CN211953088U

CN211953088U - Air purification system for dynamic filtering and static sterilizing and disinfecting of central air conditioner

Info

Publication number: CN211953088U
Application number: CN202020408971.0U
Authority: CN
Inventors: 孙绍堂
Original assignee: Guangzhou Jinpeng Environmental Protection Co ltd
Current assignee: Guangzhou Jinpeng Environmental Protection Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-17
Anticipated expiration: 2030-03-26

Abstract

The embodiment of the utility model discloses central air conditioning dynamic filtration, static disinfection air purification system that disinfects, this system includes: first disinfection and purification equipment, second disinfection and purification equipment and the air cycle equipment of disinfecting, first disinfection and purification equipment of disinfecting with the parallel configuration of second disinfection and purification equipment of disinfecting, first disinfection and purification equipment of disinfecting with the second is disinfected and purification equipment of disinfecting and control the switching of the valve that disposes separately when according to different operation procedures respectively, first disinfection and purification equipment of disinfecting with the second is disinfected and purification equipment of disinfecting and is included filter unit, absorption separation unit, static electret unit, disinfection unit and inside air cycle unit of disinfecting respectively. This scheme is applicable to the central air conditioning clean system and the space ventilation place of different treatment scales, can effectually with virus bacterium and crowd's activity space separation.

Description

Air purification system for dynamic filtering and static sterilizing and disinfecting of central air conditioner

Technical Field

The embodiment of the application relates to the technical field of environmental protection, in particular to a central air conditioning dynamic filtering and static sterilizing and disinfecting air purification system.

Background

The central air conditioner is composed of one or more cold and heat source systems and a plurality of air conditioning systems. The central air conditioner has corresponding air purification function, when the existing central air conditioner is used for air purification, the fresh air and the return air of the system are mixed and firstly enter an air filter to filter dust particles and particles in the air, the filtered clean air then enters an air conditioning processor to exchange heat with a cooling medium and reduce the temperature to be changed into air with proper temperature in an indoor space, the air is distributed and conveyed to a required space through an air supply pipeline through an air inlet fan, the air is sent into a room through an air supply outlet of the room to keep the room at a certain temperature, then the air is discharged from the room through a return air inlet and collected into a return air pipeline, a part of the air is adjusted through an exhaust valve and discharged to the atmospheric environment through a return air fan, and the other part of the air is mixed with supplemented fresh air through a return air adjusting valve and then passes through the air filter again to filter the dust particles and the particles brought in the fresh air, the filtered clean air then enters the air conditioning processor, which completes the process cycle.

The existing central air-conditioning air purification system is difficult to be provided with an effective air sterilization and disinfection system, and the main reasons are as follows: the effective air sterilization and disinfection system is difficult to realize the dynamic sterilization and disinfection of the large-scale air processing capacity of the central air conditioner by adopting a chemical method or a physical method, wherein the concentration of a disinfection substance or the intensity of disinfection radiation is the first, and the contact (stay) time of gas in the space of the sterilization and disinfection device is the second. For example, one of the currently effective chemical disinfection and sterilization methods is an ozone process, in order to provide enough ozone in a unit time, the power of an ozone generator is large enough, in order to achieve an effective disinfection and sterilization effect and achieve sufficient contact (residence) time, the space volume of the equipment is large enough, which is difficult to achieve in a dynamic process, and meanwhile, ozone is easy to enter an air circulation system and further enter a space where people move in the dynamic disinfection and sterilization and air filtration purification processes, so that adverse effects on human bodies are caused.

Also, in order to provide sufficient ultraviolet intensity (microwave intensity) per unit time by using a physical ultraviolet or microwave sterilization and disinfection process, the number of ultraviolet light tubes and the installed power (power of a microwave generator) need to be large enough, so that an effective sterilization and disinfection effect is achieved, sufficient contact (residence) time is achieved, the space volume of the equipment is large enough, and the dynamic process is difficult to achieve. Therefore, the traditional thinking of the conventional sterilization and disinfection concept is completely overturned, and a dynamic filtration purification and static sterilization and disinfection air purification system of the dynamic central air conditioner is provided.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a central air conditioning dynamic filtration, static disinfection air purification system that disinfects is applicable to the central air conditioning clean system of different processing scales, has overcome traditional central air conditioning degassing unit's drawback that disinfects, can be effectual with virus bacterium and crowd's activity space separation, guarantees the safety in space, thoroughly prevents the cross infection, can thoroughly kill the bacterium virus simultaneously again. The scheme not only does not excessively increase the equipment investment of the existing system, but also perfectly solves the problem which cannot be solved by the existing system, and the system is stable and safe in operation and low in energy consumption.

The embodiment of the utility model provides a central air conditioning dynamic filtration, static disinfection air purification system that disinfects, the system includes: first disinfection and purification equipment that disinfects, second disinfection and purification equipment and air cycle equipment of disinfecting, first disinfection and purification equipment that disinfects with the second disinfection and purification equipment that disinfects connects in parallel the configuration, with air cycle equipment links to each other for carry out filtration treatment and disinfection and purification treatment of disinfecting to the air, wherein, first disinfection and purification equipment that disinfects with the second disinfection and purification equipment that disinfects controls the switching of the valve that disposes separately respectively when according to different operation procedures, first disinfection and purification equipment that disinfects with the second disinfection and purification equipment that disinfects includes filter unit, adsorption separation unit, static electret unit, disinfection unit and inside air cycle unit of disinfecting respectively, filter unit is arranged in filtering dust and the particle in the air, adsorption separation unit is used for adsorbing the virus bacterium, static electret unit is used for constituteing sub-high efficiency filter and/or the electret air filtration material who adsorbs separation unit The static treatment is carried out, the static charge effect is added, the filtering efficiency is improved by a method of keeping static by using electret filtering materials, the sterilization and disinfection unit is used for sterilizing and disinfecting virus and bacteria adsorbed by the adsorption and separation unit, the air circulation equipment is used for realizing the air circulation of a dynamic filtration and static sterilization and disinfection air purification system of a central air conditioner, and the internal air circulation unit is respectively used for realizing the internal gas circulation of the first sterilization and disinfection purification equipment and the second sterilization and disinfection purification equipment during the sterilization and disinfection operation procedure.

Optionally, still include the control unit, the control unit is used for in the first time interval of predetermineeing, control the first valve of disinfecting disinfection and purification equipment that disinfects is opened, and in the second time interval of predetermineeing, control the first valve of disinfecting disinfection and purification equipment that disinfects is closed, control the second valve of disinfecting disinfection and purification equipment that disinfects is opened, the first disinfection and purification equipment that disinfects is in the first time interval of predetermineeing carries out filtration treatment to the air, predetermineeing the time interval at the second and carries out the disinfection treatment of disinfecting to inside filter element and absorption separation unit, predetermineeing the time interval at the fourth and carries out electrostatic treatment to the electret air filtration material who constitutes inferior high efficiency filter and/or absorption separation unit, adds the electrostatic charge effect, promotes filtration efficiency.

Optionally, the filtering unit includes: the air enters the coarse filter, the medium-efficiency filter, the sub-high-efficiency filter and/or the adsorption and separation unit to be filtered.

Optionally, the adsorption blocking unit and/or the sub-high efficiency filter is connected with the medium efficiency filter, and is used for adsorbing and blocking viruses and bacteria in the air on the surface of the adsorption blocking material, between the gaps of the adsorption material particles and inside the micropores of the adsorption material.

Optionally, the electrostatic electret unit is disposed in front of the sub-high efficiency filter and/or the adsorption and separation unit, and is configured to perform electrostatic treatment on an electret air filter material constituting the sub-high efficiency filter and/or the adsorption and separation unit, periodically add an electrostatic charge effect to an electret meltblown filter material constituting the sub-high efficiency filter and/or the adsorption and separation unit, and improve the filtration efficiency by using a method of maintaining static electricity by using the electret filter material, so that the filtration efficiency is maintained at 99.9% to 99.99%. I.e., to KN95 standard or above.

Optionally, the sterilization and disinfection unit includes any one of an ultraviolet sterilization device, an ozone sterilization device or a microwave sterilization device, and is used for sterilizing and killing bacteria and viruses adsorbed and blocked on the surface of the adsorption and blocking material, among gaps of particles of the adsorption material and inside micropores of the adsorption material.

Optionally, the sterilization and disinfection unit respectively sterilizes the bacteria and viruses in the coarse filter, the medium filter, the sub-high efficiency filter and/or the adsorption and isolation unit.

Optionally, when the second preset time period reaches a time threshold, the control unit controls the sterilization unit in the first sterilization, disinfection and purification device to stop sterilization.

Optionally, the air circulation device comprises: a clean air regulating valve, a circulation regulating valve, an exhaust regulating valve, an air conditioner host, an air supply fan, an air pipeline and a circulation fan, wherein the air pipeline comprises an air supply pipe and a return air pipe, wherein the first sterilization, disinfection and purification equipment and the second sterilization, disinfection and purification equipment send clean air into the air-conditioning main machine, the air adjusted by the air conditioner main machine is sent into the indoor space through the air supply fan and the air supply pipe, the air in the indoor space is discharged into the atmosphere through the circulating fan and part of the return air pipe, and the other part of the air is mixed with the supplementary clean air and then sent into the first sterilization, disinfection and purification equipment or the second sterilization, disinfection and purification equipment, the air exhaust adjusting valve is used for controlling the amount of air exhausted into the atmosphere, the circulation adjusting valve is used for controlling the amount of circulating air, and the clean air adjusting valve is used for adjusting the amount of clean air which is supplemented to enter.

Optionally, the internal air circulation unit is provided with an internal circulation fan, wherein the internal circulation fan is correspondingly provided with the coarse filter, the medium-efficiency filter, the sub-high-efficiency filter and the adsorption separation unit, so as to realize the internal air circulation of the first sterilization and disinfection purification device and the second sterilization and disinfection purification device when entering the sterilization and disinfection operation program.

The embodiment of the utility model provides a central air conditioning dynamic filtration, static disinfection and isolation air purification method that this scheme disclosed, including following step:

in a first preset time period (dynamic filtering and purifying operation program), starting first sterilization and disinfection and purification equipment to filter air, and closing second sterilization and disinfection and purification equipment;

in a second preset time period (static sterilization and disinfection operation program), closing the first sterilization and disinfection purification equipment, performing sterilization and disinfection treatment on the internal filtering unit and the adsorption and separation unit, and opening the second sterilization and disinfection purification equipment to perform filtration treatment on air;

when a second preset time period (a static sterilization and disinfection operation program) reaches a time threshold, stopping the sterilization and disinfection treatment of the first sterilization and disinfection purification equipment on the internal air to enable the first sterilization and disinfection purification equipment to be in a standby state;

in a third preset time period (the first sterilization and disinfection purification equipment performs dynamic filtration and purification, and the second sterilization and disinfection equipment starts a static sterilization and disinfection operation program), closing the second sterilization and disinfection equipment filtration and purification program, and performing sterilization and disinfection treatment on the internal filtration unit and the adsorption and isolation unit;

and in a fourth preset time period (which can coincide with any time period of the first preset time period, the second preset time period and the third preset time period), the electrostatic electret device is started to perform electrostatic treatment on the electret air filtering material which forms the sub-high efficiency filter and/or the adsorption and separation unit filtering layer in the first sterilization and disinfection purification equipment or the second sterilization and disinfection purification equipment, and an electrostatic charge effect is added to ensure that the electret filtering material keeps static electricity and improve and ensure the filtering efficiency.

The first sterilization, disinfection and purification equipment and the second sterilization, disinfection and purification equipment respectively comprise a filtering unit, an adsorption and obstruction unit, an electrostatic electret unit, a sterilization and disinfection unit and an internal air circulation unit, the filter unit is used for filtering dust and particles in the air, the sub-high efficiency filter and/or the adsorption and obstruction unit is used for adsorbing virus and bacteria, the electrostatic electret unit is used for carrying out electrostatic treatment on the electret air filtering material, adding electrostatic charge effect to keep the electret air filtering material static, improving and ensuring the filtering efficiency, the sterilization and disinfection unit is used for sterilizing and disinfecting the virus and bacteria adsorbed by the adsorption and isolation unit, the internal air circulation unit is respectively used for realizing internal air circulation of the first sterilization, disinfection and purification equipment and the second sterilization, disinfection and purification equipment when the first sterilization, disinfection and purification equipment and the second sterilization, disinfection and purification equipment enter a sterilization and disinfection operation program.

This scheme, central air conditioning dynamic filtration, the loop configuration that static disinfection air purification system that disinfects formed contains two sets of parallelly connected, one is used and is equipped with, each other is reserve filter unit, adsorb separation unit and rather than corresponding supporting disinfection unit that disinfects, filter unit contains the coarse effect of filtering dust and micronic dust granule, well effect, inferior high efficiency filter and/or adsorb separation unit can effectively separate the bacterium virus, disinfection unit that disinfects has the high-efficient ability of killing to different virus bacterium, three device is mutual connects fastener, circulation pipeline and annex, the business turn over pipeline of connecting between the system exit, the air intake, air exit and emergent safe discharge valve. The dynamic filtering and static sterilizing air purifying system adopts the optimized purifying technology for the air containing dust, PM2.5 micro-dust and virus and bacteria, and carries out ultimate purification, thereby meeting the quality requirement of the gas used by the central air conditioner, realizing the final aim of effectively preventing cross infection and ensuring the safety of people in public places.

Drawings

Fig. 1 is a schematic view of structural connection of a sterilization and disinfection purification device in dynamic filtration and static sterilization and disinfection air purification of a central air conditioner according to an embodiment of the present invention;

FIG. 2 is a schematic view of an internal structure of a sterilization, disinfection and purification apparatus provided by an embodiment of the present invention;

FIG. 3 is a schematic view of another internal structure of the sterilization, disinfection and purification apparatus provided in the embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of an adsorption barrier unit according to an embodiment of the present invention;

fig. 5 is a block diagram of the overall structure of a dynamic filtering, static sterilizing and disinfecting air purification system for a central air conditioner according to an embodiment of the present invention;

fig. 6 is a flow chart of the air purification method of dynamic filtration, static sterilization and disinfection of the central air conditioner provided by the present invention.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad embodiments of the invention. It should be further noted that, for convenience of description, only some structures, but not all structures, related to the embodiments of the present invention are shown in the drawings.

The application scenario of the scheme is exemplarily described as follows:

the air conditioner is suitable for various central air conditioning places with large scale, such as hotels, eating places, exhibition halls, meeting halls, museums, airport station waiting places, office buildings, medical units, especially infectious disease hospitals and places with high requirements on preventing cross infection, and production and living places with large scale population concentration. Such as clean plants, industrial production plants, indoor trading markets, etc. In the operation process, large-scale air needs to be treated, the air in different environments contains a large amount of dust, dust particles and virus and bacteria, and in order to prevent cross infection of people in public gathering places caused by established bacteria and viruses possibly carried by specific people and specific environments, a central air conditioning system in the places needs to be effectively sterilized and disinfected.

The present solution will now be described in detail with reference to the system.

Fig. 1 is a schematic view of the structural connection of the sterilization and disinfection purification device in the dynamic filtration and static sterilization and disinfection air purification of the central air conditioner according to the embodiment of the present invention. As shown in fig. 1, in the air purification system with dynamic filtration and static sterilization and disinfection of a central air conditioner, two sterilization and disinfection purification devices, namely a first sterilization and disinfection purification device 100 and a second sterilization and disinfection purification device 200, are included, and the two sterilization and disinfection purification devices are arranged in parallel, it should be noted that the sterilization and disinfection purification devices arranged in parallel are not limited to two, and a plurality of sterilization and disinfection purification devices can be arranged to be arranged in parallel according to actual conditions.

In one embodiment, the first disinfection and purification device 100 and the second disinfection and purification device 200 are connected in parallel and controlled by their respective valves, the first disinfection and purification device 100 is provided with a valve 101 and a valve 102, the second disinfection and purification device 200 is provided with a valve 201 and a valve 202, when the valve 101 and the valve 102 are opened and the valve 201 and the valve 202 are closed, air flows through the first disinfection and purification device 100, and when the valve 101 and the valve 102 are closed and the valve 201 and the valve 202 are closed, air flows through the second disinfection and purification device 200.

Wherein, the first sterilization, disinfection and purification equipment 100 comprises a filtering unit 103, an adsorption and separation unit 104, a sterilization and disinfection unit 105 and an internal air circulation unit 106, and the internal air circulation unit 106 is used for realizing the internal gas circulation of the sterilization, disinfection and purification equipment, such as an internal circulation fan and a connected pipeline. The second sterilizing and disinfecting and purifying device 200 has the same internal structure as the sterilizing and disinfecting and purifying device, and is not labeled in fig. 1.

Fig. 2 is the embodiment of the utility model provides a disinfection and isolation equipment's internal structure schematic diagram disinfects, can carry out filtration and disinfection and isolation treatment to the air through this first disinfection and isolation equipment 100 that disinfects, and is concrete, filtration is handled and is carried out through filter unit 103, and wherein, filter unit 103 includes coarse filter 1031, medium efficiency filter 1032 and inferior high efficiency filter 1033, adsorbs separation unit 104 and is used for adsorbing the virus bacterium, and disinfection and isolation unit 105 is used for disinfecting and isolation treatment to the virus bacterium that adsorption separation unit 104 adsorbs.

In one embodiment, the adsorption barrier unit and/or the sub-high efficiency filter is used for adsorbing and blocking virus and bacteria in the air on the surface of the adsorption barrier material, between the gaps of the particles of the adsorption material and inside the micropores of the adsorption material. The sterilization and disinfection unit comprises any one of an ultraviolet sterilization device, an ozone sterilization device or a microwave sterilization device and is used for sterilizing and killing bacteria and viruses on the surface of the adsorption barrier material, among the gaps of the adsorption particles and in the micropores of the adsorption material. The ultraviolet sterilization device, the ozone sterilization device or the microwave sterilization device are only exemplary, and other sterilization and disinfection devices can be adopted.

In one embodiment, as shown in fig. 2, in the first sterilization, disinfection and purification apparatus, the sterilization and disinfection units 105 are respectively and individually configured in the coarse filter 1031, the middle filter 1032, the sub-high efficiency filter 1033 and the adsorption blocking unit 104, and respectively sterilize the bacterial viruses in each fine component, and the separately configured separate sterilization and disinfection units may be combined into a total sterilization and disinfection unit to sterilize the bacterial viruses.

Specifically, the sterilization and disinfection process can select sterilization and disinfection equipment with different process types, and the sterilization and disinfection process is designed according to the space size of the whole dynamic filtering and static sterilization and disinfection air purification system, the requirements of the sterilization and disinfection time and technical parameters (such as ozone disinfectant concentration, ultraviolet and micro light irradiation intensity, microwave power and the temperature of the whole equipment volume space) required by different sterilization and disinfection process types, so that the sterilization and disinfection effect is achieved, the operation power is reduced to the maximum extent, and the operation cost is reduced. The utility model can adopt ozone sterilization and disinfection process equipment, ultraviolet sterilization and disinfection process, microwave sterilization and disinfection and other processes according to different places.

In an embodiment, as shown in fig. 3, fig. 3 is another schematic diagram of the internal structure of the sterilization, disinfection and purification apparatus provided by the embodiment of the present invention, the sterilization, disinfection and purification apparatus further includes an electrostatic electret unit 107, the electrostatic electret unit 107 is disposed between the sub-high efficiency filter 1033 and the adsorption and separation unit 104, and is used for performing electrostatic treatment on the electret air filtering material constituting the sub-high efficiency filter and/or the adsorption and separation unit, and periodically adding an electrostatic charge effect to the electret meltblown cloth filtering material constituting the sub-high efficiency filter and/or the adsorption and separation unit, so as to improve the filtering efficiency by using the method of the electret filtering material for keeping static electricity, and keep the filtering efficiency at 99.9% to 99.99%. I.e., to KN95 standard or above.

Fig. 4 is the embodiment of the utility model provides an internal structure schematic diagram of absorption separation unit, as shown in fig. 4, in this embodiment, sterilization unit 105 comprises ozone sterilization device, ozone sterilization device is provided with a plurality of ozone diffusion distributing pipes 1051, inside air circulation unit 106 includes inner loop fan 1061, exhaust column 1062, suction opening 1063, return air pipe 1065 and return air inlet 1064 for realize ozone sterilization device's internal gas circulation, this internal circulation unit's structure is arranged in the filter unit equally. Correspondingly, if a microwave sterilization device is adopted, a microwave radiation distribution pipe is arranged, if an ultraviolet sterilization device is adopted, an ultraviolet pipe is arranged, and the difference lies in that the ultraviolet pipe can be uniformly arranged in the inner space of the adsorption and separation unit.

Fig. 5 is the embodiment of the present invention provides a block diagram of the whole framework of a dynamic filtering and static sterilizing and disinfecting air purifying system of a central air conditioner, as shown in fig. 5, which is composed of a first sterilizing and disinfecting and purifying device 100 and a second sterilizing and disinfecting and purifying device 200 which are arranged in parallel and an air circulating device, wherein the air circulating device comprises: a clean air adjusting valve 301, a circulation adjusting valve 302, an air exhaust adjusting valve 303, a main air conditioner 304, an air supply fan 305, an air duct and a circulation fan 306, wherein the air duct includes an air supply pipe 307 and a return air pipe 308, wherein the first sterilization and disinfection and purification device 100 and the second sterilization and disinfection and purification device 200 supply clean air into the main air conditioner 304, the air conditioned by the main air conditioner 304 is supplied into an indoor space (two indoor spaces, namely an indoor space 309 and an indoor space 310, are shown in the figure, and it is only required to illustrate that the indoor spaces may further include a plurality of indoor spaces) through the air supply fan 305 via the air supply pipe 307, the air in the indoor space is partially discharged into the atmosphere through the return air pipe 308 by the circulation fan 306, and a part of the air is mixed with the supplemented clean air and then is supplied into the first sterilization and disinfection and purification device or the second sterilization and disinfection and purification, the discharge air adjusting valve 303 is used to control the amount of air discharged into the atmosphere, the circulation adjusting valve 302 is used to control the amount of circulation air, and the clean air adjusting valve 301 is used to adjust the amount of clean air additionally introduced.

The central air conditioning dynamic filtration that provides in this scheme, static disinfection and isolation air purification system that disinfects can realize dynamic filtration and static disinfection and isolation, and first disinfection and isolation equipment and the second disinfection and isolation equipment that disinfects respectively controls the switching of the valve of disposing separately when according to different operation procedures specific, and the example is as follows:

when air treatment is needed, if the valve of the first sterilization, disinfection and purification device is controlled to be opened in a first preset time period (for example, from 7 am to 19 pm), the control mode can be automatically controlled through the arranged control unit and can also be manually controlled, at the moment, the first sterilization, disinfection and purification device filters air through the internally integrated filter unit, and the second sterilization and disinfection device does not work. In a second preset time period (for example, from 19 pm to 21 pm), controlling the valve of the first sterilization and disinfection purification device to close, starting the sterilization and disinfection program of the first sterilization and disinfection device, and simultaneously controlling the valve of the second sterilization and disinfection purification device to open, at this time, the second sterilization and disinfection purification device is used to implement the filtration treatment of the air, when the second preset time period reaches a time threshold (for example, 7 am of the next day), the first sterilization and disinfection purification device in a standby state starts the filtration adsorption and purification operation program again, at this time, because the sterilization and disinfection treatment is completed, the obtained air is clean air after the filtration treatment and the sterilization and disinfection treatment, at this time, the second sterilization and disinfection device is controlled to perform the sterilization and disinfection treatment, the valve is closed, the air filtration treatment is not performed, and at a third preset time period (for example, 7 am to 9 pm), and starting a sterilization and disinfection running program of the second sterilization, disinfection and purification equipment, thereby controlling the running in a reciprocating way. It should be noted that the preset time period is exemplary and can be adjusted according to actual situations. In the scheme, the equipment after sterilization and disinfection is put into operation again, two sets of sterilization and disinfection equipment in one system are configured, alternately and intermittently operate, one for each other and one for each other, and are not the scheme of simultaneous treatment of sterilization, disinfection and filtration, and the sterilization and disinfection are not started at all time, so that the problem of high energy consumption caused by sterilization and disinfection treatment is solved, and the long-term safe and stable operation of the whole central empty-sleeve system under the conditions of ensuring safety and effectively preventing cross infection is ensured.

The central air conditioning dynamic filtration that this scheme provided, the loop configuration that static disinfection air purification system that disinfects formed contains two sets of parallelly connected, one uses one and is equipped with, each other is reserve filter unit, adsorb separation unit and rather than corresponding supporting disinfection unit that disinfects, filter unit contains the coarse effect of filtering dust and micronic dust granule, well effect, inferior high efficiency filter, it can effectively separate the bacterium virus to adsorb separation unit, disinfection unit has the high-efficient ability of killing to different virus bacterium of disinfecting, three device is the connection fastener each other, circulation pipeline and annex, the business turn over pipeline of connecting between the system exit, the air intake, air exit and emergent safe discharge valve. The dynamic filtering and static sterilizing air purifying system adopts the optimized purifying technology for the air containing dust, PM2.5 micro-dust and virus and bacteria, and carries out ultimate purification, thereby meeting the quality requirement of the gas used by the central air conditioner, realizing the final aim of effectively preventing cross infection and ensuring the safety of people in public places.

The scheme creatively provides a brand-new treatment framework for ensuring sterilization and disinfection of the central air conditioner, and the air system which is required by the central air conditioner and provides absolute safety for people moving about is subjected to limit purification through the dynamic filtration and static sterilization and disinfection air purification system of the central air conditioner, so that the air is safely and effectively purified, and the purified gas returns to the system again, and the cycle is repeated, so that the gas is recycled, the influence on the surrounding environment is thoroughly eliminated, the safety worry of people is eliminated, and the social harmony is realized. Compared with the prior art: effectively solves the problems of filtration, purification, sterilization and disinfection of the system; the cross infection is avoided, and the panic psychology of the masses is eliminated; the modular structure improves the production and installation efficiency of the equipment; the wasted energy is recycled to the maximum extent, and the energy consumption of the system is reduced; the system layout is optimized, the operation cost is reduced, and the ventilation environment and the ecological environment are improved. The environmental benefit, the social benefit and the economic benefit complement each other!

Fig. 6 is a flow chart of the air purifying method of dynamic filtration, static sterilization and disinfection of the central air conditioner provided by the present invention, as shown in fig. 6, including the following steps:

step S101, in a first preset time interval, starting first sterilization, disinfection and purification equipment to filter air, and closing second sterilization, disinfection and purification equipment.

And S102, in a second preset time interval, closing the first sterilization and disinfection purification equipment, sterilizing and disinfecting the internal filtering unit and the adsorption and separation unit, and opening the second sterilization and disinfection purification equipment to filter air.

And step S103, stopping the sterilization and disinfection treatment of the first sterilization and disinfection purification equipment on the internal air when the second preset time period reaches a time threshold.

And S104, in a third preset time interval, starting the first sterilization and disinfection purification equipment to filter air, closing the second sterilization and disinfection purification equipment, and performing sterilization and disinfection treatment on the internal filtering unit and the adsorption and separation unit.

And S105, in a fourth preset time period, starting an electrostatic electret device, carrying out electrostatic treatment on an electret air filtering material forming a sub-high efficiency filter and/or an adsorption and separation unit filtering layer in the first sterilization and disinfection and purification equipment or the second sterilization and disinfection and purification equipment, and adding an electrostatic charge effect.

The fourth preset time period may coincide with any one of the first preset time period, the second preset time period, and the third preset time period.

In the scheme, firstly, air to be purified enters a system filtering unit, dust particles, particles and partial bacteria in the air are filtered, the filtered clean air and the adsorption and separation unit containing a small amount of particles and virus bacteria enter the adsorption and separation unit, the adsorption and separation unit made of materials with good adsorption and separation capacity can filter, adsorb and separate the virus bacteria in the air to obtain effective separation, so as to prevent cross infection of a crowd activity space, when the air continuously works to a set time interval, an inlet and outlet valve is closed, another set of standby device is opened, then a sterilization and disinfection system is started, sterilization and disinfection in different time intervals are set according to the sterilization and disinfection requirements on the virus bacteria, the sterilization and disinfection are finished, the air enters a standby state, two sets of devices are used, standby each other, dynamic filtration and static sterilization and disinfection are carried out, so that the sterilization and disinfection effects are ensured, and the cross infection is, and the system configuration is optimized, the installed capacity is reduced, and the operating cost is reduced.

The air treated by the system enters an air processor, exchanges heat with a cooling medium to reduce the temperature, becomes air with proper temperature in the indoor space, passes through an air supply fan, is distributed and delivered to a required space through an air delivery pipeline and is delivered into a room through an air delivery port of the room to ensure that the room keeps a certain temperature, then the air is discharged from the room through the air return inlet and collected into the air return pipeline, a part of air is adjusted by the exhaust valve through the circulating fan and is discharged to the atmospheric environment, the other part of air passes through the air return adjusting valve, after being mixed with the supplemented fresh air, the fresh air passes through an air filter of the dynamic filtering and static sterilizing device again to filter dust particles and particles brought by the fresh air in the air, and the filtered clean air enters the adsorption and separation unit again to remove viruses and bacteria and then enters the air conditioning processor to realize the circulation of the process.

The dynamic filtration of central air conditioning, the advanced disinfection theory and the ingenious configuration of adoption of static disinfection and isolation air purification system, realized the effectual disinfection and isolation system that disinfects to extensive air purification system, no matter adopt the chemical process of ozone sterilization and isolation, still ultraviolet, the physics disinfection and isolation technology of microwave, make disinfection and isolation intensity and dwell time realize perfect unity, the sterilizing and isolating device scale is little, the equipment volume is miniaturized, installed power is low, with the most ideal installed power, the most reasonable equipment, realize effectual disinfection and isolation effect, thoroughly subvert the traditional thinking of current disinfection and isolation theory, be adapted to the dynamic filtration in central air conditioning field, static disinfection and isolation air purification system, the perfect combination of traditional air purification and disinfection and isolation has been realized.

It should be noted that, in the embodiment of the above central air conditioning dynamic filtering and static sterilization and disinfection air purification system, the included units and modules are only divided according to functional logic, but not limited to the above division, as long as the corresponding functions can be realized; in addition, specific names of the functional units are also only for convenience of distinguishing from each other, and are not used to limit the scope of the embodiments of the present invention.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the embodiments of the present invention are not limited to the particular embodiments described herein, but are capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the embodiments of the invention. Therefore, although the embodiments of the present invention have been described in greater detail through the above embodiments, the embodiments of the present invention are not limited to the above embodiments, and many other equivalent embodiments can be included without departing from the concept of the embodiments of the present invention, and the scope of the embodiments of the present invention is determined by the scope of the appended claims.

Claims

1. Central air conditioning dynamic filtration, static disinfection and isolation air purification system, its characterized in that, the system includes:

first disinfection and purification equipment, second disinfection and purification equipment and air cycle equipment disinfect, first disinfection and purification equipment with the second disinfect the parallelly connected configuration of disinfection and purification equipment, with air cycle equipment links to each other for carry out filtration processing and disinfection and purification processing of disinfecting to the air, wherein, first disinfection and purification equipment disinfect with the second disinfect the switching of the valve of disinfection and purification equipment control respectively when according to different operation procedures, first disinfection and purification equipment disinfect with the second disinfect disinfection and purification equipment include filter unit, absorption separation unit, static electret unit, disinfection and purification unit and inside air cycle unit respectively, filter unit is arranged in filtering dust and particle in the air, absorption separation unit is used for adsorbing virus bacterium, disinfection and purification unit is used for to the virus bacterium that absorption separation unit adsorbs disinfects the disinfection and processing, the air circulation equipment is used for realizing air circulation of a central air-conditioning dynamic filtering and static sterilization and disinfection air purification system, and the internal air circulation unit is respectively used for realizing internal gas circulation of the first sterilization and disinfection and purification equipment and the second sterilization and disinfection and purification equipment during a sterilization and disinfection operation program.

2. The system as claimed in claim 1, further comprising a control unit, wherein the control unit is configured to control the valve of the first disinfection and purification device to open during a first preset time period, control the valve of the first disinfection and purification device to close during a second preset time period, and control the valve of the second disinfection and purification device to open, the first disinfection and purification device performs filtration on air during the first preset time period, perform disinfection and disinfection on the internal filtration unit and the adsorption blocking unit during the second preset time period, and control the disinfection and disinfection unit of the first disinfection and purification device to stop disinfection and disinfection when the second preset time period reaches a time threshold.

3. The system as claimed in claim 2, wherein the filtering unit comprises, in series: the air purifier comprises a coarse filter, a medium-efficiency filter and a sub-high-efficiency filter, wherein the entering air is filtered by the coarse filter, the medium-efficiency filter, the sub-high-efficiency filter and/or the adsorption blocking unit.

4. The system as claimed in claim 3, wherein the adsorption and separation unit and/or the sub-high efficiency filter are connected to the middle efficiency filter, and the filtration layer of the adsorption and separation unit and/or the sub-high efficiency filter are made of electret melt-blown nonwoven fabric, which is used to adsorb and separate the virus and bacteria in the air on the surface of the adsorption and separation material, between the gaps of the adsorption material particles and inside the micropores of the adsorption material.

5. The system as claimed in claim 3, wherein the electrostatic electret unit is disposed in front of the sub-high efficiency filter and/or the adsorption and separation unit, and is used for performing electrostatic treatment on the electret air filtering material of the sub-high efficiency filter and/or the adsorption and separation unit, and periodically adding electrostatic charge effect to the electret meltblown filtering material of the sub-high efficiency filter and/or the adsorption and separation unit.

6. The air purification system of claim 4, wherein the sterilization and disinfection unit comprises any one of an ultraviolet sterilization device, an ozone sterilization device or a microwave sterilization device, and is used for sterilizing and disinfecting bacteria and viruses on the surfaces of the adsorption and separation material, among the gaps of the adsorption material particles and inside the micropores of the adsorption material.

7. The system as claimed in claim 4, wherein the sterilization and disinfection unit kills bacteria and viruses in the coarse filter, the middle filter, the sub-high efficiency filter and/or the adsorption blocking unit.

8. The central air conditioning dynamic filtration, static sterilization, disinfection air purification system of any of claims 1-7, wherein said air circulation equipment comprises: a clean air regulating valve, a circulation regulating valve, an exhaust regulating valve, an air conditioner host, an air supply fan, an air pipeline and a circulation fan, wherein the air pipeline comprises an air supply pipe and a return air pipe, wherein the first sterilization, disinfection and purification equipment and the second sterilization, disinfection and purification equipment send clean air into the air-conditioning main machine, the air adjusted by the air conditioner main machine is sent into the indoor space through the air supply fan and the air supply pipe, the air in the indoor space is discharged into the atmosphere through the circulating fan and part of the return air pipe, and the other part of the air is mixed with the supplementary clean air and then sent into the first sterilization, disinfection and purification equipment or the second sterilization, disinfection and purification equipment, the air exhaust adjusting valve is used for controlling the amount of air exhausted into the atmosphere, the circulation adjusting valve is used for controlling the amount of circulating air, and the clean air adjusting valve is used for adjusting the amount of clean air which is supplemented to enter.

9. The system as claimed in any one of claims 3 to 7, wherein the internal air circulation unit is configured with an internal circulation fan, wherein the internal circulation fan is configured with the coarse filter, the middle filter, the sub-high efficiency filter and the adsorption blocking unit, respectively, for realizing internal air circulation of the first and second sterilization and disinfection and purification devices.