EP3601894A4 - Method to counteract build-up of frost on a heat reclaimer arranged in an air treatment unit - Google Patents

Method to counteract build-up of frost on a heat reclaimer arranged in an air treatment unit Download PDF

Info

Publication number
EP3601894A4
EP3601894A4 EP18777332.0A EP18777332A EP3601894A4 EP 3601894 A4 EP3601894 A4 EP 3601894A4 EP 18777332 A EP18777332 A EP 18777332A EP 3601894 A4 EP3601894 A4 EP 3601894A4
Authority
EP
European Patent Office
Prior art keywords
frost
counteract
build
treatment unit
air treatment
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.)
Pending
Application number
EP18777332.0A
Other languages
German (de)
French (fr)
Other versions
EP3601894A1 (en
Inventor
Johan BJÄRKLEV
Daniel Berg
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.)
FlaektGroup Sweden AB
Original Assignee
FlaektGroup Sweden AB
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 FlaektGroup Sweden AB filed Critical FlaektGroup Sweden AB
Publication of EP3601894A1 publication Critical patent/EP3601894A1/en
Publication of EP3601894A4 publication Critical patent/EP3601894A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/873—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling refrigerant heaters
    • 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
    • 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
    • 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
    • F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
    • 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
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/30—Condensation of water from cooled air
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Control Of Turbines (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Air Conditioning Control Device (AREA)
  • Air Supply (AREA)
EP18777332.0A 2017-03-31 2018-03-01 Method to counteract build-up of frost on a heat reclaimer arranged in an air treatment unit Pending EP3601894A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1750396A SE540735C2 (en) 2017-03-31 2017-03-31 Method for counteracting the build-up of frost on a heat recycler arranged at an air treatment unit
PCT/SE2018/050199 WO2018182479A1 (en) 2017-03-31 2018-03-01 Method to counteract build-up of frost on a heat reclaimer arranged in an air treatment unit

Publications (2)

Publication Number Publication Date
EP3601894A1 EP3601894A1 (en) 2020-02-05
EP3601894A4 true EP3601894A4 (en) 2020-12-23

Family

ID=63677931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18777332.0A Pending EP3601894A4 (en) 2017-03-31 2018-03-01 Method to counteract build-up of frost on a heat reclaimer arranged in an air treatment unit

Country Status (4)

Country Link
EP (1) EP3601894A4 (en)
RU (1) RU2760419C2 (en)
SE (1) SE540735C2 (en)
WO (1) WO2018182479A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109945467A (en) * 2019-03-26 2019-06-28 珠海格力电器股份有限公司 Air conditioner and its control method
CN110260467B (en) * 2019-05-28 2021-09-21 青岛海尔空调电子有限公司 Air conditioner and anti-freezing protection control method and control device thereof
FR3113941B1 (en) * 2020-09-04 2023-06-09 Aereco Improved heat exchanger for double flow ventilation

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5806582A (en) * 1993-07-07 1998-09-15 Abb Installaatiot Oy Method and arrangement for controlling heat transfer in ventilation Apparatus or air conditioning apparatus
WO2006071117A1 (en) * 2004-12-30 2006-07-06 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Ventilation system
US20080108295A1 (en) * 2006-11-08 2008-05-08 Semco Inc. Building, ventilation system, and recovery device control
WO2008102999A1 (en) * 2007-02-22 2008-08-28 Kyungdong Everon Co., Ltd. Device for preventing dew condensation of heat exchange type ventilator and control method thereof
EP2508814A1 (en) * 2011-04-08 2012-10-10 Zehnder Verkaufs- und Verwaltungs AG Ventilation unit
US20140260362A1 (en) * 2013-03-14 2014-09-18 In Sook JUNG Heat exchanger, heat recovery ventilator including the same, and method for defrosting and checking operations thereof
WO2015146018A1 (en) * 2014-03-28 2015-10-01 パナソニックＩｐマネジメント株式会社 Heat exchange ventilator
JP2016153701A (en) * 2015-02-20 2016-08-25 パナソニックＩｐマネジメント株式会社 Heat exchange type ventilation device
US20160290675A1 (en) * 2013-11-26 2016-10-06 Panasonic Intellectual Property Management Co., Ltd. Supply and exhaust ventilation device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU66178A1 (en) * 1945-03-07 1945-11-30 Н.З. Бруштейн Method for preventing regenerators from freezing in air separation plants and device for its implementation
EP1826513B1 (en) * 2005-07-26 2019-10-23 Mitsubishi Electric Corporation Refrigerating air conditioner
SE537165C2 (en) * 2011-09-30 2015-02-24 Voltair Systems Ab Method and system for controlling the defrosting of a heat exchanger

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5806582A (en) * 1993-07-07 1998-09-15 Abb Installaatiot Oy Method and arrangement for controlling heat transfer in ventilation Apparatus or air conditioning apparatus
WO2006071117A1 (en) * 2004-12-30 2006-07-06 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Ventilation system
US20080108295A1 (en) * 2006-11-08 2008-05-08 Semco Inc. Building, ventilation system, and recovery device control
WO2008102999A1 (en) * 2007-02-22 2008-08-28 Kyungdong Everon Co., Ltd. Device for preventing dew condensation of heat exchange type ventilator and control method thereof
EP2508814A1 (en) * 2011-04-08 2012-10-10 Zehnder Verkaufs- und Verwaltungs AG Ventilation unit
US20140260362A1 (en) * 2013-03-14 2014-09-18 In Sook JUNG Heat exchanger, heat recovery ventilator including the same, and method for defrosting and checking operations thereof
US20160290675A1 (en) * 2013-11-26 2016-10-06 Panasonic Intellectual Property Management Co., Ltd. Supply and exhaust ventilation device
WO2015146018A1 (en) * 2014-03-28 2015-10-01 パナソニックＩｐマネジメント株式会社 Heat exchange ventilator
JP2016153701A (en) * 2015-02-20 2016-08-25 パナソニックＩｐマネジメント株式会社 Heat exchange type ventilation device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018182479A1 *

Also Published As

Publication number Publication date
RU2019128646A3 (en) 2021-09-15
EP3601894A1 (en) 2020-02-05
RU2760419C2 (en) 2021-11-24
SE540735C2 (en) 2018-10-23
SE1750396A1 (en) 2018-10-01
WO2018182479A1 (en) 2018-10-04
RU2019128646A (en) 2021-04-30

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