CN218563504U - Liquid flow window with air purification function - Google Patents
Liquid flow window with air purification function Download PDFInfo
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- CN218563504U CN218563504U CN202222137929.1U CN202222137929U CN218563504U CN 218563504 U CN218563504 U CN 218563504U CN 202222137929 U CN202222137929 U CN 202222137929U CN 218563504 U CN218563504 U CN 218563504U
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Abstract
The utility model relates to a provide a liquid stream window with air purification function, including first glass board and second glass board, first glass board includes first face and second face, and the second glass board includes the third faceAnd a fourth face; the first glass plate and the second glass plate are oppositely arranged; the sealing glue is arranged in the peripheral area between the second surface of the first glass plate and the third surface of the second glass plate, the sealing glue, the first glass plate and the second glass plate are enclosed to form a first closed cavity, and a first fluid is arranged in the first closed cavity; wherein the first surface or the fourth surface is provided with a photocatalytic layer which is nano TiO 2 A film. The utility model discloses combine together photocatalysis technique and liquid stream window technique, on the one hand, can realize purifying the indoor pollution harmful gas that uses formaldehyde as the representative when satisfying the liquid stream window and utilizing solar photothermal, on the other hand promotes the absorption rate to the full gloss register for easy reference of solar energy and the comprehensive utilization ratio of window form.
Description
Technical Field
The utility model belongs to the technical field of solar photothermal utilization and air purification, it is specific, be about a liquid stream window with air purification function.
Background
With the continuous development of economy in China, the living standard of people is improved to a great extent, the requirements on indoor environment, particularly on air quality are increasingly improved, but the indoor air quality of most buildings such as new buildings, reconstruction or new decoration is poor, and air pollution is serious. According to statistics, more than 70% of the life of a person spends indoors, so the quality of indoor air directly affects the living comfort and the health of the person.
The liquid flow window is a novel window body for energy-saving solar photo-thermal utilization, has great application potential in the field of solar building integration, can convert solar energy into heat energy for users to use, and can even realize the utilization of solar power generation and the like through the application of functional glass, but the combination of the existing liquid flow window and the air purification technology has not been researched yet. And the existing liquid flow window has limited utilization efficiency of sunlight, so that the full spectrum efficient utilization of the sunlight, such as ultraviolet light, is difficult to realize. At the same time, ultraviolet light is a radiation that is harmful to human health and device lifetime. For a window, strong light enters the window, which sometimes causes the problem of indoor glare, and the glare effect can be reduced by coating the glass to weaken the light transmission of the glass.
Chinese patent No. (202210078845.7) proposes a photovoltaic energy-saving liquid flow window, which combines a thin film photovoltaic technology with a liquid flow window technology, simultaneously realizes the heat utilization and photovoltaic power generation of solar energy, and well avoids the defects of low solar energy absorption rate and low conversion efficiency of a photovoltaic cell caused by the rise of the temperature of the cell at the present stage. However, the liquid flow window does not realize the efficient utilization of the full spectrum of the sunlight, and for the photovoltaic module, the utilization rate of the liquid flow window for ultraviolet light and visible light is about 20%, which means that a large part of the ultraviolet light is not utilized.
Chinese patent (201520123736.8) proposes a self-cleaning photovoltaic module, in which TiO with photocatalysis and photoinduced hydrophilicity is arranged above cover plate glass of the photovoltaic module 2 The film can improve the problem of reduction of the power generation efficiency of the photovoltaic module in the using process when meeting dust and pollutants, and improves the cleanness and the light transmittance of the cover plate glass of the photovoltaic module in long-time operation. However, there is no research on the existing liquid flow window, and the liquid flow window still needs to be cleaned and maintained manually, and cannot purify harmful air.
Therefore, a technical solution is needed, which can combine the photocatalytic technology with the liquid flow window technology, and realize active utilization of the full spectrum of sunlight and complete the indoor air purification function.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to the not enough of above-mentioned prior art, provide a liquid stream window with air purification function. The liquid flow window adopts the advantages that the existing liquid flow window technology realizes photo-thermal utilization and the photocatalysis technology realizes indoor air purification, and overcomes the defects that the existing liquid flow window technology cannot realize full-spectrum efficient grading utilization of sunlight and has a single utilization mode. The liquid flow window can effectively decompose indoor VOC (volatile organic compounds) through a photocatalytic oxidation technology and convert the VOC into non-toxic and harmless carbon dioxide and water, so that the indoor polluted gas can be purified and decomposed. The photocatalytic layer is coated on the surface of the liquid flow window glass plate, so that indoor glare can be reduced, indoor ultraviolet comfort level is improved, and the liquid flow window glass plate is suitable for but not limited to new construction, reconstruction buildings, newly-decorated buildings and the like.
In order to solve the technical problem, the utility model provides a, provide a liquid stream window with air purification function, include:
the glass plate comprises a first glass plate and a second glass plate, wherein the first glass plate comprises a first surface and a second surface, and the second glass plate comprises a third surface and a fourth surface; the first glass plate and the second glass plate are oppositely arranged;
the sealant is arranged in the peripheral area between the second surface of the first glass plate and the third surface of the second glass plate, the sealant, the first glass plate and the second glass plate enclose to form a first closed cavity, and a first fluid is arranged in the first closed cavity;
wherein the first surface or the fourth surface is provided with a photocatalytic layer which is nano TiO 2 A film.
As the preferred technical proposal, the nano TiO 2 Nano TiO with film of anatase type structure 2 A film.
As a preferable technical scheme, the anatase type nano TiO can be prepared by a sol-gel method 2 The film can meet different light transmission requirements of users on the window body by adjusting process parameters.
As a preferred technical scheme, the second glass plate is hollow glass, vacuum glass, photovoltaic glass or intelligent glass; when the second glass plate is hollow glass, the gas layer is air or inert gas; when the second glass plate is vacuum glass, a vacuum support column is arranged in the vacuum glass.
As the preferred technical scheme, the first glass plate or the second glass plate is of a single-glass structure, a double-glass single-cavity structure, a three-glass double-cavity structure or a four-glass three-cavity structure.
According to the preferable technical scheme, an immersed heat exchanger is arranged in the sealant, one side of the immersed heat exchanger is immersed in the first fluid, the second fluid flowing in a unidirectional mode passes through the immersed heat exchanger, and the first fluid and the second fluid exchange heat through the immersed heat exchanger.
As a preferred technical scheme, the submerged heat exchanger comprises an inlet side horizontal connecting pipe, an outlet side horizontal connecting pipe, an inlet side vertical connecting pipe, an outlet side vertical connecting pipe and a main body heat exchange horizontal pipe, wherein the inlet side horizontal connecting pipe and the outlet side horizontal connecting pipe are arranged outside the first closed cavity; the inlet side vertical connecting pipe and the outlet side vertical connecting pipe respectively penetrate through a first opening and a second opening which are formed in the sealant; the outer ends of the inlet side vertical connecting pipe and the outlet side vertical connecting pipe are respectively communicated with the inlet side horizontal connecting pipe and the outlet side horizontal connecting pipe, and the inner ends of the inlet side vertical connecting pipe and the outlet side vertical connecting pipe are respectively communicated with two ends of the main body heat exchange horizontal pipe.
As a preferred technical solution, the liquid level line of the first fluid is located above the main heat exchange horizontal pipe of the submerged heat exchanger.
As the preferred technical scheme, the upper part of the sealant is also provided with a third opening, and the third opening is provided with a detachable sealing soft plug.
As a preferable technical scheme, the first glass plate and/or the second glass plate is/are provided with a low-e coating film or an antireflection coating film.
As a preferred technical scheme, the first fluid is water, antifreeze or nanofluid; the second fluid is a municipal water supply or other liquid having a lower temperature than the first fluid.
The utility model discloses for prior art gain following technological effect: (1) The photocatalysis technology is combined with the liquid flow window technology, so that on one hand, the liquid flow window can purify and decompose indoor polluted harmful gas represented by formaldehyde while meeting the solar energy photo-thermal utilization requirement, and on the other hand, the full-spectrum solar energy absorption rate and the comprehensive window utilization rate are improved; (2) With nano TiO 2 As a photocatalyst, has good photocatalytic activity and photoinduced hydrophilicity, and is prepared by coating nano TiO on a glass substrate 2 The film can realize self-cleaning of pollutants such as dust, oil stains and the like on the surface while realizing air purification, thereby saving the manual cleaning and maintenance cost and improving the economic benefit; (2) With anatase type nano TiO 2 As the photocatalyst, the energy band gap is 3.2eV, the photocatalyst can generate the photocatalytic effect after the ultraviolet light irradiation, thereby realizing the indoor air purificationAnd ultraviolet light is radiation harmful to human bodies and devices, so that the comfort level of the ultraviolet light of users can be improved, and the service life of the window body can be prolonged.
Description of the drawings:
in order to more clearly illustrate the present invention, the present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a front view of a liquid flow window with an air purifying function according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a liquid flow window with an air purification function according to an embodiment of the present invention;
fig. 3 isbase:Sub>A schematic cross-sectional view ofbase:Sub>A liquid flow window with an air purification function alongbase:Sub>A sectional linebase:Sub>A-base:Sub>A' according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an immersion heat exchanger with a liquid flow window for air purification according to an embodiment of the present invention;
description of the reference numerals:
101-a first sash; 102-a second window frame; 103-a third window frame; 104-a fourth window frame; 201-a first glass plate; 202-a first closed cavity; 203-a first fluid; 204-a second glass plate; 205-sealing glue; 206-a second fluid; 207-first opening; 208-a second opening; 209-third opening; 210-soft plug; 300-submerged heat exchanger; 301-horizontal connecting tube; 302-a first vertical connecting tube; 303-horizontal tube; 304-a second vertical connecting tube; 305-horizontal connecting tube; 306-a first retainer ring; 307-a second retainer ring; 400-liquid level line; 500-photocatalytic layer.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the product of the present invention is usually placed when in use, or the orientation or positional relationship that a person skilled in the art usually understands, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first", "second", etc. in the present invention are used only for descriptive distinction and have no special meanings.
The "inner surface" and "outer surface" of the present invention refer to only the positional relationship between the indoor and outdoor, and are used for distinguishing in description, and have no special meaning.
Examples
As shown in fig. 1, 3 and 4, there is provided a liquid flow window having an air purifying function, comprising a first glass plate 201 and a second glass plate 204, wherein the first glass plate 201 comprises a first face and a second face, the second glass plate 204 comprises a third face and a fourth face, and a photocatalytic layer 500 is coated on the surface of the first face or the fourth face. The first glass plate 201 is arranged opposite to the second glass plate 204; the glass plate fixing device further comprises a fixing window frame for fixing the first glass plate 201 and the second glass plate 204; the fixed window frames are generally composed of four window frame sides, including a first window frame 101 located at an upper side, a second window frame 102 located at a left side, a third window frame 103 located at a lower side, and a fourth window frame 104 located at a right side.
The sealing device comprises a sealing glue 205 arranged in the peripheral area between the second surface of the first glass plate 201 and the third surface of the second glass plate 204, the sealing glue 205, the first glass plate 201 and the second glass plate 204 are enclosed to form a first closed cavity 202, and a first fluid 203 is arranged in the first closed cavity 202.
Preferably, the photocatalytic layer 500Is anatase type nano TiO 2 Film of TiO due to 2 Has an energy band gap of 3.2eV, and can excite electrons in a valence band to transit to a conduction band under the irradiation of ultraviolet light, thereby forming positive charge holes on the valence band and negative charge electrons on the conduction band to form electron-hole pairs. Therein negatively charged electrons (e) - ) Combine with ambient oxygen to form negative oxygen ions (O) 2 - ) Positively charged hole (h) + ) With free water molecules (H) in the air 2 O) and hydroxyl ion (OH) - ) The generated hydroxyl free radical and negative oxygen ion have strong oxidizing property and reducing property, and can oxidize most organic matters into final product CO 2 And H 2 O, so that indoor VOC with formaldehyde as a main pollutant can be decomposed to realize indoor air purification; at the same time, nano TiO 2 The contact angle of the film and water under the irradiation of ultraviolet light is reduced, the complete wetting of water on the surface can be realized, an even water film is formed on the surface of the glass, and the surface self-cleaning can be realized under the action of gravity or the washing of rainwater, so that the cleaning and maintenance cost is reduced, and the liquid flow window can always keep a good daylighting performance.
Preferably, the anatase type nano TiO is processed by a sol-gel method 2 The film is coated on the first surface of the first glass plate 201 or the fourth surface of the second glass plate 204, and the nano TiO is controlled by regulating and controlling the process parameters, such as the coating times, the sol solution concentration and other relevant factors 2 The light transmittance of the photocatalytic film enables the photocatalytic film to meet lighting requirements and better realize photocatalytic degradation of indoor VOC.
Preferably, when used in an environment requiring thermal insulation, the second glass plate 204 may be hollow glass, vacuum glass, photovoltaic glass, smart glass, or the like. When the hollow glass is selected, the gas layer can be air or inert gas; when the vacuum glass is selected, a vacuum support column is arranged for resisting negative pressure; when the photovoltaic glass is selected, the photovoltaic glass can be selected from crystalline silicon photovoltaic glass, amorphous silicon/cadmium telluride/copper indium gallium selenide and other thin film photovoltaic glass; when the intelligent glass is selected, the intelligent glass can be electrochromic glass, thermochromic glass, gasochromic glass and other intelligent glass.
The second glass plate 204 may be made of ordinary glass when used in a normal environment.
As shown in fig. 3, it is preferable that the heat exchange between the first fluid 203 and the second fluid 206 is performed by using a submerged heat exchanger 300 in the present embodiment. The submerged heat exchanger 300 includes, in order, an inlet-side horizontal connection pipe 301, an inlet-side first vertical connection pipe 302, a body heat exchange horizontal pipe 303, an outlet-side second vertical connection pipe 304, and an outlet-side horizontal connection pipe 305. The inlet horizontal connecting pipe 301 and the outlet horizontal connecting pipe 305 may be heat-insulated with heat-insulating cotton to prevent heat loss. The whole immersion heat exchanger 300 can be made of materials with high heat conductivity coefficient, such as copper, and the like, wherein the two sides of the main heat exchange horizontal pipe 303 can be designed by annular fins to enhance heat exchange.
Preferably, the first window frame 101 and the sealant 205 in the surrounding area are provided with 3 openings, namely a first opening 207 for passing through a first vertical connection pipe 302 at the inlet side of the submerged heat exchanger 300, a second opening 208 for passing through a second vertical connection pipe 304 at the outlet side of the submerged heat exchanger 300, and a third opening 209 for filling/discharging the first closed cavity 202 with/from the first fluid 203 by using a siphon effect. Wherein the third opening 209 is sealed with a soft plug 210, and is kept in a normally closed state, preventing the first fluid 203 from evaporating or oxidatively deteriorating. The entire submerged heat exchanger 300 is fixed to the first window frame 101 by using the first fixing ring 306 of the upper end and the second fixing ring 307 of the lower end on the first vertical connection pipe 302 of the inlet side and the second vertical connection pipe 304 of the outlet side.
The main heat exchange horizontal pipe 303 and a part of the inlet side first vertical connection pipe 302 and a part of the outlet side second vertical connection pipe 304 of the submerged heat exchanger 300 are immersed in the first fluid 203 in the first closed cavity 202. The liquid level line 400 of the first fluid 203 in the first closed cavity 202 always goes through the main body heat exchange horizontal pipe 303 of the submerged heat exchanger 300, preventing deterioration of heat transfer. Meanwhile, the immersion heat exchanger 300 is completely shielded by the first window frame 101, and the attractiveness and the visual field interaction of the window cannot be influenced.
The second fluid 206 is arranged in the submerged heat exchanger 300, one side of the submerged heat exchanger 300 is submerged in the first fluid 203, and the first fluid 203 can be water, antifreeze, nanofluid or other fluid capable of enhancing heat transfer; or the stable dyeing material solution with specific color is adopted to meet the aesthetic requirements of users on the appearance of the glass curtain wall. The second fluid 206 may be a municipal water supply or other liquid in the building that is at a lower temperature than the first fluid 203. The temperature of the first fluid 203 rises under the action of solar radiation, the first fluid flows upwards along the temperature gradient in the first closed cavity 202 and reaches one side of the submerged heat exchanger 300 to release heat, and the first fluid 203 flows downwards along the temperature gradient after being cooled and is in a natural annular flow. The second fluid 206 flows unidirectionally in the submerged heat exchanger 300 and absorbs heat given off from the first fluid 203, thereby increasing in temperature and achieving heat utilization for solar radiation.
In this embodiment, the liquid flow window with the air purification function can realize graded utilization of sunlight, improves the utilization rate of sunlight, and enables the liquid flow window to have the air purification function while having the traditional heat utilization function, and particularly, in this embodiment, because TiO is used as a main component of the liquid flow window 2 The liquid flow window has photoinduced hydrophilicity, can realize self-cleaning of the surface of the liquid flow window glass, saves manual maintenance cost and can keep a good light transmission property of the liquid flow window. Under the irradiation of sunlight, ultraviolet light is firstly coated by the nano TiO coated on the outer surface of the first glass plate 201 2 The film is partially absorbed due to the nano TiO 2 The film has photoinduced hydrophilicity, can realize complete infiltration with water under the irradiation of ultraviolet light, and can realize self-cleaning of the surface of the liquid flow window under the flushing of self gravity or rainwater; part of the rest sunlight is absorbed by the first fluid and converted into heat energy, the first fluid 203 obtains heat through two modes of direct solar radiation and indirect glass plate heat transfer to heat the second fluid 206, solar heat utilization is realized, a preheating effect is realized on a hot water system in a building, and energy consumption of the hot water system in the building is reduced; another portion propagates to the inner surface of the second glass plate 204 due to the TiO 2 Photocatalytic property, ultraviolet lightExciting electrons in the valence band to jump to a conduction band to form an electron-hole pair, and combining the electron-hole pair with oxygen and water molecules in the air to generate active substances, so that indoor pollution gas is degraded and purified through oxidation reaction; by passing TiO twice 2 The film can effectively absorb ultraviolet light, effectively weaken indoor glare and improve indoor ultraviolet light comfort level.
The first glass plate 201 and the second glass plate 204 can be additionally coated with films according to actual requirements, such as low-e coating, so that the energy saving performance of the window body can be improved; the antireflection coating can reduce light pollution caused by sunlight.
Without further elaboration, it is believed that one skilled in the art can, using the description herein, utilize the present invention to its fullest extent. The embodiments described herein are to be construed as illustrative and not limitative of the remainder of the disclosure in any way whatsoever. Although embodiments have been shown and described, many variations and modifications may be made by one skilled in the art without departing from the spirit and teachings of the invention. Accordingly, the scope of protection is not limited by the description set out above, but is only limited by the claims, which include all equivalents of the subject matter of the claims.
Claims (10)
1. A liquid flow window having an air purifying function, comprising:
a first glass plate comprising a first face and a second face, and a second glass plate comprising a third face and a fourth face; the first glass plate and the second glass plate are oppositely arranged;
the sealant is arranged in a peripheral area between the second surface of the first glass plate and the third surface of the second glass plate, the sealant, the first glass plate and the second glass plate enclose to form a first closed cavity, and a first fluid is arranged in the first closed cavity;
wherein the first surface and/or the fourth surface are/is provided with a photocatalytic layer which is nano TiO 2 A film.
2. According to claimThe liquid flow window with air purification function of claim 1, wherein the nano TiO is 2 Nano TiO with film of anatase type structure 2 A film.
3. The liquid flow window with air purification function of claim 1, wherein the second glass plate is hollow glass, vacuum glass, photovoltaic glass or smart glass; when the second glass plate is hollow glass, the gas layer is air or inert gas; and when the second glass plate is vacuum glass, a vacuum support column is arranged in the vacuum glass.
4. The liquid flow window with the air purification function of claim 3, wherein the first glass plate or the second glass plate is of a single-glass structure, a double-glass single-cavity structure, a three-glass double-cavity structure or a four-glass three-cavity structure.
5. The liquid flow window with the air purifying function as claimed in claim 1, wherein an immersion heat exchanger is arranged in the sealant, one side of the immersion heat exchanger is immersed in the first fluid, a second fluid flowing in a unidirectional manner passes through the immersion heat exchanger, and the first fluid and the second fluid exchange heat through the immersion heat exchanger.
6. The liquid flow window with the air purification function according to claim 5, wherein the submerged heat exchanger comprises an inlet side horizontal connecting pipe and an outlet side horizontal connecting pipe which are arranged outside the first closed cavity, an inlet side vertical connecting pipe and an outlet side vertical connecting pipe, and a main body heat exchange horizontal pipe which is arranged in the first closed cavity; the inlet side vertical connecting pipe and the outlet side vertical connecting pipe respectively penetrate through a first opening and a second opening which are formed in the sealant; the outer ends of the inlet side vertical connecting pipe and the outlet side vertical connecting pipe are respectively communicated with the inlet side horizontal connecting pipe and the outlet side horizontal connecting pipe, and the inner ends of the inlet side vertical connecting pipe and the outlet side vertical connecting pipe are respectively communicated with two ends of the main body heat exchange horizontal pipe.
7. The liquid flow window with the air purification function of claim 5 or 6, wherein the liquid level line of the first fluid is positioned above the main heat exchange horizontal tube of the submerged heat exchanger.
8. The liquid flow window with the air purifying function according to claim 5 or 6, wherein the first fluid is water, antifreeze or nano fluid; the second fluid is municipal water or other liquid having a lower temperature than the first fluid.
9. The liquid flow window with the air purifying function as claimed in any one of claims 1 to 6, wherein the upper part of the sealant is further provided with a third opening, and the third opening is provided with a removable soft sealing plug.
10. The window of any one of claims 1-6, wherein the first and/or second glass sheets are provided with a low-e coating or an anti-reflective coating.
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| CN202222137929.1U CN218563504U (en) | 2022-08-15 | 2022-08-15 | Liquid flow window with air purification function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115450546A (en) * | 2022-08-15 | 2022-12-09 | 北京科技大学 | Liquid flow window with air purification function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115450546A (en) * | 2022-08-15 | 2022-12-09 | 北京科技大学 | Liquid flow window with air purification function |
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