A gas-hydraulic linkage quick-closing valve system
A technology of gas-liquid linkage and valves, which is applied in pipeline systems, gas/liquid distribution and storage, valve details, etc. It can solve problems such as increased components required for hydraulic drive devices, low reliability of hydraulic control circuits, and wrongly closed valves. , to achieve the effects of compact structure, large closing force and high reliability
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[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0030] A gas-liquid linkage quick-closing valve system is installed on the steam pipeline of a power station and is used to control the conduction and blocking of the steam medium in the steam pipeline. First of all, some explanations will be made on the three working positions of the valve and several different working conditions. Such as figure 2 As shown, the three working positions of the valve include:
[0031] Fully open position: At this time, the steam medium in the pipeline is open and can pass through freely.
[0032] Fully closed position: At this time, the steam medium in the pipeline is completely blocked and cannot pass through freely.
[0033] 90% opening position: between the fully open position and the fully closed position, if the distance from the fully open position to the fully closed position is S, then the distance ...
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