CN201984028U - High-temperature standard steam-gas mixing and gas-distributing calibrating device - Google Patents
High-temperature standard steam-gas mixing and gas-distributing calibrating device Download PDFInfo
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- CN201984028U CN201984028U CN2011200780700U CN201120078070U CN201984028U CN 201984028 U CN201984028 U CN 201984028U CN 2011200780700 U CN2011200780700 U CN 2011200780700U CN 201120078070 U CN201120078070 U CN 201120078070U CN 201984028 U CN201984028 U CN 201984028U
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Abstract
The utility model discloses a high-temperature standard steam-gas mixing and gas-distributing calibrating device in an industrially-applied spectrum-type gas-detecting instrument, which relates to the technical field of high-temperature spectrum-type gas-sensing detection. A sample pool comprises a preheating furnace, a mixed-liquid inlet, a mixed-gas inlet, a mixed steam-gas outlet and a heating tape. The mixed-liquid inlet and the mixed-gas inlet are respectively communicated with the front upper part and the front lower part of the preheating furnace to realize mixed-liquid vaporization and mixed-gas preheating, so that steam and gas are fully mixed; high-temperature standard mixed steam and gas are led out of an outlet at the rear upper part of the preheating furnace and led into a calibrating and measuring area through a flow passage; and the heating tape is wound on the flow passage to avoid steam condensation brought by temperature decrease. The high-temperature standard steam-gas mixing and gas-distributing calibrating device has the advantages that: the standard gas with a stable concentration at a high temperature is provided, the mixing and the gas distribution of the high-temperature standard steam and gas are realized, the accuracy and the precision of a high-temperature measuring result are ensured, and the high-temperature standard steam-gas mixing and gas-distributing calibrating device can be used for calibrating high-temperature spectrum-monitoring equipment.
Description
Technical field
The utility model relates in a kind of high temperature spectrum formula gas sensing detection technique field, is suitable for demarcating the high temperature standard vapour gas mixing distribution calibrating installation of usefulness in the relevant spectral measurement.
Background technology
Along with the fast development in China environmental protection field, need further reinforcement to the monitoring of high-temp combustion process, this proposes higher requirement to the gas detection ability in the combustion process.Because spectrum is strong tool in the gas detection, and standard specimen gas is the important component that gaseous spectrum is analyzed, its stability directly influences the precision of spectral measurement instrument, also must improve so realize the complicated gas calibration under the high-temperature condition.
The standard specimen gas that uses in the present light spectrum detecting apparatus also exists following shortcoming:
(1) can only be applicable to normal temperature work.Under the normal temperature situation, liquid vaporization composition is not obvious, and its spectral information composition is simple relatively; But in the industrial combustion process, often be under the high-temperature condition now, corresponding gas informational content relative complex, in the high-temp combustion process, liquid vaporization composition is very heavy to the spectrum influence of object gas.
(2) its gas componant is more single.Can not satisfy the requirement that COMPLEX MIXED gas is demarcated under the high-temperature condition, complicacy at the gas that produces in the high-temp combustion process, if realize the mixing of complicated gas under the high-temperature condition with various standard specimen gases, increase virtually the volume and the complicacy of equipment.In the spectral detection field, still there is not the standard specimen gas products that is applicable to calibration usefulness under the high-temperature condition at present.
Summary of the invention
At the defective that exists in the above-mentioned prior art, the sensitivity that technical problem to be solved in the utility model provided and a kind ofly realize high temperature standard vapour gas mixing distribution, improved spectral detection and precision also are used for the high temperature standard vapour gas mixing distribution calibrating installation of on-line proving.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
High temperature standard vapour gas mixing distribution calibrating installation comprises: preheating furnace, mixed liquor (gas) body inlet, liquid (gas) flowmeter body, liquid (gas) body inlet, calibration measurement district, constant temperature oven, exhaust outlet, heating tape, runner, the outlet of mixed steam gas.Various liquid (gas) body enters the mouth by liquid (gas) body separately, through the control of liquid (gas) flowmeter body, realizes evenly mixing in mixed liquor (gas) body porch;
Further, described mixing material inlet is communicated with the front upper place of preheating furnace, guarantees mixing material all vaporizations in whole preheating furnace; Described mixed gas inlet is communicated with the front lower place of preheating furnace, realizes the preheating of entrained gas, guarantees that simultaneously vapour gas fully mixes in the preheating furnace, realizes high temperature standard vapour gas mixing distribution;
Further, described mixed steam gas outlet is communicated with the back upper place of preheating furnace, and high temperature standard mixed steam gas is derived by the mixed steam gas outlet of preheating furnace back upper place, is directed into the calibration measurement district through runner; Gas condensation for prevent that high temperature standard mixed steam gas from bringing owing to the temperature reduction in the transmission course of runner is wound with the heating tape on the runner;
Further, described calibration measurement district is placed in the adjustable constant temperature oven of temperature, and its rear leaves exhaust outlet and be communicated with atmosphere, guarantees that the high temperature standard mixed steam atmospheric pressure of inside, calibration measurement district is an atmospheric pressure.
Compared with prior art, the advantage of technical solutions of the utility model is: owing to the top of mixing material from preheating furnace flows into, mixed gas feeds from the below of preheating furnace, realizes sneaking into vaporizing liquid and entrained gas preheating, guaranteed that gas vapour fully mixes, realized high temperature standard vapour gas mixing distribution; And derive high temperature standard mixed steam gas in the back upper place of preheating furnace, be directed in the calibration measurement district by runner, and be wound with the heating tape on the runner, prevent that standard mixed steam gas from producing condensation owing to temperature reduces, reduced the error of high temperature spectrum analyser, improved the precision of high temperature standard mixed steam gas, thus the precision and the sensitivity that have improved the spectral detection instrument.
Description of drawings
Fig. 1 is the structural representation of the utility model high temperature standard vapour gas mixing distribution calibrating installation.
Embodiment
Consult the embodiment of Fig. 1 for the utility model high temperature standard vapour gas mixing distribution calibrating installation, high temperature standard mixed steam gas calibrating installation comprises preheating furnace 1, mixing material inlet 21, mixed gas inlet 22, liquid flowmeter 31, gas meter 32, liquid inlet 41, gas access 42, calibration measurement district 5, exhaust outlet 6, constant temperature oven 7, heating tape 8, runner 9, mixed steam gas outlet 10.
Various liquid enter from liquid inlet 41 separately, by the flow control of corresponding liquid flowmeter 31, realize liquid mixing at mixing material 21 places that enter the mouth; All gases enters from gas access 42 separately, by the flow control of corresponding gas meter 32, realizes that at mixed gas 22 places that enter the mouth gas mixes; Described liquid inlet 41, gas access 42, liquid flowmeter 31, gas meter 32 can be provided with several according to the actual detected demand;
Mixing material inlet 21 is communicated with the front upper place of preheating furnace 1, and mixed gas enters the mouth and 22 is communicated with the front lower place of preheating furnace 1, and mixed steam gas exports 10 and is communicated with the back upper place of preheating furnace 1; High temperature standard mixed steam gas is derived from mixed steam gas outlet 10 and is directed in the calibration measurement district 5 by runner 9, and is wound with heating tape 8 on the runner 9; Calibration measurement district 5 is placed in the adjustable constant temperature oven of temperature 7, and the exhaust outlet 6 that is communicated with atmosphere is left at the rear in calibration measurement district 5.
The above only is a specific embodiment of the utility model, but technical characterictic of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and variation of being done or modification all are encompassed among the claim of the present utility model.
Claims (3)
1. the high temperature standard vapour gas mixing distribution calibrating installation in the spectrum formula gas detecting instrument is characterized in that: comprise preheating furnace (1), mixing material inlet (21), mixed gas inlet (22), the outlet of mixed steam gas (10), heating tape (8).
2. high temperature standard vapour gas mixing distribution calibrating installation as claimed in claim 1, it is characterized in that: mixing material inlet (21) is communicated with the front upper place of preheating furnace (1), mixed gas inlet (22) is communicated with the front part of preheating furnace (1), and mixed steam gas outlet (10) is communicated with the back upper place of preheating furnace (1);
3. high temperature standard vapour gas mixing distribution calibrating installation as claimed in claim 1, it is characterized in that: high temperature standard mixed steam gas is derived from mixed steam gas outlet (10) and is directed in the calibration measurement district (5) by runner (9), and is wound with heating tape (8) on the runner (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200780700U CN201984028U (en) | 2011-03-18 | 2011-03-18 | High-temperature standard steam-gas mixing and gas-distributing calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200780700U CN201984028U (en) | 2011-03-18 | 2011-03-18 | High-temperature standard steam-gas mixing and gas-distributing calibrating device |
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| CN201984028U true CN201984028U (en) | 2011-09-21 |
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| CN2011200780700U Expired - Fee Related CN201984028U (en) | 2011-03-18 | 2011-03-18 | High-temperature standard steam-gas mixing and gas-distributing calibrating device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543121A (en) * | 2013-10-11 | 2014-01-29 | 皖江新兴产业技术发展中心 | Device and method for on-line calibration on high-temperature flue gas infrared spectrum measurement system |
| CN104390831A (en) * | 2014-12-16 | 2015-03-04 | 山东大学 | Method and device for preparing standard methacrylic acid gas sample |
| CN104849236A (en) * | 2015-05-08 | 2015-08-19 | 昆山禾信质谱技术有限公司 | Gas concentration measuring equipment |
| CN106693736A (en) * | 2015-11-18 | 2017-05-24 | 农业部规划设计研究院 | Biomass pyrolysis carbonization gas mixture distribution method and biomass pyrolysis carbonization gas mixture distribution apparatus |
| CN107271049A (en) * | 2017-07-07 | 2017-10-20 | 中国科学院工程热物理研究所 | A kind of apparatus and method for measuring HTHP mixed gas radiation characteristic |
-
2011
- 2011-03-18 CN CN2011200780700U patent/CN201984028U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543121A (en) * | 2013-10-11 | 2014-01-29 | 皖江新兴产业技术发展中心 | Device and method for on-line calibration on high-temperature flue gas infrared spectrum measurement system |
| CN103543121B (en) * | 2013-10-11 | 2016-02-24 | 皖江新兴产业技术发展中心 | A kind of high-temperature flue gas infrared spectra measuring system on-line calibration apparatus and method |
| CN104390831A (en) * | 2014-12-16 | 2015-03-04 | 山东大学 | Method and device for preparing standard methacrylic acid gas sample |
| CN104849236A (en) * | 2015-05-08 | 2015-08-19 | 昆山禾信质谱技术有限公司 | Gas concentration measuring equipment |
| CN106693736A (en) * | 2015-11-18 | 2017-05-24 | 农业部规划设计研究院 | Biomass pyrolysis carbonization gas mixture distribution method and biomass pyrolysis carbonization gas mixture distribution apparatus |
| CN106693736B (en) * | 2015-11-18 | 2020-08-21 | 农业农村部规划设计研究院 | Distribution equipment for biomass pyrolysis and carbonization mixed gas |
| CN107271049A (en) * | 2017-07-07 | 2017-10-20 | 中国科学院工程热物理研究所 | A kind of apparatus and method for measuring HTHP mixed gas radiation characteristic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120318 |