| 新型液压安全阀 |
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| 引用本文： | 杜振华,杨继平.新型液压安全阀[J].油气储运,1997,16(2):12-13,20. |
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| 作者姓名： | 杜振华 杨继平 |
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| 作者单位： | 中国人民解放军后勤工程学院
(杜振华)，中国人民解放军后勤工程学院(杨继平) |
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| 摘 要： | 液压安全阀是油罐上必不可少的安全设备，使用中发现了一些缺陷，曾用改进的新型呼吸阀来替代，但油罐被吸瘪的事故明显增多。详细分析了液压安全阀密封液在呼气，吸气时被吹出的过程，并指出密封液易被吹出的原因是液压安全阀的油气分离器只对带密封液液滴的气体流动方向进行了几次改进，即对油气进行了很有限的分离。
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| 关 键 词： | 油罐 安全阀 油气分离 气体流动方向 |
A New-type Hydraulic Safety Valve |
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| Du Zhenhua Yang Jiping.A New-type Hydraulic Safety Valve[J].Oil & Gas Storage and Transportation,1997,16(2):12-13,20. |
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| Authors: | Du Zhenhua Yang Jiping |
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| Institution: | Du Zhenhua Yang Jiping |
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| Abstract: | The hydraulic safety valve is a indispensable safe device for the vertical tank,although some defects of this kind of valve were found in its use,provided that the newly-modified breather valve is substituted for the hydraulic safety valve,the more tank failures would take place. The paper analyzes in detail the escape of this valve's sealing fluid during the breathing in and out,and points out that the main cause of the escape is induced by the valve's structure. Therefor,a new-type hydraulic safety valve has been designed,its oil-gas separator is a hemicycle tube in which the flow direction of gas with sealling fluid droplet is changed in innumerable times when the gas is flowing within it,which makes the oil and gas separate in innumerable times,so the sealing fluid can not escape and loss any more. |
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| Keywords: | oil tank safety valve oil gas separation gas flow direction |
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