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Dome-based cyclic inert sealing system for external floating roof tank and QHSE storage and transport method thereof
Dome-based cyclic inert sealing system for external floating roof tank and QHSE storage and transport method thereof
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机译:基于圆顶的外部浮顶罐循环惰性密封系统及其QHSE储运方法
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摘要
A dome-based cyclic inert sealing system for an external floating roof tank includes the external floating roof tank, a dome structure, an inert sealing pipeline, and a gas source servo device; wherein the dome structure is formed by a top portion of a tank wall of the external floating roof tank for sealing; the dome structure together with an internal wall of the external floating roof tank, a floating plate and a sealing device form a gas phase space which is isolated from atmosphere, so as to fill the gas phase space with an inert sealing medium; the inert sealing medium is a gas fire-fighting medium used in a suffocation fire-fighting method; the gas source servo device is connected to the gas phase space through the inert sealing pipeline and communicates through a valve for feedback-controlling states of the inert sealing medium in the gas phase space.
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