CN108954524B - Dispersion type intelligent oxygen-enriched air circulation system and air purification method - Google Patents
Dispersion type intelligent oxygen-enriched air circulation system and air purification method Download PDFInfo
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- CN108954524B CN108954524B CN201810903609.8A CN201810903609A CN108954524B CN 108954524 B CN108954524 B CN 108954524B CN 201810903609 A CN201810903609 A CN 201810903609A CN 108954524 B CN108954524 B CN 108954524B
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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
- 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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F13/02—Ducting arrangements
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/60—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by adding oxygen
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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
- F24F2110/70—Carbon dioxide
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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
- F24F2110/76—Oxygen
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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 invention discloses a dispersive intelligent oxygen-enriched air circulating system, which comprises an oxygen generating device arranged outdoors and an indoor air circulating and purifying device arranged indoors, wherein the oxygen generating device is arranged on the indoor air circulating and purifying device; the indoor air circulation purification equipment comprises a purification and disinfection section provided with an air return port and an air supply section provided with an air supply port, and a fan section is arranged between the purification and disinfection section and the air supply section; a carbon dioxide absorbing/adsorbing device is detachably connected in the purification and disinfection section relative to the air return port, so that carbon dioxide gas in the indoor air entering from the air return port can be filtered; the oxygen generating equipment conveys oxygen to the purification and disinfection section of the indoor air circulation and purification equipment through the oxygen-enriched pipe. The invention also provides an air purification method, and the dispersed intelligent oxygen-enriched air circulation system is adopted to obtain the clean air which is rich in oxygen and low in concentration carbon dioxide. The invention solves the technical problem of serious secondary pollution of the purified air in the conveying process in the prior art.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a dispersive intelligent oxygen-enriched air circulating system and an air purification method.
Background
Oxygen suppliment product and air purification product are different day by day, and high technique, high comfortable novel product are full of whole new trend market, indicate people's quality of life to improve the back, and traditional new trend system can not satisfy people to the urgent demand of fresh, clean oxygen suppliment environment. Traditional oxygen suppliment product need wear respirator or nozzle, and the comfort is poor, and emerging dispersed oxygen suppliment then only needs to disperse oxygen in the air, has relieved respirator's constraint, and the comfort is good. In addition, for some special scenes, the method has important significance for oxygen-enriched and clean air, such as hospitals, closed spaces and plateau areas.
Although some fresh air systems with oxygen supply function exist at present, because a fresh air purification device of the fresh air system is installed outdoors and then sent indoors through a pipeline, the bearing capacity of the air purification filter material is limited, after the air purification filter material is used for a certain time, the air purification effect is deteriorated, a lot of pollutants (especially PM 2.5) can be carried into the pipeline, and after the pollutants are deposited or attached in the pipeline, the problem of secondary pollution is still inevitable even if the air purification filter material is replaced; moreover, the larger the size of the pipeline, the more polluting substances are accumulated, and the more serious the problem of secondary pollution! Although some techniques for cleaning large pipes have been developed, the cleaning cost is high, and the cleaning process is time-consuming and labor-consuming! Because the principle of the fresh air system is limited, the problem of secondary pollution is inevitable, and therefore, a new method is needed to invent the air purification system capable of replacing the fresh air system.
In addition, the oxygen supply equipment can only increase the oxygen concentration and cannot reduce the concentration of carbon dioxide, the concentration of carbon dioxide in indoor air can gradually increase along with respiration, and the too high concentration of carbon dioxide in the air can inhibit and paralyze the respiratory center and even cause carbon dioxide poisoning, particularly in a closed environment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a dispersive intelligent oxygen-enriched air circulating system, which solves the technical problem of serious secondary pollution of purified air in the conveying process in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: a dispersed intelligent oxygen-enriched air circulating system comprises an oxygen making device arranged outdoors and an indoor air circulating and purifying device arranged indoors; the indoor air circulation purification equipment comprises a purification and disinfection section with an air return port and an air supply section with an air supply port, wherein a fan section is arranged between the purification and disinfection section and the air supply section, a fan for sending air in the purification and disinfection section into the air supply section is arranged in the fan section, and indoor air can enter the purification and disinfection section from the air return port under the action of the fan; a carbon dioxide absorbing/adsorbing device is detachably connected in the purification and disinfection section relative to the air return port, so that carbon dioxide gas in the indoor air entering from the air return port can be filtered; the oxygen generating equipment conveys oxygen to a purification and disinfection section of the indoor air circulation and purification equipment through an oxygen enrichment pipe; an air filtering device is detachably connected at the junction of the purifying and sterilizing section and the air supply section in the purifying and sterilizing section, so that the gas entering the sterilizing and purifying section can be filtered and purified; the purification and disinfection section is also internally provided with a sterilization and disinfection device, so that the gas entering the purification and disinfection section can be sterilized and disinfected.
Preferably, the indoor air circulation purification equipment further comprises a controller and an electromagnetic valve arranged on the purification and disinfection section, and the oxygen enrichment pipe can be communicated with the disinfection section through the electromagnetic valve; an air quality sensor for detecting the indoor air quality is arranged near the air return opening; the air quality sensor comprises an oxygen concentration sensor; the signal input part of the controller is connected with the signal output part of the oxygen concentration sensor, and the signal output part of the controller is connected with the signal input part of the electromagnetic valve, so that oxygen supply can be controlled according to indoor oxygen concentration.
Preferably, the oxygen generating equipment comprises a compressor and a molecular sieve type oxygen generator; the compressor can pressurize outdoor air and send the air into the molecular sieve type oxygen generator; the molecular sieve type oxygen generator can adsorb nitrogen in air under a pressurized state, so that oxygen in the air is separated and is conveyed to indoor air circulation purification equipment through an oxygen-enriched pipe; and the molecular sieve type oxygen generator can desorb to release nitrogen under normal pressure.
Preferably, the oxygen generating equipment is an electrolytic water oxygen generator and comprises a direct current power supply, a cathode and an anode; the cathode and the anode are immersed in the electrolyte, the cathode is connected with the negative electrode of the direct current power supply, and the anode is connected with the positive electrode of the direct current power supply, so that a closed loop is formed, electrons of water in the electrolyte are obtained at the cathode and reduced into hydrogen, and electrons of the water in the electrolyte are lost at the anode and oxidized into oxygen; oxygen produced by water electrolysis is delivered to indoor air circulation purification equipment through an oxygen-enriched pipe.
The invention also provides an air purification method, which adopts the dispersive intelligent oxygen-enriched air circulation system; the method comprises the following steps:
step 1: starting indoor air circulation purification equipment; starting the outdoor oxygen-making equipment at the same time;
step 2: the indoor air enters the purification and disinfection section from the air return port under the action of the fan; in the process that indoor air enters the purification and disinfection section from the air return inlet, the indoor air passes through a carbon dioxide absorption/adsorption device arranged at the air return inlet, so that carbon dioxide gas in the air is filtered, and low-concentration carbon dioxide air is obtained, wherein the low-concentration carbon dioxide means that the volume ratio of the carbon dioxide in the air is not more than 0.03%; meanwhile, oxygen generated by the oxygen generating equipment enters the purifying and disinfecting section through the oxygen enrichment pipe, and the oxygen is mixed with the low-concentration carbon dioxide air to obtain the low-concentration carbon dioxide oxygen-enriched air; the sterilization and disinfection device is used for sterilizing and disinfecting the low-concentration carbon dioxide oxygen-enriched air;
and step 3: the low-concentration carbon dioxide oxygen-enriched air after the sterilization and disinfection treatment enters the air supply section through the air filtering device under the action of the fan, and the air filtering device filters particulate matters in the low-concentration carbon dioxide oxygen-enriched air, so that clean air rich in oxygen and low-concentration carbon dioxide is obtained in the air supply section;
and 4, step 4: the air supply section supplies the clean air with rich oxygen and low-concentration carbon dioxide to the room from the air supply outlet under the action of the fan; go back to step 2.
Preferably, the indoor air circulation purification equipment further comprises a controller and an electromagnetic valve arranged on the purification and disinfection section, and the oxygen enrichment pipe can be communicated with the disinfection section through the electromagnetic valve; an air quality sensor for detecting the indoor air quality is arranged near the air return opening; the air quality sensor comprises an oxygen concentration sensor; the signal input end of the controller is connected with the signal output end of the oxygen concentration sensor, and the signal output end of the controller is connected with the signal input end of the electromagnetic valve, so that oxygen supply can be controlled according to the indoor oxygen concentration; in the step 2, when the oxygen concentration sensor detects that the indoor oxygen concentration is lower than the threshold value, the controller controls the electromagnetic valve to open, so that oxygen generated by the oxygen generating equipment enters the purification and disinfection section through the oxygen enrichment pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. the fresh air system among the prior art is sent into indoor behind the outdoor air purification processing, because outdoor air pollution is serious (especially PM 2.5), and the bearing capacity of air purification filter media is limited in addition, even change the filter media, deposit or adhere to the pollutant in the pipeline after, cause secondary pollution to the air after getting into the in-process of fresh air transport, not only can not improve indoor air quality, still can make indoor air quality decline. However, the dispersed intelligent oxygen-enriched air circulating system circularly processes the indoor air, does not introduce outdoor air, and cancels pipelines for conveying in the circulating process of the indoor air, thereby being capable of avoiding secondary pollution caused by pipeline conveying. In addition, the carbon dioxide absorption/adsorption device and the air filter device which are used as filter materials are detachably connected, so that the filter materials can be replaced, and good air purification effect can be obtained as long as the filter materials are replaced in time.
2. The dispersive intelligent oxygen-enriched air circulating system is particularly suitable for a closed indoor environment, and on one hand, the dispersive intelligent oxygen-enriched air circulating system is used for circularly purifying indoor air so as to avoid the pollution of outdoor air to the indoor air; on the other hand, carbon dioxide gas can be removed by utilizing the carbon dioxide absorption/adsorption device in the indoor air circulation process, so that the over-high concentration of the carbon dioxide is avoided; and an oxygen generator is also arranged to generate oxygen so as to supplement the oxygen continuously consumed by respiration in the room. Finally, the air purifier can be continuously used in a closed indoor environment to provide people with clean air rich in oxygen and low-concentration carbon dioxide.
3. The oxygen enrichment pipe only needs to convey oxygen, so the diameter of the pipeline can be greatly reduced compared with that of a fresh air system. When the molecular sieve type oxygen generator is used for preparing oxygen by utilizing outdoor air, the diameter of the oxygen enrichment pipe is reduced, so that the secondary pollution degree caused by pipeline transportation can be greatly reduced.
4. The molecular sieve type oxygen generator is friendly to the atmosphere environment because no polluting substances are generated, and nitrogen after desorption can be directly discharged into the atmosphere. The oxygen generator utilizing the electrolyzed water does not utilize outdoor air, so that the problem of secondary pollution does not exist, and the quality of indoor air is further improved.
5. The air purification method of the invention circularly purifies the indoor air, does not introduce outdoor air, and cancels pipeline transportation in the circulation process of the indoor air, thereby being capable of avoiding secondary pollution caused by pipeline transportation in the circulation process of the indoor air. In addition, the invention purifies indoors, even if the oxygen-rich pipe deposits polluting substances due to oxygen production by using outdoor air, the indoor air circulation purification equipment can purify, so that clean air without secondary pollution is still discharged from the air supply outlet.
6. The carbon dioxide gas generated by respiration can be removed by utilizing the carbon dioxide absorption/adsorption device in the indoor air circulation process, so that the over-high concentration of the carbon dioxide is avoided; an oxygen generator is also arranged to generate oxygen so as to supplement the oxygen continuously consumed by the indoor air. Finally, the air purifier can be continuously used in a closed indoor environment to provide people with clean air rich in oxygen and low-concentration carbon dioxide.
7. Set up oxygen concentration sensor and monitor indoor oxygen concentration, can carry out the oxygen suppliment when oxygen concentration is less than the threshold value, stop the oxygen suppliment when oxygen concentration is higher than the threshold value to avoid oxygen concentration too high or low bring the harm to the human body excessively.
Drawings
Fig. 1 is a schematic structural diagram of a distributed intelligent oxygen-enriched air circulation system according to the present embodiment.
Detailed Description
As shown in fig. 1, a dispersive intelligent oxygen-enriched air circulation system comprises an oxygen production device 1 arranged outdoors and an indoor air circulation purification device 3 arranged indoors; the indoor air circulation purification equipment 3 comprises a purification and disinfection section 31 provided with an air return opening 311 and an air supply section 33 provided with an air supply opening, a fan section 32 is arranged between the purification and disinfection section 31 and the air supply section 33, a fan which sends air in the purification and disinfection section 31 into the air supply section 33 is arranged in the fan section 32, and indoor air can enter the purification and disinfection section 31 from the air return opening 311 under the action of the fan; a carbon dioxide absorption/adsorption device is detachably connected in the purification and disinfection section 31 relative to the air return opening 311, so that carbon dioxide gas in the indoor air entering from the air return opening 311 can be filtered; the oxygen generating equipment 1 transmits oxygen to a purification and disinfection section 31 of indoor air circulation and purification equipment 3 through an oxygen enrichment pipe 2; an air filtering device is detachably connected to the junction of the purifying and sterilizing section 31 and the air supply section 33 in the purifying and sterilizing section 31, so that gas entering the purifying and sterilizing section can be filtered and purified; the purification and disinfection section 31 is also internally provided with a sterilization and disinfection device, so that the gas entering the purification and disinfection section can be sterilized and disinfected.
The carbon dioxide adsorption device can adopt a physical adsorption device, the physical adsorption device can adopt a porous material with the pore diameter smaller than the diameter of carbon dioxide gas molecules to prepare a filter material, such as an M41S series mesoporous silica molecular sieve developed by Mobil company, and can also adopt a composite material formed by amino modification on the porous material to prepare the filter material, such as an amino modified MCM-41 mesoporous silica molecular sieve prepared by taking polyethyleneimine as an amination reagent, and the filter material can be plate-shaped or column-shaped.
The carbon dioxide absorbing device can adopt a chemical absorbing device, carbon dioxide is acidic and can easily react with alkaline substances or metal oxides, so that alkaline substances or metal oxides can be used as an absorbent to absorb carbon dioxide gas, such as calcium hydroxide.
The fresh air system among the prior art is sent into indoor behind the outdoor air purification processing, because outdoor air pollution is serious (especially PM 2.5), and the bearing capacity of air purification filter media is limited in addition, even change the filter media, deposit or adhere to the pollutant in the pipeline after, cause secondary pollution to the air after getting into the in-process of fresh air transport, not only can not improve indoor air quality, still can make indoor air quality decline. However, the dispersed intelligent oxygen-enriched air circulating system circularly processes the indoor air, does not introduce outdoor air, and cancels pipelines for conveying in the circulating process of the indoor air, thereby being capable of avoiding secondary pollution caused by pipeline conveying. In addition, the carbon dioxide absorption/adsorption device and the air filter device which are used as filter materials are detachably connected, so that the filter materials can be replaced, and good air purification effect can be obtained as long as the filter materials are replaced in time.
The dispersive intelligent oxygen-enriched air circulating system is particularly suitable for a closed indoor environment, and on one hand, the dispersive intelligent oxygen-enriched air circulating system is used for circularly purifying indoor air so as to avoid the pollution of outdoor air to the indoor air; on the other hand, carbon dioxide gas can be removed by utilizing the carbon dioxide absorption/adsorption device in the indoor air circulation process, so that the over-high concentration of the carbon dioxide is avoided; and an oxygen generator is also arranged to generate oxygen so as to supplement the oxygen continuously consumed by respiration in the room. Finally, the air purifier can be continuously used in a closed indoor environment to provide people with clean air rich in oxygen and low-concentration carbon dioxide.
In this embodiment, the indoor air circulation purification equipment 3 further comprises a controller and an electromagnetic valve arranged on the purification and disinfection section 31, and the oxygen enrichment pipe 2 can be communicated with the disinfection section through the electromagnetic valve; an air quality sensor for detecting the indoor air quality is arranged near the air return opening 311; the air quality sensor comprises an oxygen concentration sensor; the signal input part of the controller is connected with the signal output part of the oxygen concentration sensor, and the signal output part of the controller is connected with the signal input part of the electromagnetic valve, so that oxygen supply can be controlled according to indoor oxygen concentration. Set up oxygen concentration sensor and monitor indoor oxygen concentration, can carry out the oxygen suppliment when oxygen concentration is less than the threshold value, stop the oxygen suppliment when oxygen concentration is higher than the threshold value to avoid oxygen concentration too high or low bring the harm to the human body excessively.
In this embodiment, the indoor air circulation and purification device 3 is vertical, and the purification and disinfection section 31, the fan section 32 and the air supply section 33 are sequentially connected from bottom to top. Thus, the occupation of horizontal space is reduced, and the vertical space is fully utilized.
In this embodiment, the air return opening 311 is located on one side of the disinfection section, and the oxygen enrichment tube 2 is adjacent to or connected to the disinfection section opposite to the air return opening 311. This facilitates mixing of the oxygen with the low carbon dioxide air.
In the embodiment, the oxygen generating device 1 comprises a compressor and a molecular sieve type oxygen generator; the compressor can pressurize outdoor air and send the air into the molecular sieve type oxygen generator; the molecular sieve type oxygen generator can absorb nitrogen in air under a pressurization state (the molecular sieve of the molecular sieve type oxygen generator is in the pressurization state by compressing the air), so that oxygen in the air is separated and is conveyed to the indoor air circulation purification equipment 3 through the oxygen enrichment pipe 2; and the molecular sieve type oxygen generator can desorb to release nitrogen under normal pressure (the molecular sieve in the molecular sieve type oxygen generator can be at the normal pressure by opening a desorption valve on the molecular sieve type oxygen generator). A gas storage tank for storing oxygen can be arranged between the molecular sieve type oxygen generator and the oxygen enrichment pipe 2, and the gas storage tank can be arranged in the molecular sieve type oxygen generator or outside the molecular sieve type oxygen generator.
The molecular sieve type oxygen generator is friendly to the atmosphere environment because no polluting substances are generated, and nitrogen after desorption can be directly discharged into the atmosphere.
In the embodiment, the oxygen generating device 1 is an electrolytic water oxygen generator, and comprises a direct current power supply, a cathode and an anode; the cathode and the anode are immersed in the electrolyte, the cathode is connected with the negative electrode of the direct current power supply, and the anode is connected with the positive electrode of the direct current power supply, so that a closed loop is formed, electrons of water in the electrolyte are obtained at the cathode and reduced into hydrogen, and electrons of the water in the electrolyte are lost at the anode and oxidized into oxygen; the anode of the electrolyzed water oxygen generator is provided with an oxygen collecting and storing device and is communicated with the oxygen enrichment pipe 2. The oxygen generator utilizing the electrolyzed water does not utilize outdoor air, so that the problem of secondary pollution does not exist, and the quality of indoor air is further improved.
The anode of the electrolyzed water oxygen generator is provided with an oxygen collecting and storing device and is communicated with the oxygen enrichment pipe 2; the cathode of the electrolyzed water oxygen generator is provided with a hydrogen collecting and storing device so as to recycle the hydrogen and avoid the arbitrary discharge of the hydrogen.
In this specific embodiment, the air filtering device includes a coarse filter screen, a middle filter screen, a high efficiency filter screen and an activated carbon odor removal layer which are sequentially stacked from the purifying and disinfecting section 31 to the fan section 32, so as to form multi-stage filtration, and the filtering effect is good, so as to filter particles in the air; the sterilization and disinfection device is an ultraviolet sterilization and disinfection device.
In this embodiment, a surface air cooler for cooling or heating the air entering the air supply section 33 is provided in the air supply section 33. The principle of the surface cooler is that working medium flows through the inner cavity of a metal pipeline, and air to be treated flows through the outer wall of the metal pipeline to carry out heat exchange so as to achieve the purpose of heating or cooling the air. Of course, the surface cooler is also connected with an outdoor unit (including a compressor and a condenser) through a pipeline, and the working principle and the installation method of the surface cooler are the prior art and are not described herein again.
An air purification method adopts the dispersive intelligent oxygen-enriched air circulation system; the method comprises the following steps:
step 1: starting the indoor air circulation and purification equipment 3; starting the outdoor oxygen-making equipment 1 at the same time;
step 2: the indoor air enters the purifying and sterilizing section 31 from the air return opening 311 under the action of the fan; in the process that the indoor air enters the purification and disinfection section 31 from the air return opening 311, the indoor air passes through a carbon dioxide absorption/adsorption device arranged at the position corresponding to the air return opening 311, so that carbon dioxide gas in the air is filtered, and low-concentration carbon dioxide air is obtained, wherein the low-concentration carbon dioxide means that the volume percentage of the carbon dioxide in the air is not more than 0.03%; meanwhile, when the oxygen concentration sensor detects that the indoor oxygen concentration is lower than the threshold value, the controller controls the electromagnetic valve to be opened, so that oxygen generated by the oxygen generating equipment 1 enters the purifying and sterilizing section 31 through the oxygen-enriched pipe 2, and the oxygen is mixed with the low-concentration carbon dioxide air to obtain the low-concentration carbon dioxide oxygen-enriched air; the sterilization and disinfection device is used for sterilizing and disinfecting the low-concentration carbon dioxide oxygen-enriched air;
and step 3: the low-concentration carbon dioxide oxygen-enriched air after the sterilization and disinfection treatment enters the air supply section 33 through the air filtering device under the action of the fan, and the air filtering device filters particulate matters in the low-concentration carbon dioxide oxygen-enriched air, so that clean air rich in oxygen and low-concentration carbon dioxide is obtained in the air supply section 33;
and 4, step 4: the air supply section 33 supplies the clean air rich in oxygen and low-concentration carbon dioxide to the room from the air supply outlet under the action of the fan; go back to step 2.
The air purification method of the invention circularly purifies the indoor air, does not introduce outdoor air, and cancels pipeline transportation in the circulation process of the indoor air, thereby being capable of avoiding secondary pollution caused by pipeline transportation in the circulation process of the indoor air. In addition, the invention purifies indoors, even if the oxygen-enriched pipe 2 deposits polluting substances due to oxygen production by outdoor air, the indoor air circulation purification equipment 3 can purify, therefore, the clean air without secondary pollution still comes out from the air supply opening.
The carbon dioxide gas generated by respiration can be removed by utilizing the carbon dioxide absorption/adsorption device in the indoor air circulation process, so that the over-high concentration of the carbon dioxide is avoided; an oxygen generator is also arranged to generate oxygen so as to supplement the oxygen continuously consumed by the indoor air. Finally, the air purifier can be continuously used in a closed indoor environment to provide people with clean air rich in oxygen and low-concentration carbon dioxide.
Claims (7)
1. The utility model provides a dispersed intelligence oxygen boosting air circulation system which characterized in that: comprises an oxygen making device arranged outdoors and an indoor air circulating and purifying device arranged indoors; the indoor air circulation purification equipment comprises a purification and disinfection section with an air return port and an air supply section with an air supply port, wherein a fan section is arranged between the purification and disinfection section and the air supply section, a fan for sending air in the purification and disinfection section into the air supply section is arranged in the fan section, and indoor air can enter the purification and disinfection section from the air return port under the action of the fan; a carbon dioxide absorbing/adsorbing device is detachably connected in the purification and disinfection section relative to the air return port, so that carbon dioxide gas in the indoor air entering from the air return port can be filtered; the oxygen generating equipment conveys oxygen to a purification and disinfection section of the indoor air circulation and purification equipment through an oxygen enrichment pipe; the air return opening is positioned on one side surface of the disinfection section, and the oxygen enrichment pipe is adjacent to or opposite to the air return opening and is connected to the disinfection section, so that indoor air sucked from the air return opening is mixed with outdoor supplementary oxygen; an air filtering device is detachably connected at the junction of the purifying and sterilizing section and the air supply section in the purifying and sterilizing section, so that the gas entering the sterilizing and purifying section can be filtered and purified; the purification and disinfection section is also internally provided with a sterilization and disinfection device, so that the gas entering the purification and disinfection section can be sterilized and disinfected;
the oxygen generating equipment is an electrolytic water oxygen generator and comprises a direct current power supply, a cathode and an anode; the cathode and the anode are immersed in the electrolyte, the cathode is connected with the negative electrode of the direct current power supply, and the anode is connected with the positive electrode of the direct current power supply, so that a closed loop is formed, electrons of water in the electrolyte are obtained at the cathode and reduced into hydrogen, and electrons of the water in the electrolyte are lost at the anode and oxidized into oxygen; the anode of the electrolyzed water oxygen generator is provided with an oxygen collecting and storing device and is communicated with the oxygen enrichment pipe.
2. The distributed intelligent oxygen-enriched air circulation system according to claim 1, wherein: the indoor air circulation purification equipment also comprises a controller and an electromagnetic valve arranged on the purification and disinfection section, and the oxygen enrichment pipe can be communicated with the disinfection section through the electromagnetic valve; an air quality sensor for detecting the indoor air quality is arranged near the air return opening; the air quality sensor comprises an oxygen concentration sensor; the signal input part of the controller is connected with the signal output part of the oxygen concentration sensor, and the signal output part of the controller is connected with the signal input part of the electromagnetic valve, so that oxygen supply can be controlled according to indoor oxygen concentration.
3. The distributed intelligent oxygen-enriched air circulation system according to claim 1, wherein: the indoor air circulation and purification equipment is vertical, and the purification and disinfection section, the fan section and the air supply section are sequentially connected from bottom to top.
4. The distributed intelligent oxygen-enriched air circulation system according to claim 1, wherein: the air filtering device comprises a coarse filter screen, a medium filter screen, a high efficiency filter screen and an active carbon odor removing layer which are sequentially stacked from a purification and disinfection section to a fan section; the sterilization and disinfection device is an ultraviolet sterilization and disinfection device.
5. The distributed intelligent oxygen-enriched air circulation system according to claim 1, wherein: and a surface air cooler used for cooling or heating the air entering the air supply section is arranged in the air supply section.
6. An air purification method is characterized in that: using the dispersed intelligent oxygen-enriched air circulation system of claim 1; the method comprises the following steps:
step 1: starting indoor air circulation purification equipment; starting the outdoor oxygen-making equipment at the same time;
step 2: the indoor air enters the purification and disinfection section from the air return port under the action of the fan; in the process that indoor air enters the purification and disinfection section from the air return inlet, the indoor air passes through a carbon dioxide absorption/adsorption device arranged at the air return inlet, so that carbon dioxide gas in the air is filtered, and low-concentration carbon dioxide air is obtained, wherein the low-concentration carbon dioxide means that the volume ratio of the carbon dioxide in the air is not more than 0.03%; meanwhile, oxygen generated by the oxygen generating equipment enters the purifying and disinfecting section through the oxygen enrichment pipe, and the oxygen is mixed with the low-concentration carbon dioxide air to obtain the low-concentration carbon dioxide oxygen-enriched air; the sterilization and disinfection device is used for sterilizing and disinfecting the low-concentration carbon dioxide oxygen-enriched air;
and step 3: the low-concentration carbon dioxide oxygen-enriched air after the sterilization and disinfection treatment enters the air supply section through the air filtering device under the action of the fan, and the air filtering device filters particulate matters in the low-concentration carbon dioxide oxygen-enriched air, so that clean air rich in oxygen and low-concentration carbon dioxide is obtained in the air supply section;
and 4, step 4: the air supply section supplies the clean air with rich oxygen and low-concentration carbon dioxide to the room from the air supply outlet under the action of the fan; go back to step 2.
7. The air purification method according to claim 6, characterized in that: the indoor air circulation purification equipment also comprises a controller and an electromagnetic valve arranged on the purification and disinfection section, and the oxygen enrichment pipe can be communicated with the disinfection section through the electromagnetic valve; an air quality sensor for detecting the indoor air quality is arranged near the air return opening; the air quality sensor comprises an oxygen concentration sensor; the signal input end of the controller is connected with the signal output end of the oxygen concentration sensor, and the signal output end of the controller is connected with the signal input end of the electromagnetic valve, so that oxygen supply can be controlled according to the indoor oxygen concentration; in the step 2, when the oxygen concentration sensor detects that the indoor oxygen concentration is lower than the threshold value, the controller controls the electromagnetic valve to open, so that oxygen generated by the oxygen generating equipment enters the purification and disinfection section through the oxygen enrichment pipe.
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| CN110822580A (en) * | 2019-11-12 | 2020-02-21 | 上海莒纳新材料科技有限公司 | Air quality control system for closed space and application |
| CN111425959A (en) * | 2020-04-15 | 2020-07-17 | 李玲玲 | Air purification disinfecting equipment based on artificial intelligence |
| CN112325436A (en) * | 2020-09-30 | 2021-02-05 | 贵州全世通精密机械科技有限公司 | Oxygen supply system and method |
| CN113124519A (en) * | 2021-04-27 | 2021-07-16 | 南京迪升动力科技有限公司 | High-efficient clean air regenerating device that indoor invariable oxygen suppliment was used |
| CN114738970B (en) * | 2022-03-07 | 2024-01-26 | 珠海格力电器股份有限公司 | Air conditioner oxygen generation control method and device, storage medium and air conditioner |
| CN114777277B (en) * | 2022-04-19 | 2024-05-24 | 青岛海尔空调器有限总公司 | Carbon dioxide removal control method for air conditioner |
| CN116972481A (en) * | 2023-09-25 | 2023-10-31 | 深圳三爱健康科技有限公司 | Intelligent regulation and control method and system for oxygen-enriched space capsule |
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| CN2606286Y (en) * | 2002-09-27 | 2004-03-10 | 东华大学 | Air quality regulator |
| KR100820150B1 (en) * | 2006-11-22 | 2008-04-08 | 엘지전자 주식회사 | Oxygen generating apparatus and air-conditioner having the same |
| CN103453587B (en) * | 2012-06-01 | 2018-05-22 | 易菊芳 | Supplemental oxygen, the multifunctional air purifier of absorbing carbon dioxide and method |
| CN202962267U (en) * | 2012-11-30 | 2013-06-05 | 天津开发区天光高科技开发有限公司 | Air cleaning equipment |
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| CN107975866A (en) * | 2016-10-21 | 2018-05-01 | 青岛道空优科技有限公司 | A kind of multi-functional aerobic air optimizing system of superposition |
| CN207702596U (en) * | 2017-11-27 | 2018-08-07 | 深圳市康弘环保技术有限公司 | Oxygenation air purifier |
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