公开(公告)号：US20210047927A1

公开(公告)日：2021-02-18

申请号：US16966295

申请日：2019-06-26

Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Wen NIE ,  Zihao XIU ,  Dawei CHEN ,  Peng CAI ,  Huitian PENG ,  Jiayi YAN ,  Qiang LIU ,  Bo YANG ,  Tao DU ,  Shibo YANG ,  Haihan ZHANG ,  Huajun LIU

IPC: E21F5/20 ,  E21C27/02 ,  E21F5/04

Abstract: Disclosed are an absorption-induction convectional dust-controlling/removing air/fog curtain device of a fully-mechanized working face and a method thereof, belonging to the technical field of dust removal of coal mine. The device includes an extraction type dust-purifying blower, a sector deflector, a shearer external spraying device and an inter-hydraulic-support spraying device, wherein the shearer external spraying devices are mounted at both sides of a body of a shearer close to rocking arms of the shearer and the inter-hydraulic-support spraying devices are mounted at two un-advanced hydraulic supports and two hydraulic supports at a leeward side of a front drum of the shearer respectively, so that spraying is performed at a certain angle to form corresponding fog curtains so as to perform spraying precipitation for a large amount of dusts produced by support advancing and coal cutting. Two extraction type dust-purifying blowers symmetrically mounted at the body of the shearer close to the rocking arms are started simultaneously, air inlets of two blowers directly face front and rear drums of the shearer respectively, and air outlets of two blowers are connected with the sector deflector. The device and the method of the present disclosure are of great practical significance for improving a working environment of workers working at the fully-mechanized working face and ensuring safe production of coal mine.