CN106501202A - A kind of transmission method of normal concentration ozone - Google Patents
A kind of transmission method of normal concentration ozone Download PDFInfo
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- CN106501202A CN106501202A CN201610870674.6A CN201610870674A CN106501202A CN 106501202 A CN106501202 A CN 106501202A CN 201610870674 A CN201610870674 A CN 201610870674A CN 106501202 A CN106501202 A CN 106501202A
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- ozone
- concentration
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- ppb
- prover
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 162
- 230000005540 biological transmission Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000002950 deficient Effects 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 claims abstract description 5
- 238000012790 confirmation Methods 0.000 claims abstract description 3
- 230000032683 aging Effects 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 230000005284 excitation Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 17
- 238000004458 analytical method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000005436 troposphere Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a kind of transmission method of normal concentration ozone, ozone prover that the transmission method was calibrated using SRP countries ozone standard calibration instrument, ozone analyzer, dynamic calibration instrument, including：A, confirmation ozone prover were calibrated using SRP countries ozone standard calibration instrument, and before the deadline；B, ozone prover Transfer Standards concentration of ozone are to ozone analyzer；C, the anti-calibration for carrying out dynamic calibration instrument using the ozone analyzer for having transmitted；Checked after D, anti-school, general the proceeding by for second day after calibration of check will typically carry out 2 checks, and dynamic calibration instrument is ventilated to ozone analyzer, continuous observation 1～2 hour under an ozone concentration, and fluctuation of concentration is non-defective unit in allowed band.E, under same concentration, compare ozone concentration when ozone prover and dynamic calibration instrument are respectively connected to ozone analyzer, concentration difference is within 0.5% delivery value, illustrate transmission OK.Transmission is convenient, error is little.
Description
Technical field
A kind of the invention belongs to gas transport technology improvement areas, more particularly to transmission method of normal concentration ozone.
Background technology
Ozone in troposphere is commonly known as " deleterious ozone ", and it is the main component of photochemical fog.Human activity
Substantial amounts of NOX, VOCs has been discharged in air, and these pollutant will produce the ozone of high concentration under appropriate conditions.Mesh
Front many countries are monitored ozone concentration as the important indicator of photochemical pollution.Air quality on-line monitoring system
In ozone analyzer be exactly one of which online analytical instrument.
Ozone analyzer is relation analysis measuring instrument, must be calibrated with the gas of normal concentration before use, than
Such as the ozone gas of 400ppb, but as ozone stable is poor, oxygen can be decomposed into voluntarily at normal temperatures and pressures, so market
On there is no bottled ozone gas.This is accomplished by transmitting ozone normal concentration one by one, produces the ozone concentration of standard
（Such as 400ppb, 200ppb etc.）Calibration or test for use in ozone analyzer.Dynamic in air quality on-line monitoring system
State prover, comprising Ozone generator module, mainly for generation of certain density ozone, but ozone normal concentration needs the
Transmitting, such as SRP's tripartite, SRP trace to the source instrument as the ozone detection of NIST, are as calibrating the photometric work of ultraviolet standard
Tool.
Conventional is to carry out ozone demarcation using the third-party institution or third party's instrument to dynamic at present.This is for real
The volume production of existing dynamic calibration instrument is very unfavorable, and the key factor due to producing ozone concentration has three, and every dynamic calibration instrument is produced
Condition during raw same concentration may be inconsistent, so needing to find a kind of being convenient to operation and method that transmission error is little.
Content of the invention
It is an object of the invention to provide a kind of transmission method of normal concentration ozone, it is intended to solve above-mentioned technology and ask
Topic.
The present invention is achieved in that a kind of transmission method of normal concentration ozone,
The transmission method is needed using ozone prover, ozone analyzer, dynamic calibration instrument, it is characterised in that the transmission side
Method is comprised the following steps：
A, confirmation ozone prover were calibrated using SRP countries ozone standard calibration instrument, and were being calibrated in effect duration；
B, ozone prover Transfer Standards concentration of ozone are to ozone analyzer；
C, the anti-calibration for carrying out dynamic calibration instrument using the ozone analyzer for having transmitted；
Checked after D, anti-school, general the proceeding by for second day after calibration of check will typically carry out 2 checks.Dynamic
Prover is ventilated to ozone analyzer, continuous observation 1～2 hour under an ozone concentration, and fluctuation of concentration is in allowed band
For non-defective unit；Its allowed band is 0.5%；
E, under same concentration, compare ozone concentration when ozone prover and dynamic calibration instrument are respectively connected to ozone analyzer,
Within concentration difference is 0.5% delivery value, illustrate that transmission is normal.
The present invention further technical scheme be：
Comprise the following steps in step B：
Zero gas is provided to ozone analyzer using zero gas generating meanss, after ventilation is stable, school zero is carried out to ozone analyzer；Utilize
Ozone generator device provides 400ppb ozone to ozone analyzer, after ventilation is stable, carries out school to analyser full；Repeatedly several
Secondary, verify that intermediate concentration, measurement error are less than 1ppb, transmission is completed；Its intermediate concentration is 100ppb, 200ppb, 300ppb.
The present invention further technical scheme be：In step C provide ozone concentration be 50 ppb, 100 ppb,
200 ppb、300 ppb、400 ppb.
The present invention further technical scheme be：Verify in the step D centre ozone concentration be respectively 50 ppb,
100 ppb、200 ppb、300 ppb、400 ppb.
The present invention further technical scheme be：The gas outlet of dynamic calibration instrument is passed through connecting line in step E
The air inlet of connection ozone analyzer.
The present invention further technical scheme be：Comprise the following steps in step E：
A, the uviol lamp in dynamic calibration instrument is carried out aging；
B, aging after calibrated in dynamic calibration instrument, ozone concentration is counter；
Ozone concentration is checked after c, anti-calibration；
D, under same concentration, comparing ozone concentration when ozone prover is respectively connected to ozone analyzer with dynamic calibration instrument is
No difference is for, within 2ppb, transmission effect is normal in this way, if it is not, then transmission failure, carries out previous step inspection and air-tightness
Check.
The present invention further technical scheme be：In step a, uviol lamp heating-up temperature is 50 degree, excitation voltage
3000mV was to UV arc aging 2 hours.
The present invention further technical scheme be：Flow 5000cc/min in step b.
The invention has the beneficial effects as follows：Ozone normal concentration is transferred in the ozone generating-device of dynamic calibration instrument.?
Before every dynamic calibration instrument dispatches from the factory, it may be determined that the generation bar of the specific ozone normal concentration such as 50,100,200,300,400 ppb
Part, the calibration for use in on-site ozone analyser provide calibrating gas.Transmit easy to operate, error little.
Description of the drawings
Fig. 1 is the transmission method flow chart of normal concentration ozone provided in an embodiment of the present invention.
Specific embodiment
Fig. 1 shows the transmission method flow chart of the normal concentration ozone of present invention offer, and details are as follows for which：
The transmission method is needed using ozone prover, ozone analyzer, dynamic calibration instrument,
Step S1, confirms that ozone prover was calibrated using SRP countries ozone standard calibration instrument, and in calibration effect duration
Interior.
Step S2, ozone prover Transfer Standards concentration of ozone is to ozone analyzer；.
Step S3, the anti-calibration for carrying out dynamic calibration instrument using the ozone analyzer for having transmitted.
Step S4, is checked behind anti-school, general the proceeding by for second day after calibration of check, typically will be carried out 2 times
Check.Dynamic calibration instrument is ventilated to ozone analyzer, continuous observation 1～2 hour under an ozone concentration, and fluctuation of concentration is being permitted
Perhaps it is non-defective unit in the range of；Its allowed band is 0.5%.
Step S5, under same concentration, compares when ozone prover and dynamic calibration instrument are respectively connected to ozone analyzer
Ozone concentration, within concentration difference is 0.5% delivery value, illustrates that transmission is normal.
Dynamic calibration instrument：Instrument internal includes Ozone generator module and delicate flow meter module, is that air quality exists
It is used for the instrument that gas is provided in line monitoring system.
Comprise the following steps in step S2：
Zero gas is provided to ozone analyzer using zero gas generating meanss, after ventilation is stable, school zero is carried out to ozone analyzer；Utilize
Ozone generator device provides 400ppb ozone to ozone analyzer, after ventilation is stable, carries out school to analyser full；Repeatedly several
Secondary, verify that intermediate concentration, measurement error are less than 1ppb, transmission is completed；Its intermediate concentration is 100ppb, 200ppb, 300ppb.
The concentration for providing ozone in step S3 is 50 ppb, 100 ppb, 200 ppb, 300 ppb, 400 ppb.
Verify in the step S4 centre ozone concentration be respectively 50 ppb, 100 ppb, 200 ppb, 300 ppb,
400 ppb.
The gas outlet of dynamic calibration instrument is connected in the step S4 air inlet of ozone analyzer by connecting line.
Comprise the following steps in step S3：
A, the uviol lamp in dynamic calibration instrument is carried out aging；
B, aging after calibrated in dynamic calibration instrument, ozone concentration is counter；
Ozone concentration is checked after c, anti-calibration；
D, under same concentration, comparing ozone concentration when ozone prover is respectively connected to ozone analyzer with dynamic calibration instrument is
No difference is for, within 2ppb, transmission effect is normal in this way, if it is not, then transmission failure, carries out previous step inspection and air-tightness
Check.
In step a, uviol lamp heating-up temperature is 50 degree, and excitation voltage 3000mV was to UV arc aging 2 hours.
Flow 5000cc/min in step b.
Ozone analyzer：Instrument internal includes ozone analysis module, is analyzed measurement to the ozone concentration in sample gas.
Ozone prover：Instrument internal includes zero gas generating meanss, Ozone generator module and ozone analysis module, smelly
The ozone concentration that Oxygen Generator is produced enters analysis module measurement, and instrument adjusts generator module parameter according to measurement result, with
Reach the ozone for producing certain concentration.
Using the ozone prover calibration ozone analyzer that had been calibrated with SRP, using calibrated ozone analyzer,
The ozone for carrying out Transfer Standards concentration is given to dynamic, makes dynamic produce the ozone of series of standards concentration.The dynamic that has calibrated is used for
The ozone for providing normal concentration is calibrated to ozone analyzer.It is online that ozone analyzer after calibration can be used for air quality
Monitoring.
Wherein, the ozone prover that is calibrated using SRP, has effect duration one year.Ozone prover is used as dynamic analysis
The instrument of test demarcated with ozone analyzer by instrument before dispatching from the factory, not as the air quality on-line monitoring system equipment of outgoing.
Ozone prover transmits ozone normal concentration to ozone analyzer：Ozone analyzer is carried using zero gas generating meanss
For zero gas, after ventilation is stable, school zero is carried out to ozone analyzer；Ozone analyzer is provided using ozone generator device
400ppb ozone, after ventilation is stable, carries out school full to analyser；It is repeated several times, verifies intermediate concentration（100ppb、200ppb、
300ppb）, measurement error is less than 1ppb, and transmission completes.
The anti-calibration that dynamic calibration instrument is carried out using the ozone analyzer for having transmitted：
Connecting line：Dynamic gas outlet pipeline is connected to ozone analyzer air inlet.The concentration of dynamic ozone generator with ultraviolet
Light temperature, uviol lamp excitation voltage, reach ozonator zero throughput three relevant.
First uviol lamp is carried out aging.Open uviol lamp heater to heat up ultraviolet light temperature, until stable
To 50 DEG C, then the excitation voltage using 3000 mV is to UV arc aging 2h.
After 2.3 is aging, start calibrated counter to dynamic calibration instrument ozone concentration.Keep flow 5000cc/min constant,
Uviol lamp temperature 50 C is constant, arranges in instrument and set in menu/ozone concentration the corresponding voltage of related concentrations, and ventilation is stable
（Ventilation about 30min, stable standard are that concentration change is less than 0.2ppb in 10～20 minutes）, observe ozone analyzer dense
Degree, according to measured value and the discrepancy adjustment uviol lamp excitation voltage of aimed concn, until aimed concn corresponding to voltage.According to this,
Can determine the corresponding uviol lamp excitation voltages of 50,100,200,300,400 ppb.
Checked behind anti-school, general the proceeding by for second day after calibration of check will typically carry out 2 checks.Dynamic
State prover is ventilated to ozone analyzer, continuous observation 1～2 hour under an ozone concentration, and fluctuation of concentration is in allowed band
Interior（2ppb）For non-defective unit.
Under same concentration, the ozone compared when ozone prover is respectively connected to ozone analyzer with dynamic calibration instrument is dense
Degree, within concentration difference is 2ppb, illustrates transmission effect OK.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all in essence of the invention
Any modification, equivalent and improvement that is made within god and principle etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of transmission method of normal concentration ozone, the transmission method are needed using ozone prover, ozone analyzer, dynamic
Prover, it is characterised in that the transmission method is comprised the following steps：
A, confirmation ozone prover were calibrated using SRP countries ozone standard calibration instrument, and were being calibrated in effect duration；
B, ozone prover Transfer Standards concentration of ozone are to ozone analyzer；
C, the anti-calibration for carrying out dynamic calibration instrument using the ozone analyzer for having transmitted；
Checked after D, anti-school, general the proceeding by for second day after calibration of check will typically carry out 2 checks；Dynamic
Prover is ventilated to ozone analyzer, continuous observation 1～2 hour under an ozone concentration, and fluctuation of concentration is in allowed band
For non-defective unit；Its allowed band is 0.5%；
E, under same concentration, compare ozone concentration when ozone prover and dynamic calibration instrument are respectively connected to ozone analyzer,
Within concentration difference is 0.5% delivery value, illustrate that transmission is normal.
2. transmission method according to claim 1, it is characterised in that comprise the following steps in step B：
Zero gas is provided to ozone analyzer using zero gas generating meanss, after ventilation is stable, school zero is carried out to ozone analyzer；Utilize
Ozone generator device provides 400ppb ozone to ozone analyzer, after ventilation is stable, carries out school to analyser full；Repeatedly several
Secondary, verify that intermediate concentration, measurement error are less than 1ppb, transmission is completed；Its intermediate concentration is 100ppb, 200ppb, 300ppb.
3. transmission method according to claim 1, it is characterised in that the concentration for providing ozone in step C is 50
ppb、100 ppb、200 ppb、300 ppb、400 ppb.
4. transmission method according to claim 3, it is characterised in that verify the ozone concentration point of centre in step D
Wei not 50 ppb, 100 ppb, 200 ppb, 300 ppb, 400 ppb.
5. transmission method according to claim 4, it is characterised in that by the gas outlet of dynamic calibration instrument in step E
The air inlet that ozone analyzer is connected by connecting line.
6. transmission method according to claim 5, it is characterised in that comprise the following steps in step C：
A, the uviol lamp in dynamic calibration instrument is carried out aging；
B, aging after calibrated in dynamic calibration instrument, ozone concentration is counter；
Ozone concentration is checked after c, anti-calibration；
D, under same concentration, comparing ozone concentration when ozone prover is respectively connected to ozone analyzer with dynamic calibration instrument is
No difference is for, within 2ppb, transmission effect is normal in this way, if it is not, then transmission failure, carries out previous step inspection and air-tightness
Check.
7. transmission method according to claim 6, it is characterised in that uviol lamp heating-up temperature is 50 degree in step a,
Excitation voltage 3000mV was to UV arc aging 2 hours.
8. transmission method according to claim 7, it is characterised in that the flow 5000cc/min in step b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870674.6A CN106501202A (en) | 2016-09-30 | 2016-09-30 | A kind of transmission method of normal concentration ozone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870674.6A CN106501202A (en) | 2016-09-30 | 2016-09-30 | A kind of transmission method of normal concentration ozone |
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| Publication Number | Publication Date |
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| CN106501202A true CN106501202A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610870674.6A Pending CN106501202A (en) | 2016-09-30 | 2016-09-30 | A kind of transmission method of normal concentration ozone |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187867A (en) * | 2018-09-14 | 2019-01-11 | 武汉雷特科技有限公司 | A kind of surrounding air ozone amount value tracing method and system |
| CN109839963A (en) * | 2019-01-23 | 2019-06-04 | 北京雪迪龙科技股份有限公司 | A kind of ultraviolet irradiation formula ozone generator concentration control method |
| CN110501466A (en) * | 2019-09-18 | 2019-11-26 | 天津市生态环境监测中心 | A kind of ozone aperture test macro and method |
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| CN104155254A (en) * | 2014-07-03 | 2014-11-19 | 苏州宏瑞净化科技有限公司 | Ozone concentration analyzer |
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| CN202512104U (en) * | 2012-02-07 | 2012-10-31 | 深圳市赛宝伦计算机技术有限公司 | Dynamic gas calibration instrument |
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| CN104155254A (en) * | 2014-07-03 | 2014-11-19 | 苏州宏瑞净化科技有限公司 | Ozone concentration analyzer |
| CN104360692A (en) * | 2014-11-19 | 2015-02-18 | 武汉怡特环保科技有限公司 | Feedback control device of low-concentration standard ozonator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187867A (en) * | 2018-09-14 | 2019-01-11 | 武汉雷特科技有限公司 | A kind of surrounding air ozone amount value tracing method and system |
| CN109839963A (en) * | 2019-01-23 | 2019-06-04 | 北京雪迪龙科技股份有限公司 | A kind of ultraviolet irradiation formula ozone generator concentration control method |
| CN110501466A (en) * | 2019-09-18 | 2019-11-26 | 天津市生态环境监测中心 | A kind of ozone aperture test macro and method |
| CN110501466B (en) * | 2019-09-18 | 2022-04-29 | 天津市生态环境监测中心 | Ozone opening degree testing system and method |
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Application publication date: 20170315 |