The role of Henan fire doors in fire protection We often see on the ground of some large or local places that no one is allowed to stand under the fire facilities or shelves are placed. major Refuge bay door Then, the primary use of assembling fire doors is that if a fire occurs in a certain place, the rolling shutter door can stop the extension of the fire when it is put down. Usually, the fire doors in such large buildings have automatic central control systems. Once a fire occurs, you can automatically implement a series of behaviors, and the fire doors will automatically lower the fire. The following is the employment process of the automatic control system of the fire door. When a fire occurs, the smoke sensor installed on the roof receives the flag of the smoke and alarms to the central control system. After identification, the control system of the fire center connects the power supply of the fire door in the fire alarm location area, so that the fire shutter in the fire area will fall to the ground at the required rate. When the roller shutter passes to a position about 1.5 meters above the ground, stop the activity, so as to facilitate the evacuation and evacuation of employees on site. After the associated employees withdraw together, the fire door will continue to go down until it is closed. The descending rate of the fire door and the time of stay during the period can be adjusted according to the number of employees. Refuge bay door Price It is not only such places that are equipped with fire doors, but also in some staircases, corridors and other places. Since fire is rarely generated and some fire prevention settings are easy to use, the conditions must be inspected regularly by dedicated staff.

Henan fire door selection method Fire door is particularly important as a family fire protection, but when you buy low-quality fire door, the fire door is no longer fireproof, what should you do? The fire department of our city investigated and destroyed a batch of inferior fire doors with honeycomb paper instead of fireproof filler materials. Here, the firefighters introduced some tips on how to select and purchase high-quality fire doors. According to the regulations, steel and wood fire doors can be divided into Class A, Class B and Class C according to the fire resistance limit. The fire resistance limit requirements are 90 minutes, 60 minutes and 30 minutes respectively. In addition, the wood used to make wood fire doors needs drying and flame retardant treatment, and the hardware used must also be fire hardware. major Refuge bay door There are five ways to choose high-quality fire doors: one is to check the appearance, high-quality steel fire doors are firmly welded, and the welding spots are evenly distributed; The external surface shall be sprayed flat and smooth; There shall be product mark, quality inspection mark and quality certification (approval) mark at the specified position. Refuge bay door Price The qualified wooden fireproof door shall be intact without damage, and the surface shall be clean without plane marks, burrs and hammer marks; Corner cutting and butt joint shall be tight and flat. The second way is to check the figures. The overall dimensions of qualified products should be less than or equal to the overall dimensions in the sample description, the door leaf thickness should be greater than or equal to the door leaf thickness in the sample description, the door frame sidewall width should be greater than or equal to the door frame sidewall width in the sample description, and the overall dimensions of fire-resistant glass should be less than or equal to the overall dimensions of fire-resistant glass in the sample description, The thickness of fireproof glass shall be equal to or greater than the thickness of fireproof glass in the sample description.

Maintenance methods and precautions of Henan fireproof door Maintenance methods and precautions of Henan fireproof door: 1. Door leaf and door frame shall be placed horizontally and stacked indoors with backing plates, and the frame and door leaf shall be stacked separately. 2. It is strictly prohibited to store together with acid-base substances. The room should be clean, dry and ventilated. 3. It shall be stored in the room with backup frame and separated from the heat source to avoid thermal deformation. 4. Try to avoid outdoor sunshine for a long time to prevent the fire door from being heated. 5. Keep the indoor air circulation and prevent the fire door from frequent damp. major Refuge bay door After splashing with water, wipe it with dry cloth to avoid local expansion. 6. To prevent the fire door from being hit abnormally, it is not advisable to use excessive force or open the door at an excessive angle. 7. It is not allowed to hit the door body with sharp tools and heavy objects to prevent the door body from being sunken, scratched and peeling off the paint film. 8. The concealed bolt of the upper and lower fire door shall not protrude when the door is open, so as not to collide with the door frame, deform or fall off and lose its function. 9. Do not support the door for a long time without closing it, which will damage the door closer and make it lose its function. 10. Do not pull off the fireproof seal, or it will lose its function in case of fire. 11. Check every three months to ensure that the fixing screws of hinges, door locks and door closers are not loose. 12. When the hinge makes abnormal noise, add a few drops of lubricating oil to the hinge shaft. 13. The fire door closer must be replaced in case of oil leakage. Refuge bay door Price Then, the Henan Fireproof Doors and Windows Editor summarized the above contents into the following points, and you must remember! Do not always open: it is prohibited to manually keep the normally closed fire doors set on the evacuation walkway, the front room of the smoke proof staircase or the shared front room open during the use process to become "normally open" fire doors. In case of a fire, such "normally open" fire doors can not prevent smoke and fire; Regular inspection: frequently check the integrity of the fire door, check whether the door closer and sequencer are in good use, whether the fire door can be closed automatically in order, and whether the screws on the hinge and hinge are loose. If damaged, immediately organize maintenance; Decoration: one-sided pursuit of decoration effect, canceling the fire door frame and setting only the door pocket made of ordinary wood, replacing the original frame of the door leaf with other materials, and adding decorative surface layer in a large range, thus damaging the fire retardant coating and failing to achieve fire retardant effect; Regular test: the normally open fire door shall be tested regularly to check whether its self closing control system, door closer, sequencer, release switch and other aspects are easy to use, whether it can effectively perform the self closing function in case of fire, and at the same time, it is necessary to resolutely prevent the random stacking of articles near the normally open fire door.

The introduction of Henan fire rolling shutter door is a kind of fire prevention and heat insulation facilities suitable for large openings of buildings. The product has played a certain role in the design and installation of technology. major Refuge bay door Fire resistant rolling shutter doors are widely used in the fire partition area of industrial and civil buildings, which can effectively prevent the spread of fire and ensure the safety of life and property. They are indispensable fire prevention facilities in modern buildings. Installation requirements and instructions for fire shutter door 1. The upper part of the opening where the shutter door is installed shall not be equipped with ventilation pipes, water pipes, etc; 2. After the roller shutter door is installed, install the suspended ceiling. The edge of the suspended ceiling should be 50mm away from the curtain plate to avoid friction; 3. During commissioning and use, it is strictly prohibited to stand at the bottom. Refuge bay door Price Electrical facilities shall not be removed without authorization; 4. According to the fire management regulations, the chain lubricating oil of the starting motor must not be missed during the routine fire safety inspection every quarter, which is also an important part of the omission of many property management units or fire protection units during the inspection.

What are the requirements for the opening direction of the door of Henan Refuge Room? Fire doors play an important role in life. The opening direction of fire doors is very important. The Code for Fire Protection Design of Tall Buildings has clearly stipulated that the stairwell should be opened in the direction of evacuation, such as the stairwell should be opened in the direction of the staircase lobby, so as to facilitate the evacuation of people. major Refuge bay door In addition, the front room is generally a place of refuge and an evacuation passageway. In case of a fire, positive pressure air supply is required. If it is not installed in the above opening direction, the air pressure may open the fire door, causing fire and smoke leakage. 4. Classification 4.1 According to the number of door leaves, there are steel single fire door and steel double fire door. 4.2 According to the door leaf structure, there are steel fire door with glass lining, steel fire door without glass lining, steel fire door with bright window and steel fire door without bright window. Refuge bay door Price According to the fire resistance limit, there are Class A fire doors, Class B fire doors and Class C fire doors.

Henan fireproof door is generally set in the following parts. (1) Close the evacuation staircase to the walkway; Enclose the elevator hall, the door leading to the front room and the front room leading to the walkway. (2) Inspection doors of vertical pipe shafts such as cable shafts, pipe shafts, smoke exhaust ducts, garbage ducts, etc. Henan fire door (3) divides the fire compartment, controls the fire wall and the door on the fire partition of the building area of the compartment. major Refuge bay door When it is difficult to set firewall or fire door in the building, fire rolling shutter door shall be used instead, and water curtain shall be used for protection. (4) Code (such as GB50016-2014 Code for Fire Protection Design of Buildings) or partition door with special requirements for fire and smoke prevention. For example, the partition doors of equipment rooms (cylinder rooms, foam stations, etc.) attached with fixed fire extinguishing devices in high-rise civil buildings, ventilation, air conditioning rooms, etc. should be Class A fireproof doors; The door on the partition wall of the basement room where people often stay or there are many combustibles shall be Class A fireproof door; Due to limited conditions, it is necessary to arrange oil fired and gas-fired boilers, oil immersed power transformers, high voltage capacitors and switches filled with oil, etc. in high-rise buildings. The doors on the partition walls of special rooms should be Class A fireproof doors. Refuge bay door Price There are also household doors with special requirements that must be fireproof, such as fire control command center, archives room, valuables warehouse, etc., which usually use Class A or Class B fireproof doors. Fire and burglar proof doors are often used as household doors in high-rise and high-grade residential buildings. GB 12955-2008 Requirements for Fire Resistance of Fire Doors Fire doors are an important part of fire fighting equipment and an important part of social fire prevention. Fire doors should be equipped with fire door closers or door closers that allow normally open fire doors to automatically close the door leaves in case of fire (except for special parts, such as pipeline shaft doors, etc.). That is to say, except for some special parts, such as pipeline well doors, which do not need to install door closers, other parts need to install fire door closers.