CN212431146U - Ultrasonic sterilization device applied to central air-conditioning ventilation system - Google Patents
Ultrasonic sterilization device applied to central air-conditioning ventilation system Download PDFInfo
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- CN212431146U CN212431146U CN202020181746.8U CN202020181746U CN212431146U CN 212431146 U CN212431146 U CN 212431146U CN 202020181746 U CN202020181746 U CN 202020181746U CN 212431146 U CN212431146 U CN 212431146U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a be applied to central air conditioning ventilation system's ultrasonic sterilization device, the device is including atomizing unit, regulating unit, forced draught blower, air-out pipeline, return air pipeline and new wind pipeline, the output of ultrasonic nebulizer and regulating unit's output respectively through the pipeline parallelly connected to same pipeline in and with the entry linkage of forced draught blower, the exit linkage air-out pipeline of forced draught blower, return air pipeline and new wind pipeline connect regulating unit's input respectively. The device provided by the utility model has the characteristics of little, the air current misce bene of antiseptic solution atomizing particle diameter, disinfection effect are good, equipment structure is compact, convenient operation etc.
Description
Technical Field
The utility model relates to an air disinfection processing apparatus, in particular to equipment for carrying out air disinfection on a central air-conditioning ventilation system.
Background
At present, central air conditioners are widely used in large markets, large hotels, office buildings and large hospital office environments, and because the pipeline structure of the central air conditioner is complex and the space is narrow, people are difficult to directly enter the central air conditioner for cleaning, even if a fresh air system is started, virus killing is difficult to ensure, and a device special for disinfecting a ventilating pipeline is needed; generally, the number of people in the central air-conditioning use place is large, and especially the identity of people is not clear in public places where the central air-conditioning is open to the outside. Bacteria and viruses in the air easily cause cross infection of the bacteria through a ventilation system of the central air conditioner, so that indoor environmental pollution is caused, various diseases are brought to more people, centralized and unified disinfection is needed for preventing and controlling the spread of the bacteria and the viruses in local space, and centralized and unified disinfection equipment for a fresh air system of the central air conditioner is urgently needed.
The spread of the virus can seriously threaten people's daily life and office. Many viruses have the characteristic of air transmission, and the potential safety hazard of virus air transmission exists in buildings containing central air conditioners, so that how to realize daily or regular disinfection of ventilation pipeline systems of the central air conditioners and the interiors of workplaces is very important, and the disinfection system is also beneficial to human health. Chlorine dioxide is a high-efficiency, safe and green sterilizing disinfectant approved by the world health organization, has no side effect on human bodies, has obvious effects of sterilizing, removing viruses and removing peculiar smell when being used for sterilizing pipelines of central air conditioners and fresh air, and is safe and reliable.
Chinese patent with patent number 201010508408.1 proposes a central air conditioning degassing unit that can realize chlorine dioxide quantity dynamic control, the device further controls the handling capacity of chlorine dioxide to the PLC system through the concentration feedback of monitoring space chlorine dioxide, though building space has certain advantage in the accurate control of chlorine dioxide concentration, the device does not embody specific mounted position, chlorine dioxide atomized liquid can not be fine with the embodiment of central air conditioning's ventilation system associativity, consequently, the control of chlorine dioxide's space concentration has certain limitation, whole space disinfection effect deviates from the design value.
Chinese patent application No. 201510338444.0 proposes a hydrogen peroxide sterilization device and method, the device is a modularized product integrating disinfectant, ultrasonic atomizer, metering pump, blower, electric control unit, etc. the device has high integration degree and convenient use, but the device has large operation energy consumption because of containing power equipment such as pump and blower. When the device is used together with a central air-conditioning ventilation system, the disinfectant generating device cannot be effectively coupled with the ventilation parameters of the air conditioner and disinfectant is mixed with air flow of a ventilation pipeline, so that the uniformity of the concentration of the disinfectant in air cannot be ensured, and finally, the disinfection effect is poor.
At present, the problem that the building space ventilation system can be effectively disinfected and the infection of people caused by virus carried by air media conveyed by the ventilation system is prevented is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve central air conditioning and be used for the disinfection problem in large-scale building space, provide a antiseptic solution atomizing particle diameter little, air current misce bene, be applicable to the combination formula sterilizing equipment of different environment operating modes, have characteristics such as disinfection effect is good, equipment structure is compact, convenient operation.
The technical scheme of the utility model as follows:
an ultrasonic sterilization device applied to a central air-conditioning ventilation system comprises an atomization unit, a regulation unit, a blower, an air outlet pipeline, an air return pipeline and a fresh air pipeline, wherein the atomization unit comprises an ultrasonic atomizer connected with a disinfectant liquid storage tank; the adjusting unit comprises a filter, a cooler and a heater, the filter is connected with the cooler, and the cooler is connected with the heater; the output end of the ultrasonic atomizer and the output end of the heater are connected in parallel to the same conveying pipeline through pipelines respectively and are connected with the inlet of the air feeder, the outlet of the air feeder is connected with an air outlet pipeline, and the return air pipeline and the fresh air pipeline are connected with the input end of the filter respectively.
Further, be applied to central air conditioning ventilation system's ultrasonic sterilization device, still include air flow distributor, the entry end of air flow distributor is connected respectively with the output of heater to the ultrasonic nebulizer output, and the forced draught blower is connected to air flow distributor's exit end.
Furthermore, the ultrasonic sterilization device, the disinfectant liquid storage tank and the ultrasonic atomizer which are applied to the central air-conditioning ventilation system are connected with the control cabinet.
Furthermore, the ultrasonic sterilization device applied to the central air-conditioning ventilation system is characterized in that an ultraviolet sterilization lamp is arranged between the air blower and the air outlet pipeline or on the air outlet pipeline.
Furthermore, the ultrasonic sterilization device applied to the central air-conditioning ventilation system is characterized in that a high-voltage electrostatic adsorber is mounted at the front end of the filter.
The utility model provides a be applied to central air conditioning ventilation system's ultrasonic sterilization device, antiseptic solution liquid storage pot links to each other with ultrasonic nebulizer, and the switch board passes through the control cable and links to each other with antiseptic solution liquid storage pot and ultrasonic nebulizer. The outlet of the ultrasonic atomizer is connected with a fresh air pipeline at the front end of a blower of the central air conditioning unit, and the airflow distributor is arranged at the interface of the ultrasonic atomizer and the blower section; the ultraviolet sterilizing lamp can be arranged on the air outlet pipeline; the high-voltage electrostatic adsorber is arranged at the front end of the filter, and air from the fresh air pipeline and the return air pipeline passes through the high-voltage electrostatic adsorber and then enters the filter for further treatment. The high-voltage electrostatic adsorber can generate 4kV-8kV direct-current high-voltage, and the equipment can be used together with a chlorine dioxide disinfection method and an ultraviolet sterilizing lamp disinfection method in a time period with serious virus. The ultraviolet sterilizing lamp can be installed in the air outlet pipeline to enhance the disinfection of the fresh air system. The ultraviolet lamp can be suspended, and the ultraviolet lamp (30W ultraviolet lamp, intensity of 1.0 m) is used during installation>70μW/cm2) Should be more than or equal to 1.5W/m3The irradiation time is more than or equal to 30 min.
The concentration of the disinfection solution such as chlorine dioxide prepared by the disinfection solution storage tank of the utility model can be 100-plus-500 mg/L, and the concentration disinfection solution can be used for air disinfection under the condition that people exist in the space covered by the central air conditioner. The disinfectant liquid storage tank can be made of polypropylene (pp material); the ultrasonic atomizer adopts an ultrahigh frequency oscillation circuit, the atomization particle size can be 1-5 mu m, wherein 90% of particles meet the size of 2 mu m and below; the air flow distributor can be composed of a splitter plate or a spiral spoiler, and the mixing uniformity reaches 99%.
The ultrasonic atomizer of the utility model can work in a module combination mode, and can be used by one or a plurality of ultrasonic atomizers in parallel according to different coverage ranges of the central air conditioner; the control cabinet consists of a PLC (programmable logic controller), a remote control module and a touch screen, and can realize the functions of manual, automatic and remote control start and stop; the system can be flexibly selected according to the field environment and the arrangement of personnel, can be automatically started and stopped according to the running state of the fresh air system, and can be used for adjusting the liquid spraying amount according to the air volume of the fresh air system; the device can also have low liquid level alarm and shutdown functions.
The utility model relates to a device theory of operation as follows:
(1) the ultrasonic atomization principle is as follows: the ultrasonic atomizer utilizes electronic high-frequency oscillation to break up the liquid water molecule structure through the high-frequency resonance of the ceramic atomization sheet to generate natural and elegant water mist, and has the characteristics of small atomization particle size and balanced mist quantity.
(2) Ultraviolet sterilization principle: the ultraviolet radiation is mainly used for damaging microorganisms such as bacteria, viruses and the like and destroying the function of nucleic acid to kill the microorganisms, thereby achieving the aim of disinfection.
(3) High-voltage electrostatic sterilization principle: the high-voltage electrostatic adsorber consists of discharge wires and a negative plate, and the electrostatic adsorption device can generate 4KV-8KV direct-current high-voltage under the action of the high-voltage generator and form a strong electrostatic field inside the electrostatic adsorption device. When indoor air passes through the electrostatic adsorption device, particulate matters (including microorganisms) in the air are adsorbed on the negative plate after being forced to take positive charges, and the particulate matters with the diameter of 0.01 mu m can be captured.
(4) The chemical disinfection principle is as follows: the chlorine dioxide solution has strong oxidability, the disinfection solution after ultrasonic atomization is in a floating particle state in the air, and through a molecular collision mode, molecules of the disinfectant collide with pathogenic microorganisms to denature pathogen proteins and kill the pathogenic microorganisms, so that the effects of sterilization and air disinfection are achieved.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) according to different sterilization requirements and the characteristics of environmental working conditions, the central air-conditioning ventilation system can be sterilized by adopting an organic combination form of a chlorine dioxide chemical disinfection method, an ultraviolet sterilization method and a high-voltage electrostatic adsorption method. Wherein chlorine dioxide is a safe and efficient chemical disinfectant, ultraviolet disinfection is a reliable, secondary pollution-free and spectral physical disinfection method, and high-voltage electrostatic adsorption has strong catching capacity on particles, spray, aerosol and the like in the air; the effective combination mode of the three sterilization modes can meet the requirements of different sterilization working conditions, and has the characteristics of flexible operation, wide application and excellent effect.
(2) The full fresh air centralized air conditioner can be disinfected on line, and the infection risk and the labor cost of manual disinfection are solved.
(3) Has the characteristics of superfine disinfection dry fog, uniform mixing and quick disinfection; and chlorine dioxide is a safe and efficient chemical disinfectant, dynamic disinfection can be realized, and personnel in a disinfection environment can work normally without evacuating in the disinfection process.
Drawings
Fig. 1 is a schematic structural view of an ultrasonic sterilization device applied to a central air-conditioning ventilation system in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of an ultrasonic sterilization device applied to a central air conditioning ventilation system in embodiment 2 of the present invention;
fig. 3 is a schematic structural view of an ultrasonic sterilization device applied to a central air conditioning ventilation system in embodiment 3 of the present invention;
in FIGS. 1-3: 1-fresh air pipeline, 2-filter, 3-cooler, 4-heater, 5-airflow distributor, 6-blower, 7-air outlet pipeline, 8-return air pipeline, 9-disinfectant liquid storage tank, 10-control cabinet, 11-ultrasonic atomizer, 12-ultraviolet sterilizing lamp and 13-high-voltage electrostatic absorber.
The specific implementation mode is as follows:
the ultrasonic sterilization device and method applied to the ventilation system of the central air conditioner provided by the invention are explained in detail with the accompanying drawings.
Example 1
As shown in fig. 1, the ultrasonic sterilization device applied to the ventilation system of the central air conditioner provided by this embodiment is schematically shown in structure, and the device includes an atomizing unit, a regulating unit, a blower 6, an air outlet pipeline 7, an air return pipeline 8 and a fresh air pipeline 1, where the atomizing unit includes an ultrasonic atomizer 11 connected to a disinfectant liquid storage tank 9; the adjusting unit comprises a filter 2, a cooler 3 and a heater 4, wherein the filter 2 is connected with the cooler 3, and the cooler 3 is connected with the heater 4; the output of ultrasonic nebulizer 11 and the output of heater 4 are parallelly connected to same pipeline in and with the entry linkage of forced draught blower 6 through the pipeline respectively, and the exit linkage air-out pipeline 7 of forced draught blower 6, return air pipeline 8 and new trend pipeline 1 are connected filter 2's input respectively, and wherein antiseptic solution liquid storage pot 9 and ultrasonic nebulizer 11 all are connected with switch board 10, and the switch board passes through cable and control program control antiseptic solution liquid storage pot and ultrasonic nebulizer.
In the sterilization process of the ultrasonic sterilization device provided by the embodiment, fresh air from the fresh air pipeline 1 is sent into the adjusting unit to be sequentially filtered by the filter 2, the cooler 3 and the heater 4 to adjust the temperature, then is mixed with fog drops from the disinfectant liquid storage tank 9 and atomized by the ultrasonic atomizer 11 in the conveying pipeline, then is sent into the air outlet pipeline by the blower 6 and is output, and air flow from the air return pipeline 8 is sent into the adjusting unit again to be sequentially filtered by the filter 2, the cooler 3 and the heater 4 to adjust the temperature, and then is recycled.
The ultrasonic sterilization device provided by the embodiment is 3000m in practical buildings3When the disinfection solution is used in the building space, 2 ultrasonic atomizers can be used in parallel, the preparation concentration of the chlorine dioxide disinfection solution is 200mg/L, the disinfection time is 30min each time, and the average concentration of the disinfection solution in the building space is 2.5mg/m3. The air flow distributor can realize the efficient and uniform mixing of the atomized disinfectant and the fresh air system so as to realize the uniformity of disinfection. The chlorine dioxide disinfection system and the air conditioner fresh air are controlled in a start-stop interlocking manner, and the starting time and the disinfection time of the disinfectant can be remotely controlled. The ultrasonic atomizer can realize the parallel use of a single or multiple ultrasonic atomizers according to the demand of the disinfection space so as to meet the requirements of different working conditions and environments.
Example 2
As shown in fig. 2, a schematic diagram of an ultrasonic sterilization apparatus applied to a central air conditioning ventilation system provided in this embodiment is a further improvement on embodiment 1, and further includes an air flow distributor 5, an output end of the ultrasonic atomizer 11 and an output end of the heater 4 are respectively connected to an inlet end of the air flow distributor 5, and an outlet end of the air flow distributor 5 is connected to the blower 6. The setting of the air flow distributor 5 can realize the homogenization of the air flow from each path to improve the sterilization effect. An ultraviolet sterilizing lamp 12 is arranged between the blower 6 and the air outlet pipeline 7.
For the severe environment of virus and bacteria in the building space, a mode of combining a chlorine dioxide disinfection method and an ultraviolet disinfection method can be adopted to realize safer disinfection measures.
In the actual use process, the use and disinfection parameters of the chlorine dioxide disinfectant can be referred to in example 1. The ultraviolet sterilizing lamp is suspended, the power of a single ultraviolet lamp is 30W, and the irradiation space is more than or equal to 1.5W/m3The irradiation time is more than or equal to 30 min.
Example 3
As shown in fig. 3, the schematic diagram of the ultrasonic sterilization apparatus applied to the central air conditioning ventilation system provided in this embodiment is further improved on the basis of embodiment 2, and a high-voltage electrostatic adsorber 13 is installed at the front end of the filter 2. When virus and bacteria in the building space can be carried and transmitted by droplets, aerosol and other particles, the safe disinfection can be realized by combining a chlorine dioxide disinfection method, an ultraviolet disinfection method and a high-voltage electrostatic adsorption method. The high-voltage electrostatic absorber is arranged in the reserved space in front of the air filter. The chlorine dioxide disinfection device and the ultraviolet lamp disinfection device can be used and disinfection parameters refer to example 2, the high-voltage electrostatic adsorption device generates 4kV-8kV direct-current high-voltage, when indoor air passes through the high-voltage electrostatic adsorber, particles (including microorganisms) in the air are adsorbed on the negative plate after being forced to carry positive charges, and the particles with the diameter of 0.01 mu m can be captured.
Claims (5)
1. An ultrasonic sterilization device applied to a central air-conditioning ventilation system is characterized by comprising an atomization unit, a regulation unit, a blower (6), an air outlet pipeline (7), an air return pipeline (8) and a fresh air pipeline (1), wherein the atomization unit comprises an ultrasonic atomizer (11) connected with a disinfectant liquid storage tank (9); the adjusting unit comprises a filter (2), a cooler (3) and a heater (4), the filter (2) is connected with the cooler (3), and the cooler (3) is connected with the heater (4); the output of ultrasonic nebulizer (11) and the output of heater (4) are parallelly connected to same pipeline respectively through the pipeline and with the entry linkage of forced draught blower (6), the exit linkage air-out pipeline (7) of forced draught blower (6), the input of filter (2) is connected respectively in return air pipeline (8) and new trend pipeline (1).
2. The ultrasonic sterilization device applied to the ventilation system of the central air conditioner as claimed in claim 1, further comprising an air flow distributor (5), wherein the output end of the ultrasonic atomizer (11) and the output end of the heater (4) are respectively connected with the inlet end of the air flow distributor (5), and the outlet end of the air flow distributor (5) is connected with the blower (6).
3. The ultrasonic sterilization device applied to the ventilation system of the central air conditioner as claimed in claim 1, wherein the disinfectant liquid storage tank (9) and the ultrasonic atomizer (11) are both connected with the control cabinet (10).
4. The ultrasonic sterilization device applied to the ventilation system of the central air conditioner as claimed in claim 1, wherein an ultraviolet sterilization lamp (12) is arranged between the blower (6) and the air outlet pipeline (7) or on the air outlet pipeline (7).
5. The ultrasonic sterilization device applied to the ventilation system of the central air conditioner as claimed in claim 1, wherein the filter (2) is provided with a high-voltage electrostatic adsorber (13) at the front end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020181746.8U CN212431146U (en) | 2020-02-18 | 2020-02-18 | Ultrasonic sterilization device applied to central air-conditioning ventilation system |
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| CN202020181746.8U CN212431146U (en) | 2020-02-18 | 2020-02-18 | Ultrasonic sterilization device applied to central air-conditioning ventilation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306657A (en) * | 2020-02-18 | 2020-06-19 | 南京常荣声学股份有限公司 | Ultrasonic sterilization device and sterilization method applied to central air-conditioning ventilation system |
| CN114276902A (en) * | 2021-12-29 | 2022-04-05 | 无锡苏南试验设备有限公司 | Mould test box |
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2020
- 2020-02-18 CN CN202020181746.8U patent/CN212431146U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306657A (en) * | 2020-02-18 | 2020-06-19 | 南京常荣声学股份有限公司 | Ultrasonic sterilization device and sterilization method applied to central air-conditioning ventilation system |
| CN114276902A (en) * | 2021-12-29 | 2022-04-05 | 无锡苏南试验设备有限公司 | Mould test box |
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