Vertical Air Shaft Explosion Door Application
Vertical Air Shaft Explosion Door is used to air shaft wellhead, when the fan stops running when the blast doors that automatically rises. When a mine disaster, the blast doors automatically open, releasing energy, protect the main blower from damage. Explosion-proof doors are based on wellbore diameter selection, its adaptation to the negative pressure fan, there is no greater than 3432pa and 4413pa two kinds.
Vertical Air Shaft Explosion Door Main Structure
The vertical air shaft door including explosion proof cover, anti-air unit, weight unit and other components.
The structure of the explosion-proof cover by cone, is divided into four parts connected, each part by steel plate, Angle steel compound forming;
2、Back to the wind device for the pressure plate type;
3、The heavy hammer device consists of a heavy hammer, pulley, weight;
4、Using steel compound outer ring seal plate fixed delta 15 rubber seal.