CN105423457B - Air-conditioning system - Google Patents

Air-conditioning system Download PDF

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Publication number
CN105423457B
CN105423457B CN201510968498.5A CN201510968498A CN105423457B CN 105423457 B CN105423457 B CN 105423457B CN 201510968498 A CN201510968498 A CN 201510968498A CN 105423457 B CN105423457 B CN 105423457B
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CN
China
Prior art keywords
air
conditioning
passage
hot
dehumidification
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Active
Application number
CN201510968498.5A
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Chinese (zh)
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CN105423457A (en
Inventor
黄昌成
林海佳
牛永健
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Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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Priority to CN201510968498.5A priority Critical patent/CN105423457B/en
Publication of CN105423457A publication Critical patent/CN105423457A/en
Application granted granted Critical
Publication of CN105423457B publication Critical patent/CN105423457B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • F24F3/147Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • F24F2003/1458Air-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 using regenerators
    • F24F2003/1464Air-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 using regenerators using rotating regenerators

Abstract

The present invention provides a kind of air-conditioning system.Air-conditioning system has air passage, and air passage includes the air intake passage and air exhaust passage being connected with interior, and air-conditioning system further includes:Dehumidification system, the Part I of dehumidification system are located in the air intake of air intake passage, and the Part II of dehumidification system is located in the outlet air end of air exhaust passage;Hot-pipe system is arranged between the Part I in air intake passage and positioned at dehumidification system and the outlet air end of air intake passage, and hot-pipe system includes First Heat Exchanger and the second heat exchanger;Heat pump system includes primary cooler, evaporator and compressor, primary cooler is arranged between the air intake in air exhaust passage and positioned at air exhaust passage and the Part II of dehumidification system, the port of export of evaporator is connected with the arrival end of compressor, the port of export of compressor is connected with the arrival end of primary cooler, and the port of export of primary cooler is connected with evaporator inlet end.The air-conditioning system of the present invention simplifies system unit, easy to control, improves the stability of system operation.

Description

Air-conditioning system
Technical field
The present invention relates to the apparatus of air conditioning, in particular to a kind of air-conditioning system.
Background technology
At present, the most important method of air dewetting has two kinds, and cooling and dehumidifying and solid absorption dehumidifying, solid absorption dehumidifying are Using rotary dehumidifier, it is influenced from dew point, and moisture removal is big, especially suitable for being applied under the conditions of low temperature and low humidity.But due to It is big to regenerate heat consumption, makes this kind of dehumidifier energy consumption higher.It is existing to use CO2The combined type that refrigeration system is combined with rotary wheel dehumidifying Air-conditioning system, system complex increases the difficulty of system control, it is necessary to multiple accessories, while can not produce domestic hot-water.
The content of the invention
It is a primary object of the present invention to provide a kind of easily controllable air-conditioning system simple in structure.
To achieve these goals, the present invention provides a kind of air-conditioning system, air-conditioning system has air passage, and air passage includes equal The air intake passage and air exhaust passage being connected with interior, air-conditioning system further include:Dehumidification system, is arranged in air passage, and removes The Part I of wet system is located in the air intake of air intake passage, and the Part II of dehumidification system is located at the outlet air end of air exhaust passage It is interior;Hot-pipe system, is arranged in air intake passage, and between the Part I and the outlet air end of air intake passage positioned at dehumidification system, Hot-pipe system includes being interconnected and being set in turn in the between the Part I of dehumidification system and the outlet air end of air intake passage One heat exchanger and the second heat exchanger;Heat pump system, including primary cooler, evaporator and compressor, primary cooler are arranged at air draft Air intake in passage and positioned at air exhaust passage and between the Part II of dehumidification system, the port of export of evaporator and compressor Arrival end is connected, and the port of export of compressor is connected with the arrival end of primary cooler, the port of export and evaporator of primary cooler Arrival end is connected.
Further, evaporator is arranged in air intake passage and between First Heat Exchanger and the second heat exchanger.
Further, dehumidification system includes a desiccant wheel machine, and the Part I of a desiccant wheel machine is arranged at wind In road and in the air intake of air intake passage, the Part II of a desiccant wheel machine is arranged at the outlet air end of air exhaust passage It is interior.
Further, First Heat Exchanger is heat pipe evaporator.
Further, the second heat exchanger is heat pipe condenser.
Further, heat pump system further includes hot-water apparatus, and hot-water apparatus is arranged at the arrival end of connection evaporator On pipeline between the port of export of primary cooler, hot-water apparatus includes:Hot water generator;Auxiliary cooler, sends out with hot water Raw device is arranged in parallel;Wherein, when hot water generator is opened, auxiliary cooler is closed;When auxiliary cooler is opened, hot water hair Raw device is closed.
Further, hot-water apparatus further includes the first control valve that control hot water generator is turned on and off.
Further, hot-water apparatus further includes the second control valve that control auxiliary cooler is turned on and off.
Further, heat pump system further includes third control valve, and third control valve is arranged at connection hot-water apparatus and steaming On the pipeline for sending out the arrival end of device.
Further, the working medium in heat pump system is CO2
Apply the technical scheme of the present invention, be additionally arranged hot-pipe system in air-conditioning system, hot-pipe system include being connected the One heat exchanger and the second heat exchanger, dehumidification system, First Heat Exchanger and the second heat exchanger may be contained within air intake passage and successively It is arranged between the air intake of air intake passage and the outlet air end of air intake passage.The primary cooler of heat pump system in air-conditioning system is set It is placed in air exhaust passage, primary cooler is located between the air intake and dehumidification system of air exhaust passage.Fresh air from outdoor, first Flow through dehumidification system to dry heating, then cool down through First Heat Exchanger, then interior is sent to through the heating of the second heat exchanger.Arrange to outdoor Air heats up through primary cooler first, then row arrives outdoor after dehumidification system dries to dehumidification system.The air-conditioning system of the present invention System simplifies system unit, simple in structure and easy to control, improves the stability of system operation.
Brief description of the drawings
The accompanying drawings which form a part of this application are used for providing a further understanding of the present invention, and of the invention shows Meaning property embodiment and its explanation are used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the overall structure diagram of air-conditioning system according to the present invention.
Wherein, above-mentioned attached drawing is marked including the following drawings:
10th, air intake passage;20th, air exhaust passage;30th, dehumidification system;40th, hot-pipe system;41st, First Heat Exchanger;42nd, second Heat exchanger;50th, heat pump system;51st, primary cooler;52nd, evaporator;53rd, compressor;60th, hot-water apparatus;61st, hot water occurs Device;62nd, auxiliary cooler;63rd, the first control valve;64th, the second control valve;65th, third control valve.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
As shown in Figure 1, the present invention provides a kind of air-conditioning system.
Air-conditioning system has air passage, and air passage includes the air intake passage 10 and air exhaust passage 20 being connected with interior.Inlet air One end that the air intake of passage 10 enters for outdoor damp and hot fresh air, after damp and hot fresh air becomes low humidity fresh air in air intake passage 10 Got in by the outlet air end of air intake passage 10.Interior needs to arrange air to outdoor, and room air is through air exhaust passage 20 Air intake enters in air exhaust passage 20, is discharged after heating from the outlet air end of air exhaust passage 20.The air intake of air intake passage 10 It is located at air passage homonymy with the outlet air end of air exhaust passage 20, the outlet air end of air intake passage 10 is located at wind with the air intake of air exhaust passage 20 Road homonymy.
Specifically, air-conditioning system further includes dehumidification system 30, hot-pipe system 40 and heat pump system 50.Wherein, dehumidification system 30 are arranged in air passage, and the Part I of dehumidification system 30 is located in the air intake of air intake passage 10, dehumidification system 30 Part II is located in the outlet air end of air exhaust passage 20.Hot-pipe system 40 is arranged in air intake passage 10, and is located at dehumidification system Between 30 Part I and the outlet air end of air intake passage 10.Hot-pipe system 40 includes interconnected First Heat Exchanger 41 and the Two heat exchangers 42,41 and second heat exchanger 42 of First Heat Exchanger are set in turn in the Part I and air intake passage of dehumidification system 30 Between 10 outlet air end.Heat pump system 50 includes primary cooler 51, evaporator 52 and compressor 53,51 row of being arranged at of primary cooler In wind passage 20 and it is located between the air intake of air exhaust passage 20 and the Part II of dehumidification system 30, the port of export of evaporator 52 It is connected with the arrival end of compressor 53, the port of export of compressor 53 is connected with the arrival end of primary cooler 51, primary cooler 51 port of export is connected with 52 arrival end of evaporator.
From outdoor fresh air, first flow through dehumidification system 30 and dry heating, then cool down through First Heat Exchanger 41, then through the The heating of two heat exchangers 42 is sent to interior.Arrange and heat up first through primary cooler 51 to outdoor air, then given by dehumidification system 30 Row arrives outdoor after dehumidification system 30 dries.The air-conditioning system of the present invention simplifies system unit, simple in structure and easy to control, carries The high stability of system operation.Moreover, using hot-pipe system 40, the heat of low-humidity air is recycled, improves whole system Energy efficiency.
As illustrated in fig. 1, it is preferred that evaporator 52 is arranged in air intake passage 10, evaporator 52 is located at First Heat Exchanger 41 And second between heat exchanger 42.From outdoor fresh air, first flow through dehumidification system 30 and dry heating, through at the beginning of First Heat Exchanger 41 Step cooling, is then further dried cooling through evaporator 52, then is heated up through the second heat exchanger 42 and be sent to interior.Arrange to outdoor Air heat up first through primary cooler 51, then after dehumidification system 30 dries row to dehumidification system 30 to outdoor..
In detail, dehumidification system 30 includes a desiccant wheel machine.The Part I of this desiccant wheel machine is arranged at wind In road and in the air intake of air intake passage 10, the Part II of this desiccant wheel machine is arranged at the outlet air of air exhaust passage 20 In end.As shown in Figure 1, a part for desiccant wheel machine is located in the air intake of air intake passage 10, the remainder of desiccant wheel machine Divide in the outlet air end of air exhaust passage 20.
First Heat Exchanger 41 is heat pipe evaporator, and the second heat exchanger 42 is heat pipe condenser, i.e., hot-pipe system 40 includes heat Pipe evaporator and heat pipe condenser.Heat pipe evaporator can reduce new air temperature, and heat pipe condenser can improve new air temperature.From room Outer fresh air, first flows through dehumidification system 30 and dries heating, tentatively cool down through heat pipe evaporator, then through evaporator 52 into traveling One step is dried cooling, then is sent to interior through heat pipe condenser heating.Arrange and heat up first through primary cooler 51 to outdoor air, then Row arrives outdoor after dehumidification system 30 dries to dehumidification system 30.
As shown in Figure 1, heat pump system 50 further includes hot-water apparatus 60, hot-water apparatus 60 is arranged at connection evaporator 52 Arrival end and primary cooler 51 the port of export between pipeline on.Hot-water apparatus 60 in the present embodiment includes hot water Device 61 and auxiliary cooler 62.Wherein, auxiliary cooler 62 is arranged in parallel with hot water generator 61.When hot water generator 61 is opened When, auxiliary cooler 62 is closed.When auxiliary cooler 62 is opened, hot water generator 61 is closed.Air-conditioning system in the present invention Domestic hot-water is made using the waste heat of refrigeration system, improves the cycle efficieny of refrigeration system, dehumidifying while produces life heat Water.
Preferably, hot-water apparatus 60 further includes the first control valve 63, the second control valve 64, and heat pump system 50 includes the 3rd Control valve 65.Wherein, the first control valve 63 control hot water generator 61 is turned on and off, the second control valve 64 control supplement heat rejecter Device 62 is turned on and off, and third control valve 65 is arranged on the pipeline of the arrival end of connection hot-water apparatus 60 and evaporator 52. Wherein, the first control valve 63, the second control valve 64 can select solenoid valve, and third control valve 65 can select throttle valve.
Preferably, the working medium in heat pump system 50 is CO2, air-conditioning system of the invention especially CO2 heat pumps and heat pipe knot The rotary wheel dehumidifying formula air-conditioning system of conjunction.The mode that CO2 refrigeration systems are combined with rotary wheel dehumidifying is employed, improves kind of refrigeration cycle Efficiency, reduce the energy consumption of rotary dehumidifier, and the feature of environmental protection is good.
In the air-conditioning system of the present invention, when heat pump system 50 is run, the supercritical CO 2 gas that compressor 53 comes out is first Heat is released in primary cooler 51, then flows through the first control valve 63 or the second control valve 64.When needing to produce domestic hot-water When, the first control valve 63 is opened, and the second control valve 64 is closed, and CO2 gases flow through hot water generator 61.When domestic hot-water's temperature reaches During to design temperature, the first control valve 63 is closed, and the second control valve 64 is opened, and CO2 gases flow through auxiliary cooler 62 and make into one The cooling of step.By CO2 gases after cooling after the throttling of third control valve 65, pressure is flowed back to after absorbing heat into evaporator 52 Contracting machine 53.
Air-conditioning system in the present invention is fresh air dehumidifying system, and whole fresh air dehumidifying system can realize two functions, one It is that CO2 heat pumps are combined into air-conditioning system with rotary wheel dehumidifying, allows fresh air dehumidification to heat up again after cooling down and be sent to interior, realize fresh air dehumidification Cooling function.Wherein, using hot-pipe system 40, the middle warm air after the dehumidifying of desiccant wheel machine is dropped in heat pipe evaporator Temperature, heats up the air by evaporator 52 in heat pipe condenser, so as to improve the efficiency of whole system.Second, utilize more than part Heat, produces domestic hot-water.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect:
From outdoor fresh air, first flow through dehumidification system 30 and dry heating, then cool down through First Heat Exchanger 41, then through the The heating of two heat exchangers 42 is sent to interior.Arrange and heat up first through primary cooler 51 to outdoor air, then given by dehumidification system 30 Row arrives outdoor after dehumidification system 30 dries.The air-conditioning system of the present invention simplifies system unit, simple in structure and easy to control, carries The high stability of system operation.Moreover, using hot-pipe system, the heat of low-humidity air is recycled, improves the energy of whole system Source efficiency.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of air-conditioning system, it is characterised in that the air-conditioning system has air passage, and the air passage includes with interior being connected Air intake passage (10) and air exhaust passage (20), the air-conditioning system further include:
Dehumidification system (30), is arranged in the air passage, and the Part I of the dehumidification system (30) is located at the inlet air In the air intake of passage (10), the Part II of the dehumidification system (30) is located in the outlet air end of the air exhaust passage (20);
Hot-pipe system (40), is arranged in the air intake passage (10), and positioned at the dehumidification system (30) Part I and Between the outlet air end of the air intake passage (10), the hot-pipe system (40) includes being interconnected and being set in turn in the dehumidifying First Heat Exchanger (41) and the second heat exchanger between the Part I of system (30) and the outlet air end of the air intake passage (10) (42);
Heat pump system (50), including primary cooler (51), evaporator (52) and compressor (53), the primary cooler (51) are set Second of air intake and the dehumidification system (30) in the air exhaust passage (20) and positioned at the air exhaust passage (20) /, the port of export of the evaporator (52) is connected with the arrival end of the compressor (53), the compressor (53) The port of export is connected with the arrival end of the primary cooler (51), the port of export and the evaporator of the primary cooler (51) (52) arrival end is connected, and the heat pump system (50) further includes hot-water apparatus (60), and the hot-water apparatus (60) is set On pipeline between the arrival end and the port of export of the primary cooler (51) for connecting the evaporator (52), the water heating Device (60) includes:
Hot water generator (61);
Auxiliary cooler (62), is arranged in parallel with the hot water generator (61);
Wherein, when hot water generator (61) is opened, the auxiliary cooler (62) is closed;When the auxiliary cooler (62) is opened Qi Shi, the hot water generator (61) are closed.
2. air-conditioning system according to claim 1, it is characterised in that the evaporator (52) is arranged at the air intake passage (10) in and between the First Heat Exchanger (41) and second heat exchanger (42).
3. air-conditioning system according to claim 1, it is characterised in that the dehumidification system (30) includes a desiccant wheel Machine, the Part I of a desiccant wheel machine are arranged in the air passage and positioned at the air intake of the air intake passage (10) Interior, the Part II of a desiccant wheel machine is arranged in the outlet air end of the air exhaust passage (20).
4. air-conditioning system according to claim 1, it is characterised in that the First Heat Exchanger (41) is heat pipe evaporator.
5. air-conditioning system according to claim 1, it is characterised in that second heat exchanger (42) is heat pipe condenser.
6. air-conditioning system according to claim 1, it is characterised in that the hot-water apparatus (60) is further included described in control The first control valve (63) that hot water generator (61) is turned on and off.
7. air-conditioning system according to claim 1, it is characterised in that the hot-water apparatus (60) is further included described in control The second control valve (64) that auxiliary cooler (62) is turned on and off.
8. air-conditioning system according to claim 1, it is characterised in that the heat pump system (50) further includes third control valve (65), the third control valve (65) is arranged at the arrival end of the connection hot-water apparatus (60) and the evaporator (52) On pipeline.
9. air-conditioning system according to claim 1, it is characterised in that the working medium in the heat pump system (50) is CO2
CN201510968498.5A 2015-12-18 2015-12-18 Air-conditioning system Active CN105423457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510968498.5A CN105423457B (en) 2015-12-18 2015-12-18 Air-conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510968498.5A CN105423457B (en) 2015-12-18 2015-12-18 Air-conditioning system

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CN105423457B true CN105423457B (en) 2018-04-13

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105698363A (en) * 2016-03-29 2016-06-22 上海帝广机电工程技术有限公司 Efficient dehumidification and cold-supply air-conditioning device based on CO2 heat pump
CN107014198B (en) * 2016-12-29 2019-08-09 石曾矿 The quadruple effect removal moisture drying system of temperature controllable
CN107356016B (en) * 2017-06-12 2020-06-26 同济大学 Heat exchange unit with switchable evaporator and loop heat pipe
CN110173776B (en) * 2019-05-16 2021-06-01 东南大学 Pre-cooling type runner humidifying fresh air treatment device

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Publication number Priority date Publication date Assignee Title
CN1587863A (en) * 2004-09-29 2005-03-02 上海交通大学 Over critical CO2 refrigeration and rotary wheel dehumidifying combined air conditioning system
CN201503090U (en) * 2009-10-10 2010-06-09 薛怒涛 Heat recovering energy-saving dehumidifying system for air hot pipe
CN102261703A (en) * 2011-07-25 2011-11-30 上海交通大学 Runner dehumidification air-conditioning system adopting heat pipes for heat recovery and adopting ultrasound for enhancing regeneration
CN202254136U (en) * 2011-08-25 2012-05-30 马军 Air conditioner device operated by coupling of compression refrigeration and wheel dehumidification
WO2014022212A1 (en) * 2012-08-02 2014-02-06 DeHumidification Manufacturing LP Rf regeneration of hydro-absorptive material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1587863A (en) * 2004-09-29 2005-03-02 上海交通大学 Over critical CO2 refrigeration and rotary wheel dehumidifying combined air conditioning system
CN201503090U (en) * 2009-10-10 2010-06-09 薛怒涛 Heat recovering energy-saving dehumidifying system for air hot pipe
CN102261703A (en) * 2011-07-25 2011-11-30 上海交通大学 Runner dehumidification air-conditioning system adopting heat pipes for heat recovery and adopting ultrasound for enhancing regeneration
CN202254136U (en) * 2011-08-25 2012-05-30 马军 Air conditioner device operated by coupling of compression refrigeration and wheel dehumidification
WO2014022212A1 (en) * 2012-08-02 2014-02-06 DeHumidification Manufacturing LP Rf regeneration of hydro-absorptive material

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