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System and method for in-situ detection and remote monitoring and analysis of parameters in underground mine airtight environment

An in-situ detection, closed environment technology, applied in the direction of analyzing materials, material analysis and measurement by optical means, etc., can solve problems such as troublesome and high risk, and achieve the effect of reducing risk, high sensitivity and small size

Active Publication Date: 2021-05-18
CHINA UNIV OF MINING & TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this manual sampling method is relatively cumbersome and has a high risk

Method used

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  • System and method for in-situ detection and remote monitoring and analysis of parameters in underground mine airtight environment
  • System and method for in-situ detection and remote monitoring and analysis of parameters in underground mine airtight environment
  • System and method for in-situ detection and remote monitoring and analysis of parameters in underground mine airtight environment

Examples

Experimental program
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Effect test

Embodiment 1

[0046] combine image 3 It can be seen that the specific method for in-situ detection and remote monitoring and analysis of spontaneous combustion parameters in the confined space of coal mines is as follows: Step 1) Judging whether the monitoring modules and communication are normal, judging the communication through the set handshake protocol, and analyzing the monitoring module through the inspection results If it is normal, the wake-up system will trigger the exhaust pump to exhaust, and at the same time start the multi-component gas in-situ detection and analysis device;

[0047] Step 2) Detect whether the gas meets the detection requirements, judged by whether the air pump continues to run for 2 minutes, if so, start the multi-component gas in-situ detection and analysis device for detection and analysis; if not, re-trigger the air pump to exhaust;

[0048] Step 2.1) Detect whether the near-infrared light beam of the multi-component gas in-situ detection and analysis dev...

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Abstract

The invention discloses a system and method for in-situ detection and remote monitoring and analysis of underground environmental parameters in a mine. Position detection and analysis device, intrinsically safe storage power supply module, Ethernet communication system, and remote monitoring center for underground airtight parameters. The airtight internal parameter monitoring system is installed on the airtight wall, relying on the intrinsically safe power supply device for power supply. In the laboratory, use the principle of spectral absorption to analyze the gas components in situ, transmit the test results to the ground monitoring center through the industrial Ethernet, and use the closed disaster area early warning model to judge the sampling parameters; The component detection frequency is increased to once every 5 minutes, achieving dynamic monitoring and early warning of abnormal information, effectively reducing the occurrence of disasters and accidents.

Description

technical field [0001] The invention belongs to the field of gas concentration monitoring and monitoring in a closed space under a coal mine, and in particular relates to an in-situ detection and remote monitoring and analysis system and method for parameters of an underground closed environment in a mine. . Background technique [0002] Mine fire is a major hidden danger of coal mine safety production. The confined space of goaf is the most prone to spontaneous combustion during underground coal mining. The number of spontaneous combustion accounts for about 60% of the total number of underground fires. It is the key to the prevention and control of coal spontaneous combustion during mining. The focus is a serious threat to the safe production of mines. During coal spontaneous combustion, with the increase of coal temperature, coal oxidation will produce such as CO, CO 2 、C 2 h 4 、C 2 h 6 A series of index gases, such as a series of index gases, under normal circumsta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21F17/18E21B47/00E21B49/08G01N21/359G01N21/3504G01N21/01G01N21/03G06F17/18
CPCE21B47/00E21B49/08E21F17/18G01N21/01G01N21/0303G01N21/3504G01N21/359G01N2021/0112G06F17/18
Inventor 王凯郝海清奚弦蒋曙光蔡伟垚张雨晨王梓婷
Owner CHINA UNIV OF MINING & TECH
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