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日本NKK公司在京浜1号高炉开发并实际应用控制高炉各风口支管风量的热风控制阀及其控制系统。热风控制阀阀体构造如图1所示。阀体构造简单,采用易于轴
Japan NKK company in Beijing Jing No. 1 blast furnace development and practical application of blast furnace control air duct branch air flow control valve and its control system. Hot air control valve body structure shown in Figure 1. Body structure is simple, easy to use shaft