The difference between fire door and fire shutter

    Fire control facilities is a important guarantee to raise the capacity of its resistance to fire, and keep the good condition, relates to whether fire forecast in time, can timely and effective control and elimination of fire, can you help for evacuation and fire fighting and rescue operations. This paper mainly introduces the basic concept and working principle, operation method and operation requirement of fire door and fire shutter.

    1. Fire door

    Fireproof steel door is a door that can meet the requirements of fire stability, integrity and heat insulation within a certain period of time, together with the framework. It is usually set on fire partition walls, evacuation staircases, vertical shafts and so on.

    1. Fire door composition.

    Fire door is made up of door frame, panel (filled with insulation material), fireproof hardware fittings, electromagnetic door suction and so on. The door fan is formed through a hinge joint, which is equipped with door closets and fire locks, and double doors are equipped with a dark bolt (on the side of the fixed fan) and a shunter to prevent the overlap between the doors. The fire detector and fire linkage control system are connected with the open fire door.

    2. Classification of fire doors.

    According to material: wood fire door, steel fire door, steel wood fire door, other material fire doors; According to the number of doors: single fire door, double fire door, multiple fire doors; According to the structure type: fire door with fireproof glass door, door frame single slot and double slot, bright window fire door, inorganic glass fire door; According to open and closed state: open fire door, often closed fire door; According to the fire-proof performance: heat insulation fire door (class A), partial heat shield fire door (class B), non-thermal fire door (class C).

    3. Fire door control.

    Normally open fire door and normally closed fire doors are open in the direction of evacuation, fire door installed a release and a single unit module, double door installed two fire doors release and single unit module. Fire door either side of the fire detector alarm after through the bus report to the fire alarm controller, fire alarm controller action to fire door linkage module, linkage module driver release free action, the freed fire door under the effect of door closers elastic automatically shut down. At the same time, fire door releasers input single linkage module of fire door state signal, and then send it to the fire control room through the alarm bus.

    Second, fire shutter.

    Fireproof rolling curtain refers to a curtain that can meet the requirements of fire-resistance integrity within a certain period of time, together with the framework. Fire shutter is a kind of fire compartmentation, opening and closing mode for the vertical roll of fire shutter rolled up at ordinary times on the turning axle box on top of the Windows and doors hole, when a fire to be put down, to prevent the fire from spreading from Windows and doors hole. The fireproof roll curtain is usually set up on the escalator, the atrium and each floor corridor, the opening part of the hall, the room, and the place where the fireproof separation facilities should be set up.

    1. Composition of fire shutter.

    Fire shutter is it by shade plate, plate, guide rail, bearing, scroll, cabinet, control box, aus, limiter, signage, manual speed open shut device, push button switch and insurance device of uniform. The equipment has smoke, temperature detector and fire linkage control system.

    2. Classification of fire shutter.

    Fire shutter according to its fire resistance can be divided into ordinary steel fire shutter (≧ refractory limit 2 h), composite steel fire shutter, fire endurance ≧ 3 h), super fire shutter (≧ refractory limit 4 h), when ordinary steel fire shutter is used in the fire compartmentation, to fire shutter with automatic sprinkler protection.

    3. Fire shutter control.

    Automatic control: after the fire detector's action, in the linkage case, the fire curtain that is used as the fire protection division falls to the bottom; Used as the fire shutter on the evacuation passageway, the curtain falls to the ground 1.8m, another temperature detector movement, the roller curtain falls to the end.

    Mechanical operation: take out the chain first, pull down the chain on the side of the scroll, and the curtain goes down; Pull down the other side of the chain, and the curtain rises.

    Manual operation: open in the shade on both sides of the manual operation on or near the building component box, press "up" (or marked "Δ" graphics) key, shade the up volume, according to the "downside" (or marked with "" graphics) keys, shutter namely to fall; Press the button in the middle and the screen will stop running; The other one is: the manual construction of the control module corresponding to the descending control module in the fire control room shall be provided, and the feedback signal will be sent to the fire control room when the roll curtain reaches the designated