CN202119710U - Exhaust gas emission monitoring probe device - Google Patents
Exhaust gas emission monitoring probe device Download PDFInfo
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- CN202119710U CN202119710U CN2011200294204U CN201120029420U CN202119710U CN 202119710 U CN202119710 U CN 202119710U CN 2011200294204 U CN2011200294204 U CN 2011200294204U CN 201120029420 U CN201120029420 U CN 201120029420U CN 202119710 U CN202119710 U CN 202119710U
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- air chamber
- probe
- exhaust gas
- emission monitoring
- probe device
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Abstract
An exhaust gas emission monitoring probe device is capable of simultaneously conducting real-time monitoring on concentration of gas pollutant of sulfur dioxide (SO2), nitric oxide (NO)/nitric dioxide (NO2) and the like, smoke dust content and parameters of flow speed, temperature, moisture, pressure, oxygen content of the exhaust gas and the like so as to obtain highly accurate and multifunctional monitoring on eight indexes of the exhaust gas with one probe. The technical scheme is that the exhaust gas emission monitoring probe device is composed of an air chamber (22) and a reflecting device (21). The reflecting device (21) is connected with the air chamber (22). A zirconium oxide probe (32), a pressure probe (33), a temperature and flow speed probe (34), an optical fiber, a purging pipeline (36), a ceramic filter plate (37) and a wire feeding pipeline (38) are arranged in the air chamber (22), and the air chamber is divided into two parts, namely a measuring air chamber and a reference air chamber through the ceramic filter plate (37).
Description
Technical field
The utility model belongs to fume emission monitoring probe device field, especially a kind of can be simultaneously to SO
2, NO/NO
2Monitor in real time Deng parameters such as the flow velocity of gaseous contamination substrate concentration, smoke content and flue gas, temperature, humidity, pressure, oxygen level, thereby realize the fume emission monitoring probe device of eight index high-accuracy multifunctionals of flue gas being monitored with a probe.
Background technology
Along with Increase of population and industrial expansion; China is being faced with very serious environmental pollution problem, and atmospheric pollution level is deepened day by day, and quality of air environment descends day by day; Human living and living environment have been constituted grave danger, and this is the significant problem that the whole world faces.The analytical instrument that development can be monitored the industrial discharge fume indication in real time is significant to improving existent environment of people.
The monitoring probe that is used for fume emission at present has extraction-type and online (directly measuring) two kinds.On-line system adopts up-to-date optical technology; On flue, carry out when not influencing the state of tested gas own directly measuring in real time, promptly exist or permeation filtration is removed under the condition of particle the directly system of measure gas concentrations at the composition that does not change flue gas and at particle.The extraction mode be about to gas from flue, extract carry out pre-service after, analyze and confirm its content again.The continuous flue gas monitoring technology has by extracting mensuration to direct method of measurement Development Trend, and the direct method of measurement has broad application prospects.Online gas continuous blow-down monitoring system is divided into point measurement system and line measuring system.The point monitor is called monitor in the flue, and the line monitor is called strides the flue monitor.Online probe is divided into open and closed two kinds.
The online gas CEMS of ultraviolet double-wavelength Difference Absorption (discharging continuous monitor system), its probe are for open, and light path is put online gas CEMS for two light paths, adopts ultraviolet difference to absorb (UV-DOAS) technical measurement SO
2, light source is a high pressure xenon lamp, launches visible, infrared and ultraviolet light.Light beam directly arrives catoptron through open probe through optically focused and is reflected, and arrives the quantification of intensities SO of detector measures ultraviolet light again through open probe
2Concentration.Apparatus measures SO
2Principle be the ultraviolet double-wavelength Difference Absorption; NO
xMeasuring principle is two ponds-double-deck zirconia thick film technology; The dust turbidity method; Flow velocity S type pitot tube method.
Existing up-to-date probe utilizes ultraviolet absorption spectroscopy can only measure a kind of gas SO
2Utilization is with a branch of photo measure flue dust and gas, and smoke content is subject to interference such as steam; Parameter measurement to fume emission is comprehensive inadequately.
The utility model content
The utility model purpose provide a kind of can be simultaneously to SO
2, NO/NO
2Monitor in real time Deng parameters such as the flow velocity of gaseous contamination substrate concentration, smoke content and flue gas, temperature, humidity, pressure, oxygen level, thereby realize the fume emission monitoring probe device of eight index high-accuracy multifunctionals of flue gas being monitored with a probe.
The technical scheme of the utility model is: fume emission monitoring probe device; It is characterized in that forming by air chamber (22) and reflex reflector (21); Reflex reflector (21) is connected with air chamber (22); In air chamber (22), be provided with zirconia probe (32), pressure probe (33), temperature flow velocity probe (34), optical fiber, scavenging pipeline (36), ceramic filter plate (37) and cabling pipeline (38), ceramic filter plate (37) is divided into air chamber and measures air chamber and reference air chamber two parts.
Be provided with the reflective prism in right angle (39) in the described reflex reflector (21).
The both sides of reflective prism (39) are provided with heating plate (31) at the right angle.
The effect of the utility model is: measuring accuracy is high; Different gas circuit reference measurement flue dust are eliminated moisture interference; Integrate eight measurement parameters, highly integrated.
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is Fig. 1 inner structure synoptic diagram;
Fig. 3 is the utility model optical texture block diagram;
Fig. 4 is the utility model light path synoptic diagram.
Embodiment
Among Fig. 1, fume emission monitoring probe device is made up of air chamber 22 and reflex reflector 21, and reflex reflector 21 is connected with air chamber 22, and the 23rd, mounting flange, the 24th, fixed support.In air chamber 22, be provided with zirconia probe 32, pressure probe 33, temperature flow velocity probe 34, optical fiber, scavenging pipeline 36, ceramic filter plate 37 and cabling pipeline 38, ceramic filter plate 37 is divided into air chamber and measures air chamber and reference air chamber two parts.Be provided with the reflective prism 39 in right angle in the reflex reflector 21.The both sides of reflective prism 39 are provided with heating plate 31 (referring to Fig. 2) at the right angle.
Fume emission monitoring probe device can be simultaneously to SO
2, NO/NO
2Deng the gaseous contamination substrate concentration, parameters such as the flow velocity of smoke content and flue gas, temperature, humidity, pressure, oxygen level are monitored in real time, realize with the multifunctional all device of a probe to eight index high precision monitors of flue gas.
SO
2, NO concentration measurement adopt ultraviolet difference absorption spectrum technology (UV-DOAS); Smoke content is measured and is adopted the laser light decay technique; Flow velocity is a heat balance method of; Single zirconia probe is measured oxygen content and humidity; Simultaneity factor detects the pressure and temperature of flue gas.
The total system light path adopts optical fiber to pass light, improves the efficiency of light energy utilization, makes things convenient for mechanical layout, and the total system design is ingenious, integrates protection cleaning measures such as multinomial measurement parameter and purging constant temperature, is implemented in directly accurately measuring under the hot and humid rugged surroundings.
Fig. 3 is the optical texture block diagram, and Fig. 4 is the light path synoptic diagram.Utilize xenon flash light source to measure SO2 and NO concentration, utilize laser instrument to measure smoke content.
SO2 and NO measure and adopt ultraviolet difference absorption spectrum technology, choose different wavelengths as measure spectrum and reference spectrum, calculate the concentration of tested gas according to lambert Bill (Lambert-Beer) law.Flue gas gets into probe interior lights drive test amount part through ceramic filter, eliminates the interference of flue dust to gasmetry.Its result does not receive the influence of light intensity, flue dust, steam, and system has characteristics such as operating cost is low, reliable and stable, measurement is accurate, unmanned.
Emission measurement is formed with reference light paths by measuring light path, measures light path and directly detects flue gas, and reference light paths is measured process ceramic filter filtered smoke gas, the influence of steam in both references elimination flues, thus be implemented in the wet flue gas detection to flue dust.
Claims (3)
1. fume emission monitoring probe device; It is characterized in that forming by air chamber (22) and reflex reflector (21); Reflex reflector (21) is connected with air chamber (22); In air chamber (22), be provided with zirconia probe (32), pressure probe (33), temperature flow velocity probe (34), optical fiber, scavenging pipeline (36), ceramic filter plate (37) and cabling pipeline (38), ceramic filter plate (37) is divided into air chamber and measures air chamber and reference air chamber two parts.
2. fume emission monitoring probe device according to claim 1 is characterized in that being provided with in the described reflex reflector (21) the reflective prism in right angle (39).
3. fume emission monitoring probe device according to claim 2 is characterized in that the both sides of the reflective prism (39) at the right angle are provided with heating plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200294204U CN202119710U (en) | 2011-01-28 | 2011-01-28 | Exhaust gas emission monitoring probe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200294204U CN202119710U (en) | 2011-01-28 | 2011-01-28 | Exhaust gas emission monitoring probe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119710U true CN202119710U (en) | 2012-01-18 |
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ID=45460765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200294204U Expired - Lifetime CN202119710U (en) | 2011-01-28 | 2011-01-28 | Exhaust gas emission monitoring probe device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202119710U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677797A (en) * | 2015-03-20 | 2015-06-03 | 刘宏志 | Ambient air quality representation method |
| CN108801964A (en) * | 2018-09-20 | 2018-11-13 | 刘建松 | It is a kind of directly to measure formula gaseous pollutant emission monitoring device |
| CN109975231A (en) * | 2017-12-27 | 2019-07-05 | 茶山Sm株式会社 | Based on the ultraviolet automobile exhaust gas checking apparatus of on-dispersive |
| CN110848739A (en) * | 2019-10-16 | 2020-02-28 | 华电电力科学研究院有限公司 | Intelligent purging anti-blocking system and method for zirconia oxygen content measuring probe |
| CN113252595A (en) * | 2021-05-19 | 2021-08-13 | 广州特种承压设备检测研究院 | Boiler efficiency environmental protection synthesizes intelligent detector |
-
2011
- 2011-01-28 CN CN2011200294204U patent/CN202119710U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677797A (en) * | 2015-03-20 | 2015-06-03 | 刘宏志 | Ambient air quality representation method |
| CN109975231A (en) * | 2017-12-27 | 2019-07-05 | 茶山Sm株式会社 | Based on the ultraviolet automobile exhaust gas checking apparatus of on-dispersive |
| CN108801964A (en) * | 2018-09-20 | 2018-11-13 | 刘建松 | It is a kind of directly to measure formula gaseous pollutant emission monitoring device |
| CN110848739A (en) * | 2019-10-16 | 2020-02-28 | 华电电力科学研究院有限公司 | Intelligent purging anti-blocking system and method for zirconia oxygen content measuring probe |
| CN113252595A (en) * | 2021-05-19 | 2021-08-13 | 广州特种承压设备检测研究院 | Boiler efficiency environmental protection synthesizes intelligent detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: QINGDAO JIAMING MEASUREMENT AND CONTROL TECHNOLOGY Free format text: FORMER NAME: QINGDAO JIAMING MEASURING AND CONTROL INSTRUMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 266000 Shandong city of Qingdao province Fuzhou Northroad 169-919 Patentee after: QINGDAO JIAMING MEASUREMENT AND CONTROL TECHNOLOGY CO., LTD. Address before: 266000 Shandong city of Qingdao province Fuzhou Northroad 169-919 Patentee before: Qingdao Jiaming Measurement and Control Instrument Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |