanufacturing, and maintenance in the coal industry. It can also serve as a reference for self-evaluations of relevant green factories.
This document is applicable to the monitoring of land use types in coal mining areas using high-resolution remote sensing images, including underground coal mines and open-pit coal mines.
This document is applicable to the remote sensing evaluation of the ecological and environmental quality of open-pit coal mines.
This document is applicable to the remanufacturing of continuous mining machines.
This document is applicable to the use and management of continuous mining machines in the excavation of underground mine tunnels.
This document is applicable to the selection and technical guidance of complete sets of equipment for continuous mining machines during tunneling operations.
This document is applicable to the design of tunneling in coal seams or semi-coal and rock seams.
This document is applicable to the preparation and revision of intelligent construction plans for underground coal mines, open-pit coal mines, and coal preparation plants.