Now pay attention to mine safety first, some new mine workers still do not know the shaft explosion-proof door operation is if the operation, which is on the one responsible, the following is a simple operation shaft explosion-proof door.
The operating shaft explosion-proof door
1, this design is suitable for the maximum negative pressure ventilation for 350 mm water column fan out type;
2, No. 7 welded steel pipe used in anti wind, normal work without proper custody;
3, explosion-proof door transport shall take the necessary measures to prevent deformation;
4, explosion-proof door frame installation should cooperate closely with the mining profession, to prevent deformation;
5, with the door frame and the door leaf, a door frame and the rear column to close the rubber to prevent air leakage;
6, a 3 hinge installation to ensure flexible lubrication, prevent rust, force strength;
7, all the explosion-proof door should be painted red camphor, then coated with black paint.
