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Determine how much LNG Dewar is filled
Date: Jun 24, 2020
Since our Jianshen Company has sold many Dewars, we have encountered many gas companies or customers who have used Dewars and asked: How does the Dewars determine the amount of filling liquid? We are here to answer customers’ questions and hope to help more customers.
First of all, how to judge whether the liquid is full or not when filling the Dewar, then pay attention to observe whether the vent valve overflows when filling the liquid, the overflow is full, and the overflow may not be full. Generally, when the Dewar is filled with liquid, it means that the Dewar is full. If the customer of the gas company does not know whether there is liquid ejection, how to explain to the customer that the liquid is full? Secondly, buoyancy liquid level gauges are standard on the Dewar flasks. The full-view buoyancy liquid level display is a direct reading liquid level gauge manufactured according to the principle of force balance. It is suitable for liquid level measurement of liquid oxygen, liquid nitrogen, liquid argon, liquid carbon dioxide and liquefied natural gas in Dewars with more volumes such as 175 L, 195 L, 210 L, 250 L, 275 L and 500 L. By observing the indicator ring mark or pointer in the transparent display, it can directly indicate the change of the liquid level in the sealed container. The structure is simple, the instructions are sensitive and eye-catching, and the visual reading is intuitive, convenient and accurate. To determine the amount of liquid in the Dewar, just observe the indication of the level gauge.
There is another way to weigh. The following table is the filling mass of the liquid of each medium corresponding to the volume of the Dewar. You can refer to the medium and the volume of the Dewar in the table for the amount of filling liquid, and the weighing will be clear.
First of all, how to judge whether the liquid is full or not when filling the Dewar, then pay attention to observe whether the vent valve overflows when filling the liquid, the overflow is full, and the overflow may not be full. Generally, when the Dewar is filled with liquid, it means that the Dewar is full. If the customer of the gas company does not know whether there is liquid ejection, how to explain to the customer that the liquid is full?
There is another way to weigh. The following table is the filling mass of the liquid of each medium corresponding to the volume of the Dewar. You can refer to the medium and the volume of the Dewar in the table for the amount of filling liquid, and the weighing will be clear.
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