CN201827979U - Evaporative condensing dual-temperature fresh air handling unit - Google Patents
Evaporative condensing dual-temperature fresh air handling unit Download PDFInfo
- Publication number
- CN201827979U CN201827979U CN2010205373157U CN201020537315U CN201827979U CN 201827979 U CN201827979 U CN 201827979U CN 2010205373157 U CN2010205373157 U CN 2010205373157U CN 201020537315 U CN201020537315 U CN 201020537315U CN 201827979 U CN201827979 U CN 201827979U
- Authority
- CN
- China
- Prior art keywords
- temperature
- fresh air
- blower fan
- air
- condenser
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model discloses an evaporative condensing dual-temperature fresh air handling unit. The fresh air handling unit comprises a fresh air dehumidification functional section and an evaporative condensing air-discharge functional section, wherein self-provided direct evaporation and refrigeration devices are arranged in both the fresh air dehumidification functional section and the evaporative condensing air-discharge functional section; a cold/hot water coil is arranged at a fresh air inlet of the fresh air dehumidification functional section; and the self-provided direct evaporation and refrigeration devices adopt pre-cooling types. In the fresh air handling unit, in-depth dehumidification of fresh air under the working condition in summer can be achieved through exhaust air heat recovery, application of low-grade high-temperature cold sources in summer, and efficient condensation of discharged air of the self-provided direct evaporation and refrigeration devices, so as to remarkably improve the handling efficiency of the fresh air system and provide an efficient fresh air handling mode for dual-temperature cold-source separated temperature and moisture control air-conditioning technology. The pre-cooling evaporation and condensation technology is adopted to enable superheated refrigerant in a sensible heat pre-cooling condenser to be effectively cooled to below 50 DEG C, then the cooled refrigerant enters an evaporative condenser to be cooled, and the evaporative cooling condenser is effectively prevented from scaling because of the two-stage series condensation method.
Description
Technical field
The utility model relates to a kind of new blower fan group that is used for central air conditioner system, a kind of more precisely new blower fan group of the two temperature of evaporating type condensing that is used for double-temperature refrigerator source humiture independence air-conditioning system.
Background technology
In central air conditioner system, new blower fan group is to bear the air conditioner end equipment of new air cooling dehumidification treatments task.Humiture independent regulation air-conditioning system, it is a kind of new, energy-saving central air conditioner system, it can increase substantially the refrigerating efficiency (COP) of cold water main unit by improving the supply water temperature of concentrating low-temperature receiver or directly adopting the low grade natural low-temperature receiver, reaches the purpose of air-conditioning system whole energy.In this system, the high temperature chilled water that concentrated low-temperature receiver provides is mainly born indoor sensible heat load, do not bear or only part bear air-conditioning system dehumidifying task, its VMC need provide auxiliary dehumidifying means in addition.Type new blower fan group in double-temperature refrigerator source is exactly according to above-mentioned needs, bears the special equipment of fresh air dehumidification function in summer with the form that carries auxiliary cold source.If will carry auxiliary cold source is designed to heat-pump-type, can also carry out heat treated to new wind in the transition season before air-conditioning system does not have central heat source or central heat source to begin heat supply.
As shown in Figure 1, usually have only one a group of condenser 5 and a cover liquid distribution 6 in the new blower fan group of existing conventional evaporating type condensing, adopting direct evaporation system that new wind is carried out cool-down dehumidification handles, in this case, the condenser 5 of refrigeration system is arranged on the air draft side, this kind set-up mode, because exhaust air rate is limited, even adopt the evaporative condenser technology, that also the cold of refrigeration system can't be joined is very big, do not satisfy degree of depth dehumidifying, and adopt the evaporative condenser technology can cause the condenser surface fouling, influence heat exchange efficiency new wind.
The utility model content
The utility model purpose is, provide the two temperature of a kind of evaporating type condensing new blower fan group, by air draft recuperation of heat, summer to the application of low-grade high temperature low-temperature receiver and the air draft high-efficiency condensation that carries cold source system, can significantly improve the processing efficiency of VMC, simultaneously for adopting summer double-temperature refrigerator source warm and humid branch control air-conditioning technical that a kind of high efficiency new wind tupe is provided.
For solving the problems of the technologies described above, the new blower fan group of the two temperature of a kind of evaporating type condensing of the present utility model, comprise fresh air dehumidification functional section, evaporative condenser air-exhausting function section, in described fresh air dehumidification functional section, evaporative condenser air-exhausting function section, be provided with and carry direct evaporation-refrigeration device, new wind porch at described fresh air dehumidification functional section is provided with the cold/hot water coil pipe, and described to carry direct evaporation-refrigeration device be pre-cooling type.
Preferably, describedly carry direct evaporation-refrigeration device and comprise and be arranged on sensible heat precooling condenser, evaporative condenser, the compressor in the described evaporative condenser air-exhausting function section and be arranged on evaporimeter in the described fresh air dehumidification functional section that described sensible heat precooling condenser, evaporative condenser, compressor, evaporimeter are connected to form a refrigerating circuit.
Preferably, described sensible heat precooling condenser is arranged between compressor described in the evaporative condenser air-exhausting function section and the evaporative condenser.
Preferably, described cold/hot water coil pipe is a surface cooler independently.Perhaps, described cold/hot water coil pipe also can be formed by a plurality of surface cooler tandem compounds.
Preferably, the low-temperature receiver of described hot and cold water coil pipe is the low-temperature receiver of supply water temperature 〉=7 ℃.
Preferably, describedly carry direct evaporation-refrigeration device and also can be heat-pump-type.The direct evaporation-refrigeration device that carries of this kind heat-pump-type both had been used for the fresh air dehumidification in summer, also can be used for transition Ji Xinfeng heating.
It is perhaps, described that to carry direct evaporation-refrigeration device be single-cooling type.The direct evaporation-refrigeration device that carries of this kind single-cooling type only is used for the fresh air dehumidification in summer.
Preferably, described sensible heat precooling condenser is finned heat exchanger or band-tube type heat exchanger.
Compared with prior art, the utlity model has following outstanding beneficial effect:
1) by air-conditioning system is carried out air draft in a organized way, and pre-cooling type is set in unit carries direct evaporation-refrigeration device, can avoid the condenser fouling effectively, reclaim the cold in the air draft simultaneously, reduce the fresh air dehumidification energy consumption of air-conditioning system, reduce the condensing pressure that carries low-temperature receiver, the COP of system is significantly improved;
2) further,, adopt low-grade low-temperature receiver that new wind is carried out precooling treatment, can effectively improve the refrigerating efficiency of concentrating low-temperature receiver by hot and cold water coil pipe-pyrometric scale cooler is set in the fresh air dehumidification functional section, and may for adopting natural cooling source to provide;
3) further,, can realize heat treated to new wind, help to solve the preceding low excessively problem of room temperature of central heat source heat supply in transition season by the conversion of heat pump mode.
Description of drawings
Fig. 1 is the schematic diagram of the new blower fan group of evaporating type condensing of existing routine;
Fig. 2 is the schematic diagram of the new blower fan group of the two temperature of evaporating type condensing in the utility model;
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of reference numerals is as follows:
1---compressor; 2---the cold/hot water coil pipe;
3---evaporimeter; 4---sensible heat precooling condenser;
5---evaporative condenser; 6---liquid distribution;
7---pressure fan; 8---exhaust blower;
9---filter;
Among the figure, the arrow direction is a wind direction, and R.A represents return air, and F.A represents new wind, and S.A represents air-supply, and E.A represents air draft.
The specific embodiment
Below in conjunction with accompanying drawing, the new blower fan group of the two temperature of evaporating type condensing of the present utility model is elaborated by specific embodiment.
The new blower fan group of the two temperature of evaporating type condensing of the present utility model comprises fresh air dehumidification functional section, evaporative condenser air-exhausting function section.
The fresh air dehumidification functional section is provided with pressure fan 7 and one group of cold/hot water coil pipe 2 and one group of direct-expansion coil-be evaporimeter 3.Wherein, pressure fan 7 is arranged on the air outlet place, is responsible for providing the transmission ﹠ distribution power of new wind; Cold/hot water coil pipe 2 is arranged on new wind porch, and its hot water or cold water concentrates cold and heat source to provide by the outside, and summer condition is responsible for the heating in winter of the pre-cold-peace of new wind in summer by the high temperature cold water design; Evaporimeter 3 is arranged on after the cold/hot water coil pipe 2 along new wind flow direction, is responsible for the degree of depth dehumidifying and the transition Ji Xinfeng heating of new wind in summer.
Evaporative condenser air-exhausting function section is provided with filter 9, exhaust blower 8 and compressor 1, sensible heat precooling condenser 4, evaporative condenser 5 and liquid distribution 6.Exhaust blower 8 is arranged on the exhaust outlet place, be responsible for providing exhaust system power, sensible heat precooling condenser 4 is arranged on the return air porch, evaporative condenser 5 is after the return air flow direction is arranged on sensible heat precooling condenser 4, evaporimeter 3 in compressor 1 and sensible heat precooling condenser 4, evaporative condenser 5 and the fresh air dehumidification functional section connects into a refrigerating circuit, constitute the direct evaporation-refrigeration device of carrying of this new blower fan group, it provided new wind degree of depth dehumidifying low-temperature receiver and takes away condensation heat by air draft in summer.Can make pump type heat with carrying direct evaporation-refrigeration device as required in the unit, can be in excessive season to new wind heating.Wherein, sensible heat precooling condenser 4 can be selected finned heat exchanger or band-tube type heat exchanger for use, also can select other forms of heat exchanger for use.
The new blower fan group of the two temperature of evaporating type condensing of the present utility model, its running is as follows:
When removing the wet cooling condition operation summer, cold/hot water coil pipe 2 feeds the low temperature refrigerant, outdoor new wind enters unit via the new wind inlet of fresh air dehumidification functional section, after 2 precoolings of cold/hot water coil pipe, dehumidifying, the evaporimeter 3 that carries direct evaporation-refrigeration device by unit carries out degree of depth dehumidifying again, minimum air-supply water capacity can reach 7.5g/kg, sends into indoor by pressure fan 7 then.
Indoor exhaust wind then enters the condensation exhaust functional section via the return air inlet under exhaust blower 8 drives, filtering of 9 pairs of filters, then, it drops to below 50 ℃ through the high-temperature gas cold-producing medium that sensible heat precooling condenser 4 will be flowed through sensible heat precooling condenser 4 earlier, again through evaporative condenser 5 will flow through be discharged to after the cold-producing medium of evaporative condenser 5 cools off fully outdoor, thereby realize recuperation of heat to indoor exhaust wind.Liquid distribution 6 constantly on evaporative condenser 5 trickle to improve the heat-sinking capability of evaporative condenser 5.
The new blower fan groups of the two temperature of evaporating type condensing of the present utility model by air draft recuperation of heat, summer to the application of low-grade high temperature low-temperature receiver and the air draft high-efficiency condensation that carries direct refrigerating plant, can realize the degree of depth dehumidifying of new wind under the summer condition, provide dry new wind to air-conditioning system, simultaneously, reclaim the air draft cold to greatest extent, has obvious energy-saving effect, significantly improve the processing efficiency of VMC, provide a kind of high efficiency new wind tupe for adopting double-temperature refrigerator source warm and humid branch control air-conditioning technical summer.In addition, because its condensing mode that carries direct evaporation-refrigeration device adopts pre-cooling type evaporative condenser technology, can reduce the load that cold/hot water coil pipe 2 is born, superheated refrigerant is cooled to below 50 ℃ in sensible heat precooling condenser effectively, enter the evaporative condenser cooling again, by the mode of two-stage series connection condensation, can effectively avoid the condenser fouling, eliminate the hidden danger that adopts the evaporative condenser fouling.
Only be preferred implementation of the present utility model below, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with the determined scope of claim.For those skilled in the art, in not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. new blower fan groups of the two temperature of an evaporating type condensing, comprise fresh air dehumidification functional section, evaporative condenser air-exhausting function section, in described fresh air dehumidification functional section, evaporative condenser air-exhausting function section, be provided with and carry direct evaporation-refrigeration device, it is characterized in that, new wind porch at described fresh air dehumidification functional section is provided with the cold/hot water coil pipe, and described to carry direct evaporation-refrigeration device be pre-cooling type.
2. the new blower fan group of the two temperature of evaporating type condensing according to claim 1, it is characterized in that, describedly carry direct evaporation-refrigeration device and comprise and be arranged on sensible heat precooling condenser, evaporative condenser, the compressor in the described evaporative condenser air-exhausting function section and be arranged on evaporimeter in the described fresh air dehumidification functional section that described sensible heat precooling condenser, evaporative condenser, compressor, evaporimeter are connected to form a refrigerating circuit.
3. the new blower fan group of the two temperature of evaporating type condensing according to claim 2 is characterized in that described sensible heat precooling condenser is arranged between compressor described in the described evaporative condenser air-exhausting function section and the evaporative condenser.
4. the new blower fan groups of the two temperature of evaporating type condensing according to claim 1 is characterized in that, described cold/hot water coil pipe is a surface cooler independently.
5. the new blower fan group of the two temperature of evaporating type condensing according to claim 1 is characterized in that described cold/hot water coil pipe is formed by a plurality of surface cooler tandem compounds.
6. the new blower fan groups of the two temperature of evaporating type condensing according to claim 1 is characterized in that, the low-temperature receiver of described cold/hot water coil pipe is the low-temperature receiver of supply water temperature 〉=7 ℃.
7. the new blower fan groups of the two temperature of evaporating type condensing according to claim 1 is characterized in that, described to carry direct evaporation-refrigeration device be heat-pump-type.
8. the new blower fan groups of the two temperature of evaporating type condensing according to claim 1 is characterized in that, described to carry direct evaporation-refrigeration device be single-cooling type.
9. the new blower fan group of the two temperature of evaporating type condensing according to claim 2 is characterized in that described sensible heat precooling condenser is finned heat exchanger or band-tube type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205373157U CN201827979U (en) | 2010-09-21 | 2010-09-21 | Evaporative condensing dual-temperature fresh air handling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205373157U CN201827979U (en) | 2010-09-21 | 2010-09-21 | Evaporative condensing dual-temperature fresh air handling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827979U true CN201827979U (en) | 2011-05-11 |
Family
ID=43966509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205373157U Expired - Fee Related CN201827979U (en) | 2010-09-21 | 2010-09-21 | Evaporative condensing dual-temperature fresh air handling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827979U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788401A (en) * | 2012-07-26 | 2012-11-21 | 林文浩 | Energy conservation method for constant temperature and humidity system |
| CN102901194A (en) * | 2012-10-24 | 2013-01-30 | 泰豪科技股份有限公司 | Condensation heat recovery device of air-cooled air conditioning unit |
| WO2013131436A1 (en) * | 2012-03-05 | 2013-09-12 | Rong Guohua | Air-conditioning unit with heat recovery |
| CN103398457A (en) * | 2013-08-21 | 2013-11-20 | 广州同方瑞风空调有限公司 | Refrigeration system, and condensation heat and electrodeless heat recovery device thereof |
| CN103453598A (en) * | 2013-09-18 | 2013-12-18 | 河南科技大学 | Indoor temperature and humidity regulating device |
| CN103512093A (en) * | 2013-10-11 | 2014-01-15 | 无锡同方人工环境有限公司 | Air-conditioning unit with independent dehumidification function for ultralow-energy-consumption house |
| WO2015035678A1 (en) * | 2013-09-11 | 2015-03-19 | 惠州市合之宝环境设备有限公司 | Hybrid refrigeration full fresh air-conditioning unit |
| CN106765685A (en) * | 2017-01-23 | 2017-05-31 | 东南大学 | A kind of heat pump driven indirect evaporating-cooling return air full heat recovery fresh air processing unit |
| CN109000312A (en) * | 2018-06-08 | 2018-12-14 | 同济大学 | Monoblock type heat pump heat reclamation type fresh air dehumidifier with interior circulation pattern |
| CN111089374A (en) * | 2019-12-19 | 2020-05-01 | 广东恒净建设工程有限公司 | Energy-saving and environment-friendly industrial air conditioner |
| CN112665033A (en) * | 2020-12-07 | 2021-04-16 | 珠海格力电器股份有限公司 | Double-cold-source dehumidifying unit |
| CN114353181A (en) * | 2021-12-31 | 2022-04-15 | 北京金茂人居环境科技有限公司 | Air conditioning unit with heat recovery function and mode control method and equipment thereof |
-
2010
- 2010-09-21 CN CN2010205373157U patent/CN201827979U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131436A1 (en) * | 2012-03-05 | 2013-09-12 | Rong Guohua | Air-conditioning unit with heat recovery |
| CN102788401B (en) * | 2012-07-26 | 2014-07-23 | 林文浩 | Energy conservation method for constant temperature and humidity system |
| CN102788401A (en) * | 2012-07-26 | 2012-11-21 | 林文浩 | Energy conservation method for constant temperature and humidity system |
| CN102901194A (en) * | 2012-10-24 | 2013-01-30 | 泰豪科技股份有限公司 | Condensation heat recovery device of air-cooled air conditioning unit |
| CN103398457A (en) * | 2013-08-21 | 2013-11-20 | 广州同方瑞风空调有限公司 | Refrigeration system, and condensation heat and electrodeless heat recovery device thereof |
| WO2015035678A1 (en) * | 2013-09-11 | 2015-03-19 | 惠州市合之宝环境设备有限公司 | Hybrid refrigeration full fresh air-conditioning unit |
| CN103453598A (en) * | 2013-09-18 | 2013-12-18 | 河南科技大学 | Indoor temperature and humidity regulating device |
| CN103512093A (en) * | 2013-10-11 | 2014-01-15 | 无锡同方人工环境有限公司 | Air-conditioning unit with independent dehumidification function for ultralow-energy-consumption house |
| CN103512093B (en) * | 2013-10-11 | 2015-10-28 | 无锡同方人工环境有限公司 | With the super low energy consumption house air conditioning unit of independent humidity control function |
| CN106765685A (en) * | 2017-01-23 | 2017-05-31 | 东南大学 | A kind of heat pump driven indirect evaporating-cooling return air full heat recovery fresh air processing unit |
| CN109000312A (en) * | 2018-06-08 | 2018-12-14 | 同济大学 | Monoblock type heat pump heat reclamation type fresh air dehumidifier with interior circulation pattern |
| CN111089374A (en) * | 2019-12-19 | 2020-05-01 | 广东恒净建设工程有限公司 | Energy-saving and environment-friendly industrial air conditioner |
| CN112665033A (en) * | 2020-12-07 | 2021-04-16 | 珠海格力电器股份有限公司 | Double-cold-source dehumidifying unit |
| CN112665033B (en) * | 2020-12-07 | 2022-02-01 | 珠海格力电器股份有限公司 | Double-cold-source dehumidifying unit |
| CN114353181A (en) * | 2021-12-31 | 2022-04-15 | 北京金茂人居环境科技有限公司 | Air conditioning unit with heat recovery function and mode control method and equipment thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201827979U (en) | Evaporative condensing dual-temperature fresh air handling unit | |
| CN201396866Y (en) | Dual-temperature cold-source novel fan unit with heat recycling function | |
| CN106091187B (en) | A kind of absorption coupling air-conditioning device of low-temperature heat source and regulation method | |
| CN101846367B (en) | Internally-cooled solution dehumidifying fresh air handling unit driven by heat pump | |
| CN102022794B (en) | Radiation suspended ceiling cooling system capable of independently processing heat and humidity | |
| CN102269466A (en) | Fresh air handling unit | |
| CN204063414U (en) | A kind of heat pump drives pre-cold mould solution humidifying Fresh air handling units | |
| CN100538208C (en) | A kind of double-temperature refrigerator water/cold wind unit | |
| CN202149545U (en) | Fresh air fan set with heat recovery and humidification functions | |
| CN203116204U (en) | Reverse-flow solution humidifying fresh air handling unit driven by heat pump | |
| CN203642369U (en) | Multifunctional air conditioning dehumidification unit with condensation heat recycling function | |
| CN104456798A (en) | Heat pump driving solution moisture regulating and domestic hot water preparing system realizing energy balance | |
| CN102628626B (en) | Air conditioning dehumidification evaporative type condensation three-work-condition cold and hot water unit | |
| CN202392928U (en) | Temperature-humidity independent control air-conditioning system with GSHP (ground source heat pump) unit | |
| CN101122406B (en) | Small central air conditioner set for separate processing for heat and humidity | |
| CN210070102U (en) | Ground pipe laying water source dehumidification humidification fresh air unit | |
| CN106766355B (en) | A kind of humiture independence control air conditioner system | |
| CN102563770A (en) | Fresh air handling unit with integrated functions of dehumidification and evaporative cooling and air treatment method of fresh air handling unit | |
| CN202149571U (en) | Fresh air handling unit | |
| CN204513624U (en) | A kind of heat pump driven dehumidification solution temperature controls and domestic hot-water's device for making | |
| CN202562130U (en) | Air conditioner dehumidification evaporative condensation three-working-condition cold-and-hot water unit | |
| CN204513626U (en) | A kind of thermostatic type solution dehumidification regeneration cycle system | |
| CN103398430A (en) | Heat-pump-type fresh air handing unit for waste heat recovery | |
| CN207729787U (en) | A kind of air-conditioning system of achievable temperature and humidity independent control | |
| CN203687445U (en) | Energy tower type absorption cold hot water unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20190921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |