Research Article

Research on Coal and Rock Type Recognition Based on Mechanical Vision

Table 3

Analysis of gangue types and characteristics.

Gangue typesGangue characteristics

Lignitous coal gangueBrown, black, high hardness, low carbon content, containing Fe2O3
Bituminous coal gangueGray-white, carbonaceous rock, high hardness, components are Al2O3, SiO2, texture is very different from coal texture