CN109883965A - A synthetic gas component detection device for high temperature and high pressure environment - Google Patents
A synthetic gas component detection device for high temperature and high pressure environment Download PDFInfo
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- CN109883965A CN109883965A CN201910070447.9A CN201910070447A CN109883965A CN 109883965 A CN109883965 A CN 109883965A CN 201910070447 A CN201910070447 A CN 201910070447A CN 109883965 A CN109883965 A CN 109883965A
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- laser
- high temperature
- detection device
- synthesis gas
- pressure environment
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 30
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000002309 gasification Methods 0.000 abstract description 6
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 230000006837 decompression Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 32
- 239000003245 coal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 241000931526 Acer campestre Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000003018 immunoassay Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of for high temperature, the synthesis gas component detection device of hyperbaric environment, belong to gas composition detection technique field, include laser, energy testing apparatus, protective device, controller and reception end detector, wherein, controller is connected with control computer, output instrument, laser and reception end detector respectively, laser is connected with energy testing apparatus, energy testing apparatus is connected with side protective device, and other side protective device is connected by processing optical path and enhancing chamber with end detector is received.The device of the invention solves the problems, such as the measurement of the synthesis gas under high temperature, condition of high voltage, ensure that the real-time of data acquisition, solves the problems, such as measurement feedback time delay caused by traditional filtering, decompression, improves the adjusting control ability of gasification furnace.
Description
Technical field
It is the present invention relates to a kind of gas-detecting device of fields of measurement, in particular to a kind of for high temperature, hyperbaric environment
Synthesis gas component detection device, belongs to gas composition detection technique field.
Background technique
Charcoal is the basic energy resource and strategic material in China, 60% or more is accounted in the consumption of China's non-renewable energy, coal money
The high-efficiency cleaning in source utilizes, and to national energy security is ensured, promotes Ecological Civilization Construction, ensures that national economy and society are sustainable
Scientific development is of great significance.
Coal gasification is that coal resources is pushed to clean the key technology of conversion, is that Development of Coal base bulk chemical, coal base are clear
The basis of the process industrials such as clean fuel, advanced IGCC power generation, polygenerations systeme, hydrogen manufacturing, be Modern Coal-based Chemical, oil refining, electric power and
The common technology of the industries such as metallurgy.
Currently, coal clean conversion just develops towards scale, enlargement, integration, intensive direction, prior art
Cannot adapt to the situation the demand of development.In order to ensure national energy security, promote Ecological Civilization Construction, Speeding up development has
The extensive dry-powder air-current bed gasification furnace that the day of independent intellectual property right handles 3000 tonnes or more just has extremely important meaning
Justice.Gasification furnace enlargement development proposes requirements at the higher level to equipment Reliability, operational efficiency, intelligentized control method, and gasification furnace closes
The real-time measurement and feedback of bond parameter are to realize the important link of these targets.
Traditional synthesis gas detection, needs gas filtration and decompression, and measures feedback time delay, and traditional
Synthesis gas detects the condition for not being suitable for high temperature and pressure, and data acquisition cannot be real-time.
Therefore it provides a kind of suitable for high temperature and pressure, the real-time for avoiding the delay of measurement feedback time, guaranteeing data acquisition
Synthesis gas component detection device just become technical field technical problem urgently to be solved.
Summary of the invention
The object of the present invention is to which proposition in view of the above problems, provides one kind and is suitable for high temperature and pressure, measurement is avoided to feed back
The synthesis gas component detection device of time delay, the real-time of guarantee data acquisition.
Above-mentioned purpose of the invention reaches by the following technical programs
It is a kind of for high temperature, the synthesis gas component detection device of hyperbaric environment, it is characterised in that: include laser, energy
Detection device, protective device, controller and receive end detector, wherein controller respectively with control computer, output instrument, swash
Light device and reception end detector are connected, and laser is connected with energy testing apparatus, and energy testing apparatus and side are protected
Device is connected, and other side protective device is connected by processing optical path and enhancing chamber with end detector is received.
Preferably, the laser is continuous output laser.
Preferably, the laser is distributed feedback laser.
Preferably, the laser is that distributed feedback laser I, distributed feedback laser II and distributed Feedback swash
Light device III is in parallel.
Preferably, the reception end detector is equipped with photodiode, locking phase amplifying circuit, filter circuit, energy measuring
Device (detector, capture card), the order of connection is followed successively by photodiode connection capture card, before lock-in amplifier connecting laser
End detector and rear end capture card, after filter circuit is located at lock-in amplifier, before capture card.
Preferably, the protective device include with the flange of synthesis gas piping connection, high temperature cushion rubber, quartz glass lamp,
In, flange connects out from main gas conduit, and high temperature cushion rubber is used to be connected to the outlet of flange and main pipeline, quartz glass connection
It on the inside of flange, is wrapped up, is fixed on the inside of flange by high temperature cushion rubber, cushion rubber periphery is the annular metal structure of processing, and material is same
Flange is identical.
Preferably, the controller includes display instrument, temperature control modules and current control module, wherein temperature control
Molding block realizes that environment temperature changes, adjusts optical maser wavelength output, current control module passes through by heating to ambient enviroment heat
The electric current of laser input is adjusted, laser wavelength output is adjusted.
Preferably, the enhancing chamber is made of two pieces of metallic mirrors, is fixed in flange (on the outside of quartz glass), is used
In 2 times or multiple reflections realizing laser path, increase propagation path of light.
The utility model has the advantages that
The synthesis gas component detection device for being used for high temperature, hyperbaric environment of the invention, for the conjunction under high temperature, hyperbaric environment
It works at gas on-line measurement, solves the problems, such as the synthesis gas measurement under high temperature, condition of high voltage, ensure that the real-time of data acquisition
Property, it solves the problems, such as measurement feedback time delay caused by traditional filtering, decompression, improves the adjusting control energy of gasification furnace
Power.
Elaborate with reference to the accompanying drawings and detailed description to the present invention: the present embodiment is with the technology of the present invention side
Implemented under premised on case, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not
It is limited to following embodiments.
Detailed description of the invention
Fig. 1 is the embodiment of the present invention 1 for high temperature, the structural representation of the synthesis gas component detection device of hyperbaric environment
Figure.
Specific embodiment
Embodiment 1
As shown in Figure 1, being the embodiment of the present invention 1 for high temperature, the knot of the synthesis gas component detection device of hyperbaric environment
The synthesis gas component detection device for high temperature, hyperbaric environment of structure schematic diagram, the embodiment of the present invention 1 swashs comprising distributed Feedback
Light device I, distributed feedback laser II, distributed feedback laser III, wavelength regulation and energy testing apparatus, synthesis gas light
Road, protective device, controller, receive end detector, wherein controller respectively with control computer, output instrument, distributed Feedback
Laser I, distributed feedback laser II, distributed feedback laser III, reception end detector are connected, and distributed Feedback swashs
Light device I, distributed feedback laser II and distributed feedback laser III are connected with wavelength regulation and energy testing apparatus, wave
It is long to adjust and energy testing apparatus is connected with side protective device, other side protective device by processing optical path and enhance chamber and
End detector is received to be connected.
It receives end detector and is followed successively by photoelectricity equipped with photodiode, locking phase amplifying circuit and filter circuit, the order of connection
Diode connection capture card, lock-in amplifier connecting laser front-end detector and rear end capture card, filter circuit are located at locking phase
After amplifier, before capture card.
The object wherein detected includes the CO, CO under high temperature, condition of high voltage2, CH4、SO2。
Laser does not refer to distributed feedback laser singly, also refers to the continuous output laser that the function can be achieved.
Protective device include with the flange of synthesis gas piping connection, high temperature cushion rubber, quartz glass lamp flange, high temperature cushion rubber,
Quartz glass lamp, wherein flange connects out from main gas conduit, and high temperature cushion rubber is used to be connected to the outlet of flange and main pipeline,
Quartz glass connection is wrapped up on the inside of flange by high temperature cushion rubber, is fixed on the inside of flange, and cushion rubber periphery is the annular metal of processing
Structure, material are identical with flange.
Controller includes display instrument, temperature control modules, current control module, and wherein temperature control modules pass through change
Environment temperature adjusts optical maser wavelength output, and the electric current that current control module is inputted by adjusting laser adjusts laser wavelength
Output.
Enhancing chamber is made of two pieces of metallic mirrors, is fixed in flange (on the outside of quartz glass), for realizing laser
2 times of path or multiple reflections increase propagation path of light.
The synthesis gas that the present apparatus is directed in synthesis gas output pipe simultaneously is detected, and operator needs to open laser confession
Power supply and control circuit, while comparing laser and opening whether front and back and detector have signal intensity, under blow-on state, detection
The reference signal of device detection has already passed through calibration, after the particular energy signal that detector receives processing optical path demodulation, resolves
The corresponding gas concentration value of detectable signal energy is exported, the synthetic gas density data of output are transferred directly to the DCS system of furnace control.
The synthesis gas multi-analyte immunoassay of apparatus of the present invention utilizes more Distributed Feedback Laser cascaded-outputs, the output wave of each laser
Long and scanning range, which need to be set in advance, (such as measurement methane gas, to be selected wavelength for 1681nm, inputs triangular modulation signal, sweep
It retouches range and is set as ± 1nm).
Protective device is to directly lead out flange-interface on existing pipeline to fix, wherein comprehensively considering liquid level and coal in pipeline
Slag guarantees that detection window range includes the middle part and the above position of pipeline, and wherein high temperature gasket can be secured directly to connection method
Lan Shang.
Various pieces in apparatus of the present invention are respectively arranged depending on the site environment in the two sides of pipeline, wherein laser optical path device
Part guarantees there is certain distance with pipeline.
As shown in this embodiment, firstly, the laser of different wave length passes through energy testing apparatus, energy inspection before being emitted is completed
It surveys；By side protective device, completes to focus and wavelength merges, penetrate in synthesis gas pipeline, directly act on the conjunction in pipeline
At gas；Through other side protective device, the detection light synthesized is received by processing optical path；Controller is received according to real-time processing
The detection optical signal arrived, and adjust laser output in real time according to measurement result；Testing result export in real time to monitoring computer and
Output meter.
Detection of the invention, environment temperature locating for gas are not less than 180 DEG C, and pressure is not less than 3Mpa, wherein laser
Optical maser wavelength may be implemented continuously to export, and quickly positioning and carry out fractional scanning to wavelength absorption peak；Energy testing apparatus
The forward and backward energy variation of synthetic gas is passed through to detection light for realizing；Protective device for guarantee isolation optical device and high temperature,
The gas of high pressure, and guarantee passing through for detection light；Optical path is handled for demodulating detection light beam, and is completed to synthesis gas spectrum
The parsing of measurement result；Controller is used to solve the control to laser, is responsible for the monitoring of pilot process and the display of result.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070447.9A CN109883965A (en) | 2019-01-25 | 2019-01-25 | A synthetic gas component detection device for high temperature and high pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070447.9A CN109883965A (en) | 2019-01-25 | 2019-01-25 | A synthetic gas component detection device for high temperature and high pressure environment |
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| Publication Number | Publication Date |
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| CN109883965A true CN109883965A (en) | 2019-06-14 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1616207A4 (en) * | 2003-03-31 | 2006-08-16 | Zolo Technologies Inc | Method and apparatus for the monitoring and control of combustion |
| CN104237161A (en) * | 2014-10-15 | 2014-12-24 | 中国科学院合肥物质科学研究院 | Multi-component real-time online remote monitoring device and method for coal spontaneous combustion indicator gas |
| CN104568834A (en) * | 2015-01-08 | 2015-04-29 | 天津大学 | TDLAS-based ammonia gas detection experiment system |
| CN106908399A (en) * | 2017-02-09 | 2017-06-30 | 中国航天空气动力技术研究院 | A kind of multi-pass optical measurement compressed tablet for Macker type arc heater |
| CN108106998A (en) * | 2018-01-05 | 2018-06-01 | 王子剑 | Atmosphere pollution detection device and detection method |
| CN108225574A (en) * | 2018-04-18 | 2018-06-29 | 南京科远自动化集团股份有限公司 | A kind of burner hearth temperature detection device using laser detection |
| CN108572159A (en) * | 2018-05-18 | 2018-09-25 | 东北石油大学 | A laser reflective detection device for the content of CO2 and H2O in multiple thermal fluid components |
-
2019
- 2019-01-25 CN CN201910070447.9A patent/CN109883965A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1616207A4 (en) * | 2003-03-31 | 2006-08-16 | Zolo Technologies Inc | Method and apparatus for the monitoring and control of combustion |
| CN104237161A (en) * | 2014-10-15 | 2014-12-24 | 中国科学院合肥物质科学研究院 | Multi-component real-time online remote monitoring device and method for coal spontaneous combustion indicator gas |
| CN104568834A (en) * | 2015-01-08 | 2015-04-29 | 天津大学 | TDLAS-based ammonia gas detection experiment system |
| CN106908399A (en) * | 2017-02-09 | 2017-06-30 | 中国航天空气动力技术研究院 | A kind of multi-pass optical measurement compressed tablet for Macker type arc heater |
| CN108106998A (en) * | 2018-01-05 | 2018-06-01 | 王子剑 | Atmosphere pollution detection device and detection method |
| CN108225574A (en) * | 2018-04-18 | 2018-06-29 | 南京科远自动化集团股份有限公司 | A kind of burner hearth temperature detection device using laser detection |
| CN108572159A (en) * | 2018-05-18 | 2018-09-25 | 东北石油大学 | A laser reflective detection device for the content of CO2 and H2O in multiple thermal fluid components |
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