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Process Control Technology for a Gas Mixing and Boosting Station
Author(s): 
Pages: 12
Year: Issue:  3
Journal: Bao-Steel Technology

Keyword:  煤气混合加压过程控制;
Abstract: 煤气混合和加压是钢铁企业副产煤气输配系统的关键环节之一,其过程控制直接关系到煤气供应品质.介绍了与宝钢宽厚板工程配套的9号煤气混合加压站,其技术特色在于:以压力一流量比值双闭环为主进行煤气混合控制,通过热值修正提高调节精度,采取分程控制扩大可调比;使用回流阀和入口阀联合调节的方式控制机后压力并防止喘振;以PLC结合现场总线技术进行控制系统组态.还对系统运行效果和存在问题进行了分析和探讨.
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