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加热炉是石油化工不可缺少的设备。加热炉一般用瓦斯和油作燃料,与空气混合后进行燃烧,如火焰熄灭而未被发现,燃料就可能继续流出和积集。而未予注意就重新点火,则可能引起积集的燃料和空气的混合物发生爆炸。 所有的火焰除能产生热、可见光、紫外辐射外,还可产生燃烧介质的离子化。电离会在火焰中产生自由电子,并且火焰具有导电性,用此原理可监测火焰的持续存在。
Heating furnace is an indispensable petrochemical equipment. Furnace gas and oil are generally used as fuel, mixed with air after combustion, such as the flame extinguished without being discovered, the fuel may continue to flow and accumulation. Ignition and re-ignition without attention may cause the buildup of mixture of fuel and air to explode. In addition to all the flame can produce heat, visible light, ultraviolet radiation, but also can produce combustion of ionization. Ionization generates free electrons in the flame, and the flame is electrically conductive, using this principle to monitor the persistence of the flame.