丽水县碧湖农机厂革命职工积极响应毛主席关于“扭转北煤南运”的号召,从各方面着手,节约煤炭,他们在0.1立方米小冲天炉上搞革新,革冲天炉只能用焦化铁的命,经过一个月的五次试验,油焦并化铁初见成效,现已投产,耗油量为13公斤/吨左右。使用这种炉子的优点:降低焦耗,焦比由原来1:8降为1:13;铁水温度达1400℃; Li Shui Bi Avian Farm Machinery Factory Revolutionary Workers Actively Respond to Chairman Mao’s Call on “Turning North Coal Nanyang” from all quarters and saving coal. They made innovations on the 0.1 cubic meter small cupola, which can only be used for coking Iron life, after a month of five tests, oil coke and iron initial success, has been put into operation, fuel consumption of 13 kg / ton. Advantages of using this stove: reduce coke consumption, coke ratio from the original 1: 8 down to 1:13; hot metal temperature of 1400 ℃;