CN109237231A - One kind can deformation packaged type smog box - Google Patents

One kind can deformation packaged type smog box Download PDF

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Publication number
CN109237231A
CN109237231A CN201811195280.0A CN201811195280A CN109237231A CN 109237231 A CN109237231 A CN 109237231A CN 201811195280 A CN201811195280 A CN 201811195280A CN 109237231 A CN109237231 A CN 109237231A
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CN
China
Prior art keywords
smog
cabinet
deformation
support frame
packaged type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811195280.0A
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Chinese (zh)
Inventor
阮佳鑫
马嫣
郑军
马鑫
杨栋森
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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Priority to CN201811195280.0A priority Critical patent/CN109237231A/en
Publication of CN109237231A publication Critical patent/CN109237231A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00Enclosures; Chambers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The invention discloses one kind can deformation packaged type smog box, PP plate is fixed on support frame, and smog cabinet is fixed on support frame by fixed rope, and the bottom of smog cabinet is supported on PP plate, and two groups of source symmetrics are placed in the two sides of smog cabinet;BULKHEAD UNION there are two being all provided on parallel two sides in smog cabinet, a BULKHEAD UNION is equipped on the bottom surface of smog cabinet, and the BULKHEAD UNION in smog tank floor is through PP plate, spinner handle is arranged in the BULKHEAD UNION in smog tank floor, and one end of spinner handle stretches in smog box body and is fixedly connected with fan, the other end of spinner handle is fixedly connected with the shaft of motor;Universal wheel is fixed on support frame.Small volume of the present invention, is be easily moved, and laboratory experiment is facilitated to use;Simple and quick, experimental period is short;The multiple gases that can connect according to actual needs particulate matter analysis instrument.

Description

One kind can deformation packaged type smog box
Technical field:
The present invention relates to one kind can deformation packaged type smog box.
Background technique:
In recent years, China's atmosphere polluting problem, it is corresponding if photochemical pollution is one of the important environmental problem that China faces, For the atmosphere pollution origin cause of formation, the research of contamination characteristics is also increasing.Carry out used in the research it is most common be also most must can not Few means are that the physical-chemical reaction of particulate matter or gaseous matter in the case where emulating atmospheric conditions is simulated in smog case apparatus Process.
Smog box is substantially a kind of photochemical reaction simulation device, it is characterized in that can exclude more in real atmosphere Some or a series of atmospheric photochemical reactions are separately separated out by the influence of kind of complicated meteorologic factor from real atmosphere Come, and and experiment controllable in experiment condition effective these chemical processes of simulation under conditions of there is repeatability, thus without dry The mechanism mechanism that Atmospheric Chemistry reaction is developed under conditions of factor is disturbed, if calculating in conjunction with atmospheric chemistry model and outfield is real It surveys, reliable theoretical foundation can be provided for the anti-policy making processed of atmosphere pollution and implementation.Therefore, smog box simulated experiment has The energy of the ambient air pollution problem under the means such as many experiments research complexity atmospheric conditions is carried out by changing experiment condition Power, this is field measurement (can not arbitrarily change meteorological condition, do not have repeatability) and pattern simulation (is not real atmosphere Chemical reaction) unapproachable advantage.
As the reactor of simulated atmosphere chemical reaction mechanism, smog box is after Los Angeles photochemical fog time occurs Quick development has been obtained in foreign countries first.California, USA university river bank branch school was tested with beginning smog box in 1975, for grinding Study carefully Atmospheric Chemistry reaction mechanism.The outdoor smog box of more representative large size has the Teflon material in European photochemistry laboratory Matter hemispherical EUPHORE double parallel smog box, totally two hemispherical smog boxes, each about 200 m of hemisphere volume3, chamber wall thickness About 0.13 millimeter, Germany double-walled FEP-Teflon material (i.e. fluorinated ethylene propylene copolymer) SAPHIR smog box are spent, volume is about 270 m3
For theoretically, it is ideal simulating atmospheric environment that above-mentioned large-scale outdoor smog box, which utilizes sunlight as light source, Smog box, but above-mentioned outdoor smog box also has system Construction with high costs simultaneously, volume is big, can not move, and operate The disadvantages of cumbersome, experimental period is too long, inconvenient in terms of experimental condition optimization.In addition to this, development of the smog box in China Be later than external and not quickly, possess the unit of smog box equipment and few, needless to say be equipped with improve analysis system and by it Applied to scientific research, teaching purposes.
Summary of the invention:
The present invention be provide one kind to solve the above-mentioned problems of the prior art can deformation packaged type smog box.
The technical solution adopted in the present invention has: one kind can deformation packaged type smog box, including support frame, light source, ten thousand To wheel, PP plate, motor, spinner handle, smog cabinet, BULKHEAD UNION and fan, the PP plate is fixed on support frame, and smog cabinet is logical It crosses fixed rope to be fixed on support frame, and the bottom of smog cabinet is supported on PP plate, two groups of source symmetrics are placed in smog cabinet Two sides;BULKHEAD UNION there are two being all provided on parallel two sides in smog cabinet, is equipped on the bottom surface of smog cabinet One BULKHEAD UNION, and the BULKHEAD UNION in smog tank floor, through PP plate, spinner handle is arranged in smog tank floor In BULKHEAD UNION, and one end of spinner handle stretches in smog box body and is fixedly connected with fan, the other end of spinner handle and turning for motor Axis is fixedly connected;Universal wheel is fixed on support frame.
Further, every group of light source is formed by several ultraviolet lamp layered arrangements.
Further, the smog cabinet is binded using six FEP-TEFLON plastic film thermoplastics with a thickness of 0.1mm It forms, and forms thermoplastic edge sealing after the junction thermoplastic bonding between adjacent two panels film.
Further, the thermoplastic edge sealing in the smog cabinet is equipped with metal corn button, wears in metal corn button If fixed rope, and smog cabinet is fixed on support frame by fixed rope.
Further, the junction of the BULKHEAD UNION and smog cabinet is equipped with expanded PTFE gasket.
Further, the spinner handle is all made of TEFLON material with fan and is made.
Further, support frame as described above is formed by several aluminiums by corner brace and screw connection fixation.
Further, the spinner handle is pyramidal structure.
The invention has the following beneficial effects:
1. small volume is be easily moved, laboratory experiment is facilitated to use;
2. simple and quick, experimental period is short;
3. the multiple gases that can connect according to actual needs particulate matter analysis instrument.
Detailed description of the invention:
Fig. 1 is main view of the invention.
Fig. 2 is side view of the invention.
Fig. 3 is top view of the invention.
Fig. 4 is the Particle density variation diagram that the present invention carries out particulate matter in smog box body when particulate matter test.
In figure, 1: support frame;2: light source;3: universal wheel;4:PP plate;5: motor;6: spinner handle;7: smog cabinet;8:1/4 English Very little BULKHEAD UNION;9:3/4 inches of BULKHEAD UNIONs;10: fan.
Specific embodiment:
The present invention will be further described below with reference to the drawings.
Such as Fig. 1 to Fig. 3, one kind of the present invention can deformation packaged type smog box, including support frame 1, light source 2, universal wheel 3, PP plate 4, motor 5, spinner handle 6,7,1/4 inches of smog cabinet, 8,3/4 inches of BULKHEAD UNION BULKHEAD UNION 9 and fan 10.
PP plate 4 is fixed on support frame 1, and smog cabinet 7 is fixed on support frame 1 by fixed rope, and smog cabinet 7 Bottom is supported on PP plate 4, and two groups of light sources 2 are symmetrically placed in the two sides of smog cabinet 7.The parallel two sides in smog cabinet 7 1/4 inch of BULKHEAD UNION 8 there are two being all provided on face is equipped with 3/4 inch of BULKHEAD UNION 9 on the bottom surface of smog cabinet 7, and 3/4 inch of BULKHEAD UNION 9 is through PP plate 4.Spinner handle 6 is arranged in 3/4 inch of BULKHEAD UNION 9, and one end of spinner handle 6 stretches in cigarette It is fixedly connected in fog chamber body 7 and with fan 10, the other end of spinner handle 6 is fixedly connected with the shaft of motor 5, and universal wheel 3 is fixed on On support frame 1.
Every group of light source 2 is formed by several ultraviolet lamp layered arrangements.8 ultraviolet lamps are fixed on the every side in the two sides of support frame 1, Sunlight can be simulated in photochemistry experiment by turning on the switch.What is matched with this is that can shroud during testing and carrying out whole Black-out cloth (Fig. 1 is not drawn into Fig. 3) except a support frame 1 makes shadow of the ambient light to the reaction carried out in smog cabinet 7 Sound is minimized, and is realized with this and is studied true Atmospheric Chemistry reaction in the case where excluding alien influences.In this respect apparently, Smog cabinet 7 has obviously advantage for disclosing Atmospheric Chemistry reaction mechanism compared with other means.
Smog cabinet 7 is using six sheet materials with a thickness of sheet FEP-TEFLON plastic film (the i.e. perfluoroethylene third of 0.1mm Alkene copolymer film) thermoplastic binds, and being binded with the processing technology of thermoplastic into a volume is 1m3Sealing cube, As smog cabinet 7.Thermoplastic edge sealing is formed after the junction thermoplastic bonding of adjacent two panels film in smog cabinet 7.Every heat It is respectively provided with two apertures on plastic packaging side, a metal corn button is installed on each aperture, wears fixation in metal corn button Rope, and smog cabinet 7 is fixed on support frame 1 by fixed rope.
1/4 inch of BULKHEAD UNION and smog box body wall inside and outside flank synapsis and respectively add one piece of appropriately sized varicosity poly- four Vinyl fluoride gasket.When tightening BULKHEAD UNION, deformation occurs for expanded PTFE gasket, to guarantee the airtight of smog cabinet Property.
It is one piece of PP plate 4 (polypropylene board) in 1 inner lower of support frame, 4 surrounding of PP plate is fixed in 1 bottom surface of support frame On.The effect of PP plate is support smog cabinet, so that smog cabinet does not drop due to gravity.
PP plate 4 is fixed on support frame 1, diameter be 3/4 inch of BULKHEAD UNION 9 pass through the hole in 4 centre of PP plate with 7 bottom surface of smog cabinet, 3/4 inch of 9 upper end of BULKHEAD UNION is in smog box house, and lower end is in 4 downside of PP plate, and this 3/4 inch BULKHEAD UNION 9 is same as the contact position of smog box body wall and PP plate 4 respectively to have expanded PTFE gasket to guarantee air-tightness.
The spinner handle 6 for being connected to exhaust fan entirely passes through 3/4 inch of BULKHEAD UNION 9, and fan is located inside smog cabinet 7, 6 other end of spinner handle is fixedly connected with 5 shaft of motor, and opening motor 5 can be so that fan rotates, so that gas in smog cabinet 7 Body is sufficiently mixed.
To guarantee the air-tightness between spinner handle 6 and 3/4 inch BULKHEAD UNION 9, spinner handle 6 is up-thin-low-thick cone-shaped knot Structure.When in the raw, due to gravity, 4 center of PP plate has slight with 3/4 inch of BULKHEAD UNION 9 Tenesmus, the up-thin-low-thick spinner handle 6 of shape can be stuck with 3/4 inch of BULKHEAD UNION 9 at this time, so that leaving no gaps between the two, gas Close property is guaranteed.If opening motor at this time, since spinner handle is stuck with BULKHEAD UNION, frictional force is excessive, and spinner handle can not rotate.It opens Opening fan keeps the operation of gas mixing in smog box body as follows: PP plate is slightly gently lifted after opening motor, so that spinner handle and fan Just it can start turning, and close motor after 3-5 seconds, then decontrol PP plate, so that it is replied nature again and slightly drop shape State, to guarantee the air-tightness in experimentation.
Motor 5 and spinner handle 6 are separated after experiment, that is, can guarantee the whole mobility of smog box 7.Spinner handle 6 with Fan 10 is all made of TEFLON material and is made, to ensure that gas or particle loss are minimum in experimentation.
Smog cabinet 7 is whole to be comprised within support frame 1, and support frame 1 is connected by several aluminiums by corner brace and screw Fixation is connect to form.The universal wheel 3 of a strap brake is respectively set in lower end quadrangle, and support frame 1 is facilitated to move together with smog cabinet 7 is whole It is dynamic.Whole smog box can be moved to behind suitable position by releasing of brake and to press brake again to fix it in space Position prevents its unexpected sliding during the experiment.
Illustrate basic operation process of the invention with reference to the accompanying drawings.
1, when testing beginning, gas generating unit is connect with a certain above-mentioned stainless steel tube on smog cabinet to cigarette It is passed through gas in fog chamber body, until smog cabinet shows slightly bulging, and simultaneously by other three above-mentioned stainless steel tubes with black glue plug Blocking prevents gas leakage.After squeezing into gas, rope can be used across above-mentioned corn button, smog cabinet is fixed on support On frame, to keep the stabilization of entire smog box system.If necessary, motor next can be opened, light PP plate of lifting to mix The rotation several seconds of fan 10 is sufficiently mixed gas in smog box body.
2, it during the experiment, can according to need and squeezed into again into smog box body by above-mentioned stainless steel tube suitably Stainless steel tube is blocked guarantee air-tightness after end of operation with plug such as gas or particulate matter by substance.If it is desired, next By under shading sheet, and appropriate number of ultraviolet lamp is opened, sunlight is simulated in the case where no external light source influences to smog box Interior photochemically reactive influence.After a period of time has passed, it removes the plug on any of the above-described stainless steel tube and connects suitably Analysis instrument realization obtains experimental result to the analysis detection of gas and particulate matter in smog box body.
3, when experiment terminates to need to clean smog box, fixed rope is unloaded, aspiration pump is above-mentioned stainless with a certain Gas in aspiration pump extraction smog box body is opened in steel pipe connection.Due to smog cabinet have can deformation behavior, smog box body can from By collapse-deformation, until smog box volume is close to 0.So gas in smog box body can be fully drawn out by aspiration pump, until Smog box soma is flat, and inside is almost without residual gas.Then being passed through clean gas into shrivelled smog box body again makes cigarette Fog chamber body is expanded to certain volume, is later again extracted out gas in smog box body with aspiration pump.Repeatedly repeatedly, finally make Other intracorporal gases of smog box and particle concentration are lower than to a certain degree, it is believed that smog cabinet cleaning process is completed.
By above description as it can be seen that the of the invention formula smog box that collapses can be by inwardly inflating or being evacuated two outward Means control the volume of smog cabinet arbitrarily to meet different experiments demand.It is necessary to when can pass through and apply extraneous pressure Power come so that in smog box gas Accelerating Removal.And compared to rigid walls (such as organic glass) smog box can not deformation can only lead to It crosses and gass bleeding on one side squeeze into clean gas while to clean the mode of smog box, the smog cabinet in the present invention is due to deformable The characteristics of, so in cleaning smog box, it is more simple and efficient in the operation such as ventilation, it is time saving and energy saving.In addition, during the experiment by In the consumption or supplement of gas, when the intracorporal gas of smog box decreases or increases, smog box knows from experience corresponding deformation, guarantees smog The intracorporal air pressure of case is kept constant, and is in the internal reaction occurred under a constant air pressure, is also ensured experiment in this way Accuracy.
Particulate matter test has been carried out using the present invention.
After being repeatedly evacuated and squeezing into clean gas (zero gas) and clean to smog cabinet, smog box is detected with instrument Body internal gas or particle concentration are limited to stop lower than instrument detection.It is squeezed at this time by stainless steel tube into smog box certain dense After the particulate matter of degree, relevant particles analyte detection instrument is connected, the Particle density variation of particulate matter in smog box body is monitored, every several points Clock records a data, and it is as shown in Figure 4 to make curve graph.Horizontal axis is the time of monitoring, and unit is minute;The longitudinal axis detects The Particle density of particulate matter in smog box body, unit are/cubic centimetre.
Test result shows: after the particulate matter of certain specification is added into smog box, over time, particulate matter Particle density gradually decrease, this is because the intracorporal particulate matter of smog box have occurred it is mutual touch simultaneously, such as two particles Object, which mutually collides, is combined into a particulate matter, causes the reduction of particulate matter totality Particle density.This is outer with the macroscopic view of particulate matter It is identical showing, it is believed that the invention is suitable as the research tool of research Atmospheric particulates.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art It for member, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as of the invention Protection scope.

Claims (8)

1. one kind can deformation packaged type smog box, it is characterised in that: including support frame (1), light source (2), universal wheel (3), PP Plate (4), motor (5), spinner handle (6), smog cabinet (7), BULKHEAD UNION and fan (10), the PP plate (4) are fixed on support frame (1) on, smog cabinet (7) is fixed on support frame (1) by fixed rope, and the bottom of smog cabinet (7) is supported on PP plate (4) On, two groups of light sources (2) are symmetrically placed in the two sides of smog cabinet (7);It is equipped on parallel two sides in smog cabinet (7) Two BULKHEAD UNIONs are equipped with a BULKHEAD UNION, and the threading on smog cabinet (7) bottom surface on the bottom surface of smog cabinet (7) Connector is through PP plate (4), and spinner handle (6) is arranged in the BULKHEAD UNION on smog cabinet (7) bottom surface, and one end of spinner handle (6) It stretches in smog cabinet (7) and is fixedly connected with fan (10), the other end of spinner handle (6) is fixedly connected with the shaft of motor (5); Universal wheel (3) is fixed on support frame (1).
2. as described in claim 1 can deformation packaged type smog box, it is characterised in that: every group of light source (2) is by several purples Outer lamp layered arrangement forms.
3. as described in claim 1 can deformation packaged type smog box, it is characterised in that: the smog cabinet (7) uses six Piece binds with a thickness of the FEP-TEFLON plastic film thermoplastic of 0.1mm, and the junction thermoplastic of adjacent two panels film is glutinous Thermoplastic edge sealing is formed after conjunction.
4. as claimed in claim 3 can deformation packaged type smog box, it is characterised in that: the heat in the smog cabinet (7) Plastic packaging side is equipped with metal corn button, wears fixed rope in metal corn button, and by fixed rope that smog cabinet (7) are solid Due on support frame (1).
5. as described in claim 1 can deformation packaged type smog box, it is characterised in that: the BULKHEAD UNION and smog cabinet (7) junction is equipped with expanded PTFE gasket.
6. as described in claim 1 can deformation packaged type smog box, it is characterised in that: the spinner handle (6) is adopted with fan It is made of TEFLON material.
7. as described in claim 1 can deformation packaged type smog box, it is characterised in that: support frame as described above (1) is by several Aluminium is formed by corner brace and screw connection fixation.
8. as described in claim 1 can deformation packaged type smog box, it is characterised in that: the spinner handle (6) is pyramidal structure.
CN201811195280.0A 2018-10-15 2018-10-15 One kind can deformation packaged type smog box Pending CN109237231A (en)

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