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Three phase mixed fluid on-line parameter measuring method and device

A mixed fluid and parameter measurement technology, applied in the direction of measuring devices, specific gravity measurement, instruments, etc., can solve the problems of strict cleanliness requirements of the measured medium, inability to provide single-component mass concentration, expensive components, etc., to achieve installation and maintenance Simple, simple measurement means, and accurate measurement results

Inactive Publication Date: 2004-11-17
冯长周
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Problems solved by technology

The problems of these conventional measurement techniques are: 1. It can only be used to measure the mass flow M and the mixing density ρ of the two-phase mixed fluid, but cannot provide the mass concentration ρ of the single component in the mixed fluid B1 , ρ B2
2. Some measuring devices have relatively strict requirements on the cleanliness of the measured medium, and are not suitable for the measurement of dirty, wet, fouling gas, viscous, crystallizing liquid and other fluids
3. The components used in some measuring devices are expensive, fragile, and costly to use

Method used

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  • Three phase mixed fluid on-line parameter measuring method and device
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  • Three phase mixed fluid on-line parameter measuring method and device

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Embodiment Construction

[0047] The online concentration measurement method of the three-phase mixed fluid of the present invention includes mixed fluid separation, data extraction and data processing. The working principle of the measuring device used in the mixed fluid separation and data extraction steps is as follows: figure 1 , figure 2 shown. The measuring device and the fluid conveying main pipeline 12 can adopt such as figure 2 The bypass communication shown may also be in direct communication with the main fluid delivery conduit. When using bypass connection, it consists of supply pump 1, supply pipeline 2, deceleration separator 3, uplink loop pipe 4, downlink loop tube 5, pressure transmitter 7, and five differential pressure transmitters 6, 8.1, 8.2 , 9.1, 9.2, intelligent display instrument 10, pipeline 15, main flow meter 11, fluid delivery main pipeline 12 and sampling valve 13,14. The front end of the supply flow pump 1 is connected to the main fluid delivery pipeline 12 through ...

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Abstract

The invention is a kind of online parameter measuring method and device for triphase compound fluid, which belong to fluid measuring technology field. It provides a measuring method and device for solving the weight flux and weight density of triphase compound flow. The technology project is: A. separates the mixed fluid: the mixed fluid is decelerated and distributed; the fluid with large density enters the subjacent loop pipes; the fluid with small density flows into the upper loop pips; B. data extraction: extracts five pressure differences values of fluid in the pipe and after being distributed; C. data processing: the extracted data are input into the intelligent displaying device to be processed, acquires the weight density ªÐB1, ªÐB2, ªÐB3 of each ingredient in the triphase compound fluid. The invention not only can detect the weight flux, compound thickness of the triphase compound fluid, but also can detect the weight flux and weight density of each ingredient.

Description

technical field [0001] The invention relates to a measurement method and a measurement device for mixed fluid parameters, in particular to a measurement method and a measurement device for online parameters of three-phase mixed fluids such as gas-oil-water, gas-liquid-mud, etc., belonging to the technical field of fluid measurement. Background technique [0002] The measurement of online parameters (including mass flow and mass concentration, etc., the same below) of the fluid in the pipeline is a commonly used measurement technology in industry. When the fluid to be measured is a two-phase or three-phase substance, its flow state and density state are complex and changeable, which brings many difficulties to the measurement of online fluid mass concentration. Currently known mixed-phase fluid measurement methods are mostly two-phase two-parameter measurement, such as using a combination of mass flowmeter and volume flowmeter to measure, and then calculate and process the me...

Claims

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Application Information

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IPC IPC(8): G01N9/00
Inventor 冯长周冯轩
Owner 冯长周
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