CN107014962A - A kind of atmospheric monitoring system and its monitoring method - Google Patents
A kind of atmospheric monitoring system and its monitoring method Download PDFInfo
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- CN107014962A CN107014962A CN201710399610.7A CN201710399610A CN107014962A CN 107014962 A CN107014962 A CN 107014962A CN 201710399610 A CN201710399610 A CN 201710399610A CN 107014962 A CN107014962 A CN 107014962A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
- G01N33/0032—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
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Abstract
The invention discloses a kind of atmospheric monitoring system and its monitoring method, wherein, a kind of atmospheric monitoring system, including multiple air monitoring devices and for collecting the monitoring and controlling platform of each air monitoring device testing result, air monitoring device includes sample gas house steward, first detecting instrument, second detecting instrument, calibrate gas generating means, first sample exhaust switch valve, second sample exhaust switch valve, first calibration exhaust switch valve and the second calibration exhaust switch valve, sample gas house steward is connected with the first sample exhaust switch valve and the second sample exhaust switch valve respectively, first sample exhaust switch valve and the connection of the first detecting instrument, second sample exhaust switch valve is connected with the second detecting instrument.The present invention, which is not only prevented effectively from situation about being interfered during gas checking calibration, to be occurred, and pipeline can also be examined to whether there is leakage problem, the valid data acquisition rate of atmospheric monitoring system can be greatly improved, environment monitoring management department online monitoring data quality is then improved.
Description
Technical field
The present invention relates to a kind of environmental monitoring, and in particular to a kind of atmospheric monitoring system and its monitoring method.
Background technology
According to the relevant regulations of National Environmental air auto-monitoring station (hereinafter referred to as " air station ") operational management, air station
Need to inspect periodically/calibrate SO2、O3、NO2With CO analyzers.The Quality Control requirement carried out at this stage is：Zero is carried out daily across inspection
And calibration, check that the calibration frequency is high.Air station is divided into state's control point by construction department, saves control point, city's control point etc., and the whole nation is at present
Air station only state's control point position just has as many as 1436, and quantity is also increasing year by year, and generally existing gas analyzer inspection
Interfered during calibration and the problem of pipeline gas leakage, gas analyzer inspection is interfered when calibrating and pipeline gas leakage is asked
The degree of accuracy that topic results in monitoring result declines, it is also not possible to send someone to detect one by one, pipeline leakage problem causes in gas analysis
In the inspection calibration process of instrument, because calibration throughput is excessive, the leakage problem of sample lines is covered, technical staff can not lead to
Cross regular Quality Control task result and find this problem, so as to cause monitoring result to represent the true horizon of existing environment.
As can be seen here, in the daily O＆M of surrounding air detecting system, the inspection of gaseous analytes instrument high frequency time was calibrated
Journey, it will cause monitoring result to occur distortion phenomenon again and again, can then influence the judge and decision-making of Environmental protection management department.
The existing method for solving to interfere during ambient air monitoring system gas inspection calibration mainly have manual examination and verification,
Data acquisition software is marked and mixing gas binding number adopts the methods such as software tags.(1) manual examination and verification：Technical staff is according to a certain gas
Check calibration at the beginning of between and the end time, manually delete the SO of the period2、O3、NO2With CO Monitoring Datas.The inspection of high frequency time
Looking into calibration operation requires the manual examination and verification of high frequency time to work, and all clearly in the relevant laws and regulations of existing country's appearance
Asking does not allow to delete Monitoring Data without authorization.Therefore, the problem of interference should not being solved from this method.(2) gas binding number is mixed
Adopt software tags：Use SO2、NO2, CO mixing gas, can simultaneously to above-mentioned three kinds of gas analyzers carry out inspection calibration,
The method that binding number adopts software tags, it is possible to reduce calibration duration is checked, so as to improve valid data acquisition rate.Then,
Because mixing gas uncertainty is higher, national two grades of gases are commonly, the use requirement of existing air station is not met.To sum up institute
State, the problem of both the above method all fails fundamentally to solve to interfere when checking calibration.
The content of the invention
For technical problem present in prior art, the purpose of the present invention is：A kind of atmospheric monitoring system is provided.
Another object of the present invention is：A kind of air monitering method using above-mentioned atmospheric monitoring system is provided.
The purpose of the present invention is achieved through the following technical solutions：A kind of atmospheric monitoring system, including multiple air moniterings dress
Put and for collecting the monitoring and controlling platform of each air monitoring device testing result, it is total that air monitoring device includes sample gas
Pipe, the first detecting instrument, the second detecting instrument, calibration gas generating means, the first sample exhaust switch valve, the second sample air cock
Valve, the first calibration exhaust switch valve and the second calibration exhaust switch valve, sample gas house steward respectively with the first sample exhaust switch valve and the
Two sample exhaust switch valves are connected, the first sample exhaust switch valve and the connection of the first detecting instrument, the second sample exhaust switch valve and second
Detecting instrument is connected；
Calibration gas generating means are connected with the first calibration exhaust switch valve and the second calibration exhaust switch valve respectively, the first calibration gas
Switch valve is connected with the first detecting instrument, and the second calibration exhaust switch valve is connected with the second detecting instrument.
It is preferred that, air monitoring device also includes gas flowmeter, first row air valve and second row air valve, first exhaust
Valve air inlet is connected on the pipeline that the first calibration exhaust switch valve is connected with the first detecting instrument, the connection of second row air valve air inlet
Onto the second pipeline for being connected with the second detecting instrument of calibration exhaust switch valve, gas flowmeter air intake respectively with first row air valve
Gas outlet and the connection of second exhaust valve air gate.
It is preferred that, first detecting instrument is sulfur dioxide detector, ozone detector, Nitrogen dioxide testing device or one
Carbonoxide detector.
It is preferred that, when the first detecting instrument be sulfur dioxide detector when, second detecting instrument be ozone detector,
Nitrogen dioxide testing device or carbon monoxide detector；
When the first detecting instrument is ozone detector, second detecting instrument is sulfur dioxide detector, titanium dioxide
Nitrogen detector or carbon monoxide detector；
When the first detecting instrument is Nitrogen dioxide testing device, second detecting instrument is sulfur dioxide detector, smelly
Oxygen detector or carbon monoxide detector；
When the first detecting instrument is carbon monoxide detector, second detecting instrument is sulfur dioxide detector, smelly
Oxygen detector or Nitrogen dioxide testing device.
It is preferred that, air monitoring device also includes control system, and control system includes controller, for controlling first respectively
Sample exhaust switch valve and the controlling of sampling of the second sample exhaust switch valve opening and closing are switched and for controlling first to calibrate exhaust switch valve
The second calibration controlling switch for calibrating exhaust switch valve and the opening and closing of second row air valve, controller are opened and closed and controlled with first row air valve
It is connected respectively with controlling of sampling switch, calibration controlling switch, the first detecting instrument, the second detecting instrument and gas flowmeter,
Controller control controlling of sampling switch, the opening and closing of calibration controlling switch, calibration gas generating means, gas flowmeter, the first detection
The flow that instrument and the second detecting instrument are detected respectively is sent to controller, and controller is by will calibrate gas generating means
The calibration throughput of generation is contrasted with the flow that gas flowmeter and the first detecting instrument are detected or is generated calibration gas
The flow that the calibration throughput of device generation is detected with gas flowmeter and the second detecting instrument is contrasted, when calibration gas life
Into device generate calibration throughput be more than gas flowmeter and the first detecting instrument detect flow sum when or when calibrate
When the calibration throughput of gas generating means generation is more than the flow sum that gas flowmeter and the second detecting instrument are detected, control
Device is judged as gas leakage and to monitoring and controlling platform alert.
It is preferred that, control system also controls the first detecting instrument and the second detecting instrument when reaching the setting time, respectively
It is corrected.
A kind of method that air monitering is carried out using above-mentioned atmospheric monitoring system, is comprised the following steps：
When needing sample detecting, the first sample exhaust switch valve and the second sample exhaust switch valve are opened, first is closed and calibrates
Sample gas is separately input to the first detecting instrument and the second detection by exhaust switch valve and the second calibration exhaust switch valve, sample gas house steward
In instrument, the sample gas of the first detecting instrument and the second detecting instrument respectively to input is detected and is respectively filled air monitering
Put testing result and be sent to monitoring and controlling platform；
When needing to be calibrated, calibration gas generating means input calibration gas, during as needed the first detecting instrument to be calibrated,
Open first and calibrate exhaust switch valve, the first sample exhaust switch valve is closed, so that it is total to avoid the calibration gas being passed through from entering sample gas
Pipe；
When such as needing the second detecting instrument to be calibrated, open second and calibrate exhaust switch valve, close the second sample exhaust switch valve,
So as to avoid the calibration gas being passed through from entering sample gas house steward.
It is preferred that, including the step of leak detection gas, comprise the following steps：
When the first detecting instrument is corrected, the calibration throughput of gas flowmeter detection discharge, by calibration gas generation
The flow that the calibration throughput of device generation is detected with gas flowmeter and the first detecting instrument is contrasted, when calibration gas life
When being more than the flow sum that gas flowmeter and the first detecting instrument are detected into the calibration throughput that device is generated, the first detection
Instrument calibration blowby gas path, monitoring and controlling platform is sent to by the first detecting instrument calibration blowby gas path information；
When the second detecting instrument is corrected, the calibration throughput of gas flowmeter detection discharge, by calibration gas generation
The flow that the calibration throughput of device generation is detected with gas flowmeter and the second detecting instrument is contrasted, when calibration gas life
When being more than the flow sum that gas flowmeter and the second detecting instrument are detected into the calibration throughput that device is generated, the second detection
Instrument calibration blowby gas path, monitoring and controlling platform is sent to by the second detecting instrument calibration blowby gas path information；
Monitoring and controlling platform will detect the presence of the air monitoring device feedback of the information of gas leakage to monitoring personnel, monitoring personnel
Arrangement personnel are then corresponded to be repaired.
It is preferred that, when reaching setting time, controller controls the first detecting instrument and the second detecting instrument to be calibrated.
It is preferred that, the multiple air monitoring device is set throughout the country, and in sample detecting and calibration, control starts
Corresponding air monitoring device.
The present invention has the following advantages and effect relative to prior art：
1st, the present invention is not only prevented effectively from situation about being interfered during gas checking calibration and occurred, and can also examine
Pipeline is tested with the presence or absence of leakage problem, the valid data acquisition rate of atmospheric monitoring system can be greatly improved, ring is then improved
Border monitoring management department online monitoring data quality, advantage is more in the surrounding air on-line monitoring system that continuously runs of long-time
For protrusion, in addition, present invention equipment used, device are easy to purchase, process, install and use, therefore, the present invention, which can be easy to popularization, to be made
With and it is practical.
2nd, the present invention will not be produced negative when carrying out gas checking calibration with normal sample switching to on-line monitoring equipment
Influence, and avoid the problem of interfering and possess the function of examining pipeline gas leakage.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is schematic diagram when the first detecting instrument and the second detecting instrument of the present invention is in sample detecting.
Fig. 3 is that the first detecting instrument of the present invention carries out signal when calibration and the second detecting instrument are in sample detecting
Figure.
When Fig. 4 is the second detecting instrument sample detecting of the present invention, controller controls the second sample exhaust switch valve to open, the
Two calibration exhaust switch valves and the schematic diagram of second row air valve opening and closing.
When Fig. 5 is that the second detecting instrument of the invention is calibrated, controller controls the second sample exhaust switch valve to close, the
The schematic diagram that two calibration exhaust switch valves and second row air valve are opened.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment one：
A kind of atmospheric monitoring system, including multiple air monitoring devices and for collecting each air monitoring device detection knot
The monitoring and controlling platform of fruit, air monitoring device includes sample gas house steward 1, the first detecting instrument 2, the second detecting instrument 3, calibration
Gas generating means 4, the first sample exhaust switch valve 5, the second sample exhaust switch valve 6, first calibration exhaust switch valve 7 and second are calibrated
Exhaust switch valve 8, sample gas house steward is connected with the first sample exhaust switch valve and the second sample exhaust switch valve respectively, and the first sample gas is opened
Valve and the connection of the first detecting instrument are closed, the second sample exhaust switch valve is connected with the second detecting instrument；
Calibration gas generating means are connected with the first calibration exhaust switch valve and the second calibration exhaust switch valve respectively, the first calibration gas
Switch valve is connected with the first detecting instrument, and the second calibration exhaust switch valve is connected with the second detecting instrument.
It is preferred that, air monitoring device also includes gas flowmeter 9, first row air valve 10 and second row air valve 11, the
One air bleeding valve air inlet is connected on the pipeline that the first calibration exhaust switch valve is connected with the first detecting instrument, second row air valve air inlet
Mouthful it is connected on the pipeline that the second calibration exhaust switch valve is connected with the second detecting instrument, gas flowmeter air intake is respectively with first
It is vented valve air gate and the connection of second exhaust valve air gate.
It is preferred that, first detecting instrument is sulfur dioxide detector, ozone detector, Nitrogen dioxide testing device or one
Carbonoxide detector.
It is preferred that, second detecting instrument is other detectors in addition to the detector that the first detecting instrument is used, such as：
When the first detecting instrument is ozone detector, second detecting instrument is sulfur dioxide detector, Nitrogen dioxide testing device
Or carbon monoxide detector；
When the first detecting instrument is Nitrogen dioxide testing device, second detecting instrument is sulfur dioxide detector, smelly
Oxygen detector or carbon monoxide detector；
When the first detecting instrument is carbon monoxide detector, second detecting instrument is sulfur dioxide detector, smelly
Oxygen detector or Nitrogen dioxide testing device.
It is preferred that, air monitoring device also includes control system, and control system includes controller 12, for controlling the respectively
One sample exhaust switch valve and the controlling of sampling of the second sample exhaust switch valve opening and closing switch 13 and opened for controlling first to calibrate gas
Close valve and the opening and closing of first row air valve and the calibration controlling switch 14 of exhaust switch valve and the opening and closing of second row air valve calibrated in control second,
Controller switchs with controlling of sampling, calibrates controlling switch, the first detecting instrument, the second detecting instrument and gas flowmeter respectively
Connection, controller control controlling of sampling switch, the opening and closing of calibration controlling switch, calibration gas generating means, gas flowmeter, first
The flow that detecting instrument and the second detecting instrument are detected respectively is sent to controller, and controller is by the way that calibration gas is generated
The calibration throughput of device generation is contrasted with the flow that gas flowmeter and the first detecting instrument are detected or will calibrate gas
The flow that the calibration throughput of generating means generation is detected with gas flowmeter and the second detecting instrument is contrasted, and works as calibration
Gas generating means generation calibration throughput be more than gas flowmeter and the first detecting instrument detect flow sum when or ought
When the calibration throughput of calibration gas generating means generation is more than the flow sum that gas flowmeter and the second detecting instrument are detected,
Controller is judged as gas leakage and to monitoring and controlling platform alert.
The course of work and operation principle of the present invention：Multiple air monitoring devices are separately positioned on all parts of the country, work as needs
During sample detecting, for required detection site, corresponding air monitoring device is operated to open the first sample exhaust switch valve and the
Two sample exhaust switch valves, close first and calibrate exhaust switch valve and the second calibration exhaust switch valve, sample gas house steward distinguishes sample gas
It is input in the first detecting instrument and the second detecting instrument, the sample of the first detecting instrument and the second detecting instrument respectively to input
Gas is detected and air monitoring device testing result is sent into monitoring and controlling platform respectively；
When needing to be calibrated, for required detection site, the calibration gas life of corresponding air monitoring device is operated
Into device input calibration gas, during as needed the first detecting instrument to be calibrated, opening first and calibrating exhaust switch valve, closing the first sample
Exhaust switch valve, so as to avoid the calibration gas being passed through from entering sample gas house steward；
When such as needing the second detecting instrument to be calibrated, for required detection site, corresponding air monitoring device is operated
Open second and calibrate exhaust switch valve, the second sample exhaust switch valve is closed, so that it is total to avoid the calibration gas being passed through from entering sample gas
Pipe.
When above-mentioned first detecting instrument is corrected, the calibration throughput of gas flowmeter detection discharge will calibrate gas
The flow that the calibration throughput of generating means generation is detected with gas flowmeter and the first detecting instrument is contrasted, and works as calibration
When the calibration throughput of gas generating means generation is more than the flow sum that gas flowmeter and the first detecting instrument are detected, first
Detecting instrument calibrates blowby gas path, and the first detecting instrument calibration blowby gas path information is sent into monitoring and controlling platform；
When above-mentioned second detecting instrument is corrected, the calibration throughput of gas flowmeter detection discharge will calibrate gas
The flow that the calibration throughput of generating means generation is detected with gas flowmeter and the second detecting instrument is contrasted, and works as calibration
When the calibration throughput of gas generating means generation is more than the flow sum that gas flowmeter and the second detecting instrument are detected, second
Detecting instrument calibrates blowby gas path, and the second detecting instrument calibration blowby gas path information is sent into monitoring and controlling platform；
Monitoring and controlling platform will detect the presence of the air monitoring device feedback of the information of gas leakage to monitoring personnel, monitoring personnel
Arrangement personnel are then corresponded to be repaired.
Embodiment two：
The method that a kind of atmospheric monitoring system described in use embodiment one carries out air monitering, comprises the following steps：
When needing sample detecting, the first sample exhaust switch valve and the second sample exhaust switch valve are opened, first is closed and calibrates
Sample gas is separately input to the first detecting instrument and the second detection by exhaust switch valve and the second calibration exhaust switch valve, sample gas house steward
In instrument, the sample gas of the first detecting instrument and the second detecting instrument respectively to input is detected and is respectively filled air monitering
Put testing result and be sent to monitoring and controlling platform；
When needing to be calibrated, calibration gas generating means input calibration gas, during as needed the first detecting instrument to be calibrated,
Open first and calibrate exhaust switch valve, the first sample exhaust switch valve is closed, so that it is total to avoid the calibration gas being passed through from entering sample gas
Pipe；
When such as needing the second detecting instrument to be calibrated, open second and calibrate exhaust switch valve, close the second sample exhaust switch valve,
So as to avoid the calibration gas being passed through from entering sample gas house steward.
It is preferred that, in addition to the step of leak detection gas, comprise the following steps：
When the first detecting instrument is corrected, the calibration throughput of gas flowmeter detection discharge, by calibration gas generation
The flow that the calibration throughput of device generation is detected with gas flowmeter and the first detecting instrument is contrasted, when calibration gas life
When being more than the flow sum that gas flowmeter and the first detecting instrument are detected into the calibration throughput that device is generated, the first detection
Instrument calibration blowby gas path, monitoring and controlling platform is sent to by the first detecting instrument calibration blowby gas path information；
When the second detecting instrument is corrected, the calibration throughput of gas flowmeter detection discharge, by calibration gas generation
The flow that the calibration throughput of device generation is detected with gas flowmeter and the second detecting instrument is contrasted, when calibration gas life
When being more than the flow sum that gas flowmeter and the second detecting instrument are detected into the calibration throughput that device is generated, the second detection
Instrument calibration blowby gas path, monitoring and controlling platform is sent to by the second detecting instrument calibration blowby gas path information；
Monitoring and controlling platform will detect the presence of the air monitoring device feedback of the information of gas leakage to monitoring personnel, monitoring personnel
Arrangement personnel are then corresponded to be repaired.
It is preferred that, the multiple air monitoring device is set throughout the country, and in sample detecting and calibration, control starts
Corresponding air monitoring device.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of atmospheric monitoring system, it is characterised in that：Including multiple air monitoring devices and for collecting each air monitering
The monitoring and controlling platform of device testing result, air monitoring device includes sample gas house steward, the first detecting instrument, the second detector
Device, calibration gas generating means, the first sample exhaust switch valve, the second sample exhaust switch valve, the first calibration exhaust switch valve and second
Exhaust switch valve is calibrated, sample gas house steward is connected with the first sample exhaust switch valve and the second sample exhaust switch valve respectively, the first sample
Exhaust switch valve and the connection of the first detecting instrument, the second sample exhaust switch valve are connected with the second detecting instrument；
Calibration gas generating means are connected with the first calibration exhaust switch valve and the second calibration exhaust switch valve respectively, the first calibration air cock
Valve is connected with the first detecting instrument, and the second calibration exhaust switch valve is connected with the second detecting instrument.
2. atmospheric monitoring system according to claim 1, it is characterised in that：Air monitoring device also includes gas flow
Meter, first row air valve and second row air valve, first row air valve air inlet are connected to the first calibration exhaust switch valve and the first detection
On the pipeline of instrument connection, second row air valve air inlet is connected to the pipe that the second calibration exhaust switch valve is connected with the second detecting instrument
Lu Shang, gas flowmeter air intake is connected with first exhaust valve air gate and second exhaust valve air gate respectively.
3. atmospheric monitoring system according to claim 1, it is characterised in that：First detecting instrument is examined for sulfur dioxide
Survey device, ozone detector, Nitrogen dioxide testing device or carbon monoxide detector.
4. atmospheric monitoring system according to claim 3, it is characterised in that：When the first detecting instrument detects for sulfur dioxide
During device, second detecting instrument is ozone detector, Nitrogen dioxide testing device or carbon monoxide detector；
When the first detecting instrument is ozone detector, second detecting instrument is sulfur dioxide detector, nitrogen dioxide inspection
Survey device or carbon monoxide detector；
When the first detecting instrument is Nitrogen dioxide testing device, second detecting instrument is sulfur dioxide detector, ozone inspection
Survey device or carbon monoxide detector；
When the first detecting instrument is carbon monoxide detector, second detecting instrument is sulfur dioxide detector, ozone inspection
Survey device or Nitrogen dioxide testing device.
5. atmospheric monitoring system according to claim 2, it is characterised in that：Air monitoring device also includes control system,
Control system includes controller, the sampling control for controlling the first sample exhaust switch valve and the second sample exhaust switch valve to be opened and closed respectively
System switch and for control first calibrate exhaust switch valve and first row air valve opening and closing and control second calibrate exhaust switch valve and
The calibration controlling switch of second row air valve opening and closing, controller is switched with controlling of sampling respectively, calibration controlling switch, the first detector
Device, the second detecting instrument and gas flowmeter connection, controller control controlling of sampling switch, the opening and closing of calibration controlling switch,
The flow that calibration gas generating means, gas flowmeter, the first detecting instrument and the second detecting instrument are detected respectively is sent
To controller, controller is by will calibrate calibration throughput and gas flowmeter and the first detecting instrument that gas generating means are generated
The flow detected is contrasted or will calibrated the calibration throughput and gas flowmeter and the second detection of gas generating means generation
The flow that instrument is detected is contrasted, when the calibration throughput of calibration gas generating means generation is more than gas flowmeter and first
During the flow sum that detecting instrument is detected or when the calibration throughput of calibration gas generating means generation be more than gas flowmeter and
During the flow sum that the second detecting instrument is detected, controller is judged as gas leakage and to monitoring and controlling platform alert.
6. atmospheric monitoring system according to claim 5, it is characterised in that：Control system also control the first detecting instrument and
Second detecting instrument is corrected respectively when reaching the setting time.
7. a kind of usage right requires the method that any described atmospheric monitoring systems of 1-6 carry out air monitering, it is characterised in that
Comprise the following steps：
When needing sample detecting, the first sample exhaust switch valve and the second sample exhaust switch valve are opened, the first calibration gas is closed and opens
Valve and the second calibration exhaust switch valve are closed, sample gas is separately input to the first detecting instrument and the second detecting instrument by sample gas house steward
In, the sample gas of the first detecting instrument and the second detecting instrument respectively to input is detected and is respectively examined air monitoring device
Survey result and be sent to monitoring and controlling platform；
When needing to be calibrated, calibration gas generating means input calibration gas during as needed the first detecting instrument to be calibrated, is opened
First calibration exhaust switch valve, closes the first sample exhaust switch valve, so as to avoid the calibration gas being passed through from entering sample gas house steward；
When such as needing the second detecting instrument to be calibrated, open second and calibrate exhaust switch valve, close the second sample exhaust switch valve, so that
The calibration gas being passed through is avoided to enter sample gas house steward.
8. the method for air monitering according to claim 7, it is characterised in that：The step of including leak detection gas, including it is following
Step：
When the first detecting instrument is corrected, the calibration throughput of gas flowmeter detection discharge will calibrate gas generating means
The flow that the calibration throughput of generation is detected with gas flowmeter and the first detecting instrument is contrasted, when calibration gas generation dress
When the calibration throughput for putting generation is more than the flow sum that gas flowmeter and the first detecting instrument are detected, the first detecting instrument
Blowby gas path is calibrated, the first detecting instrument calibration blowby gas path information is sent to monitoring and controlling platform；
When the second detecting instrument is corrected, the calibration throughput of gas flowmeter detection discharge will calibrate gas generating means
The flow that the calibration throughput of generation is detected with gas flowmeter and the second detecting instrument is contrasted, when calibration gas generation dress
When the calibration throughput for putting generation is more than the flow sum that gas flowmeter and the second detecting instrument are detected, the second detecting instrument
Blowby gas path is calibrated, the second detecting instrument calibration blowby gas path information is sent to monitoring and controlling platform；
Monitoring and controlling platform will detect the presence of the air monitoring device feedback of the information of gas leakage to monitoring personnel, and monitoring personnel is then right
Personnel should be arranged to be repaired.
9. the method for air monitering according to claim 7, it is characterised in that：When reaching setting time, controller control
Make the first detecting instrument and the second detecting instrument is calibrated.
10. the method for air monitering according to claim 7, it is characterised in that：The multiple air monitoring device is set
Throughout the country, in sample detecting and calibration, control starts corresponding air monitoring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399610.7A CN107014962A (en) | 2017-05-31 | 2017-05-31 | A kind of atmospheric monitoring system and its monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399610.7A CN107014962A (en) | 2017-05-31 | 2017-05-31 | A kind of atmospheric monitoring system and its monitoring method |
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| Publication Number | Publication Date |
|---|---|
| CN107014962A true CN107014962A (en) | 2017-08-04 |
Family
ID=59451839
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710399610.7A Withdrawn CN107014962A (en) | 2017-05-31 | 2017-05-31 | A kind of atmospheric monitoring system and its monitoring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057980A (en) * | 2019-05-16 | 2019-07-26 | 广州长德环境研究院有限公司 | A kind of on-line gas analysis instrument state automatic monitoring device |
| CN112710781A (en) * | 2020-11-26 | 2021-04-27 | 中船重型装备有限公司 | Device and method for detecting gas in shield robot cabin |
-
2017
- 2017-05-31 CN CN201710399610.7A patent/CN107014962A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057980A (en) * | 2019-05-16 | 2019-07-26 | 广州长德环境研究院有限公司 | A kind of on-line gas analysis instrument state automatic monitoring device |
| CN112710781A (en) * | 2020-11-26 | 2021-04-27 | 中船重型装备有限公司 | Device and method for detecting gas in shield robot cabin |
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