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Gas-liquid polyphase flow separating rectifying device and measurement device thereof

A rectifier and multiphase flow technology, applied in the field of gas-liquid multiphase flow separation rectifier, can solve the problems of low measurement accuracy, high calibration cost, inability to realize real-time online measurement, etc.

Inactive Publication Date: 2007-08-15
李振彦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the shortcomings of the existing tank type gas-liquid separation device, such as complex structure, high cost, difficult maintenance, high calibration cost, and low measurement accuracy, the present invention provides a gas-liquid separation device with simple structure, small volume, low cost, and high measurement accuracy. Liquid multiphase flow separation and rectification device
[0007] In order to overcome the shortcomings of the existing oil-water-gas multiphase flow measurement system that cannot realize real-time online measurement and is not suitable for seabed measurement; the present invention provides a method for simultaneous measurement of oil-water-gas multiphase flow without separation, especially in Multiphase flow measurement device for non-separation real-time on-line measurement of crude oil, natural gas, oil water, etc. in offshore oil and gas fields

Method used

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  • Gas-liquid polyphase flow separating rectifying device and measurement device thereof
  • Gas-liquid polyphase flow separating rectifying device and measurement device thereof
  • Gas-liquid polyphase flow separating rectifying device and measurement device thereof

Examples

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Effect test

Embodiment 1

[0077]Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a gas-liquid multiphase flow separation and rectification device includes a casing (1), and the inside of the casing (1) is a separation chamber, and the casing (1) ) is provided with an introduction tube (2) on the upper side, and the introduction tube (2) is connected with an outer tube for introducing fluid; the lower side of the shell (1) is provided with a liquid collection conduit (3), and the The liquid collection conduit (3) stretches into the bottom of the separation chamber, and the liquid collection conduit (3) includes a filter (6-2), a liquid collector (3-1), a liquid conduit (3-2), a liquid mixing part, gas-liquid mixing section (3-6), gas-liquid rectifying section (3-7), and outlet section; the bottom of the shell (1) is provided with a discharge conduit (1-7); the upper part of the shell is provided with Gas conduit (4-1), the gas conduit includes a bent pipe communicating with the upper part of the hou...

Embodiment 2

[0082] With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, in the present embodiment, a constant helix type vortexer is installed in the described introduction pipe, and the rotation angle of the described constant helical monomer is 180 degrees; the introduction section of the liquid conduit is provided with a first helical beam static mixer (3-4), and the helical beam static mixer includes three or more than three helical monomers, Each helical monomer has the same size; the adjacent helical monomers are tangent or approximately tangent to the pipe wall of the pipeline; the helix angle of the helical monomers is 180 Spend.

[0083] The main homogeneous rectifying mixer includes a front thin plate cross mixer and a rear helical bundle static mixer. The secondary mixer is a helical bundle static mixer. The helical bundle type static mixer includes no less than three helical units, and each helical unit is fixedly connected to each other to form a helica...

Embodiment 3

[0087] With reference to Fig. 8, a typical application example of the present invention is to utilize the oil-moisture sensor to measure the oil-moisture ratio in the liquid, utilize the speed sensor to measure the volume flow rate of the mixed fluid and utilize the Venturi principle to measure the components of liquid and gas, thereby realizing A new type of fluid instrument for multiphase fluid measurement. This embodiment has the advantages of simple and compact structure, small volume, low cost, simple explosion-proof safety and the like. And the production verification has been carried out, and the design effect has been achieved. This embodiment consists of two parts, namely a signal collection system and a signal processing system. The signal collection system consists of a special static homogeneous rectifier mixer (3-7) arranged inside the aforementioned fluid outlet pipe, a differential pressure gauge (8) for measuring the pressure difference of the static mixer, an...

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Abstract

This invention relates to one gas to liquid separation integral current device, which comprises shell set with sealed separation chamber with top side set with water guide tube and the guide tube and guide flow outer tube are connected; the shell down part is set with liquid collection guide tube through shell into separation chamber; the liquid collection guide tube orderly comprises guide section, liquid mixture section, gas and liquid mixture section, exit one; the separation chamber top is set with gas guide tube connected with gas and liquid mixture section; guide flow tube is connected to gas guide tube vertical section; the liquid collection tube exit section is set with main gas liquid even integral mixture device.

Description

(1) Technical field [0001] The invention relates to a gas-liquid multiphase flow separation and rectification device and a detection device for measuring oil-water-gas multiphase fluid, in particular to a measurement device that can effectively improve the measurement accuracy of oil-water-gas three-phase flow. (2) Background technology [0002] In order to reduce the production cost of oil and gas, the application of multiphase flow measurement technology has been widely valued by the petroleum industry. It has become the consensus of the petroleum industry to replace the existing high-cost separation tank measurement production mode with simple structure and relatively cheap online measurement high-tech means. Especially with the continuous expansion of offshore oil production scale, reducing production costs becomes particularly important. [0003] The measurement and research of oil-gas-water multiphase flow began in the 1980s. Since then, although the research and deve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/00G01F15/08
Inventor 俞洪燕
Owner 李振彦
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