CN103195257A - Installation method of smog chamber for outdoor photochemistry comprehensive experiment system - Google Patents
Installation method of smog chamber for outdoor photochemistry comprehensive experiment system Download PDFInfo
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- CN103195257A CN103195257A CN201310125025XA CN201310125025A CN103195257A CN 103195257 A CN103195257 A CN 103195257A CN 201310125025X A CN201310125025X A CN 201310125025XA CN 201310125025 A CN201310125025 A CN 201310125025A CN 103195257 A CN103195257 A CN 103195257A
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Abstract
The invention provides an installation method of a smog chamber for an outdoor photochemistry comprehensive experiment system. The installation method detailedly describes the steps of installing the smog chamber on a building roof and fixing a smog chamber body made of FEP (fluorinated ethylene propylene) films on a framework of the smog chamber, and further describes a cleaning step and a testing step after finish of installing the smog chamber body. The installation method completely and detailedly introduces details such as structure, installation and debugging of the smog chamber of the outdoor photochemistry comprehensive experiment system, can be referenced and implemented by technical staff in the field, and can be carried out without any creative works.
Description
Technical field
The present invention relates to a kind of smog box, particularly a kind of smog box and mounting method thereof for outdoor photochemistry comprehensive experimental system.
Background technology
Photochemical fog claims " photochemical pollution (photochemical pollution) " again.The harmful mixing smog that forms because of photochemical reaction in the atmosphere.As hydrocarbon in the atmosphere and the oxynitrides chemical pollutant that chemically reactive produces under the effect of sunlight.Nineteen forty-four, photochemical fog took place in Los Angeles,U.S first, and after this Tokyo, Mexico City, Lanzhou, Shanghai and other many automobiles pollute heavy city more, all once occur, and have become many metropolitan a kind of main air pollution phenomenons.
Photochemical fog is to produce in the system of complexity, and meteorological condition (stability of atmosphere, wind direction, wind speed, humidity, sunlight flux etc.), pollutant situation (composition, content, discharging) and chemical reaction etc. all play an important role.Therefore, understand fully the formation mechanism of photochemical fog, in surveying contaminated regional atmosphere, the pollutant levels, also will from the meteorological condition of complexity, separate chemical reaction.
For this reason, scientific research institution has designed various types of photochemical fog casees both at home and abroad, under controlled condition, simulate chemical process in the atmosphere with the solar radiation primary pollution of suitable intensity, and draw the reaction mechanism that is formed photochemical oxidant by primary pollution by the research of chemical reaction template.At present known smog box both domestic and external divides outdoor and indoor two kinds usually, and the maximum characteristics of outdoor smog box are to adopt solar radiation, but experiment is subjected to weather effect big, and uncontrollable factor is many, is difficult to repetition.Development abroad numerous outdoor smog box system, the SAPHIR (http://www.fz-juelich.de/icg/icg-2/saphir) of Hispanic EUPHORE (http://euphore.es) and Germany is typically arranged.
Simultaneously, on the basis of outdoor smog box research, developed corresponding photochemistry comprehensive experimental system, be on the basis of core at outdoor smog box, supporting corresponding control and measurement means, in order to processes such as diffusion, conveying, chemical conversion and sedimentations with the relation between air quality and the pollution sources, show with mathematic(al) mode, with composition and the variation of concentration on time, space of predicting pollutant under the various meteorological conditions, and to the influence of air quality, seek to control the measure of photochemical fog accordingly.
The existing system that can be used for outdoor photochemistry Comprehensive Experiment is generally used for academic research, practicality and repeatability are not high, especially lack the introduction of data such as corresponding installation, debugging, obtainable from open channel institute only is after its construction is finished and the introduction of the certain situation of utilization smog box research experiment wherein, and lack the introduction of the structure, installation, debugging etc. of complete outdoor photochemistry comprehensive experimental system, be difficult to use for reference enforcement for those skilled in the art.That is to say that those skilled in the art can't not pass through the existing outdoor photochemistry comprehensive experimental system of creative work repetition according to available data.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of outdoor photochemistry comprehensive experimental system, to reduce or to avoid problem noted earlier.Especially, the invention provides a kind of mounting method of the smog box for outdoor photochemistry comprehensive experimental system.
For solving the problems of the technologies described above, the present invention proposes a kind of mounting method of the smog box for outdoor photochemistry comprehensive experimental system, described outdoor photochemistry comprehensive experimental system comprises smog box, protective cover, condensing unit, clean air device and experimental analysis device totally five major parts, wherein said protective cover, condensing unit, clean air device and experimental analysis device link to each other with described smog box respectively, described smog box is arranged on the roof of a concrete structure, and described mounting method comprises the steps:
The opening of a rectangle is set on described roof, an aluminium sheet sealing is covered described opening, at upper surface covering one deck fep film of described aluminium sheet;
At least be provided with clean air entrance and exit, personnel's import and export and thief hatch on the described aluminium sheet; Described clean air entrance and exit, personnel are imported and exported and the fep film of thief hatch position utilizes instrument to scratch corresponding circular hole, and with tapping fep film and described aluminium sheet with polytetrafluoroethylene (PTFE) adhesive tape close adhesion; In described circular hole position the blind flange that wraps up with fep film is set, described blind flange is fixed on the described aluminium sheet by the polytetrafluoroethylene (PTFE) screw;
Above described aluminium sheet, be positioned at the regional extent of described opening, the framework of described smog box is erected on the described aluminium sheet across the fep film on the described aluminium sheet, and by the polytetrafluoroethylene (PTFE) screw penetrate described fep film with described framework overall fixed on described aluminium sheet;
Passing gap between described framework behind the smog box folding box body that does not have the end that fep film is made, to be placed into described framework inner and strut, and the fep film of the lower edge of described smog box casing and described surface of aluminum plate is overlapping and be installed in described aluminium sheet periphery with press strip;
From described aluminium sheet below the blind flange that described personnel import and export the position is opened, installation personnel enters described smog box casing and it is strutted, and side and the top of described smog box casing is installed on the described framework by polytetrafluoroethylene (PTFE) screw and press strip respectively;
Described smog box casing installs, and the constructor uses dust-free paper or non-dust cloth and high purity water to clean to described smog box box house, imports and exports from described personnel at last and withdraws from and cover blind flange;
In described smog box, fill pure air by described clean air entrance and exit at last, pass through the clean-up performance of gas in the described thief hatch detection case then.Utilize tracer (comprise and be not limited to six sulfur chlorides (SF6)) change in concentration, check the leak of described smog box and repair until up to standard.
Preferably, described aluminium sheet is greater than described opening.
Preferably, install before the described aluminium sheet, the size that prior tow sides at described aluminium sheet are contrasted described opening has drawn corresponding lines, and double-edged lines position is identical.
Preferably, the framework of described smog box being erected at the regional extent that described aluminium sheet top is positioned at described opening is by realizing within the lines scope that described framework is erected at described aluminium sheet front.
The complete detailed introduction of the present invention the details such as structure, installation, debugging of smog box of outdoor photochemistry comprehensive experimental system, can use for reference enforcement for those skilled in the art, need not to spend any creative work.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein,
Fig. 1 shows is topological structure schematic diagram according to outdoor photochemistry comprehensive experimental system of the present invention;
Fig. 2 shows is decomposition diagram according to the outdoor photochemistry comprehensive experimental system of a specific embodiment of the present invention;
What Fig. 3 showed is the detailed construction decomposition diagram of smog box among Fig. 2;
What Fig. 4 showed is that protective cover closes up view;
What Fig. 5 showed is protective cover open mode schematic diagram.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
Fig. 1 shows is topological structure schematic diagram according to outdoor photochemistry comprehensive experimental system of the present invention, as shown in the figure, outdoor photochemistry comprehensive experimental system of the present invention comprises smog box 1, protective cover 2, condensing unit 3, clean air device 4 and experimental analysis device 5 totally five major parts, wherein smog box 1 is the nucleus equipment of whole system, four parts of other of whole comprehensive experimental system all center on smog box 1 and design setting, that is to say that protective cover 2, condensing unit 3, clean air device 4 and experimental analysis device 5 link to each other with smog box 1 respectively.
Fig. 2 shows is decomposition diagram according to the outdoor photochemistry comprehensive experimental system of a specific embodiment of the present invention, as shown in the figure, in the outdoor photochemistry comprehensive experimental system of the present invention, smog box 1 is arranged on the roof 61 of a concrete structure 6, just is exposed to the outdoor of described concrete structure 6.Adopt the purpose of concrete structure 6 to be the support that provides firm, and take full advantage of heat insulation, the sound damping of concrete construction, avoid the too fast and soundproof effect difference of metal support structure heat conduction to the influence of experimental result and environment.
The opening 62 that has a rectangle on the roof 61, described opening 62 is covered by 63 sealings of an aluminium sheet, and namely described aluminium sheet 63 is greater than described opening 62, and the intimate on the edge of aluminium sheet 63 and described roof 61 is fitted.Smog box 1 is wholy set in described aluminium sheet 63 tops, and is positioned at the regional extent of described opening 62.For ease of the location, install before the aluminium sheet 63, the size of just contrasting opening 62 at the tow sides of aluminium sheet 63 has drawn corresponding lines 621 in advance, and double-edged lines position should be identical.
The benefit that smog box 1 is arranged at aluminium sheet 63 tops can conveniently arrange structure (not shown) such as condensing unit 3 below aluminium sheet 63; Simultaneously because aluminium sheet 63 process easily, be convenient at aluminium sheet 63 various openings and seal cover are set, for example clean air entrance 42 and export 43, personnel import and export 633, thief hatch 634 etc. (referring to Fig. 3).
As shown in Figure 3, what wherein show is the detailed construction decomposition diagram of smog box 1 among Fig. 2, smog box 1 reaches the smog box casing of being made by the transparent membrane of its support 12 by framework 11 and constitutes, sunlight can shine in the smog box 1 through the smog box casing 12 that transparent membrane is made, thereby can obtain be suitable for the experimental situation of simulated light chemical contamination in the inside of smog box 1.In a preferred embodiment, smog box casing 12 is by the good FEP(fluorinated ethylene propylene copolymer of light transmission) film makes, and fep film temperature wide accommodation can tolerate common low temperature and hot environment and non-mutability can be applicable to outdoor environment for a long time.
Among Fig. 3, be close to whole framework 11 inboards and supporting smog box casing 12 all, because smog box casing 12 is transparent, be difficult to express by view, but those skilled in the art should be easy to just can understand according to text description.
Because smog box 1 is exposed to outdoor, for the influence of avoiding smog box 1 to be subjected to adverse circumstances such as dust storm sleet destroys, have among protective cover 2(Fig. 3 in the arranged outside of smog box 1 and to have omitted, referring to Fig. 2,4,5), described protective cover 2 is folding flaabellum shape structure, can fold contraction (Fig. 5) in the time of experiment, exposes smog box 1, can launch when not testing at ordinary times to close up (Fig. 4), smog box 1 is shielded in protective cover 2 inside.
Demonstration among condensing unit 3(Fig. 3) setting is positioned at the below of the aluminium sheet 63 of smog box 1 below, comprise structures such as condensation pipe, condensation unit, be used for the environment temperature of smog box 1 is regulated, make smog box 1 temperature inside keep uniformity simultaneously as far as possible.
Before smog box 1 experimentizes at every turn, need all convert the gas in the smog box 1 to pure air, to prevent that existing gas causes interference to experimental result in the smog box 1.Therefore in outdoor photochemistry comprehensive experimental system of the present invention, being provided with to provide the clean air of pure air system 4, as shown in Figure 3,4 pairs of air of described clean air system purify, cross clean air entrance 42 and the outlet 43 that smog box 1 bottom arranges by the pipeline circular flow then, so that smog box 1 is thoroughly purified.Described clean air system 4 can adopt commercially available clean air system, for example AADCO737 series clean air generation systems produced in USA etc.
Experimental analysis device 5 is arranged at (not shown) in the concrete structure 6 of smog box 1 below, the analytical equipments such as chromatograph that comprise gas chromatography combined with mass spectrometry analyzer, the fourier infrared analyzer in belt length light path optical absorption pond, normally gaseous pollutant in-line analyzer, electromobility particle particle diameter spectrometer and band photoion detector, can realize the on-line analysis to normally gaseous pollutant, trace nitrogen oxide, common organic pollution and fine particle, reach the semi-on-line analysis at the volatile organic pollution.Experimental analysis device 5 is connected with environment in the case by the thieff hatch 634 on the aluminium sheet 63 under the smog box 1.
Describe the mounting method according to the smog box that is used for outdoor photochemistry comprehensive experimental system of a specific embodiment of the present invention with reference to the accompanying drawings in detail, in the present embodiment, as previously mentioned, outdoor photochemistry comprehensive experimental system comprises smog box 1, protective cover 2, condensing unit 3, clean air device 4 and experimental analysis device 5 be totally five major parts, wherein said protective cover 2, condensing unit 3, clean air device 4 and experimental analysis device 5 link to each other with described smog box 1 respectively (Fig. 1), smog box 1 is arranged on the roof 61 of a concrete structure 6 (Fig. 2), and concrete mounting method comprises the steps:
As Figure 1-3, at first, 61 openings 62 that a rectangle is set on the roof cover described opening 62 with 63 sealings of an aluminium sheet, cover one deck fep film (not shown) at the upper surface of described aluminium sheet 63.As previously mentioned, because aluminium sheet 63 needs sealing to cover described opening 62, so aluminium sheet 63 is greater than described opening 62, for ease of the location, install before the aluminium sheet 63, in advance the size of just contrasting opening 62 at the tow sides of aluminium sheet 63 has drawn corresponding lines 621, and double-edged lines position should be identical.After aluminium sheet 63 covers on the opening 62, whether aimed at the edge of opening 62 from the lines at opening 62 beneath aluminium sheets 63 back sides, with this position of regulating aluminium sheet 63, make aluminium sheet 63 be positioned at right position according to design.
At least be provided with clean air entrance 42 and outlet 43, personnel on the aluminium sheet 63 and import and export 633 and thief hatch 634; With clean air entrance 42 and outlet 43, personnel import and export 633 and the fep film of thief hatch 634 positions utilize instrument to scratch corresponding circular hole, and with tapping fep film and described aluminium sheet 63 with polytetrafluoroethylene (PTFE) adhesive tape close adhesion; In described circular hole position the blind flange that wraps up with fep film is set, described blind flange is fixed on the described aluminium sheet 63 by the polytetrafluoroethylene (PTFE) screw.
Afterwards, above described aluminium sheet 63, be positioned at the regional extent of described opening 62, the framework 11 of described smog box 1 is erected on the described aluminium sheet 63 across the fep film on the described aluminium sheet 63, and by the polytetrafluoroethylene (PTFE) screw penetrate described fep film with described framework 11 overall fixed on described aluminium sheet 63.In this step, because aluminium sheet 63 tow sides all are decorated with the lines 621 that indicate opening 62 positions, therefore, after aluminium sheet 63 was installed the location, the position at lines 621 places in aluminium sheet 63 fronts just in time was exactly the position at opposite opening 62 places of aluminium sheet 63; Be erected at the regional extent that aluminium sheet 63 tops are positioned at opening 62 with the framework 11 of smog box 1 and just become very simple this moment: as long as framework 11 is erected within the lines scope in aluminium sheet 63 fronts just passable.
Then, it is inner and strut that the gap of passing 11 of described frameworks after the smog box casing that does not have the end that fep film is made 12 is folding is placed into described framework 11, and the fep film of the lower edge of described smog box casing 12 and described surface of aluminum plate is overlapping and be installed in the periphery of described aluminium sheet 63 with the press strip (not shown).
Again, from described aluminium sheet 63 belows the blind flange that described personnel import and export 633 positions is opened, installation personnel is imported and exported 633 by personnel and is entered in the described smog box casing 12 and with it and strut, and side and the top of described smog box casing 12 is installed on the described framework 11 by polytetrafluoroethylene (PTFE) screw and press strip (not shown) respectively.
Described smog box casing 12 installs, and the constructor cleans the described smog box casing 12 inner dust-free papers or non-dust cloth and high purity water of using, and imports and exports 633 from described personnel at last and withdraws from and cover blind flange.Dust-free paper or non-dust cloth soak with high purity water, are used for wiping and sticking except the dust particle.The fine grained that uses dust-free paper or non-dust cloth can avoid dropping pollutes casing, uses high purity water can avoid volatile organic matter or inorganic ions that casing is polluted.
In described smog box 1, fill pure air by described clean air entrance and exit at last, pass through the clean-up performance of gas in the described thief hatch detection case then.Utilize tracer (comprise and be not limited to six sulfur chlorides (SF6)) change in concentration, check the leak of described smog box and repair until up to standard.
What more than introduce is the basic installation process of smog box 1, after smog box 1 installation, also need further in building 6 and smog box 1, to arrange and condensing unit 3, clean air device 4, experimental analysis device 5 grades are relevant to be structural device etc., in addition, also need be at arranged outside protective cover 2 of smog box 1 etc.
Though it will be appreciated by those skilled in the art that the present invention is that mode according to a plurality of embodiment is described, and is not that each embodiment only comprises an independently technical scheme.Narration like this only is for the sake of clarity in the manual; those skilled in the art should make manual as a wholely to be understood, and regard technical scheme related among each embodiment as the mode that can be combined into different embodiment mutually understand protection scope of the present invention.
The above only is the schematic specific embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, the equivalent variations of doing under the prerequisite that does not break away from design of the present invention and principle, modification and combination all should belong to the scope of protection of the invention.
Claims (4)
1. mounting method that is used for the smog box of outdoor photochemistry comprehensive experimental system, described outdoor photochemistry comprehensive experimental system comprises smog box (1), protective cover (2), condensing unit (3), clean air device (4) and experimental analysis device (5) be totally five major parts, wherein said protective cover (2), condensing unit (3), clean air device (4) links to each other with described smog box (1) respectively with experimental analysis device (5), described smog box (1) is arranged on the roof (61) of a concrete structure (6), it is characterized in that described mounting method comprises the steps:
In described roof (61) opening (62) of a rectangle is set, an aluminium sheet (63) sealing is covered described opening (62), cover one deck FEP(fluorinated ethylene propylene copolymer at the upper surface of described aluminium sheet (63)) film.
At least be provided with clean air entrance and exit, personnel's import and export and thief hatch on the described aluminium sheet (63); Described clean air entrance and exit, personnel are imported and exported and the fep film of thief hatch position utilizes instrument to scratch corresponding circular hole, and with tapping fep film and described aluminium sheet (63) with polytetrafluoroethylene (PTFE) adhesive tape close adhesion; In described circular hole position the blind flange that wraps up with fep film is set, described blind flange is fixed on the described aluminium sheet (63) by the polytetrafluoroethylene (PTFE) screw.
Be positioned at the regional extent of described opening (62) in the top of described aluminium sheet (63), the framework (11) of described smog box (1) is erected on the described aluminium sheet (63) across the fep film on the described aluminium sheet (63), and by the polytetrafluoroethylene (PTFE) screw penetrate described fep film with described framework (11) overall fixed on described aluminium sheet (63).
Passing gap between described framework (11) after the smog box casing (12) that does not have the end that fep film is made is folding, to be placed into described framework (11) inner and strut, and the fep film of the lower edge of described smog box casing (12) and described surface of aluminum plate is overlapping and be installed in described aluminium sheet periphery with press strip.
From described aluminium sheet below the blind flange that described personnel import and export the position is opened, installation personnel enters described smog box casing (12) and it is strutted, and side and the top of described smog box casing (12) is installed on the described framework (11) by polytetrafluoroethylene (PTFE) screw and press strip respectively.
Described smog box casing (12) installs, and the constructor cleans the inner dust-free paper or non-dust cloth and high purity water of using of described smog box casing (12), imports and exports from described personnel at last and withdraws from and cover blind flange.
In described smog box (1), fill pure air by described clean air entrance and exit at last, pass through the clean-up performance of gas in the described thief hatch detection case then.Utilize tracer (comprise and be not limited to six sulfur chlorides (SF6)) change in concentration, check the leak of described smog box and repair until up to standard.
2. method according to claim 1 is characterized in that, described aluminium sheet is greater than described opening.
3. method according to claim 1 and 2 is characterized in that, installs before the described aluminium sheet, and the size that prior tow sides at described aluminium sheet are contrasted described opening has drawn corresponding lines, and double-edged lines position is identical.
4. according to the described method of claim 1-3, it is characterized in that it is by realizing within the lines scope that described framework is erected at described aluminium sheet front that the framework of described smog box is erected at the regional extent that described aluminium sheet top is positioned at described opening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310125025.XA CN103195257B (en) | 2013-04-11 | 2013-04-11 | Installation method of smog chamber for outdoor photochemistry comprehensive experiment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310125025.XA CN103195257B (en) | 2013-04-11 | 2013-04-11 | Installation method of smog chamber for outdoor photochemistry comprehensive experiment system |
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| CN103195257A true CN103195257A (en) | 2013-07-10 |
| CN103195257B CN103195257B (en) | 2014-12-31 |
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| CN101829532A (en) * | 2010-03-23 | 2010-09-15 | 深圳市华测检测技术股份有限公司 | Pressure-adjusting method of atmospheric photochemical reaction |
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2013
- 2013-04-11 CN CN201310125025.XA patent/CN103195257B/en not_active Expired - Fee Related
Patent Citations (5)
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| US2632112A (en) * | 1950-08-03 | 1953-03-17 | Cons Eng Corp | Mass spectrometry |
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