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Two-stroke gas-liquid biphase flowmeter

A flowmeter and gas-liquid technology, applied in the field of two-stroke gas-liquid two-phase flowmeter, can solve the problems of limited measurement accuracy, large volume, complex structure, etc., and achieve the effect of low investment cost, small volume and obvious economic benefits

Inactive Publication Date: 2007-10-10
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These measurement methods are often a measuring device, which is bulky, complex in structure, high in cost, and greatly limited in measurement accuracy.

Method used

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  • Two-stroke gas-liquid biphase flowmeter
  • Two-stroke gas-liquid biphase flowmeter
  • Two-stroke gas-liquid biphase flowmeter

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] The overall structure of the two-stroke gas-liquid two-phase flowmeter is shown in Figure 1 and Figure 2. The lower connecting pipe 2 is inserted into the two-phase flow pipe 1, and a section of the lower connecting pipe 2 has many small holes in the two-phase flow pipe 1. , the lower connecting pipe 2 is connected to one end of the control valve 3 on a section outside the two-phase flow pipe 1, the other end of the control valve 3 is connected to one end of the upper connecting pipe 5, and the other end of the upper connecting pipe 5 is connected to the rodless cavity of the cylinder 9 , the piston rod 10 of the cylinder 9 is electrically connected to the drive control processing unit 13 through the stepping motor 12, and one end of the pressure sensor 6 and the temperature sensor 7 are respectively connected to the rodless chamber of the cylinde...

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Abstract

The invention relates to a two-stroke gas-liquid flow measurer. Wherein, the two-phase tube is inserted with a lower connecting tube whose section that inside the two-phase tube has many small poles; the upper end of the part that outside the two-phase tube via control valve is connected to the upper connecting tube, to connect the non-rod chamber of cylinder; the piston of cylinder via step motor is connected to the drive control processing unit; one end of pressure temperature sensor is connected to the non-rod chamber of cylinder; the two-phase tube is mounted with a pressure-difference sensor whose two pressure inlets are connected to two sides of lower connecting tube; the pressure temperature and pressure-difference sensor and the control valve are connected to the drive control processing unit; the liquid is adsorbed or discharged by the cylinder via piston; according to the temperature and pressure changes at the adsorb stroke and the compress discharge stroke, attains the mixed phase density of two-phase flow, to be processed with the pressure-difference signal of two-phase tube to attain the total flow and the flow of each phase.

Description

technical field [0001] The invention relates to a flow test device, in particular to a two-stroke gas-liquid two-phase flowmeter. Background technique [0002] The two-stroke gas-liquid two-phase flowmeter is a new multiphase flowmeter with a new structure. Due to the complexity and randomness of multiphase flow and its influencing factors, the detection technology of multiphase flow is a problem that is far from being solved but has universal significance. The flow pattern distribution of gas-liquid two-phase flow in the pipe includes bubbly flow, slug flow, plug flow, wave flow, laminar flow, annular flow and even core flow, etc., which are related to the incoming flow velocity, gas content rate and pipeline The layout is related to factors such as site conditions, and the changes between flow patterns are random and uncertain; for oil, gas, water or even oil, gas, water, sand (solid particles) multiphase flow encountered in oil and gas fields, Changes are more complex. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/34G01F7/00
Inventor 梁国伟谢代梁郑永军郑建光
Owner CHINA JILIANG UNIV
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