Device and method for forming local dust-free space for use in mine

The present invention relates to an apparatus and a method for forming a partially dust-free space for mining. The partially dust-free space includes a planar jet air curtain generation apparatus and a fresh air supply system. The planar jet air curtain generation apparatus includes an air curtain generator, an air supply duct, and an air curtain supply box. The air curtain generator is of a tubular structure. An air exhaust groove is formed on one side of the air curtain generator, and a plurality of deflector blades are uniformly distributed in the air exhaust groove. A vertical jet air curtain is blown out of the air exhaust groove of the air curtain generator. The air curtain is inclined outwards at an angle of 150 to 200 along a connecting line of the air curtain generator, and a plurality of air curtains hermetically connected end to end enclose a relatively closed dust-free space. The fresh air supply system is arranged above the dust-free space, to supplement fresh air into the dust-free space from top to bottom. ¼