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EP1304530A1 - Befeuchtungsvorrichtung ohne wasserversorgung - Google Patents

Befeuchtungsvorrichtung ohne wasserversorgung Download PDF

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Publication number
EP1304530A1
EP1304530A1 EP01948036A EP01948036A EP1304530A1 EP 1304530 A1 EP1304530 A1 EP 1304530A1 EP 01948036 A EP01948036 A EP 01948036A EP 01948036 A EP01948036 A EP 01948036A EP 1304530 A1 EP1304530 A1 EP 1304530A1
Authority
EP
European Patent Office
Prior art keywords
cooling
humidifying
air
passage
area
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.)
Withdrawn
Application number
EP01948036A
Other languages
English (en)
French (fr)
Other versions
EP1304530A4 (de
Inventor
Toshihiro Shiga-seisakusho Daikin Ind. Lt KIZAWA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP1304530A1 publication Critical patent/EP1304530A1/de
Publication of EP1304530A4 publication Critical patent/EP1304530A4/de
Withdrawn legal-status Critical Current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
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • 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
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/06—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using moving unheated wet elements
    • F24F2006/065—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using moving unheated wet elements using slowly rotating discs for evaporation
    • 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
    • F24F2203/1016—Rotary wheel combined with another type of cooling principle, e.g. compression cycle
    • 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
    • F24F2203/1036—Details
    • 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
    • F24F2203/1068—Rotary wheel comprising one rotor
    • 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
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1088—Rotary wheel comprising three 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
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1092—Rotary wheel comprising four flow rotor segments

Definitions

  • the present invention relates to a humidifier without water supply, which collects water in the air and humidifies, for example, the air fed to the inside of a room.
  • a disc-shape humidifying rotor 2 composed of an adsorbent such as silica gel and zeolite is rotated as shown by an arrow R by an unshown motor, so that each portion of the humidifying rotor 2 passes in sequence a moisture absorbing area A, a humidifying area H, and a heat recovering area T.
  • a moisture absorbing passage 3 runs across the moisture absorbing area A
  • a humidifying passage 4 runs across the humidifying area H
  • a heat recovering passage 5 runs across the heat recovering area T.
  • the humidifying rotor 2 performs humidification by absorbing moisture from the air that passes the moisture absorbing passage 3 in the moisture absorbing area A, and discharging moisture to high-temperature air in the humidifying passage 4, that is heated by a heater 6, in the humidifying area H.
  • the air passing the heat recovering passage 5 recovers heat in the heat recovering area T, so that each portion of the humidifying rotor 2 is cooled before reaching the moisture absorbing area A, which enables the humidifying rotor 2 to sufficiently adsorb moisture in the moisture absorbing area A and reduces a load on the heater 6.
  • the humidifier without water supply has an advantage of disusing water supply equipment because the humidifying rotor 2 adsorbs moisture from the air in the moisture absorbing passage 3 and discharging the moisture to the air in the humidifying passage 4.
  • the conventional humidifier without water supply absorbs moisture in the moisture absorbing area A after each portion of the humidifying rotor 2 is cooled in the heat recovering area T. Because the humidifying rotor 2 has considerably large heat capacity, the humidifying rotor 2 may go into the moisture absorbing area A before undergoing full cooling. This decreases relative humidity of the air in the vicinity of the surface of the humidifying rotor 2, and causes a problem that sufficient humidification is not provided in the low-temperature and low-humid winter season when a moisture content is discontented and humidification is most required.
  • a humidifier without water supply in the present invention comprises:
  • the humidifying rotor is sufficiently cooled by cooling air flowing in the cooling passage before it encounters the humidifying passage. Consequently, relative humidity of the air in the vicinity of the surface of the humidifying rotor becomes high, which enables sufficient adsorption of moisture from the air running in the moisture absorbing passage, thereby implementing sufficient humidification of the air in the humidifying passage.
  • the humidifier without water supply in one embodiment comprises a heat recovering passage which locates upstream of the heating means in the humidifying passage and runs through the humidifying rotor, wherein the cooling passage is disposed in between the heat recovering passage and the moisture absorbing passage.
  • the air flowing in the heat recovering passage recovers heat
  • the cooled humidifying rotor is further cooled by cooling air flowing in the cooling passage.
  • the humidifying rotor is cooled by the air flowing in the heat recovering passage, and then cooled by the cooling air flowing in the cooling passage, which enables effective cooling of the humidifying rotor.
  • heat is recovered from the humidifying rotor to the air in the heat recovering passage before the humidifying rotor is cooled by cooling air in the cooling passage, which enables effective heat recovery.
  • the humidifying rotor therefore, enables sufficient adsorption of moisture from the air running in the moisture absorbing passage, and thereby implements sufficient humidification of the air in the humidifying passage.
  • the humidifier without water supply in one embodiment comprises a passage for leading cooling air passed through an evaporator to the cooling passage.
  • the air cooled by the evaporator travels through the passage and the cooling passage to the humidifying rotor, and cools the humidifying rotor.
  • obtaining cooling air with use of an evaporator of an air conditioner enables cooling of the humidifying rotor without increased costs and energy.
  • the humidifying rotor therefore, enables sufficient adsorption of moisture from the air running through the moisture absorbing passage, and thereby implements sufficient, humidification of the air in the humidifying passage without increased costs and energy.
  • One embodiment comprises a humidifying rotor, each portion of which passes in sequence a moisture absorbing area, a humidifying area, and a cooling area.
  • the cooling area is disposed between the humidifying area and the moisture absorbing area. Consequently, each portion of the humidifying rotor heated in the humidifying area is sufficiently cooled by cooling air in the cooling area before each portion reaches the moisture absorbing area. Therefore, in each portion of the humidifying rotor, relative humidity of the air in the vicinity of the surface becomes high, which enables sufficient adsorption of moisture from the air in the moisture absorbing area, and implements sufficient humidification of the air in the humidifying area.
  • the heat recovering area is disposed between the humidifying area and the cooling area.
  • the humidifying rotor cooled through heat recovery in the heat recovering area is further cooled by cooling air flowing in the cooling area.
  • the humidifying rotor is cooled by the air flowing in the heat recovering area and then cooled by cooling air flowing in the cooling area, which enables effective cooling of the humidifying rotor.
  • heat is recovered from each portion of the humidifying rotor to the air in the heat recovering area before each portion of the humidifying rotor is cooled in the cooling area, which enables effective heat recovery.
  • the humidifying rotor therefore, enables sufficient adsorption of moisture from the air running through the moisture absorbing area, and thereby implements sufficient humidification of the air in the humidifying area.
  • the humidifier without water supply in one embodiment comprises a passage for leading cooling air passed through an evaporator to the cooling passage that runs through the cooling area.
  • the air cooled by the evaporator travels through the passage and the cooling passage to the cooling area of the humidifying rotor, and cools the humidifying rotor.
  • obtaining cooling air with use of an evaporator of an air conditioner enables cooling of the humidifying rotor without increased costs and energy.
  • the humidifying rotor therefore, enables sufficient adsorption of moisture from the air in the moisture absorbing area, and thereby implements sufficient humidification of the air in the humidifying passage without increased costs and energy.
  • the humidifier without water supply has a disc-shape humidifying rotor 12.
  • the humidifying rotor 12 is composed of an adsorbent such as silica gel, zeolite, and alumina formed, for example, in the shape of a honeycomb or a porous multiparticle.
  • the humidifying rotor 12 is rotated around a central axis in the direction of an arrow R by an unshown motor. As the humidifying rotor 12 is rotated, each portion thereof passes in sequence a moisture absorbing area A, a humidifying area H, a heat recovering area T, and a cooling area C.
  • the humidifying rotor 12 is housed in an unshown casing.
  • the inside of the casing is partitioned by unshown partition plates so as to form a moisture absorbing passage 3 running across the moisture absorbing area A, a humidifying passage 4 running across the humidifying area H, a heat recovering passage 5 running across the heat recovering area T, and a cooling passage 21 running across the cooling area C.
  • a section of the cooling passage 21 that encounters the humidifying rotor 12 is located between the heat recovering passage 5 and the moisture absorbing passage 3.
  • the humidifying passage 4 locates downstream of the heat recovering passage 5, and has a heater 6 as a heating means for further heating the air preheated in the heat recovering area T.
  • a humidifying side fan 14 is provided in a section of the humidifying passage 4 that is downstream from the humidifying rotor 12 for flowing the air as shown with an arrow to feed the air humidified with moisture taken in the humidifying area H to the inside of an unshown room.
  • a moisture absorbing side fan 24 is provided in a section of the moisture absorbing passage 3 that is downstream from the humidifying rotor 12 and in a section of the cooling passage 21 that is downstream from the humidifying rotor 12 for sucking and flowing outside air with a temperature of, for example, 0°C as shown with an arrow.
  • the outside air is sucked to the moisture absorbing passage 3, and when the outside air passes the moisture absorbing area A of the humidifying rotor 12, moisture thereof is adsorbed by the humidifying rotor 12.
  • the outside air sucked by the humidifying side fan 14 to the heat recovering passage 5 is first preheated by utilizing the heat recovered from the humidifying rotor 12 in the heat recovering area T, and then the outside air is heated by the heater 6 in the humidifying passage 4. In this way, the air is preheated in the heat recovering area T and then heated by the heater 6, which makes it possible to provide high-temperature heated air with small energy.
  • the heated air is humidified with moisture evaporated from the humidifying rotor 12, and becomes humidified air, which is fed through the humidifying side fan 14 to the inside of an unshown room.
  • the humidifying rotor 12 is in the state of extremely low temperature of -3 to -5°C, which enables sufficient collection of moisture even if the outside air is in low temperature.
  • a portion of the humidifying rotor 12 that sufficiently collects moisture then reaches the humidifying area H, where the portion fully discharges moisture to high-temperature heated air.
  • Thus-obtained humidified air is fed to the inside of a room through the humidifying side fan 14.
  • the heat recovering area T and the heat recovering passage 5 are provided, they may be omitted.
  • the area proportion of the moisture absorbing area A, the humidifying area H, the heat recovering, area T, and the cooling area C is not limited to the proportion shown in Figs. 1 and 2, and may take various values depending on the situations.
  • a heater is used as a heating means
  • a condenser may be used instead thereof.
  • a cooling passage for flowing cooling air that cools a portion of the humidifying rotor before the portion encounters the moisture absorbing passage.
  • the humidifying rotor is cooled by the air flowing in the heat recovering passage, and then cooled by the cooling air flowing in the cooling passage, which enables effective cooling of the humidifying rotor. Further, heat is recovered from the humidifying rotor to the air in the heat recovering passage before the humidifying rotor is cooled by cooling air in the cooling passage, which enables effective heat recovery.
  • the air cooled by the evaporator travels through the passage and the cooling passage to the humidifying rotor, and cools the humidifying rotor, so that cooling air may be obtained for cooling the humidifying rotor without increased costs and energy.
  • This enables sufficient adsorption of moisture from the air running through the moisture absorbing passage to the humidifying rotor, and thereby implements sufficient humidification of the air in the humidifying passage without increased costs and energy.
  • the cooling area is disposed between the humidifying area and the moisture absorbing area. Consequently, each portion of the humidifying rotor heated in the humidifying area is sufficiently cooled by cooling air in the cooling area before each portion reaches the moisture absorbing area. This enables sufficient adsorption of moisture from the air in the moisture absorbing area to the humidifying rotor, and implements sufficient humidification of the air in the humidifying area.
  • the humidifying rotor cooled through heat recovery in the heat recovering area is further cooled by cooling air flowing in the cooling area, which implements effective cooling of the humidifying rotor. Further, heat is recovered from each portion of the humidifying rotor to the air in the heat recovering area before each portion of the humidifying rotor is cooled in the cooling area, which implements effective heat recovery.
  • the humidifying rotor therefore, enables sufficient adsorption of moisture from the air running through the moisture absorbing area, and thereby implements sufficient humidification of the air in the humidifying area.
  • the air cooled by the evaporator is led to the cooling area through the passage and the cooling passage for cooling the humidifying rotor, which makes it possible to obtain cooling air for cooling the humidifying rotor without increased costs and energy.
  • the humidifying rotor therefore, enables sufficient adsorption of moisture from the air in the moisture absorbing area, and thereby implements sufficient humidification of the air in the humidifying passage without increased costs and energy.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Air Conditioning (AREA)
  • Air Humidification (AREA)
EP01948036A 2000-07-25 2001-07-17 Befeuchtungsvorrichtung ohne wasserversorgung Withdrawn EP1304530A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000223717 2000-07-25
JP2000223717A JP2002039575A (ja) 2000-07-25 2000-07-25 無給水加湿装置
PCT/JP2001/006154 WO2002008672A1 (fr) 2000-07-25 2001-07-17 Humidificateur ne necessitant pas d'eau d'alimentation

Publications (2)

Publication Number Publication Date
EP1304530A1 true EP1304530A1 (de) 2003-04-23
EP1304530A4 EP1304530A4 (de) 2006-05-17

Family

ID=18717772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01948036A Withdrawn EP1304530A4 (de) 2000-07-25 2001-07-17 Befeuchtungsvorrichtung ohne wasserversorgung

Country Status (5)

Country Link
EP (1) EP1304530A4 (de)
JP (1) JP2002039575A (de)
KR (1) KR20020032617A (de)
CN (1) CN1149358C (de)
WO (1) WO2002008672A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3649236B2 (ja) * 2003-10-09 2005-05-18 ダイキン工業株式会社 空気調和装置
CN100430659C (zh) * 2004-06-09 2008-11-05 浙江省普瑞科技有限公司 一种空调用无水加湿转轮的制造方法及其专用设备
US8847833B2 (en) 2009-12-29 2014-09-30 Pulse Finland Oy Loop resonator apparatus and methods for enhanced field control
US9406998B2 (en) 2010-04-21 2016-08-02 Pulse Finland Oy Distributed multiband antenna and methods
US9673507B2 (en) 2011-02-11 2017-06-06 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US9450291B2 (en) 2011-07-25 2016-09-20 Pulse Finland Oy Multiband slot loop antenna apparatus and methods
CN104764094B (zh) * 2015-03-26 2017-06-06 广东美的制冷设备有限公司 加湿空调器和加湿空调器的控制方法
CN111076313B (zh) * 2018-10-22 2022-04-29 大金工业株式会社 空气处理装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902977A1 (de) * 1988-02-01 1989-08-10 Seibu Giken Kk Sorptionsgeraet zum sorbieren von aktivem gas
DE9316950U1 (de) * 1993-11-05 1994-01-05 Munters GmbH, 21035 Hamburg Vorrichtung zum kontinuierlichen Entfeuchten von feuchter Luft
JPH11128655A (ja) * 1997-10-27 1999-05-18 Matsushita Electric Ind Co Ltd 吸着素子及びそれを利用した加湿装置
EP0939283A2 (de) * 1998-02-25 1999-09-01 SANYO ELECTRIC Co., Ltd. Feuchtigkeitsregelungseinrichtung
US6029462A (en) * 1997-09-09 2000-02-29 Denniston; James G. T. Desiccant air conditioning for a motorized vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10332174A (ja) * 1997-05-30 1998-12-15 Mitsubishi Electric Corp 空気加工装置
JP2001201106A (ja) * 2000-01-18 2001-07-27 Matsushita Electric Ind Co Ltd 空気調和機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902977A1 (de) * 1988-02-01 1989-08-10 Seibu Giken Kk Sorptionsgeraet zum sorbieren von aktivem gas
DE9316950U1 (de) * 1993-11-05 1994-01-05 Munters GmbH, 21035 Hamburg Vorrichtung zum kontinuierlichen Entfeuchten von feuchter Luft
US6029462A (en) * 1997-09-09 2000-02-29 Denniston; James G. T. Desiccant air conditioning for a motorized vehicle
JPH11128655A (ja) * 1997-10-27 1999-05-18 Matsushita Electric Ind Co Ltd 吸着素子及びそれを利用した加湿装置
EP0939283A2 (de) * 1998-02-25 1999-09-01 SANYO ELECTRIC Co., Ltd. Feuchtigkeitsregelungseinrichtung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 10, 31 August 1999 (1999-08-31) & JP 11 128655 A (MATSUSHITA ELECTRIC IND CO LTD), 18 May 1999 (1999-05-18) *
See also references of WO0208672A1 *

Also Published As

Publication number Publication date
KR20020032617A (ko) 2002-05-03
EP1304530A4 (de) 2006-05-17
CN1392942A (zh) 2003-01-22
CN1149358C (zh) 2004-05-12
WO2002008672A1 (fr) 2002-01-31
JP2002039575A (ja) 2002-02-06

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