CN105371397A - Evaporative cooling total heat recovery independent integrated dehumidification fresh air handling unit with embedded cold source - Google Patents
Evaporative cooling total heat recovery independent integrated dehumidification fresh air handling unit with embedded cold source Download PDFInfo
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- CN105371397A CN105371397A CN201510831331.4A CN201510831331A CN105371397A CN 105371397 A CN105371397 A CN 105371397A CN 201510831331 A CN201510831331 A CN 201510831331A CN 105371397 A CN105371397 A CN 105371397A
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- heat
- heat recovery
- fresh air
- water pump
- water
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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
- F24F3/14—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 humidification; by dehumidification
- F24F3/147—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 humidification; by dehumidification with both heat and humidity transfer between supplied and exhausted air
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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
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an evaporative cooling total heat recovery independent integrated dehumidification fresh air handling unit with an embedded cold source. The evaporative cooling total heat recovery independent integrated dehumidification fresh air handling unit mainly comprises a sensible heat recovery device, a total heat recovery device and an air handling device. The sensible heat recovery device comprises a return air water heat exchanger, a first fresh air water heat exchanger, a water pump and a pipeline, wherein the water pump and the pipeline are matched with the first fresh air water heat exchanger. The total heat recovery device comprises a packing spraying module, a second fresh air water heat exchanger, a water pump and a pipeline, wherein the water pump and the pipeline are matched with the second fresh air water heat exchanger. The air handling device comprises a compressor, an expansion valve, a condenser, a surface air cooler and a cooling unit. The cooling unit comprises a cooling packing spraying module, a water pump and a pipeline matched with the water pump. The evaporative cooling total heat recovery independent integrated dehumidification fresh air handling unit is most characterized in that an external cold source is of no need; independent operation is achieved; the energy in return air is fully utilized; fresh air humidity loads are independently handled, so that the burden of a central refrigerating system is lowered; accordingly, independent, convenient and efficient operation of the unit is achieved.
Description
Technical field
The present invention relates to a kind of independent humidity control one Fresh air handling units of embedded low-temperature receiver, especially relate to a kind of embedded low-temperature receiver and rely on evaporative cooling to carry out total heat recovery and the integral type Fresh air handling units without the need to reheating of independent operating, belonging to dehumidification air conditioner field.
Background technology
For the building that need arrange air-conditioning system, require that air-conditioning system needs to supplement new wind to indoor, to meet room air hygienic requirements according to industry standard specification.But send new wind to need to carry out necessary process, comprise the temperature of new wind, humidity and cleanliness factor etc.
After entering 21st century, along with the develop rapidly of China's economy, the continuous quickening of urbanization process, the proportion of building energy consumption in national economy total energy consumption also improves constantly.Can building energy conservation have become the important process that realize social sustainable development, because air conditioning energy consumption has accounted for 30% ~ 50% of building total energy consumption, therefore how to improve the efficiency of air-conditioning system, reduce the key link that the energy consumption of air-conditioning system has become building energy conservation.But for air-conditioning system, the energy consumption duty processed shared by new wind adjusts 20% ~ 30% of total energy consumption, so be optimized particularly important for fresh air disposal.
Current Fresh air handling units mainly utilizes low-temperature cold water to carry out freeze drying to new wind, and this mode needs external cold water, and air-conditioning system cost is higher.Meanwhile, due to profit process in this way after new air temperature too low, need to consume high-grade energy again and carry out reheating, cause a large amount of energy dissipations.Another, current recuperation of heat mode adopts finned or thermal wheel mostly, and the just Exposure degree done.Also has at present the Fresh air handling units of some other independent humidity control, as solution humidifying air-conditioning, two low-temperature receiver air-conditionings etc., but not yet there is a kind of Fresh air handling units utilizing dehumidification by condensation mode independent operating to dehumidify, especially promote the Fresh air handling units of wind pushing temperature in conjunction with vaporation-type total heat recovery and Exposure degree.
Summary of the invention
For solving the deficiency of current conventional air conditioning system, the present invention mainly for above situation, propose a kind of carry refrigeration system, have high efficiency full heat reclaim function and do not need to air-supply reheating independent humidity control integral type Fresh air handling units.The present invention is dispelled the heat owing to adopting the best transpiration-cooled of the higher vaporation-type total heat recovery of heat recovery efficiency, radiating efficiency and carries out Exposure degree to new air-supply, return air, avoid the reheating of blowing, thus possess the advantage than traditional Fresh air handling units efficiency high more than 30%.
The object of the present invention is to provide a kind of embedded low-temperature receiver and evaporative cooling total heat recovery without the need to reheating independent humidity control one Fresh air handling units.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
A kind of embedded low-temperature receiver and the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, described unit is mainly containing heat recovering device, air processor and full heat recovery device, described air processor is connected with full heat recovery device, described heat recovering device comprises return air water-to-water heat exchanger, the first new geomantic omen heat exchanger and water pump, and return air water-to-water heat exchanger is connected by water pump and pipeline with the first new geomantic omen heat exchanger, it is cold that described air processor comprises table, compressor, expansion valve, condenser and heat-sink unit, described surface cooler is connected with compressor and expansion valve respectively, compressor is connected with condenser respectively with expansion valve, condenser is connected with heat-sink unit, described heat-sink unit comprises heat radiation spraying filler module and water pump, described full heat recovery device comprises spraying filler module, second new geomantic omen heat exchanger and water pump, spraying filler module is connected with pipeline by water pump with the second new geomantic omen heat exchanger, described full heat recovery device carries new wind to air processor and heat recovering device, described heat recovering device is to air processor and full heat recovery device conveying return air.
Further, described heat radiation spraying filler module is connected with condenser with pipeline by water pump.
Further, described heat recovering device, full heat recovery device or heat-sink unit can arrange one or more groups.
Further, the way of recycling of described full heat recovery device is vaporation-type total heat recovery.
Further again, the radiating mode of described heat-sink unit is transpiration-cooled heat radiation.
Embedded low-temperature receiver of the present invention and the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, achieve the efficient independent operating of traditional freezing dehumidification fresh air group, abandon the dependence of traditional Fresh air handling units to external cold water, reduce construction complexity and the construction cost of air-conditioning system.Built-in refrigeration system (i.e. air processor) of the present invention provides cold for freeze drying, and promotes wind pushing temperature by heat recovering device, makes it reach best wind pushing temperature.Meanwhile, due to Exposure degree, reduce return air temperature, make return air state more be conducive to the transpiration-cooled total heat recovery of full heat recovery device, thus make full use of air return energy, reduce refrigeration system burden.The heat radiation of refrigeration system adopts transpiration-cooled, effectively reduces condensation temperature, improves the efficiency of refrigeration system.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to describe in detail below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
A kind of embedded low-temperature receiver and the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, as shown in Figure 1, described unit is mainly containing heat recovering device 1, air processor 2 and full heat recovery device 3, described air processor is connected with full heat recovery device, described heat recovering device comprises return air water-to-water heat exchanger 11, first new geomantic omen heat exchanger 12 and water pump 8, and return air water-to-water heat exchanger is connected by water pump and pipeline with the first new geomantic omen heat exchanger; Described air processor comprises surface cooler 10, compressor 5, expansion valve 6, condenser 7 and heat-sink unit, described surface cooler is connected with compressor and expansion valve respectively, compressor is connected with condenser respectively with expansion valve, condenser is connected with heat-sink unit, described heat-sink unit comprises heat radiation spraying filler module 4 and water pump 8, and described heat radiation spraying filler module is connected with condenser with pipeline by water pump.Described full heat recovery device comprises spraying filler module 31, second new geomantic omen heat exchanger 32 and water pump 8, spraying filler module is connected with pipeline by water pump with the second new geomantic omen heat exchanger, described full heat recovery device 3 carries new wind to air processor and heat recovering device 1, and described heat recovering device 1 carries return air to air processor and full heat recovery device 3.
Described heat recovering device 1, full heat recovery device 3 or heat-sink unit according to circumstances can arrange one or more groups.
The way of recycling of full heat recovery device of the present invention is vaporation-type total heat recovery, and the radiating mode of heat-sink unit is transpiration-cooled heat radiation.
In one embodiment, as shown in Figure 1, embedded low-temperature receiver and the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, mainly comprise heat recovering device 1, full heat recovery device 3 and air processor 2; Described heat recovering device comprises return air water-to-water heat exchanger 11, first new geomantic omen heat exchanger 12 and the water pump 8 supporting with it and pipeline; Described full heat recovery device comprises spraying filler module 31, second new geomantic omen heat exchanger 32 and the water pump 8 supporting with it and pipeline; Described air processor comprises compressor 5, expansion valve 6, condenser 7, surface cooler 10 and heat-sink unit; Described heat-sink unit comprises heat radiation spraying filler module 4, water pump 8 and the pipeline supporting with it.
Described unit has independently refrigeration system, and has efficient heat reclamation device, and it possesses feature that is energy-efficient, independent operating.
In the present invention, the operation principle of heat recovering device 1 is exactly the sensible heat heat exchange realizing between the new wind of low temperature after freeze drying and return air by the water circulation in heat recovering device, thus new wind is blown reach suitable wind pushing temperature without extra reheating and reduce return air temperature; Be elevated by the new wind of the low temperature after freeze drying temperature after recuperation of heat, thus after avoiding traditional freeze drying, new wind needs the drawback consuming high-grade energy reheating; Due to lower by the wet-bulb temperature of cooling return air, so advantageously in evaporative cooling, make the temperature of the recirculated water after evaporative cooling lower, thus be conducive to lowering the temperature to new wind, namely reclaim the energy in return air to a greater extent; This recuperation of heat mode avoids new wind and contacts with the direct of return air, avoids the cross pollution of new wind and return air; This device according to circumstances can arrange one or more groups.
The operation principle of full heat recovery device is the full heat made full use of by the mode of indirect evaporating-cooling in low temperature return air, thus reduces the work load of Crew Cooling System; This recuperation of heat mode avoids new wind and contacts with the direct of return air, avoids the cross pollution of new wind and return air; This device according to circumstances can arrange one or more groups.
Air processor and built-in refrigeration system are the important core parts of unit, and it relies on the refrigeration system of efficient stable to achieve new wind independent operating; Described air processor is made up of compressor 5, expansion valve 6, condenser 7, surface cooler 10 and heat-sink unit, by the flow of refrigerant of the later HTHP of compressor to condenser, expansion valve is entered after being dispelled the heat by condenser, then surface cooler is flow to, the cold-producing medium of low-pressure low-temperature expands sweat cooling in surface cooler, cold-producing medium after heat absorption finally flows into compressor, circulates according to this.
Air processor heat-sink unit comprises heat radiation spraying filler module 4, water pump 8 and the circulation line supporting with it; Air draft, through heat radiation spraying filler module 4, obtains cold water by transpiration-cooled mode, removes cooler condenser 7; Because unit utilizes transpiration-cooled mode to dispel the heat to condenser 7, condensation temperature is significantly reduced, thus improve the efficiency of Crew Cooling System; This device according to circumstances can arrange one or more groups.
In the present embodiment, as shown in Figure 1, indoor return air carries out heat exchange by the new wind of return air water-to-water heat exchanger 11 and low temperature, becomes the return air of low temperature; Low temperature return air enters spraying filler module 31 and occurs directly to contact with recirculated water, and directly cold water is produced in evaporation; Return air enters heat radiation spraying filler module 4 subsequently, is taken away the heat radiation of condenser 7 by evaporative cooling, and the return air of final high temperature high humidity is discharged.
Outdoor new wind, by the second new geomantic omen heat exchanger 32, carries out heat exchange with through the transpiration-cooled cooling water of return air, tentatively lowers the temperature to new wind; Entered surface cooler 10 by the new wind of tentatively lowering the temperature, carry out deep temperature reduction dehumidifying with surface cooler heat exchange; New wind after deep temperature reduction dehumidifying subsequently enters new geomantic omen heat exchanger 12, and by recirculated water and return air heat exchange, not only reduce the temperature of return air but also improve the temperature of air-supply, the new wind at this temperature directly can deliver to indoor.
Produced the flowing of powered recirculated water by water pump 8, after circulating through return air water-to-water heat exchanger 11 and return air heat exchange, flow to the first new geomantic omen heat exchanger 12, then with new air heat-exchange, and then flow back to return air water-to-water heat exchanger 11, circulate according to this.
The tank 9 of spraying filler module is flow to the cold water after return air generation evaporative cooling, the water flowed out from tank is entered the second new geomantic omen heat exchanger 32 by water pump 8 and carries out heat exchange with new wind, again flow back to spraying filler module 31 with the recirculated water after the second new air heat-exchange, circulate according to this.
Cold-producing medium, by flowing into condenser 7 after compressor 5, carries out heat exchange with the water of circulation, and then cold-producing medium inflow expansion valve 6 carries out throttling, flows into surface cooler 10 subsequently and carries out evaporation endothermic, circulate according to this; Recirculated water flows into tank after direct evaporating-cooling in heat radiation spraying filler module 4, the water flowed out from tank flows into condenser 7 by water pump 8, carry out heat exchange with the cold-producing medium by condenser, the recirculated water after heat absorption flows back to heat radiation spraying filler module 4 again, circulates according to this.
The maximum feature of the present invention is without the need to external low-temperature receiver, and independent operating, takes full advantage of the energy in return air, alleviates the burden of refrigeration system, thus the independence realizing unit is convenient and run efficiently.
The present invention is only described with above-mentioned embodiment the most common; the conversion that every other forms of unit of obtaining under enlightenment of the present invention and general principle according to the present invention are carried out individual part or the unit that improvement obtains, all within its protection domain.
Claims (5)
1. an embedded low-temperature receiver and the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, it is characterized in that: described unit is mainly containing heat recovering device (1), air processor (2) and full heat recovery device (3), described air processor is connected with full heat recovery device, described heat recovering device comprises return air water-to-water heat exchanger (11), the first new geomantic omen heat exchanger (12) and water pump (8), and return air water-to-water heat exchanger is connected by water pump and pipeline with the first new geomantic omen heat exchanger, described air processor comprises surface cooler (10), compressor (5), expansion valve (6), condenser (7) and heat-sink unit, described surface cooler is connected with compressor and expansion valve respectively, compressor is connected with condenser respectively with expansion valve, condenser is connected with heat-sink unit, described heat-sink unit comprises heat radiation spraying filler module (4) and water pump (8), described full heat recovery device comprises spraying filler module (31), second new geomantic omen heat exchanger (32) and water pump (8), spraying filler module is connected with pipeline by water pump with the second new geomantic omen heat exchanger, described full heat recovery device (3) carries new wind to air processor and heat recovering device (1), described heat recovering device (1) is to air processor and full heat recovery device (3) conveying return air.
2. embedded low-temperature receiver according to claim 1 and the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, it is characterized in that: described heat radiation spraying filler module is connected with condenser with pipeline by water pump.
3. embedded low-temperature receiver according to claim 1 and 2 and the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, it is characterized in that: described heat recovering device (1), full heat recovery device (3) or heat-sink unit can arrange one or more groups.
4. embedded low-temperature receiver according to claim 3 and the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, it is characterized in that: the way of recycling of described full heat recovery device is vaporation-type total heat recovery.
5. embedded low-temperature receiver according to claim 3 the independent humidity control of evaporative cooling total heat recovery one Fresh air handling units, is characterized in that: the radiating mode of described heat-sink unit is transpiration-cooled heat radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831331.4A CN105371397A (en) | 2015-11-25 | 2015-11-25 | Evaporative cooling total heat recovery independent integrated dehumidification fresh air handling unit with embedded cold source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831331.4A CN105371397A (en) | 2015-11-25 | 2015-11-25 | Evaporative cooling total heat recovery independent integrated dehumidification fresh air handling unit with embedded cold source |
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| CN105371397A true CN105371397A (en) | 2016-03-02 |
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| CN201510831331.4A Pending CN105371397A (en) | 2015-11-25 | 2015-11-25 | Evaporative cooling total heat recovery independent integrated dehumidification fresh air handling unit with embedded cold source |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006855A (en) * | 2017-12-11 | 2018-05-08 | 广东申菱环境系统股份有限公司 | Data center module recovery efficient Cooling Air-conditioning System |
| CN110500648A (en) * | 2019-06-20 | 2019-11-26 | 常州工程职业技术学院 | Main body external air-conditioning |
| CN111031753A (en) * | 2019-12-12 | 2020-04-17 | 优刻得科技股份有限公司 | Fresh air unit and air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5179998A (en) * | 1992-01-24 | 1993-01-19 | Champs Nicholas H Des | Heat recovery ventilating dehumidifier |
| CN104456875A (en) * | 2014-11-18 | 2015-03-25 | 东南大学 | Fresh air treatment device for indirect evaporative cooling return air total heat recovery |
| CN104833014A (en) * | 2015-05-03 | 2015-08-12 | 江苏格瑞力德空调制冷设备有限公司 | Solution type all-air air conditioning unit provided with all cold and heat sources and capable of transferring refrigerant and heating medium |
| CN104930620A (en) * | 2015-07-15 | 2015-09-23 | 江苏格瑞力德空调制冷设备有限公司 | Double-cold-source fresh air unit utilizing solution for heat dissipation |
| CN205156198U (en) * | 2015-11-25 | 2016-04-13 | 北京格瑞力德空调科技有限公司 | Integrative fresh air unit that independently dehumidifies of full heat recovery of embedded cold source and evaporation cooling |
-
2015
- 2015-11-25 CN CN201510831331.4A patent/CN105371397A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5179998A (en) * | 1992-01-24 | 1993-01-19 | Champs Nicholas H Des | Heat recovery ventilating dehumidifier |
| CN104456875A (en) * | 2014-11-18 | 2015-03-25 | 东南大学 | Fresh air treatment device for indirect evaporative cooling return air total heat recovery |
| CN104833014A (en) * | 2015-05-03 | 2015-08-12 | 江苏格瑞力德空调制冷设备有限公司 | Solution type all-air air conditioning unit provided with all cold and heat sources and capable of transferring refrigerant and heating medium |
| CN104930620A (en) * | 2015-07-15 | 2015-09-23 | 江苏格瑞力德空调制冷设备有限公司 | Double-cold-source fresh air unit utilizing solution for heat dissipation |
| CN205156198U (en) * | 2015-11-25 | 2016-04-13 | 北京格瑞力德空调科技有限公司 | Integrative fresh air unit that independently dehumidifies of full heat recovery of embedded cold source and evaporation cooling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006855A (en) * | 2017-12-11 | 2018-05-08 | 广东申菱环境系统股份有限公司 | Data center module recovery efficient Cooling Air-conditioning System |
| CN110500648A (en) * | 2019-06-20 | 2019-11-26 | 常州工程职业技术学院 | Main body external air-conditioning |
| CN111031753A (en) * | 2019-12-12 | 2020-04-17 | 优刻得科技股份有限公司 | Fresh air unit and air conditioning system |
| CN111031753B (en) * | 2019-12-12 | 2021-12-17 | 优刻得科技股份有限公司 | Fresh air unit and air conditioning system |
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