CN108398396A - A kind of double light path high temperature lighting apparatus components of ultraviolet reflectance formula - Google Patents
A kind of double light path high temperature lighting apparatus components of ultraviolet reflectance formula Download PDFInfo
- Publication number
- CN108398396A CN108398396A CN201810167930.4A CN201810167930A CN108398396A CN 108398396 A CN108398396 A CN 108398396A CN 201810167930 A CN201810167930 A CN 201810167930A CN 108398396 A CN108398396 A CN 108398396A
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- Prior art keywords
- ultraviolet
- high temperature
- group
- emission
- temperature gas
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- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 229910052805 deuterium Inorganic materials 0.000 claims description 18
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 16
- 239000013307 optical fiber Substances 0.000 claims description 3
- 230000008707 rearrangement Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000002211 ultraviolet spectrum Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 241001465805 Nymphalidae Species 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The present invention provides a kind of double light path high temperature lighting apparatus components of ultraviolet reflectance formula, realize the double light paths work of analyzer ultraviolet spectra, laser, while using laser measurement moisture, particularly suitable for high temperature, high humidity, low emission operating mode, in real time, accurately.It includes High Temperature Gas pond, ultraviolet emission group and ultraviolet reception group, further includes Laser emission/reception group, heating component;The ultraviolet emission group, ultraviolet reception group, Laser emission/reception group are respectively positioned on the homonymy in High Temperature Gas pond, and total reflection mirror is installed in the High Temperature Gas pond other side;Laser emission/reception group is mounted on the center of High Temperature Gas pond end, ultraviolet emission group and ultraviolet reception group are mounted on the outside of Laser emission/reception group by outer box, ultraviolet emission group and ultraviolet reception group are obliquely installed, and transmitting light is made symmetrically to be met on total reflection mirror minute surface with light is received;The heating rod of heating component is set to the outer surface in High Temperature Gas pond, and overcoating thermal insulation separation hot jacket.
Description
Technical field
The invention belongs to flue gas analysis field, it is related to a kind of double light path high temperature lighting apparatus components of ultraviolet reflectance formula, realizes point
Analyzer ultraviolet spectra(200nm-400nm), laser(1512nm)The work of double light paths, while laser measurement moisture is used, solution
It works under existing instrument room temperature, because water vapor absorption and interference etc. cause measurement data inaccurate, especially minimum discharge ingredient
When concentration is low, most of instrument no data or there is negative, be more suitable for high temperature, high humidity, low emission operating mode, in real time, it is accurate,
Truly reflect concentration of component in flue gas.
Background technology
Minimum discharge refers to coal fired boiler of power plant durings generator operation, end treatment etc., using multiple pollutant
Efficient cooperation-removal technology Based on Integrate System, makes its Air Pollutant Emission concentration substantially conform to Gas Generator Set emission limit, i.e. cigarette
Dirt, sulfur dioxide, discharged nitrous oxides concentration (benchmark oxygen content 6%) are no more than 10 mg/m3,35 mg/m3,50 mg/m respectively
³.In order to real-time, accurate.Concentration of component in true reflection flue gas excludes to cause measurement data not because of water vapor absorption and interference etc.
Accurately, it is necessary to be detected under flue gas reset condition, that is, high temperature and humidity operating mode.
Thus it is necessary to be improved to existing high temperature optical-mechanical system.
Invention content
The technical problem to be solved by the present invention is to provide a kind of a kind of purples simple and compact for structure, installation and adjustment are easy to operate
Outside, the double light path high temperature lighting apparatus components of laser reflection type.
The specific technical solution of the present invention is as follows:
A kind of double light path high temperature ray machines of ultraviolet reflectance formula, including High Temperature Gas pond, ultraviolet emission group and ultraviolet reception group, further include swashing
Light emitting/reception group, heating component;The ultraviolet emission group, ultraviolet reception group, Laser emission/reception group are respectively positioned on High Temperature Gas
Total reflection mirror is installed in the homonymy in pond, the High Temperature Gas pond other side;Laser emission/reception group is mounted on the centre bit of High Temperature Gas pond end
It sets, ultraviolet emission group and ultraviolet reception group are mounted on the outside of Laser emission/reception group by outer box, ultraviolet emission group and ultraviolet
Reception group is obliquely installed, and transmitting light is made symmetrically to be met on total reflection mirror minute surface with light is received(Form omnidirectional distribution);Heating component
Heating rod be set to the outer surface in High Temperature Gas pond, and overcoating thermal insulation separation hot jacket.
The further design of the present invention is:
Ultraviolet emission group includes light source and collimation group, and light source includes deuterium lamp and deuterium lamp holder;Collimation group includes lens group and frame, standard
The diverging light that deuterium lamp is sent out is collimated into directional light by straight group by lens group, and is directly entered High Temperature Gas pond;Ultraviolet reception group packet
It includes receiving lens group and receives microscope base, for converging and coupling the ultraviolet directional light for passing twice through the outgoing of High Temperature Gas pond after reflection
It is transferred to spectrometer into optical fiber.
Have fine-tuning screw thread pair on ultraviolet emission group flange, and can self-locking, it can be achieved that the adjusting of ultraviolet emission group, fixed
Position and fixation.
It is described to be additionally provided with temperature sensor and controller, temperature sensor for measuring High Temperature Gas pond temperature, heating rod and
Temperature sensor is connect with temperature controller.
There are two through-hole on the High Temperature Gas pond, the disengaging for being measured gas.
The Laser emission/reception group include lens, telescope three-dimensional fine-tuning bed rearrangement, lens and telescope pass through three-dimensional fine-tuning
Mechanism is assemblied on the cover board of High Temperature Gas pond end.
The heating rod of heating component is arranged two groups or multigroup, and implementation is evenly heated High Temperature Gas pond.
The present invention has the following technical effect that:
1. the double light path high temperature ray machines of ultraviolet reflectance formula of the present invention, ultraviolet to be worked at the same time with laser, 90 degree are mutually, is not done mutually
It disturbs, realizes the double light paths of analyzer ultraviolet spectra, laser and work at the same time.
2. the present invention simultaneously use laser measurement moisture, solve and work under existing instrument room temperature, because water vapor absorption with
Interference etc. causes measurement data inaccurate, when especially minimum discharge constituent concentration is low, most of instrument no data or bears
Number, particularly suitable for high temperature, high humidity, low emission operating mode, in real time, it is accurate, truly reflect concentration of component in flue gas.
3. the present invention is measured by steam, it is high that current high temperature can be well suited for the compensation and amendment of other components
Wet, minimum discharge operating mode measurement analysis.
Description of the drawings
Fig. 1 is the structural schematic diagram that the double light path high temperature lighting apparatus components of one ultraviolet reflectance formula of inventive embodiments are implemented;
Fig. 2 is the structural schematic diagram of ultraviolet emission group of the present invention;
Fig. 3 is the structural schematic diagram of the ultraviolet reception group of the present invention;
Fig. 4 is the structural schematic diagram of Infrared laser emission/receiving unit of the present invention;
Fig. 5 is High Temperature Gas pond group structural schematic diagram of the present invention.
In figure:101- ultraviolet emission groups;The ultraviolet reception groups of 102-;103 or 104 Laser emissions/reception group;105- outer box;
106- High Temperature Gas pond group;201- deuterium lamps;202- deuterium lamp holders;203- collimates microscope group;301- receiving lens groups;302- receives microscope base;
601- pond bodies;602- heating rods;603- thermal insulation separation hot jackets.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings:
Embodiment one:
As shown in Figure 1, the present invention provides a kind of double light path high temperature lighting apparatus components of ultraviolet reflectance formula to include:Ultraviolet emission group 101,
Ultraviolet reception group 102, Laser emission/reception group (103,104), outer box 105, High Temperature Gas pond group 106 etc..
Ultraviolet emission group 101, ultraviolet reception group 102, Laser emission/reception group are respectively positioned on the homonymy in High Temperature Gas pond 106, high
106 other side of wet pond is installed by total reflection mirror.Laser emission/reception group is mounted on the center of High Temperature Gas pond end, ultraviolet
Transmitting group 101 and ultraviolet reception group 102 are mounted on the outside of Laser emission/reception group, ultraviolet emission group and purple by outer box 105
Outer reception group relative tilt setting, makes transmitting light symmetrically be met on total reflection mirror minute surface with light is received, and forms omnidirectional distribution.It is ultraviolet
Light is not interfere with each other with laser.The heating rod of heating component is set to the outer surface in High Temperature Gas pond, and overcoating thermal insulation separation hot jacket, is used for
It heats in gas pond.
As shown in Fig. 2, ultraviolet emission group includes deuterium lamp 201, deuterium lamp holder 202, collimation microscope group 203.Deuterium lamp passes through flange seat
It is fixed on deuterium lamp launching seat, there is the screw hole of fixed deuterium lamp flange on deuterium lamp launching seat, can realize the precise positioning to deuterium lamp,
Ensure that deuterium lamp is operated in optimum state again simultaneously.It includes lens group, frame, the ultraviolet divergence for sending out deuterium lamp to collimate microscope group
Light is collimated into directional light;Lens group is by JGS1 and CAF2Two kinds of optimization of material design, and directly export ultraviolet light to deuterium lamp
It is collimated, parallel and entrance High Temperature Gas pond.
As shown in figure 3, ultraviolet reception group includes receiving lens group 301, receive microscope base 302, receive have on microscope base directly with
The thread head of fiber alignment.The ultraviolet directional light that the outgoing of High Temperature Gas pond is passed twice through after reflection is converged and is coupled by ultraviolet reception group
It is transferred to spectrometer into optical fiber.
As shown in figure 4, Laser emission/reception group is made of lens, telescope, three-dimensional fine-tuning bed rearrangement.
As shown in figure 5, High Temperature Gas pond group includes pond body 601, air inlet pipe/escape pipe.Heating component includes 602 He of heating rod
Thermal insulation separation hot jacket 603.Particularly preferred 316 stainless steel of corrosion-resistant and elevated temperature strength of pond body 601, gas pond inner wall surface finishing with
It is smooth after grinding, in favor of measuring gas flowing and reducing adsorption.Two through-holes of pond body, pass through air inlet pipe/outlet
Pipe connects measured gas.
Embodiment two:
In order to realize that the control to lighting apparatus component temperature, the present apparatus are additionally provided with temperature sensor and controller, heating rod heating is high
Wet pond, temperature sensor is for measuring High Temperature Gas pond temperature, and temperature controller is connect with heating rod and temperature sensor, for implementing
To the computer heating control in High Temperature Gas pond.
Embodiment three:
For homogeneous heating, the heating rod of heating component is arranged four groups, is evenly arranged in the surface in High Temperature Gas pond, and pass through heat preservation
Collet package heat preservation.
Claims (7)
1. a kind of double light path high temperature ray machines of ultraviolet reflectance formula, including High Temperature Gas pond, ultraviolet emission group and ultraviolet reception group, feature
It is:Further include Laser emission/reception group, heating component;The ultraviolet emission group, ultraviolet reception group, Laser emission/reception group are equal
Total reflection mirror is installed in homonymy positioned at High Temperature Gas pond, the High Temperature Gas pond other side;Laser emission/reception group is mounted on High Temperature Gas pond end
The center in portion, ultraviolet emission group and ultraviolet reception group are mounted on the outside of Laser emission/reception group, ultraviolet hair by outer box
It penetrates group and ultraviolet reception group is obliquely installed, transmitting light is made symmetrically to be met on total reflection mirror minute surface with light is received;Heating component adds
Hot pin is set to the outer surface in High Temperature Gas pond, and overcoating thermal insulation separation hot jacket.
2. the double light path high temperature ray machines of ultraviolet reflectance formula according to claim 1, it is characterized in that:Ultraviolet emission group include light source with
Collimation group, light source include deuterium lamp and deuterium lamp holder;Collimation group includes lens group and frame, and collimation group is sent out deuterium lamp by lens group
Diverging light be collimated into directional light, and be directly entered High Temperature Gas pond;Ultraviolet reception group includes receiving lens group and receives microscope base, is used
It converges in the ultraviolet directional light that will pass twice through the outgoing of High Temperature Gas pond after reflection and is coupled into optical fiber and be transferred to spectrometer.
3. the double light path high temperature ray machines of ultraviolet reflectance formula according to claim 2, it is characterized in that:Having on ultraviolet emission group flange can
The screw thread pair of fine tuning, for the adjusting, positioning and fixation to ultraviolet emission group.
4. according to the double light path high temperature ray machines of the ultraviolet reflectance formula of claim 1,2 or 3, it is characterized in that:It is described to be additionally provided with temperature
Sensor and controller, for measuring High Temperature Gas pond temperature, heating rod and temperature sensor are connect temperature sensor with temperature controller.
5. according to the double light path high temperature ray machines of the ultraviolet reflectance formula of claim 1,2 or 3, it is characterized in that:On the High Temperature Gas pond
There are two through-hole, the disengaging for being measured gas.
6. the double light path high temperature ray machines of ultraviolet reflectance formula according to claim 5, it is characterized in that:The Laser emission/reception group
Three-dimensional fine-tuning bed rearrangement including lens, telescope, lens and telescope are assemblied in the lid of High Temperature Gas pond end by three-dimensional fine-tuning mechanism
On plate.
7. the double light path high temperature ray machines of ultraviolet reflectance formula according to claim 5, it is characterized in that:The heating rod of heating component is arranged
Four groups, it is evenly arranged in the surface in High Temperature Gas pond, and wrap up and keeping the temperature by thermal insulation separation hot jacket.
Priority Applications (1)
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CN201810167930.4A CN108398396B (en) | 2018-02-28 | 2018-02-28 | Ultraviolet reflection type double-optical-path high-temperature optical-mechanical assembly |
Applications Claiming Priority (1)
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CN201810167930.4A CN108398396B (en) | 2018-02-28 | 2018-02-28 | Ultraviolet reflection type double-optical-path high-temperature optical-mechanical assembly |
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CN108398396A true CN108398396A (en) | 2018-08-14 |
CN108398396B CN108398396B (en) | 2021-04-09 |
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CN201810167930.4A Active CN108398396B (en) | 2018-02-28 | 2018-02-28 | Ultraviolet reflection type double-optical-path high-temperature optical-mechanical assembly |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5512757A (en) * | 1992-04-06 | 1996-04-30 | Rosemount Analytical, Inc. | Spectrophotometer and optical system therefor |
CN203798723U (en) * | 2014-04-23 | 2014-08-27 | 南京国电环保科技有限公司 | Smoke concentration analysis meter optical-mechanical system with deuterium lamp fine adjustment mechanism |
CN104483270A (en) * | 2014-12-19 | 2015-04-01 | 重庆川仪自动化股份有限公司 | Gas cell of ultraviolet differential analyzer |
CN104568836A (en) * | 2015-01-26 | 2015-04-29 | 南京国电环保科技有限公司 | Low-concentration and multi-component gas detection method based on integration of multiple spectrum technologies |
CN105067546A (en) * | 2015-08-21 | 2015-11-18 | 南京国电环保科技有限公司 | High-temperature multispectral coupling optical-mechanical system |
CN106290209A (en) * | 2016-08-04 | 2017-01-04 | 安徽蓝盾光电子股份有限公司 | A kind of minimum discharge flue gas analyzer based on ultraviolet multiple reflections pool technology |
CN206710299U (en) * | 2017-04-22 | 2017-12-05 | 杭州春来科技有限公司 | A kind of return gas compartment in former road based on ultraviolet difference absorption spectroscopy techniques |
CN207007697U (en) * | 2017-07-06 | 2018-02-13 | 天津市圣威科技发展有限公司 | A kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device |
-
2018
- 2018-02-28 CN CN201810167930.4A patent/CN108398396B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5512757A (en) * | 1992-04-06 | 1996-04-30 | Rosemount Analytical, Inc. | Spectrophotometer and optical system therefor |
CN203798723U (en) * | 2014-04-23 | 2014-08-27 | 南京国电环保科技有限公司 | Smoke concentration analysis meter optical-mechanical system with deuterium lamp fine adjustment mechanism |
CN104483270A (en) * | 2014-12-19 | 2015-04-01 | 重庆川仪自动化股份有限公司 | Gas cell of ultraviolet differential analyzer |
CN104568836A (en) * | 2015-01-26 | 2015-04-29 | 南京国电环保科技有限公司 | Low-concentration and multi-component gas detection method based on integration of multiple spectrum technologies |
CN105067546A (en) * | 2015-08-21 | 2015-11-18 | 南京国电环保科技有限公司 | High-temperature multispectral coupling optical-mechanical system |
CN106290209A (en) * | 2016-08-04 | 2017-01-04 | 安徽蓝盾光电子股份有限公司 | A kind of minimum discharge flue gas analyzer based on ultraviolet multiple reflections pool technology |
CN206710299U (en) * | 2017-04-22 | 2017-12-05 | 杭州春来科技有限公司 | A kind of return gas compartment in former road based on ultraviolet difference absorption spectroscopy techniques |
CN207007697U (en) * | 2017-07-06 | 2018-02-13 | 天津市圣威科技发展有限公司 | A kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device |
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