冷風沖天爐是我公司按照國家機械行標準生產的傳統型沖天爐，用于單班制生產。在爐子結構、配置、參數選擇等方面吸收國外先進技術和本公司專利技術，保證了爐子優良的使用性能，性能指標超過行業標準。

Cold –Air Cupola is a traditional cupola, which is made according to national standard of machinery industry for single shift. We adopt advanced technology home and abroad and our own patent from the framework, disposition to parameter etc.to make sure the good usability. The Cold-Air Cupola adopts double row large space tuyeres, and new type pressure equalizing bellows ensure the even wind pressure. The structure of the cupola is simple, which is fit for middle size workshop and cooperate with electric mantle heater to make high quality castings.