CN107965849A - A kind of indoor air cleaning system with inner-outer circulation function - Google Patents
A kind of indoor air cleaning system with inner-outer circulation function Download PDFInfo
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- CN107965849A CN107965849A CN201710137270.0A CN201710137270A CN107965849A CN 107965849 A CN107965849 A CN 107965849A CN 201710137270 A CN201710137270 A CN 201710137270A CN 107965849 A CN107965849 A CN 107965849A
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- 238000004140 cleaning Methods 0.000 title 1
- 239000012528 membrane Substances 0.000 claims abstract description 42
- 230000001699 photocatalysis Effects 0.000 claims abstract description 31
- 238000004887 air purification Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 9
- 239000011941 photocatalyst Substances 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 16
- 239000000809 air pollutant Substances 0.000 abstract description 8
- 231100001243 air pollutant Toxicity 0.000 abstract description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 30
- 239000003344 environmental pollutant Substances 0.000 description 13
- 231100000719 pollutant Toxicity 0.000 description 13
- 244000005700 microbiome Species 0.000 description 7
- 230000000813 microbial effect Effects 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 4
- 229910052704 radon Inorganic materials 0.000 description 4
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000013032 photocatalytic reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- -1 microbial pollution Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
本发明涉及一种带有内外循环功能的室内空气净化系统该空气净化系统包括壳体、内外循环切换开关、空气过滤膜元件、紫外灯、光催化元件和轴流式风机；壳体顶端开设有出风口，底端开设有内循环进风口和外循环进风口，通过内外循环切换开关选择内循环进风口或外循环进风口进风；空气过滤膜元件的顶端敞口，其设置于壳体内且与壳体之间存在供空气流动的环空；紫外灯沿轴向设置在空气过滤膜元件内；光催化元件套在紫外灯上，且位于空气过滤膜元件与紫外灯外壁之间；轴流式风机，轴流式风机安装于空气过滤膜元件的敞口端。本发明是一种具有内外循环两种净化模式的新型室内空气净化系统，能够实现对室内空气污染物的高效去除。
The invention relates to an indoor air purification system with internal and external circulation functions. The air purification system includes a housing, an internal and external circulation switching switch, an air filter membrane element, an ultraviolet lamp, a photocatalytic element and an axial flow fan; The air outlet, the bottom end is provided with the inner circulation air inlet and the outer circulation air inlet, and the inner circulation air inlet or the outer circulation air inlet is selected to enter the air through the inner and outer circulation switching switch; the top of the air filter membrane element is open, which is set in the housing and There is an annular space for air flow between the casing and the housing; the ultraviolet lamp is arranged axially in the air filter membrane element; the photocatalytic element is set on the ultraviolet lamp and is located between the air filter membrane element and the outer wall of the ultraviolet lamp; the axial flow The axial flow fan is installed on the open end of the air filter membrane element. The invention is a novel indoor air purification system with two purification modes of internal and external circulation, which can realize efficient removal of indoor air pollutants.
Description
技术领域technical field
本发明涉及一种空气净化设备，特别是涉及一种带有内外循环功能的室内空气净化系统。The invention relates to an air purification device, in particular to an indoor air purification system with internal and external circulation functions.
背景技术Background technique
目前室内最主要的空气污染物有PM2.5、VOCs、微生物气溶胶、氨气、氡气和CO2等，主要的净化技术有通风、过滤、吸附、紫外、光催化和等离子体等。由于室外大气受到严重污染，自然通风或机械通风的方式也不能够直接用来稀释置换室内的污染空气。因此，空气净化器成为人们净化室内空气的首选。但目前市场上的空气净化器并不能有效去除室内所有的空气污染物，例如，对CO2、氡气几乎没有任何去除作用，而人们如果长期处于CO2、氡气超标的环境，会对人体健康产生很大伤害。因此，对于室内CO2、氡气等现有空气净化器难以净化的空气污染物，必须采取通风稀释的方式将污染物排到室外，使室内污染物降低到标准限值内。At present, the most important indoor air pollutants are PM 2.5 , VOCs, microbial aerosols, ammonia, radon and CO 2 , etc. The main purification technologies include ventilation, filtration, adsorption, ultraviolet light, photocatalysis and plasma. Since the outdoor atmosphere is seriously polluted, natural ventilation or mechanical ventilation cannot be directly used to dilute and replace indoor polluted air. Therefore, air purifiers become the first choice for people to purify indoor air. However, the air purifiers currently on the market cannot effectively remove all indoor air pollutants. For example, they have almost no removal effect on CO 2 and radon. Health takes a lot of damage. Therefore, for indoor CO 2 , radon and other air pollutants that are difficult to be purified by existing air purifiers, ventilation and dilution must be adopted to discharge the pollutants outside to reduce indoor pollutants to the standard limit.
因此，要想使室内空气质量达到人们健康的要求，仅仅依靠室内空气净化器还不能够完全达到要求，还需要依靠室内外空气的循环置换才能满足要求。在室外空气质量较差的情况下，要对引入室内空气中的主要污染物进行去除，以确保室内原有污染物得到去除的同时，不引入新的污染物。但使用外循环功能时，室内PM2.5和微生物只能被净化一次，对系统的单次净化效率有较高的要求；且在室外污染比较严重时，长期使用外循环会加大净化系统的负荷，降低系统的使用寿命。而内循环可以对室内的污染物进行多次循环净化，能够将污染物降到极低的水平。因此，设计一种具有内外循环两种净化模式的新型室内空气净化系统，以实现对室内空气污染物的高效去除是目前亟待解决的问题。Therefore, in order to make the indoor air quality meet the requirements of people's health, only relying on indoor air purifiers can not fully meet the requirements, but also rely on the circulation and replacement of indoor and outdoor air to meet the requirements. In the case of poor outdoor air quality, the main pollutants introduced into the indoor air should be removed to ensure that the original indoor pollutants are removed without introducing new pollutants. However, when the external circulation function is used, indoor PM 2.5 and microorganisms can only be purified once, which has high requirements on the single purification efficiency of the system; and when the outdoor pollution is serious, long-term use of the external circulation will increase the load on the purification system , reducing the service life of the system. The internal circulation can purify the pollutants in the room multiple times, and can reduce the pollutants to an extremely low level. Therefore, it is an urgent problem to design a new indoor air purification system with two purification modes of internal and external circulation to achieve efficient removal of indoor air pollutants.
发明内容Contents of the invention
针对上述问题，本发明的目的是提供一种带有内外循环功能的室内空气净化系统，该系统能够高效去除PM2.5、VOCs、微生物气溶胶、CO2、氨气、氡气等室内空气污染物，清新室内空气。In response to the above problems, the object of the present invention is to provide an indoor air purification system with internal and external circulation functions, which can efficiently remove indoor air pollutants such as PM 2.5 , VOCs, microbial aerosols, CO 2 , ammonia, radon, etc. , Fresh indoor air.
为实现上述目的，本发明采取以下技术方案：一种带有内外循环功能的室内空气净化系统，其特征在于，该空气净化系统包括：壳体，所述壳体顶端开设有出风口，底端开设有内循环进风口和外循环进风口；内外循环切换开关，通过所述内外循环切换开关选择内循环进风口或外循环进风口进风；空气过滤膜元件，所述空气过滤膜元件的顶端敞口，其设置于所述壳体内且与所述壳体之间存在供空气流动的环空；紫外灯，所述紫外灯沿轴向设置在所述空气过滤膜元件内；光催化元件，所述光催化元件套在所述紫外灯上，且位于所述空气过滤膜元件与紫外灯外壁之间；轴流式风机，所述轴流式风机安装于所述空气过滤膜元件的敞口端。In order to achieve the above object, the present invention adopts the following technical solutions: an indoor air purification system with internal and external circulation functions, which is characterized in that the air purification system includes: a housing, an air outlet is opened at the top of the housing, and an air outlet is opened at the bottom of the housing. An inner circulation air inlet and an outer circulation air inlet are provided; an inner and outer circulation switching switch is used to select the inner circulation air inlet or the outer circulation air inlet through the inner and outer circulation switching switch; the air filter membrane element, the top of the air filter membrane element Opening, which is arranged in the housing and there is an annular space for air flow between the housing and the housing; an ultraviolet lamp, the ultraviolet lamp is arranged in the air filter membrane element along the axial direction; a photocatalytic element, The photocatalytic element is set on the ultraviolet lamp, and is located between the air filter membrane element and the outer wall of the ultraviolet lamp; the axial flow fan is installed on the opening of the air filter membrane element end.
在一个优选的实施例中，所述壳体为圆筒状结构，所述壳体的直径为60cm，高度为100cm。In a preferred embodiment, the housing is a cylindrical structure with a diameter of 60 cm and a height of 100 cm.
在一个优选的实施例中，所述内循环进风口和外循环进风口的直径均为10cm，所述出风口的直径为30cm。In a preferred embodiment, the diameters of the inner circulation air inlet and the outer circulation air inlet are both 10 cm, and the diameter of the air outlet is 30 cm.
在一个优选的实施例中，所述光催化元件包括光催化载体和光催化剂，所述光催化载体为螺旋式叶片结构，光催化剂负载在光催化载体上。In a preferred embodiment, the photocatalytic element includes a photocatalytic carrier and a photocatalyst, the photocatalytic carrier has a spiral blade structure, and the photocatalyst is loaded on the photocatalytic carrier.
在一个更优选的实施例中，所述光催化剂采用P25二氧化钛。In a more preferred embodiment, the photocatalyst uses P25 titanium dioxide.
在一个优选的实施例中，所述空气过滤膜元件为圆筒状结构，且其与所述壳体同轴设置。In a preferred embodiment, the air filter membrane element has a cylindrical structure and is arranged coaxially with the casing.
在一个更优选的实施例中，所述空气过滤膜元件外壁直径为50cm、内壁直径为40cm、高度为80cm、滤膜厚度为5cm、滤材展开面积4m2；所述滤材采用过滤级别为H12玻璃纤维滤材。In a more preferred embodiment, the outer wall diameter of the air filter membrane element is 50cm, the inner wall diameter is 40cm, the height is 80cm, the filter membrane thickness is 5cm, and the filter material expansion area is 4m2 ; the filter material adopts a filter grade of H12 glass fiber filter material.
在一个优选的实施例中，所述轴流式风机的功率为54w，最大风量为530m3/h，最大静压为300Pa，噪声45dB。In a preferred embodiment, the power of the axial flow fan is 54w, the maximum air volume is 530m 3 /h, the maximum static pressure is 300Pa, and the noise is 45dB.
在一个优选的实施例中，所述紫外灯采用长度为70cm、功率为15W的UVC-254nm紫外光源。In a preferred embodiment, the ultraviolet lamp adopts a UVC-254nm ultraviolet light source with a length of 70cm and a power of 15W.
本发明由于采取以上技术方案，其具有以下优点：1、本发明同时具备室内空气净化器和新风净化机的功能，能够实现两种净化模式的切换，集合了两种净化方式的优势、弥补了单一净化方式的缺点。2、本发明集净化颗粒污染物、微生物污染、甲醛污染三大类污染物于一体，内部结构布局紧凑、有效的利用了空间体积，净化效率高；空气过滤膜元件可以过滤掉大部分的PM2.5和微生物，富集在滤膜上的微生物能够被紫外灭活，气态污染物VOC与光催化剂接触充分，在紫外灯的照射下被催化降解。3、本发明的空气过滤膜元件为圆筒形，空气可以从底部和侧面都进入，相比于框板式过滤元件，增大了滤膜的过滤面积，降低了滤膜的风阻，增大了系统的风量和洁净空气量。4、本发明的光催化反应腔体为圆筒状结构，相比于框板式光催化模块，光催化反应腔体空间大，污染物停留反应时间长，光催化载体与紫外灯高效耦合，光利用效率高，提高了系统的催化降解效率。5、本发明的光催化载体采用螺旋式叶片结构，不仅可以增大光催化面积、提高总体光催化效率，而且还能使腔体内的气体更加混合均匀。Because the present invention adopts the above technical scheme, it has the following advantages: 1. The present invention has the functions of an indoor air purifier and a fresh air purifier at the same time, can realize the switching of the two purification modes, combines the advantages of the two purification methods, and makes up for the Disadvantages of a single purification method. 2. The present invention integrates the purification of three major types of pollutants: particle pollutants, microbial pollution, and formaldehyde pollution. The internal structure layout is compact, the space volume is effectively used, and the purification efficiency is high; the air filter membrane element can filter out most of PM 2.5 and microorganisms, the microorganisms enriched on the filter membrane can be inactivated by ultraviolet light, the gaseous pollutant VOC is fully in contact with the photocatalyst, and is catalyzed and degraded under the irradiation of ultraviolet light. 3. The air filter membrane element of the present invention is cylindrical, and air can enter from both the bottom and the side. Compared with the frame plate filter element, the filter area of the filter membrane is increased, the wind resistance of the filter membrane is reduced, and the air resistance of the filter membrane is increased. Air volume and clean air volume of the system. 4. The photocatalytic reaction chamber of the present invention has a cylindrical structure. Compared with the frame-plate photocatalytic module, the photocatalytic reaction chamber has a larger space, and the residence time of pollutants is longer. The photocatalytic carrier and the ultraviolet lamp are efficiently coupled, and the light The utilization efficiency is high, and the catalytic degradation efficiency of the system is improved. 5. The photocatalytic carrier of the present invention adopts a spiral blade structure, which can not only increase the photocatalytic area and improve the overall photocatalytic efficiency, but also make the gas in the cavity more uniformly mixed.
附图说明Description of drawings
图1为本发明结构的剖面示意图；Fig. 1 is the schematic sectional view of structure of the present invention;
图2为本发明结构的俯视示意图；Fig. 2 is a schematic top view of the structure of the present invention;
图3为本发明对室内PM2.5的去除性能示意图；Fig. 3 is the schematic diagram of the removal performance of the present invention to indoor PM 2.5 ;
图4为本发明对室内甲醛的去除性能示意图；Fig. 4 is the schematic diagram of the removal performance of the present invention to indoor formaldehyde;
图5为本发明对室内CO2的去除性能示意图甲醛。Fig. 5 is a schematic diagram of the removal performance of the present invention for indoor CO2 formaldehyde.
图中附图标记：Reference signs in the figure:
1为壳体；2为内外循环切换开关；3为内循环进风口；4为外循环进风口；5为紫外灯；6为光催化元件；7为空气过滤膜元件；8为轴流式风机；9为出风口。1 is the shell; 2 is the switch for internal and external circulation; 3 is the air inlet of the internal circulation; 4 is the air inlet of the external circulation; 5 is the ultraviolet lamp; 6 is the photocatalytic element; 7 is the air filter membrane element; 8 is the axial flow fan 9 is an air outlet.
具体实施方式Detailed ways
下面结合附图和实施例对本发明进行详细的描述。然而应当理解，附图的提供仅为了更好地理解本发明，它们不应该理解成对本发明的限制。The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. However, it should be understood that the accompanying drawings are provided only for better understanding of the present invention, and they should not be construed as limiting the present invention.
如图1、图2所示，本发明包括壳体1、内外循环切换开关2、内循环进风口3、外循环进风口4、紫外灯5、光催化元件6、空气过滤膜元件7、轴流式风机8和出风口9。出风口9设置在壳体1顶端，内循环进风口3和外循环进风口4设置在壳体1底端，并通过内外循环切换开关2选择进风方式。空气过滤膜元件7设置在壳体1内，且与壳体1之间存在供空气流动的环空。紫外灯5沿轴向设置在空气过滤膜元件7内，光催化元件6套在紫外灯5上，且位于空气过滤膜元件7与紫外灯5外壁之间。空气过滤膜元件7的顶端敞口，轴流式风机8安装在空气过滤膜元件7的敞口端。As shown in Figure 1 and Figure 2, the present invention includes a housing 1, an internal and external circulation switch 2, an internal circulation air inlet 3, an external circulation air inlet 4, an ultraviolet lamp 5, a photocatalytic element 6, an air filter membrane element 7, a shaft Stream fan 8 and air outlet 9. The air outlet 9 is arranged at the top of the casing 1, the inner circulation air inlet 3 and the outer circulation air inlet 4 are arranged at the bottom of the casing 1, and the air inlet mode is selected by the inner and outer circulation switching switch 2. The air filter membrane element 7 is arranged in the casing 1 , and there is an annular space between the casing 1 and the casing 1 for air flow. The ultraviolet lamp 5 is arranged axially inside the air filter membrane element 7 , and the photocatalytic element 6 is sleeved on the ultraviolet lamp 5 and located between the air filter membrane element 7 and the outer wall of the ultraviolet lamp 5 . The top of the air filter membrane element 7 is open, and the axial flow fan 8 is installed on the open end of the air filter membrane element 7 .
在一个优选的实施例中，壳体1为圆筒状结构，壳体1的直径为60cm，高度为100cm；内循环进风口3和外循环进风口4的直径均为10cm，出风口9的直径为30cm。In a preferred embodiment, the housing 1 is a cylindrical structure, the diameter of the housing 1 is 60cm, and the height is 100cm; the diameters of the inner circulation air inlet 3 and the outer circulation air inlet 4 are 10cm, and the diameter of the air outlet 9 The diameter is 30cm.
在一个优选的实施例中，光催化元件6包括光催化载体和光催化剂，光催化载体为螺旋式叶片结构，光催化剂负载在光催化载体上，采用螺旋式叶片结构不仅可以增大光催化面积、提高总体光催化效率，而且还能使腔体内的气体更加混合均匀；光催化剂采用P25二氧化钛，对微生物的灭活率在99.9％以上、对甲醛等VOCs的一次净化效率在70％以上。In a preferred embodiment, the photocatalytic element 6 includes a photocatalytic carrier and a photocatalyst. The photocatalytic carrier is a spiral blade structure, and the photocatalyst is loaded on the photocatalytic carrier. The use of the spiral blade structure can not only increase the photocatalytic area, Improve the overall photocatalytic efficiency, and also make the gas in the cavity more uniform; the photocatalyst uses P 25 titanium dioxide, the inactivation rate of microorganisms is above 99.9%, and the primary purification efficiency of formaldehyde and other VOCs is above 70%.
在一个优选的实施例中，空气过滤膜元件7为圆筒状结构，且其与壳体1同轴设置；空气过滤膜元件7外壁直径为50cm、内壁直径为40cm、高度为80cm、滤膜厚度为5cm、滤材展开面积4m2；滤材采用过滤级别为H12玻璃纤维滤材，对PM2.5和微生物气溶胶的一次过滤效率在99％以上。In a preferred embodiment, the air filter membrane element 7 is a cylindrical structure, and it is arranged coaxially with the housing 1; the diameter of the outer wall of the air filter membrane element 7 is 50 cm, the diameter of the inner wall is 40 cm, and the height is 80 cm. The thickness is 5cm, and the expansion area of the filter material is 4m 2 ; the filter material is H12 glass fiber filter material, and the primary filtration efficiency of PM 2.5 and microbial aerosol is above 99%.
在一个优选的实施例中，轴流式风机8采用深圳市鸿冠电机厂家生产的HF-150型号风机，功率为54w，最大风量为530m3/h，最大静压为300Pa，噪声45dB。In a preferred embodiment, the axial flow fan 8 is a HF-150 fan produced by Shenzhen Hongguan Motor Factory, with a power of 54w, a maximum air volume of 530m 3 /h, a maximum static pressure of 300Pa, and a noise of 45dB.
在一个优选的实施例中，紫外灯5采用长度为70cm左右、功率为15W的UVC-254nm紫外光源。In a preferred embodiment, the ultraviolet lamp 5 adopts a UVC-254nm ultraviolet light source with a length of about 70cm and a power of 15W.
在一个优选的实施例中，该空气净化系统设计出风量为450m3/h，对PM2.5、微生物气溶胶、甲醛的洁净空气量(CADR)分别为300m3/h，300m3/h，200m3/h，对颗粒物和甲醛的能效与累计净化量(CCM)等参数指标均满足空气净化器标准(GB/T18801-2015)的最高标准要求。In a preferred embodiment, the designed air volume of the air purification system is 450m 3 /h, and the clean air rate (CADR) for PM 2.5 , microbial aerosol, and formaldehyde is 300m 3 /h, 300m 3 /h, and 200m 3 /h, the parameters such as energy efficiency and cumulative purification capacity (CCM) for particulate matter and formaldehyde all meet the highest standard requirements of the air purifier standard (GB/T18801-2015).
本发明在使用时，将其设置在室内靠墙的地方，并在墙体打孔布管道与本发明的外循环进风口4相连，这样可以通过内外循环切换开关2控制进风口，当选择内循环进风口3时，该空气净化系统具有空气净化器功能，通过室内循环净化空气中污染物；当选择外循环进风口4时，该新型空气净化系统具有新风净化机功能，将室外空气净化后引入室内，稀释置换室内空气污染物。对于内外循环两种净化模式，污染空气进入腔体内的净化原理是一致的：首先，进入到空气净化系统腔体的空气首先穿过空气过滤膜元件7，空气过滤膜元件7的滤膜可以截留过滤掉大部分的PM2.5和微生物；同时富集在滤膜上的微生物又能够被紫外灯5灭活，避免了微生物在滤膜上繁殖、二次污染的产生。然后，穿过空气过滤膜元件7的空气中的VOC等气态污染物与光催化元件6接触，在紫外灯5的照射下被催化降解。最后，进入腔体经净化后的洁净空气经轴流式风机8输送到室内。When the present invention is in use, it is arranged at the place close to the wall indoors, and the pipe is perforated in the wall to connect with the outer circulation air inlet 4 of the present invention, so that the air inlet can be controlled by the inner and outer circulation switching switch 2, when the inner circulation is selected When the circulation air inlet is 3, the air purification system has the function of an air purifier, which purifies the pollutants in the air through indoor circulation; when the outer circulation air inlet 4 is selected, the new air purification system has the function of a fresh air purifier, which purifies the outdoor air Introduce indoors, dilute and replace indoor air pollutants. For the two purification modes of internal and external circulation, the purification principle of polluted air entering the cavity is the same: first, the air entering the cavity of the air purification system first passes through the air filter membrane element 7, and the filter membrane of the air filter membrane element 7 can intercept Most of the PM 2.5 and microorganisms are filtered out; at the same time, the microorganisms enriched on the filter membrane can be inactivated by the ultraviolet lamp 5, which avoids the reproduction of microorganisms on the filter membrane and the generation of secondary pollution. Then, gaseous pollutants such as VOC in the air passing through the air filter membrane element 7 contact the photocatalytic element 6 and are catalyzed and degraded under the irradiation of the ultraviolet lamp 5 . Finally, the purified clean air entering the cavity is sent to the room through the axial flow fan 8 .
下面通过一个具体的实验来证明本发明的使用效果：Prove the use effect of the present invention by a specific experiment below:
以面积为＝15m2、高度为2.4m2的房间为例，假设室内外PM2.5浓度分别为240μg/m3、300μg/m3，室内外甲醛浓度分别为0.5mg/m3、0mg/m3、室内源产生甲醛的量为10.8mg/h，室内有两个人、室内产生CO2量为40000ml/h，其他参数的选取参考《空气净化器标准》(GB/T18801-2015)附录F中参数选取规范。Taking a room with an area of 15m 2 and a height of 2.4m 2 as an example, suppose the indoor and outdoor PM 2.5 concentrations are 240μg/m 3 and 300μg/m 3 respectively, and the indoor and outdoor formaldehyde concentrations are 0.5mg/m 3 and 0mg/m 3. The amount of formaldehyde produced by indoor sources is 10.8mg/h, there are two people in the room, and the amount of CO 2 produced indoors is 40,000ml/h. For the selection of other parameters, refer to Appendix F of "Standards for Air Purifiers" (GB/T18801-2015) Parameter selection specification.
根据空气净化器净化理论，利用本发明提供的空气净化系统以两种净化方式交替运行，交替运行周期为30min，对室内PM2.5、甲醛、CO2的去除性能分别如附图3-5所示：室内PM2.5浓度最终在16～19μg/m3之间波动；室内甲醛浓度最终也在0.04～0.06mg/m3之间波动；室内CO2浓度最终在605～928ml/m3之间波动，该空气净化系统对三种空气污染物的去除效果均达到了《室内空气质量标准》(GB/T18883-2002)中的浓度标准限制要求。According to the purification theory of the air purifier, the air purification system provided by the present invention is used to alternately operate in two purification modes, the alternate operation cycle is 30 minutes, and the removal performance of indoor PM 2.5 , formaldehyde and CO 2 is shown in Figure 3-5 respectively : Indoor PM 2.5 concentration finally fluctuates between 16-19μg/ m3 ; indoor formaldehyde concentration finally fluctuates between 0.04-0.06mg/ m3 ; indoor CO2 concentration finally fluctuates between 605-928ml/ m3 , The removal effect of the air purification system on the three air pollutants has reached the concentration limit requirements in the "Indoor Air Quality Standard" (GB/T18883-2002).
上述各实施例仅用于说明本发明，其中各部件的结构、连接方式和制作工艺等都是可以有所变化的，凡是在本发明技术方案的基础上进行的等同变换和改进，均不应排除在本发明的保护范围之外。The above-mentioned embodiments are only used to illustrate the present invention, wherein the structure, connection mode and manufacturing process of each component can be changed to some extent, and any equivalent transformation and improvement carried out on the basis of the technical solution of the present invention should not excluded from the protection scope of the present invention.
Claims (9)
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Application publication date: 20180427 |