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.
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.
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