Development of Automatically Handle Relief Agencies of Ventilation Door for Coal Mine
LI Zu-guo
SUN Xiao-lei
Abstract：Because of the negative pressure in the underground of Hegang coal mine Co., LTD, it is difficult to open the ventilation door.How to release the pressure while opening the ventilation door remains s technical problem.This design of two -way rotary shutters automatically handle relief agencies to address the difficult issues open throttle to achieve a relief , wrapped up in a short time to open the door , and convenient operation , and observed between two ventilation door , is able to watch the conditions in other channel , whether traffic , pedestrians , interlocking mechanism is normal.This device has broad market prospects.
Keywords：dampertwo-way handlerotary shutterpressure relief agencies
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 47-50 )