CN204989124U - Measured flow way suitable for volatile organic compounds - Google Patents
Measured flow way suitable for volatile organic compounds Download PDFInfo
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- CN204989124U CN204989124U CN201520783862.6U CN201520783862U CN204989124U CN 204989124 U CN204989124 U CN 204989124U CN 201520783862 U CN201520783862 U CN 201520783862U CN 204989124 U CN204989124 U CN 204989124U
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Abstract
The utility model provides a measured flow way suitable for volatile organic compounds comprises FID detector and ignition flow path, organic matter sampling flow path, carrier gas flow path. The FID detector is connected through the screw with heating seat, hydrogen flame burnt during the realization detector was connected to FID detector and ignition flow path, organic matter sampling flow path is connected with carrier gas flow path and FID detector, is used for accomplishing collection, classification, the measurement of measuring gas. Its advantage is, can realize a plurality of organic matter parameters of analysis appearance simultaneous measurement, shortens measuring time, improves measurement accuracy. It to the blank of the total hydrocarbon of non - methane when measuring the organic matter, is applicable to on the VOC analysis appearance to have solved VOC analysis appearance.
Description
Technical field
The utility model belongs to detection technique field, is specifically related to a kind of measurement stream being applicable to volatile organic matter.
Background technology
At present in Air Pollution Control field, volatile organic contaminant (VolatileOrganicCompounds) is more and more subject to the most attention of countries in the world.VOCs is of a great variety, is the precursor of city photo-chemical smog, and indivedual VOCs material has poison, harmful and carcinogenesis, causes very large harm to health.Along with the development of China's industry, the pollution becoming serious that VOCs produces in city, causes photo-chemical smog, O
3the environmental problems such as concentration rising, the increase of haze weather number of times.Therefore, to people for control that VOCs discharges is that China is current for protection of the environment and people's health and problem demanding prompt solution.VOC analyser many employings gas chromatography, distinguishes measurement organism composition, based on current present situation, designs a kind of measurement stream being applicable to volatile organic matter.
Summary of the invention
The purpose of this utility model is to improve the measurement stream of volatile organic matter, sets up VOC analyser and measures the parameters such as total hydrocarbon, methane, ethane, realize an analyser and measure multiple organism parameter simultaneously, shorten Measuring Time, improve measuring accuracy.
The technical scheme that the utility model proposes is, a kind of measurement stream being applicable to volatile organic matter, comprise fid detector, it is characterized in that: also comprise igniting stream, organism sampling stream, carrier gas stream, fid detector is connected by screw with heated seats, the hydrogen inlet of described fid detector and air intake are connected with igniting stream and realize hydrogen flame combustion in detecting device, described organism sampling stream is connected with fid detector heated seats, carrier gas stream is connected with ten-way valve carrier gas inlet, has been used for the collection of measurement gas, classification, measurement.
Igniting stream described above comprises hydrogen pressure maintaining valve, Hydrogen Vapor Pressure table, hydrogen vapour lock, air pressure maintaining valve, air manometer, air vapour lock, hydrogen pressure maintaining valve one end is connected with source of the gas, the other end is connected by stainless-steel tube with Hydrogen Vapor Pressure table one end, the Hydrogen Vapor Pressure table other end is connected by stainless-steel tube with hydrogen vapour lock one end, and the hydrogen vapour lock other end is connected by stainless-steel tube with fid detector hydrogen inlet; Air pressure maintaining valve one end is connected with source of the gas, the other end is connected by stainless-steel tube with air manometer one end, the air manometer other end is connected by stainless-steel tube with air vapour lock one end, the air vapour lock other end is connected by stainless-steel tube with fid detector air intake, hydrogen inlet and air intake homeotropic alignment on fid detector wall.
Organism sampling stream described above comprises ten-way valve, quantitative loop A, quantitative loop B, void column, vapour lock, packed column, quantitative loop A two ends are connected with the interface 1,4 of ten-way valve, quantitative loop B two ends are connected with the interface 5,8 of ten-way valve, packed column one end is connected with the interface 2 of ten-way valve, void column one end is connected with the interface 6 of ten-way valve, the void column other end is connected with vapour lock one end, and the other end of packed column, vapour lock is connected with heated seats.
Carrier gas stream described above comprises nitrogen stabilization pressure valve, nitrogen pressure Table A, nitrogen flow stabilizing valve, nitrogen pressure table B, nitrogen stabilization pressure valve one end is connected with source of the gas, the other end is connected by stainless-steel tube with nitrogen pressure Table A one end, the nitrogen pressure Table A other end is connected by stainless-steel tube with nitrogen flow stabilizing valve one end, the nitrogen flow stabilizing valve other end is connected by stainless-steel tube with nitrogen pressure table B one end, and the nitrogen pressure table B other end is connected by stainless-steel tube with ten-way valve carrier gas inlet.
The utility model has the advantages that, an analyser can be realized and measure multiple organism parameter simultaneously, shorten Measuring Time, improve measuring accuracy.Solving the blank of VOC analyser when measuring organism to NMHC, being applicable on VOC analyser.
Accompanying drawing illustrates:
Fig. 1 is a kind of overall schematic being applicable to the measurement stream of volatile organic matter of the present utility model
Fig. 2 is a kind of FID igniting stream schematic diagram being applicable to the measurement stream of volatile organic matter of the present utility model
Fig. 3 is a kind of organism sampling stream schematic diagram being applicable to the measurement stream of volatile organic matter of the present utility model
Fig. 4 is a kind of carrier gas stream schematic diagram being applicable to the measurement stream of volatile organic matter of the present utility model
In figure, 1-heated seats, 2-fid detector, 3-packed column, 4-void column, 5-ten-way valve, 6-vapour lock, 7-quantitative loop A, 8-quantitative loop B, 9-air vapour lock, 10-air manometer, 11-air pressure maintaining valve, 12-hydrogen vapour lock, 13-Hydrogen Vapor Pressure table, 14-hydrogen pressure maintaining valve, 15-nitrogen pressure table B, 16-nitrogen flow stabilizing valve, 17-nitrogen pressure Table A, 18-nitrogen stabilization pressure valve
Embodiment:
As shown in Figure 1, the utility model provides a kind of measurement stream being applicable to volatile organic matter, by fid detector and FID igniting stream, organism sampling stream, carrier gas stream forms, fid detector 2 is connected by screw with heated seats 1, at heated seats bottom and packed column 3, void column 4, ten-way valve 5 is connected, the light a fire hydrogen gas flow path of stream of hydrogen inlet and the FID of fid detector is connected, the air intake of fid detector is connected with the air flow circuit of igniting stream, realize hydrogen flame combustion in detecting device, described organism sampling stream is connected with fid detector heated seats, carrier gas stream is connected with the carrier gas inlet in ten-way valve 5, be used for the collection of measurement gas, classification, measure.
As shown in Figure 2, FID lights a fire stream by heated seats 1, and fid detector 2, air vapour lock 9, air manometer 10, air pressure maintaining valve 11, hydrogen vapour lock 12, Hydrogen Vapor Pressure table 13, hydrogen pressure maintaining valve 14 is formed.
As shown in Figure 3, organism sample streams route packed column 3, void column 4, ten-way valve 5, vapour lock 6, quantitative loop A7, quantitative loop B8 are formed.
As shown in Figure 4, carrier gas stream is by nitrogen pressure table B15, and nitrogen flow stabilizing valve 16, nitrogen pressure Table A 17, nitrogen stabilization pressure valve 18 is formed.
Using method of the present utility model is, the air pressure maintaining valve of air in air flow circuit, air manometer, air vapour lock enters fid detector, the hydrogen pressure maintaining valve of hydrogen in hydrogen gas flow path, Hydrogen Vapor Pressure table, hydrogen vapour lock enters fid detector, hydrogen and air mass flow ratio are 1:15, the resistance wire of heated seats inside is made to produce electric spark by voltage, air in fid detector and hydrogen run into electric spark and generate hydrogen flame, control valve 9 in ten-way valve to be connected with valve 8, valve 5 is connected with valve 4, valve 1 is connected with valve 10, measurement gas enters quantitative loop A and quantitative loop B by ten-way valve entrance, in quantitative loop A and quantitative loop B during gassy, carrier gas is through nitrogen stabilization pressure valve, nitrogen pressure Table A, nitrogen flow stabilizing valve, nitrogen pressure table B enters ten-way valve, control valve 7 in ten-way valve to be connected with valve 8, valve 6 is connected with valve 5, power is served as in carrier gas makes the measurement gas in quantitative loop B enter void column, methane during centrifugation by void column in measurement gas, the alkanes compositions such as ethane are separated, the alkanes composition separated enters fid detector through hydrogen flame combustion generation current signal, the current signal gathered by computer calculates alkanes composition and concentration, control valve 3 in ten-way valve to be connected with valve 4, valve 1 is connected with valve 2, power is served as in carrier gas makes the measurement gas in quantitative loop A enter packed column, hydro carbons composition during centrifugation by packed column in measurement gas is separated, the hydro carbons composition separated enters fid detector through hydrogen flame combustion generation current signal, and the current signal gathered by computer calculates hydro carbons composition and concentration.
Claims (4)
1. one kind is applicable to the measurement stream of volatile organic matter, comprise fid detector, it is characterized in that: also comprise igniting stream, organism sampling stream, carrier gas stream, fid detector is connected by screw with heated seats, the hydrogen inlet of described fid detector and air intake are connected with igniting stream and realize hydrogen flame combustion in detecting device, described organism sampling stream is connected with fid detector heated seats, carrier gas stream is connected with ten-way valve carrier gas inlet, has been used for the collection of measurement gas, classification, measurement.
2. a kind of measurement stream being applicable to volatile organic matter as claimed in claim 1, it is characterized in that: hydrogen pressure maintaining valve one end of FID igniting stream is connected with source of the gas, the other end is connected with Hydrogen Vapor Pressure table one end, the Hydrogen Vapor Pressure table other end is connected with hydrogen vapour lock one end, and the hydrogen vapour lock other end is connected with fid detector hydrogen inlet; Air pressure maintaining valve one end is connected with source of the gas, the other end is connected with air manometer one end, the air manometer other end is connected with air vapour lock one end, the air vapour lock other end is connected with fid detector air intake, hydrogen inlet and air intake homeotropic alignment on fid detector wall.
3. a kind of measurement stream being applicable to volatile organic matter as claimed in claim 1, it is characterized in that: the organism sampling quantitative loop A two ends of stream are connected with the interface 1,4 of ten-way valve, quantitative loop B two ends are connected with the interface 5,8 of ten-way valve, packed column one end is connected with the interface 2 of ten-way valve, void column one end is connected with the interface 6 of ten-way valve, the void column other end is connected with vapour lock one end, and the other end of packed column, vapour lock is connected with heated seats.
4. a kind of measurement stream being applicable to volatile organic matter as claimed in claim 1, it is characterized in that: nitrogen stabilization pressure valve one end of carrier gas stream is connected with source of the gas, the other end is connected with nitrogen pressure Table A one end, the nitrogen pressure Table A other end is connected with nitrogen flow stabilizing valve one end, the nitrogen flow stabilizing valve other end is connected with nitrogen pressure table B one end, and the nitrogen pressure table B other end is connected with ten-way valve carrier gas inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520783862.6U CN204989124U (en) | 2015-10-12 | 2015-10-12 | Measured flow way suitable for volatile organic compounds |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520783862.6U CN204989124U (en) | 2015-10-12 | 2015-10-12 | Measured flow way suitable for volatile organic compounds |
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| CN204989124U true CN204989124U (en) | 2016-01-20 |
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| CN201520783862.6U Active CN204989124U (en) | 2015-10-12 | 2015-10-12 | Measured flow way suitable for volatile organic compounds |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024377A (en) * | 2017-04-14 | 2017-08-08 | 中国石油化工股份有限公司 | Total hydrocarbon on-line dilution monitoring device in waste gas |
| CN107202859A (en) * | 2016-03-18 | 2017-09-26 | 株式会社岛津制作所 | The gas supply flow control method and its equipment of VOC detectors, VOC detectors |
| CN108562696A (en) * | 2018-03-29 | 2018-09-21 | 北京新能联合仪器仪表厂 | A kind of hydrogen sulfide device for fast detecting |
| CN109073609A (en) * | 2016-06-30 | 2018-12-21 | 株式会社岛津制作所 | flow controller |
| CN109752440A (en) * | 2017-11-08 | 2019-05-14 | 中国石油化工股份有限公司 | A kind of total hydrocarbon concentration detector and its application and total hydrocarbon concentration measuring method |
| CN109870532A (en) * | 2019-03-13 | 2019-06-11 | 翼捷安全设备（昆山）有限公司 | Online non-methane total hydrocarbons analysis system |
-
2015
- 2015-10-12 CN CN201520783862.6U patent/CN204989124U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202859A (en) * | 2016-03-18 | 2017-09-26 | 株式会社岛津制作所 | The gas supply flow control method and its equipment of VOC detectors, VOC detectors |
| CN109073609A (en) * | 2016-06-30 | 2018-12-21 | 株式会社岛津制作所 | flow controller |
| CN109073609B (en) * | 2016-06-30 | 2020-10-09 | 株式会社岛津制作所 | Flow controller |
| CN107024377A (en) * | 2017-04-14 | 2017-08-08 | 中国石油化工股份有限公司 | Total hydrocarbon on-line dilution monitoring device in waste gas |
| CN107024377B (en) * | 2017-04-14 | 2020-03-31 | 中国石油化工股份有限公司 | Online dilution monitoring device for total hydrocarbons in waste gas |
| CN109752440A (en) * | 2017-11-08 | 2019-05-14 | 中国石油化工股份有限公司 | A kind of total hydrocarbon concentration detector and its application and total hydrocarbon concentration measuring method |
| CN108562696A (en) * | 2018-03-29 | 2018-09-21 | 北京新能联合仪器仪表厂 | A kind of hydrogen sulfide device for fast detecting |
| CN109870532A (en) * | 2019-03-13 | 2019-06-11 | 翼捷安全设备（昆山）有限公司 | Online non-methane total hydrocarbons analysis system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100085 floor 8 of Jihua building, No. 9, Third Street, Haidian District, Beijing, Beijing Patentee after: China energy saving Tian Rong Technology Co., Ltd. Address before: 100085 floor 8 of Jihua building, No. 9, Third Street, Haidian District, Beijing, Beijing Patentee before: Zhongke Tianrong (Beijing) Technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |