【摘要】 介绍了国内外矿用局部通风机的发展概况,指出了国内矿用局部通风机发展滞后于技术的主要原因。重点阐述了新研制的FBDII系列对旋式局部通风机的工作原理、结构特点及设计要点。更多还原

【Abstract】 The developing general of local fna for mine at home and abroad is introduced,and main reason that it is lag at home is put forward.Work principle,structural characteristics and designing points of FBDⅡ series counter-rotating local fan are set forth.更多还原