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农村多用铁锅烧饭,现有沼气炉具只能烧铝锅,烧铁锅效果不好,特别是对75厘米以上的大铁锅更不适用。为了解决用沼气烧大铁锅的难题,我们反复进行试验,终于在1977年研制出用沼气烧铁锅的喇叭扩焰炉。经过一年多的使用证明,这种沼气炉火力猛、效率高,大小铁锅、铝锅都能使用。只要安装得当,7—10分钟可烧开水20多斤,30分钟左右可烧开水100斤。文火可烙饼,猛火可蒸馍。
Multi-purpose wok cooking in rural areas, the existing biogas stove can only burn aluminum, burning wok effect is not good, especially for more than 75 cm large iron pan is not applicable. In order to solve the problem of burning large iron pan with biogas, we repeated the test, and finally in 1977 developed a flame expanded furnace with biogas burning iron pan. After more than a year of use proved that this gas stove fierce fire, high efficiency, the size of the wok, aluminum can be used. As long as properly installed, 7-10 minutes to boil 20 kilos of water, 30 minutes or so can boil water 100 pounds. Moonlight can be pancake, raging fire can steamed.