呼吸阀

浸油型弹簧式机械呼吸阀呼吸阀的工作特性和新型呼吸阀的开发

Design and Characteristics of Breather Valve and its New Type Development

可见呼吸阀，阻火器是储罐不可缺少的安全设施。

Breather valve and flame arrestor are indispensable safety devices .

单吸阀，呼吸阀，阻火单吸阀，根据国家标准《石油化工企业设计防火规范》（GB50160-92）之规定：“储存甲、乙类液体的固定顶罐，应设阻火器和呼吸阀”。

Flame Arrestor and breather valve should be equipped on the top of tank for type A and B liquid according to GB50160-92 ," Fire prevention code of petrol chemical enterprise design " .

带呼吸阀对拱顶罐的影响及对策

Affect of Relief Valves on Dome Roof Tank and the Countermeasures

两级式呼吸阀能保证油罐呼吸安全

Two-step Breathing Valve Can Ensure the Safety of Oil Tank

呼吸阀动力和自动档，二者不可兼得。

Power and automatic transmission , the two can not have both .

呼吸阀承压分析

The Analysis on Load-bearing Capacity of Pressure-and-Vacuum Vent Valve

磁控摆开式呼吸阀

Respiration Valve with Magnetic Sway Opening Respiratory Failure

储油罐呼吸阀的概念设计

The Concept Design of Tank 's Breather Valve

轻油罐机械呼吸阀的使用与管理

Application and control of mechanical atmospheric valve

呼吸阀的密封结构设计

Designing in seated structure of breath valve

全天候呼吸阀的研究与测试

Research and Test on Weatherproof Breather Valve

太阳能-热管呼吸阀，是解决呼吸阀冬季使用存在冻结问题的手段之一。

Solar energy-heat pipe breather valve is one of means of solving the freeze in winter .

可与呼吸阀配套使用，也可单独使用。

The flame arrester can be used with breather valve , and also can be used separately .

太阳能-热管呼吸阀的集热器系统的计算

Solution of Solar Energy Collector System in the Process of Exploitation of Solar Power-Heat Pipe Breather Valve

对国外大量使用的先导式呼吸阀的结构形式和工作原理进行了介绍。

The structure type for the guiding type of breath valve widely used abroad and its working principle were introduced .

呼吸阀是油罐的重要附件之一，其试验压力关系到呼吸阀的安全性和可靠性。

A pressure-and-vacuum vent valve is a kind of important adjunct , which pressure testing relates to its security and reliability .

基于热管的工作原理，提出了采用热管呼吸阀解决呼吸阀的冻结问题。

On the basis of the heat pipe 's working principle , a design which applies heat pipe is introduced to prevent freezing problem .

针对呼吸阀现场检测困难等问题，指出开发并使用智能呼吸阀是解决该问题的有效方法。

For the problems of breather valve detection on site , the development of the intelligent breather valve is expecting by breather valve users .

新阀启用时，安装前应清除阀盘间防震物，否则呼吸阀将失灵。

When the new valve is started , before the installation , should remove quakeproof matters between the discs , otherwise the respiration will malfunction .

当罐内气体的压力在机械呼吸阀的控制压力范围之内时，呼吸阀不动作，保持油罐的密闭性；

When the tank pressure of the gas control valve in the mechanical ventilator pressure within the breathing valve does not move and maintain airtight tank ;

原使用的轻质油储罐防火呼吸阀，由于结构缺陷，不宜使用于寒冷地区储油罐上。

For deficiencies of its structure , the previous breather valve with fire protection is not suitable for installing on light oil storage tank at cold area .

介绍了呼吸阀的设计和工作特性，分析了冬季使用呼吸阀容易冻结的原因。

In this paper , the design and characteristics of the breather valve are formulated , the reasons of the valve dish frozen in winter are analyzed .

呼吸阀安装在固定顶罐的通风装置，起减少油品蒸发损耗，控制储罐压力的作用，它也可与阻火器联合安装使用。

Breathing Valve shall be set on roof of the fixed-roof tanks , which can make the tanks safe and reduce the loss of the stored liquids as evaporation .

配备沥青溢流管、防冒液呼吸阀、防老化顶置充氮阀、温度计、容量计和输出沥青的快速卸料阀及接耦。

It is equipped with asphalt return tube , anti-puffing pressure vent valve , anti-aging overhead nitrogen valve , thermometer , volumeter and output asphalt rapid discharge valve and coupling .

液压安全阀安装在油罐顶部，与呼吸阀并列使用，在呼吸阀失灵时起安全作用。

Hydraulic safety valve series shall be installed on the top the center of the tank , in order to withstand the damage to the tanks caused by operating failure of breather valve .

指出导致油罐抽瘪的主要原因是呼吸阀堵塞和冻结、油罐参数和工艺条件发生变化以及操作失误等。

It is pointed out that the plugging and freezing of breather valve , variation in parameters and operation conditions of oil tank and human factors result in the shrink of oil tank .

介绍了磁控摆开式呼吸阀的结构和工作原理，分析了能降低机械故障的原因，以及实现大、小呼吸的不同工况，描述了该阀的技术性能和使用情况。

The paper stats the valve structure and working principle , analysis of the reasons to reduce troubles , different case of large or small respiration , description of technic features and its application .

综合理论与计算实例，提出热效应吸气量是造成油罐凹瘪的主要原因，进而提出选择呼吸阀的新原则&气体流量原则。

It is pointed out that the major cause for tank collapse is the suction capacity induced by heat effect combined theory with calculation case , and put forward a new concept in selecting breather valve-air flowrate principle .

呼吸阀的主要问题是不具备防冻功能、材料选择不当、空气通道狭窄、维护保养不够。指出应选择重力式阀盘呼吸阀或新问世的全天候呼吸阀。

The problems of respiration valve are mainly insufficient ability of anti-frozen , improper material selected , narrow air path , and bad maintenance , showing that gravity type of respiration valve or all weather respiration valve newly developed should be selected .