CN108693316A - A kind of density of carbon dioxide gas online auto monitoring system and method - Google Patents
A kind of density of carbon dioxide gas online auto monitoring system and method Download PDFInfo
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- CN108693316A CN108693316A CN201810553538.3A CN201810553538A CN108693316A CN 108693316 A CN108693316 A CN 108693316A CN 201810553538 A CN201810553538 A CN 201810553538A CN 108693316 A CN108693316 A CN 108693316A
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- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
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- G01N33/004—Specially adapted to detect a particular component for CO, CO2
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Abstract
The present invention relates to a kind of density of carbon dioxide gas online auto monitoring system and methods, belong to gas concentration monitoring field, solve the problems, such as the scientific, with a low credibility of gas concentration lwevel monitoring in the prior art.The system comprises:At least one soil gas collector, for acquiring the gas in soil, at least one air gas collector, for acquiring the gas in air, gas circuit control panel, the control instruction for receiving central control unit, the break-make of control soil gas acquisition branch and air gas acquisition branch;Central control unit sends out control instruction to gas circuit control panel for the timing requirements according to setting, receives gas concentration testing result;Gas concentration online detection unit acquires the gas of branch for receiving soil gas acquisition branch or air gas, and carries out Concentration Testing, obtains gas concentration testing result.Realize density of carbon dioxide gas and the online auto monitoring of various environmental parameters.
Description
Technical field
The present invention relates to gas concentration monitoring technical field more particularly to a kind of on-line automatic prisons of density of carbon dioxide gas
Examining system.
Background technology
Collecting carbonic anhydride, using with Plugging Technology Applied (Carbon Dioxide Capture, Utilization and
Storage, abbreviation CCUS) it is internationally recognized directly effectively one of the measure of GHG emissions mitigation carbon dioxide, to realizing gas
Wait variation conference"Paris agreement"That is advocated " controls global average temperature increasing degree and more than level is less than 2 DEG C before industrialization
Within, and make great efforts temperature increasing degree being limited in before industrialization within horizontal above 1.5 DEG C " temperature control target there is decisive work
With.
It is the macrocyclic full chain engineering process of a large scale that carbon dioxide geological, which is utilized with Plugging Technology Applied, every with one
For the industrialization carbon dioxide geological storage engineering of years million tons amounts of sealing up for safekeeping, the pressure influence model of subterranean carbon dioxide is injected
Enclose up to more than ten kms, carbon dioxide leading edge migrates range of scatter up to thousands of rice, may cause fault activation, fracturing cap rock,
The environmental securities such as phreatic water are polluted, it is serious to be also possible to cause ground ecocatastrophe, therefore carbon dioxide geological profit
With with storage safety and environmental risk be the technology application in extensive concern the problem of.Ensure that carbon dioxide geological utilizes
With the safety of storage engineering, it is necessary to carbon dioxide leakage monitoring is carried out to engineering ground, and gas concentration lwevel is leakage prison
Survey the indicators of early warning.
Traditional carbon dioxide monitoring technology one is based on earth's surface off-line monitoring, second is that monitoring index usually only considers two
Aoxidize concentration of carbon.Studies have shown that the environmental factors pair such as air pressure, temperature, humidity, rainfall and the soil moisture, humidity two
Aoxidizing concentration of carbon influences significantly, and correlation, especially air themperature, humidity and soil moisture humidity are dense to carbon dioxide
Degree influences clearly;The solely lower or earth's surface monitoring of environmental factor is not considered, it is difficult to correct identification carbon dioxide source.
Invention content
In view of above-mentioned analysis, the embodiment of the present invention is intended to provide a kind of density of carbon dioxide gas online auto monitoring system
System and method, to realize carbon dioxide geological storage engineering site air concentration and density of carbon dioxide gas and soil in soil
The various environmental parameters such as earth temperature, soil moisture content, air themperature, air humidity, air pressure, rainfall, wind speed and direction it is online from
Dynamic monitoring solves science, the confidence level of carbon dioxide geological storage engineering site air and soil carbon dioxide concentration monitor
Low problem.
The purpose of the present invention is mainly achieved through the following technical solutions:
One aspect of the present invention provides a kind of density of carbon dioxide gas online auto monitoring system, the system comprises:
At least one soil gas collector, for acquiring the gas in soil,
At least one air gas collector, for acquiring the gas in air,
Gas circuit control panel, the control instruction for receiving central control unit, control soil gas acquisition branch and air
The break-make of gas collecting branch;
Central control unit sends out control instruction to gas circuit control panel for the timing requirements according to setting, receives gas
Concentration Testing result;
Gas concentration online detection unit acquires the gas of branch for receiving soil gas acquisition branch or air gas
Body, and Concentration Testing is carried out, obtain gas concentration testing result.
Above-mentioned technical proposal has the beneficial effect that:By above system may be implemented gas concentration in soil and air from
Dynamic on-line checking.
On the basis of said program, the present invention has also done following improvement:
Further, the central control unit sends out control instruction according to the timing requirements of setting to gas circuit control panel,
Including:Central control unit opens air gas acquisition branch, partition air gas acquisition successively according to the break-make frequency of setting
Branch opens soil gas acquisition branch, partition soil gas acquisition branch.
Above-mentioned further technical solution has the beneficial effect that:The central control unit leads to according to the timing requirements of setting
Disconnected air gas acquisition branch and soil gas acquisition branch is opened, realizes air gas concentration and soil gas Concentration Testing
Switching.
Further, the system also includes circulating pump, the circulating pump is arranged in the gas concentration on-line checking list
The exhaust emissions end of member;The central control unit sends circulating pump switching control instruction and gives gas circuit control panel, is followed to control
The opening and closing of ring pump.
Above-mentioned further scheme has the beneficial effect that:It is set at the exhaust emissions end of gas concentration online detection unit described
Circulating pump is set, power drive is provided for gas circuit cycle.
Further, the system also includes environment parameter control unit, the environment parameter control unit, including environment
Parameter acquisition unit and environmental Kuznets Curves plate;The environmental parameter collector include soil temperature sensor, soil moisture content sensor,
Rain gage bucket, air temperature sensor, air humidity sensor, baroceptor, anemovane;The soil moisture sensing
Device, soil moisture content sensor, rain gage bucket, air temperature sensor, air humidity sensor, baroceptor, wind speed and direction
Mark is respectively used to the acquisition soil moisture, soil moisture content, rainfall, air themperature, air humidity, air pressure, wind speed and direction, and will
The environmental parameter collection result of acquisition is sent to the environmental Kuznets Curves plate.
Above-mentioned further scheme has the beneficial effect that:System in automatic on-line detects soil and air gas concentration it is same
When, also acquire the environment such as the soil moisture, soil moisture content, rainfall, air themperature, air humidity, air pressure, wind speed and direction ginseng
Number.
Further, the central control unit sends the instruction of environmental parameter acquisition control to the environmental Kuznets Curves plate, with
Control sampling time and the frequency of environment parameter acquisition unit;When any in soil gas acquisition branch and air gas acquisition branch
Branch is open-minded, and when circulating pump unlatching, environmental parameter collector starts to sample, and obtains environmental parameter collection result.
Above-mentioned further scheme has the beneficial effect that:Gas in soil or air is controlled by central control unit
The acquisition of concentration is carried out at the same time with environmental parameter.
Further, the soil gas collector includes gas collection cylindrical fireworks, foam plugs, the first condensate probe;
The gas collection cylindrical fireworks are embedded with soil, and bottom opening, the first condensate probe are set to the gas collection flower
Cylinder inside top, and be connected with soil gas acquisition branch;The foam plugs are placed on the bottom opening of gas collection cylindrical fireworks
Place;The foam plugs are used for dry gas for particulate matter remnants, the first condensate probe to be isolated;
The air gas collector setting is monitored with earth's surface on holder comprising rain cover and the second condensate probe;Institute
It states the second condensate probe with air gas acquisition branch to be connected, and inside the rain cover;
The rain cover acquires branch for preventing rainwater from entering air gas, and the second condensate probe is used for dry gas.
Above-mentioned further scheme has the beneficial effect that:It is acquired by the soil gas collector and air gas collector
The gas of soil and air drying is acquired respectively.
Further, the central control unit receives the gas concentration testing result of gas concentration online detection unit,
Meanwhile the central control unit receives the environmental parameter collection result of environment parameter acquisition unit, and gas concentration is detected and is tied
Fruit and environmental parameter collection result are handled according to the time sequencing packing of acquisition.
Above-mentioned further scheme has the beneficial effect that:The central control unit joins gas concentration testing result and environment
Number collection result is handled according to the time sequencing packing of acquisition;Convenient for analyzing gas concentration testing result and ring sequentially in time
Border parameter.
Also a kind of density of carbon dioxide gas online auto monitoring method of another aspect of the present invention, described includes following step
Suddenly:
Soil gas collector and soil temperature sensor, soil moisture content sensor are set in the soil;It is supervised in earth's surface
Survey setting air gas collector and sensor, rain gage bucket, air temperature sensor, air humidity sensor, air pressure on holder
Sensor and anemovane;
Central control unit sends out SECO instruction and circulating pump switching control instruction to gas circuit control panel, sends out environment
Parameter acquisition control instruction is to environmental Kuznets Curves plate;
Chronologically alternately control soil gas acquisition branch or air gas acquire branch to control instruction to gas circuit control panel
Break-make;
Gas circuit control panel presses the circulating pump switching control instruction, and gas concentration online detection unit tail gas row is opened in control
Put the circulating pump at end;
Gas concentration online detection unit alternately receives the gas of soil gas acquisition branch or air gas acquisition branch,
Concentration Testing is carried out, gas concentration testing result is obtained;
Environmental parameter collector according to environmental parameter acquisition control instruct in sample frequency and the time sampled, obtain
Environmental parameter collection result.
Above-mentioned technical proposal has the beneficial effect that:
Realize gas concentration and the soil moisture in air and soil, soil moisture content, air themperature, air humidity, air pressure,
The online auto monitoring of the various environmental parameters such as rainfall, wind speed and direction.
Further, the central control unit receives the gas concentration testing result of gas concentration online detection unit,
Meanwhile the central control unit receives the environmental parameter collection result of environment parameter acquisition unit, and gas concentration is detected and is tied
Fruit and environmental parameter collection result are handled according to the time sequencing packing of acquisition.
Further, central control unit will be packaged that treated that result is remotely sent to Data Control Center.
Above-mentioned further scheme has the beneficial effect that:Central control unit will be packaged that treated that result is remotely sent to number
According to control centre;Realize the remote acquisition of gas concentration and environmental parameter monitoring data.
It in the present invention, can also be combined with each other between above-mentioned each technical solution, to realize more preferred assembled schemes.This
Other feature and advantage of invention will illustrate in the following description, also, certain advantages can become from specification it is aobvious and
It is clear to, or understand through the implementation of the invention.The purpose of the present invention and other advantages can by specification, claims with
And it realizes and obtains in specifically noted content in attached drawing.
Description of the drawings
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in entire attached drawing
In, identical reference mark indicates identical component.
Fig. 1 is the structural schematic diagram of system described in the embodiment of the present invention 1;
Fig. 2 is the flow diagram of method described in the embodiment of the present invention 2.
Attached drawing identifies:The gas collection unit of 1- soil and air;11- gas collection cylindrical fireworks;The first condensates of 12- are popped one's head in;13- steeps
Foam plug;14- soil gas delivery pipes;15- rain covers;16- air gas delivery pipes;The second condensates of 17- are popped one's head in;2- gas circulations
With control unit;21- gas circuit control panels;22- soil gas circuits control solenoid valve;23- air gas circuits control solenoid valve;24- threeways;
25- circulating pumps;26- tail gas discharging pipes;3- gas concentration online detection units;4- environmental parameter collecting units;41- environmental Kuznets Curves
Plate;42- soil temperature sensors;43- Soil Moisture Sensors;44- rain gage buckets;45- air temperature sensor;46- air
Humidity sensor;47- baroceptors;48- anemovanes;5- central control units;51- tablet computers;52- keyboards;
53- industry liquid crystal displays;6- wireless data transmission units;61- wireless transmitter modules connect;62- antennas;The solar powered lists of 7-
Member;72- solar panels;71- charging and discharging controllers;73- accumulators.
Specific implementation mode
Specifically describing the preferred embodiment of the present invention below in conjunction with the accompanying drawings, wherein attached drawing constitutes the application part, and
It is used to illustrate the principle of the present invention together with embodiments of the present invention, be not intended to limit the scope of the present invention.
Embodiment 1
In an embodiment of the present invention, a kind of density of carbon dioxide gas online auto monitoring system, the system are provided
The structural schematic diagram of system is as shown in Figure 1.The system comprises:Gas collection unit 1, gas circulation and the control of soil and air
Unit 2, gas concentration online detection unit 3, environmental parameter collecting unit 4, central control unit 5, wireless data transmission unit 6
With solar powered unit 7;The gas collection unit 1 of soil and air includes soil collection device and impinger;It is therein
Soil collection device is embedded in soil, and impinger setting therein is respectively used to acquisition soil on earth's surface monitoring holder
Or the gas in air, and the gas collected is defeated by soil gas acquisition branch, air gas acquisition branch respectively
It send to gas concentration online detection unit 3.
Optionally, soil collection device includes gas collection cylindrical fireworks 11, foam plugs 12 and the first condensate probe 13;Gas collection cylindrical fireworks bury
If with soil, and bottom opening, the first condensate probe is set to the gas collection cylindrical fireworks inside top, and is acquired with soil gas
Branch is connected;Foam plugs are placed at the bottom opening of gas collection cylindrical fireworks;It is solidifying to state first for particulate matter remnants to be isolated for foam plugs
Water prode is used for dry gas.
Optionally, the setting of air gas collector is monitored with earth's surface on holder comprising rain cover and the second condensate probe;
Second condensate is popped one's head in be connected with air gas acquisition branch, and inside rain cover;Rain cover, for preventing rainwater from entering
Air gas acquires branch, and the second condensate probe is used for dry gas.
When implementation, (gas collection cylindrical fireworks of gas collection cylindrical fireworks 11 that the carbon dioxide gas in soil passes through soil gas collecting unit 1
Using a diameter of 40mm plastic pipe punch make, be mainly used for support soil space effect, have the characteristics that it is corrosion resistant,
Other have the tubing of similar functions, also can be used as gas collection cylindrical fireworks) hole enter in gas collection cylindrical fireworks 11, inside gas collection cylindrical fireworks 11
It is pre-placed filter pulp, prevents larger particles from entering, foam plugs 12 are placed in gas collection cylindrical fireworks bottom, ensure only to test certain depth
Soil gas;Soil gas enters soil gas by the first condensate probe 13 and acquires branch, specifically, being to enter soil gas
(for the soft rubber transparent pipe of outer diameter 6mm, internal diameter 4mm, stable material quality is antifreeze, while can observe the ash of the inside for delivery pipe 14
Dirt).
Soil gas delivery pipe 14 is connected to make-and-break control switch inlet end, specifically, being attached to gas circulation and control
22 inlet end of SOIL GAS way control switch of unit 2 processed, the carbon dioxide gas in air pass through rain cover 15 and the second condensate
Probe 17 enters air gas acquisition branch, specifically, being to enter air gas delivery pipe after filtering out the moisture in air
16 (its material is identical as soil gas delivery pipe), air gas delivery pipe 16 is connected to make-and-break control switch, specifically;Gas
23 inlet end of air gas way control switch with control unit 2 is recycled, is specially SOIL GAS way control switch, sky in the present embodiment
Gas gas way control switch is all made of solenoid valve realization;Soil gas circuit controls the outlet side of solenoid valve 22 and air gas circuit controls electromagnetism
The outlet side of valve 23 is respectively connected to the inlet end of threeway 24.
The sample gas inlet end of the outlet side connection gas concentration online detection unit 3 of threeway 24, enters gas concentration and exists
Carbon dioxide concentration measurement is carried out after line monitoring unit 3, the gas after detection by exhaust emissions end enter gas circulation with
25 inlet end of circulating pump of control unit 2, circulating pump 25 are the power source of entire gas circulation movement, and the gas after detection is logical
Cross 25 outlet side of circulating pump tail gas discharging pipe 26 (its material is identical as soil gas delivery pipe) be discharged at a distance it is glitch-free
In air;Each section of gas circulation and control unit 2 realizes gas path on-off, switching by gas circuit control panel 21.
Wherein, the gas circuit control panel 21 is the execution that central control unit 5 controls gas circuit switching and break-make by serial ports
End, is mainly made of microcontroller, driving circuit and relay, because microcontroller can receive the control from central control unit
Signal processed, control signal are that two-stage system code (in order to expand, devises the gas circuit control version in eight channels, that is, may be implemented more
The control of a unit gas circuit), by the relay in the form control difference channel of coding, the low and high level of microcontroller is not enough to open
Moving electromagnetic valve increases driving current so increasing driving circuit, is able to driving relay, relay driving solenoid valve;
The gas concentration online detection unit 3 is the detection module of a carbon dioxide gas, mainly by red
The concentration of carbon dioxide in outer absorption spectrum detection gas sample.Because infrared spectrum has in carbon dioxide gas transmission process
There are certain absorbability, spectral line comparatively to concentrate, intensity is directly proportional to gas concentration, so concentration can be realized by this method
Detection, detection unit include microcontroller, gas passage, detection cell etc., the gas concentration online detection unit 3 have air inlet and
Gas outlet.
The tablet computer 51 that gas circuit control panel 21 is connected to central control unit 5 by serial ports realizes data communication;Soil
Temperature and moisture content pass through the soil temperature sensor 42 of environmental parameter collecting unit 4 and soil moisture content sensor 43 respectively
It is acquired, and is transferred data on the environmental Kuznets Curves plate 41 of environmental parameter collecting unit 4 by cable, rainfall, Air Temperature
Degree, air humidity, air pressure, wind speed and direction pass through the rain gage bucket 44 of environmental parameter collecting unit 4, air temperature sensor respectively
45, air humidity sensor 46, baroceptor 47, anemovane 48 are acquired, and obtained data are passed through electricity
Cable is transmitted on the environmental Kuznets Curves plate 41 of environmental parameter collecting unit 4.
Environmental Kuznets Curves plate 41 realizes that data communicate by serial ports with the tablet computer 51 of central control unit 5, tablet computer
51 complete the reception and preservation of data, and tablet computer can be completed control and be referred to by USB connections keyboard 52 and industrial liquid crystal display 53
Human-computer interaction is realized in the input of order and the display of data.
The wireless transmitter module 61 that the tablet computer 51 of central control unit 5 passes through serial ports and wireless data transmission unit 6
Connection, wireless signal enter 4G/3G/GPRS nets by antenna 62 and realize that data communicate;Solar powered unit 7 is whole system
Electric power support is provided, the solar panel 72 of solar powered unit 7 converts light energy into electric energy and by charging and discharging control
In the storage to accumulator 73 of device 71 processed, charging-discharging controller 71 is responsible for providing electric power to whole system.
In the particular embodiment, gas circuit control panel 21, the control instruction for receiving central control unit 5, passes through electricity
Magnet valve controls the opening and closing of soil gas acquisition branch, the break-make of air gas acquisition branch and circulating pump 25;
Gas concentration online detection unit 3 acquires the gas of branch for receiving soil gas acquisition branch or air gas
Body, and Concentration Testing is carried out, obtain gas concentration testing result;
Central control unit 5 sends out control instruction according to the timing requirements of setting to gas circuit control panel 21, specifically, central
Control unit 5 opens air gas acquisition branch successively according to the break-make frequency of setting, and partition air gas acquires branch, opens
Logical soil gas acquires branch, and partition soil gas acquires branch;
The central control unit 5 sends 25 switching control instruction of circulating pump to gas circuit control panel 21, is pumped with control loop
25 opening and closing;
Environmental parameter collector includes soil temperature sensor 42, soil moisture content sensor 43, rain gage bucket 44, Air Temperature
Spend sensor 45, air humidity sensor 46, baroceptor 47, anemovane 48 etc.;
The central control unit 5 sends the instruction of environmental parameter acquisition control to the environmental Kuznets Curves plate 41, with control ring
The sampling time of border parameter acquisition unit and frequency;It is opened when soil gas acquires any branch in branch and air gas acquisition branch
It is logical, and when the unlatching of circulating pump 25, environmental parameter collector starts to sample, and obtains environmental parameter sampled result.
The central control unit 5 receives the gas concentration testing result of gas concentration online detection unit 3, meanwhile, institute
State the environmental parameter collection result that central control unit 5 receives environment parameter acquisition unit, gas concentration testing result and environment ginseng
Number collection result Real time displaying, central control unit 5 can detect gas concentration in the tablet computer of central control unit 5
As a result it is handled according to the time sequencing packing of acquisition with environmental parameter collection result, will finally be packaged that treated that result is remotely sent out
Give Data Control Center.
Wherein, environmental Kuznets Curves plate 41 is made of microcontroller, analog-to-digital conversion, signal condition amplifying circuit, and wherein rainfall is skill
Art pulse, wind speed and direction and air themperature, air humidity, air pressure etc. are all analog signals, so environmental Kuznets Curves plate is mainly complete
At the conversion and acquisition of data, the acquisition of environmental Kuznets Curves plate is sended over by central control unit by serial ports, environment control
Making sheet controls each sensor progress data acquisition after receiving order, and returns data to central control unit;
The Data Control Center is the assembly of hardware server and software, and need outer net IP has fixed port
Reception number as data, the software program run on server are locally stored to receive data from IP and port numbers
To database, while displaying data in real-time and curve is drawn, while short message warning can be set according to threshold value of warning.
It should be noted that in the gas sampling unit of a soil and air, soil gas collector and air gas
Collector each may include two or more (1 exemplarily only being depicted in figure to acquire the gas at different location
It is a);Environmental parameter collecting unit can acquire the soil moisture, soil moisture content, air themperature, air humidity, air pressure, rainfall,
The environmental parameters such as wind speed and direction, and each parameter is according to default fixed sample interval, the variation of on-line measurement environmental parameter.The sampling
Interval and air gas acquisition branch, the break-make sequential of soil gas acquisition branch, frequency can be controlled by tester by center
Unit or Data Control Center remote control processed.
Embodiment 2
In the embodiment of the present invention, a kind of density of carbon dioxide gas online auto monitoring method is provided.As shown in Figure 2
For the flow diagram of the method, the described method comprises the following steps:
Soil gas collector and soil temperature sensor, soil moisture content sensor are set in the soil;It is supervised in earth's surface
Survey setting air gas collector and sensor, rain gage bucket, air temperature sensor, air humidity sensor, air pressure on holder
Sensor and anemovane;
Central control unit sends out SECO instruction and circulating pump switching control instruction to gas circuit control panel, sends out environment
Parameter acquisition control instruction is to environmental Kuznets Curves plate;
Chronologically alternately control soil gas acquisition branch or air gas acquire branch to control instruction to gas circuit control panel
Break-make;
Gas circuit control panel presses the circulating pump switching control instruction, and gas concentration online detection unit tail gas row is opened in control
Put the circulating pump at end;
Gas concentration online detection unit alternately receives the gas of soil gas acquisition branch or air gas acquisition branch,
Concentration Testing is carried out, gas concentration testing result is obtained;
Environmental parameter collector according to environmental parameter acquisition control instruct in sample frequency and the time sampled;
Central control unit receives the gas concentration testing result of gas concentration online detection unit, meanwhile, the center
Control unit receives the environmental parameter collection result of environment parameter acquisition unit, and gas concentration testing result and environmental parameter are adopted
Collect result to handle according to the time sequencing packing of acquisition;Finally, it will be packaged that treated that result is remotely sent in data control
The heart.
Sampling terminates, and central control unit sends out pass control instruction to gas circuit control panel and environment collection plate, and closing is respectively adopted
Collect branch, finally closes the circulating pump at gas concentration online detection unit exhaust emissions end.
It, can be in conclusion the present invention provides a kind of density of carbon dioxide gas online auto monitoring system and method
To the gas concentration lwevel online auto monitoring of air and soil two-phase medium, at the same consider the soil moisture, soil moisture content,
The influence of the various environmental parameters such as air themperature, air humidity, air pressure, rainfall, wind speed and direction, meanwhile, it is two to measure sampling point
More than a;Air may be implemented and carbon dioxide gas in soil and the soil moisture, soil moisture content, air themperature, air are wet
The detection of the various environmental parameters such as degree, air pressure, rainfall, wind speed and direction, accurate judgement deep focus gas concentration lwevel and environmental parameter,
It solves carbon dioxide geological storage engineering site air and the scientific, with a low credibility of soil carbon dioxide concentration monitor is asked
Topic.
It should be noted that between above-described embodiment, same or similar place can be used for reference mutually.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of density of carbon dioxide gas online auto monitoring system, which is characterized in that including:
At least one soil gas collector, for acquiring the gas in soil,
At least one air gas collector, for acquiring the gas in air,
Gas circuit control panel, the control instruction for receiving central control unit, control soil gas acquisition branch and air gas
Acquire the break-make of branch;
Central control unit sends out control instruction to gas circuit control panel for the timing requirements according to setting, receives gas concentration
Testing result;
Gas concentration online detection unit acquires the gas of branch for receiving soil gas acquisition branch or air gas, and
Concentration Testing is carried out, gas concentration testing result is obtained.
2. system according to claim 1, which is characterized in that the central control unit is according to the timing requirements of setting to gas
Road control panel sends out control instruction, including:Central control unit opens air gas acquisition successively according to the break-make frequency of setting
Branch, partition air gas acquisition branch open soil gas acquisition branch, partition soil gas acquisition branch.
3. system according to claim 2, which is characterized in that further include circulating pump, the circulating pump is arranged in the gas
The exhaust emissions end of concentration online detection unit;The central control unit sends circulating pump switching control instruction and is controlled to gas circuit
Plate, so as to the opening and closing of control loop pump.
4. system according to claim 3, which is characterized in that further include environment parameter control unit, the environmental parameter control
Unit processed, including environmental parameter collector and environmental Kuznets Curves plate;
The environmental parameter collector includes soil temperature sensor, soil moisture content sensor, rain gage bucket, air themperature sensing
Device, air humidity sensor, baroceptor, anemovane;The soil temperature sensor, soil moisture content sensor,
Rain gage bucket, air temperature sensor, air humidity sensor, baroceptor, anemovane are respectively used to acquisition soil temperature
Degree, soil moisture content, rainfall, air themperature, air humidity, air pressure, wind speed and direction, and the environmental parameter of acquisition is acquired and is tied
Fruit is sent to the environmental Kuznets Curves plate.
5. system according to claim 4, which is characterized in that the central control unit sends ring to the environmental Kuznets Curves plate
Border parameter acquisition control instruction, to control sampling time and the frequency of environment parameter acquisition unit;When soil gas acquisition branch and
Any branch is open-minded in air gas acquisition branch, and when circulating pump unlatching, environmental parameter collector starts to sample, and obtains ring
Border parameter acquisition result.
6. system according to claim 1, which is characterized in that the soil gas collector include gas collection cylindrical fireworks, foam plugs,
First condensate is popped one's head in;
The gas collection cylindrical fireworks are embedded with soil, and bottom opening, the first condensate probe are set in the gas collection cylindrical fireworks
Side roof part, and be connected with soil gas acquisition branch;The foam plugs are placed at the bottom opening of gas collection cylindrical fireworks;Institute
It states foam plugs and is used for dry gas for particulate matter remnants, the first condensate probe to be isolated;
The air gas collector setting is monitored with earth's surface on holder comprising rain cover and the second condensate probe;Described
Two condensates are popped one's head in be connected with air gas acquisition branch, and inside the rain cover;
The rain cover acquires branch for preventing rainwater from entering air gas, and the second condensate probe is used for dry gas.
7. system according to claim 5, which is characterized in that the central control unit receives gas concentration on-line checking list
The gas concentration testing result of member, meanwhile, the central control unit receives the environmental parameter acquisition knot of environment parameter acquisition unit
Fruit, and gas concentration testing result and environmental parameter collection result are handled according to the time sequencing packing of acquisition.
8. a kind of density of carbon dioxide gas online auto monitoring method, which is characterized in that include the following steps:
Soil gas collector and soil temperature sensor, soil moisture content sensor are set in the soil;Branch is monitored in earth's surface
Air gas collector and sensor, rain gage bucket, air temperature sensor, air humidity sensor, air pressure sensing are set on frame
Device and anemovane;
Central control unit sends out SECO instruction and circulating pump switching control instruction to gas circuit control panel, sends out environmental parameter
Acquisition control is instructed to environmental Kuznets Curves plate;
Chronologically alternately control soil gas acquires branch to control instruction to gas circuit control panel or air gas acquires the break-make of branch;
Gas circuit control panel presses the circulating pump switching control instruction, and gas concentration online detection unit exhaust emissions end is opened in control
Circulating pump;
Gas concentration online detection unit alternately receives the gas of soil gas acquisition branch or air gas acquisition branch, carries out
Concentration Testing obtains gas concentration testing result;
Environmental parameter collector according to environmental parameter acquisition control instruct in sample frequency and the time sampled, obtain environment
Parameter acquisition result.
9. method according to claim 8, which is characterized in that the central control unit receives gas concentration on-line checking list
The gas concentration testing result of member, meanwhile, the central control unit receives the environmental parameter acquisition knot of environment parameter acquisition unit
Fruit, and gas concentration testing result and environmental parameter collection result are handled according to the time sequencing packing of acquisition.
10. method according to claim 9, which is characterized in that further include:Central control unit will be packaged treated result
Remotely it is sent to Data Control Center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553538.3A CN108693316B (en) | 2018-05-31 | 2018-05-31 | Online automatic monitoring system and method for carbon dioxide gas concentration |
Applications Claiming Priority (1)
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