CN111692661A - Air purification, sterilization and disinfection treatment system and method - Google Patents
Air purification, sterilization and disinfection treatment system and method Download PDFInfo
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- CN111692661A CN111692661A CN202010568485.XA CN202010568485A CN111692661A CN 111692661 A CN111692661 A CN 111692661A CN 202010568485 A CN202010568485 A CN 202010568485A CN 111692661 A CN111692661 A CN 111692661A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The embodiment of the invention discloses an air purification, sterilization and disinfection treatment system and a method thereof, wherein the system comprises: mixing unit, primary effect filter unit, oxidative decomposition disinfection static electret adsorption filter unit, cooling unit, flow equalizing unit, heating unit, humidification unit and air supply unit disinfect, oxidative decomposition disinfection static electret adsorption filter unit includes oxidative decomposition disinfection device, static electret device, adsorption filter device and intelligent control device that disinfects. This scheme has realized the disinfection of disinfecting of effective oxidative decomposition to extensive air purification system for oxidative decomposition disinfection intensity of disinfecting and dwell time has realized unifying, and modular oxidative decomposition disinfection degassing unit that disinfects, operating power is little, and the system energy consumption is low, has realized traditional air purification and oxidative decomposition disinfection's perfect combination of disinfecting.
Description
Technical Field
The embodiment of the application relates to the technical field of air treatment, in particular to an air purification, sterilization and disinfection treatment system and method.
Background
Most of the existing central air conditioners are equipped with an air purification system, and the structural principle of the air purification system can refer to fig. 1, and fig. 1 is a schematic view of an air purification structure of a combined air conditioning unit in the prior art. As shown in fig. 1, the fresh air and the return air of the system are mixed and then enter a mixing unit 01, then pass through a primary filtering unit 02 of a primary section, dust particles and particles in the air are filtered, the air after primary filtering enters a secondary filtering unit 03, the further purified air enters a cooling unit 04, the air is subjected to heat energy exchange with a cooling medium, the temperature of the air is reduced, then the air enters a flow equalizing unit 05 for buffering, then the air enters a heating unit 06, finally the air enters a humidifying unit 07 to be changed into air with proper indoor space temperature, humidity and cleanliness, and a fan unit 08 sends the purified and regulated comfortable air to a corresponding space.
The air purification mode among the prior art is difficult to dispose effectual air oxidation decomposition disinfection system that disinfects, and the leading cause is: an effective air oxidative decomposition sterilization and disinfection system, whether chemical or physical, is difficult to achieve dynamic oxidative decomposition sterilization and disinfection for central air conditioning or ventilation large-scale air handling capacity, which is limited by the concentration of the disinfecting substance, or the intensity of the disinfecting radiation, and the contact (residence) time of the gas in the space of the oxidative decomposition sterilization and disinfection device. For example, one of the currently effective chemical disinfection and sterilization methods is an ozone process, in which if sufficient ozone is provided in a unit time, the power of an ozone generator is large enough, and in order to achieve an effective oxidative decomposition 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. Similarly, in the ultraviolet or microwave oxidative decomposition sterilization and disinfection process using physical methods, if sufficient ultraviolet intensity (microwave intensity) is provided in a unit time, the number of ultraviolet lamps and the installed power (power of a microwave generator) need to be large enough, so that in order to achieve effective oxidative decomposition sterilization and disinfection effect, sufficient contact (residence) time is achieved, the space volume of the equipment is large enough, and the process is difficult to achieve in a dynamic process.
Disclosure of Invention
The embodiment of the invention provides an air purification, sterilization and disinfection treatment system and method, which can be used for effectively adsorbing, oxidizing and decomposing VOCs (volatile organic compounds) containing organic molecules in a large-scale air purification system and effectively killing bacteria and viruses in the system, so that the oxidative decomposition, sterilization and disinfection strength and the retention time are unified, a modular oxidative decomposition, sterilization and disinfection device is small in operating power and low in system energy consumption, and the perfect combination of the traditional air purification and oxidative decomposition, sterilization and disinfection is realized.
In a first aspect, an embodiment of the present invention provides an air purification, sterilization and disinfection processing system, including: the device comprises a mixing unit, a primary filtering unit, an oxidative decomposition sterilization static electret adsorption filtering unit, a cooling unit, a flow equalizing unit, a heating unit, a humidifying unit and an air supply unit, wherein the oxidative decomposition sterilization static electret adsorption filtering unit comprises an oxidative decomposition sterilization device, a static electret device, an adsorption filtering device and an intelligent control device, the oxidative decomposition sterilization device is used for oxidatively decomposing VOCs molecules adsorbed on the adsorption filtering device by the adsorption filtering device and killing bacterial viruses adsorbed and blocked on the adsorption filtering device, the static electret device is used for electrostatically immobilizing the adsorption filtering device so as to keep good electrostatic adsorption performance all the time, and the adsorption filtering device is used for adsorbing dust particles in filtered air and bacterial viruses adhered on the dust particles and aerosol, the intelligent control device is used for controlling the air feeder of the air supply unit to be turned on after being turned off, and the oxidative decomposition sterilization device is turned off after the oxidative decomposition sterilization is finished, and the system is controlled to enter a pause or waiting running instruction state.
Optionally, the intelligent control device includes:
the signal receiving module is used for receiving a control instruction of external control equipment;
and the signal processing module is used for analyzing the control instruction and controlling the oxidative decomposition sterilization device and the air supply unit blower to be turned on or off according to the analysis result.
Optionally, the intelligent control device is used for automatically controlling and opening in a first preset time period, the oxidative decomposition sterilization device carries out oxidative decomposition sterilization and disinfection and closes the air feeder of the air supply unit, and automatically closes in a second preset time period the oxidative decomposition sterilization device enters a pause state or a waiting state for an operation instruction.
Optionally, the intelligent control device further includes:
the instruction recording module is used for recording the opening or closing instruction of the air supply unit and the corresponding time;
the signal processing module is also used for determining the opening or closing time of the oxidative decomposition sterilization device according to the data recorded by the instruction recording module and controlling the opening or closing of the oxidative decomposition sterilization device and the blower of the blowing unit at corresponding time.
Optionally, the intelligent control device further includes:
and the scene analysis module is used for determining the opening or closing time of the corresponding oxidative decomposition sterilization device and the corresponding air supply unit blower according to the current scene place, and controlling the opening or closing of the oxidative decomposition sterilization device and the corresponding air supply unit blower at the corresponding time.
Optionally, the adsorption filtration device comprises: electret filter material, active carbon fiber felt which is compounded with the electret filter material according to different use places and has photocatalyst performance and VOCs molecule adsorption, and anti-oxidation filter face protection material.
Optionally, the electrostatic electret device includes an electrostatic generator and an electrostatic electret network, and is configured to perform electrostatic electret treatment on an electret filter material in the adsorption filter device, so that the electret filter material always maintains good electrostatic adsorption performance.
Optionally, the oxidative decomposition sterilization device is an oxidative decomposition sterilization device adopting an ultraviolet light architecture or/and a microwave ultraviolet light architecture with a specific wavelength, and the oxidative decomposition sterilization device adopting the ultraviolet light architecture or/and the microwave ultraviolet light architecture comprises an ultraviolet lamp or/and a microwave ultraviolet lamp and a power supply or/and a microwave excitation power supply.
In a second aspect, an embodiment of the present invention further provides an air purification, sterilization and disinfection processing system, including: the air return inlet, the air return box, the oxidative decomposition sterilization static electret adsorption filtration unit, the cooler and the air supply unit, the oxidative decomposition sterilization static electret adsorption filtration unit comprises an oxidative decomposition sterilization device, a static electret device, an adsorption filtration device and an intelligent control device, the oxidative decomposition sterilization device is used for carrying out oxidative decomposition on VOCs molecules adsorbed and filtered on the adsorption filtration material and killing bacteria and viruses adsorbed and blocked on the adsorption filtration material, the static electret device is used for carrying out static electret treatment on the adsorption filtration device to ensure that the adsorption filtration device always keeps good static adsorption performance, the adsorption filtration device is used for adsorbing dust particles in filtered air and bacteria and viruses attached on the dust particles and aerosol, and the intelligent control device is used for controlling the air supply machine of the air supply unit to be closed, and starting the oxidative decomposition sterilization device, closing the oxidative decomposition sterilization device after the oxidative decomposition sterilization is finished, and controlling the system to enter a pause or waiting operation instruction state.
In a third aspect, an embodiment of the present invention provides an air purification, sterilization and disinfection processing method, including:
the system fresh air and the return air are mixed through a mixing unit;
performing primary filtering on the air mixed in the mixing unit through a primary filtering unit;
then, the air is further filtered and purified by an electrostatic electret adsorption filtering unit for oxidative decomposition, sterilization and disinfection, aerosol-shaped dust particles and bacterial viruses are removed, and clean air is sent to an indoor space; the fan is closed after the set time is reached, and bacterial viruses and VOCs molecules which are filtered and blocked on the adsorption and filtration material are subjected to oxidative decomposition, sterilization and disinfection treatment under a static condition, wherein the oxidative decomposition, sterilization and disinfection electrostatic electret adsorption and filtration unit comprises an oxidative decomposition, sterilization and disinfection device, an electrostatic electret device, an adsorption and filtration device and an intelligent control device, the oxidative decomposition, sterilization and disinfection device is used for performing oxidative decomposition on the VOCs molecules which are adsorbed on the adsorption and filtration material by the adsorption and filtration device and killing the bacterial viruses which are adsorbed and blocked on the adsorption and filtration material, the electrostatic electret device is used for performing electrostatic electret treatment on the adsorption and filtration device to keep the adsorption and filtration device with good electrostatic adsorption performance all the time, and the adsorption and filtration device is used for adsorbing dust particles in filtered air and bacterial viruses which are adsorbed on the dust particles and aerosol, the intelligent control device is used for controlling the air feeder of the air supply unit to be turned off, then turning on the oxidative decomposition sterilization device, turning off the oxidative decomposition sterilization device after the oxidative decomposition sterilization is finished, and controlling the system to enter a pause or waiting operation instruction state;
the air after adsorption filtration treatment is cooled by the cooling unit, enters the flow equalizing unit for buffering, enters the heating unit for heating and the humidifying unit for humidifying, and is sent back to the inside of the space by the air supply unit.
This scheme, air purification disinfection processing system adopts advanced oxidative decomposition disinfection theory and ingenious configuration of disinfecting, the effectual oxidative decomposition of VOCs molecule to extensive air purification system has been realized, effectively kill the bacterium virus, make oxidative decomposition disinfection intensity and dwell time realize perfect unity, the modularization of oxidative decomposition disinfection device, operating power is little, the system energy consumption is low, with the installed power of ideal, the most reasonable equipment configuration, realize effectual oxidative decomposition disinfection effect of disinfecting, thoroughly subvert current air purification disinfection processing system's design theory and traditional thinking, dynamic filtration that is adapted to central air conditioning or ventilation field purifies, static oxidative decomposition disinfection of disinfecting, thereby traditional air purification and oxidative decomposition disinfection's perfect combination has been realized.
Drawings
Fig. 1 is a schematic view of an air purification structure of a combined air conditioning unit in the prior art;
FIG. 2 is a block diagram schematically illustrating an air purification, sterilization, disinfection and treatment system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an electrostatic electret adsorption filtration unit for oxidative decomposition sterilization and disinfection provided by an embodiment of the present invention;
FIG. 4 is a block diagram schematically illustrating another air purifying, sterilizing and disinfecting system according to an embodiment of the present invention;
fig. 5 is a flowchart of an air purification, sterilization and disinfection method according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad invention. It should be further noted that, for convenience of description, only some structures, not all structures, relating to the embodiments of the present invention are shown in the drawings.
Fig. 1 is a schematic view of a combined air conditioning unit air purification structure in the prior art, as shown in fig. 1, the fresh air and the return air of the system are mixed and then enter a mixing unit 01, then pass through a primary filtering unit 02 of a primary section, filter dust particles and particles in the air, the air after primary filtering enters a secondary filtering unit 03, the further purified air enters a cooling unit 04 again, and then is subjected to heat energy exchange with a cooling medium, the temperature of the air is reduced, then the air enters a flow equalizing unit 05 for buffering, then enters a heating unit 06, and finally enters a humidifying unit 07, so that the air becomes air with appropriate indoor space temperature, humidity and cleanliness, and a fan unit 08 sends the purified and adjusted comfortable air to a corresponding space.
The scheme in the prior art is difficult to configure an effective air oxidation decomposition sterilization disinfection system, so the embodiment of the invention improves the scheme. Also, in order to provide sufficient ultraviolet intensity (microwave intensity) in a unit time by adopting a physical method, the number of ultraviolet lamps and the installed power (power of a microwave generator) are required to be large enough, so that an effective oxidative decomposition sterilization effect is achieved, sufficient contact (retention) time is achieved, the space volume of the equipment is large enough, and the dynamic process is difficult to achieve. Therefore, aiming at the symptoms which cannot be solved by the traditional thinking of the existing sterilization and disinfection concept, the air purification system in the fields of dynamic filtration and purification, static oxidative decomposition sterilization and disinfection air treatment or ventilation is provided, and the following specific introduction is provided.
Fig. 2 is a schematic block diagram of an air purification, sterilization and disinfection system according to an embodiment of the present invention, which is applicable to a cabinet air conditioning unit, and as shown in fig. 2, the system includes a mixing unit 01, a primary filtering unit 02, an oxidative decomposition, sterilization and disinfection electrostatic electret adsorption and filtration unit 100, a cooling unit 04, a current equalizing unit 05, a heating unit 06, a humidification unit 07, and an air supply unit 08, wherein the oxidative decomposition, sterilization and disinfection electrostatic electret adsorption and filtration unit 100 includes an oxidative decomposition, sterilization and disinfection apparatus 101, an electrostatic electret apparatus 102, an adsorption and filtration apparatus 103, and an intelligent control apparatus 104, wherein the oxidative decomposition, sterilization and disinfection apparatus 101 is configured to perform oxidative decomposition on VOCs molecules adsorbed and blocked by the adsorption and filtration apparatus 103 in the adsorption and filtration material, and sterilize bacteria and viruses adsorbed and blocked in the adsorption and filtration material, and the electrostatic electret apparatus 102 is configured to perform electrostatic electret treatment on the adsorption and filtration apparatus 103, so that the electrostatic adsorption performance is always kept good. The adsorption and filtration device 103 is used for filtering dust particles in air and bacteria and viruses attached to the dust particles and aerosol, the intelligent control device 104 is used for controlling the air blower of the air supply unit to be turned on after the air blower is turned off, and the oxidative decomposition sterilization device is turned off after oxidative decomposition sterilization is finished, and the oxidative decomposition sterilization device is controlled to enter a pause or waiting operation instruction state. The control device 104 may be integrated in a central control panel of the air conditioning unit, and is electrically connected to other devices of the electrostatic electret adsorption filtration unit 100 for oxidative decomposition, sterilization and disinfection.
Fig. 3 shows a specific structure of the electrostatic electret adsorption-filtration unit 100 for oxidative decomposition sterilization, and fig. 3 is a schematic structural view of the electrostatic electret adsorption-filtration unit for oxidative decomposition sterilization, provided by an embodiment of the present invention. Specifically, the oxidative decomposition sterilization apparatus 101 may be an oxidative decomposition sterilization apparatus using an ultraviolet light structure or/and a microwave ultraviolet light structure with a specific wavelength, the ultraviolet light oxidative decomposition sterilization apparatus includes an ultraviolet lamp or/and a microwave ultraviolet lamp and a power supply or/and a microwave excitation power supply, when the power supply is powered on, the ultraviolet oxidative decomposition sterilization apparatus lights up, and performs oxidative decomposition on VOCs molecules adsorbed and blocked in the adsorption filter material by the adsorption filter apparatus 103, to kill bacteria and viruses adsorbed and blocked in the adsorption filter material. The ultraviolet oxidative decomposition sterilization device is provided with the ultraviolet oxidative decomposition sterilization lamp and the power supply system with enough energy according to the air treatment scale, so that VOCs molecules adsorbed and blocked in the adsorption filtering material are subjected to oxidative decomposition in set time under the condition that the system is started, and bacteria and viruses adsorbed and blocked on the surface and in the inner pores of the filtering material are effectively killed.
The electrostatic electret device 102 is composed of an electrostatic electret 1021 and an electrostatic electret mesh 1022, and the adsorption filter device 103 includes an electret filter material layer, an antioxidant filter material facing layer and a VOCs adsorption filtration composite facing material layer. The electrostatic electret web 1022 is used for performing electrostatic electret treatment on the electret filter material layer, so that the electret filter material layer always keeps good electrostatic adsorption performance. The electret filter material layer is processed by an electrostatic electret device and then has a voltage of thousands of volts, fibers are diffused into net-shaped holes due to the repulsion action of static electricity, and the size among the fibers is far larger than that of dust, so that an open structure is formed. When dust passes through the electret filter material layer, the electrostatic effect can not only effectively attract charged dust particles, but also capture polarized neutral particles by the electrostatic induction effect. The higher the electrostatic potential of the material, the higher the charge density of the material, the more point charges, and the stronger the electrostatic action. Increased filtration efficiency, reduced filtration resistance, increased fiber surface charge density, and increased web charge storage capacity), thereby efficiently filtering and adsorbing PM2.5 fine dust particles in the gas and bacterial viruses carried on these carriers all the time, and isolating the cross-infection and transmission channels of the bacterial viruses.
The intelligent control device 104 is used for intelligently controlling the opening and closing of the oxidative decomposition sterilization and disinfection device.
Specifically, according to the use characteristics and the work and rest rules of people in different places and different spaces for air treatment, the operation data is logically analyzed, so that the operation time of the static oxidative decomposition sterilization module for air treatment is automatically or manually set, and under the condition that the air purification is implemented on the served space by air treatment, the oxidative decomposition sterilization device is timely started to perform oxidative decomposition sterilization operation. Namely, the air purification and regulation and the oxidative decomposition and sterilization are organically unified, the air purification and regulation are carried out at most of time, the oxidative decomposition and sterilization are carried out at night or in working running gaps, the function of air regulation is ensured, the intermittent or staged oxidative decomposition and sterilization of the filtering device of the cabinet type air-conditioning and ventilation place are realized, the harm of bacteria and viruses is eliminated, the purposes of dynamic filtration and purification and static oxidative decomposition and sterilization are realized, the difficult problems of air purification and oxidative decomposition and sterilization of the existing full air type central air-conditioning system and the ventilation place are perfectly solved, and the oxidative decomposition and sterilization at a specific period, under a specific condition and in a specific place are eliminated, thoroughly eradicates the cross infection of infectious virus and bacteria, eliminates the fear of people, realizes the social stability and harmony, and ensures that people invest in normal life and production activities.
In one embodiment, the intelligent control device comprises: the signal receiving module is used for receiving a control instruction of external control equipment; and the signal processing module is used for analyzing the control instruction and controlling the oxidative decomposition sterilization device and the air supply unit blower to be turned on or off according to the analysis result. For example, the user may send a control command, such as a control command for turning on the oxidative decomposition sterilization device, through the remote control device, and after the intelligent device receives the command, the blower of the blower unit is turned off, and the oxidative decomposition sterilization device is turned on to perform oxidative decomposition sterilization. Correspondingly, the control instruction can also be a control instruction for closing oxidative decomposition sterilization and disinfection, and after the intelligent control device receives the control instruction for closing oxidative decomposition sterilization and disinfection, the oxidative decomposition sterilization and disinfection device is closed, and the oxidative decomposition sterilization and disinfection is stopped. For example, after the oxidative decomposition sterilization and disinfection are stopped, the intelligent control device can control the system to enter a pause state, i.e. stop the air supply and sterilization work, or enter a state of waiting for an operation instruction to wait for a subsequent control instruction of a user to perform corresponding operation state switching.
In another embodiment, the intelligent control device is used for automatically controlling to open the oxidative decomposition sterilization device for oxidative decomposition sterilization and disinfection in a first preset time period, close the blower of the blower unit, and automatically close the oxidative decomposition sterilization and disinfection in a second preset time period, so as to enter a pause or waiting operation instruction state. For example, the oxidative decomposition sterilization time period and the air supply time period of the air purification system can be preset, when the oxidative decomposition sterilization time period is in the oxidative decomposition sterilization, the oxidative decomposition sterilization and disinfection function is started, the air supply unit is stopped, and when the air supply time period is in the air supply, the operation of the air supply unit is started, and the oxidative decomposition sterilization and disinfection of the oxidative decomposition sterilization and disinfection unit is stopped.
In another embodiment, the intelligent control device further comprises: the instruction recording module is used for recording the opening or closing instruction of the air supply unit and the corresponding time; the signal processing module is also used for determining the opening or closing time of the oxidative decomposition sterilization device according to the data recorded by the instruction recording module and controlling the opening or closing of the oxidative decomposition sterilization device and the blower of the blowing unit at corresponding time. Illustratively, the intelligent control device records instruction operation of a user, automatically learns a time period corresponding to oxidative decomposition sterilization and air supply according to a recording result, and executes a corresponding dynamic filtration purification or static sterilization function in the corresponding time period.
In another embodiment, the intelligent control device further comprises: and the scene analysis module is used for determining the opening or closing time of the corresponding oxidative decomposition sterilization device and the corresponding air supply unit blower according to the current scene place, and controlling the opening or closing of the oxidative decomposition sterilization device and the corresponding air supply unit blower at the corresponding time. For example, in the hotel scene, when a tenant leaves or goes out, the oxidative decomposition sterilization function is started, and when the tenant leaves or returns to the room, the oxidative decomposition sterilization function is closed, and the air supply function is started. Illustratively, the intelligent control device can receive instruction information of the room entrance and the room exit sent by the hotel system platform or the room entrance guard device, and execute a corresponding control strategy of dynamic filtration and purification and static sterilization and disinfection according to the instruction information.
In another embodiment, the air purification, sterilization and disinfection processing system configuration in special seasons and time periods further comprises a bacterial virus detection sensing unit for detecting the concentration of the bacterial virus adsorbed and blocked on the adsorption and filtration material, the intelligent control device is used for starting the oxidative decomposition, sterilization and disinfection device according to the bacterial virus concentration detected by the bacterial virus detection sensing unit, and after the oxidative decomposition, sterilization and disinfection is finished, the oxidative decomposition, sterilization and disinfection device is closed, and the system is controlled to enter a pause or waiting operation instruction state. Illustratively, when the intelligent control device determines that the concentration of the bacteria and viruses detected by the bacteria and virus detection sensing unit is greater than a preset concentration value a, the oxidative decomposition sterilization device is started, after sterilization is finished, the oxidative decomposition sterilization device is closed, and the system is controlled to enter a pause or waiting operation instruction state.
In another embodiment, the intelligent control device includes: the positioning module is used for acquiring the current position information or the place information of the air purification, sterilization and disinfection treatment system; and the positioning processing module is used for determining a corresponding control strategy of the air supply unit according to the current position information or the place information, starting the oxidative decomposition sterilization device according to the control strategy of the air supply unit, closing the oxidative decomposition sterilization device after the oxidative decomposition sterilization is finished, and controlling the system to enter a pause or waiting operation instruction state. Specifically, different geographical position and different places correspond in advance and have corresponding air feeder unit control strategy, because different geographical position (south, north, basin, china) and different individual places (hotel, hospital) need adapt to different disinfection environment that disinfects, therefore this scheme pertinence adaptation has multiple different air feeder unit control strategy, intelligent control device accomplishes the back through the orientation module, automatic matching corresponding air feeder unit control strategy, exemplarily, air feeder unit control strategy includes the time of opening oxidative decomposition sterilizing device, and the time that corresponding oxidative decomposition sterilizing device lasts work, the time of closing oxidative decomposition sterilizing device etc..
Fig. 4 is a schematic block diagram of another air purification, sterilization and disinfection system provided in an embodiment of the present invention, which is suitable for a central air conditioning system of fan coil and air pipe blowing type, and includes: an air return opening 300, an air return box 301, an oxidative decomposition sterilization electrostatic electret adsorption filtration unit 302, a cooler 303 and an air supply unit, wherein the air supply unit comprises a fan 3041, a chilled liquid conduit 3042 and a cold air outlet 3043, the oxidative decomposition sterilization electrostatic electret adsorption filtration unit 302 comprises an oxidative decomposition sterilization device 3021, an electrostatic electret 3022, an adsorption filtration device 3023 and an intelligent control device 3024, the oxidative decomposition sterilization device 3021 is used for performing oxidative decomposition on VOCs molecules adsorbed and blocked in the adsorption filtration material by the adsorption filtration device 3023 and killing bacteria and viruses adsorbed and blocked in the adsorption filtration material, the electrostatic electret 3022 is used for performing electrostatic electret treatment on the adsorption filtration device 3023 to keep good electrostatic adsorption performance all the time, the adsorption filtration device 3023 is used for filtering dust particles in the air and bacteria and viruses attached to the dust particles and aerosol, the intelligent control device 3024 is used for controlling the blower of the air supply unit to be turned off, turning on the oxidative decomposition sterilization device, turning off the oxidative decomposition sterilization device after the oxidative decomposition sterilization is finished, and controlling the system to enter a pause state or a waiting state for an operation instruction. The working process and the specific internal structure of the electrostatic electret adsorption filter unit 302 for oxidative decomposition, sterilization and disinfection are described in the foregoing embodiments, and are not described herein again.
It should be noted that the air purification, sterilization and disinfection system provided in the above example is respectively directed to a combined air conditioning unit, a fan coil and a wind pipe blowing type central air conditioning unit, and other types such as a horizontal hanging air conditioning unit, a vertical air conditioning unit and any type of air conditioning unit, and all use the oxidative decomposition, sterilization and disinfection electrostatic electret adsorption and filtration unit provided in the above embodiment to fall into the protection scope of the present patent.
The scheme is characterized in that the core is an oxidative decomposition sterilization disinfection device, an electrostatic electret device, an adsorption filtration device and an intelligent control device which operate under a static state, the air purification sterilization disinfection treatment system has special adsorption filtration and separation capabilities on tiny particle dust, bacteria and viruses, the oxidative decomposition sterilization disinfection device comprises an oxidative decomposition sterilization process device and a matched intelligent control device, the oxidative decomposition sterilization disinfection process device has oxidative decomposition capabilities on different VOCs molecules and has efficient killing capabilities on viruses and bacteria, and the dynamic filtration purification, static oxidative decomposition sterilization air purification sterilization disinfection treatment system adopts a purification technology with optimized configuration on air containing the VOCs molecules, dust, PM2.5 tiny dust and virus bacteria, so that the quality requirement of air used by the central air conditioner is met; thereby effectively preventing the occurrence of cross infection and ensuring the safety of people in public places.
The air purification, sterilization and disinfection treatment system provided by the embodiment of the invention creatively provides a brand-new treatment framework for guaranteeing the oxidative decomposition, sterilization and disinfection of the central air conditioner and the ventilation and air exchange space, and through the air purification, sterilization and disinfection treatment system, the optimal purification is carried out on the air system which is needed by the central air conditioner and the ventilation and air exchange space and is used for guaranteeing the safety of the active people, the influence on the surrounding environment is eliminated, the safety worry of people is eliminated, and the social harmony is realized.
Compared with the prior art, the problems of filtration and purification, oxidative decomposition, sterilization and disinfection of the system are effectively solved; the cross infection is avoided, and the panic psychology of the masses is eliminated; the energy consumption of the system is reduced to the maximum extent through intelligent control; 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; modular structure improves equipment production and installation efficiency.
Fig. 5 is a flowchart of an air purifying, sterilizing and disinfecting method according to an embodiment of the present invention, where the method includes:
and S501, mixing the fresh air and the return air of the system through a mixing unit.
And step S502, performing primary filtering on the air mixed in the mixing unit through the primary filtering unit.
And S503, further filtering and purifying the primarily filtered air by an oxidative decomposition sterilization static electret adsorption filtration unit, removing aerosol-shaped dust particles and bacterial viruses, sending the clean air to an indoor space, turning off a fan after a set time is reached, and performing oxidative decomposition sterilization treatment on the bacterial viruses and VOCs molecules filtered and blocked on the adsorption filtration material under a static condition.
Wherein the oxidative decomposition sterilization electrostatic electret adsorption filtration unit comprises an oxidative decomposition sterilization device, an electrostatic electret device, an adsorption filtration device and an intelligent control device, the oxidative decomposition sterilization and disinfection device is used for sterilizing and killing the bacteria and viruses adsorbed and blocked by the adsorption and filtration device, the electrostatic electret device is used for performing electrostatic electret treatment on the adsorption and filtration device to ensure that the adsorption and filtration device always keeps good electrostatic adsorption performance, the adsorption and filtration device is used for adsorbing and filtering dust particles in the air and bacterial viruses attached to the dust particles and aerosol, the intelligent control device is used for controlling the oxidative decomposition sterilization device to be started after the air feeder of the air feeding unit is closed, after the oxidative decomposition sterilization and disinfection is finished, closing the oxidative decomposition sterilization and disinfection device, and controlling a system to enter a pause or waiting operation instruction state;
and S504, cooling the air subjected to oxidative decomposition, sterilization and disinfection by the oxidative decomposition, sterilization and disinfection electrostatic electret adsorption and filtration unit by the cooling unit.
And step S505, the cooling gas enters the flow equalizing unit for buffering, enters the heating unit for heating, enters the humidifying unit for humidifying and then is sent back to the inside of the space through the air supply unit.
The method provided by the embodiment relies on the oxidation decomposition sterilization static electret adsorption filtration unit in the specially arranged air purification sterilization treatment system.
To sum up, the structural feature in this scheme: the middle-efficiency efficient filter of the traditional air treatment unit with different combination forms is optimized and transformed into an oxidative decomposition sterilization disinfection, electrostatic electret and adsorption filtration combined standard module, and the system adopts a modularized assembling structure and is suitable for air treatment and ventilation oxidative decomposition sterilization purification systems with different treatment scales.
The technical principle of the scheme is as follows: firstly, VOCs molecules and viruses and bacteria are adsorbed and blocked in micropores on the surface and inside the adsorption filter layer, then a static sterilization and disinfection mode is adopted, dosage and strength are increased, and an ultraviolet catalytic oxidative decomposition sterilization and disinfection process is selected to carry out oxidative decomposition on the VOCs molecules and effectively kill the bacteria and the viruses. The traditional air treatment or ventilation and air exchange system is basically provided with a coarse-effect and medium-effect filtering device, the main function of the traditional air treatment or ventilation and air exchange system is to filter and remove dust particles and particles in air, so that viruses and bacteria in the air cannot be effectively killed, and the strength and the contact time of oxidative decomposition sterilization equipment are important factors determining the killing effect of the bacteria and the viruses. For chemical disinfection (alcohol, disinfectant and ozone), the concentration of an effective disinfectant and the effective time of contacting the disinfectant in a disinfection space are required, for physical oxidative decomposition disinfection, such as ultraviolet and microwave, the emission (generation) power of an installation machine and the enough residence time in a radiation space are required, and the air volume for processing the systems requiring oxidative decomposition disinfection is too large in scale, so that a huge equipment system is not arranged in a sufficient space; if the physical method is used for oxidizing, decomposing, sterilizing and disinfecting, the installation and operation power of the equipment is also quite remarkable, and most places are difficult to bear and cannot realize unless special places are used. The air purification, sterilization and disinfection treatment system thoroughly overcomes the existing defects of the traditional central air conditioner or space ventilation, oxidation, decomposition, sterilization and disinfection device. Not only effectively separates almost all known virus and bacteria from the activity space of people, ensures the safety of the space, thoroughly prevents cross infection, but also can thoroughly kill the bacteria and the viruses. The air purification sterilization disinfection treatment system separates the filtration, the obstruction and the oxidative decomposition sterilization disinfection of bacteria and viruses, does not increase the equipment investment of the existing system too much, and perfectly solves the problem which can not be solved by the existing system.
The protection of the scheme is mainly that: the design concept of dynamic filtration and purification, static oxidative decomposition and sterilization and disinfection, and the adoption of an electrostatic electret method, the concept and the structural characteristics of the filter material which always keeps good electrostatic adsorption and filtration performance, the ultraviolet oxidative decomposition and sterilization and disinfection configuration and the intelligent control logic characteristics. During normal operation, can filter and adsorb the air, with the dust granule in the air, trace organic waste gas, the effective separation is carried out to the bacterium virus, effectively prevents crowd's activity space's cross infection, works to the period of setting for when continuous operation, starts oxidative decomposition disinfection system that disinfects when quiet or the system rest of night, according to the requirement of killing to the virus bacterium, sets for the oxidative decomposition disinfection of different periods, kills the completion, gets into the stand-by state.
The scheme has the advantages and characteristics that: the killing system has the advantages of high installed power, high strength, intermittent operation, short working time, low operation power consumption, low energy consumption, energy conservation, environmental protection, safety and excellent comprehensiveness, and is suitable for all central air conditioners and ventilation places. An intelligent logic control device is configured, and the optimal oxidative decomposition sterilization disinfection time is selected in due time by utilizing the data analysis of the running state, so that the bacteria and viruses are effectively killed, and the cross infection is effectively prevented. The running cost is reduced to the maximum extent under the condition of not influencing the running of the air conditioning system.
The applicable places of this scheme: is suitable for centralized or semi-centralized air-conditioning systems, in particular for infectious disease hospitals and places with high requirements on preventing cross infection. Is also suitable for large-scale intensive production and living places. Such as clean rooms, industrial production shops, conference rooms (rooms), exhibition halls, museums, airports, station waiting places, hotels, restaurants, etc.
It should be noted that, in the embodiment of the air purification, sterilization and disinfection processing system, the included units and modules are only divided according to the 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 only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the embodiment of the invention.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. Those skilled in the art will appreciate that the embodiments of the present invention are not limited to the specific embodiments described herein, and that various obvious changes, adaptations, and substitutions are possible, without departing from the scope of the embodiments of the present invention. Therefore, although the embodiments of the present invention have been described in more detail through the above embodiments, the embodiments of the present invention are not limited to the above embodiments, and many other equivalent embodiments may 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 (10)
1. Air purification sterilization disinfection processing system characterized in that, the system includes: the device comprises a mixing unit, a primary filtering unit, an oxidative decomposition sterilization static electret adsorption filtering unit, a cooling unit, a flow equalizing unit, a heating unit, a humidifying unit and an air supply unit, wherein the oxidative decomposition sterilization static electret adsorption filtering unit comprises an oxidative decomposition sterilization device, a static electret device, an adsorption filtering device and an intelligent control device, the oxidative decomposition sterilization device is used for oxidatively decomposing VOCs molecules adsorbed by the adsorption filtering device and killing bacteria and viruses adsorbed and blocked on adsorption filtering materials, the static electret device is used for performing static electret treatment on the adsorption filtering device to keep the adsorption filtering device always with good static adsorption performance, and the adsorption filtering device is used for adsorbing dust particles in filtered air and bacteria and viruses attached to the dust particles and aerosol, the intelligent control device is used for controlling the air feeder of the air supply unit to be turned on after being turned off, and the oxidative decomposition sterilization device is turned off after the oxidative decomposition sterilization is finished, and the system is controlled to enter a pause or waiting running instruction state.
2. The air purification, sterilization and disinfection processing system of claim 1, wherein said intelligent control device comprises:
the signal receiving module is used for receiving a control instruction of external control equipment;
and the signal processing module is used for analyzing the control instruction and controlling the oxidative decomposition sterilization device and the air supply unit blower to be turned on or off according to the analysis result.
3. The air purification, sterilization and disinfection processing system according to claim 2, wherein the intelligent control device is configured to automatically control to turn on the oxidative decomposition sterilization and disinfection device for oxidative decomposition sterilization and disinfection, turn off the blower of the blower unit, and turn off the oxidative decomposition sterilization and disinfection device for a second preset time period, so as to enter a state of pause or waiting for an operation instruction.
4. The air purification, sterilization and disinfection processing system of claim 2, wherein said intelligent control device further comprises:
the instruction recording module is used for recording the opening or closing instruction of the air supply unit and the corresponding time;
the signal processing module is also used for determining the opening or closing time of the oxidative decomposition sterilization device according to the data recorded by the instruction recording module and controlling the opening or closing of the oxidative decomposition sterilization device and the blower of the blowing unit at corresponding time.
5. The air purification, sterilization and disinfection processing system of claim 2, wherein said intelligent control device further comprises:
and the scene analysis module is used for determining the opening or closing time of the corresponding oxidative decomposition sterilization device and the corresponding air supply unit blower according to the current scene place, and controlling the opening or closing of the oxidative decomposition sterilization device and the corresponding air supply unit blower at the corresponding time.
6. The air cleaning, sterilizing and disinfecting system according to claim 1, wherein said adsorption filter means comprises: electret filter material, active carbon fiber felt which is compounded with the electret filter material according to different use places and has photocatalyst performance and VOCs molecule adsorption, and anti-oxidation filter face protection material.
7. The air purification, sterilization and disinfection treatment system as claimed in claim 6, wherein said electrostatic electret device comprises an electrostatic generator and an electrostatic electret net, which is used to perform electrostatic electret treatment on the electret filter material in said adsorption filter device, so that the electrostatic adsorption performance is always kept good.
8. The air purification, sterilization, disinfection, and processing system of claim 7, wherein the oxidative decomposition, sterilization, and disinfection apparatus is an oxidative decomposition, sterilization, and disinfection apparatus employing a specific wavelength ultraviolet architecture or/and microwave ultraviolet architecture, the ultraviolet architecture or/and microwave ultraviolet architecture oxidative decomposition, sterilization, and disinfection apparatus includes an ultraviolet lamp or/and microwave ultraviolet lamp and a power supply or/and microwave excitation power supply.
9. Air purification sterilization disinfection processing system characterized in that, the system includes: the air return inlet, the air return box, the oxidative decomposition sterilization static electret adsorption filtration unit, the cooling unit and the air supply unit, the oxidative decomposition sterilization static electret adsorption filtration unit comprises an oxidative decomposition sterilization device, a static electret device, an adsorption filtration device and an intelligent control device, the oxidative decomposition sterilization device is used for carrying out oxidative decomposition on VOCs molecules adsorbed by the adsorption filtration device and sterilizing adsorbed bacteria and viruses, the static electret device is used for carrying out static electret treatment on the adsorption filtration device, the adsorption filtration device is used for adsorbing dust particles in filtered air and bacteria and viruses attached to the dust particles and aerosol, the intelligent control device is used for controlling the air supply machine of the air supply unit to be closed and then opening the oxidative decomposition sterilization device, and after the oxidative decomposition sterilization is finished, and closing the oxidative decomposition sterilization and disinfection device, and controlling the system to enter a pause or waiting operation instruction state.
10. The air purification, sterilization and disinfection treatment method is characterized by comprising the following steps:
the system fresh air and the return air are mixed through a mixing unit;
performing primary filtering on the air mixed in the mixing unit through a primary filtering unit;
the air after the primary filtering is further filtered and purified by an electrostatic electret adsorption and filtration unit for oxidative decomposition, sterilization and disinfection, after aerosol-shaped dust particles and bacterial viruses are removed, the clean air is sent to an indoor space, a fan is turned off after a set time is reached, and the bacterial viruses and VOCs molecules filtered and blocked on the adsorption and filtration material are subjected to oxidative decomposition, sterilization and disinfection treatment under a static condition; wherein, the oxidative decomposition sterilization electrostatic electret adsorption filtration unit comprises an oxidative decomposition sterilization device, an electrostatic electret device, an adsorption filtration device and an intelligent control device, the oxidative decomposition sterilization device is used for carrying out oxidative decomposition on VOCs molecules adsorbed by the adsorption filtration device and sterilizing and killing bacteria and viruses adsorbed and blocked on an adsorption filtration material, the electrostatic electret device is used for carrying out electrostatic electret treatment on the adsorption filtration device to keep good electrostatic adsorption performance all the time, the adsorption filtration device is used for adsorbing dust particles in filtered air and bacteria and viruses attached on the dust particles and aerosol, the intelligent control device is used for controlling the air feeder of the air supply unit to be closed, then the oxidative decomposition sterilization device is opened, and after the oxidative decomposition sterilization is finished, the oxidative decomposition sterilization device is closed, and controlling the system to enter a state of pausing or waiting for an instruction to run;
the air after oxidative decomposition, sterilization and disinfection treatment is cooled by the cooling unit, enters the flow equalizing unit for buffering, enters the heating unit for heating and the humidifying unit for humidifying, and is sent back to the inside of the space by the air supply unit.
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| CN202010568485.XA CN111692661A (en) | 2020-06-19 | 2020-06-19 | Air purification, sterilization and disinfection treatment system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI832353B (en) * | 2022-07-28 | 2024-02-11 | 研能科技股份有限公司 | Method for detecting, locating and cleaning indoor microbiotics |
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Application publication date: 20200922 |