CN107983153B - Photocatalysis air purifying device - Google Patents
Photocatalysis air purifying device Download PDFInfo
- Publication number
- CN107983153B CN107983153B CN201711417063.7A CN201711417063A CN107983153B CN 107983153 B CN107983153 B CN 107983153B CN 201711417063 A CN201711417063 A CN 201711417063A CN 107983153 B CN107983153 B CN 107983153B
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- CN
- China
- Prior art keywords
- pipeline
- wind shield
- fan
- photocatalysis
- bladeless fan
- 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.)
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Classifications
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- 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
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- 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
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
A photocatalysis air purifying device comprises a bladeless fan, wherein a pipeline which is concentric with the inner wall of the bladeless fan and has the same diameter is connected with the bladeless fan in a seamless way, and the inner surface of the pipeline is coated with photocatalysis materials; the inner surface of the pipeline is longitudinally and uniformly provided with a rail, a wind shield is arranged in the pipeline, a wheel shaft is arranged on the wind shield, and the wheel shaft corresponds to the rail; the inner surface of the pipeline is provided with a carrier, the surface of the carrier is coated with photocatalytic material, and ultraviolet lamps are longitudinally and uniformly arranged on both sides of the carrier. The vaneless fan adopts a stepping mode, and performs photocatalysis air purification during normal working gear; when the device is used for cleaning a gear, the air quantity of the fan is increased, and the movable fan blades are closed, so that the local air speed near the catalytic material is increased, the surface ash removal of the automatic catalytic material is realized, and the service life of the photocatalytic device can be prolonged. The blade-free fan is adopted, so that the problem of dust deposition by the blades is solved.
Description
Technical Field
The invention relates to an air purification device, in particular to a self-cleaning photocatalytic air purification device, and belongs to the field of air purification.
Background
In recent years, global climate conditions are getting worse and worse, and especially in most areas of China, air quality is seriously threatened, and air pollution is also regarded as important by all parties. With the improvement of living standard, people are focusing on environmental problems, and air closely related to living health of people is highly valued by people.
Nowadays, people's quality improves, focuses on the air quality change constantly, also begins to look for various modes that make oneself and family's living environment safer, and most people choose to use anti-haze gauze mask, nevertheless not only outdoor people need to keep apart oneself with polluted air constantly, in indoor, people still need to protect oneself from harmful substance's invasion. In order to meet the demands of people, various air purifying devices appear on the market, and at present, the adopted photocatalysis device has lower cost and can not cause secondary pollution. However, the existing devices on the market are complicated in structure, high in cost and difficult to clean. A photocatalytic air purification device disclosed in, for example, patent document publication No. CN83475155B, which includes a spiral passage with an air inlet and an air outlet, in which a plurality of catalytic units are arranged; the catalytic unit comprises a catalyst carrier with a pore structure and a g-C3N4 photocatalyst attached to the catalyst carrier, wherein the periphery of the catalyst carrier is in sealing connection with the inner surface of the spiral channel; the side wall of the spiral channel is made of a light-transmitting material, and a visible light source for irradiating the g-C3N4 photocatalyst is arranged in the spiral channel. The spiral channel structure is adopted to guide airflow, so that the photocatalysis efficiency is improved. However, the device adopts leaf motor and spiral passageway, easily hides dirt on blade and the spiral bend, and is difficult for wasing, leads to the dust to cover the photocatalytic material for this photocatalytic material is difficult for fully contacting with the air, and has the blade of leaf motor to probably bring the hidden danger to the safety, and this photocatalytic device is unfavorable for using in family and large-scale place.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a photocatalysis air purifying device which is provided with an automatic cleaning photocatalysis air purifying device.
The invention is realized by the following technical scheme.
The invention relates to a photocatalysis air purifying device, which comprises a bladeless fan, wherein a pipeline which is concentric and concentric with the inner surface of the bladeless fan and has the same diameter is connected with the bladeless fan in a seamless way, and the inner surface of the pipeline is made of photocatalysis material; four tracks are longitudinally and uniformly arranged on the inner surface of the pipeline, a wind shield is arranged in the pipeline, a wheel shaft is arranged on the wind shield, and the wheel shaft corresponds to the tracks; four carriers are hermetically connected on the inner surface of the pipeline along the direction of the circle center, the surfaces of the carriers are made of photocatalytic materials, four to six ultraviolet lamps are longitudinally and uniformly arranged on the two sides of the carriers, and the ultraviolet lamp lines are arranged inside the carriers.
Gaps are formed between the wind shield and the inner surface of the pipeline 7 and the carrier, movable fan blades are arranged on the wind shield, a hinge is arranged between one side of each movable fan blade and the wind shield, the movable fan blades are matched with the opening of the wind shield and can only be opened on one side, and the opening range of each movable fan blade is 0-75 degrees.
The bladeless fan is provided with a gear shifting switch, and the gear shifting switch is at least provided with two gears (such as a working gear and a cleaning gear).
The working principle of the invention is as follows: when the bladeless fan is adjusted to a normal working gear, a friction force F1 exists between the rail and the wheel shaft, the wind force F1 born by the wind shield is smaller than the sum of the friction force F1 and the gravity G of the wind shield, and the wind shield is stationary at the moment; the friction force f2 exists between the hinge and the movable fan blade, the wind force i1 borne by the movable fan blade is smaller than the sum of the friction force f2 and the gravity g of the movable fan blade, and the movable fan blade is opened downwards. When the gear shifting switch is adjusted to a cleaning gear, the wind force i2 borne by the movable fan blade is larger than the sum of f2 and the gravity g of the movable fan blade, and at the moment, the movable fan blade is closed upwards; when the movable fan blade is closed, the wind force F2 born by the wind shield is larger than the sum of the friction force F1 and the gravity G of the wind shield, and the wind shield moves upwards along the track. When the gear shifting switch is again shifted to the working gear, the gravity G of the wind shield is larger than the sum of the upward wind force F1 and the friction force F1 born by the wind shield, and the wind shield moves downwards.
A main switch is arranged on the outer surface of the photocatalysis device and is used for controlling the operation of the ultraviolet lamp and the bladeless fan.
The invention has the beneficial effects that:
1. the invention adopts a stepping mode, the air speed of the bladeless fan is smaller in the working gear, and the movable fan blade is in a downward opening state at the moment, so that the air inlet is uniform in the gear, and the stay time is longer, thereby the pollutants in the air can be removed more efficiently and thoroughly.
2. When the cleaning gear is used, the wind speed of the bladeless fan is increased, the movable fan blades are closed at the moment, so that the local wind speed near the catalytic material is increased, the ash removal effect is realized, the wind flow acting force borne by the wind shield is increased, the wind shield automatically moves upwards, the whole gradual ash removal is realized, the purposes of cleaning a carrier and an ultraviolet lamp are achieved, the catalyst is prevented from being covered and deactivated, the catalyst is enabled to be activated, the effect of an automatic cleaning device can be achieved, the photocatalysis efficiency is improved, and the service life of the photocatalysis device can be prolonged.
3. The blade-free fan is adopted, so that the problem of dust deposition by the blades is solved.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention.
Fig. 2 is a partial enlarged view of the wind deflector.
Fig. 3 is an enlarged view of a portion of a movable blade.
The novel air conditioner comprises a rail 1, an ultraviolet lamp 2, a carrier 3, a bladeless fan 4, a gear shift switch 5, a main switch 6, a pipeline 7, an air inlet 8, an air outlet 9, a wind shield 10, a movable fan blade 11, a gap 12, a wheel shaft 13, a hinge 14 and a rubber baffle 15.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings.
A main switch 6 is arranged on the outer surface of the photocatalysis device and is used for controlling the operation of an ultraviolet lamp 2 and a bladeless fan 4. The device comprises a bladeless fan 4 with an air inlet 8, wherein a pipeline 7 with the same diameter and the same center as the inner surface of the bladeless fan 4 is connected with the bladeless fan 4 in a seamless manner, and the inner surface of the pipeline 7 is made of photocatalysis material; three to four tracks 1 are longitudinally and uniformly arranged on the inner surface of the pipeline 7, an axle 13 is arranged on the tracks 1, and a fixed wind deflector 10 is arranged on the axle 13; three to four carriers 3 are hermetically connected on the inner surface of the pipeline 7 along the direction of the circle center, the surfaces of the carriers 3 are all made of photocatalytic materials, four to six ultraviolet lamps 2 are longitudinally and uniformly arranged on two sides of the carriers 3, and the circuits of the ultraviolet lamps 2 are arranged inside the carriers 3.
Gaps 12 are formed between the wind shield 10 and the inner surface of the pipeline 7 and the carrier 3, movable blades 11 are arranged on the wind shield 10, a hinge 14 is arranged between one side of each movable blade 11 and the wind shield 10, the movable blades 11 are matched with the opening of the wind shield 10 and can only be opened on one side, and the opening range of each movable blade 11 is 0-75 degrees.
The bladeless fan 4 is provided with a gear shift switch 5, and the gear shift switch 5 is at least provided with a working gear and a cleaning gear. After the main switch 6 is turned on, the ultraviolet lamp 2 is turned on, the bladeless fan 4 is electrified, when the bladeless fan 4 is adjusted to a normal working gear, a friction force F1 exists between the rail 1 and the wheel shaft 13, the wind force F1 born by the wind shield 10 is smaller than the sum of the friction force F1 and the gravity G of the wind shield 10, and the wind shield 10 is stationary at the moment; the friction force f2 exists between the hinge 14 and the movable fan blade 11, at the moment, the wind force i1 borne by the movable fan blade 11 is smaller than the sum of the friction force f2 and the gravity g of the movable fan blade 11, at the moment, the movable fan blade 11 is opened downwards, and because the movable fan blade 11 is in a downward opening state, the air inlet quantity is large in the gear, the residence time is long, so that a large amount of pollutants in the air can be removed more efficiently and thoroughly, and the purified air is discharged from the air inlet 9.
When the gear shift switch 5 is adjusted to a cleaning gear, the wind force i2 borne by the movable fan blade 11 is larger than the sum of f2 and the gravity g of the movable fan blade 11, at the moment, the movable fan blade 11 is closed upwards, so that the air inlet 8 is reduced, a gap 12 exists near the catalytic material, and then the local wind speed near the catalytic material is increased, so that the ash removal effect is realized; when the movable fan blade 11 is closed, the wind force F2 received by the wind shield 10 is larger than the sum of the friction force F1 and the gravity G of the wind shield 10, and the wind shield 10 moves upwards along the track 1, so that the whole ash removal is realized, the purposes of cleaning the carrier 3 and the ultraviolet lamp 2 are achieved, the catalyst is prevented from being covered and deactivated, the catalyst is regenerated, the effect of an automatic cleaning device can be achieved, the photocatalysis efficiency is improved, and the service life of the photocatalysis device can be prolonged. When the shift switch 5 is shifted to the working position again, the gravity G of the wind deflector 10 is larger than the sum of the upward wind force F1 and the friction force F1 received by the wind deflector 10, the wind deflector 10 moves downwards, and the wind deflector automatically falls back to the original position.
The photocatalytic air purification device of the present embodiment is also used in various places, and the specific embodiments of the present invention are described in detail above, but the present invention is not limited to the specific details of the above embodiments, and various modifications may be made to the technical solutions of the present invention within the scope of the technical concept of the present invention, and these modifications are all within the scope of the present invention.
Claims (1)
1. The photocatalysis air purifying device is characterized by comprising a bladeless fan, wherein a pipeline which is concentric and has the same diameter with the inner surface of the bladeless fan is connected with the bladeless fan in a seamless way, and the inner surface of the pipeline is made of photocatalysis material; four tracks are longitudinally and uniformly arranged on the inner surface of the pipeline, a wind shield is arranged in the pipeline, a wheel shaft is arranged on the wind shield, and the wheel shaft corresponds to the tracks; four carriers are hermetically connected on the inner surface of the pipeline along the direction of the circle center, the surfaces of the carriers are made of photocatalytic materials, four to six ultraviolet lamps are longitudinally and uniformly arranged on the two sides of the carriers, and the ultraviolet lamp lines are arranged in the carriers;
gaps are formed between the wind shield and the inner surface of the pipeline and the carrier, a movable fan blade is arranged on the wind shield, a hinge is arranged between one side of the movable fan blade and the wind shield, the movable fan blade is matched with an opening of the wind shield and can only be opened to one side of the bladeless fan, and the opening range of the movable fan blade is 0-75 degrees;
the bladeless fan is provided with a gear shifting switch, and the gear shifting switch is at least provided with a working gear and a cleaning gear.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711417063.7A CN107983153B (en) | 2017-12-25 | 2017-12-25 | Photocatalysis air purifying device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711417063.7A CN107983153B (en) | 2017-12-25 | 2017-12-25 | Photocatalysis air purifying device |
Publications (2)
Publication Number | Publication Date |
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CN107983153A CN107983153A (en) | 2018-05-04 |
CN107983153B true CN107983153B (en) | 2023-10-03 |
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CN201711417063.7A Active CN107983153B (en) | 2017-12-25 | 2017-12-25 | Photocatalysis air purifying device |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109731448B (en) * | 2019-02-26 | 2021-05-11 | 郑州常春藤环保科技有限公司 | Integrated VOCs treatment device combining excimer radiation |
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CN101394916A (en) * | 2006-04-06 | 2009-03-25 | 松下电器产业株式会社 | Denitrification apparatus and denirification equipment for tunnel |
CN102721118A (en) * | 2012-05-31 | 2012-10-10 | 姚仲飞 | Air purification device |
CN103495195A (en) * | 2013-09-18 | 2014-01-08 | 浙江大学 | Photocatalytic type air purification device and method |
CN103990347A (en) * | 2014-06-06 | 2014-08-20 | 国家电网公司 | Water-filter type air purifying device |
CN204159209U (en) * | 2014-09-12 | 2015-02-18 | 合肥阿德勒电器有限公司 | A kind of novel tubular photocatalysis air cleaning device |
CN104524971A (en) * | 2015-01-20 | 2015-04-22 | 宁夏科行环保工程有限公司 | Specific ash removal device for catalyst |
CN105561788A (en) * | 2015-12-14 | 2016-05-11 | 江苏肯创催化剂再生技术有限公司 | SCR (Selective Catalytic Reduction) catalyst module ash cleaning device |
CN207838716U (en) * | 2017-12-25 | 2018-09-11 | 南昌大学 | A kind of photocatalysis air cleaning device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030143133A1 (en) * | 2002-01-31 | 2003-07-31 | Liu Wei Ju | Air cleaning apparatus |
US8128869B2 (en) * | 2009-10-05 | 2012-03-06 | Hussmann Corporation | Air sanitization system with variable speed fan |
-
2017
- 2017-12-25 CN CN201711417063.7A patent/CN107983153B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101394916A (en) * | 2006-04-06 | 2009-03-25 | 松下电器产业株式会社 | Denitrification apparatus and denirification equipment for tunnel |
CN102721118A (en) * | 2012-05-31 | 2012-10-10 | 姚仲飞 | Air purification device |
CN103495195A (en) * | 2013-09-18 | 2014-01-08 | 浙江大学 | Photocatalytic type air purification device and method |
CN103990347A (en) * | 2014-06-06 | 2014-08-20 | 国家电网公司 | Water-filter type air purifying device |
CN204159209U (en) * | 2014-09-12 | 2015-02-18 | 合肥阿德勒电器有限公司 | A kind of novel tubular photocatalysis air cleaning device |
CN104524971A (en) * | 2015-01-20 | 2015-04-22 | 宁夏科行环保工程有限公司 | Specific ash removal device for catalyst |
CN105561788A (en) * | 2015-12-14 | 2016-05-11 | 江苏肯创催化剂再生技术有限公司 | SCR (Selective Catalytic Reduction) catalyst module ash cleaning device |
CN207838716U (en) * | 2017-12-25 | 2018-09-11 | 南昌大学 | A kind of photocatalysis air cleaning device |
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CN107983153A (en) | 2018-05-04 |
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