你真正了解大连卷帘门门吗？

　　Do you truly understand Dalian rolling shutter doors?

　　根据国家相关的规定，防火门所用木材应为阻燃木材或用防火板包裹的复合材，并达到标准的难燃性要求。目前国内木材阻燃处理一般是在一定温度、压力下金属储罐中用含磷、氮等的水性阻燃剂进行木材浸泡处理，使阻燃剂渗透到木材内部≥5mm处，然后烘干，再根据实际尺寸对木材表面进行刨平和细加工。为了透光和美观，大多数防火门装有玻璃窗，按照GB12955-2008规定，国标的是（200*600）玻璃窗。具有耐火隔热性能的防火玻璃一般为夹层玻璃，两层玻璃中间是防火胶。防火胶一般由丙烯酰胺水溶液在一定温度下添加引发剂聚合成一定分子量的丙烯酰胺粘稠液体，溶液中添加其它无机耐火材料。

　　According to relevant national regulations, the wood used for fire doors should be flame-retardant wood or composite material wrapped with fireproof boards, and meet the standard flame retardant requirements. At present, the flame retardant treatment of wood in China is generally carried out by soaking the wood in metal storage tanks under certain temperature and pressure with water-based flame retardants containing phosphorus, nitrogen, etc., so that the flame retardant penetrates into the interior of the wood by ≥ 5mm, then drying, and finally planing and fine processing the surface of the wood according to the actual size. For the sake of transparency and aesthetics, most fire doors are equipped with glass windows. According to GB12955-2008, the national standard is (200 * 600) glass windows. Fireproof glass with fire-resistant and thermal insulation properties is generally laminated glass, with fire-resistant adhesive between the two layers of glass. Fireproof adhesive is generally synthesized by adding an initiator to an acrylamide aqueous solution at a certain temperature to form a viscous liquid of acrylamide with a certain molecular weight. Other inorganic refractory materials are added to the solution.

　　卷帘门门中必不可少的其他五金配件有闭门器、防火锁、防火铰链、插销等，其中防火锁、防火铰链、插销只要满足设计要求，其日常使用较少，而闭门器、开关顺序器有可能因为使用不当造成损坏。防火门不是摆设，不要在发生火灾的时候才会想起， 据了解，目前多数防火门不是因年久失修损坏失去防火作用就是被锁起来或是撤掉、堆积物品。殊不知，一旦失火，后果不甚设想，非常是商场、市场、大楼等人流密集的地方。划分防火分区，控制分区建筑面积所设防火墙和防火隔墙上的门。当建筑物设置防火墙或防火门有困难时，要用卷帘门门代替，同时须用水幕保护。

　　Other essential hardware accessories in rolling shutter doors include door closers, fireproof locks, fireproof hinges, and locking pins. Among them, fireproof locks, fireproof hinges, and locking pins are less commonly used as long as they meet design requirements, while door closers and switch sequencers may be damaged due to improper use. Fire doors are not just decorations. Don't only think about them when a fire occurs. It is understood that most fire doors currently lose their fire protection function due to long-term disrepair, damage, or being locked, removed, or piled up with items. Little do they know that once a fire breaks out, the consequences are unimaginable, especially in crowded places such as shopping malls, markets, and buildings. Divide fire zones and control the fire walls and doors on the fire partition walls set up to control the building area of the zones. When it is difficult to install firewalls or fire doors in buildings, rolling shutter doors should be used instead, and water curtains should be used for protection.

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