CN209446437U - Medium-sized bioaerosol sedimentation evaluation and test cabin - Google Patents
Medium-sized bioaerosol sedimentation evaluation and test cabin Download PDFInfo
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- CN209446437U CN209446437U CN201821644577.6U CN201821644577U CN209446437U CN 209446437 U CN209446437 U CN 209446437U CN 201821644577 U CN201821644577 U CN 201821644577U CN 209446437 U CN209446437 U CN 209446437U
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Abstract
The utility model discloses a kind of medium-sized bioaerosol sedimentation evaluation and test cabins, it can be used for the sedimentation environment of aerosol in accurate simulated atmosphere in laboratory to carry out corresponding experimental study, technical solution be include three-level cabinet, aerosol generating device is provided in three-level cabinet, aerosol generating device is configured to generate experiment aerosol;Further include sedimentation cabin, is configured to accommodate laboratory sample, and aerosol dispersion is attached on laboratory sample;Sedimentation cabin is connected with three-level cabinet;The technical essential, the aerosol that aerosol generating device generates in three-level cabinet enters in sedimentation cabin, it can be attached on laboratory sample and be tested, observation is attached with the laboratory sample of aerosol to study aerosol harm to the human body or to the extent of damage etc. of unlike material sample, can test aspect for Aerosol Pollution and provide experimental data and support.
Description
Technical field
The utility model relates to detect aerosol to the experimental facilities of item spoilage degree, more particularly, to a kind of medium-sized life
Object aerosol deposition evaluates and tests cabin.
Background technique
In recent years, with the rapid development of industry, the air pollution being subsequently formed is on the rise, air treating is also gradually
As hot topic, harmful substance in air pollution situation and air (such as complicated aerosol) is detected to item spoilage burn into
The experiment of the health hazards degree of human body or animals and plants is also constantly carrying out.And in order to examine the aerosol of different samples to difference
The damage of the sample of material, need one can in laboratory in accurate simulated atmosphere aerosol sedimentation environmental model
To carry out corresponding experimental study.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of medium-sized bioaerosols to settle
Cabin is evaluated and tested, the aerosol of different samples can be examined to the damage of the sample of unlike material, gas is molten in accurate simulated atmosphere
The sedimentation environment of glue carries out experimental study.
To achieve the above object, the utility model provides following technical solution: a kind of medium-sized bioaerosol sedimentation is commented
Survey cabin, comprising:
Three-level cabinet is provided with aerosol generating device in the three-level cabinet, and the aerosol generating device is configured to generate
Aerosol is used in experiment;
Cabin is settled, is configured to accommodate laboratory sample, and the aerosol dispersion is attached on the laboratory sample;
The sedimentation cabin is connected with the three-level cabinet.
Further, it is provided with rotating disk in the sedimentation cabin, the laboratory sample is placed in the rotating disk.
Further, sample box is placed in the rotating disk, the laboratory sample is placed in the sample box;
The sample box is configured to be sealed in the laboratory sample in the sample box or makes sample box opening
The laboratory sample is obtained to be exposed in the sedimentation cabin and the aerosol exposure.
Further, evenly mixing device is installed, it is described heavy that the evenly mixing device is configured to will go into the sedimentation cabin
The aerosol dropped in cabin mixes.
Further, aerosol delivery pipe, the aerosol delivery are communicated between the three-level cabinet and the sedimentation cabin
Pipe is configured to test in aerosol delivery to the sedimentation cabin that the aerosol generating device generates;
Negative pressure protection delivery pipe, the negative pressure protection conveying pipe sleeve are also communicated between the three-level cabinet and the sedimentation cabin
It is located at the outside of the aerosol delivery pipe.
Further, the sedimentation cabin is double layer design, including settles cabin internal layer and sedimentation layer out of my cabin, in the sedimentation cabin
Layer and described settle take out the negative pressure formation zone of negaive pressure between layer out of my cabin;
The first bleeding point and the second bleeding point are offered on the sedimentation cabin, in first bleeding point and the sedimentation cabin
Layer is connected, and second bleeding point is connected with the zone of negaive pressure;
Control valve is mounted at first bleeding point and at second bleeding point;
First bleeding point has induced draft fans by piping connection, and the induced draft fans are again logical with second bleeding point
Cross pipeline connection.
Further, the three-level cabinet includes transferring cabin, and the transferring cabin is connected to the sedimentation cabin, and the transferring cabin is matched
It is set to laboratory sample from being transmitted in the three-level cabinet in the sedimentation cabin;
The transferring cabin is equipped with the first operation door in three-level cabinet junction, and the transferring cabin connects in the sedimentation cabin
The place of connecing is equipped with the second operation door;
The first operation door and the second operation door are each configured to transferring cabin described in open or close.
Further, detection mouth is offered on the side wall in the sedimentation cabin, the detection mouth, which connects one to one, to be had automatically
Detection device, the automatic checkout equipment are configured to detect pressure, temperature, humidity, aerosol partial size ginseng in the sedimentation cabin
Number.
Further, the three-level cabinet is communicated with exhaust apparatus, and the exhaust apparatus includes the level-one mistake being sequentially communicated
Filter device and two-stage filter;
The first level filtering device is connected to the three-level cabinet and the two-stage filter simultaneously, the secondary filtration dress
It sets and is connected to the induced draft fans.
Further, double filtration dress is provided between two bleeding points and the induced draft fans on the sedimentation cabin
It sets.
In the present invention, medium-sized bioaerosol sedimentation evaluation and test cabin has substantive features and progress, main
Show: 1) aerosol that aerosol generating device generates in three-level cabinet enters in sedimentation cabin, can be attached to experiment sample
It is tested on product, observation is attached with the laboratory sample of aerosol to study aerosol harm to the human body or to unlike material sample
The extent of damage etc., aspect can be tested for Aerosol Pollution and experimental data and support are provided;2) between three-level cabinet and sedimentation cabin
In aerosol transmit process, it is arranged negative pressure protection delivery pipe outside aerosol delivery pipe, pipeline during aerosol delivery is avoided to send out
The case where raw rupture causes aerosol to reveal and pollute to air;3) laboratory sample is put on the rotating pan, tests sample
Product rotation, can make laboratory sample contact aerosol more sufficiently, without dead angle, and aerosol be attached on laboratory sample it is relatively more equal
It is even;4) it is provided with experiment box and evenly mixing device, after the aerosol that can first will go into sedimentation cabin mixes, then opens experiment box
Laboratory sample is exposed in aerosol environment, so that aerosol is attached on laboratory sample more evenly, improves experiment
Accuracy;5) sedimentation cabin is designed as bilayer, and the double-deck intermediate negative pressure of taking out is protected, and when sedimentation cabin internal layer leaks, the zone of negaive pressure passes through
The aerosol of negative pressure, leakage can be pumped, and will not be discharged in air and be polluted to air;6) three-level cabinet and sedimentation cabin
Between be connected to by transferring cabin, and the first operation door and the second operation door, two operation doors differences are installed in transferring cabin both ends respectively
Shi Kaiqi first opens the first operation door, laboratory sample is sent in transferring cabin, the first operation door is then shut off, then opens the
Two operation goalkeeper's laboratory samples, which are sent in sedimentation cabin, tests, and the flowing avoided between gas forms cross contamination;7)
Automatic checkout equipment is installed, it can be to parameters such as pressure, temperature, humidity, the aerosol partial sizes settled in experimentation in cabin
It is detected and is automatically adjusted, it is ensured that sedimentation indoor environment parameter consistency;8) exhaust apparatus of three-level cabinet and sedimentation cabin
Exhaust is all made of double filtration, improves the clean level of the gas of discharge.
Detailed description of the invention
Hereinafter with reference to the accompanying drawings and some specific of the utility model is described in detail in embodiment mode and not restrictive
Embodiment.Identical appended drawing reference denotes same or similar part or part in attached drawing.Those skilled in the art should manage
Solution, these attached drawings are not necessarily to scale drafting.
Fig. 1 is the structural schematic diagram one in the medium-sized bioaerosol sedimentation evaluation and test cabin of the utility model;
Fig. 2 is the structural schematic diagram two in the medium-sized bioaerosol sedimentation evaluation and test cabin of the utility model;
Fig. 3 is partial enlarged view A in the medium-sized bioaerosol sedimentation evaluation and test cabin of the utility model.
Wherein, 1. three-level cabinet;2. settling cabin;21. settling layer out of my cabin;22. settling cabin internal layer;23. the zone of negaive pressure;3. transmitting
Cabin;4. rotating disk;5. sample box;6. evenly mixing device;7. the first operation door;8. the second operation door;9. negative pressure protects delivery pipe;
10. aerosol delivery pipe;11. the first bleeding point;12. the second bleeding point;13. control valve;14. first level filtering device;15. second level
Filter device;16. aerosol generating device;17. detection mouth.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below with reference to Fig. 1 to Fig. 3
The embodiment for settling evaluation and test cabin to bioaerosol medium-sized in the utility model is described further.
A kind of medium-sized bioaerosol sedimentation evaluation and test cabin, including three-level cabinet 1 and sedimentation cabin 2.Transmitting is provided on three-level cabinet 1
Cabin 3, three-level cabinet 1 include exposed chamber, and transferring cabin 3 includes cabin, and the exposure chamber of three-level cabinet 1 is connected with the cabin of transferring cabin 3
Logical, transferring cabin 3 can be integrally molded on three-level cabinet 1, can also be fixedly connected on three-level cabinet 1 by flange plate screw/bolt
On.Sedimentation cabin 2 includes expansion chamber, and the cabin of transferring cabin 3 is connected to the expansion chamber in sedimentation cabin 2, and specific embodiment is to settle
The transmission mouth to match with transferring cabin 3 is offered on cabin 2, transferring cabin 3 is backwards to 1 side of three-level cabinet and sedimentation cabin 2 at transmission mouth
It is fixedly connected, so that the expansion chamber in sedimentation cabin 2 is connected by transferring cabin 3 with the exposure chamber of three-level cabinet 1.Installation in three-level cabinet 1
Have first matched with transferring cabin 3 operate door 7, settle cabin 2 in be equipped with transferring cabin 3 cooperate second operation door 8, first
Operation door 7 and the second operation door 8 are used to close or open transferring cabin 3.First operation door 7, second operates door 8 and conjunction can be used
Page is mounted on three-level cabinet 1 and settles in cabin 2, so that the first operation door 7 and the second operation door 8 can rotate to come in fact around hinge articulated shaft
The closure or openness of existing transferring cabin 3, and the operation door 7 of fitting-up gang first and second operates door 8 in three-level cabinet 1 and sedimentation cabin 2
Locking device;Revolving door can also be set by the first operation door 7 and the second operation door 8, and in three-level cabinet 1 and sedimentation cabin 2
Flexible power device is installed, cylinder or electric pushrod can be used in flexible power device, and the first operation door 7, second operates door backwards
3 side of transferring cabin is integrally molded or screw is fixedly connected with reinforcing rod, reinforcing rod one end and three-level cabinet 1 or sedimentation cabin 2 is hinged, stretches
Power device includes fixed part and pars contractilis, and hingedly, pars contractilis is hinged with reinforcing rod, stretches for fixed part and three-level cabinet 1 or sedimentation cabin 2
Contracting power device is flexible, drives reinforcing rod movement, to drive the opening of the first operation door 7 or second operation 8 pairs of transferring cabins 3 of door
Or closure.
Aerosol generating device 16 is placed with the exposure of three-level cabinet 1 is intracavitary, aerosol delivery pipe is communicated on three-level cabinet 1
10, aerosol delivery pipe 10 is connected to sedimentation cabin 2 again, and the aerosol in three-level cabinet 1 sees that device 16 generates aerosol, is generated
Aerosol can be transported to by aerosol delivery pipe 10 sedimentation cabin 2 in tested.And in order to avoid aerosol is passing
It is leaked during sending and air is polluted into air, the utility model further embodiment is three-level cabinet 1 and sedimentation
It is connected to negative pressure between cabin 2 and protects delivery pipe 9, negative pressure protection delivery pipe 9 is set in the outside of aerosol delivery pipe 10, and negative pressure is protected
It carries out taking out negative pressure protection in shield delivery pipe 9, when aerosol delivery pipe 10 ruptures, aerosol leaks to negative pressure protection delivery pipe
In 9, due to being in negative pressure state in negative pressure protection delivery pipe 9, aerosol is pumped and handles.
Aerosol enters in sedimentation cabin 2, needs to be attached on laboratory sample and be tested, the utility model is further
Embodiment is to be provided with rotating disk 4 in sedimentation cabin 2, and laboratory sample is placed in rotating disk 4, and it is dynamic that rotating disk 4 connects motor etc.
Power device, power device can drive rotating disk 4 to rotate, and laboratory sample is also rotated with rotating disk 4, so that laboratory sample contact gas is molten
Glue is more abundant, no dead angle etc..Sample box 5 is placed in rotating disk 4, laboratory sample is preferably placed in sample box 5, sample box
5 can open or close, and after aerosol enters in sedimentation cabin 2, sample box 5 can first be closed, at this point, laboratory sample and aerosol
Do not contact, etc. after aerosol diffusions, then open sample box 5 and make laboratory sample and aerosol exposure, aerosol can be improved in reality
Test the attachment uniformity on sample.
And in order to improve the attachment uniformity of aerosol, the utility model further embodiment is, in sedimentation cabin 2
It is provided with evenly mixing device 6, the aerosol entered in sedimentation cabin 2 can be mixed, be first closed sample box 5, open evenly mixing device
6, evenly mixing device 6 opens sample box 5 after mixing aerosol again makes laboratory sample and aerosol exposure, to improve laboratory sample
The uniformity of upper aerosol attachment, increases the accuracy of experimental result.The utility model is preferably that evenly mixing device 6 is fan, choosing
It is distributed at four, the top angle in sedimentation cabin 2 and at bottom four corners with eight fans, eight fans are opened simultaneously in sedimentation cabin 2
The aerosol dried in uniformly mixed up settlement cabin 2.
The utility model further embodiment is that sedimentation cabin 2 is set as two layers, including settles layer 21 out of my cabin and sedimentation
Cabin internal layer 22, the experimental facilities such as laboratory sample, evenly mixing device 6, rotating disk 4 are placed in sedimentation cabin internal layer 22, settle layer out of my cabin
Negative pressure protection is taken out between 21 and sedimentation cabin internal layer 22, forms the zone of negaive pressure 23, when sedimentation cabin internal layer 22 is revealed, aerosol is let out
Reveal the zone of negaive pressure 23 and be extracted processing, avoids aerosol and be directly leaked in air and cause air pollution.In sedimentation cabin 2
On open up there are two bleeding point, i.e. the first bleeding point 11 and the second bleeding point 12, wherein the first bleeding point 11 and sedimentation cabin internal layer
22 are connected, and the second bleeding point 12 is connected with the zone of negaive pressure 23.First bleeding point 11 is connected with pumping blower by vent line,
And the pumping blower is connect with the second bleeding point 12 by vent line again.It is evacuated blower work, in the sedimentation cabin in sedimentation cabin 2
Layer 22 and the zone of negaive pressure 23 are evacuated, and are made to settle in cabin internal layer 22 and the zone of negaive pressure 23 in negative pressure state, are met the requirement of experiment condition.
Control valve 13 is mounted at the first bleeding point 11 and the second bleeding point 12, control valve 13 makes for controlling extraction flow
It must settle and be controlled respectively in cabin internal layer 22 and the zone of negaive pressure 23, be worked independently, it is easier to be controlled or be adjusted according to experimental conditions
It is whole etc..Between the first bleeding point 11 and induced draft fans, between the second bleeding point 12 and induced draft fans, it is provided with double filtration
Device, so that discharged gas is cleaner, pollution is smaller.
For on three-level cabinet 1, three-level cabinet 1 further includes supply gas filter device and exhaust and filtration apparatus, and wherein exhaust gas filter fills
Filter device of setting and supply gas is connected to induced draft fans.Induced draft fans work, external wind is after filter device of supplying gas is filtered
It is extracted into three-level cabinet 1, the exhaust gas in three-level cabinet 1 is extracted out via exhaust and filtration apparatus by induced draft fans again, exhaust and filtration apparatus packet
Include first level filtering device 14 and two-stage filter 15, first level filtering device 14 is connected to three-level cabinet 1, then again and secondary filtration
Device 15 is connected to, and two-stage filter 15 is connected to induced draft fans, so that extracted gas passes through double filtration in three-level cabinet 1
It is cleaner afterwards, it pollutes smaller or even pollution-free.
Article conveying cabin is additionally provided on three-level cabinet 1, for transmitting experimental article into three-level cabinet 1.
Operation port is opened up on three-level cabinet 1 and sedimentation cabin 2, operating gloves is sealed and installed at operation port, is grasped for experiment
Make personnel's wearing, hand is extend into three-level cabinet 1 or sedimentation cabin 2 and facilitates experimental implementation.
In addition, offering multiple detection mouths 17 on the side wall in sedimentation cabin 2, it is connected with automatic checkout equipment at detection mouth 17,
Such as temperature sensor, humidity sensor, pressure sensor, partial size spectrometer, to temperature, the humidity, pressure, grain in sedimentation cabin 2
The parameters such as diameter measure, and the experiment parameters such as temperature, humidity, pressure, partial size in real-time control sedimentation cabin 2 can carry out in time
Adjustment, guarantees the consistency of the environmental parameter in sedimentation cabin 2, and then improves the accuracy of experiment.
When being tested, first by aerosol generating device 16, sample box 5 and the experiment sample in sample box 5
Product are sent in three-level cabinet 1 by article transmission cabin, and close article conveying cabin door.Open the first operation door of transferring cabin 3
7, the sample box 5 equipped with laboratory sample is placed in transferring cabin 3, the first operation door 7 is closed, then opens the second operation door
8, the sample box 5 equipped with laboratory sample is taken out out of transferring cabin 3 and is placed in rotating disk 4, the second operation door 8 is closed.It opens dynamic
Power device, rotating disk 4 drive sample box 5 to rotate.At this point, opening aerosol generating device 16, aerosol generating device 16 is generated
Aerosol, aerosol enter in sedimentation cabin 2 via aerosol delivery pipe, close after conveying quantitative aerosol into sedimentation cabin 2
Aerosol generating device 16 is closed, evenly mixing device 6 is opened, evenly mixing device 6 mixes aerosol, then opens sample box 5, tests sample
Product come into full contact with aerosol.Then the second operation door 8 is opened, laboratory sample is sent in transferring cabin 3, closes the second operation
Then door 8 opens the first operation door 7, laboratory sample is sent in three-level cabinet 1 and is analyzed, to analyze different aerosols
To the extent of injury etc. of unlike material sample.After analysis, then laboratory sample, experiment appliance etc. is defeated via article conveying cabin
Remove three-level cabinet 1.Whole experiment process is operated in subnormal ambient, pollution-free, safer.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, made any improvements and modifications also should be regarded as this reality
With novel protection scope.
Claims (10)
1. a kind of medium-sized bioaerosol sedimentation evaluation and test cabin characterized by comprising
Three-level cabinet, aerosol generating device is provided in the three-level cabinet, and the aerosol generating device is configured to generate experiment
Use aerosol;
Cabin is settled, is configured to accommodate laboratory sample, and the aerosol dispersion is attached on laboratory sample;
The sedimentation cabin is connected with the three-level cabinet.
2. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 1, which is characterized in that be arranged in the sedimentation cabin
There is rotating disk, the laboratory sample is placed in the rotating disk.
3. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 2, which is characterized in that placed in the rotating disk
There is sample box, the laboratory sample is placed in the sample box;
The sample box is configured to be sealed in the laboratory sample in the sample box or opens the sample box so that institute
Laboratory sample is stated to be exposed in the sedimentation cabin and the aerosol exposure.
4. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 1, which is characterized in that installed in the sedimentation cabin
There is evenly mixing device, the aerosol that the evenly mixing device is configured to will go into the sedimentation cabin mixes.
5. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 1, which is characterized in that the three-level cabinet and described
Sedimentation is communicated with aerosol delivery pipe between cabin, what the aerosol delivery pipe was configured to generate the aerosol generating device
It is tested in aerosol delivery to the sedimentation cabin;
Negative pressure protection delivery pipe is also communicated between the three-level cabinet and the sedimentation cabin, and negative pressure protection delivery pipe is arranged
On the outside of the aerosol delivery pipe.
6. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 1, which is characterized in that the sedimentation cabin is bilayer
Pumping negative pressure is formed between layer out of my cabin for design, including sedimentation cabin internal layer and sedimentation layer out of my cabin, the sedimentation cabin internal layer and the sedimentation
The zone of negaive pressure;
The first bleeding point and the second bleeding point, first bleeding point and sedimentation cabin internal layer phase are offered on the sedimentation cabin
Connection, second bleeding point are connected with the zone of negaive pressure;
Control valve is mounted at first bleeding point and at second bleeding point;
First bleeding point has induced draft fans by piping connection, and the induced draft fans pass through pipe with second bleeding point again
Road connection.
7. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 1, which is characterized in that the three-level cabinet includes passing
Cabin is passed, the transferring cabin is connected to the sedimentation cabin, and the transferring cabin is configured to transmit laboratory sample from the three-level cabinet
Into the sedimentation cabin;
The transferring cabin is equipped with the first operation door in three-level cabinet junction, and the transferring cabin is in the sedimentation cabin junction
Second operation door is installed;
The first operation door and the second operation door are each configured to transferring cabin described in open or close.
8. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 1, which is characterized in that the side wall in the sedimentation cabin
On offer detection mouth, the detection mouth, which connects one to one, automatic checkout equipment, and the automatic checkout equipment is configured to examine
Survey pressure, the temperature, humidity, aerosol particle size parameters in the sedimentation cabin.
9. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 6, which is characterized in that the three-level cabinet is communicated with
Exhaust apparatus, the exhaust apparatus include the first level filtering device and two-stage filter being sequentially communicated;
The first level filtering device is connected to the three-level cabinet and the two-stage filter simultaneously, the two-stage filter with
The induced draft fans connection.
10. medium-sized bioaerosol sedimentation evaluation and test cabin according to claim 6, which is characterized in that on the sedimentation cabin
Two-filtration devices are provided between two bleeding points and the induced draft fans.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821644577.6U CN209446437U (en) | 2018-10-10 | 2018-10-10 | Medium-sized bioaerosol sedimentation evaluation and test cabin |
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Application Number | Priority Date | Filing Date | Title |
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CN201821644577.6U CN209446437U (en) | 2018-10-10 | 2018-10-10 | Medium-sized bioaerosol sedimentation evaluation and test cabin |
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Publication Number | Publication Date |
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CN209446437U true CN209446437U (en) | 2019-09-27 |
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ID=68009607
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CN201821644577.6U Active CN209446437U (en) | 2018-10-10 | 2018-10-10 | Medium-sized bioaerosol sedimentation evaluation and test cabin |
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2018
- 2018-10-10 CN CN201821644577.6U patent/CN209446437U/en active Active
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