CN108518747A - A kind of mixing pernicious gas removal experimental system - Google Patents
A kind of mixing pernicious gas removal experimental system Download PDFInfo
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- CN108518747A CN108518747A CN201810642052.7A CN201810642052A CN108518747A CN 108518747 A CN108518747 A CN 108518747A CN 201810642052 A CN201810642052 A CN 201810642052A CN 108518747 A CN108518747 A CN 108518747A
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- nacelle
- environment
- gas
- pernicious gas
- experimental system
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- 230000000505 pernicious effect Effects 0.000 title claims abstract description 37
- 238000002156 mixing Methods 0.000 title claims abstract description 26
- 238000002474 experimental method Methods 0.000 claims abstract description 30
- 238000013019 agitation Methods 0.000 claims abstract description 7
- 125000003118 aryl group Chemical group 0.000 claims abstract description 5
- 238000009298 carbon filtering Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 94
- 238000001914 filtration Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000003205 fragrance Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 239000012298 atmosphere Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 26
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 229910021529 ammonia Inorganic materials 0.000 description 11
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 10
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 3
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 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
- 238000004887 air purification Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
- F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/50—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention discloses a kind of mixing pernicious gas removal experimental system, including：Environment nacelle for mixing pernicious gas removal experiment, environment nacelle roof is provided with for making the equally distributed ceiling mounting type agitation fan of air-flow, it is provided with the solid aromatic for keeping room air pure and fresh at environment nacelle roof air outlet, environment nacelle center is provided with the experiment body for mixing pernicious gas removal, experiment body is nearby provided with mixing and is harmful to gas measurement device, environment nacelle exhaust outlet connects active carbon filtering device by exhaust duct, active carbon filtering device is connected through exhaust duct with exhaust fan, processed experimental gas is drained into outside atmosphere by exhaust fan, environment nacelle roof air outlet is connected through air supply duct with experimental gas feeder.Present invention is mainly used for pernicious gas removal test, can test experiments body to mix pernicious gas removal effect.
Description
Technical field
The present invention relates to gas removal experimental systems more particularly to a kind of mixing pernicious gas to remove experimental system.
Background technology
Relevant result of study shows to may be simultaneously present ammonia (NH in indoor environment3), acetic acid (CH3COOH), second
Aldehyde (CH3CHO), toluene (C7H8), a variety of pernicious gases such as formaldehyde (HCHO).Ammonia is a kind of colourless and has intense stimulus smell
Alkaline gas, it is soluble easily in water.The main reason for indoor ammonia concentration is exceeded is due in building construction process, in order to accelerate
The setting rate of concrete and winter construction are antifreeze, and high-alkali cement expansive material is added in concrete and contains urea and ammonium hydroxide
Concrete antifreezer, these contain the additive of a large amount of Ammonia substances under certain temperature and humidity conditions, are reduced into ammonia and release
It releases.Ammonia happens occasionally to the very harmful of human body, room air ammonia pollution in China, the ammonia density in many new buildings
It severely exceeds.Acetic acid is a kind of toxic, gas for being harmful to, having foreign odor taste, and acetic acid gas is mainly derived from finishing adhesives
Glass cement, glass cement is although unremarkable, is a kind of highest auxiliary material of frequency of use.In the family, dilute solution of acetic acid is also commonly used
Cook scale remover.Generally existing during acetic acid gas is fitted up indoors, and potential impact health.The gases such as formaldehyde, acetaldehyde, toluene
It is common indoor air pollutants.Artificial board, decorative paint, adhesive, sound absorption and insulation material etc. are above-mentioned to distribute dirt
Contaminate the main source of object.In recent years, room air pollution event is appeared in the newspapers repeatly, and extreme influence is generated to the physically and mentally healthy of people.
Air purification is to control one of the effective means of indoor pollutant, but air clearing product removal effect is commented at present
Valence experimental method is less to gas pollutant removal effect evaluation experimental method mainly in particulate matter, in particular for more
The evaluation method of kind mixed gas removal effect is even more blank.
Therefore, there is an urgent need to a kind of mixing pernicious gases to remove experimental system, have to a variety of to evaluate air clearing product
The removal effect of evil gas.
Invention content
It is an object of the invention to overcome above-mentioned deficiency in the prior art, the present invention to propose a kind of mixing pernicious gas
Remove experimental system.
The present invention is the technical issues of solution in the prior art, and the technical solution of proposition is as follows：A kind of mixing pernicious gas
Experimental system, including environment nacelle are removed, the exhaust outlet of the environment nacelle connects gas-filtering device through exhaust duct, described
Gas-filtering device connects exhaust fan entrance through exhaust duct；The environment nacelle roof is provided with air outlet, the air-supply
Mouth is connected through air supply duct with several experimental gas feeders arranged side by side；It is provided with aromatic at the air outlet
Device is provided with experiment body in the environmental chamber body.
The present invention second technical solution be：A kind of mixing pernicious gas removal experimental system, including environment nacelle, institute
The exhaust outlet for stating environment nacelle connects exhaust fan entrance through exhaust duct；The environment nacelle roof is provided with air outlet, institute
Air outlet is stated through air supply duct to be connected with several experimental gas feeders arranged side by side；It is provided with fragrance at the air outlet
Agent generator is provided with experiment body in the environmental chamber body.
Experimental gas feeder of the present invention is connected by air inlet pipe with external compression air, is provided in air inlet pipe
Flow control valve, the air inlet pipe are connected to escape pipe through constant water bath box, be arranged in series on the escape pipe flowmeter and
Attemperator, temperature adjutage is provided in the constant water bath box, and institute's temperature adjutage passes through the connection experiment of gas buffer bottle
Gas generator, the experimental gas generator are connected to the escape pipe by gas buffer bottle.
It is provided with solvent receptacle at the top of experimental gas generator of the present invention.
It is provided with gas-detecting device around experiment body of the present invention.
Gas-filtering device of the present invention is active carbon filtering device.
The bottom of environment nacelle of the present invention is provided with exhaust outlet.
The center of environment nacelle of the present invention is provided with experiment body.
It is provided with agitation fan at the top of environment nacelle of the present invention.
Solid, liquid or gas aromatic are placed in fragrance agent generator of the present invention.
Environment nacelle of the present invention is made of organic glass material.
Environment nacelle of the present invention is closed structure, and specification uses 8m3。
Present invention is mainly used for test air clearing products to the removal effect of a variety of pernicious gases.
Compared with prior art, the beneficial effects of the present invention are：
1. five kinds of ammonia, acetic acid, acetaldehyde, toluene, formaldehyde gas pollutants can occur simultaneously, and occurrence quantity passes through flow tune
Section valve is precisely controlled with flowmeter, and gas occurrence quantity is controllable.
2. can be used for a variety of pernicious gas removal effect test experiments, air clearing product is effectively assessed for multiple gases
The synthesis removal effect of pollutant, fills the domestic gaps.
3. choosing air clearing product for common people provides scientific basis, be conducive to standard market.
Description of the drawings
Fig. 1 is the systematic schematic diagram of the present invention；
Fig. 2 is experimental gas feeder schematic diagram of the present invention；
Fig. 3 is the computation model of pernicious gas removal amount.
Reference numeral：
1- exhaust fans, 2- experimental gas feeders, 3- gas-filtering devices, 4- ceiling mounting type agitation fans, 5- solids
Aromatic, 6- test body, 7- flow control valves, 8- environment nacelles, 9- gas buffer bottles, 10- experimental gas generators, 11- streams
Gauge, 12- attemperators, 13- solvent receptacles, 14- constant water bath box, 15- temperature adjutages, 16- gas-detecting devices.
Specific implementation mode
Technical solution of the present invention is described in further detail in the following with reference to the drawings and specific embodiments, it is described specific
Embodiment is only explained the present invention, is not intended to limit the invention.
Fig. 1 is present system schematic diagram, and Fig. 2 is experimental gas feeder schematic diagram.The present invention is mixed with for one kind
Evil gas removes experimental system, the environment nacelle 8 for mixing pernicious gas removal experiment, environment nacelle described in the present embodiment
8 using specification 8m3The closed organic glass nacelle of (2m*2m*2m).8 top of environment nacelle is provided with for making cabin interior air-flow
Equally distributed ceiling mounting type agitation fan 4, the present embodiment environment nacelle 8 are installation ceiling mounting type agitation fan 4, environmental chamber on roof
Being provided at 8 roof air outlet of body makes fragrant agent generator 5 with fresh air in cabin, and solid, liquid or gas virtue are placed in inside
Pastil is provided with the experiment body 6 for mixing pernicious gas removal, specially air purifier, the present embodiment in environment nacelle 8
8 center of environment nacelle is provided with experiment body 6, is nearby provided with mixing harmful gas detecting device 16, the bottom of environment nacelle 8
It is provided with exhaust outlet, exhaust outlet connects gas-filtering device 3 by exhaust duct, and the present embodiment is specially activated carbon filtering dress
It sets, gas-filtering device 3 is connected through exhaust duct with exhaust fan 1, and exhaust fan 1 will treated experimental gas valve after the adjustment
Outside atmosphere is drained into, also the experimental gas of discharge can be back to air-supply passage by regulating valve carries out secondary reboard processing, ring
Nacelle 8 roof air outlet in border is connected through air supply duct with several experimental gas feeders 2 arranged side by side.According to harmful gas
Body ingredient is different, also may be selected without gas-filtering device, and the entrance of exhaust fan 1 is directly connected to by flow control valve
Discharge.
The experimental gas feeder 2 is connected with air supply duct in parallel, and pernicious gas sent respectively to
Environment nacelle 8.
The experimental gas feeder 2 is connected by air inlet pipe with external compression air, and flow is provided in air inlet pipe
Regulating valve 7, the air inlet pipe are connected to escape pipe through constant water bath box 14, and 11 He of flowmeter has been arranged in series on the escape pipe
Attemperator 12 is provided with temperature adjutage 15 in the constant water bath box 14, and institute's temperature adjutage 15 passes through gas buffer bottle 9
Experimental gas generator 10 is connected, the experimental gas generator 10 is connected to the escape pipe by gas buffer bottle 9.
The experimental method used in the present invention is described further with reference to embodiment：
1. the preparation of test condition：
1.1 accurately adjust experimental gas with flow control valve 7, and a certain amount of experimental gas is injected into environment nacelle
8；
Before the injection of 1.2 experimental gas, experiment body 6 shuts down；
1.3 keep ceiling mounting type agitation fan continuous service, experiment body 6 to stop when operating；
2. initial vapor concentration is tested：
2.1 experimental gas inject and it is agitated after five minutes, with gas measurement device test experiments gas initial concentration, and
Ensure initial vapor concentration in 10 ± 0.1ppm；
2.2 are measured successively according to the sequence of formaldehyde, ammonia, acetaldehyde, acetic acid, toluene；
3.t moment gas concentrations are tested：
3.1 under standard air quantity firing test body 30 minutes；
3.2 carry out sampling test every 5min, according to initial concentration test method to results from residue tests gas concentration；
3.3 stop experiment body operating, are tested residual gas concentration according to the method that initial concentration is tested；
4. pernicious gas removal rate and pernicious gas removal amount calculate：
4.1 calculate the removal rate of each component i gases according to following formula：
Wherein, Ci,30For operating 30 minutes after i gases concentration, ppm；Ci,0For the concentration of initial i gases, ppm
4.2 experiment body pernicious gas removal rates can be calculated according to following formula：
Wherein, η is experiment body pernicious gas removal rate；η1For ammonia removal rate；η2For toluene removal rate；η3It is gone for formaldehyde
Except rate；η4For acetaldehyde removal rate；η5For acetic acid removal rate；
4.3 experiment body pernicious gas removal amounts can be calculated according to following formula：
Wherein, MiFor the removal amount of component i gases, Ci,tFor the concentration of t moment i gases, M is that experiment body pernicious gas is gone
Except amount；
It should be understood that embodiment and example discussed herein simply to illustrate that, to those skilled in the art
For, it can be improved or converted, and all these modifications and variations should all belong to the protection of appended claims of the present invention
Range.
Claims (12)
1. a kind of mixing pernicious gas removes experimental system, including environment nacelle, which is characterized in that the air draft of the environment nacelle
Mouth connects gas-filtering device through exhaust duct, and the gas-filtering device connects exhaust fan entrance through exhaust duct；It is described
Environment nacelle roof is provided with air outlet, and the air outlet is through air supply duct and several experimental gas feeders arranged side by side
It is connected；It is provided with fragrant agent generator at the air outlet, experiment body is provided in the environmental chamber body.
2. a kind of mixing pernicious gas removes experimental system, including environment nacelle, which is characterized in that the air draft of the environment nacelle
Mouth connects exhaust fan entrance through exhaust duct；The environment nacelle roof is provided with air outlet, and the air outlet is through ajutage
Road is connected with several experimental gas feeders arranged side by side；Fragrant agent generator, the ring are provided at the air outlet
Experiment body is provided in the nacelle of border.
3. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the experiment
Gas feeder is connected by air inlet pipe with external compression air, and flow control valve, the air inlet pipe are provided in air inlet pipe
It is connected to escape pipe through constant water bath box, flowmeter and attemperator, the water bath with thermostatic control have been arranged in series on the escape pipe
Temperature adjutage is provided in case, institute's temperature adjutage connects experimental gas generator, the experiment gas by gas buffer bottle
Body generator is connected to the escape pipe by gas buffer bottle.
4. a kind of mixing pernicious gas according to claim 3 removes experimental system, which is characterized in that the experimental gas
It is provided with solvent receptacle at the top of generator.
5. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the experiment
Gas-detecting device is provided with around body.
6. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the gas
Filter device is active carbon filtering device.
7. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the environment
The bottom of nacelle is provided with exhaust outlet.
8. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the environment
The center of nacelle is provided with experiment body.
9. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the environment
It is provided with agitation fan at the top of nacelle.
10. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the fragrance
Solid, liquid or gas aromatic are placed in agent generator.
11. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the environment
Nacelle is made of organic glass material.
12. a kind of mixing pernicious gas according to claim 1 or 2 removes experimental system, which is characterized in that the environment
Nacelle is closed structure, and specification uses 8m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642052.7A CN108518747A (en) | 2018-06-21 | 2018-06-21 | A kind of mixing pernicious gas removal experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642052.7A CN108518747A (en) | 2018-06-21 | 2018-06-21 | A kind of mixing pernicious gas removal experimental system |
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| Publication Number | Publication Date |
|---|---|
| CN108518747A true CN108518747A (en) | 2018-09-11 |
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ID=63428476
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| CN201810642052.7A Pending CN108518747A (en) | 2018-06-21 | 2018-06-21 | A kind of mixing pernicious gas removal experimental system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456004A (en) * | 2019-08-28 | 2019-11-15 | 天津大学 | One kind of multiple gaseous pollutant scavenging material Testing Platforms |
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| CN201477001U (en) * | 2009-09-16 | 2010-05-19 | 河南省建筑科学研究院有限公司 | Test cabin with quantitative generation and purification function of gas pollutant |
| CN102614803A (en) * | 2012-03-20 | 2012-08-01 | 清华大学 | Dynamic generator for multicomponent low-concentration standard gas |
| CN102928323A (en) * | 2012-10-18 | 2013-02-13 | 天津大学 | Air purification filtering material testing experimental system |
| CN208620441U (en) * | 2018-06-21 | 2019-03-19 | 天津大学 | A kind of mixing pernicious gas removal experimental system |
-
2018
- 2018-06-21 CN CN201810642052.7A patent/CN108518747A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566531A (en) * | 2009-05-14 | 2009-10-28 | 中国建筑科学研究院 | Environment test cabin and method for obtaining test environment by applying same |
| CN201477001U (en) * | 2009-09-16 | 2010-05-19 | 河南省建筑科学研究院有限公司 | Test cabin with quantitative generation and purification function of gas pollutant |
| CN102614803A (en) * | 2012-03-20 | 2012-08-01 | 清华大学 | Dynamic generator for multicomponent low-concentration standard gas |
| CN102928323A (en) * | 2012-10-18 | 2013-02-13 | 天津大学 | Air purification filtering material testing experimental system |
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Application publication date: 20180911 |