Abstract: We introduced a new type mine-used automatic dust removal device of gas-water linkage, which was applied in belt conveyor transshipment points, and the installation and usage of this device was presented. The automatic dust removal device of gas-water linkage could achieve the automatic detection and control for automatic dust removal of transshipment point during the production process of automatic coal flow, it improved the automation degree of coal flow system and the dust removal effect of belt conveyor transshipment points, thus ensured the safety production.