CN105202660A - Central air conditioner with purification function - Google Patents
Central air conditioner with purification function Download PDFInfo
- Publication number
- CN105202660A CN105202660A CN201510778806.8A CN201510778806A CN105202660A CN 105202660 A CN105202660 A CN 105202660A CN 201510778806 A CN201510778806 A CN 201510778806A CN 105202660 A CN105202660 A CN 105202660A
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- Prior art keywords
- catalyst
- air
- central air
- air conditioner
- indoor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F8/158—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 active carbon
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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
Landscapes
- 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)
- Catalysts (AREA)
Abstract
The invention discloses a central air conditioner with a purification function. The central air conditioner comprises an outdoor heat exchanger, an outdoor unit, an indoor heat exchanger, a plurality of indoor units and a distributor, wherein the outdoor unit is used for carrying out heat exchange with outdoor air; the indoor units are used for carrying out heat exchange with indoor air; the distributor is used for controlling flow of refrigerants between the outdoor unit and the plurality of indoor units; a plurality of electromagnetic expansion valves for regulating the flows of the refrigerants and a plurality of silencers used for cancelling noises are arranged inside the distributor. The central air conditioner is characterized in that filtration and purification units are arranged at a fresh air inlet and in a return air pipeline of the central air conditioner and comprise first adsorption units, catalysis parts and second adsorption units, which are superposed from front to back. The central air conditioner has the beneficial effects that the content of benzene, methylbenzene, xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde and acrolein in the air in buildings is reduced to be less than 0.05mg/m<3> by a catalyst; meanwhile, the content of microorganisms in recycle gas is remarkably reduced.
Description
Technical field
The present invention relates to technical field of air purification, be specifically related to a kind of central air-conditioning with purification function.
Background technology
At present, along with expanding economy, domestic big city can be fewer and feweri for the plot of civil engineering, and the average height of building increases year by year, and a large amount of office building increases sharply.In office building, be generally provided with central air-conditioning.
Central air conditioner system is primarily of heating-cooling equipment or the composition such as device (compressor, Condensing units, handpiece Water Chilling Units, air-conditioning box, boiler, spray chamber etc.), pipeline (refrigerant line, refrigerant pipeline, refrigerating medium pipeline etc.), indoor end equipment (indoor airduct water pipe, air diffuser, fan coil, indoor apparatus of air conditioner etc.), outdoor equipment (outdoor air conduit, cooling tower, air cooled condenser etc.), water pump, control device and auxiliary device.Its operation principle is as follows:
After refrigerant compression is become liquid state by compressor by refrigeration machine, send in evaporimeter and carry out heat exchange with chilled water, freezed by chilled water, chilled water is delivered in the cooling coil of each air blower by refrigerating water pump, is blowed the object reaching cooling by blower fan.Cold-producing medium after evaporation within the condenser releases heat becomes gaseous state, and cooling water is delivered on cooling tower by coolant pump, carries out spraying cooling by water tower blower fan to it, and carries out heat exchange between air, distributes heat in air and goes.
Central air-conditioning system is according to the source situation of process air, and divide again single flow, closed and air return type, general air-conditioning system is air return type air-conditioning system.Air return type air-conditioning system is different by the mixing number of times that before air-supply, return air participates in air handling process again, is divided into primary retirn air formula and secondary return air formula.Allow return air first mix with new wind, then processed, reach ventilation state, this mixing integrated system once, is called primary retirn air formula system.Allow new wind mix with part return air and after treatment, again mix with part return air and meet the requirements of ventilation state, being called secondary return air formula system.Central air conditioner system, in order to energy-conservation, generally adopts air return type, unless there is harmful substance in air-conditioned room.
In office building, because personnel are numerous, construction area is also large, therefore various finishing pollution, breathing exhaust emission and pathogen transmission pollute and are difficult to avoid, and the central air-conditioning that most office building adopts is air return type, causes the pollution of subregion to diffuse to whole building by central air-conditioning thus, when epidemic disease breaks out, the rapid diffusion of disease also can be caused.
Summary of the invention
The object of the invention is to propose a kind of central air-conditioning with purification function, it not only carries out catalysis to air, by the harmful substance in air, such as nitrogen oxide, oxycarbide, organic odor contamination such as benzene,toluene,xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde, methacrylaldehyde etc., carry out decomposing, being oxidized or/and adsorb, also bactericidal purifying is carried out to air, ensure the air cleaning of central air-conditioning.
For reaching this object, the present invention by the following technical solutions:
A kind of central air-conditioning with purification function, comprise and there is outdoor heat converter, and carry out the off-premises station of heat exchange with outdoor air, there is indoor heat converter, and carry out the multiple stage indoor set of heat exchange with room air, control the distributor of refrigerant flowing between off-premises station and several indoor sets, be provided with in the inside of described distributor and regulate multiple electromagnetic expanding valve of cold medium flux and the multiple silencers for abating the noise, it is characterized in that, filtration, purification unit is provided with in the fresh wind port place of described central air-conditioning and air return pipeline, first adsorption element of superposition before and after described filtration, purification unit comprises, catalytic member and the second adsorption element.
Described first adsorption element is provided with fibrous filter layer, and described fibrous filter layer is superimposed with paper fiber thing filter course and ultra-fine fibre glass thing filter course.
Described catalytic member is provided with catalyst layer, and described catalyst comprises carrier, active component and co-catalyst.Described carrier is the mixture of cerium oxide nano cube and promise gibbsite, and its mixing quality is than being 2:1-1:2; Described active component is copper, zirconium, vanadium and tungsten composite oxides, and its mol ratio is 1:(0.5-2): (0.5-2): (0.5-2), described active component weight content is in the catalyst 0.3%-10%; Described co-catalyst is silver and anatase titanium dioxide, and the mol ratio of Ag and Ti is 2:5, and described co-catalyst weight content is in the catalyst 0.3%-6%.
Described active component weight content is in the catalyst 0.3%-10%, preferred 0.5-%-8%, more preferably 2%-5%.Such as, 0.8%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, 5.5%, 6%, 6.5%, 7%, 7.5%.
Described co-catalyst weight content is in the catalyst 0.3%-6%, preferred 0.5%-5%.Such as, 0.8%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, 5.5%.
Preferably, the weight ratio of described active component and co-catalyst is 5:1 ~ 2:1.Such as 4.5:1,4:1,3.5:1,3:1,2.5:1.
Described second adsorption element is provided with adsorption layer, and described adsorption layer is made up of the nano titanium oxide of active carbon and Ag-bearing, and its mixing quality such as, than being 5:1-2:1,4.5:1,4:1,3.5:1,3:1 etc.
The preparation method of described catalyst can take conventional infusion process and other alternatives, the prior art unrestricted choice that those skilled in the art can grasp according to it, and the present invention repeats no more.
When central air-conditioning of the present invention is started working, first new wind and return air enter the first adsorption element, in the first adsorption element, successively through the filtration of paper fiber layer and ultra-fine fibre glass layer, filter the particle in air and large molecule.
Air after filtering enters catalytic member subsequently, and in catalytic member, the organic pollution in air, such as formaldehyde etc., catalyzed oxidation, becomes harmless or be easy to other organic matters of absorbing.
Air after catalysis, enters the second adsorption element.In air, the organic pollution of catalyzed oxidation is absorbed by active carbon, and is distributed in the silver in active carbon, kills virus to the microorganism in air, thus reduces the content of bacterium.
The present invention is by choosing specific cerium oxide nano cube and promise gibbsite as carrier, and choose the copper of special ratios, zirconium, vanadium and tungsten composite oxides as active component, silver and anatase titanium dioxide are as co-catalyst, this catalyst is made to produce cooperative effect, make this catalyst reach less than 0.05 milligram/cubic metre to the removal of benzene,toluene,xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde, methacrylaldehyde in air in buildings, significantly reduce the content of microorganisms in circulating air simultaneously.
Detailed description of the invention
The present invention is described catalyst of the present invention by following embodiment.
Embodiment 1
With the central air-conditioning of purification function, comprise and there is outdoor heat converter, and carry out the off-premises station of heat exchange with outdoor air, there is indoor heat converter, and carry out the multiple stage indoor set of heat exchange with room air, control the distributor of refrigerant flowing between off-premises station and several indoor sets, be provided with in the inside of described distributor and regulate multiple electromagnetic expanding valve of cold medium flux and the multiple silencers for abating the noise, it is characterized in that, filtration, purification unit is provided with in the fresh wind port place of described central air-conditioning and air return pipeline, first adsorption element of superposition before and after described filtration, purification unit comprises, catalytic member and the second adsorption element.
Described first adsorption element is provided with fibrous filter layer, and described fibrous filter layer sequencing is superimposed with paper fiber thing filter course and ultra-fine fibre glass thing filter course.。
Described catalytic member is provided with catalyst layer, prepares catalyst by infusion process, and described carrier is the mixture of cerium oxide nano cube and promise gibbsite, and its mixing quality is than being 2:1;
Described active component is copper, zirconium, vanadium and tungsten composite oxides, and its mol ratio is 1:1:1:1, and described active component weight content is in the catalyst 2%;
Described co-catalyst is silver and anatase titanium dioxide, and the mol ratio of Ag and Ti is 2:5, and described co-catalyst weight content is in the catalyst 1%.
Described second adsorption layer is made up of the nano titanium oxide of active carbon and Ag-bearing, and its mixing quality is than being 3:1.
Start described central air-conditioning, for testing its purification function, in new wind, pass into haze PM2.5 index is the air of 300, and makes the benzene,toluene,xylene of indoor gas, ethylbenzene, styrene, formaldehyde, acetaldehyde, level of acrolein reach 10 milligrams/cubic metre.Circulating air tested indoor gas after 15 minutes, and its haze PM2.5 index is 8, and benzene,toluene,xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde, level of acrolein reach less than 0.05 milligram/cubic metre.
Comparative example 1
The carrier of embodiment 1 is replaced with alundum (Al2O3), and all the other conditions are constant, and its PM2.5 value is 54, and benzene,toluene,xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde, level of acrolein are more than 0.1 milligram/cubic metre.
Comparative example 2
The V of embodiment 1 is replaced with La, and all the other conditions are constant, and its PM2.5 value is 48, and benzene,toluene,xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde, level of acrolein are more than 0.1 milligram/cubic metre.
Comparative example 3
The Cu of embodiment 1 is replaced with Co, and all the other conditions are constant, and its PM2.5 value is 38, and benzene,toluene,xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde, level of acrolein are more than 0.1 milligram/cubic metre.
Comparative example 4
Carrier is used alone cerium oxide nano cube, does not use promise gibbsite, and all the other conditions are constant, and its PM2.5 value is 41, and benzene,toluene,xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde, level of acrolein are more than 0.1 milligram/cubic metre.
Comparative example 5
Carrier is used alone promise gibbsite, does not use cerium oxide nano cube, and all the other conditions are constant, and its PM2.5 value is 62, and benzene,toluene,xylene, ethylbenzene, styrene, formaldehyde, acetaldehyde, level of acrolein are more than 0.1 milligram/cubic metre.
Above-described embodiment and comparative example illustrate, there is specific contact between several component of catalyst of the present invention and between catalyst carrier, omit or replace wherein one or more, all can not reach the certain effects of the application, prove to which create cooperative effect.
Applicant states, the present invention illustrates catalyst of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned catalyst, does not namely mean that the present invention must rely on above-mentioned detailed catalysts and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (1)
1. the central air-conditioning with purification function, comprise and there is outdoor heat converter, and carry out the off-premises station of heat exchange with outdoor air, there is indoor heat converter, and carry out the multiple stage indoor set of heat exchange with room air, control the distributor of refrigerant flowing between off-premises station and several indoor sets, be provided with in the inside of described distributor and regulate multiple electromagnetic expanding valve of cold medium flux and the multiple silencers for abating the noise, it is characterized in that, filtration, purification unit is provided with in the fresh wind port place of described central air-conditioning and air return pipeline, first adsorption element of superposition before and after described filtration, purification unit comprises, catalytic member and the second adsorption element, it is characterized in that,
Described first adsorption element is provided with fibrous filter layer, and described fibrous filter layer is superimposed with paper fiber thing filter course and ultra-fine fibre glass thing filter course, it is characterized in that,
Described catalytic member is provided with catalyst layer, and described catalyst comprises carrier, active component and co-catalyst, and described carrier is the mixture of cerium oxide nano cube and promise gibbsite, and its mixing quality is than being 2:1-1:2; Described active component is copper, zirconium, vanadium and tungsten composite oxides, and its mol ratio is 1:(0.5-2): (0.5-2): (0.5-2), described active component weight content is in the catalyst 0.3%-10%; Described co-catalyst is silver and anatase titanium dioxide, and the mol ratio of Ag and Ti is 2:5, and described co-catalyst weight content is in the catalyst 0.3%-6%;
Described second adsorption filtration adsorption element is provided with adsorption layer, and described adsorption layer is made up of the nano titanium oxide of active carbon and Ag-bearing, and its mixing quality is than being 5:1-2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778806.8A CN105202660A (en) | 2015-11-13 | 2015-11-13 | Central air conditioner with purification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778806.8A CN105202660A (en) | 2015-11-13 | 2015-11-13 | Central air conditioner with purification function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105202660A true CN105202660A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510778806.8A Withdrawn CN105202660A (en) | 2015-11-13 | 2015-11-13 | Central air conditioner with purification function |
Country Status (1)
| Country | Link |
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| CN (1) | CN105202660A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563443A (en) * | 2016-11-01 | 2017-04-19 | 青岛海尔空调器有限总公司 | Production method of catalyst and indoor unit of air conditioner |
| CN108731120A (en) * | 2018-06-20 | 2018-11-02 | 南京海洛阿姆生物科技有限公司 | A kind of air pollution treatment purifier |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752629A (en) * | 2004-09-24 | 2006-03-29 | 乐金电子(天津)电器有限公司 | Central air conditioner |
| CN1772374A (en) * | 2004-11-08 | 2006-05-17 | 株式会社日本触媒 | Catalyst for processing waste gas and method for processing waste gas thereof |
-
2015
- 2015-11-13 CN CN201510778806.8A patent/CN105202660A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1752629A (en) * | 2004-09-24 | 2006-03-29 | 乐金电子(天津)电器有限公司 | Central air conditioner |
| CN1772374A (en) * | 2004-11-08 | 2006-05-17 | 株式会社日本触媒 | Catalyst for processing waste gas and method for processing waste gas thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563443A (en) * | 2016-11-01 | 2017-04-19 | 青岛海尔空调器有限总公司 | Production method of catalyst and indoor unit of air conditioner |
| CN108731120A (en) * | 2018-06-20 | 2018-11-02 | 南京海洛阿姆生物科技有限公司 | A kind of air pollution treatment purifier |
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Application publication date: 20151230 |
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