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温州电机厂的冲天爐沒有前爐。內径510毫米,主风带有两排风口,每排 4只。第一排风口直径φ32,斜度15°,第二排风口直径φ19,斜度20°。第一排风口至炉缸为550毫米。炉子配有叶氏5号鼓风机,风压800毫米水柱,风量27.5米~3/分。他們在推广沈阳通用厂的經驗以后,在主风带上装了一个二次风带,也有两排风口,上排四个,直径φ14,向下斜15°,下排风口八个直径φ14,向下斜20°,二次风带另用一鼓风机送风,风压400毫米水柱风量13米~3
Wenzhou electrical plant cupola no forehearth. The inner diameter of 510 mm, the main wind with two rows of vents, each row of four. The first outlet diameter φ32, slope 15 °, the second outlet diameter φ19, slope of 20 °. The first vent to the hearth is 550 mm. Furnace with Yip 5 blower, wind pressure 800 mm water column, air volume 27.5 m ~ 3 / min. After they promoted the experience of Shenyang General Factory, they installed a secondary air belt on the main wind belt and also had two rows of air vents, four on the upper row, with a diameter of φ14, a downward inclination of 15 ° and eight lower outlet φ14 , Inclined down 20 °, the second with another air blower air supply, wind pressure 400 mm water column air volume 13 m ~ 3