CN116747707B - High-efficiency nano material photocatalysis reaction device - Google Patents
High-efficiency nano material photocatalysis reaction device Download PDFInfo
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- CN116747707B CN116747707B CN202311061779.3A CN202311061779A CN116747707B CN 116747707 B CN116747707 B CN 116747707B CN 202311061779 A CN202311061779 A CN 202311061779A CN 116747707 B CN116747707 B CN 116747707B
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- 239000002086 nanomaterial Substances 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 title claims description 38
- 230000001699 photocatalysis Effects 0.000 title description 13
- 238000007146 photocatalysis Methods 0.000 title description 6
- 238000000746 purification Methods 0.000 claims abstract description 70
- 238000013032 photocatalytic reaction Methods 0.000 claims abstract description 27
- 239000011941 photocatalyst Substances 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims 1
- 238000004887 air purification Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 63
- 238000010926 purge Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/30—Silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/70—Non-metallic catalysts, additives or dopants
- B01D2255/702—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
Abstract
The utility model relates to the technical field of air purification, in particular to a high-efficiency nano material photocatalytic reaction device, which comprises a shell, wherein a purification cavity is arranged in the shell, a light source and a plurality of purification rings coaxially sleeved are arranged in the purification cavity, a photocatalyst and a plurality of groups of through holes are arranged on the side wall surface of each purification ring, the through holes on the same vertical height of adjacent purification rings are sequentially corresponding to and staggered with each other along the vertical direction from top to bottom and the radial direction of the purification rings; the shell is provided with an air inlet and an air outlet which are communicated with the purifying cavity, and polluted gas enters the purifying cavity from the air inlet and is discharged from the air outlet after being sequentially purified by a plurality of purifying rings along the radial direction of the purifying rings. Through setting up adjacent purifying ring through-hole on same vertical height corresponds in proper order and dislocation set, on the one hand makes the polluted gas distribute more evenly in purifying the cavity, on the other hand makes the light can shine all surfaces of purifying the ring to improve purification efficiency.
Description
Technical Field
The utility model relates to the technical field of air purification, in particular to a high-efficiency nano material photocatalytic reaction device.
Background
The air purifier is used for filtering harmful substances and gases in the air, so as to achieve the purpose of purifying the air.
The photocatalytic air purifier is one of the air purifiers, and is used for treating harmful substances and gases in the air based on a photocatalytic principle, wherein the photocatalytic principle is based on the oxidation-reduction capability of a photocatalyst under the condition of illumination, so that the purposes of purifying pollutants, synthesizing substances, converting substances and the like can be achieved; in general, the photocatalytic oxidation reaction uses a semiconductor as a catalyst and light as energy to degrade organic matters into carbon dioxide and water and effectively kill bacteria and viruses, so that the photocatalytic technology can be used as an efficient and safe environment-friendly environment purification technology.
In the existing nano material photocatalysis reaction technology, a mode of adopting a filter screen with a photocatalyst covered on the surface to catalyze and decompose pollutants in air is adopted, for example, chinese patent publication No. CN2548051Y discloses a nano photocatalysis air purifying device, the nano photocatalysis air purifying device adopts a pair of grid-shaped nano photocatalyst components with a large surface area and a ultraviolet lamp bracket positioned in the middle of the photocatalyst components, and the ultraviolet lamp bracket is used as a light source to enable the surfaces of all the photocatalyst films to be irradiated by ultraviolet rays, so that the photocatalyst films can purify and decompose the polluted gas.
In the process of purifying the polluted gas, the nano photocatalytic air purifying device can only play a purifying role when the polluted gas passes through the photocatalyst film, and the photocatalyst on the inner side wall surface of the through hole contacts with air, and the photocatalyst on the other surfaces has limited photocatalytic purifying effect due to small contact opportunity with the gas, so that the integral efficiency of purifying the polluted gas is lower.
Disclosure of Invention
Based on this, it is necessary to provide a high-efficiency nano material photocatalytic reaction device for solving the problem of low efficiency of purifying polluted gas in the current air purification process.
The above purpose is achieved by the following technical scheme:
the high-efficiency nano material photocatalytic reaction device comprises a shell, wherein a purification cavity is arranged in the shell, a light source and a plurality of purification rings coaxially sleeved are arranged in the purification cavity, a photocatalyst and a plurality of groups of through holes are formed in the side wall surface of each purification ring, the through holes on the same vertical height of the adjacent purification rings are sequentially corresponding to each other and are arranged in a staggered manner from top to bottom along the vertical direction and along the radial direction of the purification rings;
the shell is provided with an air inlet and an air outlet which are both communicated with the purifying chamber, and polluted gas enters the purifying chamber from the air inlet and is discharged from the air outlet after being sequentially purified by the purifying rings along the radial direction of the purifying rings.
Further, the section of the purification ring is composed of a plurality of isosceles trapezoid patterns, and the same purification ring is symmetrically arranged on the upper side and the lower side of the isosceles trapezoid.
Further, the high-efficiency nanomaterial photocatalytic reaction device further comprises a reaction bin, the reaction bin is arranged inside the purification chamber, and the light source and the purification ring are both arranged inside the reaction bin.
Further, an air deflector is arranged on the inner wall surface of the reaction bin and used for guiding and flowing the polluted gas into the reaction bin.
Further, the inner wall surface of the reaction bin is provided with a reflective coating.
Further, the number of the light sources is a plurality, and the light sources are uniformly distributed between the reaction bin and the outermost purifying ring along the circumferential direction of the purifying ring.
Further, the flow rate of the contaminated gas in the purge chamber is proportional to the proportion of impurities contained in the contaminated gas.
Further, the illumination intensity of the light source is proportional to the proportion of impurities contained in the polluted gas.
Further, the high-efficiency nanomaterial photocatalytic reaction device further comprises a gas sensor for sensing impurities contained in the polluted gas.
Further, the high-efficiency nanomaterial photocatalytic reaction device further comprises a driving member for providing driving force for the polluted gas to enter the purifying cavity from the outside of the shell.
The beneficial effects of the utility model are as follows:
when the high-efficiency nano material photocatalytic reaction device provided by the utility model purifies polluted gas, the polluted gas enters the purifying chamber from the air inlet, and is sequentially purified by the purifying rings along the radial direction of the purifying rings and then discharged from the air outlet, and in the flowing process of the polluted gas, the through holes on the same vertical height of the adjacent purifying rings are sequentially corresponding and staggered from top to bottom along the radial direction of the purifying rings, so that the polluted gas can directly enter the next layer of purifying rings when encountering the corresponding through holes, and part of the polluted gas can diffuse towards two ends along the vertical direction when encountering the staggered through holes, thereby improving the distribution uniformity of the polluted gas, enabling the polluted gas to flow through all the through holes, and further improving the utilization rate of the purifying rings; on the other hand light can directly get into next layer when meetting corresponding through-hole in the purification ring, and then furthest improves the illumination intensity of through-hole department, improves the effect of photocatalysis reaction, and partial light can be at adjacent purification ring between multiple reflection when meetting the through-hole of dislocation, and then improves the distribution homogeneity and the coverage of light for light can shine on the surface of all purification rings, thereby improves the purification efficiency of purification ring.
Drawings
FIG. 1 is a schematic perspective view of a high performance nanomaterial photocatalytic reaction device according to an embodiment of the present utility model;
FIG. 2 is a schematic side view of a high performance nanomaterial photocatalytic reaction device with a filter plate removed according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a device for photocatalytic reaction of high performance nanomaterials according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a partial enlarged structure of the high-performance nanomaterial photocatalytic reaction device shown in FIG. 3;
fig. 5 is a schematic perspective view illustrating the assembly of a reaction chamber, a light source and a purification assembly of a high-performance nano-material photocatalytic reaction device according to an embodiment of the present utility model.
Wherein:
100. a housing; 101. an air inlet; 102. an air outlet; 103. a filter plate; 104. a blower; 105. a partition plate; 106. a gas sensor;
200. a reaction bin; 201. an air inlet; 202. an air deflector; 210. a light source; 230. a purification assembly; 231. a first purge ring; 2311. a first split ring; 2312. a second split ring; 232. a second purge ring; 2321. a third split ring; 2322. a fourth split ring; 233. a third purge ring; 2331. fifth split ring; 2332. and a sixth split ring.
Detailed Description
The present utility model will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 5, the high-performance nano-material photocatalytic reaction device according to an embodiment of the present utility model is used for purifying a polluted gas; in this embodiment, the high-efficiency nanomaterial photocatalytic reaction device is configured to include a housing 100, a purification chamber is disposed in the housing 100, a light source 210 and a purification assembly 230 are disposed in the purification chamber, the purification assembly 230 is configured to include a plurality of purification rings coaxially sleeved, a photocatalyst and a plurality of groups of through holes are disposed on a sidewall surface of each purification ring, the through holes on the same vertical height of adjacent purification rings are sequentially corresponding to and staggered from top to bottom along a vertical direction and along a radial direction of the purification rings; the light source 210 is disposed between the housing 100 and the outermost purge ring.
For example, the purification assembly 230 may be configured to include three purification rings coaxially sleeved, and for convenience of description, the three purification rings coaxially sleeved are sequentially named as a first purification ring 231, a second purification ring 232 and a third purification ring 233 from outside to inside, the first purification ring 231 has multiple groups and continuous first split rings 2311 and second split rings 2312 from top to bottom along a vertical direction, the second purification ring 232 has multiple groups and continuous third split rings 2321 and fourth split rings 2322, the third purification ring 233 has multiple groups and continuous fifth split rings 2331 and sixth split rings 2332, wherein the first split rings 2311, the third split rings 2321 and the fifth split rings 2331 are all located at the same vertical height, through holes on the first split rings 2311 and through holes on the third split rings 2321 are arranged in a staggered manner, and the through holes on the third split rings 2321 and through holes on the fifth split rings 2322 are correspondingly arranged, and the second split rings 2312, the fourth split rings 2322 and the sixth split rings 2322 are located at the same vertical height, and the through holes 2322 are arranged alternately on the fourth split rings 2332 and the fourth split rings 2332.
The housing 100 is provided with an air inlet 101 and an air outlet 102 which are both communicated with the purifying chamber, and polluted air enters the purifying chamber from the air inlet 101, sequentially passes through the first purifying ring 231, the second purifying ring 232 and the third purifying ring 233 along the radial direction of the first purifying ring 231, and is discharged from the air outlet 102; in the process of the flow of the polluted gas, taking the first split ring 2311, the third split ring 2321 and the fifth split ring 2331 which are at the same vertical height as an example, when the polluted gas flows from the purifying chamber to the first split ring 2311, as the through holes are formed in the first split ring 2311, a part of the polluted gas diffuses to two ends of the first purifying ring 231 along the vertical direction, thereby improving the mobility of the polluted gas between the housing 100 and the first purifying ring 231, another part of the polluted gas passes through the through holes in the first purifying ring 231 to reach between the first purifying ring 231 and the second purifying ring 232, and due to the staggered arrangement of the through holes in the first split ring 2311 and the through holes in the third split ring 2321, the first part of the polluted gas between the first purifying ring 231 and the second purifying ring 232 diffuses to two ends of the second purifying ring 232 along the vertical direction, and the other part of the polluted gas passes through the through holes in the second purifying ring 232 to reach the position between the second purifying ring 232 and the third purifying ring 233, and the polluted gas can pass through the through holes in the third split ring 233 and the third split ring 233 to reach the first purifying ring 233 and the second purifying ring 232, and the polluted gas can reach the same level as the first split ring 233 and the second split ring 233, and the first split ring 233 can reach the normal flow between the first split ring 232 and the second split ring 232, and the normal flow between the polluted gas can reach the first split ring and the first split ring 231 and the second split ring.
Meanwhile, the light source 210 is started, the light source 210 emits light to irradiate the first purifying ring 231, and taking the first separating ring 2311, the third separating ring 2321 and the fifth separating ring 2331 which are positioned at the same vertical height as an example, because the through holes are formed in the first separating ring 2311, part of the light is reflected back into the purifying chamber, the other part of the light passes through the through holes in the first purifying ring 231 to reach the position between the first purifying ring 231 and the second purifying ring 232, and because the through holes in the first separating ring 2311 and the through holes in the third separating ring 2321 are arranged in a staggered manner, part of the light between the first purifying ring 231 and the second purifying ring 232 is reflected back and forth between the first separating ring 2311 and the third separating ring 2321, and the other part of the light passes through the through holes in the third separating ring 2321 to reach the position between the second purifying ring 232 and the third purifying ring 233, and the light passing through the through holes in the third separating ring 233 correspondingly arranged, so that the light passing through holes in the third purifying ring 233 can reach the position between the third purifying ring 233, and the light can take the effect of furthest improving the light and the light to take effect on the inside of the purifying ring 233; on the other hand, the uniformity of distribution and coverage of the light are improved so that the light can be irradiated on all surfaces of the first, second and third purge rings 231, 232 and 233, thereby improving the purge efficiency of the first, second and third purge rings 231, 232 and 233.
Specifically, the photocatalyst may be configured to employ one of titanium dioxide, graphene, or nano-silica.
In particular, the light source 210 may be configured to employ one of a mercury lamp, a xenon lamp, or an ultraviolet lamp.
In some embodiments, the section of the purifying ring is formed by a plurality of isosceles trapezoid shaped patterns, and the same purifying ring is symmetrically arranged on the upper and lower adjacent isosceles trapezoids, so that the reflection frequency of light between the adjacent purifying rings is higher in the purifying process of the polluted gas, and the distribution uniformity and coverage range of the light are improved.
Specifically, the first split ring 2311, the third split ring 2321 and the fifth split ring 2331 may be disposed in parallel, and the second split ring 2312, the fourth split ring 2322 and the sixth split ring 2332 may be disposed in parallel, so that an included angle between the light and the first purifying ring 231, the second purifying ring 232 or the third purifying ring 233 is changed more during the irradiation process of the light, thereby helping to improve the reflection frequency of the light between the adjacent purifying rings.
In other embodiments, as shown in fig. 4, the extension plane of the surface of the first split ring 2311 and the extension plane of the surface of the third split ring 2321 may be disposed to intersect, and the first split ring 2311 and the fifth split ring 2331 may be disposed to be parallel; the extending plane of the surface of the second split ring 2312 and the extending plane of the surface of the fourth split ring 2322 may be set to intersect, and the second split ring 2312 and the sixth split ring 2332 may be set to be parallel, so that an included angle between the light and the first, second or third purge rings 231, 232 or 233 is changed more greatly and the light is more easily irradiated to the inward sides of the first, second and third purge rings 231, 232 and 233 during the irradiation of the light, thereby helping to improve the reflection frequency of the light between the adjacent purge rings.
It can be understood that, on the premise that the section of the purifying ring is formed by a plurality of isosceles trapezoid-shaped patterns, and the same purifying ring is symmetrically arranged on the upper and lower adjacent isosceles trapezoids, no matter the shape relation of the adjacent purifying rings is parallel or staggered, the purifying ring is rectangular relative to the section, and the purifying ring formed by a plurality of isosceles trapezoid-shaped patterns has the effect of improving the light reflection frequency.
In other embodiments, the high-efficiency nano material photocatalytic reaction device is set to further comprise a reaction bin 200, the reaction bin 200 is arranged inside the purification chamber, openings are formed in the upper portion and the lower portion of the reaction bin 200, an air guiding opening 201 is formed in the side wall surface of the reaction bin 200, the air guiding opening 201 is communicated with the purification chamber, a light source 210 and a purification ring are arranged inside the reaction bin 200, and then in the flowing process of polluted gas, light emitted by the light source 210 can be reflected only inside the reaction bin 200, so that the probability of light irradiation on the purification ring is improved, and the utilization rate of the purification ring is improved while the utilization rate of energy is improved.
Specifically, to improve the efficiency of purifying the polluted gas, the number of the air-entraining ports 201 may be two, and the two air-entraining ports 201 are symmetrically arranged on the reaction chamber 200, so that the polluted gas can be introduced into the reaction chamber 200 from the two air-entraining ports 201, and the amount of the polluted gas entering the reaction chamber 200 is improved.
It will be appreciated that the number of air inlets 101 may be two and arranged opposite to each other, and that one air inlet 101 and one air bleed 201 are arranged correspondingly, so that the polluted air can be introduced into the reaction chamber 200 from the two air inlets 101 through the corresponding air bleed 201 at the same time, and the amount of polluted air entering the reaction chamber 200 is increased.
In a further embodiment, as shown in fig. 5, an air deflector 202 is fixedly arranged on the inner wall surface of the reaction chamber 200, the air deflector 202 is arranged in an arc shape and is biased to the axis of the purification ring, the air deflector 202 and the air entraining port 201 are correspondingly arranged, the radian radius of the air deflector 202 is smaller than that of the air entraining port 201, the air deflector 202 is used for guiding the polluted gas into the reaction chamber 200 from the air entraining port 201, and then the polluted gas can enter the reaction chamber 200 and encircle the reaction chamber 200 under the action of the air deflector 202 in the flowing process of the polluted gas.
In other embodiments, the inner wall surface of the reaction chamber 200 is provided with a reflective coating, so that the light emitted by the light source 210 can only pass through the purification ring and reflect inside the purification ring during the flowing process of the polluted gas, thereby improving the utilization rate of the light and the utilization rate of the purification ring.
In other embodiments, the number of the light sources 210 may be multiple, and the multiple light sources 210 are uniformly distributed between the reaction chamber 200 and the outermost purifying ring along the circumferential direction of the purifying ring, so that in the purifying process of the polluted gas, the multiple light sources 210 emit light to the first purifying ring 231, the second purifying ring 232 and the third purifying ring 233 at the same time, thereby improving the purifying efficiency of the polluted gas; for example, the number of the light sources 210 may be set to six, and the six light sources 210 are uniformly distributed between the reaction chamber 200 and the first purge ring 231 in the circumferential direction of the first purge ring 231.
In some embodiments, the flow rate of the contaminated gas within the purge chamber is proportional to the proportion of impurities contained within the contaminated gas, i.e., the higher the proportion of impurities contained within the contaminated gas, the greater the purge capacity required to account for the contaminated gas, helping to increase the purge efficiency of the contaminated gas by increasing the flow rate of the contaminated gas within the purge chamber.
In some embodiments, the illumination intensity of the light source 210 is proportional to the proportion of impurities contained in the polluted gas, that is, the higher the proportion of impurities contained in the polluted gas, the greater the purifying capacity required for the polluted gas, and the purifying efficiency of the polluted gas is improved by improving the illumination intensity of the light source 210.
In some embodiments, as shown in fig. 3, the high-performance nanomaterial photocatalytic reaction device is configured to further include a gas sensor 106, where the gas sensor 106 is disposed at the bottom of the housing 100, and the gas sensor 106 is configured to sense impurities contained in the polluted gas.
In some embodiments, the high-efficiency nanomaterial photocatalytic reaction device is further configured to include a driving member for providing a driving force for the contaminated gas from the outside of the enclosure 100 into the purification chamber, and in this embodiment, as shown in fig. 2, the driving member is configured to include a blower 104, where the blower 104 is rotatably disposed on a sidewall surface of the enclosure 100, and the blower 104 is configured to provide wind power to drive the contaminated gas from the outside of the enclosure 100 into the purification chamber.
Specifically, in order to facilitate the installation and ventilation of the blower 104, a partition plate 105 is disposed on a side wall surface of the housing 100 and at a position corresponding to the blower 104, and a plurality of coaxially disposed annular through holes are disposed on the partition plate 105, so that the annular through holes facilitate the ventilation.
Specifically, in order to improve the purifying efficiency of the photocatalyst, a filter plate 103 is provided outside the blower 104, and the filter plate 103 is used for filtering out solid impurities contained in the polluted gas.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The high-efficiency nano material photocatalytic reaction device is characterized by comprising a shell, wherein a purification cavity is arranged in the shell, a light source and a plurality of purification rings coaxially sleeved are arranged in the purification cavity, a photocatalyst and a plurality of groups of through holes are formed in the side wall surface of each purification ring, the through holes on the same vertical height of the adjacent purification rings are sequentially corresponding to each other and are arranged in a staggered manner from top to bottom along the vertical direction and along the radial direction of the purification rings; the shell is provided with an air inlet and an air outlet which are both communicated with the purifying chamber, polluted gas enters the purifying chamber from the air inlet and is discharged from the air outlet after being purified by a plurality of purifying rings in sequence along the radial direction of the purifying rings, the high-efficiency nano material photocatalytic reaction device also comprises a reaction bin, the reaction bin is arranged in the purifying chamber, the light sources and the purifying rings are both arranged in the reaction bin, the number of the light sources is a plurality, and the light sources are uniformly distributed between the reaction bin and the outermost purifying ring along the circumferential direction of the purifying rings; the three purification rings coaxially sleeved are a first purification ring, a second purification ring and a third purification ring sequentially from top to bottom along the vertical direction, the first purification ring is provided with a plurality of groups of continuous first split rings and second split rings, the second purification ring is provided with a plurality of groups of continuous third split rings and fourth split rings, the third purification ring is provided with a plurality of groups of continuous fifth split rings and sixth split rings, the first split rings, the third split rings and the fifth split rings are all located at the same vertical height, through holes on the first split rings and through holes on the third split rings are arranged in a staggered mode, through holes on the third split rings and through holes on the fifth split rings are correspondingly arranged, and the second split rings, the fourth split rings and the sixth split rings are all located at the same vertical height, and the through holes on the second split rings and the through holes on the fourth split rings are correspondingly arranged, and the through holes on the fourth split rings are alternately arranged.
2. The high-efficiency nanomaterial photocatalytic reaction device of claim 1, wherein the cross section of the purification ring is composed of a plurality of isosceles trapezoid-shaped patterns, and the same purification ring is symmetrically arranged on the upper and lower adjacent isosceles trapezoids.
3. The high-efficiency nanomaterial photocatalytic reaction device of claim 1, wherein an air deflector is disposed on an inner wall surface of the reaction chamber, and the air deflector is configured to guide the polluted gas into the reaction chamber.
4. The high-efficiency nanomaterial photocatalytic reaction device of claim 1, wherein a reflective coating is provided on an inner wall surface of the reaction chamber.
5. The high performance nanomaterial photocatalytic reaction device of claim 1, wherein the flow rate of the contaminated gas within the purification chamber is proportional to the proportion of impurities contained within the contaminated gas.
6. The high performance nanomaterial photocatalytic reaction device of claim 1, wherein the light intensity of the light source is proportional to the proportion of impurities contained in the contaminated gas.
7. The high-performance nanomaterial photocatalytic reaction device of claim 5 or 6, further comprising a gas sensor for sensing impurities contained in the contaminated gas.
8. The high performance nanomaterial photocatalytic reaction device of claim 1, further comprising a driver to provide a driving force for the contaminant gas from outside the enclosure into the purification chamber.
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| CN202311061779.3A CN116747707B (en) | 2023-08-23 | 2023-08-23 | High-efficiency nano material photocatalysis reaction device |
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| CN202311061779.3A CN116747707B (en) | 2023-08-23 | 2023-08-23 | High-efficiency nano material photocatalysis reaction device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11351623A (en) * | 1998-06-09 | 1999-12-24 | Aiwa Co Ltd | Air cleaner |
| CN102671597A (en) * | 2011-12-15 | 2012-09-19 | 河南科技大学 | Gas-lift loop photo-catalytic reactor for fluidized beds |
| CN214148237U (en) * | 2020-09-01 | 2021-09-07 | 中国科学院理化技术研究所 | Air purification subassembly reaches air purification device including it |
| WO2023139800A1 (en) * | 2022-01-21 | 2023-07-27 | 東洋興商株式会社 | Photocatalyst air purification unit and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2489373A1 (en) * | 2001-06-14 | 2012-08-22 | Zexel Valeo Climate Control Corporation | Photocatalyst deodorizer |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11351623A (en) * | 1998-06-09 | 1999-12-24 | Aiwa Co Ltd | Air cleaner |
| CN102671597A (en) * | 2011-12-15 | 2012-09-19 | 河南科技大学 | Gas-lift loop photo-catalytic reactor for fluidized beds |
| CN214148237U (en) * | 2020-09-01 | 2021-09-07 | 中国科学院理化技术研究所 | Air purification subassembly reaches air purification device including it |
| WO2023139800A1 (en) * | 2022-01-21 | 2023-07-27 | 東洋興商株式会社 | Photocatalyst air purification unit and device |
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