MMB waterproof and fireproof closed doo

  The fire-proof and waterproof closed door has the characteristics of both waterproof and fire prevention
It is installed at the underground parking lot and the chamber entrance of the substation to prevent disasters in real time
This is similar to the prohibition of setting off fireworks in Tai'an City during the Spring Festival this year, so as to prevent serious pollution to the sky during the festival
How much is a set of waterproof and fireproof closed door and MMB waterproof and fireproof closed door? Let's take a look at the following introduction: the friends who first met MMB fireproof and waterproof closed doors and mining waterproof closed doors were shocked by its size and weight
Let's talk about its “ Body type ” The inner diameter ranges from 1
4 meters wide and 1
8 meters high to 2
1 meters wide and 2 meters high, and the weight ranges from 800 kg to 34 tons
Compared with other ordinary air doors, it is really unusual, that is, only the shock wave resistant explosion-proof door used in the refuge chamber can compete with the fireproof and waterproof closed door
Why does it have such a shape? Jinan Dongshan mining company believes that this is very important to the quality required by the construction of coal mines, iron mines and other mining enterprises

In order to produce good waterproof and fireproof airtight doors to meet the needs of mine construction, transformation and upgrading, the following steps must be followed:
1
Material selection is not only for mining waterproof closed doors, but also for other products
Purchasing high-quality steel and welding rods that meet national standards is the premise to ensure quality;
2
Equip electric welders with excellent welding technology and strong sense of responsibility;
3
Adhere to the national standard drawings, process flow or the technical agreement signed by the supplier and the demander, and do not lose shape or discount in the production process

The above three points are only the basic points to ensure the quality of fire-proof, waterproof and closed doors
Many details have not been released, and they only serve as the finishing touch here
The principle that defense is greater than rescue is strictly implemented in the process of coal mine construction
Shandong Futong mining can not relax when it comes to the fire and waterproof closed door