目前,我国还有许多小型铸造车间的焦炭来源非常混乱,大多是劣质的冶金焦或土焦。为此,我们设计制造了一座2吨/小时单风带倒置两排大间距热风冲天炉,经使用证明,铁水质量明显提高,适合在劣质焦情况下进行正常生产。一、炉子结构及有关参数冲天炉的结构见图,有关工艺参数如下:风口比为2％,主风口面积与风口总面积之比为61％,热风温度为170～210℃,焦铁比为1∶9,熔化率为 At present, there are many small-scale foundry coke in China is very chaotic sources, mostly poor quality metallurgical coke or coke. To this end, we have designed and manufactured a 2 t / h single-wind double-row inverted hot-air cupola with inverted double-row spacing. The quality of hot metal is obviously improved after use, which is suitable for normal production under poor quality coke conditions. First, the furnace structure and related parameters Cupola structure shown in Figure, the process parameters are as follows: the vent ratio of 2%, the main tuyere area and tuyere area ratio of 61% hot air temperature of 170 ~ 210 ℃, coke iron ratio 1: 9, the melting rate is