What's the difference between fire shutter doors and ordinary shutter doors?

A shutter door (shutter door) is a door formed by connecting a plurality of movable joints in series, and rotates up and down around a scroll above the door in a fixed slide way. Rolling doors are suitable for commercial facades, garages, shopping malls, hospitals, factories and mines and other public places or houses. Fire shutter doors play the same role as firewalls in horizontal fire separation. It is composed of shutter plate, seat plate, guide rail, bracket, reel, box, control box, shutter machine, limiter, lintel, manual quick-release switch device, button switch, safety device, etc. 13, which is generally installed in the part that is inconvenient to be separated by firewall. For example, open elevator halls, escalators, large business halls of department stores, exhibition halls of exhibition buildings, and building parts where fire doors and windows cannot be used because of large openings. Fire shutter doors have been widely used in construction projects.

Fire shutter doors are indispensable fire-fighting facilities in modern high-rise buildings. Fire shutter doors not only have the functions of ordinary doors, but also have special functions of fire prevention, smoke isolation, fire prevention and evacuation protection, which are widely used in high-rise buildings, large shopping malls and other crowded places. Fire shutter door is composed of shutter door, roller, guide rail and electric device. The curtain plate is 1.5 thick cold-rolled strip steel rolled into "C"-shaped plate overlapping and interlocking, which has the characteristics of good rigidity and excellent sealing performance. Steel "R" series composite structure can also be adopted. In addition, it is equipped with temperature, smoke, light alarm system and water curtain spray system, which can automatically alarm and spray in case of fire, automatically lower the door body and close it at a fixed time, so that people in the affected area can be evacuated. The comprehensive fire protection performance of the whole system is remarkable. At present, the common rolling shutter door is still the most common one on the street. It opens the door with the loudest sound. It takes a lot of effort to open it manually for a long time, and it is electric and noisy.

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