Air Curtain Dust Removal Device Design and Dust Prevention Strategy in Heading Face

Figure 1

Roadway layout after installing ACDRD. (1) Forcing fan; (2) dust measuring spots; (3) dust removal device; (4) reproduced bridge; (5) S200MJ roadheader; (6) air curtain; (7) heading face; (8) air duct; (9) ACDRD; (10) dust collector; (11) exhaust fan; (12) belt conveyor.