Method for congregating air bubble in liquid
A technology of bubbles and liquids, which is applied in the direction of detecting the appearance of fluid at the leakage point and using liquid/vacuum degree for liquid tightness measurement, etc., which can solve the problems of inability and unfavorable observation and detection, and achieve the effect of simple method
Inactive Publication Date: 2008-01-30
SHENYANG INST OF AERONAUTICAL ENG
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But above-mentioned method can be subject to the restriction of two aspects factor, one is limited by the geometrical size of detected object, if the geometrical size of detected object is very large, the range of the liquid that needs to be observed will also be very large; Very small, impossible or unfavorable for observation and detection
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Embodiment 1
[0019] As shown in Figure 1: put the bubble source 2 in the container 4, cover the bubble collection device 1 above the bubble source 2 that needs to collect bubbles, inject liquid 5 into the container 4, when the bubble source 2 with a certain gas pressure When gas escapes from the leakage point, bubbles 3 will be continuously generated in the liquid 5, and these bubbles 3 will continuously gather and rise in the solution of the bubble collecting device 1. At this time, the bubbles can be clearly and conveniently observed in the bubble collection device 1 ; the amount of escaped gas can also be detected on the top of the device through an external detection instrument.
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The invention provides an aggregation method of bubbles in liquid. The method comprises the processes that: a bubble collecting device is covered above a bubble source (components under detection) within the liquid, so that the bubbles generated in the bubble source can be aggregated by and by in the process of ascending in the liquid. Thus, the bubbles generated in a bigger scale are aggregated into a relatively smaller scale, enabling the bubbles to be observed and detected conveniently. The method of the invention can reduce the bubble observing or testing range to an appropriate or favorable scale which is beneficial to the observing or the testing, therefore the minute bubbles which is impossible or difficult to be observed or detected can be observed and detected without restriction of the physical dimension of the object under test. Being mainly for the aggregation and detection of bubbles, the method and the device can be used for tightness test of pipelines, containers or some other components which are required to be sealed. The method is simple, easy, and applicable to diversified statuses and occasions.
Description
Technical field: [0001] The invention relates to a method for gathering air bubbles in a liquid, which is mainly applied to the gathering and detection of air bubbles in a liquid. Background technique: [0002] In the prior art, when there are tiny gas leakage points in the pipelines, containers or other components with a certain internal gas pressure, the traditional method is to put these leaking components in the liquid and directly observe whether they are leaking or not. Bubbles are generated to determine whether a leak has occurred. But above-mentioned method can be subject to the restriction of two aspects factor, one is limited by the geometrical size of detected object, if the geometrical size of detected object is very large, the range of the liquid that needs to be observed will also be very large; When it is very small, it is impossible or not conducive to observation and detection. Invention content: [0003] Aiming at the shortcomings of the above-mentioned...
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Inventor 刘春张汉茹向晋
Owner SHENYANG INST OF AERONAUTICAL ENG