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該厂所用的是內径600毫米的三节炉,在前爐上装了废气回气管,通到頂热风带。在主风带上面接了12根管子,分成两排作为二次风口。炉身上还裝有预热空气的风套,鼓风机鼓入的冷风经此套預热后进入主风带。 爐子的主要数据如下(参看图3):炉子內径 600毫米主风口排数 2排每排风口只数 3只第一排风口φ50毫米第二排风口 37毫米主风口角度 15°二次风口只数 12只二次风口直径φ25毫米回气口只数 6只
The plant uses a three-section furnace with an inner diameter of 600 mm. The exhaust gas return pipe is installed in the front furnace and leads to the top hot air zone. Above the main wind with 12 pipes, divided into two rows as a secondary tuyere. The furnace body is also equipped with a preheated air jacket, the blower blowing into the main wind through the warm air after the preheating. The furnace’s main data is as follows (see Figure 3): Furnace diameter 600 mm Main air outlet row number 2 rows of each outlet only 3 only First air outlet φ50 mm second air outlet 37 mm Main air inlet angle 15 ° two Number of secondary tuyere only 12 secondary tuyere diameter φ25 mm return airway only a few 6