Abstract

In 2005 coal handling bridges in Opatovice power station, Czech Republic, were damaged by fire. Effects of the fire limited coal supply for 3 months. Following that fire the new fire protection equipment have been gradually installed in other Czech power plants. In 2009 the complex automatic fire protection equipment of coal handling route was installed into operation in Tušimice power plant. However, after starting the operation it showed that activation of the extinguishing system on the inclined conveyor bridge threatened the health and life of fire-fighters conducting an intervention. In this paper an interactive algorithm that ensures a flexible cooperation intervening fire-fighters and automatic extinguishing system without a risk of fire-fighters life is investigated. To confirm the applicability of the interoperability algorithm possible fire scenario is analysed in NIST code FDS. Development of gas temperatures in strong chimney flow gives also a view into part of mechanical response of structure.

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