CN204389464U - A kind of experiment smog box and smoke detection system - Google Patents
A kind of experiment smog box and smoke detection system Download PDFInfo
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- CN204389464U CN204389464U CN201420798060.8U CN201420798060U CN204389464U CN 204389464 U CN204389464 U CN 204389464U CN 201420798060 U CN201420798060 U CN 201420798060U CN 204389464 U CN204389464 U CN 204389464U
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- smog box
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- smog
- detection system
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Abstract
The utility model relates to a kind of experiment smog box, it comprises bracing frame, the press strip be arranged on bracing frame, respectively the panel arranged on relative two faces of bracing frame and be arranged on bracing frame all the other four sides on fep film; The utility model also relates to the smoke detection system comprising described smog box.The utility model structure is simple, can realize carrying out simulated experiment for varying environment, and easy disassembly is safeguarded, and easy and simple to handle, is beneficial to this professional researchist and uses for reference, without the need to spending any creative work to reproduce, practical.
Description
Technical field
The utility model belongs to photochemical reaction apparatus field, is specifically related to a kind of experiment smog box and smoke detection system.
Background technology
Atmospheric photochemical reaction comprises a lot of aspect, the problem be concerned by people most is at present exactly the conversion of volatile organic matter (VOCs) to secondary particulate (SOA), due to the secondary particulate complicated component generated, and be the important component part of PM2.5, therefore, this research direction becomes the focus that everybody pays close attention to.
The generating principle of secondary organic aerosol is very complicated, and influence factor is a lot, and meteorological condition is as humidity, sunlight middle-ultraviolet lamp intensity etc., and the kind of pollutant and the generation of content to secondary organic aerosol also have a significant impact in addition.In order to describe the formation mechenism of secondary organic aerosol, need to control accurately experimentation, this just needs to set up one and closes controlled experimental situation.
Smog box known at present is generally divided into indoor and outdoors two kinds, and outdoor smog box is not by space constraint, generally large than indoor smog case volume, can utilize solar radiation, real simulation atmospheric reaction environment.But light intensity changes along with the change of natural conditions on the other hand, and surrounding environment is also in continuous change, also causes experiment to repeat.
Indoor smog case system is due to the accurate control of temperature, humidity, light intensity, and experimental repeatability is good, especially uses Mechanism Validation.Develop the reasonable NGC smog box system having University of California Riverside, comprise the reactor of 2 90m3, be equipped with a large amount of instrument and equipment, but this smog box system is too huge, expenditure of construction high being unfavorable for promotes.
Existing indoor smog case and smoke detection system are all generally fix in the lab, for academic research, disclosed data is generally system introduction and the Achievements Introduction carrying out experimental study after having built, lack making and the installation process of smog box main body, be difficult to use for reference enforcement for those skilled in the art.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, detachable, Portable belt, the experiment smog box maintaining easily and detect and smoke detection system.
The technical scheme that the utility model solves the employing of its technical matters is: a kind of experiment smog box, and it comprises two panels be arranged in parallel, is arranged on the bracing frame between two panels, the press strip being arranged on panel avris and the fep film be arranged between panel and press strip; The two ends of support frame as described above are fixedly installed on two panels respectively, and described fep film to be arranged between two panels and to connect two panels; On described panel avris and press strip, correspondence arranges connecting hole, described connecting hole is provided with the bolt connecting panel and press strip; Described panel is arranged the retaining valve that air-flow is passed through.
Preferably, described retaining valve is arranged on connection hole.
Preferably, be provided with two-layer sealing strip between support frame as described above and press strip, described fep film is arranged between two-layer sealing strip.
Preferably, described fep film thickness is 50 microns.
Preferably, described panel material selects organic glass.
The invention still further relates to a kind of smoke detection system comprising described smog box, it gas distributing system, the fuming cupboard being arranged on smog box outside and checkout equipment be connected with smog box by retaining valve of comprising smog box, being connected with smog box by retaining valve.
Preferably, uviol lamp is provided with in described fuming cupboard.
Preferably, described fuming cupboard inwall is provided with aluminium foil reflectance coating.
Preferably, described gas distributing system comprises gas bomb, with gas bomb by the surge flask of pipeline communication, the drug vial that is communicated with surge flask, arrange flowmeter between described gas bomb and surge flask, described drug vial is connected to the retaining valve of smog box by pipeline and is communicated with smog box.
The one in Temperature Humidity Sensor, gas chromatograph, gas chromatography mass spectrometry, Fourier infrared spectrograph, droplet measurement instrument, oxides of nitrogen detector or Ozone Monitor selected by checkout equipment of the present invention, but be not limited only to above-mentioned checkout equipment, the checkout equipment that this area is commonly used is all in range of choices.
Good effect of the present utility model is:
1, the panel of the utility model smog box, fep film and press strip are all detachable, and assembling attended operation is convenient, and structure is simple, replaceable after when fep film, cost-saving;
2, each textural association mode of the utility model is flexible, is convenient to portable and carrying;
3, clear to gas reaction process prescription, uviol lamp simulated solar irradiation, can enter casing through FEP film and irradiate gas in case, simulate the experimental situation being applicable to research secondary organic aerosol;
4, retaining valve unidirectionally can pass into experimental gas, prevents from flowing backwards;
5, smog box main body adopts fep film, and FEP is fluorinated ethylene propylene copolymer, extensively, not easily reacts with Organic aerosol through ultraviolet function admirable, tolerable temperature scope;
6, organic glass selected by panel, applied widely, and processing is convenient, and customization is convenient, can according to the panel of different requirements customization different size;
7, smoke detection system arranges fuming cupboard and can effectively prevent the toxic and harmful in experimentation from spilling in air, avoids the pollution damage of testing environment and experimenter;
8, aluminium foil reflectance coating is set in fuming cupboard, prevents ultraviolet from damaging experimenter, keep uitraviolet intensity, the condition loss of Enhancement test, improve experiment accuracy rate.
Smog box of the present utility model and smoke detection system can realize carrying out simulated experiment for varying environment, and easy disassembly is safeguarded, and easy and simple to handle, are beneficial to this professional researchist and use for reference, without the need to spending any creative work to reproduce, practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model smoke detection system;
Fig. 2 is the structural representation of the fuming cupboard of the utility model smoke detection system;
Fig. 3 is the structural representation of the utility model smog box;
Fig. 4 is the assembling schematic diagram of the utility model smog box panel and fep film;
In accompanying drawing, 1 smog box, 11 bracing frames, 12 press strips, 13 panels, 14FEP film, 15 connecting holes, 16 bolts, 17 retaining valves, 18 sealing strips, 2 gas distributing systems, 21 gas bombs, 22 surge flasks, 23 drug vial, 24 flowmeters, 3 fuming cupboards, 31 uviol lamps, 32 aluminium foil reflectance coatings, 4 checkout equipments.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, below in conjunction with the drawings and specific embodiments in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
embodiment 1
As shown in Figures 3 and 4, embodiment 1 one kinds of experiment smog boxes, it comprises two panels be arranged in parallel 13, is arranged on the bracing frame 11 between two panels 13, the press strip 12 being arranged on panel 13 avris and the fep film 14 be arranged between panel 13 and press strip 12; The two ends of support frame as described above 11 are fixedly installed on two panels 13 respectively, and described fep film 14 to be arranged between two panels and to connect two panels 13; On described panel 13 avris and press strip 12, correspondence arranges connecting hole 15, described connecting hole 15 is provided with the bolt 16 connecting panel 13 and press strip 12; Described panel 13 is arranged the retaining valve 17 that air-flow is passed through.
Described retaining valve 17 is arranged in the middle part of connecting hole 15 place and/or panel 13, and described retaining valve 17 makes air-flow enter in smog box on a panel 13, another panel 13 makes air-flow flow out smog box.
Support frame as described above 11 and press strip 12 between be provided with two-layer sealing strip 18, described sealing strip 18 is teflon seal bar, and described fep film 14 is arranged between two-layer sealing strip 18.
Described fep film 14 thickness is 50 microns.
Described panel 13 material selection organic glass.
embodiment 2
As illustrated in fig. 1 and 2, embodiment 2 one kinds of smoke detection systems, it smog box 1 comprising embodiment 1, the gas distributing system 2, the fuming cupboard 3 being arranged on smog box 1 outside and the checkout equipment 4 be connected with smog box 1 by retaining valve 17 that are connected with smog box 1 by retaining valve 17.
Uviol lamp 31 is provided with in described fuming cupboard 3.
Described fuming cupboard 3 inwall is provided with aluminium foil reflectance coating 32.
Described gas distributing system 2 comprises gas bomb 21, with gas bomb 21 by the surge flask 22 of pipeline communication, the drug vial 23 that is communicated with surge flask 22, arrange flowmeter 24 between described gas bomb 21 and surge flask 22, described drug vial 23 is connected to the retaining valve 17 of smog box 1 by pipeline and is communicated with smog box 1.
Described checkout equipment selects Temperature Humidity Sensor (PXS-10 digital hygro sensor), gas chromatograph (Shimadzu or Agilent), FTIR spectrum (U.S. Thermo Fisher Nicolet 6700, IS10 or IS5), droplet measurement instrument (Sai Nawei CW-100), oxides of nitrogen detector (Model 42C) or Ozone Monitor (U.S. ECO UV-100), but be not limited only to above-mentioned checkout equipment type and model, the checkout equipment that this area is commonly used is all in range of choices.
The course of work of embodiment 2 is: high-purity Prof. Du Yucang air is stored in gas bomb 21, gas in gas bomb 21 is by entering surge flask 22 and drug vial 23 after flowmeter 24, pure organism liquid type reagent is housed in drug vial 23, the volatile organic matter in synthesis of air in simulated atmosphere is evaporated into by Bubbling method, gas enters smog box 1 by the retaining valve 17 of smog box 1, smog box 1 forms confined space by fep film 14 and panel 13, retaining valve 1 stops gas leak, open the uviol lamp 31 of fuming cupboard 3, uviol lamp 31 irradiates through the gas in fep film 14 pairs of smog boxes 1, simulated solar irradiation irradiates the situation of air, generate secondary particulate.In gas reaction process, open the retaining valve 17 be connected with checkout equipment 4, gas enters checkout equipment 4, detects.
Claims (9)
1. an experiment smog box, it is characterized in that, it comprises two panels be arranged in parallel (13), is arranged on the bracing frame (11) between two panels (13), the press strip (12) being arranged on panel (13) avris and the fep film (14) be arranged between panel (13) and press strip (12); The two ends of support frame as described above (11) are fixedly installed on two panels (13) respectively, and described fep film (14) to be arranged between two panels and to connect two panels; Described panel (13) avris and the upper correspondence of press strip (12) arrange connecting hole (15), described connecting hole (15) are provided with the bolt (16) connecting panel (13) and press strip (12); Described panel (13) above arranges the retaining valve (17) that air-flow is passed through.
2. a kind of experiment smog box according to claim 1, it is characterized in that, described retaining valve (17) is arranged on connecting hole (15) place.
3. a kind of experiment smog box according to claim 1, it is characterized in that, be provided with two-layer sealing strip (18) between support frame as described above (11) and press strip (12), described fep film (14) is arranged between two-layer sealing strip (18).
4. a kind of experiment smog box according to claim 1, it is characterized in that, described fep film (14) thickness is 50 microns.
5. a kind of experiment smog box according to claim 1, is characterized in that, described panel (13) material selection organic glass.
6. one kind comprises the smoke detection system of smog box described in any one of claim 1-5, it is characterized in that, it gas distributing system (2), the fuming cupboard (3) being arranged on smog box (1) outside and checkout equipment (4) be connected with smog box (1) by retaining valve (17) of comprising smog box (1), being connected with smog box (1) by retaining valve (17).
7. a kind of smoke detection system according to claim 6, is characterized in that, is provided with uviol lamp (31) in described fuming cupboard (3).
8. a kind of smoke detection system according to claim 6, is characterized in that, described fuming cupboard (3) inwall is provided with aluminium foil reflectance coating (32).
9. a kind of smoke detection system according to claim 6, it is characterized in that, described gas distributing system (2) comprises gas bomb (21), with gas bomb (21) by the surge flask (22) of pipeline communication, the drug vial (23) that is communicated with surge flask (22), arrange flowmeter (24) between described gas bomb (21) and surge flask (22), described drug vial (23) is connected to the retaining valve (17) of smog box (1) by pipeline and is communicated with smog box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420798060.8U CN204389464U (en) | 2014-12-17 | 2014-12-17 | A kind of experiment smog box and smoke detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420798060.8U CN204389464U (en) | 2014-12-17 | 2014-12-17 | A kind of experiment smog box and smoke detection system |
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| CN204389464U true CN204389464U (en) | 2015-06-10 |
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| CN201420798060.8U Expired - Fee Related CN204389464U (en) | 2014-12-17 | 2014-12-17 | A kind of experiment smog box and smoke detection system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606758A (en) * | 2016-01-15 | 2016-05-25 | 上海大学 | Method and device for studying mechanism that secondary organic aerosol is produced by photo-oxidation transformation of fuel coal |
| CN106000484A (en) * | 2016-07-13 | 2016-10-12 | 西安建筑科技大学 | Photochemical simulation smog chamber |
| CN106680263A (en) * | 2017-01-04 | 2017-05-17 | 苏州汉宣检测科技有限公司 | Sealing device for testing yield of secondary organic aerosol and use method of sealed device |
| CN106781950A (en) * | 2017-01-03 | 2017-05-31 | 中国人民解放军第八医院 | A kind of multi-functional smog for medical research is caused injury experimental facilities |
| CN111896212A (en) * | 2020-08-04 | 2020-11-06 | 四川新希望六和农牧有限公司 | Method and device for detecting ventilation effect of livestock house |
-
2014
- 2014-12-17 CN CN201420798060.8U patent/CN204389464U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606758A (en) * | 2016-01-15 | 2016-05-25 | 上海大学 | Method and device for studying mechanism that secondary organic aerosol is produced by photo-oxidation transformation of fuel coal |
| CN105606758B (en) * | 2016-01-15 | 2017-08-11 | 上海大学 | The method and apparatus of studying coal-fired photooxidation development generation secondary organic aerosol mechanism |
| CN106000484A (en) * | 2016-07-13 | 2016-10-12 | 西安建筑科技大学 | Photochemical simulation smog chamber |
| CN106781950A (en) * | 2017-01-03 | 2017-05-31 | 中国人民解放军第八医院 | A kind of multi-functional smog for medical research is caused injury experimental facilities |
| CN106680263A (en) * | 2017-01-04 | 2017-05-17 | 苏州汉宣检测科技有限公司 | Sealing device for testing yield of secondary organic aerosol and use method of sealed device |
| CN111896212A (en) * | 2020-08-04 | 2020-11-06 | 四川新希望六和农牧有限公司 | Method and device for detecting ventilation effect of livestock house |
| CN111896212B (en) * | 2020-08-04 | 2022-06-07 | 四川新希望六和农牧有限公司 | Method and device for detecting ventilation effect of livestock house |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |