In order to enhance the security and stability of the hoist system in resources intergration coal mine in Dengfeng Branch Company,through analizing shortcomings of the original electri-control hoist system,the paper proposed the method of transforming electric-control hoist system with full-digital variable frequency speed regulation system.

This paper elaboration the coal resource conformity process exists question in the serious restriction decides in the resources conformity step, proposed solves the question suggestion.

Dynamical analysis of coal resources exploitation based on the RS and GIS data fusion;

Chinese law has provided that coal resources belong to the state,but it never makes any distinction between coal resources ownership and right for use,which causes property right can t function properly in mining process.