CN106353232A - On-line analyzer of organic and elemental carbon through thermophotometry - Google Patents
On-line analyzer of organic and elemental carbon through thermophotometry Download PDFInfo
- Publication number
- CN106353232A CN106353232A CN201611038226.6A CN201611038226A CN106353232A CN 106353232 A CN106353232 A CN 106353232A CN 201611038226 A CN201611038226 A CN 201611038226A CN 106353232 A CN106353232 A CN 106353232A
- Authority
- CN
- China
- Prior art keywords
- furnace
- reacting furnace
- thermophotometry
- air inlet
- line analyzer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 51
- 238000000946 thermophotometry Methods 0.000 title claims abstract description 18
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 40
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 230000003647 oxidation Effects 0.000 claims description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- 239000012159 carrier gas Substances 0.000 claims description 25
- 239000010453 quartz Substances 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000003708 ampul Substances 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000013618 particulate matter Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010606 normalization Methods 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 11
- 238000012544 monitoring process Methods 0.000 description 9
- 239000005427 atmospheric aerosol Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009897 systematic effect Effects 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- JGGQNNZJVBRCRP-UHFFFAOYSA-N OC(=O)O.[C] Chemical compound OC(=O)O.[C] JGGQNNZJVBRCRP-UHFFFAOYSA-N 0.000 description 1
- 208000018569 Respiratory Tract disease Diseases 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 229940003953 helium / oxygen Drugs 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
- G01N15/0625—Optical scan of the deposits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an on-line analyzer of organic and elemental carbon through thermophotometry. The on-line analyzer comprises an instrument protection shell, wherein a laser assembly, a gas carrying pipeline, an air inlet and outlet pipe and a furnace body are arranged in the instrument protection shell; the furnace body comprises a reaction furnace and an oxidization furnace, wherein the reaction furnace and the oxidization furnace are of an integral structure. An OC (Organic Carbon)/EC (Element Carbon) monitor and a sampling system thereof are jointly used, PM (Particulate Matter) 2.5 of any time span can be collected, and an OC concentration numerical value, an EC concentration numerical value and a TC (Total Carbon) concentration numerical value in the particulate matter can be analyzed through a photothermal method. Meanwhile, a system uses laser to monitor the absorbancy change of the particulate matter on a sample membrane, and a thermophotometry OC concentration numerical value and a thermophotometry EC concentration numerical value can be obtained. The system uses a quantitative loop to carry out normalization processing on all data, system errors are reduced, and data reliability is improved.
Description
Technical field
The present invention relates to environment measuring instrument technical field, more particularly, to a kind of thermophotometry organic carbon elemental carbon on-line analyses
Instrument.
Background technology
Atmospheric aerosol is suspended in solid-state in air and the general name of liquid particles thing, the carbonaceous group in atmospheric aerosol
Divide and generally account for the 10～70% of Fine Particles mass concentration, be the important composition composition of Fine Particles.It can be divided into 3 big
Class: organic carbon oc, elemental carbon ec and carbonic acid carbon cc.
At present get more and more people all think ec for global warming effect clearly, ec can absorb from infrared to purple
Full wave light outward, accelerates the earth to heat up, and ec can deepen the color of particulate matter, so that some originally radiation is not absorbed or
Person absorbs less material and also light can be produced and absorbs, and increased the Radiative Forcing of particulate matter, reduces atmospheric visibility.Gas is molten
Oc in glue also can play scattering process to light, greatly have impact on the visibility of regional atmospheric.The main constituents of pm2.5 it
Once organic carbon oc and elemental carbon ec.
Because the atmospheric aerosol carbonaceous components overwhelming majority is present in fine particle (0.1～1 μm) it is thus possible to be easy to
Enter the pulmonary of human body by the Repiration of human body, destroy the 26S Proteasome Structure and Function changing lung, cause chronic respiratory tract disease, very
To the structure that can change dna.
Because the carbonaceous components in atmospheric aerosol destroy radiation balance of earth, impact global climate, reduce city visibility,
Harm human health, is the primary study content in atmospheric aerosol field, it has also become the focus of current environmental monitoring.
At present, the research to atmospheric aerosol carbonaceous components (oc/ec), mainly adopts two methods: film sampling+offline point
Analysis and online oc/ec monitoring.But, the data time resolution being obtained by traditional film sampling+off-line analysiss method is low,
It is difficult to reflect the information of characteristics of atmospheric aerosol change in the short period, and be readily incorporated artificial disturbance, hence with online
Oc/ec analyser become the trend of application.
But online oc/ec analyser relatively costly it is difficult to carry out popularization and application at home, therefore, in order to more
Well, more easily obtain Monitoring Data, more clearly understand the aerocolloidal pollution situation of China, be control atmosphere pollution, change
Kind air quality provides to be supported, in the urgent need to the on-line analysis system of a kind of aerosol monitoring of suitable China and research.
Content of the invention
The technical problem to be solved is to provide a kind of low cost, it is to avoid damage in heating volatilization process for the sample
Lose, sample can be completely detected, reduce systematic error, a kind of thermophotometry organic carbon elemental carbon improving data reliability exists
Line analysis instrument.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of thermophotometry organic carbon elemental carbon in-line analyzer, including protection of instrumentation shell, protection of instrumentation inside the shell is provided with
Laser module, carrier gas channel, air inlet and outlet piping and body of heater, the outer wall of described protection of instrumentation shell is provided with multiple external connection end
Mouthful, external-connected port include air intlet and air outlet slit it is characterised in that: described body of heater includes reacting furnace and oxidation furnace, described
Reacting furnace and oxidation furnace are integral type structure, all located at body of heater inside the shell, are provided with insulated wall between reacting furnace and oxidation furnace, insulation
Body of heater shell inner cavity is divided into two chambers by wall, and reacting furnace is vertically arranged with insulated wall, and oxidation furnace is be arranged in parallel with insulated wall, instead
The postmedian of stove and the front end UNICOM of oxidation furnace, the rear end of reacting furnace and front end is answered to all extend to outside body of heater shell；Described laser
Assembly includes generating laser, photoelectric detector, sealing optical window and quartz filter, and described generating laser is after reacting furnace
End is outer, and outside the front end of reacting furnace, sealing optical window, in the rear end of reacting furnace and oxidation furnace UNICOM, seals photoelectric detector
Reacting furnace is intercepted into enclosed construction with the rear end of oxidation furnace UNICOM by optical window, and quartz filter is in reacting furnace front end；Described
Air inlet and outlet piping includes air inlet pipe and escape pipe, and air inlet pipe one end connects air intlet, the entrance of other end coupled reaction stove,
Described air inlet pipe is provided with sampling valve；Described escape pipe one end connects air outlet slit, and the other end connects isolating valve, described isolating valve
Connection valve road switched system, escape pipe is provided with sampling flow transducer and sampling flow control valve；Described carrier gas channel includes
Carrier gas air inlet pipe, described carrier gas air inlet pipe one end coupled reaction stove, is integral type structure with reacting furnace, and other end connection valve road is cut
Change system, the carrier gas air inlet on described reacting furnace is located at quartz filter rear；The outlet connecting detection device of described oxidation furnace.
Further technical scheme is: described body of heater side is provided with blower fan.
Further technical scheme is: described quartz filter is arranged in reacting furnace by quartz ampoule.
Further technical scheme is: described carrier gas air inlet pipe and reacting furnace junction are provided with temperature and survey joint, and temperature is surveyed and connect
Head is provided with temperature sensor.
Further technical scheme is: described body of heater outer casing inner wall is provided with heat-insulation layer.
Further technical scheme is: described oxidation furnace and reacting furnace intracavity diameter ratio is for 4:3, oxidation furnace place chamber
Depth ratio with reacting furnace place chamber is 1:1.
Further technical scheme is: the pipeline between described oxidation furnace and detector is provided with detector control valve.
Further technical scheme is: the outlet of described oxidation furnace connects sample breather by joint, and sample is ventilated
Pipe connecting detection device.
Further technical scheme is: described valve road switched system includes carrier gas control valve, demarcates gas control valve, oxygen
Control valve.
Have the beneficial effects that using produced by technique scheme:
Oc/ec monitor is used in conjunction with its sampling system, achievable random time length pm2.5 particulate collection, and
Organic carbon in particulate matter (oc) concentration values, elemental carbon (ec) concentration values, total carbon (tc) concentration are analyzed by light full-boiled process
Numerical value, simultaneity factor uses particulate matter absorbance change on laser monitoring sample film, also can obtain light method organic carbon (oc) concentration
Numerical value and elemental carbon (ec) concentration values.System is normalized to all data using quantitative loop, reduces systematic error,
Improve data reliability, its numerical value can be used in conjunction with other Monitoring Data, carries out pm2.5 environmental monitoring polluter data source solution
Analysis, also can be connected with other system, for carbon analysis.
And reacting furnace is located at integrative-structure, it is to avoid loss in heating volatilization process for the sample, can completely detect
To sample, reduce systematic error, improve data reliability.Preferably, more easily can obtain Monitoring Data, more clearly
The aerocolloidal pollution situation of solution China, for control atmosphere pollution, improves air quality offer support.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the cross-sectional view that the present invention protects shell.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Elaborate a lot of details in the following description in order to fully understand the present invention, but the present invention is acceptable
To be implemented different from alternate manner described here using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As illustrated in fig. 1 and 2, a kind of thermophotometry organic carbon elemental carbon in-line analyzer, including protection of instrumentation shell 100, instrument
It is provided with laser module, carrier gas channel, air inlet and outlet piping and body of heater 10, described protection of instrumentation shell 100 in device protection shell 100
Outer wall be provided with multiple external-connected ports, external-connected port includes air intlet and air outlet slit, and described body of heater 10 includes reacting furnace
11 and oxidation furnace 12, described reacting furnace 11 and oxidation furnace 12 are integral type structure, all located at body of heater inside the shell, reacting furnace 11 and oxygen
Change and be provided with insulated wall 16 between stove 12, body of heater shell inner cavity is divided into two chambers, reacting furnace 11 and insulated wall 16 by insulated wall 16
It is vertically arranged, oxidation furnace 12 is be arranged in parallel with insulated wall 16, the front end UNICOM of the postmedian of reacting furnace 11 and oxidation furnace 12, reaction
The rear end of stove 11 and front end all extend to outside body of heater shell；Described laser module include generating laser 41, photoelectric detector 42,
Sealing optical window 43 and quartz filter, outside the rear end of reacting furnace 11, photoelectric detector 42 is located at anti-for described generating laser 41
Answer outside the front end of stove 11, in the rear end of reacting furnace 11 and oxidation furnace 12 UNICOM, sealing optical window 42 will react sealing optical window 43
Stove 11 intercepts into enclosed construction with the rear end of oxidation furnace 12 UNICOM, and quartz filter is in reacting furnace 11 front end；Described air
Inlet and outlet piping includes air inlet pipe 21 and escape pipe, and air inlet pipe 21 one end connects air intlet, the entering of other end coupled reaction stove 11
Mouthful, described air inlet pipe 21 is provided with sampling valve 22；Described escape pipe one end connects air outlet slit, and the other end connects isolating valve 31,
Described isolating valve 31 connection valve road switched system 70, escape pipe is provided with sampling flow transducer 32 and sampling flow control valve
33；Described carrier gas channel includes carrier gas air inlet pipe, described carrier gas air inlet pipe one end coupled reaction stove 11, is integrated with reacting furnace 11
Formula structure, other end connection valve road switched system 70, the carrier gas air inlet on described reacting furnace 11 is located at quartz filter rear；Institute
State the outlet connecting detection device 200 of oxidation furnace 12.Reacting furnace 11, oxidation furnace 12 and carrier gas air inlet pipe are quartz ampoule, and carrier gas is entered
An entirety made by way of heat fusion by trachea and reacting furnace 11, and sealing optical window 43 is identical with quartz ampoule material.
Wherein, body of heater 10 side is provided with blower fan 60, and all-in-one oven is lowered the temperature, and blower fan 60 includes fan and drives fan rotation
The motor turning.
Quartz filter pushes in reacting furnace 11 by quartz ampoule 23, until the stepped locations arranging in reacting furnace, so
Afterwards using Teflon ferrule fitting sealed silica envelope.Quartz filter can repeated multiple times use, and can be entered by dismantling quartz ampoule 23
Row is changed.
Carrier gas air inlet pipe and reacting furnace 11 junction are provided with temperature and survey joint 14, and temperature is surveyed joint 14 and is provided with temperature sensor,
Temperature sensor is used for real-time monitoring sample film temperature, thus controlling the accurate temperature of each gradient of heating schedule.
Oxidation furnace 12 and reacting furnace 11 intracavity diameter ratio is for 4:3, oxidation furnace 12 place chamber and reacting furnace 11 place chamber
Depth ratio be 1:1.
Pipeline between oxidation furnace 12 and detector is provided with detector control valve 15, and joint is passed through in the outlet of oxidation furnace 12
13 connection sample breathers, sample breather connecting detection device 200.
Valve road switched system 70 include carrier gas control valve, demarcate gas control valve, oxygen control valve, carrier gas control solenoid,
First demarcates gas solenoid, the second demarcation gas solenoid and forehearth solenoid.
The work process of the present invention is divided into sampling and analysis two parts.
Sampling: sample gas is entered by entrance, by sampling valve 22, through reacting furnace 11, by the quartz filter in reacting furnace 11
Particulate matter in sample gas is caught, gas subsequently passes through valve road switched system 70, flows through isolating valve 31, then is passed by sampling flow
Sensor 32 and sampling flow control valve 33 flow out.Sampling flow transducer 32 and sampling flow control valve 33 control gas during sampling
Body flow.
During analysis: sampling valve 22 cuts out, reacting furnace start program controls heating, and simultaneously each road-load gas passes through valve road switching system
System 70 is passed through reacting furnace, oc and ec in particulate matter is changed into detectable gas co respectively2, flow out from oxidation furnace 12, flow through
Detector control valve 15, enters into detector and is analyzed.
During sampling and analysis, all carry out optical detection.Wherein generating laser 41 sends HONGGUANG, by reacting furnace
11 and quartz filter after by photoelectric detector 42 receive switch to the suction mainly for detection of particulate matter on filter membrane for this signal of the signal of telecommunication
Luminosity, signal higher explanation absorbance is less, and the carbon content of filter membrane is lower；Signal lower explanation carbon content is higher.In addition also use
This signal determines the cut-point of organic carbon and elemental carbon.
The operation principle of the present invention is to put into the quartz filter of collection particulate matter in quartzy stove (quartz oven),
Gradually heat up in non-oxide (he) environment of helium, cause oc to be heated volatilization (also having part oc to be carbonized during being somebody's turn to do)；This
Sample is in helium/oxygen mixture (he/o afterwards2) gradually heat up in environment, should during ec is oxidized is decomposed into gaseous oxidation
Thing.In this two steps, produced analyte all flow to non-dispersion infrared detector (ndir) detection by quantitative with carrier gas.?
Quantitative he/ch is added after completing sample analysis4Gas is calibrated, the he/ch of quantitation4It is used for calibrating, i.e. great signal
Peak corresponds to how many carbon contents, thus obtaining the carbon content on sample filter membrane.Beam of laser is had to impinge upon quartz film in whole process
On, laser center wavelength 660nm, so in oc carbonization, the intensity of the transmitted light (or reflected light) of this laser can gradually weaken,
And switch to he/o in he2Heat, the transmitted light (or reflected light) with this laser of oxidation Decomposition of carbonization and ec can be by simultaneously
Cumulative strong.When the intensity of transmitted light (or reflected light) returns to beginning intensity, this moment is referred to as oc/ec cut-point, that is,
Detect before this moment, oc when being just defined as initial for the carbon amounts, and the carbon amounts detecting thereafter then corresponds to initial ec.
The above is only presently preferred embodiments of the present invention, anyone according to present disclosure the present invention is made a little
Simple modification, deformation and equivalent each fall within protection scope of the present invention.
Claims (9)
1. a kind of thermophotometry organic carbon elemental carbon in-line analyzer, including protection of instrumentation shell (100), protection of instrumentation shell
(100) it is provided with laser module, carrier gas channel, air inlet and outlet piping and body of heater (10) in, outside described protection of instrumentation shell (100)
Wall is provided with multiple external-connected ports, external-connected port include air intlet and air outlet slit it is characterised in that:
Described body of heater (10) includes reacting furnace (11) and oxidation furnace (12), and described reacting furnace (11) and oxidation furnace (12) are integral type
Structure, all located at body of heater inside the shell, is provided with insulated wall (16) between reacting furnace (11) and oxidation furnace (12), insulated wall (16) is by stove
Body case inner chamber is divided into two chambers, and reacting furnace (11) is vertically arranged with insulated wall (16), oxidation furnace (12) and insulated wall (16)
It is arranged in parallel, the front end UNICOM of the postmedian of reacting furnace (11) and oxidation furnace (12), the rear end of reacting furnace (11) and front end are all prolonged
Extend outside body of heater shell；
Described laser module includes generating laser (41), photoelectric detector (42), sealing optical window (43) and quartz filter, described
, outside the rear end of reacting furnace (11), photoelectric detector (42) is outside the front end of reacting furnace (11), close for generating laser (41)
, in the rear end of reacting furnace (11) and oxidation furnace (12) UNICOM, sealing optical window (42) is by reacting furnace (11) and oxygen for envelope optical window (43)
The rear end changing stove (12) UNICOM intercepts into enclosed construction, and quartz filter is in reacting furnace (11) front end；
Described air inlet and outlet piping includes air inlet pipe (21) and escape pipe, and air inlet pipe (21) one end connects air intlet, the other end
The entrance of coupled reaction stove (11), described air inlet pipe (21) is provided with sampling valve (22)；Described escape pipe one end connects air and goes out
Mouthful, the other end connects isolating valve (31), described isolating valve (31) connection valve road switched system (70), and escape pipe is provided with sample streams
Quantity sensor (32) and sampling flow control valve (33)；
Described carrier gas channel includes carrier gas air inlet pipe, and described carrier gas air inlet pipe one end coupled reaction stove (11), with reacting furnace (11)
For integral type structure, other end connection valve road switched system (70), the carrier gas air inlet on described reacting furnace (11) is located at quartz
Filter membrane rear；
Outlet connecting detection device (200) of described oxidation furnace (12).
2. a kind of thermophotometry organic carbon elemental carbon in-line analyzer according to claim 1 it is characterised in that: described body of heater
(10) side is provided with blower fan (60).
3. a kind of thermophotometry organic carbon elemental carbon in-line analyzer according to claim 1 it is characterised in that: described quartz
Filter membrane is arranged in reacting furnace (11) by quartz ampoule (23).
4. a kind of thermophotometry organic carbon elemental carbon in-line analyzer according to claim 1 it is characterised in that: described carrier gas
Air inlet pipe and reacting furnace (11) junction are provided with temperature and survey joint (14), and temperature is surveyed joint (14) and is provided with temperature sensor.
5. a kind of thermophotometry organic carbon elemental carbon in-line analyzer according to claim 1 it is characterised in that: described body of heater
Outer casing inner wall is provided with heat-insulation layer.
6. a kind of thermophotometry organic carbon elemental carbon in-line analyzer according to claim 1 it is characterised in that: described oxidation
Stove (12) and reacting furnace (11) intracavity diameter ratio for 4:3, the depth of oxidation furnace (12) place chamber and reacting furnace (11) place chamber
Degree ratio is 1:1.
7. a kind of thermophotometry organic carbon elemental carbon in-line analyzer according to claim 1 it is characterised in that: described oxidation
Pipeline and detector between for the stove (12) is provided with detector control valve (15).
8. a kind of thermophotometry organic carbon elemental carbon in-line analyzer according to claim 1 it is characterised in that: described oxidation
The outlet of stove (12) connects sample breather, sample breather connecting detection device by joint (13).
9. a kind of thermophotometry organic carbon elemental carbon in-line analyzer according to claim 1 it is characterised in that: described valve road
Switched system (70) includes carrier gas control valve, demarcates gas control valve, oxygen control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038226.6A CN106353232A (en) | 2016-11-23 | 2016-11-23 | On-line analyzer of organic and elemental carbon through thermophotometry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038226.6A CN106353232A (en) | 2016-11-23 | 2016-11-23 | On-line analyzer of organic and elemental carbon through thermophotometry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106353232A true CN106353232A (en) | 2017-01-25 |
Family
ID=57861971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611038226.6A Pending CN106353232A (en) | 2016-11-23 | 2016-11-23 | On-line analyzer of organic and elemental carbon through thermophotometry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106353232A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031451A (en) * | 2019-03-29 | 2019-07-19 | 天津双允环保科技有限公司 | A kind of binary channels OCEC in-line analyzer |
| CN110530764A (en) * | 2019-10-15 | 2019-12-03 | 北京大学深圳研究生院 | The stable isotope determination method of organic carbon and elemental carbon in PM2.5 |
| CN111089823A (en) * | 2019-12-31 | 2020-05-01 | 聚光科技(杭州)股份有限公司 | OCEC analyzer and manufacturing method thereof |
| CN111238884A (en) * | 2020-01-21 | 2020-06-05 | 力合科技（湖南）股份有限公司 | Filter membrane fixed knot constructs, sample stove and OCEC analysis appearance |
| CN113671125A (en) * | 2021-08-13 | 2021-11-19 | 力合科技（湖南）股份有限公司 | Carbon analyzer for organic carbon element |
| CN113670856A (en) * | 2021-08-13 | 2021-11-19 | 力合科技（湖南）股份有限公司 | OCEC analysis system and application method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204202962U (en) * | 2014-11-05 | 2015-03-11 | 中科天融(北京)科技有限公司 | A kind of novel online OCEC analyser detection laser and high temperature reaction stove integrated device |
| CN105203502A (en) * | 2015-08-14 | 2015-12-30 | 北京大学 | In-situ online collection analysis meter and method for aerosol carbonaceous components |
| KR20160129573A (en) * | 2015-04-30 | 2016-11-09 | 한국표준과학연구원 | apparatus and method for measuring organic and elemental carbon in PM2.5 |
| KR101674884B1 (en) * | 2015-10-14 | 2016-11-22 | 한국표준과학연구원 | Apparatus for analysing organic and elemental carbon in pm2.5 |
| CN206161483U (en) * | 2016-11-23 | 2017-05-10 | 河北先河环保科技股份有限公司 | Organic carbon element carbon on line analyzer of heat light method |
-
2016
- 2016-11-23 CN CN201611038226.6A patent/CN106353232A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204202962U (en) * | 2014-11-05 | 2015-03-11 | 中科天融(北京)科技有限公司 | A kind of novel online OCEC analyser detection laser and high temperature reaction stove integrated device |
| KR20160129573A (en) * | 2015-04-30 | 2016-11-09 | 한국표준과학연구원 | apparatus and method for measuring organic and elemental carbon in PM2.5 |
| CN105203502A (en) * | 2015-08-14 | 2015-12-30 | 北京大学 | In-situ online collection analysis meter and method for aerosol carbonaceous components |
| KR101674884B1 (en) * | 2015-10-14 | 2016-11-22 | 한국표준과학연구원 | Apparatus for analysing organic and elemental carbon in pm2.5 |
| CN206161483U (en) * | 2016-11-23 | 2017-05-10 | 河北先河环保科技股份有限公司 | Organic carbon element carbon on line analyzer of heat light method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031451A (en) * | 2019-03-29 | 2019-07-19 | 天津双允环保科技有限公司 | A kind of binary channels OCEC in-line analyzer |
| CN110530764A (en) * | 2019-10-15 | 2019-12-03 | 北京大学深圳研究生院 | The stable isotope determination method of organic carbon and elemental carbon in PM2.5 |
| CN111089823A (en) * | 2019-12-31 | 2020-05-01 | 聚光科技(杭州)股份有限公司 | OCEC analyzer and manufacturing method thereof |
| CN111238884A (en) * | 2020-01-21 | 2020-06-05 | 力合科技（湖南）股份有限公司 | Filter membrane fixed knot constructs, sample stove and OCEC analysis appearance |
| CN111238884B (en) * | 2020-01-21 | 2022-09-20 | 力合科技（湖南）股份有限公司 | Filter membrane fixed knot constructs, sample stove and OCEC analysis appearance |
| CN113671125A (en) * | 2021-08-13 | 2021-11-19 | 力合科技（湖南）股份有限公司 | Carbon analyzer for organic carbon element |
| CN113670856A (en) * | 2021-08-13 | 2021-11-19 | 力合科技（湖南）股份有限公司 | OCEC analysis system and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106353232A (en) | On-line analyzer of organic and elemental carbon through thermophotometry | |
| Menzel et al. | The measurement of dissolved organic and particulate carbon in seawater 1 | |
| CN101949835B (en) | On-line aerosol carbon component collecting analyser | |
| CN105203502B (en) | A kind of aerosol carbonaceous components online acquisition analyzer in situ and its method | |
| CN201637649U (en) | Measuring instrument for atmospheric particulate matter | |
| CN104132893B (en) | The equipment of organic carbon/element concentration of carbon in a kind of on-line monitoring PM2.5 based on orthogonal light path | |
| CN104713830B (en) | Analytical device of online aerosol carbon component acquisition analyzer | |
| CN101592607B (en) | Equipment and method for automatically detecting mass concentration of organic carbon/elemental carbon in atmospheric aerosol | |
| CN101122556A (en) | Atmosphere particles- carbon black aerosol quality and concentration monitor and monitoring method | |
| CN103558212A (en) | Nitrogen dioxide detecting device and method | |
| Pretto et al. | Colorimetric determination of formaldehyde in air using a hanging drop of chromotropic acid | |
| CN111751483A (en) | Monitoring facilities of organic carbon-element carbon concentration based on multi-wavelength light source | |
| CN206161483U (en) | Organic carbon element carbon on line analyzer of heat light method | |
| CN111239080B (en) | Quality control device and OCEC analysis system | |
| CN110471098B (en) | Radon radiation dose detection method based on carbon quantum dot fluorescence biosensor | |
| CN206489066U (en) | A kind of laboratory thermophotometry organic carbon element carbon analyzer | |
| CN116359454A (en) | Portable grape wine harmful substance short-term test device | |
| CN107219245B (en) | Organic carbon pyrolysis analysis device for hydrocarbon source rock | |
| KR101857521B1 (en) | ApparatusofMeasuringcontinuous massandcarbonconcentrations of particulate matter | |
| CN212433075U (en) | Monitoring facilities of organic carbon-element carbon concentration based on multi-wavelength light source | |
| CN213580665U (en) | Air gas monitoring device based on cavity ring-down technology | |
| CN104459075A (en) | Detection method of online TOC (total organic carbon) monitor | |
| Lampman et al. | A method for the measurement of particulate C and P on the same filtered sample | |
| CN106153585A (en) | A kind of sensing carbon dioxide gas probe, the manufacture method of probe and the sensor-based system containing this probe | |
| CN206208702U (en) | A kind of detector of quick measure air pollutants |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |