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Experimental device and method for simulating flow characteristic of coal bed gas gathering and transportation pipeline

A technology of flow characteristics and experimental equipment, which is applied in fluid dynamics tests, measuring devices, and testing of machine/structural components. It can solve problems such as inability to simulate, and achieve the effects of reducing experimental errors, compact connections, and expanding the scope.

Inactive Publication Date: 2015-07-01
CHINA UNIV OF PETROLEUM (BEIJING) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, none of these loops can simulate the flow of various media such as water and solid particles in the coalbed methane gathering and transportation pipeline, that is, there are various working conditions such as gas-liquid, gas-solid, gas-liquid-solid, etc.

Method used

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  • Experimental device and method for simulating flow characteristic of coal bed gas gathering and transportation pipeline

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Experimental program
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Effect test

Embodiment approach 1

[0042] like figure 1 As shown, the present invention provides an experimental device for simulating the flow characteristics of a coalbed methane gathering and transportation pipeline, which includes an experimental pipeline system 1 , a water supply system 2 , a gas supply system 3 and a feeding system 4 . Wherein: the experimental pipeline system 1 has a test tube 11, the inlet end 111 of the test tube 11 is connected with a mixer 12, and the test tube 11 is provided with an observation tube 13; the water supply system 2 has a water supply pipe 21, and the water supply pipe One end of 21 is connected with water storage tank 22, and its other end is connected with described mixer 12, and water pump 23 is connected on described water supply pipe 21; Air supply system 3 has air supply pipe 31, and one end of described air supply pipe 31 is connected with Air compressor 32, its other end links to each other with described mixer 12, is connected with buffer tank 33 on described a...

Embodiment approach 2

[0065] The present invention also provides an experimental method for simulating the flow characteristics of a coalbed methane gathering and transportation pipeline. The experimental method for simulating the flow characteristics of a coalbed methane gathering and transportation pipeline adopts the experimental device for simulating the flow characteristics of a coalbed methane gathering and transportation pipeline in Embodiment 1. The structure, working principle and beneficial effects of the experimental device for simulating the flow characteristics of the coalbed methane gathering and transportation pipeline are the same as those in Embodiment 1, and will not be repeated here. The experimental method for simulating the flow characteristics of the coalbed methane gathering and transportation pipeline comprises the following steps:

[0066] a) Output gas through the gas supply system 3, output liquid through the water supply system 2, and output solid through the feeding syst...

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Abstract

The invention discloses an experimental device and method for simulating a flow characteristic of a coal bed gas gathering and transportation pipeline. The experimental device comprises an experimental pipeline system, a water supplying system, a gas supplying system and a feeding system, wherein the experimental pipeline system is provided with a testing pipe and a feeding end of the testing pipe is connected with a mixer; the testing pipe is provided with an observation pipe; the water supplying system is provided with a water supplying pipe; one end of the water supplying pipe is connected with a water storage tank and the other end of the water supplying pipe is connected with the mixer; the water supplying pipe is connected with a water pump; the gas supplying system is provided with a gas supplying pipe; one end of the gas supplying pipe is connected with an air compressor and the other end of the gas supplying pipe is connected with the mixer; the gas supplying pipe is connected with a buffering tank; the feeding system is provided with a feeding device; and the feeding device is connected with a feeding pipe which is connected with the gas supplying pipe in parallel. According to the experimental device and method disclosed by the invention, gas-liquid, gas-solid and gas-liquid-solid multi-phase flow experiments can be carried out; and multi-phase flow states, influence factors and pressure drop rules of the coal bed gas gathering and transportation pipeline can be described and predicated.

Description

technical field [0001] The present invention relates to an experimental device and method for simulating the multiphase flow existing in coalbed methane field gathering and transportation pipelines, in particular to a simulation of gas-liquid, gas-solid, and gas-liquid-solid flow processes existing in coalbed methane gathering and transportation pipelines Experimental device and method for flow characteristics of coalbed methane gathering and transportation pipeline. Background technique [0002] In the process of coalbed methane exploitation, coal powder is produced due to the instability of the coal seam well wall and matrix rupture. The water and coal powder at the bottom of the well reach the ground during the drainage and gas recovery process. Some water and pulverized coal enter the gathering and transportation pipeline along with the gas. This causes liquid and solid impurities to exist in gas gathering and transportation pipelines. Depending on the development perio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M10/00
Inventor 宫敬傅小康李晓平陈仕林周军吴海浩李杰
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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