当锅炉玻璃管式水位计不见水位时,无论是缺水或满水,从外部看几乎没有什么区别,至使司炉工不能及时正确判断水位。或者造成误判,于是事故发生了。 为此,笔者制作了一种“玻璃管式水位计锅炉缺满水快速判断多色卡”,简称“多色卡”(如因 1)。经现场多次使用,只要20—30秒钟就能 When the boiler glass tube water level gauge can not see the water level, whether it is water or water, from the outside to see almost no difference, so that the fireman can not judge the water level in time. Or cause miscarriage of justice, so the accident happened. To this end, I made a “glass tube water level boiler water shortage judge quickly multi-color card”, referred to as “multi-color card” (such as due 1). The scene repeated use, as long as 20-30 seconds will be able to