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A flow measurement and adjustment device with anti-blocking function and its control method

A technology of flow measurement and adjustment devices, which is applied in flow control, measurement devices, flow control of electric devices, etc., and can solve problems such as unstable flow regulation, high frequency of equipment maintenance, and blockage of steam injection regulating valves.

Active Publication Date: 2022-05-27
XINJIANG ZHONGYUAN TIANNENG OIL & GAS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a flow measuring and adjusting device with anti-blocking function and its control method, so as to solve the problem of unstable flow regulation of existing equipment, frequent blockage of steam injection regulating valves, resulting in high frequency of equipment maintenance and affecting the production efficiency of enterprises The problem

Method used

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  • A flow measurement and adjustment device with anti-blocking function and its control method
  • A flow measurement and adjustment device with anti-blocking function and its control method
  • A flow measurement and adjustment device with anti-blocking function and its control method

Examples

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Embodiment 1

[0039] A flow measurement and adjustment device with anti-blocking function, comprising a main measurement pipeline, on which a flow meter, a temperature sensor, and a T-shaped three-pass filter are installed and connected in sequence according to the flow direction of the flow, and the T-shaped three-pass filter is connected. It includes a first outlet end that is perpendicular to the main measurement pipeline and a second outlet end that is parallel to the main measurement pipeline. The first outlet end is connected with a bypass pipeline. The horizontal section parallel to the measurement pipeline and the vertical section perpendicular to the main measurement pipeline, the vertical section is communicated with the main measurement pipeline, and a two-way switching valve is also installed and communicated with the main measurement pipeline on one side of the second outlet end. The two-way switching valve is located between the connection between the vertical section and the m...

Embodiment 2

[0042] On the basis of Embodiment 1, the included angle between the inclined section and the vertical line of the main measurement pipeline is α, and the angle range of α is 0°<α<90°.

[0043] Through this setting, the inclined section has a certain inclination angle with the main measurement pipeline, which effectively prevents the liquid remaining in the bypass pipeline from freezing the bypass pipeline, and also helps to prevent impurities from entering the bypass pipeline and blocking the flow regulating shut-off valve.

Embodiment 3

[0045] On the basis of the above embodiment, the two-way switching valve core of the two-way switching valve is provided with a full-bore channel and a small-bore channel, and the angle between the openings of the full-bore channel and the small-bore channel is 90°.

[0046] Through this setting, the two-way switching valve core is provided with a full-bore channel and a small-bore channel. During normal operation, it is in the small-bore channel for sewage discharge. If there is a special super-large particle blockage, the flow will gradually decrease, and the flow computer will recognize it. When the flow rate decreases, it will automatically judge and identify, and switch to the full-bore channel to discharge the sewage immediately. At the same time, the flow computer controls the two-way switching valve regularly according to the set time, and switches to the full-bore channel to remove possible oversized debris.

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Abstract

The invention discloses a flow measurement and adjustment device with anti-blocking function and a control method thereof, belonging to the technical field of industrial flow measurement, and aims to solve the problems of unstable flow regulation of existing equipment and frequent blockage of steam injection regulating valves, resulting in excessive maintenance frequency of equipment. High, which affects the production of enterprises. It includes the main measuring pipeline. The main measuring pipeline is connected with a flowmeter, a temperature sensor and a T-shaped three-way filter according to the installation. A two-way switching valve is also installed on the main measuring pipeline on the side of the second outlet, and a flow regulating cut-off valve is installed and communicated on the horizontal section of the bypass pipeline. The valve and the two-way switching valve are respectively electrically connected to the flow computer. The invention is suitable for flow measuring and regulating devices with anti-blocking function.

Description

technical field [0001] The invention belongs to the technical field of industrial flow measurement, in particular to a flow measurement and adjustment device with anti-blocking function and a control method thereof. Background technique [0002] The measurement and regulation of some fluids in the industrial field is more complicated, and it is even more difficult for special multiphase flow measurement. Such as heavy oil thermal recovery steam flow and dryness measurement and adjustment. The measurement of steam injection in thermal recovery of heavy oil is very complicated, because most of the steam at the steam injection wellhead is wet steam. Since the flow rate of wet steam is gas-liquid two-phase flow, it belongs to the category of multiphase flow, and the flow rate of wet steam fluctuates relatively large, resulting in frequent flow control. And unstable; the steam boiler outlet descaling and pipeline slag lead to frequent blockage of the regulating valve, resulting ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/00G01F15/00G01F15/10G01F15/12G01F15/18G05D7/06
CPCG01F1/00G01F15/125G01F15/10G01F15/005G01F15/185G05D7/0635
Inventor 卢玖庆董庆丰丁勇彬何峰王彬臣高永鑫
Owner XINJIANG ZHONGYUAN TIANNENG OIL & GAS TECH CO LTD
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