The advantages and problems in the development of fire doors in Henan Province Fire doors are more popular in recent years, so how much do you know about the maintenance, advantages and development of fire doors? The following section will provide you with a comprehensive knowledge of fire doors, so that you can better understand fire doors. major Class A fireproof door Fireproof door is a kind of movable fireproof partition. In addition to the function of ordinary door, it, together with the frame, can meet the requirements of fire resistance stability and integrity within a certain period of time. It has special functions of fire prevention, smoke separation and high temperature blocking. In case of fire, it should have self closing and signal feedback functions. （1） Advantages of fire doors In case of fire, Henan fire doors and windows can be automatically closed through the linkage control system when they are in the open shoulder state, effectively ensuring the reliable closing of fire door maintenance in the fire, so as to achieve its due role in smoke separation and fire resistance. There is no big difference between the maintenance of fire doors and the maintenance of normally closed fire doors in terms of production and basic configuration, but the door closers for the maintenance of normally closed fire doors are replaced with automatic fire release devices that are linked with the automatic fire alarm. At the same time, they can be installed with the control box produced by the manufacturer. Linkage is achieved by installing smoke detectors and smoke detectors on the left and right sides of the maintenance of fire doors, When the smoke detector detects the smoke signal and sends it to the host computer of the automatic fire alarm linkage control system, the linkage control system transmits 24v power to the fire door maintenance releaser to automatically close the fire door for maintenance. The closing or opening status of the fire door maintenance has signals fed back to the alarm host computer or control box. Class A fireproof door Manufacturer The automatic release device for fire door maintenance developed by Dong Shicong of Chengdu Huili University Research Institute can open the fire door maintenance for 0-180 degrees freely and close it smoothly, completely changing the disadvantage of inconvenient use of the normally closed fire door maintenance closer due to its large opening angle of 90 degrees, and once the fire door is closed for maintenance, the release device will not be reset, It has become a movable fire door maintenance that automatically opens, closes, opens and closes, overcoming the contradiction that normally closed fire doors must be manually closed or cannot be closed after being pushed to a certain limit (greater than 90 degrees) for maintenance; The lesson of blood proves that people who escape from a fire simply cannot close the opened fire door for maintenance due to panic and eagerness to escape.

The operation method of Henan fire doors is recognized by the laboratory of the Ministry of Economy of the Ministry of Fire Protection. According to the new version of the standard for fire doors GB_12955-2008 implemented on January 1, 2009, those who pass the fire resistance test method of fire doors and obtain the registration certificate and authorization mark issued by the Bureau of Standards and Inspection of the Ministry of Economy are called fire doors. major Class A fireproof door The fire door defined in the American NFPA and IBC codes is "the combination of any fire door leaf, door frame, hardware and other accessories that can jointly provide a certain degree of fire protection at the opening." Operation method Henan fire door widely carries out publicity and education on the use, maintenance and management of fire prevention facilities within the jurisdiction of the fire department in charge, Efforts should be made to improve people's awareness of fire protection and self-protection; Extensive publicity, education and training on fire protection and umbrella protection knowledge shall be carried out for units installed with fire door maintenance, so as to make every employee understand the basic knowledge of the use, maintenance and management of fire door maintenance, and consciously participate in the maintenance and management of the Gate of Life, so as to keep them in a state of combat readiness at all times; The fire door maintenance purpose, function and good use status and basic requirements for use shall be posted on the fire door maintenance, and the words "normally closed fire door maintenance, please close at any time" shall be written on the conspicuous position of the normally closed fire door maintenance, so that customers and the masses can understand the basic knowledge of fire door maintenance. Class A fireproof door Manufacturer Carry out publicity activities to protect fire-fighting facilities and equipment, and mobilize everyone to participate in the protection of fire-fighting facilities such as fire door maintenance.

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 Class A fireproof 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. Class A fireproof door Manufacturer 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 type, type, specification, size, opening direction, device position and anti-corrosion solution of Henan fire rolling shutter door shall meet the design requirements. major Class A fireproof door The accessories of the roller shutter door are complete, the position is accurate, the device is stable, and the function should meet the use requirements and various performance requirements of Luoyang roller shutter door. The rolling shutter must be firmly installed, and the number, position, embedding method and connection method with the frame of the embedded parts must meet the design requirements. The appearance of the rolling shutter door shall be clean without scratches and bruises. Eight advantages of Henan fireproof rolling shutter door: energy saving: two key technologies realize energy saving. First of all, the door opening design and double door interlock greatly shorten the door opening cycle. For clean rooms, the shortening of the door opening cycle can reduce the indoor air loss and improve the insulation capacity. In addition, there are double rows of encrypted sealing brushes inside the column of the fast door, and the pvc base card design makes installation and replacement convenient. Cost saving: The fast door is equipped with a LCD display, which will prompt when the door fails to operate, and the code or Chinese display will be displayed. This can avoid costly downtime and time-consuming technical maintenance, which greatly saves costs. Complete types: fast doors include explosion-proof fast doors, wind resistant fast doors, zippered fast doors (also called anti-collision automatic reset fast doors). Rich functions: Henan explosion-proof rolling shutter door can be linked with the air shower room, goods elevator, mechanical arm, assembly line, etc. High efficiency: according to the actual situation and requirements of customers on the site, provide a variety of control switches to improve the efficiency of daily operation. There are radar induction door opening, rope pulling door opening, geomagnetic induction door opening, remote control door opening, card swiping door access control door opening and other door opening methods. Safety: The bottom of Henan fast rolling shutter door is air tight and soft, and the door curtain is soft. There are safety photoelectric devices on both sides of the track. When there are people or obstacles under the door body, the door body will not fall, to ensure that people will not be touched by the door body. Class A fireproof door Manufacturer After sales guarantee: the control system of the fast door can timely identify the fault of Henan fast rolling shutter door, and then solve the problem in time. Yuou Door&Window Technology has a special after-sales maintenance department, which can respond within 12 hours if there is a fault.