Fire dual fence gates

Water, fire, gas and coal dust, coal mine roof for five natural disasters, any link problems will affect mine production, and even endanger the mine equipment, facilities, and even the miners lives. Coal mine fire doors are facilities for underground fire at the mine during Fire Prevention, fire doors can be used for air flow regulation, scheduling (increase or decrease air flow, short circuit ventilation, anti-wind, etc.), so as to control the spread of fire and development. When underground event of fire, immediately turn the fire doors, blocking the fire zone. Fire doors as fire safety, have a negligible effect, it relates to the lives and safety of state property and the majority of miners. Fire fence dual doors for easy control under normal circumstances chamber ventilation rate, and in the event of accidental fires, to facilitate the rapid isolation of ventilation, can fully meet the "Coal Mine Safety Regulations" and "safety and quality standardization standards" requirements, and has the shape beautiful, innovative, practical advantages, its structure is simple, easy to install, replace, easy to operate. Combined with high strength, not easy to deformation, after the closure of small portions of the gap can be popularized in the coal industry. A fire barrier doors simple, practical, and great strength, not easily deformed, so that the fire door maintenance is reduced, and thus suitable for long-term use; 2, the replacement of the fire barrier doors are also quite easy, just unplug the cotter pin can be easily removed, Also convenient installation. 3, contact doors and door frames larger contact area, more closely after the fire doors closed, a smaller amount of air leakage. 4, the outer fence of dual-use fire doors installed in the upper part of the gate, the two may at any time installation and removal of the sliding door, door switch size can be adjusted, can be easily removed or placement when necessary, to control air flow greater flexibility.