CN115264730A - Air purification device and air purification method - Google Patents
Air purification device and air purification method Download PDFInfo
- Publication number
- CN115264730A CN115264730A CN202110474937.2A CN202110474937A CN115264730A CN 115264730 A CN115264730 A CN 115264730A CN 202110474937 A CN202110474937 A CN 202110474937A CN 115264730 A CN115264730 A CN 115264730A
- Authority
- CN
- China
- Prior art keywords
- air
- water mist
- purification
- water
- duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004887 air purification Methods 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 253
- 239000003595 mist Substances 0.000 claims abstract description 226
- 238000000746 purification Methods 0.000 claims abstract description 78
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000000889 atomisation Methods 0.000 claims description 15
- 230000001954 sterilising effect Effects 0.000 claims description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims description 10
- 239000008213 purified water Substances 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 230000001976 improved effect Effects 0.000 abstract description 14
- 108091006146 Channels Proteins 0.000 description 16
- 239000003344 environmental pollutant Substances 0.000 description 14
- 231100000719 pollutant Toxicity 0.000 description 14
- 238000010926 purge Methods 0.000 description 13
- 239000002245 particle Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 11
- 239000000779 smoke Substances 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
-
- 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
- F24F2110/64—Airborne particle content
Abstract
The invention discloses an air purification device and an air purification method, wherein the air purification device comprises: a purified air duct, the two ends of which form a purified air inlet and a purified air outlet respectively; a plurality of water mist inlets are formed on the purification air duct; the purification fan is used for introducing air into the purification air duct from the purification air inlet and sending the air out from the purification air outlet; the water mist conveying device is used for conveying water mist into the purification air duct through the water mist inlet; and the water mist generating device is communicated with the water mist conveying device and used for generating water mist and conveying the water mist to the water mist conveying device. The air purification method adopts the air purification device to realize air purification. By applying the invention, the air purification efficiency can be improved.
Description
Technical Field
The invention belongs to the technical field of air treatment, and particularly relates to an air purification method and an air purification device.
Background
The PM2.5 in the indoor air has the characteristics of small particle size, large area, strong activity, easy attachment of toxic and harmful substances (such as heavy metals, microorganisms and the like), long retention time in the atmosphere, long conveying distance and the like, so that the influence on the human health and the quality of the atmospheric environment is greater.
At present, the application of the wet dust removal technology in the aspect of purifying PM2.5 in indoor air is gradually highlighted, which is mainly because the wet dust removal technology not only can effectively purify PM2.5, but also has an obvious effect of removing water-soluble gaseous pollutants in the indoor air, and can humidify the indoor air; and the later maintenance is simple, the parts do not need to be replaced, and no secondary pollutants are generated.
The commonly used wet dust removal techniques are broadly classified into three categories: one of them, filtration technology + spraying or filtration technology + wet curtain purification combination technique, this type of technique be the rear end spraying, can not carry out high-efficient purification to PM2.5, consequently need increase modules such as HEPA filter screen at the front end, and this just leads to purifying module volume great, and the cost is on the high side. The other technology is a water film runner technology, which has the principle that the lower end of a runner module is immersed into a water body, water spreads on the surface of the runner module along with the continuous rotation of the runner to form a water film, and PM2.5 and water-soluble gaseous pollutants are intercepted or absorbed in the process of air flowing through the surface of the runner, but the purification efficiency of the technology is very low. The third technology disperses the water into droplets with smaller volume and higher speed by mechanical methods such as high-speed rotation, high-pressure spraying and the like, but the method cannot disperse the water into droplets with enough fineness, also has the problem of low PM2.5 purification efficiency, and has the defects of higher noise, need of adding a water-gas separation module and the like.
In order to solve the problems of the conventional wet dust removal technology, chinese patent application CN101111296a provides a centrifugal wet air cleaner using a rotary vaporizer and a spiral based on a labyrinth effect, which vaporizes wash water by a rotary vaporizer disk and an ultrasonic vibrator, mixes the vaporized wash water with air, collects pollutants in the air by the wash water, and separates the wash water from the air by centrifugal separation using a difference between specific gravities of the air and the wash water to obtain purified air. Although adopting the technical scheme of this patent application can realize air purification, nevertheless have the following problem: the air to be purified is directly sucked into the vaporizing chamber and is mixed with the vaporized washing water generated from the vaporizing chamber at one time. After the washing water contacts with the air, the washing water gradually collides with each other along with the movement of the air flow and grows up. With the gradual increase of the particle size of the washing water, the air washing capacity, especially the capacity of removing PM2.5 in the air, is greatly reduced, so that the air purification efficiency is low, and it is difficult to obtain relatively pure purified air. In order to increase the air purifying capacity of the washing water, the vaporization amount of the washing water needs to be increased, so that a vaporizer disc and an ultrasonic vibrator need to work simultaneously, and the structure of the purifier is complex and the cost is high.
Disclosure of Invention
One of the objectives of the present invention is to provide an air purification device to improve the air purification efficiency.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
an air purification device comprising:
a purified air duct, the two ends of which form a purified air inlet and a purified air outlet respectively; a plurality of water mist inlets are formed on the purification air channel, are positioned between the purification air inlet and the purification air outlet and are dispersedly arranged along the air flowing direction in the purification air channel;
the purification fan is used for introducing air into the purification air duct from the purification air inlet and sending the air out from the purification air outlet;
the water mist conveying device is used for conveying water mist into the purification air channel through the water mist inlet;
and the water mist generating device is communicated with the water mist conveying device and used for generating water mist and conveying the water mist to the water mist conveying device.
In some other preferred embodiments, the purifying air duct is a spiral duct, and the purifying fan is formed at an end of the purifying air duct.
In some other preferred embodiments, the water mist delivery device comprises:
one end of the water mist conveying main pipeline is communicated with the water mist generating device, and the other end of the water mist conveying main pipeline is closed;
the water mist conveying branch pipeline is a plurality of paths, one end of each path of water mist conveying branch pipeline is communicated with the water mist conveying main pipeline, and the other end of each path of water mist conveying branch pipeline is communicated with the purification air channel through one water mist inlet.
In other preferred embodiments, the plurality of branch water mist delivery pipes satisfy:
the water mist inlet communicated with the water mist conveying branch pipeline is closer to the purified air outlet, and the water mist conveying amount of the water mist conveying branch pipeline is smaller.
In other preferred embodiments, the branch water mist delivery pipe is formed with a nozzle at an end communicating with the clean air duct, the nozzle is located in the clean air duct, and an opening of the nozzle faces a direction opposite to a flow direction of air in the clean air duct.
In other preferred embodiments, the main body part of the main water mist conveying pipeline and the main body part of the branch water mist conveying pipeline are both located in the area enclosed by the spiral pipeline.
In other preferred embodiments, the spiral duct is made of a transparent material that allows ultraviolet rays to pass through, and an ultraviolet sterilization device is further formed in an area surrounded by the spiral duct.
In some other preferred embodiments, the water mist generating apparatus comprises:
a water tank for storing purified water;
the ultrasonic atomization module is positioned in the water tank and used for generating water mist;
and the atomizing fan is used for sending the water mist generated by the ultrasonic atomizing module into the water mist conveying device.
In some other preferred embodiments, the apparatus further comprises:
and one end of the water return pipeline is communicated with the purification air channel, and the other end of the water return pipeline is communicated with the water tank.
The second purpose of the present invention is to provide an air purification method, which uses the above air purification device to realize air purification, so as to improve air purification efficiency.
Specifically, the air purification method comprises the following steps:
acquiring real-time indoor PM2.5 concentration and real-time indoor air humidity, and comparing the real-time indoor PM2.5 concentration and humidity with a PM2.5 concentration threshold and a PM2.5 humidity threshold respectively;
if the real-time indoor PM2.5 concentration is greater than the PM2.5 concentration threshold, controlling the air purification device to work at a first purification air volume and a first water mist volume when the real-time indoor air humidity is greater than a first humidity threshold;
if the real-time indoor PM2.5 concentration is greater than the PM2.5 concentration threshold, controlling the air purification device to work at a second purification air volume and a second water mist volume when the real-time indoor air humidity is not greater than a first humidity threshold; the second purified air quantity is greater than the first purified air quantity, and the second water mist quantity is greater than the first water mist quantity;
if the real-time indoor PM2.5 concentration is not greater than the PM2.5 concentration threshold, controlling the air purification device to work with the second purification air volume and the second water mist volume when the real-time indoor air humidity is less than a second humidity threshold; the second humidity threshold is less than the first humidity threshold;
and if the real-time indoor PM2.5 concentration is not greater than the PM2.5 concentration threshold, controlling the air purification device to stop working when the real-time indoor air humidity is not less than a second humidity threshold.
Compared with the prior art, the invention has the advantages and positive effects that: according to the air purification device provided by the invention, the plurality of water mist inlets are dispersedly arranged on the purification air channel along the air flowing direction in the purification air channel, the water mist generated by the water mist generation device is conveyed to the plurality of water mist inlets through the water mist conveying device, so that the air in the purification air channel can be mixed with the water mist for multiple times at different positions in the air flowing direction, the water mist input at the current position is increased in particle size along with the flowing of the air flow, and when the air purification capacity is about to be reduced, the water mist is input again at the next position for air purification, the problem that the air purification capacity is obviously reduced along with the flowing and increasing of the particle size of the water mist when the water mist and the air are mixed at the same position is effectively solved, and the air purification efficiency is improved; moreover, the air purification efficiency is improved by introducing the water mist for many times, and a complex structure is not required to be adopted to generate a large amount of water mist, so that the air purification device is simple in structure, low in cost and easy to realize. When the air purification device provided by the invention is adopted to carry out air purification, the purified air quantity and the water mist quantity are adjusted according to the concentration of indoor pollutants and the air humidity, and the air purification treatment effect is further improved.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is one of perspective views of a first embodiment of an air purification apparatus of the present invention;
FIG. 2 is a second perspective view of the first embodiment of the air purification apparatus of the present invention;
FIG. 3 is a cross-sectional view of a first embodiment of the air purification apparatus of the present invention;
FIG. 4 is a sectional view showing a part of the structure of a first embodiment of the air cleaning apparatus of the present invention;
FIG. 5 is a schematic view showing a partial structure of a first embodiment of an air cleaning apparatus according to the present invention;
FIG. 6 is a schematic structural view of a second embodiment of the air cleaning apparatus of the present invention;
fig. 7 is a flow chart of one embodiment of the method of air purification of the present invention.
In the above figures, the reference numerals and their corresponding part names are as follows:
11. purifying the air duct; 111. a purified air inlet; 112. a first water mist inlet; 113. a second water mist inlet; 114. a third water mist inlet;
12. a purifying fan;
13. a water mist delivery device; 131. a water mist conveying main pipeline; 132. a first branch line; 133. a second branch line; 134. a third branch line; 1341. a nozzle;
14. a water mist generating device; 141. a water tank; 142. an ultrasonic atomization module; 143. an atomizing fan; 144. an air inducing duct;
15. an ultraviolet sterilization device;
16. a water return pipe;
21. purifying the air duct; 211. a purified air inlet; 212. a purified air outlet; 213. a first water mist inlet; 214. a second water mist inlet; 215. a third water mist inlet; 216. a separation plate;
22. a water mist delivery device;
23. a water mist generating device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "communicate," "secure," and the like are to be construed broadly, e.g., "secure" may be a fixed connection, a removable connection, or an integral part; "communication" may be direct or indirect via an intermediary, and may be internal to two elements or an interaction of two elements unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In the air purification treatment technology adopting the one-time mixing of atomized washing water and air in the prior art, along with the gradual increase of the particle size of the washing water, the air washing capacity of the air purification treatment technology is greatly reduced, and the air purification efficiency is low. In order to solve the problem, the invention creatively provides an air purification device, a plurality of water mist inlets are dispersedly arranged on a purification air channel along the air flowing direction in the purification air channel, water mist enters the purification air channel through the water mist inlets, so that the air in the purification air channel can be mixed with the water mist for a plurality of times at different positions in the air flowing direction, the water mist input at the current position is increased in particle size along with the flowing of air, and when the air purification capacity is reduced, the water mist is input again at the next position for air purification, and the air purification efficiency is improved.
Fig. 1 to 5 show a first embodiment of the air cleaning apparatus of the present invention. Fig. 1 and 2 are perspective views of the embodiment, fig. 3 and 4 are sectional views and partial structural sectional views of the embodiment, respectively, and fig. 5 is a schematic view of a partial structure of the embodiment.
Specifically, as shown in fig. 1 to 3, the air purification apparatus of the embodiment includes a purification air duct 11, a purification fan 12, a water mist delivery device 13, and a water mist generation device 14.
The air purifying duct 11 is a spiral duct, and the two ends of the air purifying duct are respectively formed with an air purifying inlet 111 and an air purifying outlet (not shown), and the middle of the spiral duct forms a cavity area. Three water mist inlets, namely a first water mist inlet 112, a second water mist inlet 113 and a third water mist inlet 114, are formed on the purification air duct, and are respectively positioned between the purified air inlet 111 and the purified air outlet and are dispersedly arranged along the air flowing direction in the purification air duct 11. In this embodiment, the purified air inlet 111 is located at the lower end portion, the purified air outlet is located at the upper end portion, and the air in the purified air duct generally flows from the bottom to the top, so that the first mist inlet 112, the second mist inlet 113 and the third mist inlet 114 are sequentially formed in the purified air duct 11 in the order from the bottom to the top.
The purge fan 12 is formed at an end portion of the purge air duct 12, specifically, outside an upper end portion of the purge air duct 12, and communicates with a purge air outlet for introducing air from the purge air inlet 111 into the purge air duct 11 and sending out from the purge air outlet. Wherein, the purification fan 12 is realized by a centrifugal fan. In other embodiments, the cleaning fan 12 may be implemented by other types of fans such as an axial flow fan.
The mist delivery device 13 includes a main mist delivery pipeline 131 and a plurality of branch mist delivery pipelines 132. With spiral duct formula purification wind channel 11 looks adaptation, water smoke carries main pipeline 131 to be vertical pipeline, and its main part is located the cavity region that spiral duct encloses to make full use of space reduces air purification device's volume. The multiple branch water mist conveying pipelines are horizontal pipelines, the main body parts of the branch water mist conveying pipelines are also located in a cavity area surrounded by the spiral pipelines, one end of each branch water mist conveying pipeline is communicated with the main water mist conveying pipeline 131, and the other end of each branch water mist conveying pipeline is communicated with a water mist inlet. In this embodiment, the purifying air duct 11 has three mist inlets, and the mist delivery branch pipes are three, from top to bottom, the first branch pipe 132, the second branch pipe 133 and the third branch pipe 134. Wherein, one end of the first branch pipeline 132 is communicated with the main water mist conveying pipeline 131; the other end is communicated with the purifying air duct 11 through the first water mist inlet 112, specifically, passes through the first water mist inlet 112 and extends into the purifying air duct 11. The second branch pipeline 133 is communicated with the main water mist conveying pipeline 131; the other end is communicated with the purifying air duct 11 through the second water mist inlet 113, specifically passes through the second water mist inlet 113 and extends into the purifying air duct 11. The third branch pipeline 134 is communicated with the main water mist conveying pipeline 131; the other end is communicated with the clean air duct 11 through the third water mist inlet 114, specifically passes through the third water mist inlet 114 and extends into the clean air duct 11.
As shown in fig. 4, a nozzle is formed at one end of each mist delivery branch line communicating with the purge air duct 11. Taking the third branch pipe 134 as an example, a nozzle 1341 is formed at one end thereof communicating with the purge air duct 11. The nozzle 1341 is located in the purge air duct 11, and the opening of the nozzle 1341 faces the direction opposite to the air flow direction in the purge air duct. Specifically, in the structure shown in fig. 4, the air in the purge air duct 11 flows in the spiral duct at the position of the nozzle 1341 in a counterclockwise direction as indicated by the arrow; and the opening of the nozzle 1341 is directed in the direction of the incoming wind. After the mist is ejected from the nozzle 1341, the direction is clockwise, which is opposite to the direction of the air flow.
The water mist delivery device 13 includes a water tank 141, an ultrasonic atomization module 142, and an atomization fan 143. The water tank 141 is used to store purified water. The ultrasonic atomization module 142 is located in the water tank 141 for generating water mist. And the atomizing fan 143 is used to send the mist generated by the ultrasonic atomizing module 142 into the mist delivery device 13. In this embodiment, the atomizing fan 143 is disposed independently of the water tank 141, specifically, an air inducing duct 144 is disposed above the water tank 141, one end of the air inducing duct 144 is communicated with the lower end of the main water mist conveying pipeline 131 and the upper opening of the water tank 141, the other end is an air inlet end, and the atomizing fan 143 is disposed in the air inducing duct 144. After the atomizing fan 143 is turned on, air enters from the air inlet end of the air guiding duct 144, and then drives the water mist generated by the ultrasonic atomizing module 142 to enter the water mist delivery main pipeline 131. The atomizing fan 143 may be an axial flow fan.
In order to further improve the air purification efficiency, in this embodiment, an ultraviolet sterilization device 15 is further formed in the cavity region surrounded by the spiral duct type purification air duct 11. Specifically, the number of the ultraviolet sterilization devices is 3, and the ultraviolet sterilization devices are fixed on the main water mist conveying pipeline 131. Meanwhile, the spiral duct type purifying air duct 11 is made of a transparent material that allows ultraviolet rays to pass through, for example, a tempered glass or a transparent material with a certain local strength such as acrylic. Accordingly, the ultraviolet rays emitted from the ultraviolet ray sterilization device 15 pass through the clean air duct 11 to sterilize and disinfect the air in the clean air duct 11.
In order to continuously and efficiently purify the air, the air purification device of this embodiment further includes a water return pipe 16, one end of which is communicated with the purification air duct 11, specifically, the purification air duct at the lower part of the purification air duct 11 near the purification air inlet 111; and the other end of the return pipe 16 communicates with the water tank 141, and particularly, in this embodiment, with the water tank 141 through the mist delivery main line 131. By providing the water return pipe 16, the water in the clean air duct 11 can be returned to the water tank 141.
The working principle and the generated technical effect of the air purification device with the structure are specifically described as follows:
tap water is added into a water tank 141 of the air purification device, and the water level is 5-15mm higher than that of the ultrasonic atomization module 142. After the ultrasonic atomization module 142 is started, superfine water mist is continuously generated at the position right above the water surface, and the water mist moves upwards along the main water mist conveying pipeline 131. After the atomizing fan 143 in the air guiding duct 144 is turned on, air enters through the air inlet end of the air guiding duct 144, and then the water mist is driven to move rapidly and enter the three water mist conveying branch ducts, and is sprayed out by the nozzle at the end of each branch duct, and the spraying direction of the water mist is opposite to the direction of the air flow in the purifying air duct 11.
The whole purifying air duct 11 is spiral and transparent, and after the purifying fan 12 is turned on, the indoor air enters from the purifying air duct inlet 111 and spirally rises along the purifying air duct 11. The rising air flow is mixed with the superfine water mist for a plurality of times in the purification air duct 11, and the PM2.5 and the water-soluble gaseous pollutants in the air flow are fully acted with the superfine water mist to be captured. The superfine water smoke that carries the pollutant also can collide each other and constantly grow up at the motion in-process, and under the effect of centrifugal force, the air current purifies the wind channel 11 in the spiral and flows the in-process, carries the water smoke of pollutant to the wall motion, constantly flows to along the wall under the action of gravity and purifies the wind channel bottom, finally flows back to the water tank 141 in through return water pipe 16 to make the room air obtain lasting efficient and purify.
After the ultraviolet sterilization device 15 is opened, the emitted ultraviolet rays can pass through the transparent purification air duct 11 to continuously irradiate harmful microorganisms such as bacteria and viruses in air flow of the air duct, and the spiral purification air duct 11 is longer in length, so that sufficient irradiation time for the harmful microorganisms can be ensured, and the harmful microorganisms can be thoroughly killed.
The main factors influencing the efficiency of water mist removal of PM2.5 comprise the particle size of mist drops and the relative speed between the mist drops and the PM 2.5.
On one hand, the fog drops mainly capture PM2.5 through inertial collision between the fog drops and the particulate matter, and according to the aerodynamic action mechanism between the fog drops and the particulate matter, when the particle size of the fog drops is closer to that of the particulate matter, the fog drops are easier to capture; however, as the particle size of the mist droplets is smaller, the mist droplets are more likely to volatilize and change into a gaseous state, and the ability to trap PM2.5 is lost; secondly, as the fog drops gradually collide with each other and grow in the process of moving along with the air flow in the purification air duct, the PM2.5 removing capacity of the fog drops is greatly reduced along with the gradual increase of the particle size of the fog drops. Therefore, the embodiment adopts the mode that the water mist is sprayed into a plurality of different positions in the purification air channel simultaneously, so that the PM2.5 in the air is mixed with the superfine water mist in the purification air channel for a plurality of times. The water smoke of present position input flows along with the air current and the particle size increases, when air-purifying ability will descend, mixes again and carries out air purification with the water smoke of reinput in next position department, has effectively solved water smoke and air and has only flow along with the water smoke when same position mixes, the particle size increases and show the problem that reduces air-purifying ability, has improved air purification efficiency. Moreover, the air purification efficiency is improved by introducing the water mist for many times, so that a complex structure is not required to generate a large amount of water mist, and efficient air purification can be realized only by using the ultrasonic atomization module, so that the air purification device is simple in structure, low in cost, easy to realize, low in noise and small in air flow resistance.
On the other hand, the higher the probability of inertial collision between the mist droplets and the particulate matters, the higher the PM2.5 purification efficiency, and the higher the relative velocity between the mist droplets and the PM2.5, the higher the probability of inertial collision between the mist droplets and the PM2.5 to capture the PM2.5, and the higher the air purification efficiency. In the above embodiment, the opening of the nozzle at the end of the branch water mist delivery pipeline is designed to face the direction opposite to the air flow direction in the purification air duct, so that the water mist is controlled to be ejected in the direction opposite to the air flow direction, the relative speed between the mist droplets and the PM2.5 is increased to the maximum extent, and the purification efficiency of the PM2.5 in the air is improved.
In other preferred embodiments, the multiple branch water mist delivery pipes in the water mist delivery device 13 are arranged to satisfy the following conditions: the closer the water mist inlet communicated with the water mist conveying branch pipeline is to the purified air outlet, the less the water mist quantity conveyed by the water mist conveying branch pipeline is. Also in the above-described embodiment, which includes the first branch line 132, the second branch line 133 and the third branch line 134 arranged from top to bottom, for example, the first branch line 132 is close to the purified air inlet 111 but far from the purified air outlet, and the third branch line 134 is closer to the purified air outlet. Therefore, the amount of the mist delivered by the first branch pipe 132, the second branch pipe 133 and the third branch pipe 134 decreases sequentially, that is, the amount of the mist input into the purifying air duct 11 by the three branch pipes decreases sequentially from top to bottom. Due to the design, on one hand, the closer to the purified air inlet 111, the more pollutants in the air are, the more water mist amount is adopted for purification, the air purification efficiency can be improved, the purification capacity of unit atomization amount can be improved, and the utilization rate of the water mist is improved; on the other hand, the closer to the purified air outlet, the smaller the amount of mist, and the less the amount of mist, the more the droplets can be prevented from escaping from the purified air outlet into the indoor space.
The different water mist quantity that the branch pipeline of water mist transportation carried can adopt multiple modes to realize. For example, it may be implemented by using branch pipes having different pipe diameters such that the closer the branch pipe is to the purified air outlet, the smaller the pipe diameter is. The realization scheme is easy to realize the different atomization amounts of different branch pipelines, but the proportion of the atomization amounts is fixed and unchangeable. For another example, an adjustable baffle may be provided on each of the mist delivery branch pipes, and the opening of the baffle may be adjusted to achieve the amount of mist delivered without the branch pipe. By adopting the implementation scheme, the dynamic and accurate regulation and control of the atomization amount conveyed by different branch pipelines can be realized, but the regulation and control process is complex. The specific mode of adopting realizes that different water smoke delivery branch pipelines deliver different water smoke amounts, can select according to actual conditions.
Fig. 6 is a schematic structural view showing a second embodiment of the air cleaning apparatus of the present invention.
As shown in fig. 6, the air cleaning apparatus of this embodiment includes a cleaning air duct 21, a mist delivery device 22, a mist generation device 23, and a cleaning fan (not shown). The main body of the air purifying duct 21 is a cylindrical structure, a purified air inlet 211 is formed at the lower end, a purified air outlet 212 is formed at the upper end, and the air flows from bottom to top in the air purifying duct 21. The purification air duct 21 is further formed with three water mist inlets, which are a first water mist inlet 213, a second water mist inlet 214 and a third water mist inlet 215 from bottom to top, and the three water mist inlets are located between the purified air inlet 211 and the purified air outlet 212. The water mist delivery device 22 is communicated with the water mist generation device 23, and the water mist delivery device 22 is also communicated with the purification air duct 21 through three water mist inlets. The water mist generated by the water mist generating device 23 is conveyed to the water mist conveying device 22, and the water mist conveying device 22 conveys the water mist into the purification air duct 21 through the three water mist inlets respectively, so that the air in the purification air duct 21 can be mixed with the water mist for multiple times at different heights in the process of flowing from bottom to top.
Further, a separation plate 216 for performing gas-liquid separation is provided in the purge air duct 21. After the air in the purifying air duct 21 is mixed with the water mist delivered by the water mist delivery device 22, PM2.5 in the air flow, water-soluble gaseous pollutants and the ultra-fine water mist are fully acted and captured. The superfine water mist carrying the pollutants can collide with each other and grow continuously in the moving process, and under the action of centrifugal force, the water mist carrying the pollutants continuously flows to the bottom of the purification air duct 21 along the inner wall of the purification air duct 21 and the wall surface of the separation plate 216, and finally is discharged out of the purification air duct 21. The purified air after the water mist purification treatment is blown out to the indoor space from the purified air outlet 212, so that the indoor air is purified.
In order to further improve the air purification treatment effect, the invention also provides an air purification method, which is based on the air purification device of each embodiment and realizes efficient air purification treatment by adjusting the purified air volume and the purified water mist volume according to the concentration of indoor pollutants and the air humidity.
Fig. 7 is a flow chart of an embodiment of the method for air purification according to the present invention, and in particular, is a flow chart of a method for performing air purification based on the air purification apparatus of the foregoing embodiments.
As shown in fig. 7, this embodiment adopts the following processes to realize the regulation and control of air purification:
step 701: and acquiring real-time indoor PM2.5 concentration and real-time indoor air humidity, and comparing with a PM2.5 concentration threshold value and a humidity threshold value respectively.
The real-time acquisition of the indoor PM2.5 concentration and the real-time indoor air humidity can be detected and acquired by arranging a corresponding sensor indoors. Wherein, the PM2.5 concentration threshold is a preset value and is a concentration value used for reflecting whether the indoor PM2.5 concentration exceeds the standard or not. The humidity threshold is also a preset value, and the two humidity thresholds in this embodiment are respectively a first humidity threshold and a second humidity threshold, and the second humidity threshold is smaller than the first humidity threshold. For example, the first humidity threshold is 60% RH (relative humidity value), and the second humidity threshold is 40% RH. Through setting up two humidity threshold values, can reach the optimal air purification treatment effect based on the indoor humidity regulation and control air purification device of difference.
Step 702: and judging whether the real-time indoor PM2.5 concentration is greater than the PM2.5 concentration threshold value. If yes, go to step 703; otherwise, step 706 is performed.
Step 703: after determining that the real-time indoor PM2.5 concentration is greater than the PM2.5 concentration threshold at step 702, it is further determined whether the real-time indoor air humidity is greater than a first humidity threshold. If yes, go to step 704; otherwise, step 705 is performed.
Step 704: and controlling the air purification device to work at a first purification air quantity and a first water mist quantity.
When the real-time indoor PM2.5 concentration is larger than the PM2.5 concentration threshold value in step 702 and the real-time indoor humidity is larger than the first humidity threshold value in step 703, the indoor pollution exceeds the standard and the indoor humidity is more comfortable, and under the condition, the air purification device is controlled to work at the first purification air volume and the first water mist volume.
The control of the first purified air quantity can be realized by controlling the rotating speed of the purifying fan; the control of first water smoke volume, the quantity that accessible control ultrasonic atomization device's ultrasonic atomization piece realized, or realized through the rotational speed of control atomizing fan. Moreover, the corresponding relation between the first purified air quantity and the first water mist quantity is known, and a relation of better air purification efficiency can be achieved. For example, the first purified air volume is 100-150m3The first water mist amount is 200-300mL/h.
Step 705: and controlling the air purification device to work at a second purification air quantity and a second water mist quantity.
When the real-time indoor PM2.5 concentration is larger than the PM2.5 concentration threshold value in step 702 and the real-time indoor humidity is not larger than the first humidity threshold value in step 703, the indoor pollution exceeds the standard and the indoor humidity is smaller, and under the condition, the air purification device is controlled to work at the second purification air volume and the second water mist volume.
The second air purification quantity is larger than the first air purification quantity, and the second water mist quantity is larger than the first water mist quantity, so that the indoor air humidity is increased while the air is purified, and the overall effect of indoor air purification treatment is improved. Furthermore, the corresponding relationship between the second purified air volume and the second mist volume is also known, and is a relationship that can achieve a better air purification efficiency. For example, the second purified air volume is 300-550m3The first water mist amount is 600-900mL/h.
Step 706: after determining that the real-time indoor PM2.5 concentration is not greater than the PM2.5 concentration threshold at step 702, it is further determined that the real-time indoor air humidity is less than the second humidity threshold. If not, go to step 707; if so, go to step 708.
Step 707: and controlling the air purification device to stop working.
If step 702 determines that the real-time indoor PM2.5 concentration is not greater than the PM2.5 concentration threshold, and step 706 determines that the real-time indoor humidity is not less than the second humidity threshold, which indicates that the indoor pollution is not exceeded and that the indoor humidity is appropriate, the air purification device is controlled to stop working, so that energy consumption is reduced, and discomfort in the indoor air humidity due to working of the air purification device is avoided.
Step 708: and controlling the air purification device to work at a second purification air quantity and a second water mist quantity.
If the step 702 determines that the real-time indoor PM2.5 concentration is not greater than the PM2.5 concentration threshold, and the step 706 determines that the real-time indoor humidity is less than the second humidity threshold, which indicates that the indoor pollution does not exceed the standard, and the indoor humidity is lower, the air purification device is controlled to work with a second larger purification air volume and a second larger water mist volume, so that the rapid humidification and adjustment of the indoor air are realized, and the comfort of the indoor air is improved.
In the above control process, if the air purification device is provided with the ultraviolet sterilization device, the ultraviolet sterilization device is synchronously started to work in the starting working process of the air purification device.
The method of the embodiment is adopted to realize air purification, the purified air quantity and the water mist quantity of the air purification device are regulated and controlled according to the concentration of indoor pollutants and the air humidity, the accurate regulation and control of the indoor air pollutant purification rate and the air humidity are realized, and the overall performance of air purification treatment is improved.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. An air purification apparatus, comprising:
a purified air duct, the two ends of which form a purified air inlet and a purified air outlet respectively; a plurality of water mist inlets are formed on the purification air channel, are positioned between the purification air inlet and the purification air outlet and are dispersedly arranged along the air flowing direction in the purification air channel;
a purified air blower for introducing air into the purified air duct from the purified air inlet and sending out the air from the purified air outlet;
the water mist conveying device is used for conveying water mist into the purification air duct through the water mist inlet;
and the water mist generating device is communicated with the water mist conveying device and used for generating water mist and conveying the water mist to the water mist conveying device.
2. The air cleaning device according to claim 1, wherein the cleaning air duct is a spiral duct, and the cleaning fan is formed at an end portion of the cleaning air duct.
3. The air purification apparatus according to claim 2, wherein the water mist delivery means comprises:
one end of the water mist conveying main pipeline is communicated with the water mist generating device, and the other end of the water mist conveying main pipeline is closed;
the water mist conveying branch pipeline is a plurality of paths, one end of each path of water mist conveying branch pipeline is communicated with the water mist conveying main pipeline, and the other end of each path of water mist conveying branch pipeline is communicated with the purification air channel through one water mist inlet.
4. The air cleaning device according to claim 3, wherein the plurality of branch water mist delivery pipes satisfy:
the water mist inlet communicated with the water mist conveying branch pipeline is closer to the purified air outlet, and the water mist conveying amount of the water mist conveying branch pipeline is smaller.
5. The air cleaning apparatus according to claim 3, wherein the mist delivery branch line is formed with a nozzle at an end communicating with the cleaning air duct, the nozzle being located within the cleaning air duct, an opening of the nozzle facing in a direction opposite to a flow direction of air in the cleaning air duct.
6. The air cleaning device according to claim 3, wherein the main body of the main mist delivery pipe and the main body of the branch mist delivery pipe are located in an area surrounded by the spiral duct.
7. The air cleaning device according to claim 2, wherein the spiral duct is made of a transparent material that allows ultraviolet rays to pass therethrough, and an ultraviolet sterilization device is further formed in an area surrounded by the spiral duct.
8. The air cleaning apparatus according to any one of claims 1 to 7, wherein the water mist generating device includes:
a water tank for storing purified water;
the ultrasonic atomization module is positioned in the water tank and used for generating water mist;
and the atomizing fan is used for sending the water mist generated by the ultrasonic atomizing module into the water mist conveying device.
9. The air purification apparatus of claim 8, further comprising:
and one end of the water return pipeline is communicated with the purification air channel, and the other end of the water return pipeline is communicated with the water tank.
10. A method for purifying air by using the air purifying device of any one of the preceding claims 1 to 9, comprising:
acquiring real-time indoor PM2.5 concentration and real-time indoor air humidity, and comparing the real-time indoor PM2.5 concentration and humidity with a PM2.5 concentration threshold and a PM2.5 humidity threshold respectively;
if the real-time indoor PM2.5 concentration is greater than the PM2.5 concentration threshold, controlling the air purification device to work at a first purification air volume and a first water mist volume when the real-time indoor air humidity is greater than a first humidity threshold;
if the real-time indoor PM2.5 concentration is greater than the PM2.5 concentration threshold, controlling the air purification device to work at a second purification air volume and a second water mist volume when the real-time indoor air humidity is not greater than a first humidity threshold; the second purified air volume is larger than the first purified air volume, and the second water mist quantity is larger than the first water mist quantity;
if the real-time indoor PM2.5 concentration is not greater than the PM2.5 concentration threshold, controlling the air purification device to work with the second purification air volume and the second water mist volume when the real-time indoor air humidity is smaller than a second humidity threshold; the second humidity threshold is less than the first humidity threshold;
and if the real-time indoor PM2.5 concentration is not greater than the PM2.5 concentration threshold, controlling the air purification device to stop working when the real-time indoor air humidity is not less than a second humidity threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474937.2A CN115264730A (en) | 2021-04-29 | 2021-04-29 | Air purification device and air purification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474937.2A CN115264730A (en) | 2021-04-29 | 2021-04-29 | Air purification device and air purification method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115264730A true CN115264730A (en) | 2022-11-01 |
Family
ID=83745334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110474937.2A Pending CN115264730A (en) | 2021-04-29 | 2021-04-29 | Air purification device and air purification method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115264730A (en) |
-
2021
- 2021-04-29 CN CN202110474937.2A patent/CN115264730A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4913073B2 (en) | Centrifugal wet air purifier using rotary vaporizer and spiral structure based on labyrinth effect | |
| JP4347012B2 (en) | Air purifier | |
| AU2010283139A1 (en) | Centrifugal, wet-type air cleaner | |
| CN100360859C (en) | Embedded into ceiling or suspended on ceiling type air conditioner and air cleaning unit | |
| US20200141594A1 (en) | Indoor Fresh Air Apparatus | |
| JP2011104359A (en) | Air cleaner | |
| JP2002095924A (en) | Air cleaning apparatus | |
| CN104279618B (en) | Indoor unit of cabinet air conditioner | |
| KR101565094B1 (en) | Air Purifier | |
| KR102617907B1 (en) | Air cleaner | |
| EP1843827A1 (en) | Centrifugal wet type air cleaner utilizing a spin vaporizer and a spiral on the basis of a labyrinth effect | |
| CN115264730A (en) | Air purification device and air purification method | |
| CN205481454U (en) | Indoor air conditioning system | |
| CN205388351U (en) | Indoor air purification system | |
| KR20040105424A (en) | Air Cleaner Having Anion-generation/Humidity-control Function Using UV Lamp | |
| CN107131570A (en) | composite air purifier | |
| CN108592226A (en) | A kind of airborne microorganism particle clarifier of multichannel removal | |
| CN210638141U (en) | Cabinet type air conditioner indoor unit | |
| CN210638132U (en) | Cabinet type air conditioner indoor unit | |
| CN210638135U (en) | Cabinet type air conditioner indoor unit | |
| CN200949882Y (en) | Dehumidifying, humidifying and purifying three-in-one machine | |
| CN210638131U (en) | Cabinet type air conditioner indoor unit | |
| CN116697512A (en) | Water mist washing device | |
| JP3334895B2 (en) | Anion production equipment | |
| KR200239591Y1 (en) | air filter for the airconditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |