CN106706487A - Remote full-flow calibration system for flue gas and ambient gas online monitoring equipment - Google Patents
Remote full-flow calibration system for flue gas and ambient gas online monitoring equipment Download PDFInfo
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- CN106706487A CN106706487A CN201611214974.5A CN201611214974A CN106706487A CN 106706487 A CN106706487 A CN 106706487A CN 201611214974 A CN201611214974 A CN 201611214974A CN 106706487 A CN106706487 A CN 106706487A
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- 239000007789 gas Substances 0.000 title claims abstract description 115
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000003546 flue gas Substances 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 title abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 83
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000003908 quality control method Methods 0.000 claims abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 25
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- -1 chimney Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 16
- 238000007781 pre-processing Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 239000003500 flue dust Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- 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
- G01N33/0006—Calibrating gas analysers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a remote full-flow calibration system for flue gas and ambient gas online monitoring equipment. The calibration system comprises a calibration device, a calibration pipeline, a measurement probe, a quality control instrument, a chimney, a sampling pipeline and gas monitoring equipment; the calibration device is communicated with the measurement probe by the calibration pipeline; a wireless data transmission module is mounted in the calibration device; the measurement probe is mounted on the side wall of the chimney; the gas monitoring equipment comprises a preprocessing module and an analyzer; the measurement probe is communicated with the preprocessing module by the sampling pipeline; the preprocessing module is electrically connected with the analyzer. By adopting the calibration system and method, accuracy of calibrating the analyzer can be effectively improved.
Description
Technical field
The present invention relates to gas monitor apparatus calibration field, more particularly to flue gas is remote with surrounding air on-line monitoring equipment
Journey whole process calibration system.
Background technology
With《New environmental law》Issuing and implementation, environment hosts department and pollutant discharging unit are to flue gas discharge continuous monitoring system
The authenticity of measurement data, accuracy are increasingly paid attention to, and the quality of data of flue gas discharge continuous monitoring system refer to one newly
Height, therefore how to improve measurement authenticity and accuracy, that reduces that device measuring error becomes is increasingly important.Current China ring
Guarantor department is to install automatic monitor for continuously equipment in discharge of pollutant sources enterprise chimney to the supervision method of blowdown enterprise
(Continuous Emission Monitoring System, CEMS), the titanium dioxide for monitoring enterprise's exhaust emission gas
The pollutants such as sulphur, nitrogen oxides, flue dust, while measuring the auxiliary such as flow velocity, flue-gas temperature, oxygen content of enterprise's exhaust emission gas
Measurement parameter.
After use after a while, the degree of accuracy drift, it is necessary to use marked gas pair to electronic measuring instrument can occur
CEMS equipment is calibrated.Gas is directly passed through analyzer and is calibrated by traditional calibration mode, without measuring probe, is adopted
The structures such as sample pipeline, pretreatment, such calibration mode is generated the problem that cannot judge measuring probe, sample lines, pre- place
Whether reason part has leakage, stopping state, so as to have impact on the calibration accuracy of analyzer so that detection essence of the analyzer to gas
Degree is reduced.
The content of the invention
The long-range whole process calibration system of equipment is monitored on-line it is an object of the invention to provide flue gas and surrounding air, improve
To the calibration accuracy of analyzer.
To achieve the above object, the invention provides following scheme：
Flue gas monitors the long-range whole process calibration system of equipment on-line with surrounding air, including：Caliberating device, demarcate pipeline,
Measuring probe, chimney, sample lines, gas monitor apparatus；
By the demarcation pipeline connection between the caliberating device and the measuring probe；
Wireless data transfer module is installed in the caliberating device；
The measuring probe is arranged on the side wall of the chimney；
The gas monitor apparatus include pretreatment module, analyzer；
The measuring probe is connected by the sample lines with the pretreatment module；
The pretreatment module is electrically connected with the analyzer.
Optionally, specifically include：
The external multiple difference marked gas tanks of the caliberating device；
Control mainboard is installed in the caliberating device.
Optionally, the marked gas tank, specifically includes：
The marked gas tank has 3, specially sulfur dioxide marked gas tank, nitric oxide marked gas tank, be higher than
The nitrogen marked gas tank of preset concentration.
Optionally, specifically include：Magnetic valve；
The magnetic valve is electrically connected with the control mainboard；
Magnetic valve is arranged on above the caliberating device, is connected with the marked gas tank for the demarcation pipeline.
Optionally, specifically include：Flow control valve, flow sensor, four-way connector；
The flow control valve is arranged on caliberating device outside；
The flow control valve is electrically connected with the flow sensor；
The flow sensor is connected with the four-way connector；
The four-way connector is changed for gas passage；Four paths of the four-way connector connect sulfur dioxide respectively
Marked gas tank, nitric oxide marked gas tank, the nitrogen marked gas tank higher than preset concentration and the demarcation pipeline.
Optionally, specifically include：
The caliberating device is connected with distance host respectively, and the gas content of content and discharge is demarcated for real time inspection
Information；Quality control system is installed on the distance host.
Optionally, specifically include：
Gas circuit switching valve is installed in the caliberating device；
One end of the gas circuit switching valve is connected with the sample lines；
The other end of the gas circuit switching valve is connected with the demarcation pipeline.
Optionally, specifically include：
The wireless data transfer module is communicated by wireless transmission method with each machinery equipment, for long-range control
System.
A kind of calibration method of gas monitor apparatus, it is long-range with surrounding air on-line monitoring equipment that methods described is used for flue gas
Whole process calibration system, including：Caliberating device, demarcation pipeline, measuring probe, chimney, sample lines, gas monitor apparatus；
By the demarcation pipeline connection between the caliberating device and the measuring probe；
Wireless data transfer module is installed in the caliberating device；
The measuring probe is arranged on the side wall of the chimney；
The gas monitor apparatus include pretreatment module, analyzer；
The measuring probe is connected by the sample lines with the pretreatment module；
The pretreatment module is electrically connected with the analyzer；
Methods described includes：
To the marked gas being filled with demarcation pipeline；
The marked gas concentration being filled with described in obtaining；
Obtain the marked gas concentration actually measured in the analyzer；
Whether the difference of marked gas concentration of marked gas concentration and the actual measurement is filled with described in judging in default model
In enclosing, the first judged result is obtained；
If first judged result is the marked gas concentration for being filled with marked gas concentration and the actual measurement
Difference within a preset range, it is determined that analyzer measurement is accurate；Otherwise the analyzer is calibrated.
According to the specific embodiment that the present invention is provided, the invention discloses following technique effect：The present invention is provided with individually
Demarcation pipeline, gas from single pipeline into measuring probe by sample lines and pretreatment enter back into analyzer, also can
It is enough that measuring probe, sample lines, preprocessing part are detected, leakage, stopping state are found in time, can really reflect
Go out the accuracy of equipment, so as to improve the calibration accuracy of analyzer.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the calibration system structure chart of the embodiment of the present invention；
Fig. 2 is the left sectional view in embodiment of the present invention caliberating device inside；
Fig. 3 is embodiment of the present invention calibration method flow chart.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The long-range whole process calibration system of equipment is monitored on-line it is an object of the invention to provide flue gas and surrounding air, improve
To the calibration accuracy of analyzer.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Fig. 1 is the calibration system structure chart of the embodiment of the present invention, as shown in figure 1, flue gas sets with surrounding air on-line monitoring
Standby long-range whole process calibration system, including：Caliberating device 101, demarcation pipeline 102, measuring probe 103, chimney 104, sampling pipe
Road 105, gas monitor apparatus 106；
Connected by the demarcation pipeline 102 between the caliberating device 101 and the measuring probe 103；
Wireless data transfer module is installed in the caliberating device 101；
The measuring probe 103 is arranged on the side wall of the chimney 104；
The gas monitor apparatus 106 include pretreatment module 1061, analyzer 1062；
The measuring probe 103 is connected by the sample lines 105 with the pretreatment module 1061；
The pretreatment module 1061 is electrically connected with the analyzer 1062；
The pretreatment module 1061 is used for treatment such as sample gas condensation, water removals.
In practical application, the external multiple difference marked gas tanks of the caliberating device 101；
Control mainboard is installed in the caliberating device 101.
The demarcation pipeline 102 and the whole process of the sample lines 105 can be carried out far using calibration system of the invention
Journey break-make is controlled, and realizes gas from the marked gas tank to the measuring probe 103 again to the full pipe of the analyzer 1062
Road sign is determined, and can effectively solve the problem that the sample lines 105 and the interference for being intended to processing module 1061 to monitoring project, improves
To the calibration accuracy of the analyzer 1062.
Current Environmental Protection in China department is to the supervision situation of blowdown enterprise, in discharge of pollutant sources enterprise floss hole (chimney) peace
Load continues automated monitor (referred to as " CEMS ").Sulfur dioxide, nitrogen oxides, cigarette for monitoring enterprise's exhaust emission gas
The pollutants such as dirt, while measuring the subsidiary parameters such as flow velocity, flue-gas temperature, the oxygen content of enterprise's exhaust emission gas.
CEMS is broadly divided into two parts, and monitoring host machine part (inside includes the pretreatment of sample gas, analytical instrument) and measurement are visited
(measuring probe totally 3, one is that sampling probe is responsible for extracting dusty gas, two is flue dust instrument probe, three is temperature, pressure for head point
Power, flow velocity probe).
Independent monitoring is small within doors on the ground for the installation of monitoring main frame, and measuring probe is arranged on chimney (at 30-60 meters) chimney
On build monitoring platform, be connected using sample lines.
Monitoring main frame uses internal pump, and sample gas to be measured is extracted from the sampling probe on chimney, first passes through
Sample lines finally enter analytical instrument and measure again by the pretreatment inside main frame.Analytical instrument is measured by analysis
After can draw the data such as sulfur dioxide, nitrogen oxides, oxygen content, the pollutant load for representing enterprise's discharge gas.
After use after a while, the degree of accuracy drift, it is necessary to use calibrating gas (mark to electronic measuring instrument can occur
Gas) CEMS equipment is calibrated (demarcation).Traditional calibration mode is small gas directly to be passed through into analyzer within doors monitoring
Calibrated, without sampling probe, sample lines, pretreatment.Such calibration mode generates the problem that and is only capable of judging
The accuracy of analyzer (analyzer is the part of CEMS systems), it is impossible to judge sampling probe, sample lines, pretreatment
Whether part has leakage, stopping state.
The long-range whole process quality control system of flue gas of the invention solves this problem in that Quality Control instrument uses single pipeline and chimney
Sampling probe is connected at platform.Quality Control instrument is small within doors installed in CEMS equipment, and gas is passed through by single pipeline during calibration
Over-sampling probe, sample lines, preprocessing part enter analyzer, referred to as whole process calibration, it can be found that sampling probe, sampling
Whether pipeline, preprocessing part have leakage, stopping state.The system can remotely be entered monitoring small manually operated within doors
Row operation, improves the accuracy of equipment simultaneously, and whether environmental administration can be assisted remotely to investigate and prosecute again has artificial disturbance to supervise automatically
The behavior of measurement equipment.
In practical application, the marked gas tank has 3, and specially sulfur dioxide marked gas tank, nitric oxide is demarcated
Gas tank, the nitrogen marked gas tank higher than preset concentration.
In practical application, the caliberating device 101 is specifically included：Magnetic valve；
The magnetic valve 206 is electrically connected with the control mainboard；
The magnetic valve 206 is arranged on above the caliberating device 101, for demarcation pipeline 102 and the demarcation
Gas tank is connected.
In practical application, the caliberating device 101 is specifically included：Flow control valve, the connection of flow sensor 203, four-way
Part 204；
The flow control valve is arranged on the outside of the caliberating device 101, the size for adjusting flow；
The flow control valve is electrically connected with the flow sensor 203；
The flow sensor 203 is connected with the four-way connector 204；
The four-way connector 204 is changed for gas passage；204 4 paths of the four-way connector connect two respectively
Sulfur oxide marked gas tank, nitric oxide marked gas tank, the nitrogen marked gas tank higher than preset concentration and the demarcation
Pipeline.
In practical application, the caliberating device 101 is connected (caliberating device is integrally connected with main frame) with distance host respectively,
The gas content information of content and discharge is demarcated for remote control, real time inspection.
In practical application, gas circuit switching valve is installed in the caliberating device 101；
One end of the gas circuit switching valve is connected with the sample lines；
The other end of the gas circuit switching valve is connected with the demarcation pipeline.
Fig. 2 is the left sectional view in embodiment of the present invention caliberating device inside, as shown in Fig. 2 the caliberating device 101 is specifically wrapped
Include：
LCDs 201 is used to show the current state of sulfur dioxide, nitric oxide, nitrogen and flow velocity；
Button 202 is used to realize operating function, can execute-in-place, it is also possible to which remote control, the button specifically includes electricity
Source base button, flow control valve button, air outlet slit button, air intlet button, gas exit button, demarcate sulfur dioxide
Air inlet, demarcation nitric oxide air inlet, demarcation nitrogen inlet；
Flow sensor 203 shows the status values of current gas flow；Circuit board 205 is used to refer to being acted under each part
Order is controlled；Magnetic valve 206 is used to control the break-make of gas pipeline；Fixed support 207 is used to fix the device.
In practical application, specifically include：
The wireless data transfer module is communicated by wireless transmission method with each machinery equipment, for long-range control
System.
In practical application, the measuring probe is specifically included：Sampling probe, flue dust probe, temperature, pressure and flow velocity one
Bodyization is popped one's head in；
The sampling probe, flue dust probe are arranged on cigarette with the temperature, flow velocity integrated probe into triangle disposition
On chimney；
The sampling probe is arranged on the position nearest apart from smoke stack emission mouthful, the flue dust probe and the temperature, pressure
Power and flow velocity integrated probe are arranged on sampling probe lower section into symmetrical structure.
The present invention using individually demarcate pipeline by gas by the measuring probe 103 through the sample lines 105 and
The pretreatment module 1061, finally enters the analyzer 1062 and is calibrated, and can complete full pipeline and demarcate；Also have simultaneously
There is remote calibration function, while improving the accuracy and authenticity of equipment, and greatly saved human cost.
For example：Gas is passed through the caliberating device 101 first, has magnetic valve to carry out break-make inside the caliberating device 101
Control, it is assumed that be passed through sulfur dioxide gas, opens gas pressure-reducing valve, opens sulfur dioxide magnetic valve on the caliberating device 101
Button, regulates gas flow and reaches stabilization, and the demarcation pipeline connected by the caliberating device 101 enters measuring probe 103
Institute is finally entered by the sample lines 105 of the connection pretreatment module 1061, again through the pretreatment module 1061
Stating analyzer 1062 carries out degree of accuracy calibration.
Present invention additionally comprises a kind of calibration method of gas monitor apparatus, Fig. 3 is embodiment of the present invention calibration method flow
Figure, as shown in figure 3, the method includes：
Step 301：To the marked gas being filled with demarcation pipeline；
Step 302：The marked gas concentration being filled with described in obtaining；
Step 303：Obtain the marked gas concentration actually measured in the analyzer；
Step 304：Whether judge the difference for being filled with marked gas concentration and the actual marked gas concentration for measuring
Within a preset range, if so, performing step 305；Otherwise perform step 306；
Step 305：Determine that analyzer measurement is accurate；
Step 306：The analyzer is calibrated.
Calibration gas are passed through these paths of sampling probe, sample lines, pretreatment module and are able to know that these parts have
Phenomenon without stifled leakage.Gas is passed through analyzer, if analyzer analysis measurement gas concentration value out and the mark being passed through
Gas concentration value is almost accurate, is otherwise exactly inaccurate, it is necessary to calibrate.
For example：Analyzer is calibrated with the sulfur dioxide of 100 milligrams/cube, and that is just this gas by demarcating pipeline, visiting
The parts such as head, pretreatment finally enter analyzer, if analyzer measure by analysis the result that draws close to 100 milligrams/it is vertical
That avoids the need for calibration for side, if deviation will be calibrated greatly very much.
Traditional calibration is that gas is passed through analyzer, cannot so judge probe, pipeline, pretreatment either with or without it is stifled,
The phenomenon of leakage, whole process calibration by gas by with upper-part finally enter analyzer calibrate, can so be seen that there is block up,
Leakage can find out that analyzer is accurate inaccurate again.
Accurate calibration can be carried out to whole monitoring flow using calibration method of the invention, generation can be accurately analyzed
Where problem when calibrating inaccurate, so as to further increase the calibration accuracy of the analyzer.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art, foundation
Thought of the invention, will change in specific embodiments and applications.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (9)
1. flue gas monitors the long-range whole process calibration system of equipment on-line with surrounding air, it is characterised in that including：Caliberating device,
Demarcate pipeline, measuring probe, chimney, sample lines, gas monitor apparatus；
By the demarcation pipeline connection between the caliberating device and the measuring probe；
Wireless data transfer module is installed in the caliberating device；
The measuring probe is arranged on the side wall of the chimney；
The gas monitor apparatus include pretreatment module, analyzer；
The measuring probe is connected by the sample lines with the pretreatment module；
The pretreatment module is electrically connected with the analyzer.
2. calibration system according to claim 1, it is characterised in that
The external multiple difference marked gas tanks of the caliberating device；
Control mainboard is installed in the caliberating device.
3. calibration system according to claim 2, it is characterised in that the marked gas tank, specifically includes：
The marked gas tank has 3, specially sulfur dioxide marked gas tank, nitric oxide marked gas tank, higher than default
The nitrogen marked gas tank of concentration.
4. calibration system according to claim 3, it is characterised in that the caliberating device, specifically includes：Magnetic valve；
The magnetic valve is electrically connected with the control mainboard；
Magnetic valve is arranged on above the caliberating device, is connected with the marked gas tank for the demarcation pipeline.
5. calibration system according to claim 3, it is characterised in that the caliberating device, specifically includes：Flow-rate adjustment
Valve, flow sensor, four-way connector；
The flow control valve is arranged on caliberating device outside；
The flow control valve is electrically connected with the flow sensor；
The flow sensor is connected with the four-way connector；
The four-way connector is changed for gas passage；Four paths of the four-way connector connect sulfur dioxide demarcation respectively
Gas tank, nitric oxide marked gas tank, the nitrogen marked gas tank higher than preset concentration and the demarcation pipeline.
6. calibration system according to claim 2, it is characterised in that the caliberating device is connected with distance host respectively,
The gas content information of content and discharge is demarcated for real time inspection；Quality control system is installed on the distance host.
7. calibration system according to claim 2, it is characterised in that gas circuit switching valve is provided with the caliberating device；
One end of the gas circuit switching valve is connected with the sample lines；
The other end of the gas circuit switching valve is connected with the demarcation pipeline.
8. calibration system according to claim 1, it is characterised in that the wireless data transfer module is by being wirelessly transferred
Mode is communicated with each machinery equipment, for remote control.
9. a kind of calibration method of gas monitor apparatus, it is characterised in that methods described is supervised online for flue gas with surrounding air
The long-range whole process calibration system of measurement equipment, including：Caliberating device, demarcation pipeline, measuring probe, chimney, sample lines, gas prison
Measurement equipment；
By the demarcation pipeline connection between the caliberating device and the measuring probe；
Wireless data transfer module is installed in the caliberating device；
The measuring probe is arranged on the side wall of the chimney；
The gas monitor apparatus include pretreatment module, analyzer；
The measuring probe is connected by the sample lines with the pretreatment module；
The pretreatment module is electrically connected with the analyzer；
Methods described includes：
To the marked gas being filled with demarcation pipeline；
The marked gas concentration being filled with described in obtaining；
Obtain the marked gas concentration actually measured in the analyzer；
Whether the difference of marked gas concentration of marked gas concentration and the actual measurement is filled with described in judging within a preset range,
Obtain the first judged result；
If first judged result is the difference of the marked gas concentration for being filled with marked gas concentration and the actual measurement
Within a preset range, it is determined that analyzer measurement is accurate；Otherwise the analyzer is calibrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214974.5A CN106706487B (en) | 2016-12-26 | 2016-12-26 | Remote full-flow calibration system for flue gas and ambient air on-line monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214974.5A CN106706487B (en) | 2016-12-26 | 2016-12-26 | Remote full-flow calibration system for flue gas and ambient air on-line monitoring equipment |
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| CN106706487A true CN106706487A (en) | 2017-05-24 |
| CN106706487B CN106706487B (en) | 2023-08-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389865A (en) * | 2017-07-19 | 2017-11-24 | 苏州曼德克光电有限公司 | A kind of smoke dust in flue, smoke diffusing simulating device |
| CN107525890A (en) * | 2017-08-10 | 2017-12-29 | 安徽省碧水电子技术有限公司 | A kind of CEMS systems of secondary correction |
| CN107656014A (en) * | 2017-08-14 | 2018-02-02 | 武汉船用机械有限责任公司 | A kind of monitoring system and method for crude oil carrier oxygen content |
| CN108572240A (en) * | 2018-06-22 | 2018-09-25 | 佛山瀚兽环境科技服务有限公司 | Waste gas monitoring device with electrification energy storage function |
| CN110044967A (en) * | 2019-04-03 | 2019-07-23 | 天津市基理科技股份有限公司 | Air quality detector and online calibration method |
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| CN111289697A (en) * | 2020-03-24 | 2020-06-16 | 山东达斯特信息技术有限公司 | CEMS running state monitoring and data false identification method and system |
| CN113030403A (en) * | 2021-05-28 | 2021-06-25 | 北京万维盈创科技发展有限公司 | Whole-course calibration type remote quality control device and method |
| CN113588883A (en) * | 2021-08-02 | 2021-11-02 | 中科三清科技有限公司 | Ambient air quality monitoring device for automatic calibration |
| CN114594217A (en) * | 2022-03-30 | 2022-06-07 | 南京分析仪器厂有限公司 | Calibration method of chemical waste gas monitoring system |
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| CN116165352A (en) * | 2023-04-23 | 2023-05-26 | 河北华清环境科技集团股份有限公司 | Quality control system of flue gas on-line monitor |
| CN116429652A (en) * | 2023-06-08 | 2023-07-14 | 河北赛默森环保科技有限公司 | Pollution source flue gas automatic calibration device |
| CN117250320A (en) * | 2023-11-15 | 2023-12-19 | 珠海科创储能科技有限公司 | Gas sensor calibration method and device, storage medium and electronic equipment |
| CN117402725A (en) * | 2023-10-17 | 2024-01-16 | 中国人民解放军海军特色医学中心 | An automatic control system for high-pressure cell culture chambers |
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| CN110554145A (en) * | 2019-09-03 | 2019-12-10 | 北京雪迪龙科技股份有限公司 | device and method for remotely detecting and calibrating automatic flue gas monitoring system |
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| CN114594217A (en) * | 2022-03-30 | 2022-06-07 | 南京分析仪器厂有限公司 | Calibration method of chemical waste gas monitoring system |
| CN115754169A (en) * | 2022-12-05 | 2023-03-07 | 珠海创安电子科技有限公司 | Hazardous gas calibration method, device, electronic equipment and medium |
| CN116026991A (en) * | 2023-01-10 | 2023-04-28 | 苏州西热节能环保技术有限公司 | Carbon dioxide monitoring system and method |
| CN116165352A (en) * | 2023-04-23 | 2023-05-26 | 河北华清环境科技集团股份有限公司 | Quality control system of flue gas on-line monitor |
| CN116429652A (en) * | 2023-06-08 | 2023-07-14 | 河北赛默森环保科技有限公司 | Pollution source flue gas automatic calibration device |
| CN117402725A (en) * | 2023-10-17 | 2024-01-16 | 中国人民解放军海军特色医学中心 | An automatic control system for high-pressure cell culture chambers |
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| CN117250320A (en) * | 2023-11-15 | 2023-12-19 | 珠海科创储能科技有限公司 | Gas sensor calibration method and device, storage medium and electronic equipment |
| CN119413260A (en) * | 2024-12-25 | 2025-02-11 | 中国计量科学研究院 | A fixed pollution source flow in-situ calibration device and calibration method |
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