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Soap film flowmeter

A flow meter and soap film technology, applied in volume measurement, liquid/fluid solid measurement, volume/mass flow generated by mechanical effects, etc., can solve problems such as bubble burst and achieve the effect of eliminating influence

Pending Publication Date: 2022-05-03
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the gas flow rate is large, the liquid level of the foaming agent is relatively high, and when the foaming agent at the bottom is squeezed for foaming, multiple bubbles will be formed to stick together and rise up. When this group of bubbles reaches the top, there may be only some bubbles Burst, while the rest of the bubbles will slowly move down the tube wall, at this time must be manually cleared before the next cycle of measurement

Method used

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Embodiment 1

[0040] Such as figure 2 As shown, in a preferred embodiment, the parallel straight tube 20 also includes a spherical ruptured part 22, which is connected in the length direction of the straight tube main body 21 and integrally formed with it. The diameter of the spherical ruptured part 22 is larger than that of the straight tube. The diameter of the main body 21 . In this way, when the soap film bubbles descending in the straight pipe main body 21 reach the position of the spherical rupture part 22, the soap film ruptures due to the rapid expansion of the surface area. Drop or flow down the pipe wall into the foam making agent.

[0041] Preferably, the diameter of the spherical membrane rupture portion 22 is twice the diameter of the straight tube main body 21 .

[0042] Optionally, the variance of the difference between the diameter of the straight pipe main body 21 and the diameter of the metering pipe main body 11 is within 10%. Preferably, the diameter of the straight ...

Embodiment 2

[0044] In this embodiment, the parallel straight tube 20 does not include the spherical rupture portion 22, and the diameter of the parallel straight tube 20 is configured to be larger than the diameter of the metering tube main body 11 (preferably twice it), so that, from the upper bridge tube 30 The soap film bubbles with increased thickness enter the straight pipe main body 21 and burst due to the rapid increase in surface area. After the soap film bubbles burst, the foam-making agent will fall in the pipe or flow down into the foam-making agent along the pipe wall.

[0045] The soap film flowmeter provided by this application enables the double bubbles or multi-bubbles formed during the operation to be destroyed and recovered by the gas to the other side, and the unbroken bubbles also slowly fall and move to the foaming agent on the other side Liquid level, so as to eliminate the influence of redundant air bubbles on the next measurement cycle; let the bubble breaking proce...

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Abstract

The invention provides a soap film flowmeter, which comprises a metering tube used for testing the volume or the flow rate of gas; the parallel straight pipe is parallel to the metering pipe and is provided with an exhaust port, the parallel straight pipe is communicated with the metering pipe at the top end through an upper bridge pipe, and the parallel straight pipe is communicated with the metering pipe at the bottom end through a lower bridge pipe; wherein the diameter of the upper bridge pipe is smaller than that of the metering pipe. By means of the soap film flowmeter, bubbles can be brought into the parallel straight pipes to be broken and recycled, and measurement of the next period in the metering pipe is not affected.

Description

technical field [0001] The invention relates to the technical field of detection instruments, and more particularly, to a soap film flowmeter. Background technique [0002] Soap film flowmeter is a traditional gas flow and volume measurement tool commonly used in laboratories. Although various electronic measurement methods have been developed for decades, the movement process of gas in the flowmeter and the movement direction of soap foam have not changed. [0003] Such as figure 1 Shown is the structural representation of existing soap film flowmeter, and it comprises metering tube main body 11, foam-making agent storage pipe 12, air inlet pipe 13 and latex head 14, and the foam-making agent storage pipe 12 at its bottom is stored Foaming agent, its liquid level height is far higher than the height of intake pipe 13. While feeding the gas to be measured through the air inlet pipe 13, squeeze the latex head 14 below, the gas passes through the foaming agent to form a soap...

Claims

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Application Information

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IPC IPC(8): G01F1/38G01F15/12
CPCG01F1/38G01F15/12
Inventor 范明俞凌杰赵永强郑伦举王强芮小庆刘友祥
Owner CHINA PETROLEUM & CHEM CORP
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