CN107271252A - A kind of gasification burner and its air distributing method by the use of adsorbent as concentration buffer layer - Google Patents
A kind of gasification burner and its air distributing method by the use of adsorbent as concentration buffer layer Download PDFInfo
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- CN107271252A CN107271252A CN201710569189.XA CN201710569189A CN107271252A CN 107271252 A CN107271252 A CN 107271252A CN 201710569189 A CN201710569189 A CN 201710569189A CN 107271252 A CN107271252 A CN 107271252A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000002309 gasification Methods 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 238000002156 mixing Methods 0.000 claims abstract description 43
- 239000006200 vaporizer Substances 0.000 claims abstract description 43
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 43
- 238000000520 microinjection Methods 0.000 claims description 42
- 239000002957 persistent organic pollutant Substances 0.000 claims description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims description 22
- 238000011068 loading method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 239000008246 gaseous mixture Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 239000002808 molecular sieve Substances 0.000 claims description 12
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
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- 238000006243 chemical reaction Methods 0.000 claims description 7
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- 239000004411 aluminium Substances 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
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- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 26
- 230000033228 biological regulation Effects 0.000 abstract description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 120
- 239000012855 volatile organic compound Substances 0.000 description 24
- 238000009834 vaporization Methods 0.000 description 23
- 239000003153 chemical reaction reagent Substances 0.000 description 20
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 238000012360 testing method Methods 0.000 description 13
- 238000010926 purge Methods 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 11
- 238000009826 distribution Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
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- 239000002904 solvent Substances 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 9
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 5
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- 239000005416 organic matter Substances 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
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- 239000003973 paint Substances 0.000 description 3
- 238000002336 sorption--desorption measurement Methods 0.000 description 3
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- 238000003795 desorption Methods 0.000 description 2
- 125000003963 dichloro group Chemical group Cl* 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
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- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910003158 γ-Al2O3 Inorganic materials 0.000 description 1
Classifications
-
- 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
- G01N1/38—Diluting, dispersing or mixing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- 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
- G01N1/38—Diluting, dispersing or mixing samples
- G01N2001/386—Other diluting or mixing processes
- G01N2001/387—Other diluting or mixing processes mixing by blowing a gas, bubbling
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a kind of gasification burner and its air distributing method by the use of adsorbent as concentration buffer layer.The present invention is used as the gasification burner of concentration buffer layer by the use of adsorbent, including gas mixing tank and the vaporizer being arranged inside gasification burner, gas mixing tank is arranged at the top of vaporizer, the bottom of gas mixing tank is provided with combi inlet port pipe, gas mixing tank is connected with vaporizer by combi inlet port pipe, the bottom of gas mixing tank is provided with solid material packed layer, and the solid material that solid material packed layer is arranged in the top of combi inlet port pipe, solid material packed layer is adsorbent.The setting that the present invention passes through solid material packed layer, concentration buffer layer is used as by the use of the solid material in solid material packed layer, buffering volatile concentrations caused by pump plug-flow or airflow fluctuation are fluctuated, and the liquid object for vaporizing plug-flow is more extensive, and corollary equipment is also more convenient；The atmosphere parameter of configuration is easier regulation and control.
Description
Technical field
The invention belongs to adsorption technology field, it is related to a kind of gasification burner by the use of adsorbent as concentration buffer layer and its matches somebody with somebody
Gas method.
Background technology
With the intensity increase of human industry's activity, substantial amounts of volatile organic matter (Volatile Organic
Compound, abbreviation VOCs) it is discharged into atmospheric environment, environmental pollution is triggered by sequence of chemical reaction.For example, some are active
Strong VOCs can be with another atmosphere pollution nitrogen oxides (NOx) occur photochemical reaction, cause surface ozone concentration liter
Height, forms photochemical pollution；The VOCs that some steam are forced down can also be formed by complex process nucleation and growth process secondary to be had
Machine aerosol, and secondary organic aerosol exactly fine particle PM2.5 important component.It can be seen that VOCs is to form photochemistry
Pollution and the important precursor of Brownish haze.In addition, VOCs can also constitute grave danger to health in itself.Example
Such as, common VOCs such as formaldehyde, benzene, toluene etc. has carcinogenic, teratogenesis harm.Therefore, photochemical fog is removed, is reduced
Particulate Pollution, improves urban air-quality, and the protection common people's is healthy, and VOCs emission controls and removal are imperative.
VOCs wide material sources, mainly include oil, chemical industry, medicine, packaging, printing, application etc., using paint industry as
Example, nearly 7,000,000 tons/year of its VOCs discharge capacity accounts for the 1/3 of VOCs total releases.Purification neck is eliminated in paint industry VOCs
Domain, west Main Developed Countries and Japan's starting are more early.Just promulgated in the U.S. in 1955《Air Pollution Control Board preparation method》,
Detailed regulation has been done to air pollutant emission classification and total amount, had been promulgated again later《Pure air method》, and in 1970
Do and revised twice with nineteen ninety；Technicality regulation has been formulated in VOCs discharges in 1966 also exclusively for paint industry, i.e.,
" 66 regulation ".In obligating under the promotion with company interest for law, the technology that difference eliminates VOCs is developed and used.
Current China pays much attention to VOCs pollution problem, it is desirable to the year two thousand twenty, realize substantially VOCs from raw material to product,
From production to the overall process emission reduction of consumption.Therefore, VOCs emission-reduction technology has obtained extensive research and probe.But laboratory simulation
The technology and means of VOCs exhaust emissions are also relatively single.The VOCs configured in the prior art by the method for stripping bubbling, i.e.,
High-purity N 2 is passed through in stripping wash bottle bubbler, stripping wash bottle bubbler and is loaded with organic pollutant liquid, stripping wash bottle is roused
Bubbler is placed in water bath with thermostatic control, is adjusted the temperature of water-bath and can be quantified generation VOCs.But, the method for conventional stripping bubbling is matched somebody with somebody
The VOCs concentration ranges put are narrower and gas flow is smaller, and when simulating industrial pollution, different scale is too big.
The content of the invention
In view of the shortcomings of the prior art, an object of the present invention is that provide one kind is used as concentration buffer by the use of adsorbent
The gasification burner of layer, the VOCs concentration ranges of configuration are big, gas flow is big, VOCs concentration is stable.
For up to this purpose, the present invention uses following technical scheme：
A kind of gasification burner by the use of adsorbent as concentration buffer layer, including the gas being arranged inside the gasification burner are mixed
Tank and vaporizer are closed, the gas mixing tank is arranged at the top of the vaporizer, and the bottom of the gas mixing tank is provided with
Combi inlet port pipe, the gas mixing tank is connected with the vaporizer by the combi inlet port pipe, and the gas is mixed
The bottom for closing tank is provided with solid material packed layer, and the solid material packed layer is arranged at the upper of the combi inlet port pipe
Solid material in portion, the solid material packed layer is adsorbent.
Various organic pollution volatile liquid plug-flows are entered vaporizer by the present invention by syringe pump, then by vaporizer
Heat exchange reaches preference temperature, and volatile liquid is vaporized and carries out other into organic pollution gas mixer chamber through wind drift
Proportion balance, after liquid enters current stabilization and pressure for vaporization balance, the atmosphere of configuration is passed through the solid material for loading adsorbent
Packed layer carries out fluctuation of concentration reduction and current stabilization.
Solid material in the solid material packed layer is adsorbent, and the adsorbent is selected from activated carbon, molecular sieve, oxygen
Change aluminium, one kind in silica gel or at least two mixture.The typical but unrestricted embodiment of the mixture is activated carbon, divided
The mixture of son sieve, activated carbon, the mixture of aluminum oxide, activated carbon, the mixture of silica gel, molecular sieve, the mixture of aluminum oxide,
The mixture of molecular sieve, silica gel, activated carbon, molecular sieve, the mixture of aluminum oxide, activated carbon, molecular sieve, the mixture of silica gel,
Molecular sieve, aluminum oxide, the mixture of silica gel, activated carbon, molecular sieve, aluminum oxide, the mixture of silica gel.
The quality of the adsorbent be 0.2~100g, such as 0.2g, 1g, 10g, 20g, 30g, 40g, 50g, 60g, 70g,
80g, 90g, 100g, the particle diameter of the adsorbent is 0.3mm~5mm, such as 0.3mm, 0.5mm, 1mm, 1.5mm, 2mm,
2.5mm、3mm、3.5mm、4mm、4.5mm、5mm。
The vaporizer is internally provided with organic pollutant liquid generating tube, nitrogen inlet duct and organic pollution gas
Mixing chamber, the organic pollutant liquid generating tube, the nitrogen inlet duct respectively with the organic pollution gas mixer chamber
Bottom be connected, the top of the organic pollution gas mixer chamber is provided with escape pipe, and the escape pipe is through described mixed
Gas inlet tube is closed with the gas mixing tank to be connected.
Preferably, the organic pollutant liquid generating tube and the nitrogen inlet duct are helix tube.
Preferably, the organic pollution gas mixer chamber is internally provided with some baffle plates, and the baffle plate is perpendicular to institute
State the side wall of organic pollution gas mixer chamber, and have organic pollutant liquid generating tube, the nitrogen inlet duct with described
Charge air flow direction is vertical.
The bottom of the gas mixing tank is provided with several stainless steel tubes, the stainless steel tube and the gas mixing tank
Interface connected by welded seal.
The tail end of the stainless steel tube is connected by female Luer.
Preferably, the female Luer is connected with micro-injection pump, and the micro-injection pump notes organic pollutant liquid
Enter the organic pollutant liquid generating tube.
Preferably, the size of the stainless steel tube is 1/16 inch.
The inside of the vaporizer is filled with steel ball or Ceramic Balls, it is preferable that the steel ball or the particle diameter of Ceramic Balls are
2mm。
Preferably, the temperature of the gasification burner be 30~300 DEG C, such as 30 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80
℃、90℃、100℃、110℃、120℃、130℃、140℃、150℃、160℃、170℃、 180℃、190℃、200℃、
210℃、220℃、230℃、240℃、250℃、260℃、270℃、 280℃、290℃、300℃。
The second object of the present invention is to provide a kind of air distributing method using gasification burner as described above, the distribution side
Method comprises the following steps：
1) organic pollution volatilization gas is prepared：The vaporizer that organic pollutant liquid is pumped into gasification burner prepares organic dirt
Contaminate thing volatilization gas；
2) gaseous mixture is prepared：High pure nitrogen or air are passed through gas mixing tank, with step 1) made from organic pollution
Volatilization gas is mixed into gaseous mixture；
3) gaseous mixture is entered after the concentration buffer of solid material packed layer by gasification burner into Solid Bed reaction system
Row catalytic reaction is evaluated.
Step 1) in, organic dirt is injected by the micro-injection pump of loading injector in the organic pollutant liquid generating tube
Thing liquid body is contaminated, the organic pollutant liquid, which enters through plug-flow in the high-temperature region of vaporizer, is vaporizated into organic pollution Volatile Gas
Body, the N controlled by mass flowmenter is passed through in the nitrogen inlet duct2Organic pollution volatilization gas is purged, makes N2Take
Band organic pollution volatilization gas enters the organic pollution gas mixer chamber, N2With the mixing of organic pollution volatilization gas
Gas enters the gas mixing tank by escape pipe.
Step 2) in, the gas flow of the high pure nitrogen or air is 100~2000mL, such as 100mL, 200mL,
300mL、400mL、500mL、600mL、700mL、800mL、900mL、1000mL、 1100mL、1200mL、1300mL、
1400mL、1500mL、1600mL、1700mL、1800mL、 1900mL、2000mL；Step 2) in, other pollutions can also be passed through
Atmosphere that thing gas is to prepare various concentrations, the mixed pollutants of different component volatilize.
Compared with prior art, beneficial effects of the present invention are：
(1) gasification burner of the invention, by the setting of solid material packed layer, utilizes the solid in solid material packed layer
Material is as concentration buffer layer, and buffering volatile concentrations caused by pump plug-flow or airflow fluctuation are fluctuated, the liquid for vaporizing plug-flow
Body object is more extensive, and corollary equipment is also more convenient；The atmosphere parameter of configuration is easier regulation and control.
(2) present invention effectively improves vaporization liquid by the use of adsorbent as the air distributing method of the gasification burner of concentration buffer layer
The stability of body precursor, vaporization concentration configuration is more convenient and efficient.
Brief description of the drawings
Fig. 1 is the structural representation by the use of adsorbent as the gasification burner of concentration buffer layer of the invention；
Fig. 2 configures VOCs process chart for the air distributing method of the present invention；
Fig. 3 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 1；
Fig. 4 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 2；
Fig. 5 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 3；
Fig. 6 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 4；
Fig. 7 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 5；
Fig. 8 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 6；
Fig. 9 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 7；
Figure 10 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 8；
Figure 11 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 9；
Figure 12 is comparison diagram before and after the suction-operated layer buffering gas concentration of embodiments of the invention 10.
Reference is as follows：
1- gas mixing tanks；2- vaporizers；21- organic pollutant liquid generating tubes；22- nitrogen inlet ducts；23- is organic
Contaminant gases mixing chamber；3- combi inlet port pipes；4- solid material packed layers；5- reactors；6- gas chromatographs.
Embodiment
1-12 and technical scheme is further illustrated by embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the gasification burner by the use of adsorbent as concentration buffer layer of the present invention, including be arranged in gasification burner
The gas mixing tank 1 in portion and vaporizer 2, gas mixing tank 1 are arranged at the top of vaporizer 2, and the bottom of gas mixing tank 1 is set
There is combi inlet port pipe 3, gas mixing tank 1 is connected with vaporizer 2 by combi inlet port pipe 3, the bottom of gas mixing tank 1
Solid material packed layer 4 is provided with, solid material packed layer 4 is arranged at the top of combi inlet port pipe 3, solid material packed layer
Solid material in 4 is adsorbent.
Organic pollutant liquid, which is pumped into after the vaporizer of gasification burner, is vaporizated into organic pollution volatilization gas, if being not provided with this
The solid material packed layer 4 of invention, by when the organic pollutant liquid amount of pump plug-flow is more, amount changes less, after vaporizer is vaporized
Organic pollution volatilization gas have an airflow fluctuation, the concentration of caused volatile matter produces fluctuation, there is provided solid material is filled out
Fill after layer 4, wherein the adsorbent filled is by adsorption/desorption mechanism, when many by the organic pollutant liquid amount of pump plug-flow, inhale
Attached dose will adsorb more gas, and the lasting organic pollution volatilised liq that is pumped into is vaporized into organic pollution volatilization gas
Afterwards, the entrance Solid Bed reaction system that the gas after the desorbing gas being adsorbed onto on adsorbent, desorption is lasting can be driven；When by pump
When the organic pollutant liquid amount of plug-flow is few, adsorbent will adsorb less gas, and lasting is pumped into organic pollution volatilization
Vaporizing liquid can drive the gas after the desorbing gas being adsorbed onto on adsorbent, desorption to hold into after organic pollution volatilization gas
Continuous entrance Solid Bed reaction system；Therefore, the lasting adsorption/desorption of adsorbent in solid material packed layer 4 plays buffering
Effect, will not produce air-flow change so that the concentration of vaporization is more because the organic pollutant liquid amount of pump plug-flow is more, the few change of amount
It is stable, allow and configure more convenient and efficient.
The present invention solid material packed layer 4 in adsorbent in activated carbon, molecular sieve, aluminum oxide, silica gel one
Kind or at least two mixture.Preferably, the quality of adsorbent is 0.2~100g, and the particle diameter of adsorbent is 0.3mm~5mm.
Vaporizer 2 is internally provided with organic pollutant liquid generating tube 21, nitrogen inlet duct 22 and organic pollution gas
Body mixing chamber 23, organic pollutant liquid generating tube 21, nitrogen inlet duct 22 respectively with organic pollution gas mixer chamber 23
Bottom is connected, and the top of organic pollution gas mixer chamber 23 is provided with escape pipe, escape pipe through combi inlet port pipe 3 with
Gas mixing tank 1 is connected；Preferably, organic pollutant liquid generating tube 21 and nitrogen inlet duct 22 are helix tube, can be with
Increase heating surface area, make the N being passed through2Rapid heating, organic pollutant liquid rapid vaporization is simultaneously heated.It is further preferred that having
Organic pollutants gas mixer chamber 23 is internally provided with some baffle plates, and baffle plate is perpendicular to organic pollution gas mixer chamber 23
Side wall, and it is vertical with there is the charge air flow direction of organic pollutant liquid generating tube 21, nitrogen inlet duct 22, the setting of baffle plate makes
N2It is mixed more uniformly with organic pollution volatilization gas.
The bottom of vaporizer 2 is provided with several stainless steel tubes, and the interface of stainless steel tube and vaporizer 2 is close by welding
Envelope connection.The tail end of stainless steel tube is connected by female Luer；Female Luer can seal stuffiness, can also ventilate.Further
Ground, female Luer is connected with micro-injection pump when ventilating, organic pollutant liquid is injected organic pollution liquid by micro-injection pump
Body generating tube 21；Preferably, the size of stainless steel tube is 1/16 inch.Gas mixing tank 1, the organic pollution gas of the present invention
Body mixing chamber 23 can be resistant to elevated temperatures stainless steel gas mixing tank.
It is further preferred that the inside of vaporizer 2 is filled with steel ball or Ceramic Balls, vapour is easy in the setting of steel ball or Ceramic Balls
Change the heat transfer and insulation of room 2, make organic pollutant liquid generating tube 21, nitrogen inlet duct 22 and organic pollution gas mixing
The temperature of room 23 rises rapidly and high insulating effect；Steel ball or the particle diameter of Ceramic Balls are 2mm；The temperature-controllable of gasification burner is adjustable,
For 30~300 DEG C, accuracy is ± 1 DEG C.
As the preferred embodiment of the present invention, air distributing method of the invention is concretely comprised the following steps：
1) organic pollution volatilization gas is prepared：Organic pollutant liquid generating tube 21 by loading injector micro-injection
Infusion enters organic pollutant liquid, and organic pollutant liquid, which enters through plug-flow in the high-temperature region of vaporizer 2, is vaporizated into organic contamination
Thing volatilization gas, the N controlled by mass flowmenter is passed through in nitrogen inlet duct 222Organic pollution volatilization gas is blown
Sweep, make N2Carry organic pollution volatilization gas and enter organic pollution gas mixer chamber 23, N2With organic pollution volatilization gas
Gaseous mixture by escape pipe enter gas mixing tank 1；
2) gaseous mixture is prepared：High pure nitrogen or air are passed through gas mixing tank 1, with step 1) made from organic pollution
Volatilization gas is mixed into gaseous mixture；
3) gaseous mixture is urged after the concentration buffer of solid material packed layer 4 by gasification burner into Solid Bed reaction system
Change reaction evaluating.
As shown in Fig. 2 the gasification burner of the present invention is applied to catalytic reaction technique.Organic pollutant liquid is by loading injector
Micro-injection pump injection organic pollution vaporizing liquid pipe 21, be vaporizated into organic pollution into the high-temperature region of vaporizer 2
Volatilization gas, is passed through the N controlled by mass flowmenter2Organic pollution volatilization gas is purged, makes N2Carry organic contamination
Thing volatilization gas enters organic pollution gas mixer chamber 23, N2Gaseous mixture with organic pollution volatilization gas is by escape pipe
Into gas mixing tank 1, gas mixing tank 1 can also be passed through other gases, such as N2、O2, more preferably to simulate the dirt in reality
Contaminate thing atmosphere, organic pollution volatilization gas and N2Adsorbed in solid material packed layer 4 through the bottom of gas mixing tank 1 after mixing
Concentration buffer after the adsorption/desorption of agent, it is buffered after gaseous mixture enter reactor 5 in, by the catalyst in reactor to mixing
Gas is catalyzed, and reacted tail gas enters the analysis that gas chromatograph 6 carries out component and concentration.
Technical scheme is further illustrated below by specific embodiment.
Embodiment 1
A. analysis absolute dichloromethane reagent is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml methylene chloride reagents fill slow system first, then fixed
Amount set dichloromethane to be pumped into speed per minute as 2.86 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, blow
Sweep the dichloromethane liquid for being pumped into vaporizer (temperature of vaporization chamber is 50 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters
N2Balance.Configure the atmosphere that methylene chloride volume concentration that total flow is 100ml is 1vol%.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device (concentration buffer layer) for loading 0.2g adsorbents carries out distribution concentration buffer.This tests the adsorbent used
NaX type molecular sieves；The mass signal of dichloromethane takes mass/charge=49.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened.Contrast is as shown in Figure 3 before and after suction-operated layer buffering gas concentration.
Embodiment 2
A. analysis absolute dichloromethane reagent is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml methylene chloride reagents fill slow system first, then fixed
Amount set dichloromethane to be pumped into speed per minute as 2.86 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, blow
Sweep the dichloromethane liquid for being pumped into vaporizer (temperature of vaporization chamber is 50 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters
N2Balance.Configure the atmosphere that methylene chloride volume concentration that total flow is 100ml is 1vol%.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.2g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is NaY type molecular sieves；
The mass signal of dichloromethane takes mass/charge=49.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and contrast is as shown in Figure 4 before and after suction-operated layer buffering gas concentration.
Embodiment 3
A. analysis absolute dichloromethane reagent is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml methylene chloride reagents fill slow system first, then fixed
Amount set dichloromethane to be pumped into speed per minute as 2.86 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, blow
Sweep the dichloromethane liquid for being pumped into vaporizer (temperature of vaporization chamber is 50 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters
N2Balance.Configure the atmosphere that methylene chloride volume concentration that total flow is 100ml is 1vol%.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.2g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is gamma-Al2O3；
The mass signal of dichloromethane takes mass/charge=49.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and contrast is as shown in Figure 5 before and after suction-operated layer buffering gas concentration.
Embodiment 4
A. analysis absolute dichloromethane reagent is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml methylene chloride reagents fill slow system first, then fixed
Amount set dichloromethane to be pumped into speed per minute as 2.86 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, blow
Sweep the dichloromethane liquid for being pumped into vaporizer (temperature of vaporization chamber is 50 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters
N2Balance.Configure the atmosphere that methylene chloride volume concentration that total flow is 100ml is 1vol%.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.2g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is ZSM-5 (SiO2/
Al2O3=25)；The mass signal of dichloromethane takes mass/charge=49.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and contrast is as shown in Figure 6 before and after suction-operated layer buffering gas concentration.
Embodiment 5
A. analysis absolute dichloromethane reagent is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml methylene chloride reagents fill slow system first, then fixed
Amount set dichloromethane to be pumped into speed per minute as 2.86 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, blow
Sweep the dichloromethane liquid for being pumped into vaporizer (temperature of vaporization chamber is 50 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters
N2Balance.Configure the atmosphere that methylene chloride volume concentration that total flow is 100ml is 1vol%.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.2g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is MCM-41 molecules
Sieve；The mass signal of dichloromethane takes mass/charge=49.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and contrast is as shown in Figure 7 before and after suction-operated layer buffering gas concentration.
Embodiment 6
A. analysis absolute dichloromethane reagent is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml methylene chloride reagents fill slow system first, then fixed
Amount set dichloromethane to be pumped into speed per minute as 2.86 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, blow
Sweep the dichloromethane liquid for being pumped into vaporizer (temperature of vaporization chamber is 50 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters
N2Balance.Configure the atmosphere that methylene chloride volume concentration that total flow is 100ml is 1vol%.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.2g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is activated carbon；Dichloro
The mass signal of methane takes mass/charge=49.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and contrast is as shown in Figure 8 before and after suction-operated layer buffering gas concentration.
To sum up test, compared for different sorbing materials and enter vaporization in buffering micro-injection pump (or mechanical pump) plug-flow liquid
Room carries out quantitative vaporization configuration gaseous fluid.Material includes various common molecular sieves and active carbon material, it is seen that absorbent charcoal material
Buffer capacity it is the most excellent.Therefore selected absorbent charcoal material is preferred material, carries out follow-up evaluation experimental.
Embodiment 7
A. analysis absolute dichloromethane reagent is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml methylene chloride reagents fill slow system first, then fixed
Amount set dichloromethane to be pumped into speed per minute as 2.86 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, blow
Sweep the dichloromethane liquid for being pumped into vaporizer (temperature of vaporization chamber is 50 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters
N2Balance.Configure the atmosphere that methylene chloride volume concentration that total flow is 100ml is 1vol%.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.5g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is activated carbon；Dichloro
The mass signal of methane takes mass/charge=49.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and can reach the stable requirement of general configuration volatile organic matter vaporization concentration, suction-operated
Contrast is as shown in Figure 9 before and after layer buffering gas concentration.
Embodiment 8
A. the pure deionized water reagent of analysis is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml deionized waters reagent fills slow system first, then fixed
Amount set deionized water to be pumped into speed per minute as 1.6 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, purging
It is pumped into the deionized water liquid of vaporizer (temperature of vaporization chamber is 120 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters of N2
Balance.Configure the atmosphere that deionized water volumetric concentration that total flow is 100ml is 1vol%, 120 DEG C of complete stroke thermal insulating.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.5g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is activated carbon；Go from
The mass signal of sub- water takes mass/charge=18.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and can reach the stable requirement of general configuration volatile organic matter vaporization concentration, suction-operated
Contrast is as shown in Figure 10 before and after layer buffering gas concentration.
Embodiment 9
A. analysis straight alcohol reagent is contained with 2.5ml glass syringes (hamilton), is connected to the micro of system equipment
Syringe pump (or mechanical pump) place, injects 0.25ml ethanol reagents and fills the pipeline dead volume of slow system, then quantitatively set second first
The speed that is pumped into of alcohol is 2.6 microlitres per minute.There is mass flowmenter setting purging N2For 50 milliliters, purging be pumped into vaporizer
The ethanol liquid of (temperature of vaporization chamber is 100 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters of N2Balance.Configure total
The atmosphere that the ethanol volumetric concentration that flow is 100ml is 1vol%, 120 DEG C of complete stroke thermal insulating.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.5g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is activated carbon；Ethanol
Mass signal take mass/charge=31.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and can reach the stable requirement of general configuration volatile organic matter vaporization concentration, suction-operated
Contrast is as shown in figure 11 before and after layer buffering gas concentration.
Embodiment 10
A. analysis pure ethyl acetate reagent is contained with 2.5ml glass syringes (hamilton), is connected to system equipment
Micro-injection pump (or mechanical pump) place, injects the pipeline dead volume that 0.25ml ethyl acetate reagent fills slow system first, then fixed
Amount set ethyl acetate to be pumped into speed per minute as 4.36 microlitres.There is mass flowmenter setting purging N2For 50 milliliters, blow
Sweep the ethyl acetate liquid for being pumped into vaporizer (temperature of vaporization chamber is 100 degrees Celsius).Liquid is fully volatilized, then by 49 milliliters
N2Balance.Configure the atmosphere that ethyl acetate volumetric concentration that total flow is 100ml is 1vol%, 120 DEG C of complete stroke thermal insulating.
B. the atmosphere configured can be bypassed to process mass spectrograph and carry out species and Concentration Testing, can also pass through
The concentration buffer device for loading 0.5g adsorbents carries out distribution concentration buffer.The adsorbent that this experiment is used is activated carbon；Acetic acid
The mass signal of ethyl ester takes mass/charge=43.
C. contrast enters the air-flow of bypass and adsorption-buffering device, it can be found that being pumped into by micro-injection pump (or mechanical pump)
Caused concentration deviation is larger, along with solvent vaporize in itself caused by it is unstable, cause this micro-injection pump (or machinery
Pump) mode that is vaporized of injection liquid is extremely difficult to repeat stable requirement for a long time.And buffered via adsorbent active layer, gas
Stream stability of concentration is strengthened, and can reach the stable requirement of general configuration volatile organic matter vaporization concentration, suction-operated
Contrast is as shown in figure 12 before and after layer buffering gas concentration.
To sum up test, compared for different liquids material and enter vaporization in buffering micro-injection pump (or mechanical pump) plug-flow liquid
Room carries out quantitative vaporization configuration gaseous fluid, using preferred absorbent charcoal material as cushion.Knowable to contrast by buffering, on a small quantity
The addition energy high degree of activated carbon adsorption layer, which is cut down, the fluctuation of concentration that micro-injection pump (or mechanical pump) or vaporizer are caused.
This method can be generally applicable to certain liquid substance being quantitatively vaporizated into gas, configure different volatilization gaseous components.
The air distributing method of the present invention, can reach the target for configuring that atmosphere is various, convenient and concentration is stable, substitute traditional drum
The bubble limitation that flow is small, concentration is low, facilitates laboratory and factory etc. to realize the demand of the specific volatilization atmosphere of configuration.
Above example is only used for illustrating the method detailed of the present invention, the invention is not limited in above-mentioned method detailed, i.e.,
Do not mean that the present invention has to rely on above-mentioned method detailed and could implemented.Person of ordinary skill in the field is it will be clearly understood that right
Any improvement of the present invention, addition, the selection of concrete mode of equivalence replacement and auxiliary element to each raw material of product of the present invention
Deng within the scope of all falling within protection scope of the present invention and being open.
Claims (10)
1. a kind of gasification burner by the use of adsorbent as concentration buffer layer, including it is arranged at the gas mixing inside the gasification burner
Tank (1) and vaporizer (2), it is characterised in that the gas mixing tank (1) is arranged at the top of the vaporizer (2), the gas
The bottom of body blending tank (1) is provided with combi inlet port pipe (3), and the gas mixing tank (1) passes through institute with the vaporizer (2)
State combi inlet port pipe (3) to be connected, the bottom of the gas mixing tank (1) is provided with solid material packed layer (4), described solid
Body material packed layer (4) is arranged at the solid in the top of the combi inlet port pipe (3), the solid material packed layer (4)
Material is adsorbent.
2. gasification burner according to claim 1, it is characterised in that the adsorbent is selected from activated carbon, molecular sieve, oxidation
One kind or at least two mixture in aluminium, silica gel.
3. gasification burner according to claim 2, it is characterised in that the quality of the adsorbent is 0.2~100g, the suction
Attached dose of particle diameter is 0.3mm~5mm.
4. the gasification burner according to one of claim 1-3, it is characterised in that vaporizer (2) have been internally provided with
Organic pollutants vaporizing liquid pipe (21), nitrogen inlet duct (22) and organic pollution gas mixer chamber (23), the organic contamination
The bottom phase of thing liquid body generating tube (21), the nitrogen inlet duct (22) respectively with the organic pollution gas mixer chamber (23)
Connection, the top of the organic pollution gas mixer chamber (23) is provided with escape pipe, and the escape pipe passes through the gaseous mixture
Inlet tube (3) is connected with the gas mixing tank (1)；
Preferably, the organic pollutant liquid generating tube (21) and the nitrogen inlet duct (22) are helix tube；
Preferably, the organic pollution gas mixer chamber (23) is internally provided with some baffle plates, and the baffle plate is perpendicular to institute
The side wall of organic pollution gas mixer chamber (23) is stated, and has organic pollutant liquid generating tube (21), the nitrogen with described
The charge air flow direction of air inlet pipe (22) is vertical.
5. the gasification burner according to one of claim 1-4, it is characterised in that the vaporizer (2) if bottom be provided with
Dry stainless steel tube, the stainless steel tube is connected with the interface of the vaporizer (2) by welded seal.
6. gasification burner according to claim 5, it is characterised in that the tail end of the stainless steel tube is connected by female Luer；
Preferably, the female Luer is connected with micro-injection pump, and organic pollutant liquid is injected institute by the micro-injection pump
State organic pollutant liquid generating tube (21)；
Preferably, the size of the stainless steel tube is 1/16 inch.
7. the gasification burner according to one of claim 1-6, it is characterised in that the inside of the vaporizer (2) is filled with steel
Ball or Ceramic Balls, it is preferable that the steel ball or the particle diameter of Ceramic Balls are 2mm；
Preferably, the temperature of the gasification burner is 30~300 DEG C.
8. a kind of air distributing method of gasification burner using as described in one of claim 1-7, it is characterised in that the air distributing method
Comprise the following steps：
1) organic pollution volatilization gas is prepared：The vaporizer (2) that organic pollutant liquid is pumped into gasification burner prepares organic dirt
Contaminate thing volatilization gas；
2) gaseous mixture is prepared：High pure nitrogen or air are passed through gas mixing tank (1), with step 1) made from organic pollution wave
Body of getting angry is mixed into gaseous mixture；
3) gaseous mixture is carried out after the concentration buffer of solid material packed layer (4) by gasification burner into Solid Bed reaction system
Catalytic reaction is evaluated.
9. air distributing method according to claim 8, it is characterised in that step 1) in, prepare organic pollution volatilization gas
Process be：Organic pollution is injected by the micro-injection pump of loading injector in the organic pollutant liquid generating tube (21)
Liquid, the organic pollutant liquid, which enters through plug-flow in the high-temperature region of vaporizer (2), is vaporizated into organic pollution volatilization gas,
The N controlled by mass flowmenter is passed through in the nitrogen inlet duct (22)2Organic pollution volatilization gas is purged, makes N2
Carry organic pollution volatilization gas and enter the organic pollution gas mixer chamber (23), N2With organic pollution volatilization gas
Gaseous mixture by escape pipe enter the gas mixing tank (1).
10. air distributing method according to claim 8 or claim 9, it is characterised in that step 2) in, the high pure nitrogen or air
Gas flow be 100~2000mL；
Preferably, step 2) in, other contaminant gases can also be passed through to prepare the composite pollution of various concentrations, different component
Thing volatilization atmosphere.
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| CN105413393A (en) * | 2015-12-31 | 2016-03-23 | 南京大学环境规划设计研究院有限公司 | Adsorption and desorption bench scale experiment device and use method thereof |
| CN207036539U (en) * | 2017-07-13 | 2018-02-23 | 中国科学院城市环境研究所 | A kind of gasification burner by the use of adsorbent as concentration buffer layer |
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