| 门站调压系统自动识别选路装置的设计 |
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| 引用本文： | 史安民.门站调压系统自动识别选路装置的设计[J].煤气与热力,2007,27(10):4-6. |
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| 作者姓名： | 史安民 |
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| 作者单位： | 张家港港华燃气有限公司,江苏,张家港,215600 |
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| 摘 要： | 介绍了天然气门站调压系统中自动识别选路装置的设计原则,探讨了自动识别选路装置的结构及控制过程。当运行路超压切断或不能满足下游用气时,备用路能自动启动供气。当运行路超压时,运行路紧急切断阀关闭,而备用路紧急切断阀不动作。
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| 关 键 词： | 天然气调压 自动识别选路 紧急切断阀 |
| 文章编号： | 1000-4416（2007）10-0004-03 |
| 修稿时间： | 2006-12-20 |
Design of Automatic Stream Selection Equipment for Pressure Regulation System at City Gate Station |
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| SHI An-min.Design of Automatic Stream Selection Equipment for Pressure Regulation System at City Gate Station[J].Gas & Heat,2007,27(10):4-6. |
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| Authors: | SHI An-min |
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| Affiliation: | Zhangjiagang Ganghua Gas Company Limited, Zhangfiagang 215600, China |
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| Abstract: | The design principle of automatic stream selection equipment for pressure regulation system at a natural gas city gate station is introduced.The structure and control process of the automatic stream selection equipment are discussed.When the working stream is shut off due to the overpressure or gas supply to the downstream is not met,the standby stream can be automatically initiated to supply gas. When overpressure occurs in the working stream,the slam shut valve in the working stream is closed, while the slam shut valve in the standby stream is not actuated. |
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| Keywords: | natural gas pressure regulation automatic stream selection slam shut valve |
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