An online automatic monitoring system and method for carbon dioxide gas concentration

A technology of gas concentration detection and gas concentration, which is applied to the analysis of gas mixtures, the structural details of gas analyzers, and measuring devices, etc., can solve the problems of scientificity and low reliability, and achieve the effect of long-distance acquisition

Active Publication Date: 2021-01-29
CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above analysis, the embodiment of the present invention aims to provide an online automatic monitoring system and method of carbon dioxide gas concentration, which is used to realize the on-site air concentration of carbon dioxide geological storage engineering and the concentration of carbon dioxide gas in the soil, soil temperature, soil moisture content, and air temperature. On-line automatic monitoring of various environmental parameters such as air humidity, air pressure, rainfall, wind speed and wind direction, etc., to solve the problem of scientificity and low reliability in the monitoring of air and soil carbon dioxide concentration in carbon dioxide geological storage projects

Method used

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  • An online automatic monitoring system and method for carbon dioxide gas concentration
  • An online automatic monitoring system and method for carbon dioxide gas concentration

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Embodiment 1

[0049] In an embodiment of the present invention, an online automatic monitoring system for carbon dioxide gas concentration is provided, the structural diagram of the system is as follows figure 1 shown. The system includes: soil and air gas collection unit 1, gas circulation and control unit 2, gas concentration online detection unit 3, environmental parameter collection unit 4, central control unit 5, wireless data transmission unit 6 and solar power supply unit 7; The gas collection unit 1 of soil and air comprises a soil collector and an air collector; wherein the soil collector is buried in the soil, and the air collector is arranged on a surface monitoring support for collecting gas in the soil or air respectively, And the collected gas is transported to the gas concentration online detection unit 3 through the soil gas collection branch and the air gas collection branch respectively.

[0050] Optionally, the soil collector includes an air-collecting fountain 11, a foa...

Embodiment 2

[0071] In an embodiment of the present invention, an online automatic monitoring method for carbon dioxide gas concentration is provided. Such as figure 2 Shown is the schematic flow chart of described method, and described method comprises the following steps:

[0072] Set the soil gas collector, soil temperature sensor, and soil moisture sensor in the soil; set the air gas collector and sensor, rain gauge, air temperature sensor, air humidity sensor, air pressure sensor and wind speed vane on the surface monitoring bracket;

[0073] The central control unit sends timing control commands and circulating pump switch control commands to the air circuit control board, and sends environmental parameter acquisition control commands to the environmental control board;

[0074] The gas circuit control board alternately controls the on-off of the soil gas collection branch or the air gas collection branch according to the sequence control instructions;

[0075] The gas circuit contr...

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Abstract

The invention relates to an online automatic monitoring system and method for carbon dioxide gas concentration, which belongs to the field of gas concentration monitoring and solves the problems of scientificity and low reliability of carbon dioxide concentration monitoring in the prior art. The system includes: at least one soil gas collector for collecting gas in the soil, at least one air gas collector for collecting gas in the air, an air circuit control board for receiving control instructions from the central control unit, Control the on-off of the soil gas collection branch and the air gas collection branch; the central control unit is used to send control instructions to the gas circuit control board according to the set timing requirements, and receive the gas concentration detection results; the gas concentration online detection unit uses It is used to receive the gas from the soil gas collection branch or the air gas collection branch, and perform concentration detection to obtain the gas concentration detection result. On-line automatic monitoring of carbon dioxide gas concentration and various environmental parameters is realized.

Description

technical field [0001] The invention relates to the technical field of gas concentration monitoring, in particular to an online automatic monitoring system for carbon dioxide gas concentration. Background technique [0002] Carbon dioxide capture, utilization and storage technology (Carbon Dioxide Capture, Utilization and Storage, referred to as CCUS) is one of the internationally recognized measures to directly and effectively reduce the emission of greenhouse gas carbon dioxide. The temperature control goal of keeping the increase in average temperature within 2°C above the pre-industrial level and striving to limit the increase in temperature to 1.5°C above the pre-industrial level is decisive. [0003] Carbon dioxide geological utilization and storage technology is a large-scale and long-term full-chain engineering process. Taking an industrialized carbon dioxide geological storage project with a storage capacity of one million tons per year as an example, the pressure o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00
CPCG01N33/004
Inventor 郝文杰李旭峰张建伟任涛蒿书利杨卓静史彦新邵炜刘小天
Owner CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
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