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Complex T-shaped pipe separator for multi-phase flow separation and separation method thereof

A separation method and multi-phase flow technology, applied in the field of multi-phase flow separation, can solve the problems of high cost of separation tank and cyclone separator equipment, inconvenient installation, update and maintenance, poor separation effect of two-phase flow, etc., and achieve The effect of simple structure, low cost and small volume

Active Publication Date: 2012-11-28
溧阳常大技术转移中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the following two disadvantages: the equipment cost of the separation tank and the cyclone separator is high, it is easy to leak, and it is inconvenient to install, update and maintain on the pipeline; the T-shaped tube has a certain separation ability for two-phase flow, and the structure is simple. It is easy to install, update and maintain, but the separation effect of a single T-shaped tube on two-phase flow is poor

Method used

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  • Complex T-shaped pipe separator for multi-phase flow separation and separation method thereof
  • Complex T-shaped pipe separator for multi-phase flow separation and separation method thereof
  • Complex T-shaped pipe separator for multi-phase flow separation and separation method thereof

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Effect test

Embodiment 1

[0026] Air and water form a gas-liquid two-phase flow system, using figure 2 In the type II composite T-tube separator shown, when the pipe diameter and the diameter of the composite T-tube are both 0.010m, the number of intermediate connecting pipes (4) is 3, the constant air pressure at room temperature is 0.1MPa, and liquid and The apparent velocity of the gas at the inlet of the main pipe is 0.35m / s, and the flow pattern of the two-phase flow at this time is plug flow. The experimental results of the separation efficiency varying with the mass fraction produced are shown in Image 6 . In the figure, the ordinate is the separation efficiency, and the abscissa is the mass fraction of the mixture flowing from the branch pipe or the collecting pipe in the total feed mixture, that is, the recovery fraction, and the diagonal line is the ideal separation line. It can be seen from the figure that under this separation condition, as the recovery fraction increases, the separation ef...

Embodiment 2

[0028] A liquid-liquid two-phase flow system composed of kerosene and water, using figure 1 In the shown I-type composite T-shaped tube separator, when the pipe diameter and the diameter of the composite T-shaped tube are both 0.010m, there are three intermediate connecting pipes (4), and the apparent velocity of kerosene is 0.35m / s at room temperature. , The apparent velocity of water is 0.66m / s, and the flow pattern of the liquid-liquid two-phase flow is stratified flow with mixed interface. The experimental results of the separation efficiency changing with the produced mass fraction are shown in Figure 7 . The ordinate in the figure is the separation efficiency, the abscissa is the mass fraction of the mixture flowing out of the collecting pipe in the total inflow liquid-liquid mixture, and the dashed line is the ideal separation line. It can be seen from the figure that with a simple T-shaped tube, the maximum separation efficiency is only about 75%, while with a composit...

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Abstract

The invention discloses a novel separator for separating two-phase flow and multi-phase flow mixture, such as gas-liquid, liquid-liquid, liquid-solid, gas-solid and other mixture. According to the non-uniformity principle of the two-phase flow distribution of T-shaped three-way pipes, the separator mainly comprises a main pipe (3), a connecting pipe (4) and a collecting pipe (5), fluid can pass through a plurality of T-shaped pipes at one time during the flowing process, thereby achieving the purpose of phase separation. Compared with the single T-shaped pipe, the separation efficiency of theseparator is remarkably improved. The separator has the advantages of simple and compact structure, low cost, high safety, high separation efficiency, convenient installation, replacement and maintenance on the pipes and the like.

Description

Technical field [0001] The present invention relates to the field of multiphase flow separation, in particular to a device and method for separating gas-liquid, liquid-liquid, gas-solid, liquid-solid and other two-phase flows and separating multiphase flows. Background technique [0002] Two-phase flows such as gas-liquid, liquid-liquid, liquid-solid, gas-solid, and multi-phase flows such as gas-liquid-solid are common in chemical, metallurgy, energy, mining, food and household appliance industries. In order to improve the economy and safety of the industrial process and obtain a single-phase product, these different phases are often separated by certain methods. [0003] Traditional such separators mainly include separation tanks, settling tanks and cyclones. However, separation tanks or sedimentation tanks are generally bulky. If it is a large offshore platform for oil and gas, oil-water separation in offshore oil fields, not only the investment is high, but also there are safet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D17/02B01D19/00B01D43/00B01D49/00
Inventor 杨利民
Owner 溧阳常大技术转移中心有限公司