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3.3: Zhongan Mining anti-shock wave valve
Zhongan Mining anti-shock wave valve manufacturer
3.3: Zhongan Mining anti-shock wave Sealed Doors
Zhongan Mining Resistant Shock Wave Sealed Door Manufacturer
Zhongan Mining specializes in the production and sales of various mining doors, shock wave resistant doors, impact resistant air doors, impact resistant sealed doors, waterproof sealed doors, and fireproof fence doors , Inclined shaft explosion-proof doors, refuge chamber explosion-proof doors, various mining doors! Anti-shock wave valves are used in underground material warehouses and material distribution chambers to resist shock waves, adjust the required air volume and isolate the warehouse.
The main structure of the anti-shock wave valve: This anti-shock wave valve is composed of door frame, door leaf, locking device, dumpling leaf and other components.
The door frame is made of unequal angle steel assembled and welded frame components.
. The upper part of the door leaf is equipped with three sets of ventilation valve devices, that is, there are three sets of ventilation holes with a total diameter of
on the bottom plate of the shutter, and the outside of the shutter plate is equipped with an automatic opening angle
Trap door suspension plate. The ventilation volume of each group of valves is
and the total ventilation volume is
, and the wind speed is designed according to The number of valve groups can be adjusted, and the opening angle of each group of valve hanging plates can be adjusted for fine adjustment to meet the optimal ventilation volume.
, the valve hanging plate will be pressed at
~
It automatically closes inside and isolates it from the outside world, preventing explosion shock waves and flames and toxic gases generated by the explosion from spreading to the external tunnels and being discharged from the main return air duct.
. Locking device setting group
, one group is the locking shaft and handle rotation type for normal closing, and the other group is the emergency locking device. Its function is that when the impact force is greater than
, it will instantly The door and door frame are tightly closed, the sealing ring is compressed, the lock head enters the lock core, and the double-leaf spring is turned to brake the lock to prevent the door from rebounding. The lock can be unlocked by turning the outer key handle.
The lower hinge is supported by a one-way thrust ball bearing, and a spring hinge is used in the middle to ensure that the door closes automatically.
, the sealing method adopts
shaped cross-section rubber strip sealing. Our company has been committed to researching mining doors for many years. We have sold them in hundreds of areas and have been well recognized for our quality! Our company also has corresponding certificates, all of which are mining door operation certificates issued by the national mining management department! Zhongan Mining welcomes your call. Our factory has all kinds of mining doors in stock for a long time. If you call us, we will prioritize customization for you! Quality guaranteed!
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