Waterproof closed door

型号：

1400*1800

作用：

防水

品牌：

世邦

Waterproof airtight door, mine airtight door, mine waterproof airtight door&B airtight door, first airtight door
Waterproof airtight door, what are mine waterproof airtight doors used for?
We have all seen doors in daily life, but what about mining doors? It can be used in dangerous underground mine environments. What are the requirements for mining doors? According to different use environments, mine doors are divided into: mine waterproof closed doors, mine fire fence dual-purpose doors, pressureless air doors, mine pressureless air doors, mine anti-shock doors, mine refuge chamber doors, thin-shell type Waterproof gate, air shaft explosion-proof door. Let’s take a look at the mine airtight door first:
Product name: Waterproof airtight door, airtight door
Airtight door, mine airtight door, how much do you know? Waterproof and fireproof sealed doors under mines, let us get to know the sealed door handles!
Precautions for using explosion-proof B waterproof closed doors for mining machinery
Check the concentration of harmful gases such as gas and carbon dioxide at the construction site. The construction site must be well ventilated, and the concentration of gas and carbon dioxide gases shall not exceed the provisions of the "Coal Mine Safety Regulations".
Check the support conditions of roofs and lanes before and after the construction site, report and deal with any problems in a timely manner, and start construction only when there are no hidden dangers.
The perimeter of the wall should be re-grooved to see the hard top and hard sides, and the wall should be solidly connected with the coal and rock to make the wall surface smooth and free of cracks, heavy joints and empty joints. The following points should be paid attention to when digging out:
Cable lines need to be passed through fire doors and sealed door walls. When building walls, holes must be reserved. When cables pass through, cable conduits must be installed and pressed. Cable suspension spacing is arranged neatly.
Fire doors and airtight door walls must be constructed of non-combustible materials and must be airtight and airtight. When building a wall with bricks, the stubble should be staggered, the horizontal joints should be level, and the arrangement must be neat. Prepare mortar according to the proportion of ash and sand.
During the process of building fire doors and airtight doors, other personnel are strictly prohibited from approaching the operators to prevent tools and materials from falling and injuring personnel.
<=_
Contact person: Manager Tong Tel:
:& Fax:
Email: @
Address: Yandian Town Industrial Park, Yanzhou City, Shandong Province
& _Kantuwang