Liquid storage tank evaporation rate measuring device and measuring method thereof
A technology of measuring device and measuring method, which is applied in the direction of measuring device, volume measuring instrument/method, measuring capacity, etc., can solve problems such as large errors, and achieve the effect of high promotional value
Active Publication Date: 2015-10-07
SUZHOU XINGLU AIR SEPARATION PLANT SCI & TECH DEV CO LTD
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Problems solved by technology
This method has a large error
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Embodiment 1
[0019] Embodiment one: as attached figure 1 As shown, a liquid storage tank evaporation rate measuring device for measuring the evaporation rate of liquid in the liquid storage tank 1 includes a volume-variable measuring tank 2 connected to the liquid storage tank 1 through a pipeline 4, arranged on the pipe The liquefaction device on the road 4, the vaporization device capable of vaporizing the liquid in the measuring tank 2, the temperature measuring and regulating device for measuring and adjusting the temperature in the measuring tank 2, and the pressure measuring device for detecting the pressure in the measuring tank 2 are connected in the pipeline 4 A control valve 5 capable of opening and closing is provided on it. Wherein, the gasification device includes a gasification tank 3 containing a measuring tank and filled with a gasification medium N.
[0020] The evaporation rate measuring device has an initial state and a measurement state, respectively corresponding to b...
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The invention relates to a liquid storage tank evaporation rate measuring device. The liquid storage tank evaporation rate measuring device comprises a volume-changeable measuring tank connected with a liquid storage tank through a pipeline, a liquefying device arranged on the pipeline, a gasification device capable of gasifying liquid in the measuring tank, a temperature measuring and regulating device for measuring and regulating the temperature in the measuring tank and a pressure measuring device capable of detecting the pressure in the measuring tank. The measuring method of the liquid storage tank evaporation rate measuring device comprises the steps that firstly, the gas evaporated from the liquid storage tank is fed into the measuring tank and is gasified in the feeding process; after the measuring time is due, the liquid in the measuring tank is gasified completely; the temperature in the measuring tank is regulated, and the pressure in the measuring tank is detected; the volume change quantity of the gas in the measuring tank is solved through an ideal gas state equation, and the evaporation rate of the liquid in the liquid storage tank within the measuring time is solved. By adopting the liquid storage tank evaporation rate measuring device and the measuring method thereof, the evaporation rate of the liquid in the liquid storage tank within a period of time can be calculated accurately, no gas leaks, and the device and the method have high popularization value.
Description
technical field [0001] The invention relates to a device and method for measuring the evaporation rate of a liquid storage tank. Background technique [0002] In the prior art, a flow meter is usually used to measure the evaporation rate of the liquid storage tank, that is, a flow meter is installed at the outlet of the liquid storage tank, and the flow rate of the evaporated gas in the liquid storage tank is measured over a period of time through the flow meter , and based on this, calculate the evaporation rate of the liquid in the storage tank over a period of time. There is a large error in this method. Contents of the invention [0003] The purpose of the present invention is to provide a device and method for measuring the evaporation rate of a liquid storage tank with high precision. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is: [0005] A device for measuring the evaporation rate of a liquid storage tank...
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IPC IPC(8): G01F22/02
Inventor 颜爱国周发州贾盛兰赵翠玲肖龙昆王朝肖乾
Owner SUZHOU XINGLU AIR SEPARATION PLANT SCI & TECH DEV CO LTD