CN110339689A - Air cleaning unit, mechanical ventilation system - Google Patents

Air cleaning unit, mechanical ventilation system Download PDF

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Publication number
CN110339689A
CN110339689A CN201910589159.4A CN201910589159A CN110339689A CN 110339689 A CN110339689 A CN 110339689A CN 201910589159 A CN201910589159 A CN 201910589159A CN 110339689 A CN110339689 A CN 110339689A
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CN
China
Prior art keywords
net
cleaning unit
air cleaning
air
oxysulfide
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Pending
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CN201910589159.4A
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Chinese (zh)
Inventor
齐彦兴
袁征
杨敏
郑欣梅
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Zhongan Ruili (beijing) Technology Co Ltd
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Zhongan Ruili (beijing) Technology Co Ltd
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Priority to CN201910589159.4A priority Critical patent/CN110339689A/en
Publication of CN110339689A publication Critical patent/CN110339689A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/66—Ozone
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • 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
    • 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
    • B01D53/75—Multi-step 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81—Solid phase processes
    • B01D53/82—Solid phase processes with stationary reactants
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7027—Aromatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
    • 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
    • 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

The present invention relates to technical field of air purification, more particularly to a kind of air cleaning unit, mechanical ventilation system.The air cleaning unit includes one or both of light catalytic purifying net and nitrogen oxides/oxysulfide purifying net；The light catalytic purifying net and the nitrogen oxides/oxysulfide purifying net carrier are high hole metal mesh.

Description

Air cleaning unit, mechanical ventilation system
Technical field
The present invention relates to technical field of air purification, more particularly to a kind of air cleaning unit, mechanical ventilation system.
Background technique
In current urban development process, the processes such as power generation, metallurgy, petrochemical industry, motor vehicle exhaust emission, heating, cooking row The flue dust put and all kinds of exhaust gas constituents are complicated, wherein comprising minute solid particles object, oxycarbide, nitrogen oxides, oxysulfide, Benzene series and other class volatile organic matters etc. are huge to human health damage.
In addition to this, indoor living environment is because of the use of finishing, the consumer goods and chemicals, building and ornament materials and a People's activity can also generate the air pollutants such as minute solid particles object and formaldehyde, benzene series.
Room air pollution caused by above-mentioned exogenous and endogenous factor is got worse, though current purge technology can reduce The hazards of pollutants such as PM2.5, formaldehyde, microorganism, but treatment types are limited, and processing depth is inadequate, also tends to have ignored secondary The harm of pollution.In addition, the less technology matching considered between every kind of cleaning equipment inherent characteristics and equipment of current purge technology Property, air comprehensive purification efficiency is restricted.Often bring is high windage to the high device of purification efficiency, is caused on equipment energy consumption Liter and noise.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of air cleaning units, indoor/outdoor air exchange system.
According to an aspect of the present invention, a kind of air cleaning unit is provided, including light catalytic purifying net and nitrogen oxides/ One or both of oxysulfide purifying net；The light catalytic purifying net and the nitrogen oxides/oxysulfide purifying net Carrier is high hole metal mesh.
According to embodiment of the present invention, air cleaning unit includes light catalytic purifying net, in this case, empty Air purifying apparatus will also include ultraviolet source.
According to embodiment of the present invention, the high hole metal mesh in the light catalytic purifying net, as carrier On be uniformly supported with nano composite photo-catalyst.
According to embodiment of the present invention, the nano composite photo-catalyst is the nanometer modified through quantum dot TiO2。
According to embodiment of the present invention, quantum dot can be one or both of carbon quantum dot, nitrogen quantum dot. Correspondingly, the nano composite photo-catalyst can be the nano-TiO modified through carbon quantum dot2, through carbon quantum dot modification receiving Rice TiO2One or both of.
According to embodiment of the present invention, the height in the nitrogen oxides/oxysulfide purifying net, as carrier The mesoporous silicon based molecular sieve that load has Co-Ce metal composite oxide to modify on hole metal mesh.
In Co-Ce metal composite oxide, the mass fraction that Co oxide accounts for Co-Ce metal composite oxide is 0.5%-2.0%.
According to embodiment of the present invention, the air cleaning unit further includes ozone purification net, and the ozone is net Change the carrier hole metal mesh identical and high with light catalytic purifying net, nitrogen oxides/carrier of oxysulfide purifying net of net. In the ozone purification net, it is situated between as nano transition metal composite oxides are uniformly supported on the high hole metal mesh of carrier Porous materials.
According to embodiment of the present invention, the transition metal in nano transition metal composite oxides be selected from Cu, Fe, Two or more in Co, Mn.Correspondingly, it is compound for example to can be nanometer Cu-Fe for nano transition metal composite oxides Oxide, nanometer Cu-Co composite oxides, nanometer Cu-Mn composite oxides, nano Co-Fe composite oxides, nano Co-Mn Composite oxides, nanometer Cu-Fe-Co composite oxides, nanometer Cu-Fe-Mn composite oxides, nanometer Cu-Fe-Co-Mn are compound Oxide etc..
According to embodiment of the present invention, nano transition metal composite oxides are nanometer Cu-Fe composite oxides.
According to embodiment of the present invention, the air cleaning unit further includes low efficient filter screen, medium air filtration net With HEPA filter screen.
According to embodiment of the present invention, the surface of the medium air filtration net supports aluminium magnesium ferrite or Almasilate.
According to another aspect of the present invention, a kind of mechanical ventilation system, including air cleaning as described above dress are provided It sets.
According to embodiment of the present invention, the mechanical ventilation system is fresh air system.
The invention has the following advantages:
The characteristics of air cleaning unit in the present invention is adapted to fresh air system and complex working condition, guarantee high efficiency filter, While catalytic purification, also have the characteristics that low windage, the variation of heatproof humidity.
The accessible species range of air cleaning unit in the present invention is big, is the particulate matter of representative, sulphur oxygen including PM2.5 Compound, nitrogen oxides, ozone, the volatile organic matters such as formaldehyde, benzene；It can be realized efficient to the depth of a variety of air harmful components Processing, and it is without secondary pollution.
The characteristics of chemical physical stability of catalysis material and carrier is high, long service life, is suitable for fresh air system operating condition.
Air cleaning unit of the invention is easy to maintain, and various components are independently installed, convenient for cleaning, installation and replacement.
Air cleaning unit of the invention realizes the functionalization of catalysis net for different types of pernicious gas ingredient It distinguishes, can effectively play the efficient absorption and catalytic performance of catalysis net.
Detailed description of the invention
Fig. 1 is the schematic diagram according to the fresh air system of an embodiment of the invention；
Wherein, 1: low efficient filter screen, 2: medium air filtration net, the 3-1: the first light catalytic purifying net, the 3-2: the second photocatalysis are net Change net, 4: nitrogen oxides/oxysulfide purifying net, 5: ozone purification net, 6:HEPA filter screen, 7: ultraviolet source；A: to be processed Air, b: treated air.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
The present invention provides a kind of air cleaning units, indoor/outdoor air exchange system.
According to an aspect of the present invention, a kind of air cleaning unit is provided, including light catalytic purifying net and nitrogen oxides/ One or both of oxysulfide purifying net；The light catalytic purifying net and the nitrogen oxides/oxysulfide purifying net Carrier is high hole metal mesh.
According to embodiment of the present invention, air cleaning unit includes light catalytic purifying net, in this case, empty Air purifying apparatus will also include ultraviolet source.
According to embodiment of the present invention, ultraviolet source can be ultraviolet tube, and can be rung according to catalyst light Property and the size of purification device is answered to carry out reasonable disposition.
Ultraviolet source ensures that the light catalytic purifying net of different angle can obtain relatively uniform light irradiation, is on the one hand used for The photochemical catalyst that illumination excitation light catalytic purifying supports on the net, on the other hand can also realize sterilized.
According to embodiment of the present invention, the high hole metal mesh in the light catalytic purifying net, as carrier On be uniformly supported with nano composite photo-catalyst.
According to embodiment of the present invention, the nano composite photo-catalyst is the nanometer modified through quantum dot TiO2。
According to embodiment of the present invention, quantum dot can be one or both of carbon quantum dot, nitrogen quantum dot. Correspondingly, the nano composite photo-catalyst can be the nano-TiO modified through carbon quantum dot2, through carbon quantum dot modification receiving Rice TiO2One or both of.
Nano-TiO2Large specific surface area can generate a large amount of light induced electron and sky by the excitation of Uv and visible light Cave；After quantum dot is further modified, efficiently separating for light induced electron and photohole can be greatly promoted, and with air In O2And H2Under the synergistic effect of O, achieve the effect that formaldehyde in air, benzene and the efficient exhaustive oxidation purification of other VOCs.
Light catalytic purifying net of the invention has bigger serface, Gao Guangsheng carrier density and low photogenerated charge-electronics Recombination probability thereby may be ensured that efficient catalytic, reduce the usage amount of catalysis material, and windage is substantially reduced.
According to embodiment of the present invention, the height in the nitrogen oxides/oxysulfide purifying net, as carrier The mesoporous silicon based molecular sieve that load has Co-Ce metal composite oxide to modify on hole metal mesh.
In Co-Ce metal composite oxide, the mass fraction that Co oxide accounts for Co-Ce metal composite oxide is 0.5%-2.0%.
Nitrogen oxides/oxysulfide purifying net uses rare earth and transition metal combined oxidation catalytic way, wherein being catalyzed Agent is the mesoporous silicon based molecular sieve of Co-Ce metal composite oxide modification, and catalyst is carried on high hole by chemical adhesion solidification Gap rate filters on network framework, for carrying out redox processing to nitrogen oxides, the oxysulfide in air, reaches catalytic removal Purpose.In addition, it is extensive rapidly nitrogen oxides/oxysulfide purifying net catalytic performance can be made to obtain by simply cleaning It is multiple, it avoids purifying net from inactivating, effectively reduces operating cost, and can be used as individual module for nitrogen oxides, sulphur in environment The purification of oxide.
According to embodiment of the present invention, the air cleaning unit further includes ozone purification net, and the ozone is net Change the carrier hole metal mesh identical and high with light catalytic purifying net, nitrogen oxides/carrier of oxysulfide purifying net of net. In the ozone purification net, it is situated between as nano transition metal composite oxides are uniformly supported on the high hole metal mesh of carrier Porous materials.
According to embodiment of the present invention, the transition metal in nano transition metal composite oxides be selected from Cu, Fe, Two or more in Co, Mn.Correspondingly, it is compound for example to can be nanometer Cu-Fe for nano transition metal composite oxides Oxide, nanometer Cu-Co composite oxides, nanometer Cu-Mn composite oxides, nano Co-Fe composite oxides, nano Co-Mn Composite oxides, nanometer Cu-Fe-Co composite oxides, nanometer Cu-Fe-Mn composite oxides, nanometer Cu-Fe-Co-Mn are compound Oxide etc..
According to embodiment of the present invention, nano transition metal composite oxides are nanometer Cu-Fe composite oxides.
Ozone purification net is that the nano transition metal composite oxides mesoporous material of Large ratio surface is uniformly supported on high hole On gap metal mesh, has the characteristics that long-life, high moisture resistance and resistant to high temperatures, can effectively avoid active carbon base catalysis material moisture resistance Difference, service life are short and in high concentration O3The drawbacks of burning is easy in environment.It is net that ozone purification net can not only be used for air of the invention Disguise a part for setting, is used cooperatively, can also be used as super with light catalytic purifying net, nitrogen oxides/oxysulfide purifying net etc. Mark O in working environment3Efficient catalytic eliminate component independently use.
For the ozone that ultraviolet source and electrostatic precipitator technology generate, ozone purification net can be completed pair at room temperature Its decomposition.
According to embodiment of the present invention, the air cleaning unit further includes low efficient filter screen, medium air filtration net With HEPA filter screen.
According to embodiment of the present invention, the surface of the medium air filtration net supports aluminium magnesium ferrite or Almasilate.
In the present invention, primary efficient filter screen and medium air filtration net are respectively used to filtering and charging neutrality.Wherein, primarily efficient filter Net using the materials such as filter cotton or non-woven fabrics, can be filtered out under the conditions of lower windage in room air the biggish dust of partial size and Tiny particles content (such as PM10, PM2.5 etc.).The carrier of medium air filtration net is similarly high hole metal mesh, is set on carrier It is equipped with the filter cotton or non-woven fabrics for supporting aluminium magnesium ferrite or Almasilate material, can be swashed under the tiny structure effect that air stream generates Hair surrounding air molecule simultaneously is allowed to take negative electrical charge, quickly neutralizes (such as the PM2.5 of positively charged tiny particles content in air Deng) and be effective sedimentation, to guarantee the cleaning of subsequent catalyst net, improve catalytic efficiency and service life.In addition, due to first Not only hole is larger for effect filter screen and charging neutrality strainer, but also related material has water-insoluble, therefore can be regular It is cleaned, effectively reduces windage.
The pollutants such as smog, dust and the bacterium that HEPA filter screen can be PM0.3 microns or more to diameter carry out efficient Filtering.
In the present invention, light catalytic purifying net, nitrogen oxides/oxysulfide purifying net, ozone purification net, medium air filtration net Carrier is high hole metal mesh, therefore can be effectively reduced the windage in air during pernicious gas catalytic removal, simultaneously The condensation that low windage condition can be prevented to be lauched reduces water to light catalytic purifying net, nitrogen oxides/oxysulfide purifying net and smelly The active material loaded on oxygen purifying net washes away.
High hole metallic carrier in the present invention, pore diameter range 0.1-1.0mm, with a thickness of 1.0-10.0mm, carrier medium For metal materials such as iron, copper, nickel.
According to another aspect of the present invention, a kind of mechanical ventilation system is provided, which is characterized in that including as described above Air cleaning unit.
According to embodiment of the present invention, the mechanical ventilation system is fresh air system.
It according to embodiment of the present invention, include low efficient filter screen, medium air filtration net, HEPA mistake in fresh air system Strainer, and including one of light catalytic purifying net, nitrogen oxides/oxysulfide purifying net, ozone purification net or it is a kind of with On.
According to the heterogeneity of air-source, the position of both light catalytic purifying net, nitrogen oxides/oxysulfide purifying nets It can be interchanged.
In fresh air system of the invention, low efficient filter screen, medium air filtration net, light catalytic purifying can be disposed with Net, nitrogen oxides/oxysulfide purifying net, ozone purification net, HEPA filter screen, can also be disposed with low efficient filter screen, Medium air filtration net, nitrogen oxides/oxysulfide purifying net, light catalytic purifying net, ozone purification net, HEPA filter screen.
Ultraviolet source usually closes on the setting of light catalytic purifying net, to guarantee that it is net to photocatalysis that ultraviolet source can be realized well Change the illumination of net.
According to embodiment of the present invention, light catalytic purifying net there are two can be set, and ultraviolet source is arranged Between the two light catalytic purifying nets.Setting in this way, can be better achieved to formaldehyde in air, benzene and other The efficient oxidation of VOCs purifies.
In fresh air system of the invention, purification process may include:
(1) outdoor air passes through primary efficient filter screen first and filters out the larger particles such as dust；
(2) air Jing Guo primary filtration enters medium air filtration net, and the PM2.5 in air is removed by charging neutrality mode Equal fine particles；
(3) air makes nitrogen oxides, oxysulfide pass through catalysis oxidation also by nitrogen oxides/oxysulfide purifying net Former process is purified；
(4) photochemical catalyst that light catalytic purifying loads on the net is under the excitation of ultraviolet source, in the air passed through VOCs pernicious gas carries out absorption and thorough photochemical catalytic oxidation, generates CO2And H2The inorganic molecules such as O；
(5) ozone generated for ultraviolet source and electrostatic precipitation, at room temperature carries out it by ozone purification net It decomposes；
(6) air of above-mentioned processing filters out PM0.3 tiny solid or the colloid in air finally using HEPA filter screen Shape particulate matter.
Wherein, the sequence of step (3) and step (4) can be interchanged.
For the effective cross section product for increasing filter screen and catalysis net, minimize windage and pressure drop, face shaping It can be designed as fold-type structure.
These filter screens and purifying net can be designed with independent, and are assembled in metal material fixed frame.
The structure containing the above filter screen and the fresh air system of purifying net can also be optimized, pass through air-flow optimal control The face velocity of air cleaning unit reduces its resistance and equipment energy consumption.Further, air current composition is carried out in conjunction with architectural feature Optimization rationally designs indoor air supply mode and control air-flow.
In the schematic diagram of fresh air system as shown in Figure 1, it is disposed with low efficient filter screen 1, medium air filtration net 2, first Light catalytic purifying net 3-1, ultraviolet source 7, the second light catalytic purifying net 3-2, nitrogen oxides/oxysulfide purifying net 4, ozone are net Change net 5, HEPA filter screen 6.
Air a to be processed passes through primary efficient filter screen 1 first and filters out the larger particles such as dust；
Air by primary filtration enters medium air filtration net 2, and the PM2.5 etc. in air is removed by charging neutrality mode Fine particle；
The photochemical catalyst loaded on first light catalytic purifying net 3-1 and the second light catalytic purifying net 3-2 is in ultraviolet source 7 Under excitation, absorption and thorough photochemical catalytic oxidation are carried out to the VOCs pernicious gas in the air passed through, generate CO2And H2The nothings such as O Machine small molecule；
Air makes nitrogen oxides, oxysulfide pass through catalytic oxidation-reduction by nitrogen oxides/oxysulfide purifying net 4 Process is purified；
For the ozone that ultraviolet source 7 and electrostatic precipitation generate, it is divided at room temperature by ozone purification net 5 Solution；
Air through above-mentioned processing filters out PM0.3 tiny solid or the colloid in air finally using HEPA filter screen 6 Shape particulate matter, the air b that obtains that treated.
The above, above embodiments are only described in detail to the technical solution to the application, but the above implementation The method that the explanation of example is merely used to help understand the embodiment of the present invention, should not be construed as the limitation to the embodiment of the present invention.This Any changes or substitutions that can be easily thought of by those skilled in the art, should all cover the embodiment of the present invention protection scope it It is interior.

Claims (10)

1. a kind of air cleaning unit, which is characterized in that including in light catalytic purifying net and nitrogen oxides/oxysulfide purifying net One or two；The light catalytic purifying net and the nitrogen oxides/oxysulfide purifying net carrier are high hole metal Net.
2. air cleaning unit according to claim 1, which is characterized in that including light catalytic purifying net, and including purple Outer light source.
3. air cleaning unit according to claim 1, which is characterized in that in the light catalytic purifying net, as load Nano composite photo-catalyst is uniformly supported on the high hole metal mesh of body.
4. air cleaning unit according to claim 1, which is characterized in that in the nitrogen oxides/oxysulfide purification In net, as the mesoporous silicon substrate molecule that load has Co-Ce metal composite oxide to modify on the high hole metal mesh of carrier Sieve.
5. air cleaning unit according to claim 3, which is characterized in that the nano composite photo-catalyst is through quantum The nano-TiO of point modification2。
6. air cleaning unit according to claim 1, which is characterized in that further include ozone purification net, the ozone is net The carrier for changing net is high hole metal mesh；In the ozone purification net, as uniform on the high hole metal mesh of carrier It is supported with nano transition metal composite oxides mesoporous material.
7. air cleaning unit according to claim 1, which is characterized in that further include low efficient filter screen, medium air filtration net With HEPA filter screen.
8. air cleaning unit according to claim 7, which is characterized in that the surface of the medium air filtration net supports ferro-aluminum Sour magnesium or Almasilate.
9. a kind of mechanical ventilation system, which is characterized in that including air cleaning unit as described in any one of claims 1 to 8.
10. mechanical ventilation system according to claim 9, which is characterized in that the mechanical ventilation system is fresh air system.
CN201910589159.4A 2019-07-02 2019-07-02 Air cleaning unit, mechanical ventilation system Pending CN110339689A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201463138U (en) * 2009-06-17 2010-05-12 上海誉杰环保科技有限公司 Nano-sized photocatalytic central air purifying device
KR20140033828A (en) * 2012-09-11 2014-03-19 주식회사 이노베코 Eco ventilator
CN103982949A (en) * 2014-05-30 2014-08-13 东南大学 PM2.5-resisting dual-purpose fresh air purifier with ozone removing device
CN104422019A (en) * 2013-08-22 2015-03-18 袁满雪 Complex multi-functional indoor air pollution control unit
CN106031861A (en) * 2015-03-19 2016-10-19 上海融熠投资管理有限公司 Composite adsorbent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201463138U (en) * 2009-06-17 2010-05-12 上海誉杰环保科技有限公司 Nano-sized photocatalytic central air purifying device
KR20140033828A (en) * 2012-09-11 2014-03-19 주식회사 이노베코 Eco ventilator
CN104422019A (en) * 2013-08-22 2015-03-18 袁满雪 Complex multi-functional indoor air pollution control unit
CN103982949A (en) * 2014-05-30 2014-08-13 东南大学 PM2.5-resisting dual-purpose fresh air purifier with ozone removing device
CN106031861A (en) * 2015-03-19 2016-10-19 上海融熠投资管理有限公司 Composite adsorbent

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
周卫: "《有序介孔二氧化钛纳米材料的制备与应用》", 30 June 2014, 黑龙江大学出版社 *
孙如军等: "《中央空调实用工程技术》", 31 October 2017, 冶金工业出版社 *

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Application publication date: 20191018