中医研究院东直门医院于一九七0年将四台火焰卧式锅炉改成两台半煤气锅炉。一年多的实践证明,锅炉改造后既消除了黑烟,又节约了煤炭。 这个医院原有四台火焰卧式锅炉,供全院12,700平方米的房间取暖用。火焰式锅炉是苏式的一种又大又笨的锅炉,耗煤量大,发热量小,烧起来黑烟滚滚, In 1990, Dongzhimen Hospital of TCM Research Institute changed four flames horizontal boilers into two semi-gas boilers. More than a year of practice has proved that after the boiler reform to eliminate both smoke, but also save the coal. The hospital has four horizontal flame horizontal boiler for the whole courtyard 12,700 square meters of room heating. Flame-type boiler is a Soviet-style large and stupid boiler, coal consumption, heat a small amount of smoke,