CN1924586B - Smog discharge continuous monitor system - Google Patents
Smog discharge continuous monitor system Download PDFInfo
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- CN1924586B CN1924586B CN2006100535083A CN200610053508A CN1924586B CN 1924586 B CN1924586 B CN 1924586B CN 2006100535083 A CN2006100535083 A CN 2006100535083A CN 200610053508 A CN200610053508 A CN 200610053508A CN 1924586 B CN1924586 B CN 1924586B
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Abstract
This invention discloses one smoke continuous monitor system, which comprises the following parts: sampling device fixed on the measurement tube or channel; gas measurement chamber and measurement device; pump device to dry the smoke of the test device fixed on the gas measurement chamber; the said pump device comprises ejection device and the gas source connected.
Description
Technical field
The present invention relates to a kind of flue gas discharge continuous monitoring system, particularly a kind ofly need not to dewater and condensing unit and utilize fluidic device to extract gas in the tested pipeline and the flue gas discharge continuous monitoring system of analyzing (CEMS) out.
Background technology
A kind of flue gas discharge continuous monitoring system comprises sampler, heat tracing pipe, de-watering apparatus, condensing unit, membrane pump and measurement mechanism.Flue gas in the tested pipeline is taken a sample through sampler, send de-watering apparatus to dewater through heat tracing pipe afterwards, send into measurement mechanism after further dewatering by condensing unit again and measure through all gases component in the flue gas after the condensing unit such as sulphuric dioxide, nitrogen monoxide, oxygen isoconcentration.The common employing of measurement mechanism is infrared, the ultraviolet absorption spectroscopy technology is come analytical gas concentration.Described membrane pump is installed in after the condensing unit usually, before the measurement mechanism, is used to extract out the flue gas in the tested pipeline.
Another flue gas discharge continuous monitoring system comprises sampler, heat tracing pipe, heated air chamber, first measurement mechanism, de-watering apparatus, condensing unit, membrane pump and second measurement mechanism.Compare with last a kind of gaseous emission continuous monitor system, this monitoring system is equipped with first measurement mechanism before de-watering apparatus, behind the heat-mixing pipe.First measurement mechanism adopts the ultraviolet absorption spectroscopy technology to come analytical gas concentration usually, measures the concentration of some gases in the heating bath, as sulphuric dioxide, nitrogen monoxide etc.; First measurement mechanism is connected with the heated air chamber by optical fiber; Flue gas dewaters through de-watering apparatus after discharge the heated air chamber, sends into second measurement mechanism after further being dewatered by condensing unit again, and electrochemical analysis device is normally measured the oxygen concentration in the flue gas after further dewatering through condensing unit.
All there is following main deficiency in above-mentioned monitoring system: 1) cost is higher, and described membrane pump, de-watering apparatus and condensing unit all require corrosion-resistant, and corrosion resistant pump and condensing unit price are higher; 2) life-span shorter, described membrane pump and condensing unit all belong to moving component, and all want continuous working, this has reduced the accident-free duration of system; 3) described membrane pump and condensing unit all need power supply, and power consumption is bigger; 4) system architecture complexity is leaked, the device of fault is more, and reliability is low.
Summary of the invention
In order to solve above shortcomings in the prior art, the invention provides a kind of system and form flue gas discharge continuous monitoring system simple, that cost is lower, serviceable life is long, power consumption is lower.
For achieving the above object, the present invention is by the following technical solutions:
A kind of flue gas discharge continuous monitoring system comprises the sampler, gas and the measurement mechanism that are installed on tested device or the pipeline; Described system comprises that also being installed in being used to after the described gas extracts the air extractor of flue gas in tested device or the pipeline out, and described air extractor comprises fluidic device and the source of the gas that is connected with fluidic device.
Described gas is the heated air measuring chamber.
One pressure transducer is housed on the described gas.
Described fluidic device is the heated jet device.
Described gas and fluidic device are installed in the heating box.
Described measurement mechanism comprises ultra-violet absorption spectrum gas analyzing apparatus or zirconia analytical equipment or Fuli's leaf infrared analysis device or Non-Dispersive Infra-red (NDIR) analytical equipment.
Described ultra-violet absorption spectrum gas analyzing apparatus links to each other with described gas by optical fiber.
Described source of the gas is a pressurized air.
Be connected by heat tracing pipe between described sampler and the described gas.
Described source of the gas is by providing the air compressor machine of blowback source of the gas to provide to sampler in the gaseous emission continuous monitor system.
According to technical scheme of the present invention, compared with prior art, beneficial effect of the present invention is: 1) system forms simply, has saved de-watering apparatus, condensing unit, has reduced the possibility that leakage and device break down; In the prior art scheme, all some gas componant is by carrying out the gas analyzing apparatus analysis that could use after condensation dewaters to tested gas, but, the whole uses of this programme can be to heating, the gas analyzing apparatus analyzed of the aqueous vapor that do not eliminate body, thereby has saved de-watering apparatus, condensing unit; 2) cost is low, and simple in structure, the low cost of manufacture of described fluidic device need not condensing unit, de-watering apparatus simultaneously; And described source of the gas can use the blowback source of the gas of required usefulness in the described flue gas discharge continuous monitoring system, and these have all reduced system cost; The advantage of membrane pump is not change the gas componant and the concentration thereof of releasing, and fluidic device is then different, has increased the composition of described source of the gas from the gas componant that it comes out, thereby has caused the concentration of tested gas componant to change; Because technical scheme of the present invention is placed on air extractor after all measurement mechanisms, therefore, the shortcoming that fluidic device changes gas concentration can not produce any influence to gasmetry; Thereby can be in technical scheme of the present invention substitute membrane pump in the existing scheme with fluidic device; 3) engineering maintenance amount is little, and system architecture is simple, and moving components such as frozen-free device, membrane pump have reduced the maintenance of system; 4) serviceable life longer, described air extractor does not have moving component, realizes high temperature resistant, corrosion-resistant easily.
Description of drawings
Fig. 1 is the structural representation of a kind of flue gas discharge continuous monitoring system of the present invention.
Fig. 2 is the structural representation of another kind of flue gas discharge continuous monitoring system of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is done further detailed description.
Embodiment 1:
As shown in Figure 1, a kind of flue gas discharge continuous monitoring system, be used for continuous monitoring is carried out in the smoke emissioning pollution source, comprise sampling pretreatment unit 2, heat tracing pipe 3, heated air measuring chamber 4, measurement mechanism 5 and air extractor, also comprise a pressure transducer (not shown) that is installed on the heated air measuring chamber 4.Described sampling pretreatment unit 2 is installed on the tested gas pipeline 1.The two ends of described heat tracing pipe 3 connect described sampling pretreatment unit 2 and heated air measuring chamber 4.Described measurement mechanism comprises a cover ultraviolet absorption spectroscopy device 5, oxygen sensor (present embodiment employing zirconia sensor), described ultraviolet absorption spectroscopy device 5 links to each other with the heated air measuring chamber by optical fiber, and described oxygen sensor (not shown) is installed on the heated air measuring chamber 4.The air extractor that is used to extract out flue gas in the tested pipeline is installed in after the described heated air measuring chamber, comprises fluidic device 6 and source of the gas 7 (present embodiment use pressurized air), and described fluidic device 6 is prior aries, does not repeat them here.
The course of work of above-mentioned monitoring system is: described fluidic device 6 is worked under the effect of compressed air gas source 7, is used for and the pretreatment unit 2 of taking a sample cooperates the flue gas of extracting out in the tested pipelines 1; Flue gas is led in the described heated air measuring chamber 4 by heat tracing pipe 3 afterwards, ultraviolet absorption spectroscopy device 5 in the described measurement mechanism is measured the concentration of some gases in the heated air measuring chamber 4, as nitrogen monoxide, sulphuric dioxide, hydrogen chloride etc., and oxygen sensor is measured concentration of oxygen, and the indoor gaseous tension of the heated air of utilizing pressure transducer to measure is revised above-mentioned concentration.
Embodiment 2:
As shown in Figure 2, a kind of flue gas discharge continuous monitoring system is used for continuous monitoring is carried out in the smoke emissioning pollution source, comprises sampling pretreatment unit 2, heated air measuring chamber 4, measurement mechanism 5 and air extractor.Described sampling pretreatment unit 2 is installed on the tested gas pipeline 1.Described sampling pretreatment unit 2 is connected with heated air measuring chamber 4 and is installed in the heating arrangement 8.Described measurement mechanism comprises a cover ultraviolet absorption spectroscopy device 5, oxygen sensor (present embodiment employing zirconia sensor), and described oxygen sensor is installed on the heated air measuring chamber 3.The air extractor that is used to extract out flue gas in the tested pipeline is installed in after the described heated air measuring chamber, comprise fluidic device 6 and source of the gas 7 (present embodiment use pressurized air), described fluidic device 6 is installed in the described heating arrangement 8, and described fluidic device 6 is prior aries, does not repeat them here.Described source of the gas 7 provides the air compressor machine of blowback source of the gas to provide by giving in the gaseous emission continuous monitor system to sampler etc.
The course of work of above-mentioned monitoring system is: described fluidic device 6 is worked under the effect of compressed air gas source 7, is used for and the pretreatment unit 2 of taking a sample cooperates the flue gas of extracting out in the tested pipelines 1; Cai Yang flue gas leads in the described heated air measuring chamber 4 from sampling pretreatment unit 2 afterwards, ultraviolet absorption spectroscopy device 5 in the described measurement mechanism is measured the concentration of some gases in the heated air measuring chamber 4, as nitrogen monoxide, sulphuric dioxide, hydrogen chloride etc., and oxygen sensor is measured concentration of oxygen.
It is pointed out that above-mentioned embodiment should not be construed as limiting the scope of the invention.In above-mentioned embodiment, used source of the gas is a pressurized air, can also be compressed nitrogen or steam certainly.Key of the present invention is to use the air extractor that includes fluidic device to extract the gas in the tested flue out and carry out concentration analysis in flue gas discharge continuous monitoring system.Under the situation that does not break away from spirit of the present invention, any type of change that the present invention is made all should fall within protection scope of the present invention.
Claims (8)
1. a flue gas discharge continuous monitoring system comprises the sampler, heated air measuring chamber and the measurement mechanism that are installed on tested device or the pipeline; It is characterized in that: described system does not possess de-watering apparatus; Described system comprises that also being installed in being used to after the described heated air measuring chamber extracts the air extractor of flue gas in tested device or the pipeline out, and described air extractor comprises fluidic device and the source of the gas that is connected with fluidic device; Described fluidic device is the heated jet device.
2. monitoring system according to claim 1 is characterized in that: on the described heated air measuring chamber pressure transducer is housed.
3. monitoring system according to claim 1 is characterized in that: described heated air measuring chamber and fluidic device are installed in the heating box.
4. according to the arbitrary described monitoring system of claim 1 to 3, it is characterized in that: described measurement mechanism comprises ultra-violet absorption spectrum gas analyzing apparatus or zirconia analytical equipment or Fuli's leaf infrared analysis device or Non-Dispersive Infra-red (NDIR) analytical equipment.
5. monitoring system according to claim 4 is characterized in that: described ultra-violet absorption spectrum gas analyzing apparatus links to each other with described heated air measuring chamber by optical fiber.
6. according to the arbitrary described monitoring system of claim 1 to 3, it is characterized in that: described source of the gas is a pressurized air.
7. according to the arbitrary described monitoring system of claim 1 to 3, it is characterized in that: be connected by heat tracing pipe between described sampler and the described heated air measuring chamber.
8. according to the arbitrary described monitoring system of claim 1 to 3, it is characterized in that: described source of the gas is by providing the air compressor machine of blowback source of the gas to provide to sampler in the gaseous emission continuous monitor system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100535083A CN1924586B (en) | 2006-09-11 | 2006-09-11 | Smog discharge continuous monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100535083A CN1924586B (en) | 2006-09-11 | 2006-09-11 | Smog discharge continuous monitor system |
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| Publication Number | Publication Date |
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| CN1924586A CN1924586A (en) | 2007-03-07 |
| CN1924586B true CN1924586B (en) | 2010-09-29 |
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| CN2006100535083A Active CN1924586B (en) | 2006-09-11 | 2006-09-11 | Smog discharge continuous monitor system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387602B (en) * | 2008-10-09 | 2011-11-30 | 聚光科技(杭州)股份有限公司 | Fume emission continuous monitoring method and system |
| CN103487593B (en) * | 2013-09-18 | 2014-06-18 | 中国科学院微电子研究所 | Gas analysis device and method |
| CN104266991A (en) * | 2014-10-22 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | Portable gas detector |
| CN105806755B (en) * | 2014-12-31 | 2019-11-12 | 上海北分科技股份有限公司 | A kind of flue gas inspection equipment |
| CN105987868B (en) * | 2015-02-09 | 2019-11-12 | 上海北分科技股份有限公司 | A kind of low-concentration flue gas detection system of particles |
| CN109557258B (en) * | 2018-11-27 | 2020-01-31 | 广州华粤科技有限公司 | continuous emission monitoring equipment of flue gas |
| CN110927334A (en) * | 2019-11-08 | 2020-03-27 | 南京贺普科技有限公司 | Low-power-consumption wireless solar type flue gas emission monitoring system |
| CN111537586B (en) * | 2020-04-17 | 2022-10-28 | 中国特种设备检测研究院 | Oxygen content sensor with self-calibration function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321882A (en) * | 2001-06-20 | 2001-11-14 | 包克明 | Multicomponent gas infrared monitoring system |
| CN1346977A (en) * | 2001-10-26 | 2002-05-01 | 韩宏峰 | In-situ analyzer of gas pollutants |
| CN2546879Y (en) * | 2002-06-26 | 2003-04-23 | 温平 | Gas analysis apparatus samplied with wet method |
| CN200953025Y (en) * | 2006-09-11 | 2007-09-26 | 王健 | Fumes discharging continuous monitoring system |
-
2006
- 2006-09-11 CN CN2006100535083A patent/CN1924586B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321882A (en) * | 2001-06-20 | 2001-11-14 | 包克明 | Multicomponent gas infrared monitoring system |
| CN1346977A (en) * | 2001-10-26 | 2002-05-01 | 韩宏峰 | In-situ analyzer of gas pollutants |
| CN2546879Y (en) * | 2002-06-26 | 2003-04-23 | 温平 | Gas analysis apparatus samplied with wet method |
| CN200953025Y (en) * | 2006-09-11 | 2007-09-26 | 王健 | Fumes discharging continuous monitoring system |
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| CN1924586A (en) | 2007-03-07 |
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Effective date of registration: 20090605 Address after: Hangzhou City, Zhejiang province Binjiang District Binhu road 760 post encoding: 310052 Applicant after: Focused Photonics (Hangzhou) Inc. Address before: Hangzhou City, Zhejiang Province, Binjiang District Lake Road 1180 No. 3 Building 2 floor post encoding: 310052 Applicant before: Wang Jian |
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