海上升压站正压送风系统计算及控制研究  

Research on Calculation and Control of Positive Pressure Air Supply System for Offshore Booster Station

作　　者：杨锋斌 张先提 王春磊 孙文龙 YANG Fengbin;ZHANG Xianti;WANG Chunlei;SUN Wenlong(China Energy Engineering Group Guangdong Electric Power Design Institute Co.,Ltd.,Guangzhou 510663,China)

机构地区：[1]中国能源建设集团广东省电力设计研究院有限公司,广州510663

出　　处：《南方能源建设》2021年第1期56-60,共5页Southern Energy Construction

基　　金：中国能建广东院科技项目“海上升压站防盐雾正压系统关键技术研究”(EX05191W)。

摘　　要：[目的]为维持海上升压站良好、安全的运行环境,降低高盐高湿气体对设备的腐蚀影响,提高工艺设备使用寿命,分析保证室内正压的计算方法与控制方式。[方法]通过对缝隙法、换气次数法计算结果的对比分析,确定正压送风量的计算原则。通过变风量调节和余压阀控制分析,确定室内正压控制方式。[结果]结果表明:海上升压站室内正压送风量应按照缝隙法计算,不适合采用常规的换气次数法。变风量末端采用较小的风量可实现精确正压控制,能耗降低明显。[结论]研究结果可快速准确计算正压送风量,同时可实现正压送风系统精确控制,为海上升压站防盐雾正压送风系统设计提供了理论指导。[Introduction]The paper aims to maintain a good and safe operating environment for offshore booster station,reduce the corrosion effect of high-salt and high-humidity gas on the equipment,and increase the service life of process equipment,the calculation method and control method of ensuring the indoor positive pressure are analyzed.[Method]Through the comparative analysis of the calculation results of the gap method and the number of air changes method,the calculation principle of the positive pressure air supply was determined.Through variable air volume adjustment and residual pressure valve control analysis,the indoor positive pressure control method was determined.[Result]The results show that the indoor positive pressure air supply volume of offshore booster station should be calculated according to the gap method,and the conventional number of air change method is not suitable for the scenario.At the end of the variable air volume,a smaller air volume is suggested to be used to achieve precise positive pressure control and reduce energy consumption significantly.[Conclusion]The research results can quickly and accurately calculate the positive pressure air supply volume,and at the same time can realize the precise control of the positive pressure air supply system,which provides theoretical guidance for the design of the anti-salt and anti-fog positive pressure air supply system for offshore booster station.

关 键 词：海上升压站 正压送风量 变风量末端 余压阀 

分 类 号：TK89[动力工程及工程热物理—流体机械及工程] TM315[电气工程—电机]