热水锅炉因介质温度稳定、供热均衡、能耗较低等优点,其发展速度较快。但是有些热水锅炉由于水质处理不良操作管理不当等原因而发生事故。特别是水火管式快装锅炉改装成的热水锅炉,其事故比例较高。去年我们先后看到数台水火管式快装锅炉改装的热水锅炉因锅壳鼓疱而被迫停止运行。这些锅炉改装为强制循环热水锅炉后的结构是:下降管口加装了节流孔板,原汽水分离装置拆掉;回水从两侧集箱的后部引入,热水由锅筒上部引出;锅炉的烟气 Hot water boilers due to medium temperature stability, heat balance, low energy consumption, etc., its rapid development. However, some hot water boilers due to poor water quality management and other improper operation and management of accidents. In particular, water-pipe quick-boiled boilers converted into hot water boiler, the higher the proportion of accidents. Last year, we have seen several hot water boilers modified by water and fire tube quick boilers forced to stop operating due to the blister of the boiler shell. After these boilers are converted into forced-circulation hot water boilers, the structure of the descending pipe orifice is that an orifice plate is installed and the original steam-water separating device is removed; the backwater is introduced from the rear of the header on both sides, Lead to; boiler flue gas