EP2570753A3 - Heat pump with ejector - Google Patents

Heat pump with ejector Download PDF

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Publication number
EP2570753A3
EP2570753A3 EP12184177.9A EP12184177A EP2570753A3 EP 2570753 A3 EP2570753 A3 EP 2570753A3 EP 12184177 A EP12184177 A EP 12184177A EP 2570753 A3 EP2570753 A3 EP 2570753A3
Authority
EP
European Patent Office
Prior art keywords
ejector
heat pump
outlet
evaporator
compression
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.)
Granted
Application number
EP12184177.9A
Other languages
German (de)
French (fr)
Other versions
EP2570753A2 (en
EP2570753B1 (en
Inventor
Steffen Oberländer
Eberhard Wobst
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.)
Engie Refrigeration GmbH
Original Assignee
Thermea Energiesysteme GmbH
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 Thermea Energiesysteme GmbH filed Critical Thermea Energiesysteme GmbH
Publication of EP2570753A2 publication Critical patent/EP2570753A2/en
Publication of EP2570753A3 publication Critical patent/EP2570753A3/en
Application granted granted Critical
Publication of EP2570753B1 publication Critical patent/EP2570753B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/001—Ejectors not being used as compression device
    • F25B2341/0012—Ejectors with the cooled primary flow at high pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

Die Erfindung betrifft eine mit funktionsbedingt hohen Druckdifferenzen arbeitende Hochtemperaturwärmepumpe mit Ejektor. Die Wärmepumpe umfasst mindestens einen Gaskühler (2) oder Verflüssiger, mindestens einen Verdampfer (5), mindestens einen Verdichtungsejektor (3), der die mindestens eine erste Verdichterstufe der Wärmepumpe bildet, mindestens eine ölfreie halbhermetische oder hermetische Turboverdichtereinheit (1), welche die mindestens zweite Verdichterstufe der Wärmepumpe bildet, einen Abscheidesammler (4) und mindestens ein Drosselventil (6), das zwischen den zweiten Austritt (4.3) des Abscheidesammlers (4) und den Eintritt (5.1) des mindestens einen Verdampfers (5) geschaltet ist. Der Sauganschluss (3.3) des mindestens einen Verdichtungsejektors (3) ist mit dem Austritt (5.2) des mindestens einen Verdampfers (5), der Druckanschluss (3.1) des mindestens einen Verdichtungsejektors (3) direkt oder über ein Regelventil (13.1) mit dem Austritt (2.2) des mindestens einen Gaskühlers (2) bzw. Verflüssigers und der Austritt (3.2) des mindestens einen Verdichtungsejektors (3) ist mit dem Eintritt (4.1) des Abscheidesammlers (4) verbunden. Der Anschluss (12.3) eines Absaugejektors (12) ist an das Gehäuse der mindestens einen Turboverdichtereinheit (1) angeschlossen und saugt Kältemittel ab, um Reibungsverluste zu minimieren.

Figure imgaf001
The invention relates to a working with high pressure differences high temperature heat pump with ejector. The heat pump comprises at least one gas cooler (2) or condenser, at least one evaporator (5), at least one compression ejector (3) forming the at least one first compressor stage of the heat pump, at least one oil-free semi-hermetic or hermetic turbocompressor unit (1) containing at least second compressor stage of the heat pump forms a separation collector (4) and at least one throttle valve (6) which is connected between the second outlet (4.3) of the collector (4) and the inlet (5.1) of the at least one evaporator (5). The suction connection (3.3) of the at least one compression ejector (3) is connected to the outlet (5.2) of the at least one evaporator (5), the pressure connection (3.1) of the at least one compression ejector (3) directly or via a control valve (13.1) to the outlet (2.2) of the at least one gas cooler (2) or condenser and the outlet (3.2) of the at least one compression ejector (3) is connected to the inlet (4.1) of the separation collector (4). The connection (12.3) of a suction ejector (12) is connected to the housing of the at least one turbocompressor unit (1) and draws off refrigerant in order to minimize friction losses.
Figure imgaf001
EP12184177.9A 2011-09-14 2012-09-13 Heat pump with ejector Active EP2570753B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011053594 2011-09-14

Publications (3)

Publication Number Publication Date
EP2570753A2 EP2570753A2 (en) 2013-03-20
EP2570753A3 true EP2570753A3 (en) 2015-07-08
EP2570753B1 EP2570753B1 (en) 2022-06-08

Family

ID=46851844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12184177.9A Active EP2570753B1 (en) 2011-09-14 2012-09-13 Heat pump with ejector

Country Status (2)

Country Link
EP (1) EP2570753B1 (en)
DK (1) DK2570753T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110469376B (en) * 2019-08-29 2024-01-16 中国船舶重工集团公司第七一九研究所 Brayton cycle power generation system and method
EP3862657A1 (en) 2020-02-10 2021-08-11 Carrier Corporation Refrigeration system with multiple heat absorbing heat exchangers
CN112880221B (en) * 2021-01-14 2021-11-30 山东大学 Work and cold air combined supply system driven by medium and low temperature heat source
DE102022100491A1 (en) 2022-01-11 2023-07-13 Schaeffler Technologies AG & Co. KG ejector
DE102022125806A1 (en) 2022-10-06 2024-04-11 Man Energy Solutions Se Water electrolysis system using a heat pump to utilize thermal energy generated during water electrolysis
DE202022107104U1 (en) * 2022-12-20 2023-03-01 Technische Universität Chemnitz, Körperschaft des öffentlichen Rechts Plant for the production of ice, ice slush/ice particles, snow, hydrates, cold water or combinations thereof or mixtures/suspensions in a closed process

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10332104A1 (en) * 2002-07-16 2004-01-29 Denso Corp., Kariya Refrigerant circuit with an ejector
FR2844036A1 (en) * 2002-08-29 2004-03-05 Denso Corp REFRIGERANT CYCLE WITH AN EJECTOR COMPRISING A CHANGEABLE NOZZLE
DE102005007108A1 (en) * 2004-02-18 2005-10-13 Denso Corp., Kariya Ejector
JP2008139019A (en) * 2008-01-21 2008-06-19 Denso Corp Ejector cycle
DE102008024772A1 (en) * 2007-05-25 2008-12-18 Denso Corp., Kariya-shi Coolant circulation device, uses gas coolant for radiating heat of high-pressure coolant ejected from two-stage compressor
JP2009133624A (en) * 2005-03-14 2009-06-18 Mitsubishi Electric Corp Refrigerating/air-conditioning device
US20100313582A1 (en) * 2009-06-10 2010-12-16 Oh Jongsik High efficiency r744 refrigeration system and cycle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10527329B2 (en) 2008-04-18 2020-01-07 Denso Corporation Ejector-type refrigeration cycle device
JP4992819B2 (en) 2008-05-12 2012-08-08 株式会社デンソー Ejector refrigeration cycle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10332104A1 (en) * 2002-07-16 2004-01-29 Denso Corp., Kariya Refrigerant circuit with an ejector
FR2844036A1 (en) * 2002-08-29 2004-03-05 Denso Corp REFRIGERANT CYCLE WITH AN EJECTOR COMPRISING A CHANGEABLE NOZZLE
DE102005007108A1 (en) * 2004-02-18 2005-10-13 Denso Corp., Kariya Ejector
JP2009133624A (en) * 2005-03-14 2009-06-18 Mitsubishi Electric Corp Refrigerating/air-conditioning device
DE102008024772A1 (en) * 2007-05-25 2008-12-18 Denso Corp., Kariya-shi Coolant circulation device, uses gas coolant for radiating heat of high-pressure coolant ejected from two-stage compressor
JP2008139019A (en) * 2008-01-21 2008-06-19 Denso Corp Ejector cycle
US20100313582A1 (en) * 2009-06-10 2010-12-16 Oh Jongsik High efficiency r744 refrigeration system and cycle

Also Published As

Publication number Publication date
EP2570753A2 (en) 2013-03-20
EP2570753B1 (en) 2022-06-08
DK2570753T3 (en) 2022-09-12

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