CN111298182B - Air circulation disinfection and sterilization method - Google Patents

Air circulation disinfection and sterilization method Download PDF

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Publication number
CN111298182B
CN111298182B CN202010315266.0A CN202010315266A CN111298182B CN 111298182 B CN111298182 B CN 111298182B CN 202010315266 A CN202010315266 A CN 202010315266A CN 111298182 B CN111298182 B CN 111298182B
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Prior art keywords
disinfection
gas
unit
ultrasonic
air
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CN111298182A (en
Inventor
陈庆仁
林山
车洪斌
黄文芳
刘念龙
陈英炜
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Guangdong Renkai Technology Co ltd
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Guangdong Renkai Technology Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/16Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18Radiation
    • A61L9/20Ultra-violet radiation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultra-violet light
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/34Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention discloses an air circulation disinfection and sterilization method, air containing bacteria is subjected to gas-water separation to obtain bacteria-containing liquid and dry gas; carrying out ultrasonic disinfection treatment on the bacteria-containing liquid to obtain a disinfection liquid; and carrying out ultraviolet disinfection treatment to obtain purified air. This application carries out solitary ultrasonic sterilization through the water that separates earlier that contains a large amount of germs and mixes the drying air again and carry out ultraviolet disinfection and sterilization, and it is thorough to disinfect, and disinfection effect is good, and can circulate disinfection treatment to the room air, continuously keeps indoor aseptic nontoxic environment, but wide application in indoor environment such as cabin, public transport, market, hospital, extensive applicability.

Description

Air circulation disinfection and sterilization method
Technical Field
The invention relates to the technical field of air purification, in particular to an air circulation disinfection and sterilization method.
Background
Infectious diseases are infectious diseases that can be transmitted from one person or other species to another person or species via various routes, and droplets and aerosols are the main routes for viral transmission of infectious diseases in humans. The disinfection and sterilization of the air in the indoor space is a common means for preventing the spread of viruses and can prevent cross infection. However, the indoor sterilization method in the prior art only performs simple infrared sterilization or sprays disinfectant for sterilization, and cannot effectively sterilize the virus in the droplets and aerosol.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an air circulation sterilization system.
The invention discloses an air circulation disinfection and sterilization system, which comprises the following steps: carrying out gas-water separation on the bacteria-containing air to obtain bacteria-containing liquid and dry gas; carrying out ultrasonic disinfection treatment on the bacteria-containing liquid to obtain a disinfection liquid; and carrying out ultraviolet disinfection treatment to obtain purified air.
According to an embodiment of the present invention, the uv disinfection process further comprises the substeps of:
atomizing the disinfection liquid to obtain ultrasonic disinfection gas;
the ultrasonic sterilizing gas and/or the drying gas are/is subjected to ultraviolet sterilizing treatment.
According to an embodiment of the present invention, the ultraviolet ray sterilizing treatment of the ultrasonic sterilizing gas and the dry gas includes:
and respectively carrying out ultraviolet disinfection treatment on the ultrasonic disinfection gas and the drying gas.
According to an embodiment of the present invention, the ultraviolet ray sterilizing treatment of the ultrasonic sterilizing gas and the dry gas includes:
and carrying out ultraviolet disinfection treatment on the water-containing gas obtained by mixing the ultrasonic disinfection gas and the dry gas.
According to one embodiment of the present invention, the liquid containing bacteria is subjected to ozone sterilization treatment or/and chemical sterilization treatment for germs.
According to an embodiment of the present invention, it further comprises the steps of:
and humidifying the indoor air according to the indoor humidity environment.
According to one embodiment of the invention, before the gas-water separation of the bacteria-containing air, the method further comprises the following steps:
filtering the air containing bacteria.
According to one embodiment of the invention, water is supplemented during the ultrasonic disinfection treatment process of the bacteria-containing liquid.
According to an embodiment of the present invention, the ultrasonic frequency of the ultrasonic processing is 20 KHz-20 MHz, and the sound intensity range is 0.1W/cm-50.0W/cm.
According to an embodiment of the present invention, before the ultraviolet ray sterilization treatment, the method further includes the steps of:
adsorbing and filtering the disinfection liquid and the dry gas;
when ultraviolet disinfection treatment is carried out, the method also comprises the following steps:
adsorbing and filtering the disinfection liquid and the dry gas;
or after ultraviolet disinfection treatment, the method also comprises the following steps:
and adsorbing and filtering the disinfection liquid and the dry gas.
The invention has the beneficial effects that: indoor contains germ air, separates out germ liquid earlier and carries out solitary ultrasonic disinfection to the disinfection of germ in the better completion liquid, then carries out ultraviolet ray disinfection to the liquid after dry gas and the ultrasonic disinfection respectively, carries out thorough sterilization with two sterilization procedure, and the disinfection effect is better. In addition, the indoor air can be circularly sterilized, the indoor sterile and non-toxic environment can be continuously kept, and the indoor air sterilizing device can be widely applied to indoor environments such as cabins, public transportation, markets, hospitals and the like, and is wide in applicability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a flow chart of a method for sterilizing and disinfecting air by circulation according to an embodiment;
FIG. 2 is a system block diagram of an air circulation sterilization system according to the second embodiment;
FIG. 3 is a schematic structural view of an air circulation sterilization apparatus according to a third embodiment;
FIG. 4 is another schematic structural diagram of an air circulation sterilization apparatus according to a third embodiment.
Description of reference numerals: 1. A gas-water separation unit; 2. an ultrasonic wave sterilizing unit; 3. a humidifying unit; 4. an ultraviolet disinfection unit; 5. a water replenishing unit; 6. a humidity control unit; 7. a chamber unit; 8. a filtration and adsorption unit; 9. a filtration unit; 100. a gas-water separation device; 110. an air inlet; 120. an air outlet; 130. a liquid outlet; 200. an ultrasonic wave sterilizing device; 300. a humidifying device; 400. an ultraviolet disinfection device; 410. a first chamber; 420. a second chamber; 430. a third chamber; 440. an ultraviolet LED lamp; 500. a water replenishing device; 600. a humidity controller; 700. a filtration device; 800. a filtration and adsorption device; 900. a box body; 910. an air inlet; 920. an air outlet; 930. a bearing seat; 940. a mobile device.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
It should be noted that all the directional indications such as up, down, left, right, front and rear … … in the embodiment of the present invention are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
example one
Referring to fig. 1, fig. 1 is a flowchart illustrating an air circulation sterilization method according to an embodiment of the present invention, which includes the following steps:
carrying out gas-water separation on the bacteria-containing air to obtain bacteria-containing liquid and dry gas;
carrying out ultrasonic disinfection treatment on the bacteria-containing liquid to obtain a disinfection liquid;
and carrying out ultraviolet disinfection treatment to obtain purified air.
So, carry out solitary ultrasonic disinfection through separating out earlier and containing fungus liquid to the disinfection of germ in the better completion liquid, then carry out ultraviolet disinfection to the liquid after dry gas and the ultrasonic disinfection respectively again, thoroughly disinfect with twice sterilization procedure, the disinfection effect is better.
Referring to fig. 1, further, the air circulation sterilization method in this embodiment, which performs the ultraviolet sterilization process, further includes the following sub-steps:
the sterilization liquid is atomized to obtain the ultrasonic sterilization gas, and it can be understood that the humidity suitable for human breathing needs to be kept indoors, and the indoor air after the double sterilization treatment becomes dry and is not suitable for human breathing life. The sterilizing liquid is atomized to generate ultrasonic sterilizing gas with humidity, and then the dry gas and the ultrasonic sterilizing gas are subjected to ultraviolet sterilization to obtain clean and moist air suitable for human breathing. Furthermore, ultrasonic wave disinfection gas or/and dry gas carry out ultraviolet ray disinfection and handle, when specific application, through setting up two independent passageways, one of them passageway is the dry gas passageway, and another passageway is the ultrasonic wave disinfection gas passageway, and two passageways carry out ultraviolet ray disinfection respectively and handle, and the preferred sets up mixing chamber behind two passageways, can further carry out ultraviolet disinfection in mixing chamber to the intensive mixing ultraviolet disinfection gas produces humid air.
Further, the indoor air is humidified. For example, humidification treatment is performed after ultrasonic sterilization treatment; or carrying out humidification treatment during ultrasonic disinfection treatment, simplifying the procedure. Preferably, both the humidification treatment according to the indoor humidity environment and the humidification treatment in the ultrasonic wave sterilization treatment are performed after the ultrasonic wave sterilization treatment and during the ultrasonic wave sterilization treatment. When the humidity sensor is used in a specific application, a humidity detector can be arranged indoors to obtain an indoor humidity environment, and the indoor humidity environment monitored in real time serves as the basis of humidification processing to ensure indoor humidity requirements.
It should be noted that, in order to ensure the effect of the ultrasonic waves on breaking viruses and bacteria, it is necessary to ensure that the liquid level is controlled during the ultrasonic sterilization, and in practical applications, the ultrasonic sterilization consumes water. Therefore, water needs to be supplemented to the germ liquid during the ultrasonic disinfection treatment process to ensure the ultrasonic disinfection effect.
In order to improve the disinfection and sterilization effect of the bacteria-containing liquid, the bacteria-containing liquid is subjected to ozone sterilization treatment, specifically, the bacteria-containing liquid is subjected to germ killing and virus treatment by arranging an ozone generator and injecting ozone into the bacteria-containing liquid; the method is characterized in that bacteria are subjected to chemical sterilization treatment, specifically, hypochlorite is added into bacteria-containing liquid, so that bacteria in water can be killed, and when the concentration of the hypochlorite is 0.01% -10%, the sterilization effect is better. Preferably, the liquid containing bacteria is subjected to ozone sterilization treatment and chemical sterilization treatment simultaneously, so that the sterilization efficiency is improved. In addition, in the ultrasonic wave disinfection processing, the ultrasonic wave frequency is 20 KHz-20 MHz, the sound intensity range is 0.1W/cm-50.0W/cm, the ultrasonic wave processing effect is better, and the disinfection efficiency is high.
Further, referring to fig. 1, in the air circulation sterilization method of the present embodiment, before the air-water separation of the pathogenic air, the method further includes the following steps: filtering the air containing the germs. Residual suspended particles in the air containing the germs are filtered out in a filtering mode. In specific application, porous materials such as non-woven fabrics, melt-blown fabrics and the like can be adopted for filtering.
Still further, the air circulation sterilization method in this embodiment further includes the following steps before, during or after the ultraviolet sterilization treatment of the sterilization liquid and the dry gas:
and adsorbing and filtering the disinfection liquid and the dry gas. The adsorption filtration can adsorb and capture germs, viruses and other harmful substances in the ultraviolet disinfection gas to improve the ultraviolet disinfection effect, and in addition, the ultraviolet disinfection speed of the ultraviolet disinfection gas to enter can be slowed down, the irradiation time of the ultraviolet disinfection gas to be treated on ultraviolet rays is prolonged, and the ultraviolet disinfection and sterilization effect is further improved. In specific application, the ultraviolet disinfection gas can be filtered by arranging the filter layer.
Example two
In the present embodiment, an air circulation sterilization system is provided to more clearly understand and implement the air circulation sterilization method in the first embodiment.
Referring to fig. 2, fig. 2 is a system block diagram of an air circulation disinfection and sterilization system according to a second embodiment, the air circulation disinfection and sterilization system according to the present embodiment includes an air-water separation unit 1, an ultrasonic disinfection unit 2, a humidification unit 3, and an ultraviolet disinfection unit 4, one end of the air-water separation unit 1 is communicated with the ultrasonic disinfection unit 2, the other end thereof is communicated with the ultraviolet disinfection unit 4, the ultrasonic disinfection unit 2 is communicated with the humidification unit 3, and the humidification unit 3 is communicated with the ultraviolet disinfection unit 4.
This embodiment is through setting up gas-water separation unit 1, ultrasonic disinfection unit 2, humidification unit 3 and ultraviolet disinfection unit 4, and gas-water separation unit 1 is used for the dry air that gets into gas-water separation unit 1 to make the air of air inlet carry out gas-liquid separation, ultrasonic disinfection unit 2 is used for the disinfection of liquid after the separation to, and humidification unit 3 carries out atomization treatment to ultrasonic disinfection liquid, and accesss to ultraviolet disinfection unit 4 and carry out ultraviolet disinfection. In the specific application, air containing pathogenic bacteria enters the gas-water separation unit 1 to be separated into liquid containing pathogenic bacteria and dry gas, the dry gas enters the ultraviolet disinfection unit 4, the liquid containing pathogenic bacteria enters the ultrasonic disinfection unit 2 to be disinfected, then flows into the humidification unit 3 to be atomized into gas, and the gas is led into the ultraviolet disinfection unit 4 to be mixed with the dry gas, and finally is discharged after being disinfected by the ultraviolet disinfection unit 4.
The system can effectively purify germs under the combination of ultrasonic disinfection and ultraviolet disinfection, has thorough sterilization and good disinfection effect, can ensure good sterilization and disinfection effects of indoor air, reduces the risks of various diseases caused by indoor air pollutants, and realizes the circulating sterilization and disinfection functions of the living air. Each unit of the system can be directly installed and used indoors, can also be used as integrated equipment or integrated movable equipment, can be installed indoors or outdoors, has simple structure and convenient installation, can be widely applied to indoor air purification of cabins, public transport, markets, hospitals and the like, and has good social and economic effects.
Further, referring to fig. 2 again, the air circulation sterilization system further includes a water replenishing unit 5 and a humidity control unit 6, the water replenishing unit 5 is respectively communicated with the ultrasonic wave sterilization unit 2 and the humidification unit 3, and the humidity control unit 6 is connected with the humidification unit 3. It can be understood that comfortable indoor environment needs certain humidity, can make the indoor environment variation after ultrasonic and ultraviolet sterilization disinfection, this system passes through humidification unit 3, moisturizing unit 5 and the cooperation of humidity the control unit 6, and humidity the control unit 6 detects the indoor environment to atomize and to the air humidification according to detecting humidity data control humidification unit 3, and moisturizing unit 5 is used for the liquid level control of ultrasonic sterilization unit 2. Specifically, can set up infrared detection module through certain liquid level height in ultrasonic wave disinfection unit 2, when ultrasonic wave disinfection unit 2 was handled by the atomization of humidification unit 3, its liquid level height descends, and infrared detection module feedback signal gives moisturizing unit 5 to by moisturizing unit 5 to carry out the moisturizing to ultrasonic wave disinfection unit 2, so ensured the cell disruption effect who contains germ liquid.
In addition, referring to fig. 2, in the present embodiment, the humidifying unit 3 is communicated with the ultrasonic sterilizing unit 2, the water replenishing unit 5 is communicated with the humidifying unit 3 and the ultrasonic sterilizing unit 2, respectively, and the humidity control unit 6 is connected with the humidifying unit 3. This system passes through humidification unit 3, moisturizing unit 5 and the cooperation of humidity the control unit 6, is monitored indoor humidity environment by humidity the control unit 6 to carry out moisturizing operation to ultrasonic disinfection unit 2 from moisturizing unit 5 according to detecting humidity data control humidification unit 3, make the air after the disinfection of disinfecting of final emission accord with human indoor humidity environment.
Further, referring back to fig. 2, the air circulation sterilization system further includes a chamber unit 7, the gas-water separation unit 1 and the humidification unit 3 are both communicated with the ultraviolet sterilization unit 4 through the chamber unit 7, and it can be understood that the ultraviolet sterilization unit 4 is disposed in the chamber unit 7. In practical application, the dry gas and the sterilized liquid are mixed in the chamber unit 7 and then flow into the ultraviolet disinfection unit 4, and the gas in the chamber unit 7 is disinfected by the ultraviolet disinfection unit 4 and then discharged to a living space. Furthermore, the ultraviolet disinfection unit 4 is respectively communicated with the gas-water separation unit 1, the ultrasonic disinfection unit 2 and the chamber unit 7, in practical application, the chamber unit 7 is positioned at an equipment terminal and is communicated with an air outlet, after the chamber unit 7 is provided with the ultraviolet disinfection unit 3, the use space of the equipment terminal can be fully utilized, and the area of the chamber unit 7 is large enough to ensure the gas mixing effect.
Further, referring back to fig. 2, the air circulation sterilization system further includes a filtering and adsorbing unit 8, the filtering and adsorbing unit 8 is disposed in the ultraviolet sterilization unit 4, and the filtering and adsorbing unit 8 has a porous adsorbing material. The filtering and adsorbing unit 8 is used for blocking suspended particles in normal-temperature common air and reducing the procedures of ultrasonic and ultraviolet disinfection of the suspended particles, so that the sterilization and disinfection efficiency of the system can be effectively improved.
Further, referring back to fig. 2, the air circulation disinfection and sterilization system further comprises a filtering unit 9, the filtering unit 9 is communicated with the air-water separation unit 1, the filtering unit 9 is used for filtering the tiny particles of the outside air, in practical application, the filtering unit is provided with a filtering material, the filtering material is provided with a porous structure, the tiny particles in the air can be effectively prevented from entering the air-water separation unit 1, and therefore the air circulation disinfection and sterilization efficiency is improved.
EXAMPLE III
The embodiment provides air circulation disinfection and sterilization equipment, and provides equipment for realizing the air circulation disinfection and sterilization method in the embodiment.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an air circulation disinfection and sterilization apparatus in a third embodiment, the air circulation disinfection and sterilization apparatus in this embodiment includes a box 900, and a gas-water separation device 100, an ultrasonic disinfection device 200, a humidification device 300, and an ultraviolet disinfection device 400 which are disposed in the box 900. The box 900 is provided with an air inlet 910 and an air outlet 920, the air inlet 910 is opposite to the air outlet 920, the gas-water separation device 100 is provided with an air inlet 110, an air outlet 120 and a liquid outlet 130, the air inlet 110 is communicated with the air inlet 910, the air outlet 120 is communicated with the ultraviolet disinfection device 400, the liquid outlet 130 is communicated with the ultrasonic disinfection device 200, the humidifying device 300 is communicated with the ultrasonic disinfection device 200, the ultraviolet disinfection device 400 is communicated with the humidifying device 300, and the ultraviolet disinfection device 400 is communicated with the air outlet 920.
Referring to fig. 3 again, the external air enters from the air inlet 910, and then the air-water separation device 100 separates out the dry air and the water containing germs, wherein the water containing germs enters the ultrasonic disinfection device 200 for ultrasonic disinfection, then enters the humidification device for atomization treatment, finally the ultrasonic disinfection air is subjected to ultraviolet disinfection in the ultraviolet disinfection device 400, the dry air directly enters the ultraviolet disinfection device 400 for ultraviolet disinfection, and the disinfected dry air is mixed with the water and then discharged from the air outlet 920. Ultrasonic wave degassing unit 200 can carry out high-efficient disinfection to the water of liquid form, so, the water among the first separation air carries out high-efficient disinfection, then returns to and combines with drying gas to carry out comprehensive ultraviolet disinfection again, can reach the sterile effect of thoroughly disinfecting.
In this embodiment, the air inlet 910 is opened at the lower portion of the box 900 and is located at the left side of the box 900. The gas-water separation device 100 is located at the lower portion of the case 900, which is located at one side of the air inlet 910. The ultrasonic sterilizer 200 is located at the lower portion of the cabinet 900 and is located at a side of the gas-water separator 100 away from the air inlet 910. The humidifying device 300 is located at the lower part of the box 900, the humidifying device 300 is located at the side of the ultrasonic wave sterilizing device 200 far away from the gas-water separating device 100, and preferably, the humidifying device 300, the ultrasonic wave sterilizing device 200, the gas-water separating device 100 and the air inlet 910 are arranged in a collinear way. The ultraviolet sterilizer 400 is located above the humidifier 300 and the gas-water separator 100, and the air outlet 920 is opened at the upper portion of the case 900 and located at the right side of the case 900. The air inlet 910 and the air outlet 920 are respectively located at the left and right sides of the box 900 to form a back-to-back arrangement relationship, so that sterilized air exhausted from the air outlet 920 can be prevented from being directly absorbed by the air inlet 910, and the indoor sterilization efficiency is improved.
In a specific application, the gas-water separation device 100 is a dehumidifier, so that the water can be removed by condensation or semiconductor cold cutting. The ultrasonic disinfection device 200 can adopt a contact type ultrasonic cell crusher or ultrasonic extraction equipment, an ultrasonic tool head is directly placed in the bacteria-containing liquid, the bacteria cells are crushed or the virus function is destroyed by utilizing the ultrasonic high-frequency oscillation cavitation and the thermal effect, the cell crushing effect is good, the ultrasonic disinfection liquid generates aerial fog through the humidifying device 300, and the aerial fog is diffused to an air passage in the box body 900 and then is led to the ultraviolet disinfection device 400. In this embodiment, ultrasonic tool head can be located perpendicularly and contain on the fungus liquid level, also can connect ultrasonic tool head in the side that contains the fungus liquid level, through the equipment fixing demand of difference, the position of nimble adjustment ultrasonic tool head. It should be noted that, different frequency bands are different to the effect of killing bacteria and viruses, and the ultrasonic disinfection apparatus 200 of this embodiment uses multi-frequency cooperative work, and obtains a better effect of killing bacteria and viruses, and the frequency range adopted by the ultrasonic disinfection apparatus 200 is 20KHz to 10MHz, the power range is 0 to 2000W, the amplitude range: 0.1um to 100um, and the sound intensity range is 0.1W/cm2 to 50.0W/cm 2.
Further, referring to fig. 3, the air circulation sterilization apparatus in this embodiment further includes a water replenishing device 500 and a humidity controller 600. The water replenishing device 500 is disposed in the case 900 and is respectively communicated with the humidifying device 300 and the ultrasonic sterilizing device 200. Specifically, the water replenishing device 500 is located on a side of the humidifying device 300 away from the ultraviolet disinfection device 400. The humidity controller 600 is disposed on an outer wall of the box 900 and electrically connected to the humidifying device 300. It can be understood that comfortable indoor environment needs certain humidity, can make the indoor environment variation after the disinfection of ultrasonic wave and ultraviolet sterilization, this equipment passes through humidification device 300, moisturizing device 500 and humidity controller 600 cooperation, monitor indoor humidity environment by humidity controller 600, and carry out moisturizing operation to ultrasonic wave degassing unit 200 from moisturizing device 500 according to detecting humidity data control humidification device 300, make the air after the disinfection of disinfecting of final emission accord with human indoor humidity environment.
Preferably, referring back to fig. 3, the humidity controller 600 has a control panel and a humidity sensor, both of which are disposed on the outer wall of the box 900, wherein the humidity sensor is electrically connected to the control panel, and the control panel is electrically connected to the humidifying device 300. The humidity sensor can sense indoor humidity and transmit the indoor humidity to the control panel, the control panel controls the humidifying device 300 according to the indoor humidity, and the humidifying device 300 extracts water in the water replenishing device 500 to replenish water for the ultrasonic wave sterilizing device 200. Of course, the humidification can also be performed manually through the control panel, and the details are not repeated here.
It should be noted that the atomizing tool head in the humidifying device 300 can perform high-frequency motion to atomize the water after the ultrasonic sterilization so as to humidify the air, and the humidity controller 600 is combined to control the amount of the ultrasonic atomized water. In addition, the water replenishing device 500 controls the liquid level of the ultrasonic wave sterilizing device 200, and timely replenishes the water level required by ultrasonic wave sterilization, thereby ensuring the crushing effect of the ultrasonic wave on viruses and bacteria. The water replenishing device 500 is a water replenishing tank, a filter membrane is arranged at the joint of the water replenishing device 500 and the ultrasonic disinfection device 200, and water in the water replenishing device 500 is separated through the filter membrane, so that the water replenished into the ultrasonic disinfection device 3 is purified. In practical application, the indoor air is subjected to gas-liquid separation to obtain water and dry air, the water is sterilized by ultrasonic wave and then can form evaporated water by the humidifying device 300, and finally the evaporated water and the dry air are discharged after being sterilized by ultraviolet rays.
To further illustrate the specific structure of the ultraviolet disinfection device, referring to fig. 3, the ultraviolet disinfection device 400 includes a first chamber 410, a second chamber 420 and a third chamber 430, the first chamber 410 and the second chamber 420 are disposed side by side, and the third chamber 430 is located above the first chamber 410 and the second chamber 420. The first chamber 410 is communicated with the air outlet 120, the first chamber 410 is a dry air channel, and the ultraviolet disinfection treatment is independently carried out on the dry air conveyed by the air outlet 120; the second chamber 420 is communicated with the humidifying device 300, the second chamber 420 is an ultrasonic sterilizing gas channel, and ultraviolet sterilizing treatment is independently carried out on the ultrasonic sterilizing gas; the third chamber 430 is respectively communicated with the first chamber 410, the second chamber 420 and the air outlet 920, and the third chamber 430 is an ultraviolet disinfection gas channel of the first chamber 410 and the second chamber 420, and is used for mixing the dry air and the ultrasonic gas and enabling the mixed gas to have certain humidity.
Referring to fig. 3, the ultraviolet disinfection apparatus 400 has an ultraviolet LED lamp 440, and the light source of the ultraviolet LED lamp 440 is an internal illumination type and is respectively disposed in the first chamber 410, the second chamber 420 and the third chamber 430. In the first chamber 410 or the second chamber 420, the number of the ultraviolet LED lamps 440 is two, and the two groups of the ultraviolet LED lamps are respectively located at opposite side ends in the chamber, during the ultraviolet disinfection process, the ultraviolet light sources at two sides perform ultraviolet disinfection on the gas in the first chamber 410 or the second chamber 420, and the ultraviolet disinfected gas rises to the third chamber 430; in the third chamber 430, the uv LED lamp 440 is located at the top of the third chamber 430, and during the uv disinfection process, the uv light source at the top performs uv disinfection on the gas in the third chamber 430 and leads to the air outlet 920.
Further, referring to fig. 3, the air circulation sterilization apparatus in this embodiment further includes a filtering and adsorbing device 800. The filtering and adsorbing device 800 is an adsorbing and filtering material, and the filtering and adsorbing device 800 is used for adsorbing and capturing germs, viruses and other harmful substances in the gas to be disinfected by ultraviolet, so that the harmful substances in the air are blocked on the filtering and adsorbing device 800, and then the ultraviolet disinfecting device 400 can fully 'kill' the blocked harmful substances.
Specifically, the filtering and adsorbing device 800 is respectively disposed in the first chamber 410, the second chamber 420 and the third chamber 430. In the first chamber 410 or the second chamber 420, the filtering and adsorbing device 800 is arranged between the two groups of ultraviolet LED lamps 440, the height of the filtering and adsorbing device 800 is the same as the irradiation surface of the ultraviolet LED lamps 440, in practical application, the filtering and adsorbing device 800 blocks the gas in the first chamber 410 or the second chamber 420, so that the gas is dispersed to the near end of the ultraviolet LED lamps 440, the irradiation intensity of the gas in the first chamber 410 or the second chamber 420 is enhanced, and the sterilization effect on germs and microorganisms in the gas is enhanced; in the third chamber 430, the filtering and adsorbing device 80 is arranged below the ultraviolet LED lamp 440, and the top surface of the filtering and adsorbing device 800 is the same as the irradiation area of the ultraviolet LED lamp 440.
In order to avoid harmful substances from being discharged out of the air outlet 920 through the ultraviolet disinfection device 400 quickly, referring to fig. 2 again, the first chamber 410, the second chamber 420 and the third chamber 430 can be fully covered by a sufficient number of adsorption filter materials in a stacking manner, so that the speed of ultraviolet disinfection gas entering ultraviolet disinfection is reduced, the ultraviolet disinfection time is increased in a direction changing manner, and the ultraviolet disinfection and sterilization effect is further improved. Specifically, the filtering and adsorbing material in the embodiment can be made of non-woven fabrics, such as common non-woven fabrics, nano silver non-woven fabrics and nano copper non-woven fabrics, and can also be made of melt-blown fabrics.
In practical application, the ultraviolet wavelength of the ultraviolet LED lamp 440 is 100-400 nm, the ultraviolet disinfection and sterilization effect with the wavelength band of 100-280 nm is the best, and in addition, the ultraviolet LED lamp 440 can also adopt 200-280 nm ultraviolet sterilization lamps or 100-200 nm ozone ultraviolet sterilization lamps.
Further, referring back to fig. 3, the air circulation sterilization apparatus further includes a filter device 700. The filter device 700 is disposed in the box 900, one end of the filter device 700 is communicated with the gas-water separation device 100, and the other end of the filter device 700 is communicated with the air inlet 910 of the box 900. Specifically, the filtering device 700 is located on the left side of the gas-water separation device 100, and two sides of the filtering device 700 are respectively connected with the air inlet 910 and the air inlet 110, the filtering device 700 is a filter box in specific application, the filtering device 700 has a porous adsorption material, a plurality of layers of adsorption materials are installed inside the filtering device 700, and the adsorption materials can be non-woven fabrics, such as common non-woven fabrics, nano-silver non-woven fabrics, nano-copper non-woven fabrics, and melt-blown fabrics. In the specific application, the non-woven fabric filter material is sewn into a bag and clamped inside the filter box. Preferably, the non-woven filter material is sprayed with the bactericidal enzyme, and the filter device 700 needs to be replaced periodically.
Preferably, referring to fig. 3 again, the air inlet 910 of the box 900 is provided with a blower, the blower blows normal air into the box 900 and enters the filter device 700 through an air pipe, and the filter device 700 blocks suspended particles in the normal air in the box 900, so that the sterilization and disinfection efficiency of the device can be effectively improved.
In order to facilitate the use, further, referring to fig. 4, fig. 4 is another schematic structural diagram of an air circulation sterilization apparatus according to the third embodiment, the air circulation sterilization apparatus further includes a moving device 940, the box 900 is provided with a carrying seat 930, the carrying seat 930 is installed at the bottom of the box 900, and the moving device 940 is installed at the edge of the carrying seat 930, so that the box 900 is stable and does not shake during the movement. In this embodiment, the ultrasonic disinfection device 200, the humidifying device 300, and the ultraviolet disinfection device 400 are sequentially arranged from bottom to top, the bottom of the box 900 has a plurality of air inlets 910, the top of the box 900 has a plurality of air outlets 920, the plurality of air inlets 110 are communicated with the plurality of air inlets 910, and the ultraviolet disinfection device 400 is respectively communicated with the plurality of air outlets 920.
When the system is used specifically, the moving device 940 is 4 mute universal pulleys which are respectively arranged around the bottom of the box 900, and the brake pads of the mute universal pulleys can be locked and fixed when the system is fixed. Specifically, the number of the air inlets 910 and the air outlets 920 is two, the gas-water separation device 100 is installed at the bottom of the box 900, the two air inlets 910 are respectively located at two sides of the filter device 700, and the air outlets 920 are located at the top of the box 900. It can be understood that indoor air enters from the two air inlets 910 at the bottom layer of the device, is disinfected by ultrasonic waves and ultraviolet rays, rises to the top layer of the system along the air flow channel, and is discharged from the two air outlets 920, so that circulating purified air flow is formed around the device by taking the movable device as the center, and indoor disinfection is efficiently carried out; and set up mobile device 940, the equipment need not the installation and uses portably, and the practicality is strong, can conveniently be applied to different indoor scenes.
The overall sterilization process of this example is as follows: indoor water containing germs enters the box body 900 through the air inlet 910, is primarily filtered through the filtering device 700, then is subjected to gas-water separation through the gas-water separation device 100, the separated dry gas enters the first cavity 710, the separated water enters the ultrasonic disinfection device 200 for ultrasonic disinfection and then enters the second cavity 720, and then the dry gas and the water enter the ultraviolet disinfection device 300 for disinfection after being subjected to germ adsorption through the adsorption device 800 and then are discharged through the air outlet 920.
In conclusion, the invention obtains water and dry air after the domestic air is subjected to gas-water separation, the water in the part can form evaporated water after being sterilized by ultrasonic wave, the evaporated water and the dry air are finally discharged after being sterilized by ultraviolet, and the discharged air is released into the space to capture viruses and germs again, thereby achieving the purpose of air circulation sterilization. The sterilizing and disinfecting effects of indoor air can be well guaranteed, the quality of the indoor air is greatly improved, and the risk of various diseases of people caused by indoor air pollutants is reduced; each unit in the air circulation disinfection and sterilization system can be directly installed and used indoors, can also be used as integrated equipment or integrated movable equipment, can be flexibly installed indoors or outdoors, has simple structure and convenient installation, can be widely applied to indoor air purification of cabins, public transport, markets, hospitals and the like, and has good social and economic effects.
The above is merely an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (7)

1. The air circulation disinfection and sterilization method is characterized by comprising an air circulation disinfection and sterilization system, wherein the air circulation disinfection and sterilization system comprises a filtering unit, an air-water separation unit, an ultrasonic disinfection unit, a humidifying unit, an ultraviolet disinfection unit and a filtering adsorption unit; one end of the gas-water separation unit is communicated with the ultrasonic disinfection unit, the other end of the gas-water separation unit is communicated with the ultraviolet disinfection unit, the ultrasonic disinfection unit is communicated with the humidification unit, and the humidification unit is communicated with the ultraviolet disinfection unit; the filtering unit is communicated with the gas-water separation unit; the filtering and adsorbing unit is arranged in the ultraviolet disinfection unit; it also includes the following steps:
the filtering unit filters air containing bacteria; the bacteria-containing air comprises droplets and aerosol;
the gas-water separation unit performs gas-water separation on the bacteria-containing air to obtain bacteria-containing liquid and dry gas;
the ultrasonic disinfection unit carries out ultrasonic disinfection treatment on the bacteria-containing liquid to obtain disinfection liquid;
the humidifying unit atomizes the disinfection liquid to obtain ultrasonic disinfection gas;
the ultraviolet disinfection unit carries out ultraviolet disinfection treatment on the ultrasonic disinfection gas or/and the drying gas; when the ultraviolet disinfection treatment is carried out, the filtering and adsorbing unit is used for adsorbing and filtering the disinfection liquid and the dry gas, slowing down the speed of the ultrasonic disinfection gas or/and the dry gas entering the ultraviolet disinfection, and prolonging the ultraviolet disinfection time of the ultrasonic disinfection gas or/and the dry gas;
purified air is obtained.
2. The air circulation sterilization method according to claim 1, wherein the ultraviolet sterilization treatment of the ultrasonic sterilization gas and the dry gas comprises:
and respectively carrying out ultraviolet disinfection treatment on the ultrasonic disinfection gas and the drying gas.
3. The air circulation sterilization method according to claim 1, wherein the ultraviolet sterilization treatment of the ultrasonic sterilization gas and the dry gas comprises:
and carrying out ultraviolet disinfection treatment on the water-containing gas obtained by mixing the ultrasonic disinfection gas and the drying gas.
4. The air circulation sterilization method according to claim 1, further comprising the steps of:
and humidifying the indoor air according to the indoor humidity environment.
5. The air circulation sterilization method according to claim 1, wherein the bacteria-containing liquid is subjected to a ultrasonic sterilization treatment to replenish water.
6. The air circulation disinfection and sterilization method according to claim 1, wherein the ultrasonic frequency of said ultrasonic treatment is 20 KHz-20 MHz, and the sound intensity range is 0.1W/cm-50.0W/cm.
7. An air circulation sterilization method according to any one of claims 1 to 6, further comprising the steps of, before the ultraviolet sterilization treatment:
subjecting the sterilizing liquid and the dry gas to adsorption filtration;
or after ultraviolet disinfection treatment, the method also comprises the following steps:
and carrying out adsorption filtration on the disinfection liquid and the drying gas.
CN202010315266.0A 2020-04-21 2020-04-21 Air circulation disinfection and sterilization method Active CN111298182B (en)

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