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    电力电缆在电缆输送机施工过程的防火措施主要从三个方面入手：首先，阻燃电缆的采用可以在一定程度上起到阻燃的作用，阻燃电缆之所以阻燃是因为它有着较高燃点的防护外套，它的工作原理主要是一旦电力电缆起火，因为其燃点高，可以在一定时间内保护电缆的主绝缘不受损害，电缆的供电时间便会相应的延长，起火蔓延的时间便会相应的缩短。但是要从根本上解决问题，还不能依赖阻燃电缆，因为它只能起到阻燃的作用，在电力电缆的防火措施中只能是属于辅助措施。

    其次，更加有效的防火措施便是在电力电缆施工过程的防火门和防火隔断措施的采用。具体实施方法为在电缆输送机隧道每一个进风口和出风口之间安装专用的防火门,防火门周围填充防火包距及保证在两个阻火墙之间能够实现通风循环。用防火门和防火包将电缆隧道、 沟道分成若干个阻火段, 达到尽可能地缩小事故范围、减少损失。用防火包在已敷好的电缆通道上堆砌封墙, 既能起到有效的防火作用又可在运行中轻易地更换电缆。

Power cable fire prevention measures of the construction process, mainly from three aspects: first, the flame retardant cable using can to a certain extent, have the effect of flame retardant, flame retardant cable fire retardant because it has a higher ignition point of the protective coat, it is mainly once the power cable fire, the working principle of because of its high flash point, can be in a certain period of time to protect the main insulation of the cable from damage, the power supply cable time will be appropriate to lengthen, the spread of fire time will be shortened accordingly.But to fundamentally solve the problem, also can't rely on flame retardant cable, because it can only play the role of flame retardant, in power cable fire prevention measures, which are only of the auxiliary measures.Second, a more effective fire prevention measures is in the power cable construction process of fire door and fire partition measures adopted.Concrete implementation method for each between inlet and outlet in the cable tunnel installed special fire door, fire door around filling wall of fire prevention and guarantee in two resistance from fire can be achieved between ventilation and circulation.With fire door and fire protection package will cable tunnel, the channel is divided into a number of fire section, narrowing the scope of the accident and reduce the loss as much as possible.Use fire wrapped in apply good cable channels on pile wall, both can have effective fire prevention effect and can easily replace the cable in the run.