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A multifunctional downhole gas measuring device

A gas measurement and multi-functional technology, applied in the direction of safety devices, measurement, wellbore/well components, etc., can solve the problems of insufficient system, large safety hazards, and inability to detect mining areas, etc., to achieve long-distance measurement, long service life, and powerful The effect of automatic management capabilities

Inactive Publication Date: 2018-02-06
LIAONING TECHNICAL UNIVERSITY
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Problems solved by technology

Existing detection methods usually require inspectors to conduct regular inspections, which are not systematic enough to conduct a comprehensive inspection of the mining area, resulting in greater safety hazards

Method used

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  • A multifunctional downhole gas measuring device

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] see figure 1 , in an embodiment of the present invention, a multi-functional downhole gas measuring device, comprising a downhole acousto-optic alarm 2, a detector 3, an electromagnetic valve 4, an air suction port 5, an infrared Fourier transform interferometer module 6, and an air extraction pipeline 7. Exhaust fan 8, data acquisition and processing module 9, sound and light alarm 10 outside the well and control host 11. The air extraction pipeline 7 ...

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Abstract

The invention discloses a multi-functional downhole gas measurement device, which comprises a downhole acousto-optic alarm, a detector, an electromagnetic valve, an air suction port, an infrared Fourier transform interferometer module, an air extraction pipeline, an exhaust fan, and a data acquisition and processing module , the sound and light alarm outside the well and the control host, the air extraction pipeline is arranged on the top of the mine, and is set according to the operating area; the bottom of the air extraction pipeline is provided with several suction ports, and the side walls of the suction ports Relatively install the infrared Fourier transform interferometer module and the detector. The invention uses an infrared Fourier transform interferometer module and a detector to perform spectral analysis on the gas flowing through the suction port, and analyzes the concentration of methane, oxygen, carbon monoxide, and carbon dioxide in the coal mine through the control host, and at the same time, the spectral analysis speed is fast and can be timely Forewarning.

Description

technical field [0001] The invention relates to a downhole gas measuring device, in particular to a multifunctional downhole gas measuring device. Background technique [0002] At present, gas accidents are still the accidents that cause major deaths and the largest number of fatalities among coal mine accidents. It has the characteristics of suddenness and seriousness, and it occupies the first place among the large coal mine accidents in which the death toll is more than 3 people. [0003] In the process of coal mining, as the coal and rock stripping mining work is carried out, after the surface air enters the underground, due to the decay of organic matter in the underground, coal oxidation, blasting operations, and the desorption of harmful gases in the coal seam, the composition of the underground air occurs. major changes. Especially after the catastrophic accident took place underground, a large amount of poisonous and harmful gases were produced, which seriously af...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21F7/00E21B47/00
CPCE21B47/00E21F7/00
Inventor 张智慧唐治王学滨白春红解书华
Owner LIAONING TECHNICAL UNIVERSITY
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