FM underground explosive storehouse shock-resistant closed door

Introduction of FM underground explosive storeroom shockwave resistant closed door products

The shockwave resistant closed door of FM underground explosive storehouse is used for underground material storehouse and material release chamber to isolate. Prevent the flame and poisonous gas produced by impact wave from diffusing to the external roadway and discharging from the main return duct.

FM underground explosive storehouse is composed of shockwave resistant closed door structure

The shockproof closed door of FM underground explosive storehouse is composed of door frame, door leaf, locking device, dumpling leaf and other parts.

1. The door frame is a welded frame structure with unequal corners.

2. The upper part of the door leaf is equipped with three sets of ventilating valve devices, that is, there are three sets of 18 ventilation holes with a diameter of 122mm open in the bottom plate of the door, and the outside of the valve plate is equipped with the valve suspension plate with an automatic opening Angle of 12 degrees.

3. The locking device is provided with two groups, one of which is the locking shaft normally used for closing, with the handle turning type; The other group is the emergency locking device, whose function is when the impact force is greater than 294N, instantly, the door and the door frame are closed, the sealing ring is compressed, the lock head enters the lock core, and the double spring is moved to brake the lock and prevent the door from bouncing. Turn the handle of the outer key to remove the lock.

4, the dumpling page adopts one-way thrust ball bearing support, the middle of the use of spring folding, to ensure that the door automatically closed.

5. Sealing mode adopts "9" shape cross section rubber strip sealing.

Technical parameters of shockwave resistant closed door for FM underground explosive storehouse

Physical picture of shockproof closed door of FM underground explosive storehouse