新泰翻砂厂的冲天爐,內径为660毫米,有效高度4870毫米,原装有两排风口主风口φ35,斜度10°;二排风口φ30,斜度15°。配有罗茨式鼓风机两台,名牌数据:风压3500毫米水柱,每台风量42米~3/分。此次改进有以下三个特点(参看图1): 1.前爐盖中央开一孔装前爐废气回收管(砌白泥石英后,內径为φ100),与預热风带相接。預热风口六个,尺寸140×100。裝置废气回收管的目的, Xintai plant sand cupola, an inner diameter of 660 mm, the effective height of 4870 mm, the original two main vents φ35 outlet, slope 10 °; two exhaust φ30, the slope of 15 °. Equipped with two Roots blower, brand name data: 3500 mm wind pressure, each wind 42 meters ~ 3 / min. The improvement has the following three characteristics (see Figure 1): 1. Open a hole in the front of the furnace cover before the furnace exhaust gas recovery pipe (white mud quartz, the inner diameter of φ100), and preheating the wind phase. Preheat tuyere six, size 140 × 100. The purpose of the device exhaust gas recovery tube,