Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
  • F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
  • F28D19/047—Sealing means
• • 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
  • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
  • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
• • 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
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
  • F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
  • F28D19/041—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier with axial flow through the intermediate heat-transfer medium
• • 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
• • 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
  • F24F2203/1096—Rotary wheel comprising sealing means
• • 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

Definitions

• Air treatment device and method for controlling air leakage in an air treatment device are Air treatment device and method for controlling air leakage in an air treatment device
• the present invention relates to a rotary heat exchanger disposed at an air handling unit, and the handling of airflow leakage around the rotor in the rotary heat exchanger.
• an air treatment device according to the preamble of claim 1 , where a rotor in a rotary heat exchanger is enclosed in a housing - a rotor housing - which is sealed both towards the rotor periphery and towards surrounding interior surfaces of an air handling unit, in which the rotary heat exchanger is disposed.
• the device is characterized in that it comprises a pressure compensation means arranged between the rotor chamber, with its air volume, and an outdoor air chamber.
• the invention therefore take care of the problem by ensuring that the leaking air is leaking from the rotor chamber air volume and out of the rotor chamber through correct pressure balance, that is, "in the right direction", whereby no contaminated air can leak into the supply air, and in addition it is only the cleanest air that is allowed to leak, i.e. the outdoor air.
• the control equipment is balancing the pressures in the air handling unit for handling of the leakage flow, for proper pressurization in the outdoor air chamber and thus in the rotor chamber.
• at least one damper is arranged in the second air stream to provide additional ability for controlling and balancing of the pressure drops in the air handling unit and around the rotary heat exchanger.
• the pressure compensation means in its simplest form a hole in the front wall of the rotor chamber, that is, in the front wall between the rotor chamber and the outdoor air chamber.
• the rotor 5 is arranged in a rotor chamber 6, which is sealed towards surrounding interior surfaces 14 within the air handling unit 4, preferably by that the rotor chamber 6 comprises a front wall 7 and a rear wall 8, which are sealed towards interior surfaces 14 of the air handling unit 4 by means of edge seals 15, but between the rotor periphery and the, at the periphery connecting front wall 7 and rear wall 8, are respectively arranged peripheral seals 13 in a conventional manner.
• These can for example have the form of brush seals or other forms of seals.
• the front wall 7 and the rear wall 8 comprises a respective opening 9, 10 which reveals front surfaces 1 1 , 12 of the rotor 5, to allow through flow through the rotor.
• peripheral seal 13 for example in the form of a brush strip, between the rotor 5 periphery and the walls 7, 8 as the leak that occurs here is controlled regarding that it is clean air and that the pressure in the rotor chamber 6 is controlled.
• the pressure compensation means 27 in the form of a hole, arranged and in that half of the air handling unit that connects to the outdoor air chamber 25.
• the pressure controlled an adjusted to be highest in the outdoor air chamber 25, wherein also the pressure in the rotor chamber 6 by the pressure compensation means 27 is the same, or at least in principle the same. At least, the pressure is regulated so that the pressure in the air volume 16 of the rotor chamber 6 always is slightly higher than the surrounding other chambers - exhaust air chamber 21 , supply air chamber 26 and extract air chamber 22.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Fluid Mechanics (AREA)
• Air Conditioning Control Device (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=57546182

Family Applications (1)

Country Status (3)

Family Cites Families (6)

• 2015
  • 2015-06-16 SE SE1550823A patent/SE539066C2/sv unknown
• 2016
  • 2016-05-18 WO PCT/SE2016/050447 patent/WO2016204671A1/en not_active Ceased
  • 2016-05-18 EP EP16812040.0A patent/EP3311090A4/de not_active Withdrawn

Also Published As

Similar Documents

Legal Events