Outer atomizer of spiral and colliery digging device

The utility model provides an outer atomizer of spiral and colliery digging device relates to mining technical field. The outer atomizer of this spiral includes water source pipeline, air supply pipeline and atomizing injection apparatus, and atomizing injection apparatus includes gas -liquid conveying line and spiral nozzle, and water source pipeline gentleness source capsule lu junyu gas -liquidconveying line's entry feeds through gas -liquid conveying line's export and the entry of spiral nozzle intercommunication. Can produce the vaporific water column of propeller shape, vaporific area is showing to be increased, has strengthened dust removal effect. This colliery digging device includes the outer atomizer of above -mentioned spiral, and it can be got rid of the coal petrography powder more effectively and wait the dust on the working face, and reduce environmental pollution is favorable to ensureing staff's physical and mental health. 本实用新型提供了种螺旋外喷雾装置及煤矿采掘装置，涉及采矿技术领域。该螺旋外喷雾装置包括水源管路、气源管路和雾化喷射装置，雾化喷射装置包括气