CN211041226U - Purification air-conditioning system integrated with hydrogen peroxide sterilization device - Google Patents

Purification air-conditioning system integrated with hydrogen peroxide sterilization device Download PDF

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Publication number
CN211041226U
CN211041226U CN201921673100.5U CN201921673100U CN211041226U CN 211041226 U CN211041226 U CN 211041226U CN 201921673100 U CN201921673100 U CN 201921673100U CN 211041226 U CN211041226 U CN 211041226U
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hydrogen peroxide
air
sterilization
air conditioning
conditioning system
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CN201921673100.5U
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Chinese (zh)
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刘俊烽
邱实
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Suzhou Weston En Electromechanical Equipment Co ltd
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Suzhou Weston En Electromechanical Equipment Co ltd
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    • 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

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The utility model relates to an integrated hydrogen peroxide sterilization apparatus's purification air conditioning system, including air conditioning equipment, VHP generator, supply-air duct, hydrogen peroxide cracking device, fan and return air duct of airing exhaust, air conditioning equipment and VHP generator intercommunication, supply-air duct communicates with VHP generator and sterilization room respectively, sterilization room and air conditioning equipment pass through the return air duct intercommunication, the fan and the sterilization room intercommunication of airing exhaust, hydrogen peroxide cracking device sets up in the fan upper reaches of airing exhaust, VHP generator includes hydrogen peroxide priming device and hydrogen peroxide gasification device, hydrogen peroxide priming device and hydrogen peroxide gasification device intercommunication, hydrogen peroxide gasification device and supply-air duct intercommunication. The utility model discloses can carry out disinfection and sterilization through integrated hydrogen peroxide sterilizing installation to the air in the room of disinfecting and object surface, whole sterilization process is by the temperature in the room, humidity, pressure differential and hydrogen peroxide concentration sensor monitoring and feedback, can real time control sterilization process.

Description

Purification air-conditioning system integrated with hydrogen peroxide sterilization device
Technical Field
The utility model relates to an air conditioning technology field, in particular to integrated hydrogen peroxide sterilization apparatus's purification air conditioning system.
Background
In each link of the production process of the pharmaceutical preparation, the pharmaceutical preparation can contact environmental pollution microorganisms, even pathogenic bacteria, so that the microbial project of the product is unqualified, and even polluted medicines flow into the market to cause harm to patients. The pharmaceutical product quality management code (revised 2010) aseptic pharmaceutical annex forty-five rules "microbial contamination of sanitary dead corners in clean areas can be reduced by fumigation". Hydrogen peroxide gas was found to be a highly effective germicide in the nineties of the last century, has a high broad spectrum, and the final degradation products are water vapor and oxygen, which are free from environmental pollution. In recent years, a hydrogen peroxide gasification (VHP) technology is widely applied to the fields of medicine production workshops, biological safety laboratories, isolators and the like which need to perform gas fumigation sterilization on spaces, and gradually replaces the traditional gas fumigation sterilization modes of formaldehyde, ozone, peroxyacetic acid and the like.
The slave device formally: traditional equipment adopts portable hydrogen peroxide sterilization equipment more, and the room is arranged in to equipment and is disinfected, and the equipment removal needs the manpower transport, needs many equipment or sterilization in turn under a plurality of room conditions, and work efficiency is not high.
In addition, hydrogen peroxide sterilization equipment is arranged outside a room to be sterilized, VHP is conveyed to the sterilization equipment of the room through an independent VHP pipeline, and the equipment needs to modify pipelines of the room, so that the operation is troublesome, and time and labor are wasted.
From the monitoring of the sterilization process: the core parameter for representing the hydrogen peroxide sterilization effect is the concentration of hydrogen peroxide gas in a space, corrosion and residue are easily generated when the concentration is too high, the sterilization effect cannot be achieved when the concentration is too low, and the concentration of the hydrogen peroxide gas in the sterilization process needs a reasonable range.
Factors influencing the concentration of hydrogen peroxide gas are many, the traditional sterilization equipment only measures the concentration of the hydrogen peroxide gas and other environmental indexes in the large-space sterilization process, and the traditional sterilization equipment lacks pertinence and has effectiveness, so that the fluctuation of environmental parameters such as the concentration of the hydrogen peroxide gas in a room, temperature and humidity is large, the consistency among multiple sterilization processes is poor, and the verification effect reproducibility is poor. The sterilization process often requires human intervention to adjust various parameters, wasting time and energy, and is prone to errors in human judgment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, provide one kind and can realize that sterilization process real-time supervision adjusts, sterilization efficiency is higher, and the effect is better, realizes the gaseous innocent treatment's of sterilization integrated hydrogen peroxide sterilization apparatus's of air conditioning system that purifies.
The specific technical scheme is as follows: the utility model provides an integrated hydrogen peroxide sterilization apparatus's purification air conditioning system, includes air conditioning equipment, VHP generator, supply-air duct, hydrogen peroxide cracker, air exhaust fan and return air duct, air conditioning equipment and VHP generator intercommunication, supply-air duct communicate with VHP generator and sterilization room respectively, the sterilization room passes through return air duct intercommunication with air conditioning equipment, air exhaust fan and sterilization room intercommunication, and hydrogen peroxide cracker sets up in the fan upper reaches of airing exhaust, VHP generator includes hydrogen peroxide priming device and hydrogen peroxide gasification device, hydrogen peroxide priming device and hydrogen peroxide gasification device intercommunication, hydrogen peroxide gasification device and supply-air duct intercommunication.
The following is the attached technical proposal of the utility model.
Furthermore, the hydrogen peroxide cracking device is communicated with the air return pipeline through an air exhaust channel.
Furthermore, the air conditioning device comprises a mixing chamber, the mixing chamber is provided with an air inlet and an air return opening, the air inlet is communicated with the air inlet channel, and the air return opening is communicated with the air return pipeline.
Further, the air conditioning device comprises a refrigeration device, which is arranged downstream of the mixing chamber.
Further, the air conditioning device comprises an air supply fan and a heating device, and the air supply fan is communicated with the refrigerating device and the heating device.
Furthermore, the air conditioning device comprises an air supply chamber, the air supply chamber is communicated with the hydrogen peroxide gasification device, the air supply chamber is communicated with an air supply pipeline, and a filter is arranged at the upstream of the air supply chamber.
Further, the air conditioning device comprises a humidifier, and the humidifier is arranged between the heating device and the filter.
Furthermore, the purification air-conditioning system integrated with the hydrogen peroxide sterilization device comprises a temperature and humidity sensor, a pressure difference sensor and a hydrogen peroxide gas concentration sensor, wherein the temperature and humidity sensor, the pressure difference sensor and the hydrogen peroxide gas concentration sensor are respectively arranged in the sterilization room.
Furthermore, the sterilization room is provided with a high-efficiency air supply outlet, the high-efficiency air supply outlet is provided with a high-efficiency filter, and the high-efficiency air supply outlet is communicated with an air supply pipeline.
Further, the VHP generator comprises a dehumidifier which is communicated with the hydrogen peroxide gasification device.
The technical effects of the utility model: the purification air-conditioning system of the integrated hydrogen peroxide sterilization device of the utility model realizes that the traditional purification air-conditioner provides clean fresh air, refrigerates and heats, humidifies and dehumidifies and the like, and can also disinfect and sterilize the air and the object surface in a sterilization room through the integrated hydrogen peroxide sterilization equipment; the whole sterilization process is monitored and fed back by temperature, humidity, pressure difference and hydrogen peroxide concentration sensors in a room, and the sterilization process can be controlled in real time. In addition, after the sterilization process is finished, the residual hydrogen peroxide gas can be degraded into nontoxic and harmless water vapor and oxygen, and then the water vapor and the oxygen are discharged to the outside, so that the harmless treatment of the sterilization gas is realized.
Drawings
Fig. 1 is a schematic diagram of a purification air conditioning system of an integrated hydrogen peroxide sterilization device according to an embodiment of the present invention.
Fig. 2 is a schematic view of an air conditioning apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic view of a sterile room according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a hydrogen peroxide cracking apparatus according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a VHP generator of an embodiment of the present invention.
Detailed Description
The essential features and advantages of the invention will be further explained below with reference to examples, but the invention is not limited to the embodiments listed.
As shown in fig. 1 to 5, the hydrogen peroxide sterilization apparatus integrated purification air conditioning system of the present embodiment includes an air conditioning apparatus 1, a VHP generator 2, an air supply duct 3, a hydrogen peroxide decomposition apparatus 4, an exhaust fan 5 and an air return duct 6, wherein the air conditioning apparatus 1 is communicated with the VHP generator 2, and the air supply duct 3 is respectively communicated with the VHP generator 2 and a sterilization room 7. The sterilizing room 7 is communicated with the air conditioning device 1 through an air return pipeline 6, the exhaust fan 5 is communicated with the sterilizing room 7, and the hydrogen peroxide cracking device 4 is arranged at the upstream of the exhaust fan 5. The VHP generator 2 comprises a hydrogen peroxide injection device 21 and a hydrogen peroxide gasification device 22, wherein the hydrogen peroxide injection device 21 is communicated with the hydrogen peroxide gasification device 22, and the hydrogen peroxide gasification device 22 is communicated with the air supply pipeline 3. In the above technical solution, the air conditioner can generate cold air or warm air, the VHP generator 2 is a vaporized hydrogen peroxide generator which can generate gaseous hydrogen peroxide, and the hydrogen peroxide gas is delivered from the air conditioner to the sterilization room 7 through the air supply duct 3, and the gas can sterilize the air and the object surface in the room. After the sterilization process is finished, the residual hydrogen peroxide gas is degraded into non-toxic and harmless water vapor and oxygen through a hydrogen peroxide cracking device, and then the water vapor and the oxygen are discharged to the outside to realize the harmless treatment of the sterilization gas. The return duct 6 can introduce the gas flow containing the hydrogen peroxide gas into the air conditioner through the return duct 6 for reuse during the sterilization process. An integrated hydrogen peroxide sterilization apparatus of the present embodiment is connected to the central control room 50 through the control box 40, so that the integrated hydrogen peroxide sterilization apparatus can be monitored through the central control room 50.
In this embodiment, the hydrogen peroxide cracking device 4 is communicated with the air return pipeline 6 through the exhaust passage 8, so that after the sterilization process is finished, the residual hydrogen peroxide gas is discharged through the hydrogen peroxide cracking device.
In this embodiment, the air conditioner 1 includes a mixing chamber 11, the mixing chamber 11 is provided with an air inlet 111 and an air return port 112, the air inlet 111 is communicated with the air inlet channel 12, and the air return port 112 is communicated with the air return duct 6. Air enters the mixing chamber through the air inlet channel 12, and during the sterilization process, hydrogen peroxide gas in the sterilization chamber enters the mixing chamber 11 through the air return pipeline 6 to be mixed with the air.
In this embodiment, the air conditioner 1 includes a refrigeration device 13, and the refrigeration device 13 is disposed downstream of the mixing chamber 11, and is capable of cooling the gas output from the mixing chamber when refrigeration is required.
In this embodiment, the air conditioning apparatus includes an air supply fan 14 and a heating apparatus 15, and the air supply fan 14 communicates the cooling apparatus 13 and the heating apparatus 15. The supply fan 14 is capable of delivering an airflow downstream, and when heating of the airflow is required, the temperature of the airflow can be raised by the heating device.
In this embodiment, the air conditioner 1 includes an air supply chamber 16, the air supply chamber 16 communicates with a hydrogen peroxide vaporizer 22, the air supply chamber 16 communicates with the air supply duct 3, and a filter 17 is provided upstream of the air supply chamber 16. In the above technical solution, the air flow of the air conditioner and the gas generated by the hydrogen peroxide gasification device 22 are mixed in the air supply chamber and then delivered through the air supply duct 3. By providing the filter 17, the air flow entering the air supply chamber can be filtered.
In this embodiment, the air conditioner 1 includes a humidifier 18, and the humidifier 18 is disposed between the heating device 15 and the filter 17, so as to raise the humidity of the airflow.
In this embodiment, the purification air conditioning system integrated with the hydrogen peroxide sterilization apparatus includes a temperature and humidity sensor 10, a pressure difference sensor 20, and a hydrogen peroxide gas concentration sensor 30, and the temperature and humidity sensor 10, the pressure difference sensor 20, and the hydrogen peroxide gas concentration sensor 30 are respectively disposed in the sterilization room 7. Through above-mentioned technical scheme, can make whole sterilization process by the temperature in the room, humidity, pressure differential and hydrogen peroxide concentration sensor monitoring, data adopt wireless transmission mode to upload host computer system and regulate and control through control system.
In this embodiment, sterilization room 7 is equipped with high-efficient supply-air outlet 71, and high-efficient supply-air outlet 71 is equipped with high efficiency filter 72, and high efficiency supply-air outlet and supply-air duct 3 communicate to make gaseous can get into the sterilization room through high efficiency supply-air outlet 71, filter through high efficiency filter 72 before gaseous entering, high efficiency filter can adopt the HEPA filter.
In this embodiment, the VHP generator 2 includes a dehumidifier 23, and the dehumidifier 23 is communicated with the hydrogen peroxide vaporizing device 22, so that the humidity of the gas can be reduced.
The principle of the purification air-conditioning system integrated with the hydrogen peroxide sterilization device of the embodiment is as follows: before the sterilization begins, the user inputs necessary parameters such as ambient temperature, humidity, differential pressure control range, room volume and the like in an intelligent control system, and the control system can automatically calculate a set of reasonable sterilization procedures: the method comprises a sterilization process (space dehumidification, surface cooling drying, sterilization and residue removal) and comprises specific program parameters such as air supply quantity of an air conditioner (10-15 air change times), return air temperature and humidity (temperature is 26-30 ℃ and humidity is less than 60%), dehumidification time, usage amount of hydrogen peroxide disinfectant, target concentration of hydrogen peroxide gas, time required for sterilization, time required for residue removal and the like. Starting the sterilization program, each functional unit of the air conditioning system can operate according to the sterilization program. For another example, when the hydrogen peroxide concentration sensor in the room monitors that the concentration of the hydrogen peroxide gas is too low, the control system can increase the generation amount of the hydrogen peroxide in the sterilization device and improve the concentration of the hydrogen peroxide in the room; when the concentration of the room is too high, the control system can reduce the generation amount of the hydrogen peroxide disinfectant in the sterilization device; when the room temperature and the relative humidity are abnormal, the control system can instruct the sterilization device to stop working, the functional unit for adjusting the temperature and the humidity by the air conditioning system intervenes to adjust the temperature and the humidity of the room, and when the temperature and the humidity condition return to a reasonable level, the sterilization device continues to operate until the sterilization program is finished. After the sterilization process is finished, the residual hydrogen peroxide gas is degraded into non-toxic and harmless water vapor and oxygen through a cracking unit in an air-conditioning exhaust pipeline, and then the water vapor and the oxygen are discharged to the outside to realize the harmless treatment of the sterilization gas.
Specifically, the method comprises the following steps:
1. intelligent control system-calculate a reasonable sterilization procedure based on the current environmental parameters of the room. Set parameters (return air temperature 28+/-2 ℃ and return air humidity less than 60% and pressure 5Pa and volume 500 cubic meter) are input into the system, and the sterilization program automatically generates the set parameters (air supply quantity 5000 m)3/h-7500m3H), air supply temperature and humidity/air return temperature and humidity PID automatic control meets air return control (the temperature is 28+/-2 ℃, the humidity is less than 60%, and the injection rate of hydrogen peroxide disinfectant is 20g/min), the sterilization program consists of four stages (an environmental condition preparation stage, a blow-drying surface cooling stage, a sterilization stage and a residue discharge stage), and the duration time of each stage and the parameter control set conditions are as follows: the method comprises the following steps of environmental condition preparation (controlling the return air temperature to be 25 ℃ and the humidity to be less than 40%), surface cooling blow-drying (drying a surface cooling disc, controlling the return air temperature to be 28 ℃ and the return air humidity to be less than 60%), sterilization (controlling the hydrogen peroxide gas concentration to be 150PPM and sterilizing for 2.5 hours), automatic matching of fan frequency according to the air exchange rate in a residue removing stage (controlling the hydrogen peroxide gas concentration to be less than 1PPM), and automatic regulation of room pressure difference according to a set value and adjustment of an air returning variable air rate valve.
2. The hydrogen peroxide gas concentration is monitored in real time, and the feedback regulation function is realized.
The concentration of hydrogen peroxide gas is set to be 150PPM in the sterilization process, and when the concentration value monitored in a room is 140PPM in the sterilization process, 35% hydrogen peroxide disinfectant injection starts to work. When the concentration value monitored in the room is 160ppm, the injection of the 35% hydrogen peroxide disinfectant stops working. To maintain the gas concentration stable at 150PPM +/-10 PPM; when the concentration reaches the upper limit again, the injection pump is stopped again; after the concentration returns, the injection pump is restarted, and the circulation is repeated until the sterilization program set by the system is finished. In addition, the upper limit of the humidity can be monitored in real time during the sterilization process, and the sterilization device stops working once the environmental humidity exceeds 90%, and the air conditioning system enters a residue discharge stage. After the residue is removed, the environmental parameters (air exhaust, temperature rise and dehumidification) of the room are adjusted again, and after the environmental parameters are proper, the sterilization procedure is continuously carried out until the planned time of the sterilization stage is finished.
3. And (4) residual gas treatment process after sterilization.
In the residue discharging stage, the catalyst decomposer arranged on the exhaust pipeline can decompose hydrogen peroxide gas efficiently, and a hydrogen peroxide gas concentration probe is arranged to ensure that the outlet concentration is less than 2PPM, so that the harm to personnel and equipment is avoided. And setting an excess concentration alarm to ensure the effectiveness of the catalyst decomposer.
The purification air-conditioning system of the integrated hydrogen peroxide sterilization device of the embodiment realizes the functions of providing clean fresh air, refrigerating and heating, humidifying and dehumidifying and the like of the traditional purification air-conditioner, and can also sterilize and disinfect the air and the object surface in a sterilization room through the integrated hydrogen peroxide sterilization equipment; the whole sterilization process is monitored and fed back by temperature, humidity, pressure difference and hydrogen peroxide concentration sensors in a room, and the sterilization process can be controlled in real time. In addition, after the sterilization process is finished, the residual hydrogen peroxide gas can be degraded into nontoxic and harmless water vapor and oxygen, and then the water vapor and the oxygen are discharged to the outside, so that the harmless treatment of the sterilization gas is realized.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides an integrated hydrogen peroxide sterilization apparatus's purification air conditioning system, its characterized in that, includes air conditioning equipment, VHP generator, supply-air duct, hydrogen peroxide cracker, air exhaust fan and return air duct, air conditioning equipment and VHP generator intercommunication, supply-air duct communicate with VHP generator and sterilization room respectively, sterilization room and air conditioning equipment pass through the return air duct intercommunication, air exhaust fan and sterilization room intercommunication, and hydrogen peroxide cracker sets up at air exhaust fan upper reaches, VHP generator includes hydrogen peroxide priming device and hydrogen peroxide gasification device, and hydrogen peroxide priming device and hydrogen peroxide gasification device communicate, and hydrogen peroxide gasification device and supply-air duct intercommunication.
2. The purification air-conditioning system of the integrated hydrogen peroxide sterilization device according to claim 1, wherein the hydrogen peroxide decomposition device is communicated with the return air duct through an air exhaust channel.
3. The clean air-conditioning system of integrated hydrogen peroxide sterilization device according to claim 1, wherein said air-conditioning device comprises a mixing chamber, said mixing chamber is provided with an air inlet and an air return, said air inlet is communicated with said air inlet channel, and said air return is communicated with said air return channel.
4. The integrated hydrogen peroxide sterilization device decontamination air conditioning system of claim 3, wherein said air conditioning device comprises a refrigeration device disposed downstream of the mixing chamber.
5. The hydrogen peroxide sterilization device integrated purification air conditioning system according to claim 4, wherein the air conditioning device comprises an air supply fan and a heating device, and the air supply fan is communicated with the refrigerating device and the heating device.
6. The clean air conditioning system with integrated hydrogen peroxide sterilization device according to claim 5, wherein the air conditioning device comprises an air supply chamber, the air supply chamber is communicated with the hydrogen peroxide sterilization device, the air supply chamber is communicated with the air supply pipeline, and a filter is arranged at the upstream of the air supply chamber.
7. The integrated hydrogen peroxide sterilization device decontamination air conditioning system of claim 6, wherein the air conditioning device comprises a humidifier disposed between the heating device and the filter.
8. The hydrogen peroxide sterilization device-integrated clean air conditioning system according to claim 1, wherein the hydrogen peroxide sterilization device-integrated clean air conditioning system comprises a temperature and humidity sensor, a pressure difference sensor and a hydrogen peroxide gas concentration sensor, and the temperature and humidity sensor, the pressure difference sensor and the hydrogen peroxide gas concentration sensor are respectively arranged in the sterilization room.
9. The clean air-conditioning system of integrated hydrogen peroxide sterilization device according to claim 1, wherein the sterilization room is provided with an efficient air supply outlet, the efficient air supply outlet is provided with an efficient filter, and the efficient air supply outlet is communicated with the air supply pipeline.
10. The integrated hydrogen peroxide sterilization unit decontamination air conditioning system of claim 1, wherein said VHP generator comprises a dehumidifier in communication with said hydrogen peroxide vaporization unit.
CN201921673100.5U 2019-10-09 2019-10-09 Purification air-conditioning system integrated with hydrogen peroxide sterilization device Expired - Fee Related CN211041226U (en)

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Application Number Priority Date Filing Date Title
CN201921673100.5U CN211041226U (en) 2019-10-09 2019-10-09 Purification air-conditioning system integrated with hydrogen peroxide sterilization device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921673100.5U CN211041226U (en) 2019-10-09 2019-10-09 Purification air-conditioning system integrated with hydrogen peroxide sterilization device

Publications (1)

Publication Number Publication Date
CN211041226U true CN211041226U (en) 2020-07-17

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Application Number Title Priority Date Filing Date
CN201921673100.5U Expired - Fee Related CN211041226U (en) 2019-10-09 2019-10-09 Purification air-conditioning system integrated with hydrogen peroxide sterilization device

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CN (1) CN211041226U (en)

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