Oil-water separation phase detection
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In storage tanks or reaction vessels, oil and water often separate into distinct layers. In process control, it is necessary to transport different products to separate locations, which requires an accurate determination of the boundary between these different products. Conventional methods such as oil level gauges and conductivity measurements are used for this purpose. Our company has 30 years of successful experience in making accurate judgments based on the different sound speed values of various products.
Is it just this aspect, like product introductions and such? None were left behind
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Hello, my post has an introduction.
This post was last edited by imysm on 2019-7-27 at 23:25 to go and measure the LNG tank; give it a try. There are many methods for measurement, and it’s hard to say whether the results will be accurate or not.
Well, I asked other instrument manufacturers before, and the feedback they gave was as follows: if there is a clear separation between the two media with no intermediate layer, a magnetostrictive level gauge is recommended; if there is an intermediate mixed layer, an electric float gauge is suggested. I’m not sure what criteria those manufacturers used to arrive at these recommendations. I hope the original poster can help me understand this or point out any issues, thank you
Hello, I believe whether these two types of instruments can achieve good stratification depends on whether there is a significant density difference between the two or three phases. If the density difference is substantial, it’s easier to achieve the desired result; otherwise, it’s difficult to obtain effective stratification. This is true for all methods that rely on density differences. So, it is possible to refer to other principles, such as those related to refractive index; in the case of ultrasound, the classification is not based on the original values, and there is no need to convert them into density before further processing.
Avoiding misjudgments and false reports is the true way to go......