US20100212345A1 - Dehumidifying Cooling Device for District Heating - Google Patents

Dehumidifying Cooling Device for District Heating Download PDF

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Publication number
US20100212345A1
US20100212345A1 US11/989,964 US98996407A US2010212345A1 US 20100212345 A1 US20100212345 A1 US 20100212345A1 US 98996407 A US98996407 A US 98996407A US 2010212345 A1 US2010212345 A1 US 2010212345A1
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United States
Prior art keywords
air
channel
outside air
circulated
circulated air
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Abandoned
Application number
US11/989,964
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English (en)
Inventor
Seok-Mann Yoon
Dae-Young Lee
Hoon Lee
Chang-Ku Kang
Sung-Ook Jeong
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Korea District Heating Corp
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Korea District Heating Corp
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Publication date
Application filed by Korea District Heating Corp filed Critical Korea District Heating Corp
Assigned to KOREA DISTRICT HEATING CORP. reassignment KOREA DISTRICT HEATING CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JEONG, SUNG-OOK, KANG, CHANG-KU, LEE, DAE-YOUNG, LEE, HOON, YOON, SEOK-MANN
Publication of US20100212345A1 publication Critical patent/US20100212345A1/en
Abandoned legal-status Critical Current

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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
    • F24F3/14—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
    • 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
    • F24F3/1411—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 by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F24F3/1423—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 by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1024—Rotary wheel combined with a humidifier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1032—Desiccant wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/104—Heat exchanger wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1056—Rotary wheel comprising a reheater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1072—Rotary wheel comprising two rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1084—Rotary wheel comprising two flow rotor segments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0042—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater characterised by the application of thermo-electric units or the Peltier effect
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]

Definitions

  • the present invention relates to a dehumidifying cooling device for district heating, and more particularly, to a dehumidifying cooling device for district heating which can perform an air cooling operation using hot water supplied by large-scale or small-scale district heating systems and gas-fired or oil-fired boilers installed in individual households.
  • the amount of energy consumed in domestic and business fields of Korea in 2003 was approximately 55 millions TOE, and was 25.2% of the total national energy consumption. This rate also corresponds to 41.9% on the basis of electricity use.
  • the energy consumption of domestic and business fields shows an average annual rate of increase of 5.3%, whereas the consumption of electricity shows an average annual rate of increase of 12%. Accordingly, it will be appreciated that the consumption of electricity particularly has experienced a rapid increase.
  • the collective-energy industry is evaluated as an effective industry, capable of dealing with related international environmental restrictions including climatic change conventions, etc.
  • the affirmative evaluation's debt approximately 1.2 million families in Korea shared in the benefits of district heating in 2003, and in particular, 85% of supplied energy was generated by combined heat and power generation. Korea has a plan to expand the propagation of district heating to 2 million families by 2010.
  • an absorption chiller is installed in a receptor, such as a large-scale building, etc., such that the chiller performs a central cooling operation using energy delivered from distinct heating facilities.
  • the absorption chiller is designed to chill water flowing in a pipe, using heat generated during the evaporation of a liquid-phase refrigerant, and condense the evaporated gas-phase refrigerant for reuse.
  • the absorption chiller has an uneconomical high water return temperature because it cannot use water having a temperature of 80° C. or less, and suffers from a small differential between the temperature of supplied water and the temperature of returned water.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a dehumidifying cooling device for district heating which can provide an air cooling operation by use of hot water supplied by large-scale or small-scale district heating systems and gas-fired or oil-fired boilers installed in individual households, thereby achieving a reduced device size via the implementation of an operation within the normal atmospheric pressure, and low manufacturing costs by virtue of a simplified system configuration.
  • a dehumidifying cooling device for district heating comprising: a case having a partition dividing the interior of the case into a wet channel and a dry channel, the wet channel having at one end, an outside air suction hole for introducing outside air into the wet channel and at the other end, an exhaust hole for discharging the outside air, the dry channel having at one end, a circulated air suction hole for introducing circulated air from a conditioning space into the dry channel and at the other end; an air supply hole for supplying cooling air into the conditioning space; a sensible heat exchanger configured to rotate through the plane of the partition and to heat exchange the outside air introduced into the wet channel through the outside air suction hole with the circulated air introduced into the dry channel; a heating coil installed in the wet channel between the back end of the sensible heat exchanger and the exhaust hole, and raising the temperature of the outside air passing through the wet channel by use of hot water introduced into the heating coil; a
  • the device further comprises: a direct-evaporative cooler installed in the dry channel in front of the regenerative-evaporative cooler, the direct-evaporative cooler carrying out a secondary cooling operation of the circulated air discharged from the regenerative-evaporative cooler.
  • a direct-evaporative cooler installed in the dry channel in front of the regenerative-evaporative cooler, the direct-evaporative cooler carrying out a secondary cooling operation of the circulated air discharged from the regenerative-evaporative cooler.
  • the device further comprises: a first filter installed between the outside air suction hole and the sensible heat exchanger and removing impurities contained in the outside air; and an exhaust blower installed between the dehumidifying wheel and the exhaust hole and forcibly discharging the outside air from the wet channel through the exhaust hole.
  • the first filter and the exhaust blower are installed in the wet channel.
  • the device further comprises: a second filter installed between the circulated air suction hole and the dehumidifying wheel and removing impurities contained in the circulated air; and an air supply blower installed between the dehumidifying wheel and the sensible heat exchanger and forcibly discharging the cooled circulated air from the dry channel through the air supply hole.
  • the second filter and the air supply blower are installed in the dry channel.
  • the case is further provided with a cooler exhaust hole for discharging high-temperature air generated when the regenerative-evaporative cooler conducts secondary cooling operations.
  • the amount of the high-temperature air to be discharged through the cooler exhaust hole is 30% of the total circulated air.
  • the hot water to be introduced into the heating coil is delivered from any one of: a cogeneration plant, a heating boiler, a micro-turbine, a small gas engine, a small gas turbine, a gas-fired boiler, or an oil-fired boiler.
  • the circulated air suctioned through the circulated air suction hole is mixed with the outside air at a predetermined mixing ratio of 7:3.
  • a dehumidifying cooling device for district heating of the present invention having the above described configuration, it is possible to provide air cooling by use of hot water supplied by large-scale or small-scale district heating systems and gas or oil boilers installed in individual households. Accordingly, the present invention has the effect of achieving a reduced device size through the implementation of the cooling operation without a compressor, and reduced manufacturing costs by virtue of a simplified system configuration.
  • FIG. 1 is a view illustrating the configuration of a dehumidifying cooling device for district heating according to the present invention
  • FIG. 2 is a view illustrating the flow of air in the dehumidifying cooling device for district heating according to the present invention.
  • FIG. 3 is a graph illustrating the temperature distribution of humid air used in the dehumidifying cooling device for district heating according to the present invention.
  • FIG. 1 is a view illustrating the configuration of a dehumidifying cooling device for district heating according to the present invention.
  • the dehumidifying cooling device 100 comprises: a case 110 , a first filter 120 , a sensible heat exchanger 130 , a heating coil 140 , a dehumidifying wheel 150 , an exhaust blower 160 , a second filter 170 , an air supply blower 180 , a regenerative-evaporative cooler 190 , and a direct-evaporative cooler 200 .
  • the case 110 is made of metal and has a rectangular box shape.
  • the case 110 is installed with a partition 119 dividing the interior of the case 110 into a wet channel 111 and a dry channel 115 .
  • the case 110 has an outside air suction hole 113 at one end of the wet channel 111 for introducing outside air into the wet channel 111 , and an exhaust hole 112 at the other end of the wet channel 111 for discharging the outside air.
  • the case 110 also has a circulated air suction hole 116 at one end of the dry channel 115 , for introducing circulated air from a conditioning space CS into the dry channel 115 , and an air supply hole 117 at the other end of the dry channel 115 for supplying cooling air into the conditioning space CS.
  • the dry channel 115 of the case 110 is further provided with a cooler exhaust hole 118 for discharging high-temperature air generated while the regenerative-evaporative cooler 190 carries out a secondary cooling operation that will be described hereinafter.
  • the circulated air introduced into the case 110 through the circulated air suction hole 116 , is mixed with the outside air at a ratio of 7:3, to keep the interior of the case 110 in the atmospheric pressure state.
  • the first filter 120 is located in the wet channel 111 of the case 110 between the outside air suction hole 113 and the sensible heat exchanger 130 .
  • the first filter 120 is used to remove impurities and odors from the suctioned outside air.
  • the first filter 120 is an antibacterial filter, and is easily separable from the case 110 .
  • the sensible heat exchanger 130 has a rotating shaft 131 installed in the plane of the partition 119 and takes the form of a disc rotating on shaft 131 inside the wet channel 111 and the dry channel 115 of the case 110 .
  • the sensible heat exchanger 130 is used to heat exchange the outside air introduced into the wet channel 111 through the outside air suction hole 113 with the circulated air introduced into the dry channel 115 .
  • the sensible heat exchanger 130 is a honeycomb-patterned disc fabricated by processing a thin plate, such as an aluminum plate, etc.
  • the sensible heat exchanger 130 carries out a primary heat exchange operation for lowering the temperature of the circulated air that is dehumidified by passing through the dehumidifying wheel 150 to be described hereinafter.
  • the heating coil 140 is located in the wet channel 111 of the case 110 between a back end of the sensible heat exchanger 130 and the exhaust hole 112 .
  • the heating coil 140 raises the temperature of the outside air passing through the wet channel 111 by use of hot water introduced therein.
  • the hot water introduced into the heating coil 140 is delivered from any one of: a cogeneration plant, a heating boiler, a micro-turbine, a small gas engine, a small gas turbine, a gas-fired boiler, or an oil-fired boiler, and has a temperature within a range of 60 to 120° C.
  • the dehumidifying wheel 150 has a rotating shaft 151 installed in the plane of partition 119 , and takes the form of a disc to rotating on shaft 151 inside the wet channel 111 and the dry channel 115 of the case 110 .
  • the dehumidifying wheel 150 is located behind the heating coil 140 and serves to adsorb and remove moisture contained in the circulated air within the dry channel 115 .
  • the dehumidifying wheel 150 is regenerated by evaporating the adsorbed moisture to thereby supply the moisture into the high-temperature outside air within the wet channel 111 .
  • the dehumidifying wheel 150 is a honeycomb-patterned disc containing an adsorbent, such as silica gel, zeolite, or the like, for adsorbing the moisture contained in the circulated air in a dry adsorption manner.
  • an adsorbent such as silica gel, zeolite, or the like.
  • the exhaust blower 160 is installed in the wet channel 111 of the case 110 between the dehumidifying wheel 150 and the exhaust hole 112 , and forcibly discharges the outside air from the wet channel 111 .
  • the second filter 170 is installed in the dry channel 115 of the case 110 between the circulated air suction hole 116 and the dehumidifying wheel 150 and removes impurities and odors from the circulated air.
  • the second filter 170 is an antibacterial filter, and is easily separable from the case 110 .
  • the air supply blower 180 is installed in the dry channel 115 of the case 110 in front of the dehumidifying wheel 150 and forcibly discharges the circulated air from the dry channel 115 through the circulated air supply hole 117 .
  • the regenerative-evaporative cooler 190 is installed in the dry channel 115 between the circulated air supply hole 117 and the sensible heat exchanger 130 .
  • the regenerative-evaporative cooler 190 further cools the circulated air.
  • the cooled circulated air is delivered to the air supply hole 117 of the case 110 , while the high-temperature air generated during cooling is delivered to the cooler exhaust hole 118 .
  • the amount of the high-temperature air to be discharged through the cooler exhaust hole 118 is 30% of the total circulated air.
  • the interior of the regenerative-evaporative cooler 190 is divided into a dry channel and a wet channel. If a part of the air passing through the dry channel is delivered into the wet channel, the air is cooled as water is evaporated by the high-temperature surface of the wet channel, which acts to absorb heat from the remaining higher temperature air passing through the dry channel. The air passing through the dry channel can be cooled to a dew-point temperature to the maximum extent without an increase of humidity.
  • the configuration of the regenerative-evaporative cooler 190 is disclosed in Korea Patent Registration No. 0409265 and thus, a detailed description thereof will be omitted herein.
  • the direct-evaporative cooler 200 is installed in the dry channel 115 of the case 110 in front of the regenerative-evaporative cooler 190 .
  • the direct-evaporative cooler 200 serves to carry out a secondary cooling operation of the circulated air from the regenerative-evaporative cooler 190 , so as to supply the resulting air into the conditioning space CS through the air supply hole 117 of the case 110 .
  • FIG. 2 is a view illustrating the flow of air in the dehumidifying cooling device for district heating according to the present invention
  • FIG. 3 is a graph illustrating the temperature distribution of humid air used in the dehumidifying cooling device.
  • circulated air from the conditioning space CS which is mixed with high-temperature and high-humidity outside air, is introduced into the dry channel 115 of the case 110 through the circulated air suction hole 116 by the air supply blower 180 .
  • the introduced circulated air After passing through the second filter 170 , the introduced circulated air subsequently passes through the dehumidifying wheel 150 such that the moisture contained in the circulated air is removed by the adsorbent.
  • the dehumidified circulated air is heated by adsorptive heat generated from the surface of the dehumidifying wheel 150 .
  • the resulting high-temperature and low-humidity circulated air is heat exchanged with the outside air in the wet channel 111 by the sensible heat exchanger 130 .
  • the circulated air is changed to the low-temperature air prior to being introduced into the regenerative-evaporative cooler 190 .
  • the circulated air having passed through the regenerative-evaporative cooler 190 , is secondarily cooled while passing through the direct-evaporative cooler 200 , then is supplied into the conditioning space CS through the air supply hole 117 of the case 110 .
  • the temperature of the outside air is further raised by hot water supplied to the heating coil 140 .
  • the outside air to be delivered into the dehumidifying wheel 150 has a significantly raised temperature.
  • the dehumidifying wheel 150 rotates in a state of adsorbing moisture, the outside air forcibly evaporates moisture while passing through the dehumidifying wheel 150 , and thereafter, is discharged to the outside through the exhaust hole 112 .
  • the surface of the dehumidifying wheel 150 is returned to an original dried state, thereby recovering its dehumidifying ability.
  • the dehumidifying cooling device for district heating if circulated air ⁇ circle around ( 1 ) ⁇ is introduced into the case, the circulated air ⁇ circle around ( 1 ) ⁇ is mixed with outside air ⁇ circle around ( 4 ) ⁇ to produce mixed air ⁇ circle around ( 2 ) ⁇ having a raised temperature and absolute humidity. While passing through the dehumidifying wheel, the mixed air ⁇ circle around ( 2 ) ⁇ is changed to higher-temperature and lower absolute-humidity air ⁇ circle around ( 3 ) ⁇ .
  • the air ⁇ circle around ( 3 ) ⁇ is heat exchanged with outside air ⁇ circle around ( 8 ) ⁇ in the wet channel while passing through the sensible heat exchanger such that the heat exchanged air ⁇ circle around ( 4 ) ⁇ has a slightly lowered temperature.
  • the temperature of the air ⁇ circle around ( 4 ) ⁇ is rapidly lowered to produce significantly cooled air ⁇ circle around ( 5 ) ⁇ .
  • the filtered air ⁇ circle around ( 8 ) ⁇ has the same temperature and absolute humidity as does the outside air ⁇ circle around ( 7 ) ⁇ .
  • the filtered air ⁇ circle around ( 8 ) ⁇ is heat exchanged with the circulated air ⁇ circle around ( 3 ) ⁇ in the dry channel while passing through the sensible heat exchanger.
  • the resulting heat exchanged air ⁇ circle around ( 9 ) ⁇ is slightly raised in temperature, but keeps the same absolute humidity as that of the air ⁇ circle around ( 8 ) ⁇ .
  • the temperature of the air ⁇ circle around ( 9 ) ⁇ is rapidly raised while passing through the heating coil, resulting in high-temperature air ⁇ circle around ( 10 ) ⁇ .
  • the high temperature air ⁇ circle around ( 10 ) ⁇ is lowered in temperature but raised in absolute humidity in the course of passing through the dehumidifying wheel, thereby being changed to low-temperature and high-humidity air ⁇ circle around ( 11 ) ⁇ .
  • the dehumidifying cooling device for district heating air to be supplied into a conditioning indoor space is subjected to the transfer of heat and moisture via a direct contact with the dehumidifying cooling device.
  • This has the effect of achieving excellent transfer efficiency and producing and supplying cooling air with a low-temperature heating source of 60° C.
  • the dehumidifying cooling device is operable in normal atmospheric pressure and has a simplified configuration, resulting in a considerable reduction of manufacturing costs.
  • a dehumidifying cooling device can be installed in residential and business buildings, etc. using hot water delivered from district heating facilities as a source for cooling a room.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Central Air Conditioning (AREA)
US11/989,964 2007-02-01 2007-03-08 Dehumidifying Cooling Device for District Heating Abandoned US20100212345A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2007-0010671 2007-02-01
KR1020070010671A KR100773434B1 (ko) 2007-02-01 2007-02-01 지역난방용 제습냉방장치
PCT/KR2007/001147 WO2008041787A1 (en) 2007-02-01 2007-03-08 Dehumidifying cooling device for district heating

Publications (1)

Publication Number Publication Date
US20100212345A1 true US20100212345A1 (en) 2010-08-26

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US11/989,964 Abandoned US20100212345A1 (en) 2007-02-01 2007-03-08 Dehumidifying Cooling Device for District Heating

Country Status (8)

Country Link
US (1) US20100212345A1 (ar)
EP (1) EP1943468B1 (ar)
JP (1) JP2009530585A (ar)
KR (1) KR100773434B1 (ar)
CN (1) CN101346589B (ar)
MY (1) MY151691A (ar)
SA (1) SA08290040B1 (ar)
WO (1) WO2008041787A1 (ar)

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US20130067939A1 (en) * 2011-09-15 2013-03-21 Khanh Dinh Dehumidifier dryer using ambient heat enhancement
US20180320911A1 (en) * 2015-11-18 2018-11-08 Kyungdong Navien Co., Ltd. Air conditioner capable of controlling cooling and humidity, and control method therefor
US20180328603A1 (en) * 2015-11-18 2018-11-15 Kyungdong Navien Co., Ltd. Air conditioner capable of controlling heating and humidity, and control method therefor
US10240807B2 (en) 2014-11-24 2019-03-26 Korea Institute Of Science And Technology Desiccant cooling system
US10393443B1 (en) * 2013-09-23 2019-08-27 Neal Energy Management, Llc Rooftop packaged heating, ventilating and air conditioning system utilizing phase change materials
US10578348B2 (en) * 2017-01-18 2020-03-03 Heatcraft Refrigeration Products Llc System and method for reducing moisture in a refrigerated room
US10704792B2 (en) 2017-04-12 2020-07-07 Korea Institute Of Science And Technology Adsorptive hybrid desiccant cooling system
US10775059B2 (en) * 2015-11-18 2020-09-15 Kyungdong Navien Co., Ltd. Air conditioning capable of controlling ventilation and humidity, and control method therefor
US10834855B2 (en) * 2016-01-08 2020-11-10 Nortek Air Solutions Canada, Inc. Integrated make-up air system in 100% air recirculation system

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KR101180180B1 (ko) 2010-06-17 2012-09-05 황혜자 지역난방설비 또는 가정용 연료전지 설비를 이용하는 건조 시스템
KR101207947B1 (ko) * 2011-12-19 2012-12-05 한국과학기술연구원 제습 냉방 장치
KR101436613B1 (ko) * 2013-10-29 2014-11-05 한국지역난방공사 냉방과 환기 및 가습이 가능한 지역 냉방용 제습 냉방시스템
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CN103791592B (zh) * 2014-02-25 2016-04-13 上海理工大学 用于温湿独立控制系统的降温除湿方法
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EP1943468A1 (en) 2008-07-16
JP2009530585A (ja) 2009-08-27
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SA08290040B1 (ar) 2012-02-22
EP1943468A4 (en) 2013-12-25

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