CN111514357A - Micro-reaction system for removing haze and killing bacteria and virus aerosol in air - Google Patents
Micro-reaction system for removing haze and killing bacteria and virus aerosol in air Download PDFInfo
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- CN111514357A CN111514357A CN202010293874.6A CN202010293874A CN111514357A CN 111514357 A CN111514357 A CN 111514357A CN 202010293874 A CN202010293874 A CN 202010293874A CN 111514357 A CN111514357 A CN 111514357A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
- A61L9/145—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes air-liquid contact processes, e.g. scrubbing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/013—Deodorant compositions containing animal or plant extracts, or vegetable material
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
- A61L9/12—Apparatus, e.g. holders, therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a micro-reaction system for removing haze and killing bacteria and virus aerosol in air, which comprises a main cavity, wherein two opposite walls of the main cavity are respectively provided with an air inlet and an air outlet, an air suction pump, an air sterilizing liquid mixer, a liquid storage tank and a circulating pump are arranged in the main cavity, an air pressure sensor and a liquid level sensor are arranged in the air sterilizing liquid mixer, two inlets of the air sterilizing liquid mixer are respectively and hermetically connected with an air outlet nozzle of the air suction pump and a water outlet of the circulating pump through pipelines, an opening connected with an outlet of the air sterilizing liquid mixer is arranged on the top of the liquid storage tank, a liquid outlet is arranged on the outlet, a liquid outlet is arranged at the bottom of the liquid storage tank, an exhaust port is arranged at the upper position of the side wall of the liquid storage tank, the liquid outlet is connected with a water inlet of the. The system can eliminate aerosol germs and haze in the air, and the used elimination liquid can be recycled, so that the system is environment-friendly and energy-saving.
Description
Technical Field
The invention belongs to the field of mechanical design, and particularly relates to a micro-reaction system for removing haze and killing bacteria and virus aerosol in air.
Background
An aerosol is a sol formed by using a solid or liquid as a dispersoid (also called a dispersion phase) and a gas as a dispersion medium. The origin and cause of formation of aerosols vary widely, such as pollen, dust, tobacco combustion smoke, and bacteria and viruses. In the public places with dense personnel, such as hospitals, markets, stations, airports, schools, cinemas and the like with poor ventilation, the concentration of haze aerosol and germ aerosol in the air is higher, the existing air conditioning system and the air purification system only have the functions of simple filtration, temperature control and the like, the effects of sterilizing and removing the aerosol cannot be met at all, and on the contrary, bacteria and viruses can be bred on the filter screen for a long time, and the risk of harmful components in the air is increased. And current air evolution system passes through the filter and filters the haze granule, and long-term the use can make the dust in the haze granule block up the filter screen. Therefore, the development of the air purification system which has the functions of killing bacteria and viruses in the air and has the haze removal capability has very important practical significance.
Disclosure of Invention
The invention aims to provide a micro-reaction system for removing haze and killing bacteria and virus aerosol in air, which can kill bacteria and viruses in air and has the haze removing capability.
The purpose of the invention is realized as follows:
the utility model provides a remove little reaction system of bacterium and virus aerosol in haze and killing air, includes the main cavity body, and the air inlet and gas outlet have been opened respectively to two walls that the main cavity body is relative, and the internal aspiration pump, air liquid mixer, liquid storage pot, circulating pump of killing that are provided with of main cavity, two entries of air liquid mixer of killing are passed through the pipeline and are connected with the delivery port sealing of the air outlet nozzle of aspiration pump and circulating pump respectively, be equipped with the opening with the exit linkage of air liquid mixer of killing on the liquid storage pot top, be provided with out the liquid valve in the export, the liquid storage pot bottom is equipped with the liquid outlet, the liquid outlet is connected with the water inlet of circulating pump, is provided with the liquid level inductor in the liquid storage pot, and the signal transmission that liquid level inductor and baroceptor will gather gives control system, and.
The invention cuts the disinfectant into tiny liquid drops through the gas-liquid mixer, increases the contact area of the disinfectant and virus, bacteria, dust and harmful gas in aerosol, and is beneficial to the full mixing of the disinfectant and air, thereby achieving the purposes of killing the virus and bacteria aerosol and removing the dust and the harmful gas in haze particles. Compared with the prior art, the scheme has the advantages that firstly, the scheme can fully mix the sterilizing liquid with the haze particles, the viruses and the bacteria aerosol and then kill the germs, humidify the dust and absorb the toxic gas, so that the aim of purifying the air is fulfilled, and the sterilizing liquid can be recycled, is environment-friendly and energy-saving; secondly, the scheme is different from the traditional filtering method in sterilization and haze removal, so that an expensive filter screen does not need to be frequently replaced, and the cost is greatly reduced; thirdly, the system can be independently used as an air sterilizing system of a home or a hotel room, can be used with an air conditioning system, can be used with a central air conditioner and can be used as one module. After the system is purified and sterilized, the air in the use environment, such as hospitals, markets, stations, airports, schools, cinemas and other densely-occupied public places can be cleaned, and the treated air carries a small amount of alcohol or other sterilizing agent molecules, so that the system has the capabilities of self-cleaning, sterilization and sterilization, and can be widely applied to many places.
Drawings
FIG. 1 is an overall structural view of a micro-reaction system for removing haze and killing bacteria and virus aerosols in the air according to the present invention;
FIG. 2 is a block diagram of a multi-layer rotary disk mixer of the present invention;
FIG. 3 is a view showing a state of use of a multilayer rotary disk mixer, in which a dotted line indicates a flow direction of a mixed liquid and gray is an air distribution region;
FIG. 4 is a view showing a structure of a rotary shaft;
FIG. 5 is a view of the structure of a liquid inlet nozzle;
FIG. 6 is a structural view of a treatment apparatus for efficiently absorbing formaldehyde, in which a micro-fluid mixer is used as an air disinfectant mixer;
FIGS. 7-8 are block diagrams of microfluidic mixers;
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to be limiting in any way, and any modifications or alterations based on the teachings of the present invention are intended to fall within the scope of the present invention.
The invention relates to a micro-reaction system for removing haze and killing bacteria and virus aerosol in air, which comprises a main cavity 1, wherein two opposite walls of the main cavity are respectively provided with an air inlet 11 and an air outlet 12, the main cavity 1 is internally provided with an air extracting pump 2, an air sterilizing liquid mixer 3, a liquid storage tank 4 and a circulating pump 5, the air sterilizing liquid mixer is internally provided with an air pressure sensor 6 and a liquid level sensor 7, two inlets 31 of the air sterilizing liquid mixer 3 are respectively connected with an air outlet nozzle of the air extracting pump and a water outlet of the circulating pump in a sealing way through pipelines, the top of the liquid storage tank 4 is provided with an opening connected with the outlet of the air sterilizing liquid mixer 3, the outlet is provided with a liquid outlet valve 32, the lower part of the liquid storage tank 4 is provided with a liquid outlet 42, the upper position of the side wall is provided with an exhaust port 41, the liquid, the liquid level sensor 35 and the air pressure sensor 34 transmit the collected signals to the control system, and the control system controls the work of the liquid outlet valve 32, the circulating pump 5 and the air pump 2.
The air and disinfectant mixer is a packed tower, a microfluidic mixer 301 or a multi-layer rotating disk mixer 20.
As shown in fig. 2-5, the multilayer rotating disk mixer 20 includes a sealed housing 201, a gas inlet 202 is disposed at a position close to a bottom end of one side of an outer wall of the sealed housing 201, a gas outlet 207 is disposed above the sealed housing 201, a liquid outlet 206 is disposed below the sealed housing 201, a cylindrical rotating shaft 203 is fixedly inserted in a center of the sealed housing 201, rotating disks 204 are fixedly disposed on the rotating shaft 203 at intervals, and a distance between adjacent rotating disks 204 is 0.1-0.8 mm; the upper surface of the rotary turntable 204 is provided with a plurality of grooves or ribs, the rotary shaft 203 at the interval between adjacent rotary turntables 204 is provided with a plurality of first spray holes 203a with the aperture of 0.5-2mm, the center of the rotary shaft 203 is fixedly provided with a liquid inlet spray pipe 205, the position of the liquid inlet spray pipe 205 corresponding to each first spray hole 203a is provided with a second spray hole 205a with the aperture of 0.3-0.8mm, the second spray hole 205a is smaller than the first spray hole 203a, and the multilayer rotary disk mixer 20 is internally provided with an air pressure sensor 6 and a liquid level sensor 7.
A gas-liquid separator 40 is connected between the microfluidic mixer 30 and the liquid storage tank 4.
A dust filter screen 43 is arranged between the exhaust port 41 and the liquid outlet 43 inside the liquid storage tank 4 and close to the exhaust port 41, and is used for filtering dust droplets.
And the air inlet 11 is provided with an air filter screen 8 for preliminarily filtering large-particle substances in the air.
The model of baroceptor is MS5611-01BA03 MS5611-01BA, the model of level sensor is HONEYWELL LLC200D3SH, control system is the PLC controller, and specific model is KOYO SM-24R.
The disinfectant is one or more of 0.5-3% alcohol, sodium hypochlorite, hydrogen peroxide, iodophor solution, alkali solution, potassium permanganate, acetic acid, glutaraldehyde, ethylene oxide, peroxyacetic acid, tea water or Chinese medicinal extractive solution.
The traditional Chinese medicine is one or more traditional Chinese medicines with the functions of clearing away heat and toxic materials.
The traditional Chinese medicine extracting solution is a golden cypress extracting solution.
An ultraviolet sterilizing cavity 9 is further installed at the air outlet 12 on the inner wall of the main cavity 1, and air is sterilized through the ultraviolet sterilizing cavity and then discharged from the air outlet.
A traditional Chinese medicine sachet is hung at an air outlet on the outer wall of the main cavity 1, and the sachet contains one or more traditional Chinese medicine components of rhizoma atractylodis, agastache rugosus, fructus evodiae, folium artemisiae argyi, cinnamon, fructus amomi, radix angelicae and clove, so that the traditional Chinese medicine sachet has the function of aromatic air and can play a role in long-term sterilization.
The principle and the working mode of the micro-reaction system for removing haze and killing bacteria and virus aerosol in the air are as follows: the sterilizing liquid has strong sterilizing effect, the sterilizing liquid enters the air sterilizing liquid mixer 3 and is cut into tiny emulsion liquid drops, and the emulsified sterilizing liquid drops are fully mixed with the germ aerosol in the air and are completely contacted with and killed by germs in the aerosol; the liquid drop of killing after the emulsification is through the dust intensive contact mixture in with the haze granule, and the dust in the seizure haze granule of liquid drop ability at utmost is moistened with it, and the difference in temperature after the moistening flows into in the liquid storage pot 4 behind the liquid drop gathering, and NOx and SO2 in the haze granule can be absorbed to the liquid drop of killing in addition to reach the mesh of getting rid of dust and harmful gas in the haze. The purified air is further sterilized by the ultraviolet sterilization cavity 9 and then discharged from the air outlet, when in use, the switch of the air pump 2 is turned on, the air pump 2 pumps air from the outside of the main cavity 1, the air enters the air sterilization liquid mixer through a pipeline, the sterilization liquid is pumped out of the circulating pump 5 and then enters the air sterilization liquid mixer 3, and the air inlet rate is
1-10000m3/h, and the gas-liquid velocity ratio is controlled to be 10: 1-200: 1; when the air pressure value in the air sterilizing liquid mixer rises to a certain value, the air pump 1 is closed, the sterilizing liquid and the air are fully mixed in the air sterilizing liquid mixer 3, when the liquid level in the air sterilizing liquid mixer drops to a certain value, the liquid outlet valve 32 is opened, the mixture of the air and the sterilizing liquid enters the liquid storage tank 4, gas-liquid separation is realized through the action of a gas-liquid separator or self gravity phase splitting, the air after sterilization and haze removal is discharged from the air outlet 41 and is further sterilized through the ultraviolet sterilizing cavity 9 and then is discharged from the air outlet 12, and the air after sterilization in the ultraviolet sterilizing cavity 9 is contacted and mixed with the fragrant substances in the traditional Chinese medicine sachet, so that the air has self-cleaning and sterilizing capabilities.
As shown in fig. 6-8, the microfluidic mixer 30 operates in the following manner: air and a sterilizing liquid are introduced into the micro-fluid mixer 30 and then mixed, and are cut into tiny liquid drops through the liquid drop cutting sieve plate 301, then the tiny liquid drops enter the mixed phase distribution chamber, then the tiny liquid drops enter the porous micro-channel 302 from the mixed phase distribution chamber and finally are gathered in the mixed phase buffer chamber 303, the air and the sterilizing liquid can be fully mixed in the micro-fluid mixer 30, viruses, dust and harmful gases in aerosol are sterilized, washed or fully absorbed by the sterilizing liquid, the obtained mixed liquid flows out of the mixed liquid outlet 304 and then enters the gas-liquid separator to realize gas-liquid separation through gravity phase splitting, and then the mixed liquid enters the liquid storage tank 4, and the mixed liquid enters the next circulation for use through the circulating pump 5.
As shown in fig. 2-5, the multi-layer rotary disk mixer works in the following manner: the inlet 202 of the multilayer rotary disk mixer 20 is arranged at a low position, and air is pumped into the multilayer rotary disk mixer 20 by the air pump to automatically realize gravity phase separation; the disinfectant liquid is sprayed out of liquid drops from the second spray pipe 205a of the liquid inlet spray pipe 205, the liquid drops are thrown out of a gap between adjacent rotary turntables 204 through the first spray holes 203a to form liquid threads and a liquid film along with the rotation of the rotary shaft 203, and air forms parallel flow, cross flow or countercurrent contact with the liquid drops in the flowing process from the gas inlet 202 to the gas outlet 207, so that micron-grade high-intensity mixing of gas and liquid is realized.
When the system is used, the air inlet 11 faces the ventilation opening of the room, the switch is opened to start air bacterium and virus killing and haze removal, and the PLC controls the working procedure of the system in the whole process.
Claims (10)
1. The micro-reaction system is characterized by comprising a main cavity, wherein two opposite walls of the main cavity are respectively provided with an air inlet and an air outlet, an air suction pump, an air sterilizing liquid mixer, a liquid storage tank and a circulating pump are arranged in the main cavity, an air pressure sensor and a liquid level sensor are arranged in the air sterilizing liquid mixer, two inlets of the air pressure sensor and the liquid level sensor are respectively in sealing connection with an air outlet nozzle of the air suction pump and a water outlet of the circulating pump through pipelines, an opening connected with an outlet of the air sterilizing liquid mixer is arranged on the top of the liquid storage tank, a liquid outlet is arranged at the bottom of the liquid storage tank, an exhaust port is arranged at the upper position of the side wall of the liquid storage tank, the liquid outlet is connected with a water inlet of the circulating pump, the liquid level sensor and the air pressure sensor transmit collected signals to a control system, and the control system controls, And working of a circulating pump and an air pump.
2. A micro-reaction system for removing haze and killing bacteria and viruses aerosol in air according to claim 1 or 2, wherein the air and disinfectant mixer is a packed tower, a micro-fluid mixer or a multi-layer rotary disk mixer.
3. The micro-reaction system for removing haze and killing bacteria and virus aerosol in air as claimed in claim 2, wherein the multi-layer rotary disc mixer comprises a sealed shell, a gas inlet is arranged at one side of the outer wall of the sealed shell close to the bottom end, a gas outlet is arranged above the sealed shell, a liquid outlet is arranged below the sealed shell, a cylindrical rotating shaft is fixedly inserted in the center of the sealed shell, rotary turnplates are fixedly arranged on the rotating shaft at intervals, and the distance between every two adjacent rotary turnplates is 0.1-0.8 mm; the upper surface of the rotary turnplate is provided with a plurality of grooves or ribs, a plurality of first spray holes with the aperture of 0.5-2mm are arranged on the rotary shaft at the interval between adjacent rotary turnplates, the center of the rotary shaft is fixedly provided with a liquid inlet spray pipe, the position of the liquid inlet spray pipe corresponding to each first spray hole is provided with a second spray hole with the aperture of 0.3-0.8mm, the second spray hole is smaller than the first spray hole, and the multilayer rotary disc mixer is internally provided with an air pressure sensor and a liquid level sensor.
4. The micro-reaction system for removing haze and killing bacteria and viruses aerosol in air as claimed in claim 2, wherein a gas-liquid separator is connected between the micro-fluid mixer and the liquid storage tank.
5. The micro-reaction system for removing haze and killing bacteria and virus aerosols in air as claimed in claim 3, wherein a dust filter screen is arranged between the air outlet and the liquid outlet inside the liquid storage tank near the air outlet for filtering dust droplets.
6. The micro-reaction system for removing haze and killing bacteria and virus aerosol in air according to claim 1, wherein an air filter screen is installed at the air inlet for primarily filtering air, an ultraviolet killing cavity is further installed at the air outlet of the inner wall of the main cavity, and the air is sterilized by the ultraviolet killing cavity and then discharged from the air outlet.
7. The micro-reaction system for removing haze and killing bacteria and virus aerosols in air according to claim 1, wherein the killing liquid is one or a combination of 0.5-3% of alcohol, sodium hypochlorite, hydrogen peroxide, iodophor solution, alkali liquor, potassium permanganate, acetic acid, glutaraldehyde, ethylene oxide, peroxyacetic acid, tea water or traditional Chinese medicine extract.
8. The micro-reaction system for removing haze and killing bacteria and viruses aerosol in air as claimed in claim 5, wherein the Chinese herbal medicine is one or more Chinese herbal medicines with heat-clearing and detoxifying functions.
9. The micro-reaction system for removing haze and killing bacteria and virus aerosols in air as claimed in claim 5 or 6, wherein the Chinese medicinal extractive solution is cortex Phellodendri extractive solution.
10. The micro-reaction system for removing haze and killing bacteria and viruses aerosol in air according to claim 1, wherein a traditional Chinese medicine sachet is hung at an air outlet of the outer wall of the main cavity, and the sachet contains one or more traditional Chinese medicine components of rhizoma atractylodis, agastache rugosus, fructus evodiae, folium artemisiae argyi, cortex cinnamomi, fructus amomi, radix angelicae dahuricae and flos caryophylli.
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| CN202010293874.6A CN111514357A (en) | 2020-04-15 | 2020-04-15 | Micro-reaction system for removing haze and killing bacteria and virus aerosol in air |
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| CN202010293874.6A CN111514357A (en) | 2020-04-15 | 2020-04-15 | Micro-reaction system for removing haze and killing bacteria and virus aerosol in air |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112423418A (en) * | 2020-08-25 | 2021-02-26 | 昆明理工大学 | Device for heating fluid material by microwave and intelligent control method thereof |
| CN117398799A (en) * | 2023-12-15 | 2024-01-16 | 成都千恩包装有限公司 | Vertical compound multi-section curtain pressurizing impact dust removing system |
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| 何家禧: "《 职业危害风险评估与防控》", 31 July 2016, 北京：中国环境科学出版社 * |
| 王丽萍等: "《大气污染控制工程》", 30 September 2018, 徐州：中国矿业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423418A (en) * | 2020-08-25 | 2021-02-26 | 昆明理工大学 | Device for heating fluid material by microwave and intelligent control method thereof |
| CN117398799A (en) * | 2023-12-15 | 2024-01-16 | 成都千恩包装有限公司 | Vertical compound multi-section curtain pressurizing impact dust removing system |
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