使用防火门自动合上就须设自动闭门器

众人都了解由于在外边的火灾发生时人们不可能唾手关门，故咱们的防火门一定自动合上，咱们就须设自动闭门器。方今，咱们的自动闭门器分为油压式以及弹簧式两类，用防火门者多为单向开启的油压式门顶弹簧及单管式弹簧合页。

Everyone knows that it is impossible for people to close the door when a fire breaks out outside, so our fire doors must close automatically, so we must set automatic door closers. Today, our automatic door closers are divided into two types: oil pressure type and spring type. Most of those using fire doors are oil pressure type door top springs with one-way opening and single tube spring hinges.

在这里提示咱们需求关注的是，不要误将咱们的这类自动闭门器装在受火面的一边，免得在火灾时遭咱们的高温毁坏。并且日常要包管自动闭门器生动有用，假如一旦破损要赶紧调换。

Here we are reminded to pay attention to the fact that we should not install this kind of automatic door closer on the side of the fire surface by mistake, so as to avoid being damaged by our high temperature in case of fire. And daily to ensure that the automatic door closer is vivid and useful, if it is damaged, it should be replaced immediately.

专作疏落的楼梯间防火门，日常为了防盗在运用中往往被锁上。为了处理既防火又防盗的问题，此类防火门可采用电磁门锁。

The fire doors in staircases, which are designed for scattering, are often locked in daily use to prevent theft. In order to solve the problem of both fire prevention and theft prevention, such fire doors can adopt electromagnetic door locks.

本楼职员有用钥匙开启进路，火灾时由烟感器联动或消防管制室远距离管制而接通电路，锁舌则在磁力作用下缩回，门便可被推开。也可设置方便的机械式推杠门锁，每一时辰从内部只要一推门便可敞开，人出走后门便回弹合上，从外边进路则要用钥匙开启，故可预防作案者进路楼内。

The staff of the building can use the key to open the route. In case of fire, the circuit will be connected through the linkage of smoke detectors or the remote control of the fire control room. The lock tongue will retract under the action of magnetic force, and the door can be pushed open. A convenient mechanical push bar door lock can also be set, which can be opened by pushing the door from the inside every hour, and the back door will rebound and close when people leave. The access road from the outside should be opened with a key, so the perpetrators can be prevented from entering the building.

济南防火卷帘门安装维修厂家认为假如防火门的门执手一定用手旋转才调开启，则可能在火灾时因其被烤烫而不能开门。为此宜用推杆式门锁，只需手推或形骸挤压便可开启防火门。日常处于开启形态下的防火门，一定设不变装置，以便于通畅。通常设有电磁开释开关或易熔合金把门不变在双侧墙上，火灾时断电失磁或烧熔合金，门则在弹簧作用下自动合上。

Jinan fire shutter door installation and maintenance manufacturers believe that if the door handle of the fire door must be rotated by hand before it can be adjusted to open, it may not be able to open the door because it is burned during the fire. For this reason, the push rod type door lock should be used. The fire door can be opened only by pushing or squeezing. The fire door in the open state must be equipped with a constant device to facilitate the smoothness. Usually, an electromagnetic release switch or fusible alloy is set to keep the door on the two side walls. In case of fire, the door will automatically close under the action of spring.

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