CN220289321U - Device for bioaerosol test - Google Patents
Device for bioaerosol test Download PDFInfo
- Publication number
- CN220289321U CN220289321U CN202321734904.8U CN202321734904U CN220289321U CN 220289321 U CN220289321 U CN 220289321U CN 202321734904 U CN202321734904 U CN 202321734904U CN 220289321 U CN220289321 U CN 220289321U
- Authority
- CN
- China
- Prior art keywords
- connector
- aerosol
- connecting pipe
- bioaerosol
- fixing sleeve
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 239000000443 aerosol Substances 0.000 claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 210000005239 tubule Anatomy 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 13
- 239000007787 solid Substances 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000002538 fungal effect Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a device for a biological aerosol test, which comprises an aerosol generator, a reaction kettle and a biological aerosol sampler, wherein the air outlet end of the aerosol generator is communicated with a first connecting pipe, one end of the first connecting pipe penetrates through one side of the reaction kettle and then is communicated with the inside of the reaction kettle, the other side of the reaction kettle is fixedly connected with a second connecting pipe communicated with the inside of the reaction kettle, one end of the second connecting pipe is communicated with a second connector, the air inlet end of the biological aerosol sampler is communicated with a hose, one end of the hose is communicated with a first connector, the test is performed by using different powder materials, and the detected parameters of the aerosol are recorded, so that the device can be used for testing the influence conditions of different materials on the aerosol, and the condition that solid particles enter the biological aerosol sampler to cause overheat or damage of the biological aerosol sampler is greatly reduced by arranging a filter screen for filtering.
Description
Technical Field
The utility model relates to the technical field of bioaerosol tests, in particular to a device for bioaerosol tests.
Background
Bioaerosols refer to complex mixtures of airborne biological particulates such as microorganisms, cell debris, pollen, fungal spores, etc., and bioaerosol tests, in which the impact of powder materials on aerosols is generally studied using the apparatus of bioaerosol tests, aimed at improving the understanding of aerosols, evaluating their potential impact, and providing scientific basis for related applications and control, are an important method of studying airborne biological particulates such as microorganisms, cell debris, pollen, fungal spores, etc.
However, in the prior art, the device for bioaerosol test generally has some problems, one of which is that it is difficult to effectively filter and remove solid particles in aerosol, the solid particles are accumulated and blocked inside the sampler, normal flow of air flow is blocked, workload of the sampler is increased, and equipment overheat or damage is possibly caused, based on which we propose a device for bioaerosol test to optimize the device.
Disclosure of Invention
The present utility model is directed to a device for bioaerosol testing, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a device for biological aerosol test, includes aerosol generator, reation kettle and biological aerosol sample thief, aerosol generator's end intercommunication of giving vent to anger has first connecting pipe, the one end of first connecting pipe runs through behind one side of reation kettle rather than inside intercommunication, the opposite side of reation kettle runs through fixedly connected with rather than the second connecting pipe of inside intercommunication, the one end intercommunication of second connecting pipe has the second connector, biological aerosol sample thief's inlet end intercommunication has the hose, the one end intercommunication of hose has first connector, be provided with the packing ring before first connector and the second connector, set up the sealing performance of packing ring assurance first connector and second connector junction, the inboard of first connector and second connector is provided with the tubule jointly, the both ends inboard of tubule is fixedly connected with filter screen.
As a further scheme of the utility model: the first connector passes through coupling assembling fixed connection with the second connector, and coupling assembling includes first fixed cover, the fixed cover of second and bolt, the outside of second connector is located to first fixed cover movable sleeve, the outside of first connector is located to the fixed cover movable sleeve of second, all transversely run through on the circumferencial direction of first fixed cover and the fixed cover of second and offered a plurality of perforation that is used for bolted connection, after the bolt passes the perforation with first fixed cover and the fixed cover fixed connection of second, the bolt is provided with a plurality of.
As still further aspects of the utility model: the inside rotation of reation kettle is connected with the pivot, fixedly connected with motor on the reation kettle lateral wall, the one end of pivot pass behind the reation kettle with the rotation end fixed connection of motor, the equidistance is provided with a plurality of stirring board on the outside circumferencial direction of pivot, fixedly connected with puddler on the stirring board, the one end of puddler and the lateral wall fixed connection of pivot.
As still further aspects of the utility model: the first connecting pipe is fixedly provided with a first valve.
As still further aspects of the utility model: and a second valve is fixedly arranged on the second connecting pipe.
As still further aspects of the utility model: the top of the reaction kettle is fixedly connected with a powder material feeding pipe communicated with the inside of the reaction kettle, and a third valve is arranged on the powder material feeding pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the device for the biological aerosol test can be used for testing by using different powder materials and recording the detected parameters of the aerosol, can be used for testing the influence condition of different materials on the aerosol, and can be used for filtering by arranging the filter screen, so that the condition that solid particles enter the biological aerosol sampler to cause overheat or damage of the biological aerosol sampler equipment is greatly reduced, and the working load of the sampler is reduced.
2. According to the utility model, the filter screen is taken out by detaching the bolts and then taking the small pipe out of the first connector and the second connector, so that the filter screen can be conveniently cleaned, and the condition that the filter screen is blocked due to long-term use is avoided.
3. In the utility model, the powder material is stirred by the stirring plate, so that the reaction efficiency of the powder material and aerosol is accelerated, and the reaction is promoted.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for bioaerosol testing.
Fig. 2 is an enlarged view at a in an apparatus for bioaerosol testing.
Fig. 3 is a side view of a small tube in an apparatus for bioaerosol testing.
The figure shows: the device comprises an aerosol generator 1, a first valve 2, a first connecting pipe 3, a stirring rod 4, a reaction kettle 5, a stirring plate 6, a second valve 7, a second connecting pipe 8, a hose 9, a biological aerosol sampler 10, a motor 11, a rotating shaft 12, a first connecting joint 13, a second connecting joint 14, a small pipe 15, a filter screen 16, a gasket 17, a first fixing sleeve 18, a second fixing sleeve 19 and a bolt 20.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, in an embodiment of the present utility model, a device for a bio-aerosol test includes an aerosol generator 1, a reaction kettle 5 and a bio-aerosol sampler 10, wherein an air outlet end of the aerosol generator 1 is communicated with a first connecting pipe 3, one end of the first connecting pipe 3 penetrates through one side of the reaction kettle 5 and then is communicated with the inside of the reaction kettle 5, a second connecting pipe 8 which is fixedly connected with the inside of the reaction kettle 5 is penetrated through the other side of the reaction kettle 5, one end of the second connecting pipe 8 is communicated with a second connector 14, an air inlet end of the bio-aerosol sampler 10 is communicated with a hose 9, one end of the hose 9 is communicated with a first connecting joint 13, a gasket 17 is arranged in front of the first connecting joint 13 and the second connector 14, the gasket 17 is arranged to ensure sealing performance of a joint of the first connecting joint 13 and the second connector 14, a small pipe 15 is jointly arranged on the inner sides of the first connecting joint 13 and the second connector 14, the small pipe 15 penetrates through the gasket 17, notches which are matched with the small pipe 15 are fixedly connected with the inner sides of the two ends of the small pipe 15, and the inner sides of the small pipe 15 are fixedly connected with a filter screen 16, and the filter screen 16 can filter solid particles through the filter screen.
The first connector 13 passes through coupling assembling fixed connection with the second connector 14, coupling assembling includes first fixed cover 18, the fixed cover 19 of second and bolt 20, the outside of second connector 14 is located to first fixed cover 18 movable sleeve, the outside of first connector 13 is located to the movable cover of second fixed cover 19, a plurality of perforation that is used for the bolt 20 to connect has all transversely been seted up in the circumferencial direction of first fixed cover 18 and the fixed cover 19 of second, after the bolt 20 passes the perforation with the fixed cover 19 fixed connection of first fixed cover 18 and second, bolt 20 is provided with a plurality of.
The inboard rotation of reation kettle 5 is connected with pivot 12, fixedly connected with motor 11 on the reation kettle 5 lateral wall, the one end of pivot 12 pass behind the reation kettle 5 with the rotation end fixed connection of motor 11, equidistant a plurality of stirring board 6 that are provided with in the outside circumferencial direction of pivot 12, fixedly connected with puddler 4 on the stirring board 6, the one end of puddler 4 and the lateral wall fixed connection of pivot 12.
The filter 16 is a PTFE membrane filter, which has excellent chemical stability and temperature resistance, is suitable for filtering aerosol particles, and generally has high particle capturing efficiency and good ventilation performance.
The first connecting pipe 3 is fixedly provided with a first valve 2, and the second connecting pipe 8 is fixedly provided with a second valve 7.
The top of the reaction kettle 5 is fixedly connected with a powder material feeding pipe communicated with the inside of the reaction kettle, and a third valve is arranged on the powder material feeding pipe.
The reaction kettle 5 is provided with a sealing door which can be opened and closed, so that the interior of the reaction kettle 5 is convenient to operate and clean.
Both the aerosol generator 1 and the bioaerosol sampler 10 are existing commercial products, the aerosol generator is used for converting liquid or solid substances into tiny particles suspended in air to form aerosol, and the bioaerosol sampler is a device for collecting biological particles (such as bacteria, viruses, fungal spores and the like) suspended in air.
The aerosol generator 1, the motor 11 and the biological aerosol sampler 10 are electrically connected with an external controller through wires, and the external controller is used for controlling the energizing operation of the aerosol generator 1, the motor 11 and the biological aerosol sampler 10.
Working principle: when the device is specifically used, the third valve is opened, powder materials to be tested are put into the reaction kettle 5 through the powder material feeding pipe, then the third valve is closed, the aerosol generator 1 is started, aerosol gas is generated through the operation of the aerosol generator 1, meanwhile, the first valve 2 is opened, aerosol is conveyed into the reaction kettle 5 through the first connecting pipe 3, the rotating shaft 12 is driven to rotate through the rotating end rotation of the motor 11, the stirring rod 4 is driven by the rotating shaft 12 to rotate the stirring rod 4, so that the powder materials are stirred through the stirring plate 6, the reaction efficiency of the powder materials and the aerosol is further improved, after a period of reaction, the second valve 7 is opened, the aerosol after the reaction in the reaction kettle 5 is conveyed into the second connecting pipe 14 through the second connecting pipe 8, then is filtered through the filter screen 16, solid particles in the aerosol after the reaction can be effectively removed through the use of the filter screen 16, the aerosol enters the first connecting head 13 through the small pipe 15, the solid particles in the gas are blocked by the filter screen 16, so that only the aerosol in the gas state can pass through the filter screen 16 and enter the biological aerosol sampler 10 for further detection and analysis, the filter screen 16 is arranged for filtering, the condition that the solid particles enter the biological aerosol sampler 10 to cause overheat or damage of equipment of the biological aerosol sampler 10 is greatly reduced, then the aerosol enters the hose 9 through the first connecting head 13 and then enters the biological aerosol sampler 10 through the hose 9, the entering aerosol is detected through the biological aerosol sampler 10, the parameters (such as biological particle concentration and the like) of the aerosol detected through the biological aerosol sampler 10, after the test of one powder material is finished, the device is cleaned, then different powder materials are added into the reaction kettle 5, under the condition that the consistency of all test parameters is ensured, parameters such as the concentration of the aerosol finally detected by the biological aerosol sampler 10 are recorded, and then the data are put together for comparison, so that the influence condition of different powder materials on the aerosol is obtained, and the test is finished.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. Device for bioaerosol testing, comprising an aerosol generator (1), a reaction kettle (5) and a bioaerosol sampler (10), characterized in that: the aerosol generator (1) give vent to anger the end intercommunication has first connecting pipe (3), the one end of first connecting pipe (3) run through behind one side of reation kettle (5) rather than inside intercommunication, the opposite side of reation kettle (5) run through fixedly connected with rather than inside second connecting pipe (8) of intercommunication, the one end intercommunication of second connecting pipe (8) has second connector (14), the inlet end intercommunication of biological aerosol sampler (10) has hose (9), the one end intercommunication of hose (9) has first connector (13), be provided with packing ring (17) before first connector (13) and second connector (14), set up sealing performance that first connector (13) and second connector (14) junction guarantee, the inboard of first connector (13) and second connector (14) is provided with tubule (15) jointly, the inboard of tubule (15) is all fixedly connected with filter screen (16) at the both ends.
2. The device for bioaerosol testing according to claim 1, wherein: the first connector (13) is fixedly connected with the second connector (14) through a connecting component, the connecting component comprises a first fixing sleeve (18), a second fixing sleeve (19) and a bolt (20), the first fixing sleeve (18) is movably sleeved on the outer side of the second connector (14), the second fixing sleeve (19) is movably sleeved on the outer side of the first connector (13), a plurality of through holes for connecting the bolt (20) are transversely formed in the circumferential directions of the first fixing sleeve (18) and the second fixing sleeve (19), the bolt (20) penetrates through the through holes and then fixedly connects the first fixing sleeve (18) with the second fixing sleeve (19), and the bolt (20) is provided with a plurality of through holes.
3. The device for bioaerosol testing according to claim 1, wherein: the inside rotation of reation kettle (5) is connected with pivot (12), fixedly connected with motor (11) on reation kettle (5) lateral wall, after one end of pivot (12) passes reation kettle (5) with the rotation end fixed connection of motor (11), equidistance is provided with a plurality of stirring board (6) on the outside circumferencial direction of pivot (12), fixedly connected with puddler (4) on stirring board (6), the one end of puddler (4) and the lateral wall fixed connection of pivot (12).
4. The device for bioaerosol testing according to claim 1, wherein: the first connecting pipe (3) is fixedly provided with a first valve (2).
5. The device for bioaerosol testing according to claim 1, wherein: and a second valve (7) is fixedly arranged on the second connecting pipe (8).
6. The device for bioaerosol testing according to claim 1, wherein: the top of the reaction kettle (5) is fixedly connected with a powder material feeding pipe communicated with the inside of the reaction kettle, and a third valve is arranged on the powder material feeding pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734904.8U CN220289321U (en) | 2023-07-04 | 2023-07-04 | Device for bioaerosol test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734904.8U CN220289321U (en) | 2023-07-04 | 2023-07-04 | Device for bioaerosol test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289321U true CN220289321U (en) | 2024-01-02 |
Family
ID=89330826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321734904.8U Active CN220289321U (en) | 2023-07-04 | 2023-07-04 | Device for bioaerosol test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289321U (en) |
-
2023
- 2023-07-04 CN CN202321734904.8U patent/CN220289321U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106324197B (en) | A kind of atmosphere pollution detection means for being easy to cleaning | |
| CN204556457U (en) | A kind of stationary pollution source PM2.5 discharges continuous monitor system | |
| CN220289321U (en) | Device for bioaerosol test | |
| CN107703255A (en) | Air quality detecting device | |
| CN212483100U (en) | From smoke tester of taking filtering capability | |
| CN117705515A (en) | Biological aerosol toxicity tester | |
| CN115656420B (en) | Air quality monitoring instrument | |
| CN213422730U (en) | Sampling device for air detection | |
| CN112683603B (en) | Ambient air particulate matter sampling device | |
| CN212658514U (en) | Sampling device for exhaust-gas detection | |
| CN202330406U (en) | Online detection and control device for preventing explosion of combustible gas | |
| CN212379372U (en) | Food pesticide residue check out test set | |
| CN206710368U (en) | A kind of formaldehyde, ammonia detection means | |
| CN212932314U (en) | Raise dust check out test set | |
| CN219328774U (en) | Environment quality testing device | |
| CN219641348U (en) | Sampling device | |
| CN217092752U (en) | Take on-line monitoring's exhaust-gas treatment equipment | |
| CN210803040U (en) | Comprehensive sampler for environmental air particles | |
| CN207366287U (en) | A kind of fume tester that can indicate early warning | |
| CN219038957U (en) | Anti-blocking type combustible gas detector | |
| CN220207201U (en) | Air detection sampler | |
| CN220289552U (en) | Gas analyzer device | |
| CN215894480U (en) | Magnetic particle flaw detector with detection effect | |
| CN219391932U (en) | Gas mass spectrometer sampling device | |
| CN217006551U (en) | Sampling device for dust continuous emission monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |