CN102886183A - Indoor positive pressure air purification device - Google Patents
Indoor positive pressure air purification device Download PDFInfo
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- CN102886183A CN102886183A CN201110202194XA CN201110202194A CN102886183A CN 102886183 A CN102886183 A CN 102886183A CN 201110202194X A CN201110202194X A CN 201110202194XA CN 201110202194 A CN201110202194 A CN 201110202194A CN 102886183 A CN102886183 A CN 102886183A
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- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an indoor positive pressure air purification device, which comprises: the air purification box is provided with an air inlet at one end and an air outlet at the other end; a fan for causing outdoor air to enter from the air inlet, flow through the inside of the air purification box, and be discharged to the indoor through the air outlet; and an oxide release unit, a particulate filter layer, and a gas filter layer disposed in the air purification box. The air purification device disclosed by the invention uses an indoor positive pressure and high-efficiency integrated filtering principle, can effectively prevent high-harm and high-pollution gas from entering the room from the outside in an accident, and has the advantages of simple structure, convenience in use and high air purification efficiency.
Description
Technical field
The present invention relates to a kind of air cleaning unit, relate in particular to a kind of indoor positive pressure air cleaning device.
Background technology
Social air pollution problems inherent is serious now, in some natural disasters and artificial burst accident, all can produce the air pollutants of jeopardizing in a large number human health even life.For example: volcano eruption can produce suspended particles and the sulfur dioxide of a large amount of high concentrations; Sandstorm produces a large amount of grits; A large amount of pollen can cause pollinosis; Nuclear power plant's radiation leakage produces the particulate of tool radiativity, such as Fukushima, Japan nuclear radiation leakage accident; Biochemistry is attacked to hold up and is brought virus and poison gas; The chemical plant accident may be revealed poison gas, such as formaldehyde and ammonia; Air leakage in the high risk infectious disease unit may cause the infection of reporting to the leadship after accomplishing a task of disease, such as severe acute respiratory syndrome, etc.These air pollutants complicated components comprise high-concentration particle, germ, fall-out and pernicious gas, can produce very large threat to people's health.
For reducing these air pollutants to the mankind's injury.General method is to stay within as far as possible, and window is closed, and is indoor to prevent that outdoor pollutant from entering.But in the course of time, can lack oxygen for breathing.In addition, pollutant also can diffuse into indoor from the slit, owing to lacking convection current, often causes contamination build-up.Other method is the air purifier of circulation in installing, and it can produce air-flow and pollutant is introduced its filter core (such as activated carbon) with the pollutant in the filter chamber.But its shortcoming is to prevent that pollutant from entering indoorly from outdoor, and the air-flow that produces of indoor air cleaner on the contrary can the outer pollutant of accelerating chamber enters.
Therefore, need a kind of air cleaning unit that can be applied to indoor environment, both can prevent that outdoor pollutant from entering indoor, can purify multiple air pollutants again.
Summary of the invention
The technical problem to be solved in the present invention is, can not prevent that for the air purifier of prior art pollutant from entering indoor defective from outdoor, and for the demand that purifies complicated ingredient air pollutants, provide a kind of new and effective indoor positive pressure air cleaning device.
For this reason, the invention provides a kind of indoor positive pressure air cleaning device, comprising: air cleaning box, described air cleaning box one end is air inlet, the other end is exhaust outlet; Be used for impelling outdoor air inner and be discharged to indoor blower fan through described exhaust outlet from the described air inlet described air cleaning box that enters, flows through; And be located at oxide releasing unit, micro particle filtering layer and gas filtration layer in the described air cleaning box.
Preferably, described oxide releasing unit is ozone generator, ion generator, free-radical generating device, electrostatic precipitator (Electrostatic Precipitator) or its any combination, and can comprise for external control or the inside programming unit of its running time of control with the burst size of adjusting oxide.
Preferably, described micro particle filtering layer is efficiency particulate air screen pack, primary efficient filter screen, electro static filtering net or its any combination.
Preferably, described gas filtration layer comprises the filter material lock and is filled in the filter material that is used for adsorptive gaseous pollutant in the filter material lock.Described filter material lock comprises be used to allowing gas permeation and preventing the gas-permeable nets that described filter material runs off, and the support that is used for keeping described gas filtration layer shape, described filter material can be graininess, sheet, bulk or the strip that is of a size of 1-10mm.
Perhaps, described gas filtration layer comprises the honeycomb filter core of directly being made by filter material.
Preferably, described filter material comprises zeolite, active carbon, silica, aluminium oxide or its any combination.
Preferably, described filter material comprises the transition metal material with catalytic activity.
Preferably, described filter material is hydrophilic material, hydrophobic material or their mixing.
Preferably, described air cleaning box comprises metal cabinet, also comprises the coating of leaded, bismuth or its combination on the described metal cabinet.
Preferably, described air cleaning box also comprises water proof face shield, primary efficient filter screen or any combination that is located at described air inlet one end; And can be the shape of cylindrical shape, square, rectangle or its combination.
Beneficial effect of the present invention is:
Simple in structure, easy to use;
Adopt the indoor positive pressure principle, can prevent high-risk air pollutants from outdoor enter indoor, and with the air through purifying in indoor circulation;
Use oxide releasing unit, micro particle filtering layer and three kinds of gas purification pattern of gas filtration layer to cooperatively interact, air purification efficiency is high, and is thorough to the purification of pollutant;
Air cleaning box is metal cabinet, can effectively intercept and absorb the radiation that pollutant discharges,
Thereby reach the Integral air clean-up effect of multiple high-risk pollutants such as purifying simultaneously particulate, bacterium, virus, fall-out, pernicious gas.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, wherein:
Fig. 1 is the operation principle schematic diagram of indoor positive pressure air cleaning device of the present invention;
Fig. 2 is the structural representation of the indoor positive pressure air cleaning device of the preferred embodiment of the present invention;
Fig. 3 is the structural representation of the gas filtration layer of the preferred embodiment of the present invention;
Fig. 4 is the structural representation of the honeycomb filter core of the preferred embodiment of the present invention;
Fig. 5 is the schematic diagram of the air cleaning unit of another preferred embodiment of the present invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only is used for explaining the present invention, and non-limiting the present invention.
Fig. 1 is the operation principle schematic diagram of indoor positive pressure air cleaning device of the present invention.As shown in the figure, indoor positive pressure air cleaning device 101 can be installed on contaminated outdoor environment and need to possess between the interior space of pure air, and indoor with introducing after the outdoor contaminated air cleaning again.Cause thus indoor air pressure to be higher than outdoor air pressure, that is, form indoor positive pressure.Air 102 through purifying because of pressure differential can nature toward outdoor outflow, so can effectively prevent outdoor pollutant by diffusion or outdoor airflow, and flow into indoorly from the slot 103 of door and window, and then cause room air pollution.For example, indoor positive pressure air cleaning device of the present invention can as exhaust fan the same, for example be fixed on the window with simple structure, just can use after connecing electricity, convenient and swift.
Fig. 2 is the structural representation of the indoor positive pressure air cleaning device 101 of the preferred embodiment of the present invention.Indoor positive pressure air cleaning device 101 comprises air cleaning box 104 and 105 liang of parts of blower fan, and air cleaning box one end is air inlet 106, and the other end is exhaust outlet 107.
Blower fan 105 is installed on air cleaning box 104 outside near exhaust outlet 107 1 sides according to the air-draft-type design.In the practice, also can as required blower fan 105 be installed on air cleaning box 104 inner near exhaust outlet 107 1 sides.Perhaps also can be with blower fan 105 according to the sides of the design and installation that pushes away the wind formula at air cleaning box 104 inside or outside close air inlet 106.The acting as of blower fan 105 impels outdoor air to be clean to purify, and be discharged to indoor from described exhaust outlet the air 102 through purifying from described air inlet described air cleaning box 104 inside that enter, flow through.As long as can play this effect, installation site and the mounting means of blower fan 105 are unrestricted, and can according to the design needs, adjust flexibly.The shape of air cleaning box 104 also can be designed to cylindrical shape, square, rectangle or other shape as required.
Be provided with three critical pieces in the air cleaning box 104, be respectively oxide releasing unit 108, micro particle filtering layer 109 and gas filtration layer 110.These three parts can be as shown in Figure 2, along 107 direction is arranged in order from air inlet 106 to exhaust outlet.When blower fan 105 produces air-flows, and outdoor air to be clean when air inlet 106 is introduced air cleaning box 104, air stream to be clean can be at first through peroxide releasing unit 108, and and the oxide mixing that discharges.Then, air-flow can pass through micro particle filtering layer 109, and solid contaminant wherein (such as grit) can be filtered.Then, air-flow can pass through gas filtration layer 110, and gaseous contaminant wherein (such as VOC (VOC)) can be filtered.At last, the air through purifying enters indoor from exhaust outlet 107.
Described oxide releasing unit 108 can comprise ozone generator, ion generator, free-radical generating device, electrostatic precipitator or its any combination, and can comprise for external control or the inside programming unit of its running time of control with the burst size of adjusting oxide.
Described micro particle filtering layer 109 can be efficiency particulate air screen pack (HEPA), primary efficient filter screen, electro static filtering net or its any combination, with the particulate of the different sizes of complement filter.
Described gas filtration layer 110 is used for filtering or adsorptive gaseous pollutant, and with these gaseous contaminant oxidation Decomposition, reaches the purpose of purification.
Fig. 3 is the structural representation of the gas filtration layer 110 of the preferred embodiment of the present invention.As shown in Figure 3, gas filtration layer 110 comprises filter material lock 111 and the filter material 112 that is filled in the filter material lock 111.Filter material lock 111 can comprise gas-permeable nets 113 and support 114.Support 114 is used for keeping the shape of gas filtration layer 110; And gas-permeable nets 113 can allow air-flow to pass and can prevent that filter material 112 runs off.The shape that is filled in the filter material 112 in the filter material lock 111 can be graininess, sheet, strip or bulk, and its size can be 1 to 10 millimeter.Such size and dimension both can guarantee that filter material was difficult for running off from screen pack, can guarantee that again air-flow can be by gas filtration layer 110, and fully contact with filter material 112, thus Adsorption and decomposition gas pollutant more effectively.
Fig. 4 is the structural representation of the honeycomb filter core 115 of the preferred embodiment of the present invention.Gas filtration layer 110 can comprise the honeycomb filter core 115 of directly being made by filter material 112.Large quantity micropore road 116 in the honeycomb can ventilate, and can provide large surface area to strengthen the adsorption effectiveness to gas pollutant.As described in about Fig. 3, the filter material 112 among this embodiment also can be zeolite, activated carbon, silica, aluminium oxide or their any mixing for adsorptive gaseous pollutant; Also can be hydrophilic material, hydrophobic material, or their mixture; And also can add the transition metal with catalytic activity.
The casing that air cleaning box of the present invention 104 uses metals to make can also scribble the coating of leaded, bismuth or its combination on the tank surface.So, can effectively intercept the radiation that discharges with the absorbed air pollutant, such as α, β and gamma-rays etc.
Fig. 5 is the operation principle schematic diagram of the air cleaning unit 101 of another preferred embodiment of the present invention.As shown in the figure, air filter 101 comprises air cleaning box 104 and blower fan 105.Blower fan 105 is arranged on outside the air cleaning box 104, and is connected with exhaust outlet 107.Air inlet 106 1 ends in the air cleaning box 104 also are provided with water proof face shield 117 and primary efficient filter screen 118, are used for preventing, for example outdoor rainwater and larger object enter air cleaning box 104, cause damage.
Micro particle filtering layer 109 and gas filter course 110 are arranged in air cleaning box 104 near exhaust outlet 107 1 ends, the cylindrical hollow structure that formation arranges along air cleaning box 104 Air flow directions, and sealing near described air inlet 106 1 ends, wherein micro particle filtering layer 109 forms the outer wall of cylinder side wall, and gas filtration layer 110 forms the inwall of cylinder side wall.Oxide releasing unit 108 is arranged on the end of columnar structured sealing, and is connected to the external control unit by connecting line 119.
Air direction shown in the dotted arrow in Fig. 5 flows.Blower fan 105 is with outdoor contaminated air suction air cleaning box 104, and water proof face shield 117 and primary efficient filter screen 118 at air inlet 106 places can at first intercept moisture, and the preliminary larger object of filtering particle enters air cleaning box 104.Enter the air to be clean of air cleaning box 104 at first through peroxide releasing unit 108.Oxide releasing unit 108 produces oxide connect electricity from the outside after, and the oxide that discharges or ion mix with the air to be clean of suction, are then taken to micro particle filtering layer and the gas filter course of cylinder type hollow structure by air-flow.Owing to columnar structuredly sealing near air inlet 106 1 ends, the gaseous oxygen compound that discharges or ion can and be taken to micro particle filtering layer 109 and the gas filter course 110 of barrel in the cylinder external diffusion by air-flow.Micro particle filtering layer 109 can be efficiency particulate air screen pack (HEPA), is used for filter particulates, bacterium, virus and fall-out.Filter material 112 in the gas filtration layer 110 can be to be zeolite, is used for adsorbing the radioactive substance of pernicious gas and gaseous state.Oxide or ion enter the duct of gas filtration layer 110 with pernicious gas, and are attracted on the filter material 112.Filter material 112 can comprise the transition metal material (such as titanium, manganese, cobalt and palladium etc.) with catalytic activity, and under the catalytic action of transition metal material, pernicious gas is further oxided and decomposes.Finally, the air after purifying enters indoor from exhaust outlet 107.
Indoor positive pressure air cleaning device 101 of the present invention adopts effective integrated work principle of filter, and apparatus structure is simple, simple operation, simultaneously can be with a device high-efficient cleaning except multiple pollutant.By cooperatively interacting between oxide releasing unit 108, micro particle filtering layer 109, gas filtration layer 110 and the metal cabinet; effectively remove dissimilar high-risk air pollutants; comprise high-concentration particle, germ, fall-out and pernicious gas etc., with the protection health.The present invention can be according to different environment, select the various combination of suitable oxide, micro particle filtering layer, gas filtration layer etc. and apply in a flexible way, to reach maximum purification efficiency.
At first for removing high-concentration particle (comprising grit and pollen), micro particle filtering layer 109 can filter them, and is indoor to prevent that it from entering.Micro particle filtering layer 109 can be efficiency particulate air screen pack (HEPA), primary efficient filter screen, electro static filtering net or its any combination.In the concrete practice, (such as particle species, size, concentration etc.) selects different micro particle filtering layers 109 according to actual needs, or their combination reaches the optimum filtration effect.
For aerial bacterium and the virus of remove floating, can use to realize by both cooperations of micro particle filtering layer 109 and oxide releasing unit 108.At first bacterium and virus are filtered by micro particle filtering layer 109.The oxide (such as ozone and ion) that oxide releasing unit 108 discharges can and the air-flow mixing, can effectively eliminate or the inactivation air-flow in bacterium and virus.In addition, oxide can also pass through micro particle filtering layer 109 with air-flow, and under the effect of oxide, further elimination or inactivation are adsorbed on bacterium and the virus in the micro particle filtering layer, thereby can not cause secondary pollution.
For processing tool radioactive pollutant such as fall-out, can use to realize by the cooperation of micro particle filtering layer 109, gas filtration layer 110 and air cleaning box 104.Micro particle filtering layer 109 (such as HEPA) can filter dust and the particulate that contains radioactive substance (such as caesium and uranium) effectively; The radioactive substance of gaseous state such as radon gas then can be adsorbed in the filter material 112 of special pore size distribution; The casing that air cleaning box 104 uses metals to make also scribbles the coating of leaded, bismuth or its combination on the tank surface, so, can effectively intercept and absorb the radiation (such as α, β and gamma-rays etc.) that air pollutants discharge; Final through after the described air cleaning unit 101, will not have radioactive substance and enter indoor.
For removing pernicious gas, then can use to realize by the cooperation of gas filtration layer 110 and oxide releasing unit 108.Gas filtration layer 110 can filter the pollutants such as industrial chemicals commonly used (as: positive methane, methyl alcohol, isopropyl alcohol, ammonia) of peculiar smell, formaldehyde, VOC (VOCs) even tool danger.Pernicious gas and the oxide that just discharged are together during gas coming through filter course 110, can be adsorbed on together in the duct of filter material 112, as indicated above, under the catalytic activity transition metal material effect that in filter material 112, contains, oxide can be with effectively oxidation and decomposition of pernicious gas, generate harmless product, and can not cause secondary pollution.When catabolite (for example, carbon dioxide and water) by when the air-flow that purifies is taken away, filter material 112 will be regenerated, and further adsorbs pernicious gas and oxide.Have the adding of the transition metal (such as titanium, manganese, cobalt and palladium) of catalytic action, can strengthen decomposition rate and capacity of decomposition to gaseous contaminant.Simultaneously, filter material 112 can also effectively decompose residual oxide, is discharged into outside the air cleaning unit 101 to prevent it.
To sum up, indoor positive pressure air cleaning device of the present invention 101 is simple in structure, easy to use, can prevent that outdoor pollutant from entering indoor; And can will introduce indoor formation cross-ventilation through the outdoor air that purifies; Can also in a device, purify simultaneously polytype pollutant.
Claims (12)
1. an indoor positive pressure air cleaning device (101) is characterized in that, comprising:
Air cleaning box (104), described air cleaning box one end is air inlet (106), the other end is exhaust outlet (107);
Be used for impelling outdoor air inner and be discharged to indoor blower fan (105) from described exhaust outlet (107) from described air inlet (106) the described air cleaning box (104) that enters, flows through; And
Be located at oxide releasing unit (108), micro particle filtering layer (109) and gas filtration layer (110) in the described air cleaning box (104).
2. indoor positive pressure air cleaning device according to claim 1, it is characterized in that, described oxide releasing unit (108) comprises ozone generator, ion generator, free-radical generating device, electrostatic precipitator or its any combination, and is used for its running time of control and regulates external control or the inside programming unit of oxide burst size.
3. indoor positive pressure air cleaning device according to claim 1 is characterized in that, described micro particle filtering layer (109) is efficiency particulate air screen pack, primary efficient filter screen, electro static filtering net or its any combination.
4. indoor positive pressure air cleaning device according to claim 1, it is characterized in that, described gas filtration layer (110) comprises filter material lock (111), and is filled in the filter material (112) that is used for adsorptive gaseous pollutant in the described filter material lock (111).
5. indoor positive pressure air cleaning device according to claim 4, it is characterized in that, described filter material lock (111) comprises be used to allowing gas permeation and prevent the gas-permeable nets (113) that described filter material (112) runs off, and the support (114) that is used for keeping described gas filtration layer (110) shape.
6. indoor positive pressure air cleaning device according to claim 4 is characterized in that, described filter material (112) is graininess, sheet, bulk or the strip that is of a size of 1-10mm.
7. indoor positive pressure air cleaning device according to claim 1 is characterized in that, described gas filtration layer (110) comprises the honeycomb filter core (115) of directly being made by filter material (112).
8. according to claim 4 to each described indoor positive pressure air cleaning device of 7, it is characterized in that, described filter material (112) comprises zeolite, active carbon, silica, aluminium oxide or its any combination.
9. indoor positive pressure air cleaning device according to claim 8 is characterized in that, described filter material (112) comprises the transition metal material with catalytic activity.
10. indoor positive pressure air cleaning device according to claim 8 is characterized in that, described filter material (112) is hydrophilic material, hydrophobic material, or their mixing.
11. indoor positive pressure air cleaning device according to claim 1 is characterized in that, described air cleaning box (104) comprises metal cabinet, also comprises the coating of leaded, bismuth or its combination on the described metal cabinet surface.
12. indoor positive pressure air cleaning device according to claim 1, it is characterized in that, described air cleaning box (104) also comprises water proof face shield (117), primary efficient filter screen (118) or any combination that is located at described air inlet (106) one ends; And described air cleaning box (104) is the shape of cylindrical shape, square, rectangle or its combination.
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| CN201110202194.XA CN102886183B (en) | 2011-07-19 | 2011-07-19 | Indoor positive pressure air purification device |
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| CN201110202194.XA CN102886183B (en) | 2011-07-19 | 2011-07-19 | Indoor positive pressure air purification device |
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| CN102886183B CN102886183B (en) | 2014-12-03 |
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| CN107899421A (en) * | 2017-12-13 | 2018-04-13 | 深圳市格绿丝纳米科技有限公司 | A kind of photocatalysis air-cleaning filter core module processing technology |
| CN110252060A (en) * | 2019-06-19 | 2019-09-20 | 河北科技大学 | A Composite Filtration System Based on HEC+HEPA |
| CN115138143A (en) * | 2021-03-29 | 2022-10-04 | 研能科技股份有限公司 | Air purifying device |
| US12042758B2 (en) | 2021-03-29 | 2024-07-23 | Microjet Technology Co., Ltd. | Air purification device |
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| US12042758B2 (en) | 2021-03-29 | 2024-07-23 | Microjet Technology Co., Ltd. | Air purification device |
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| CN102886183B (en) | 2014-12-03 |
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