Device and method for measuring coalbed gas basic parameters and predicating gas accumulation zone

A technology for coal seam gas and basic parameters, which is applied in the field of mine gas control and monitoring, can solve the problems of complex methods and few prediction methods for gas accumulation zones, and achieves the effect of reducing the influence of time and error readings, good application prospects and convenient debugging.

Active Publication Date: 2019-10-08
GUIZHOU UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The invention provides a device and method for testing the basic parameters of coal seam gas and predicting the gas accumulation zone, which overcomes the defects of complex methods for testing the basic parameters of coal seam gas and few methods for predicting the gas accumulation...

Method used

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  • Device and method for measuring coalbed gas basic parameters and predicating gas accumulation zone
  • Device and method for measuring coalbed gas basic parameters and predicating gas accumulation zone
  • Device and method for measuring coalbed gas basic parameters and predicating gas accumulation zone

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Embodiment

[0023] refer to Figure 1 to Figure 3 , this embodiment provides a device for testing the basic parameters of coal seam gas and predicting the gas accumulation zone. The mouth 201 is covered with a waterproof and breathable membrane 202, a wireless signal transmitter 3 is fixed on the outer wall of the breathable shell 2, and the breathable shell 2 is also connected with an air duct 11, and a flow sensor 4 is fixed on the outer wall of the device shell 1, and the device shell 1 A base 5 is fixed inside, and a movable cork 7 is provided on the opposite side of the device shell 1 to the base 5, and a pressure sensor 6 is fixed on the surface of the base 5, and the pressure sensor 6 and the movable cork 7 are connected by a spring 8 The other side of the movable cork 7 opposite to the spring 8 is provided with a balloon 9, the spheroid portion of the balloon 9 is arranged in the device casing 1, and the movable cork 7 is bonded to the surface of the balloon 9, and the air intake ...

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Abstract

The invention provides a device and a method for measuring coalbed gas basic parameters and predicating a gas accumulation zone, overcomes the defects that a coalbed gas basic parameter site-test method is complex and a predicating method for a gas accumulation zone is very few, and provides a wireless device and method for measuring coalbed gas basic parameters and predicating a gas accumulationzone. Data is transmitted stably and reliably, the device and the method are more practical, and have industrial utilization value, and the invention belongs to the field of control and monitoring ofmine gas.

Description

technical field [0001] The invention relates to a device and method for testing basic parameters of coal seam gas and predicting a gas accumulation zone, belonging to the field of mine gas control and monitoring. Background technique [0002] At present, coal mines have taken many measures to prevent and control gas accidents, but gas accidents still occur frequently, and most of them are major and extraordinarily serious accidents. Sex is not strong. For coal mines, it is very important to measure the gas parameters. Through this work, basic data can be provided for the preliminary design, safety special chapter, and gas drainage design. [0003] The measurement of basic parameters of coal seam gas refers to obtaining the basic parameters of coal seam gas in a certain area through a series of on-site data measurement and laboratory data analysis. Attenuation coefficient, extraction radius and other parameters. However, due to the limitation of site conditions, when testi...

Claims

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Application Information

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IPC IPC(8): E21F17/18
CPCE21F17/18
Inventor 韦善阳孙威曲日红杨欢阴昊阳苗青
Owner GUIZHOU UNIV
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