CN209508253U - A kind of microbial aerosol enrichment plant - Google Patents
A kind of microbial aerosol enrichment plant Download PDFInfo
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- CN209508253U CN209508253U CN201822231236.2U CN201822231236U CN209508253U CN 209508253 U CN209508253 U CN 209508253U CN 201822231236 U CN201822231236 U CN 201822231236U CN 209508253 U CN209508253 U CN 209508253U
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Abstract
The utility model discloses a kind of microbial aerosol enrichment plants, including a cabinet and condensation chamber and heat dissipation chamber, cabinet is additionally provided with a collection device, collection device is connected with condensation chamber, one group of semiconductor chilling plate is equipped between condensation chamber and heat dissipation chamber, condensation chamber is set to semiconductor chilling plate cold end side, for collecting outside air and condensing the aerosol in air to form drop by cooling, aerosol in air comprising microorganism is enriched in drop, drop flows into collection device by pipeline, and heat dissipation chamber is set to semiconductor chilling plate hot end side.The enrichment method of the microbial aerosol enrichment plant and air microbe, have the advantages that 1. can the microorganism to different size partial size can be carried out enrichment；2. can largely be sampled to microbes in air；3. long-time sampling can be carried out；4. full-automatic microbial aerosol enrichment, no institute's manual operation can be realized；5. microorganism in enrichment process can be reduced to lose, retain microbial activity to the full extent.
Description
Technical field
The utility model relates to public health area air microorganism monitoring field, in particular to a kind of microbial aerosol is rich
Collect equipment and a kind of enrichment method of air microbe.
Background technique
In more than 500 pathogenic bacteria of wide-scale distribution, up to 100 kinds or more of pathogenic bacteria propagated through aerosol form are occupied
All routes of transmission are the first.The respiratory disease infection rate that the whole world causes because microbial aerosol is propagated every year is up to 20%.
The acquisition of air microbe aerosol is the basis for realizing microbial aerosol monitoring.Microbial aerosol vulnerable to
The influence of a variety of environmental factors and self-characteristic such as temperature, humidity, wind speed, ultraviolet radiation, therefore sampling efficiency can be with sampling
Condition and cause of disease body characteristics are different.How to improve the bioaccumulation efficiency of microbial aerosol is microbial aerosol acquisition technique
Critical problem.
Common microorganism acquisition technique includes natural sedimentation, solid impact method, hydraulic shock method, centrifugal process, cyclone
Acquisition method, filtration method, electrostatic method etc..
Natural sedimentation is the gravity by air microbe, allows the air microbe in locating region within a certain period of time
Grain is gradually deposited to a kind of method of sampling in the plate with culture medium.
Disadvantage: 1. this method can only generally collect 8 μm of partial size > of microbial aerosol, micro- for 5 μm of partial size <
Bioaerosol collecting efficiency is very low；2. this method is suitable for acquiring sample in the environment small and stable in air velocity, air-flow is not
Stablize and will lead to the biggish deviation of result appearance.
After solid impact method refers to that microbes in air aerosol particle obtains enough inertia, it is detached from air-flow and strikes against admittedly
A kind of method of sampling on body plate.
: 1. there is wall loss in disadvantage, particle slips from collection surface and broken etc. easily causes error；2. not being suitable for pressing
Power responsive type microorganism；3. sampling step is more many and diverse, required nutrient agar panel is also more.
Hydraulic shock method is to be collected biomone in air in liquid medium (such as physiological saline, battalion by jet-stream wind
Nutrient solution etc.) in, biomone is captured by the viscosity of liquid, acquisition partial size depends on impact distance and air velocity.
Disadvantage: 1. sample size is small, and micro microorganism is difficult to monitor；2. sampler is glassware, not portable.
Cyclone acquisition method is one kind of hydraulic shock formula sampler.This kind of sampler is evolved by cyclone dust collectors,
Using centrifugal inertial force of microorganism particle during flow rotation, microorganism is separated to from air-flow and is trapped in wall,
Fall into particle in sampler bottom collection medium by gravity again.
Disadvantage: due to being set as helical structure inside its sampler, so microbial aerosol impacts spiral shell in sampling process
Wall loss when revolving structure is bigger.
Filtering acquisition method is when air passes through porous membrane with certain speed, and microorganism particle is intercepted and is trapped in filter
On film.
Disadvantage: the sample 1. acquired needs to carry out secondary treatment, easily causes error to detection；2. the filter membrane requirement sampled
Relative humidity is usually within the scope of 30%-85%, and relative humidity is too low, and when air-flow percent of pass mould be easy to cause the microorganism of capture
Example inactivation, humidity is excessively high, is easy to cause on filter membrane and forms moisture film, blocks filter hole；3. the sampling time is unsuitable too long.
Electrostatic collection method is divided into decanter type Electrostatic collection method, ion charging Electrostatic collection method, electrostatic field sampling method.
Disadvantage: this method can generate corona phenomenon due to increasing charge to microbial aerosol, and charging process can generate smelly
Oxygen may will affect microbial activity, reduce collecting efficiency.
Utility model content
The purpose of the utility model is to provide a kind of microbial aerosol enrichment plants.
One aspect according to the present utility model provides a kind of microbial aerosol enrichment plant, including a cabinet
And the condensation chamber and heat dissipation chamber, cabinet of cabinet inside setting are additionally provided with a collection device, collection device by pipeline with it is cold
Solidifying room is connected, and one group of semiconductor chilling plate is equipped between condensation chamber and heat dissipation chamber, and condensation chamber is set to semiconductor chilling plate cold end
Side includes microorganism in air for collecting outside air and condensing the aerosol in air to form drop by cooling
Aerosol be enriched in drop, drop flows into collection device by pipeline, and collection device is for collecting and store condensation chamber
The drop of middle formation is simultaneously discharged by a tapping valve, and heat dissipation chamber is set to semiconductor chilling plate hot end side, and being used in time will be partly
The heat in conductor cooling piece hot end is transferred to outside cabinet.
Further, it is equipped with an air air inlet above condensation chamber, is equipped with multiple condensate films, condensate film inside condensation chamber
It is fixedly mounted with semiconductor chilling plate cold end, a drip tray is equipped with below condensate film, drip tray and collection device pass through pipeline
It is connected, after outside air enters condensation chamber by air air inlet, is cooled down rapidly when flowing through condensate film, the aerosol in air is solidifying
Form drop on condensate film surface and flowed downwardly into drip tray along condensate film, collection device is then flowed by pipeline again.
Further, heat dissipation chamber is respectively equipped with cooling air inlet and hot wind outlet, and blower, blower are additionally provided in heat dissipation chamber
Air enters heat dissipation chamber by cooling air inlet when work, is discharged after flowing through semiconductor chilling plate hot end by hot wind outlet.
Specifically, blower is set to hot wind outlet side, and communication port, blower work are additionally provided between condensation chamber and heat dissipation chamber
When cabinet inside be in negative pressure state, air divides two-way to respectively enter condensation chamber and heat dissipation by air air inlet and cooling air inlet
Room.
Further, heat dissipation chamber is additionally provided with a water circulation cooling device, and water circulation cooling device includes a water circulation
The air-cooled water that pump is mounted on the inside of hot wind outlet with one is arranged, and water-circulating pump is arranged respectively with air-cooled water and the heat of semiconductor chilling plate
End is connected, and water is arranged in air-cooled water when water-circulating pump works circulates between the hot end of semiconductor chilling plate, by semiconductor
The heat in cooling piece hot end is transferred to air-cooled water row.
Further, vaporization chamber is additionally provided with below condensation chamber, vaporization chamber bottom is equipped with an evaporation pan, heating evaporation
Disk is for accepting the simultaneously remaining water droplet of heating evaporation condensation chamber.
Further, vaporization chamber is connected with heat dissipation chamber by a communication port, and the vapor formed in vaporization chamber passes through
Communication port enters heat dissipation chamber, is discharged outside cabinet after being arranged by air-cooled water from hot wind outlet.
Further, communication port is equipped with a flow blow, and flow blow is for air to be delivered to by condensation chamber side
Heat dissipation chamber side.
It further, further include chlorination equipment, chlorination equipment includes at least one ultraviolet germicidal lamp and for driving purple
The ballast of outside line bactericidal lamp, ultraviolet germicidal lamp face condensate film, for being sterilized and being disinfected to condensate film, ballast
Device is electrically connected with ultraviolet germicidal lamp.
Further, insulating layer is additionally provided with around condensation chamber.
Other side according to the present utility model provides a kind of enrichment method of air microbe, including following spy
Sign:
It constructs mutually isolated condensation chamber and heat dissipation chamber respectively in the cold and hot end of semiconductor chilling plate, passes through heat dissipation chamber
The heat in semiconductor chilling plate hot end is transferred out in time, to maintain the low-temperature condition of condensation chamber；
Outside air is divided into two-way under the action of blower and respectively enters condensation chamber and heat dissipation chamber, into the air of condensation chamber
Temperature decrease, at drop, the aerosol in air comprising microorganism is enriched in drop Water vapor condensation therein, into dissipating
The air in hot cell is then heated by the hot end of semiconductor chilling plate, to transfer heat from；
Drop flows into applicator after being collected by drip tray, and then carries out next step detection and analysis to wherein microorganism,
To detect the type and activity condition of the microorganism in the region；
Vaporization chamber is set below condensation chamber, and vaporization chamber is equipped with evaporation pan, when microbial aerosol enriching quantity reaches
It is required that when, semiconductor chilling plate stops refrigeration, can flow into drip tray since condensate film still remains drop, at this time evaporation pan
It can be by surplus liquid evaporation process, by high-temperature heating, so that the air humidity for reducing condensation chamber side is molten to extra gas simultaneously
Glue sample carries out sterilization treatment, avoids pollution；
Into condensation chamber air flow through vaporization chamber after, heat dissipation chamber is entered by a communication port, and with the indoor sky that radiates
It is discharged after gas mixing as cooling wind, temperature is too low after flowing through condensation chamber due to air, is easy after being directly discharged into air
Cabinet surface forms water droplet and corrodes metal surface, and the mesh for preventing water droplet from generating can be achieved in discharge after the air after air-cooled water row
's.
Using the microbial aerosol enrichment plant of above technical scheme and the enrichment method of air microbe, have following
The utility model has the advantages that
1. can the microorganism to different size partial size can be carried out enrichment；
2. can largely be sampled to microbes in air；
3. long-time sampling can be carried out；
4. full-automatic microbial aerosol enrichment, no institute's manual operation can be realized；
5. microorganism in enrichment process can be reduced to lose, retain microbial activity to the full extent.
Detailed description of the invention
Fig. 1 is a kind of longitudinal section cross-sectional view of the microbial aerosol enrichment plant of embodiment of the utility model.
Fig. 2 is the longitudinal section cross-sectional view of microbial aerosol enrichment plant shown in Fig. 1.
Specific embodiment
Term is explained:
Microbial aerosol: microbial aerosol refers to that the microorganism being suspended in the air is formed by colloidal dispersion.It is micro-
Bioaerosol and human lives and health are closely related, and microbial aerosol partial size is generally at 0.002 μm~30 μm, with the mankind
The related microbial aerosol particle diameter of disease is generally between 4~20 μm.
Enrichment: the trace element measured in advance is collected from a large amount of parent materials to a smaller size smaller, to improve its content
This operation step more than to Determination Limit.
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 and Fig. 2 schematically shows a kind of microbial aerosol enrichment of embodiment according to the present utility model
Equipment.As shown, the device includes the condensation chamber 2 being arranged inside a cabinet 1 and cabinet 1 and heat dissipation chamber 3.Cabinet 1 is also
Equipped with a collection device 4, collection device 4 is connected by pipeline with condensation chamber 2.
Wherein, one group of semiconductor chilling plate 5 is equipped between condensation chamber 2 and heat dissipation chamber 3.
Condensation chamber 2 be set to 5 cold end side of semiconductor chilling plate, for collect outside air and by cooling will be in air
Aerosol condenses to form drop, and the aerosol in air comprising microorganism is enriched in drop
Drop flows into collection device 4 by pipeline.
Collection device 4 is for collecting and storing the drop formed in condensation chamber 2 and be discharged by a tapping valve 41.
Heat dissipation chamber 3 is set to 5 hot end side of semiconductor chilling plate, in time turning the heat in 5 hot end of semiconductor chilling plate
It moves to outside cabinet 1.
An air air inlet 21 is equipped with above condensation chamber 2.
Multiple aluminium alloy condensate films 22 are equipped with inside condensation chamber 2.
Aluminium alloy condensate film 22 and 5 cold end of semiconductor chilling plate are fixedly mounted.One is equipped with below aluminium alloy condensate film 22
Drip tray 23.
Drip tray 23 is connected with collection device 4 by pipeline, and outside air enters condensation chamber 2 by air air inlet 21
Afterwards, it is cooled down rapidly when flowing through aluminium alloy condensate film 22, the aerosol in air condenses into drop on 22 surface of aluminium alloy condensate film
And it is flowed downwardly into drip tray 23 along aluminium alloy condensate film 22.
Heat dissipation chamber 3 is respectively equipped with cooling air inlet 31 and hot wind outlet 32.
Two blowers 33 are additionally provided in heat dissipation chamber 3.
Air enters heat dissipation chamber 3 by cooling air inlet 31 when blower 33 works, and flows through behind 5 hot end of semiconductor chilling plate by heat
Wind outlet 32 is discharged.
In the present embodiment, blower 33 is set to 32 side of hot wind outlet.
Communication port 24 is additionally provided between condensation chamber 2 and heat dissipation chamber 3.
Negative pressure state is in when blower 33 works inside cabinet 1, air is divided by air air inlet 21 and cooling air inlet 31
Two-way respectively enters condensation chamber 2 and heat dissipation chamber 3.
Heat dissipation chamber 3 is additionally provided with a water circulation cooling device 34.
Water circulation cooling device 34 includes that a water-circulating pump 341 and one are mounted on the air-cooled water of 32 inside of hot wind outlet
Row 342.
Water-circulating pump 341 is connected with the hot end of air-cooled water row 342 and semiconductor chilling plate 5 respectively, 341 work of water-circulating pump
Water circulates between air-cooled water row 342 and the hot end of semiconductor chilling plate 5 when making, by the heat in 5 hot end of semiconductor chilling plate
Amount is transferred to air-cooled water row 342, then is taken out of outside cabinet 1 by air stream.
Vaporization chamber 8 is additionally provided with below condensation chamber 2.
8 bottom of vaporization chamber is equipped with an evaporation pan 81.Evaporation pan 81 is for accepting simultaneously heating evaporation condensation chamber 2
Remaining water droplet.When microbial aerosol enriching quantity reaches requirement, semiconductor chilling plate 5 stops refrigeration, since aluminium alloy is cold
Solidifying piece 22, which still remains drop, can flow into drip tray 23, and surplus liquid evaporation process can be passed through height by evaporation pan 81 at this time
Temperature heating avoids dirt so that the air humidity for reducing by 2 side of condensation chamber carries out sterilization treatment to extra aerosol sample simultaneously
Dye.
Vaporization chamber 8 is connected with heat dissipation chamber 3 by communication port 24, and the vapor formed in vaporization chamber 8 passes through communication port 24
Into heat dissipation chamber 3, and by being discharged outside cabinet 1 after air-cooled water row 342 from hot wind outlet 32.
Temperature is too low after flowing through condensation chamber 2 due to air, is easy to form water droplet on 1 surface of cabinet after being directly discharged into air
Corrode metal surface, the purpose for preventing water droplet from generating can be achieved in discharge after 342 air after air-cooled water row.
In the present embodiment, communication port 24 is equipped with a flow blow 25.Flow blow 25 is used for air by condensation chamber 2
Side is delivered to 3 side of heat dissipation chamber.
In the present embodiment, chlorination equipment 6 is additionally provided in cabinet 1.Chlorination equipment 6 includes at least one ultraviolet sterilization
Lamp 61 and ballast 62 for driving ultraviolet germicidal lamp 61.61 face aluminium alloy condensate film 22 of ultraviolet germicidal lamp, is used for
It condenses 22 to aluminium alloy to be sterilized and disinfected, ballast 62 is electrically connected with ultraviolet germicidal lamp 61.
In the present embodiment, insulating layer 7 is additionally provided with around condensation chamber 2.
In the present embodiment, it is provided with six chip semiconductor cooling pieces 5 altogether.Six semiconductor chilling plates 5 be divided into two-by-two A,
B, tri- branches of C.Upon start up, B branch and blower 33 and the common continuous service of water circulating pump 241, A branch and C branch are then pressed
The setting of temperature controller is run；Reach setting value when temperature controller measures condenser temperature, A branch and C branch block point.
It is enriched with based on the above microbial aerosol, the present embodiment additionally provides a kind of enrichment method of air microbe, wraps
Include following characteristics:
Mutually isolated condensation chamber 2 and heat dissipation chamber 3 are constructed respectively in the cold and hot end of semiconductor chilling plate 5, by dissipating
The heat in 5 hot end of semiconductor chilling plate is transferred out by hot cell 3 in time, to maintain the low-temperature condition of condensation chamber 2；
Outside air is divided into two-way under the action of blower 33 and respectively enters condensation chamber 2 and heat dissipation chamber 3, into condensation chamber 2
Air themperature rapid drawdown, at drop, the aerosol in air comprising microorganism is enriched in drop Water vapor condensation therein,
Air into heat dissipation chamber 3 is then heated by the hot end of semiconductor chilling plate 5, to transfer heat from；
Drop flows into applicator 4 after being collected by drip tray 23, and then carries out detection point in next step to wherein microorganism
Analysis, to detect the type and activity condition of the microorganism in the region；
Vaporization chamber 8 is set below condensation chamber 2, and vaporization chamber 8 is equipped with evaporation pan 81, when microbial aerosol enriching quantity
When reaching requirement, semiconductor chilling plate 5 stops refrigeration, can flow into drip tray 23 since aluminium alloy condensate film 22 still remains drop,
Evaporation pan 81 can be by surplus liquid evaporation process, by high-temperature heating, so that the air for reducing by 2 side of condensation chamber is wet at this time
Degree carries out sterilization treatment to extra aerosol sample simultaneously, avoids pollution；
Into condensation chamber 2 air flow through vaporization chamber 8 after, heat dissipation chamber 3 is entered by communication port 24, and with heat dissipation chamber 3
It is discharged after interior air mixing as cooling wind.Air flow through temperature after condensation chamber 2 it is too low when, appearance after being directly discharged into air
Water droplet easily, which is formed, on 1 surface of cabinet corrodes metal surface.Being discharged after air after air-cooled water row 342 can be achieved: the first, anti-
Sealing drop generates；The second, cold air recycling can reduce cooling water temperature in air-cooled water row 342, realize energy-saving effect.
Laboratory simulation sampling:
25 degrees Celsius of environment temperature, humidity 60%.
10 minutes extraction 4000L air are run under blower voltage 12V, 3500rpm/min, contain 8.0 × 10 in air8It is a
Escherichia coli, condense 20, tooth, are cooled to 5.0 DEG C in 1 minute under 12V power supply, start to generate after 3 minutes cold by condenser 1
Condensate is condensed out the condensed water of 8.8ml altogether after ten minutes.Contain 6.2 × 10 in 35.1ml condensed water8A Escherichia coli.Condensation
Recovery efficiency 77.5%.
Using the microbial aerosol enrichment plant of above technical scheme and the enrichment method of air microbe, have following
The utility model has the advantages that
1. can the microorganism to different size partial size can be carried out enrichment；
2. can largely be sampled to microbes in air；
3. long-time sampling can be carried out；
4. full-automatic microbial aerosol enrichment, no institute's manual operation can be realized；
5. microorganism in enrichment process can be reduced to lose, retain microbial activity to the full extent.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical
Novel protection scope.
Claims (9)
1. a kind of microbial aerosol enrichment plant, it is characterised in that: be arranged including a cabinet and the cabinet inside
Condensation chamber and heat dissipation chamber, the cabinet are additionally provided with a collection device, and the collection device passes through pipeline and the condensation chamber phase
Connection, is equipped with one group of semiconductor chilling plate between the condensation chamber and the heat dissipation chamber, the condensation chamber is set to the semiconductor
Cooling piece cold end side, for collecting outside air and condensing the aerosol in air to form drop by cooling, in air
Aerosol comprising microorganism is enriched in the drop, and the drop flows into the collection device, institute by the pipeline
Collection device is stated for collecting and storing the drop formed in the condensation chamber and by a tapping valve discharge, the heat dissipation chamber
Set on semiconductor chilling plate hot end side, for the heat in the semiconductor chilling plate hot end to be transferred to the machine in time
Outside case.
2. microbial aerosol enrichment plant according to claim 1, which is characterized in that be equipped with one above the condensation chamber
A air air inlet, the condensation chamber inside are equipped with multiple condensate films, and the condensate film and the semiconductor chilling plate cold end are solid
Dingan County's dress, the condensate film lower section are equipped with a drip tray, and the drip tray is connected with the collection device by pipeline, outside
After portion's air enters the condensation chamber by the air air inlet, cooled down rapidly when flowing through the condensate film, the gas in air is molten
Gelling is formed drop on the condensate film surface and is flowed downwardly into the drip tray along the condensate film.
3. microbial aerosol enrichment plant according to claim 2, which is characterized in that the heat dissipation chamber is respectively equipped with cold
But air inlet and hot wind outlet are additionally provided with blower in the heat dissipation chamber, and air cooling is entered the wind by described when the blower works
Mouth enters the heat dissipation chamber, is discharged after flowing through the semiconductor chilling plate hot end by the hot wind outlet.
4. microbial aerosol enrichment plant according to claim 3, which is characterized in that the blower is set to the hot wind
Outlet side is additionally provided with communication port, blower cabinet inside when working between the condensation chamber and the heat dissipation chamber
In negative pressure state, air by the air air inlet and the cooling air inlet divide two-way respectively enter condensation chamber and it is described dissipate
Hot cell.
5. according to the described in any item microbial aerosol enrichment plants of claim 3 or 4, which is characterized in that the heat dissipation chamber
It is additionally provided with a water circulation cooling device, the water circulation cooling device includes that a water-circulating pump and one is mounted on the hot wind
Air-cooled water row on the inside of outlet, the water-circulating pump is arranged respectively with the air-cooled water and the hot end phase of the semiconductor chilling plate
Connection, water circulates between the air-cooled water row and the hot end of the semiconductor chilling plate when water-circulating pump works,
The heat in the semiconductor chilling plate hot end is transferred to the air-cooled water row.
6. microbial aerosol enrichment plant according to claim 5, which is characterized in that be additionally provided with below the condensation chamber
Vaporization chamber, the vaporization chamber bottom are equipped with an evaporation pan, and the evaporation pan is for accepting described in simultaneously heating evaporation
The remaining water droplet of condensation chamber.
7. microbial aerosol enrichment plant according to claim 6, which is characterized in that the vaporization chamber and the heat dissipation
Room is connected by a communication port, and the vapor formed in the vaporization chamber enters the heat dissipation chamber by the communication port,
By being discharged outside the cabinet after the air-cooled water row from the hot wind outlet.
8. microbial aerosol enrichment plant according to claim 7, which is characterized in that the communication port is equipped with a stream
Ventilation blower, the flow blow are used to air being delivered to the heat dissipation chamber side by the condensation chamber side.
9. microbial aerosol enrichment plant according to claim 2, which is characterized in that it further include chlorination equipment, it is described
Chlorination equipment includes at least one ultraviolet germicidal lamp and the ballast for driving the ultraviolet germicidal lamp, the ultraviolet light
Condensate film described in bactericidal lamp face, for the condensate film to be sterilized and is disinfected, the ballast with it is described ultraviolet
The electrical connection of line bactericidal lamp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231236.2U CN209508253U (en) | 2018-12-28 | 2018-12-28 | A kind of microbial aerosol enrichment plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822231236.2U CN209508253U (en) | 2018-12-28 | 2018-12-28 | A kind of microbial aerosol enrichment plant |
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| Publication Number | Publication Date |
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| CN209508253U true CN209508253U (en) | 2019-10-18 |
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ID=68198028
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687069A (en) * | 2021-08-24 | 2021-11-23 | 鲁东大学 | Environment virus prevention detector for livestock raising with simple operation |
-
2018
- 2018-12-28 CN CN201822231236.2U patent/CN209508253U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687069A (en) * | 2021-08-24 | 2021-11-23 | 鲁东大学 | Environment virus prevention detector for livestock raising with simple operation |
| CN113687069B (en) * | 2021-08-24 | 2023-11-07 | 鲁东大学 | Environment virus prevention detector for poultry with easy and simple to handle |
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Effective date of registration: 20230926 Address after: Room 403, No. 34 Gaoke Road, Tianhe District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Jilan Medical Technology Co.,Ltd. Address before: 418, Building C, No. 37 Gaoke Road, Tianhe District, Guangzhou City, Guangdong Province, 510000 Patentee before: GUANGZHOU ST TESTING CO.,LTD. |