[go: up one dir, main page]

WO2012168078A2 - Refroidissement par génération de jet de vapeur - Google Patents

Refroidissement par génération de jet de vapeur Download PDF

Info

Publication number
WO2012168078A2
WO2012168078A2 PCT/EP2012/059598 EP2012059598W WO2012168078A2 WO 2012168078 A2 WO2012168078 A2 WO 2012168078A2 EP 2012059598 W EP2012059598 W EP 2012059598W WO 2012168078 A2 WO2012168078 A2 WO 2012168078A2
Authority
WO
WIPO (PCT)
Prior art keywords
steam
jet
refrigerant
evaporator
refrigeration machine
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.)
Ceased
Application number
PCT/EP2012/059598
Other languages
German (de)
English (en)
Other versions
WO2012168078A3 (fr
Inventor
Vladimir Danov
Bernd Gromoll
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2012168078A2 publication Critical patent/WO2012168078A2/fr
Publication of WO2012168078A3 publication Critical patent/WO2012168078A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • 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
    • F25B1/06—Compression machines, plants or systems with non-reversible cycle with compressor of jet type, e.g. using liquid under pressure
    • F25B1/08—Compression machines, plants or systems with non-reversible cycle with compressor of jet type, e.g. using liquid under pressure using vapour under pressure

Definitions

  • the invention relates to a steam jet cooling machine for evaporation of a refrigerant Ver by means of a negative pressure using a steam jet of a blowing agent.
  • the dung OF INVENTION ⁇ further relates to a method for operating a steam jet ejector chiller.
  • the invention may in particular for Küh len of household appliances, such as air conditioning, in particular home appliances such as refrigerators, freezers, etc., are used, but also for cooling of or on vehicles, for example, as air conditioning of a motor vehicle.
  • steam jet cooling machines are known in which cold is generated by boiling water used as a cooling liquid at low pressure in an evaporator and thereby cools the remaining liquid in the evaporator water.
  • This negative pressure is generated by means of a steam jet nozzle fluidically connected to the evaporator.
  • Vaporous water as a blowing agent which is conducted at a high speed through a steam jet nozzle ⁇ USAGE to the steam jetting nozzle ⁇ det. Due to the high speed of the propellant in the steam jet nozzle there arises a Un tertik, since the total pressure in the steam jet refrigerator remains constant.
  • the negative pressure in the steam jet nozzle serves to generate the negative pressure in the evaporator connected to the steam jet nozzle.
  • the negative pressure that can be reached in the evaporator is limited by the vapor pressure of the water.
  • a steam jet chiller for evaporating a refrigerant by means of a negative pressure using a steam jet of a blowing agent, wherein the blowing agent is an ionic liquid.
  • An ionic liquid has the advantage that it has only a very low vapor pressure, so that it is possible to achieve particularly low pressures (high overpressure) with the steam jet nozzle.
  • the working range of a steam blast chiller can be widened, thus increasing its cooling capacity.
  • a simple construction of a conventional steam jet refrigeration machine can be maintained.
  • the ionic liquid contains liquid salt or liquid salts.
  • the ionic liquid may contain, in particular cationic salts and / or anio ⁇ African salts.
  • a cationic salt which in particular may be alkylated, may in particular comprise imidazolium, pyridinium, pyrrolidinium, guanidinium, uronium, thiouronium, piperidinium, morpholinium, ammonium and / or phosphonium.
  • ammonium and its derivatives may also be dispensed with.
  • Suitable anions or anionic salts are, in particular, halides and more complex ions, such as tetrafluoroborates, trifluoroacetates, triflates, hexafluorophosphates, phosphinates and / or tosylates.
  • Organic ions such as, for example, imides and amides, can also be anions or anionic salts.
  • the ionic liquids are typically thermally stable, non-flammable and have a very low, barely measurable vapor pressure.
  • the solubility in water or organic solvents can be largely determine freely.
  • the melting point and the viscosity By appropriate functional groups they can be synthesized as acids, bases or ligands.
  • the refrigerant is a liquid ⁇ ness with a lower boiling point than water.
  • the refrigerant may also be an ionic flues ⁇ stechnik, in particular the same ionic liquid, which is already used as the propellant.
  • the refrigerant comprises alcohol, in particular ethanol.
  • Alcohol is low-boiling, inexpensive and (especially in the form of ethanol) not toxic.
  • the propellant is heavier than the refrigerant.
  • the devismit ⁇ tel can settle in its liquid state of aggregation bottom side, in particular in an evaporator, and so particularly easy to be transported to the steam jet.
  • blowing agent and the refrigerant are immiscible, i. do not form a mixture.
  • a separation in its liquid state, in particular in an evaporator, can be achieved easily.
  • the steam jet chiller comprises at least the following components: (i) a jet nozzle having a blowing agent port, a suction port and a mixed flow outlet, (ii) a condenser connected to the mixed flow outlet of the jet nozzle, and (iii) one with the liquefier wherein the evaporator has a blowing agent outlet and a refrigerant outlet, wherein (iv) the blowing agent outlet is connected via a conveying unit to the blowing agent port of the jet nozzle and the refrigerant outlet is connected to the suction port of the jet nozzle.
  • This Ausgestal ⁇ tion allows a simple and effective construction of a steam jet refrigerator.
  • the condenser may be connected to the evaporator, in particular via a valve.
  • the evaporator is designed as a heat exchanger.
  • the steam blast chiller can be easily used as a flexible refrigeration unit.
  • the propellant located in the evaporator is used as a heat exchange medium ⁇ bar. It is therefore not used in the evaporator directly cooled by the heat of vaporization heat extracted refrigerant as a heat exchange medium.
  • This has the advantage that the blowing agent is due to the heat exchange at an elevated temperature relative to the refrigerant, which facilitates evaporation of the blowing agent in the jet nozzle.
  • the invention can be used in particular for cooling household appliances, eg air conditioning systems, in particular domestic appliances such as refrigerators, freezer devices, etc.
  • the invention is not limited thereto and may, for example, also for vehicles, eg for air conditioning systems of trains or motor vehicles, are used.
  • the object is further achieved by a device, wherein the device has at least one steam blast chiller on ⁇ , in particular as a refrigeration device or a refrigeration unit.
  • the device may be, for example, a domestic appliance, in particular a domestic appliance, or a vehicle.
  • the object is also achieved by a method for Betrei ⁇ ben a steam blast chiller using a refrigerant and a propellant, wherein the propellant is an ionic liquid.
  • This gives the same advantages as the steam blast chiller.
  • the method can also be designed analogously to the steam blast chiller ⁇ the.
  • the figure shows teniklauf to a possible design of a steam-jet refrigeration unit 1 Inventive ⁇ proper with its associated coldest.
  • a conveying unit pumps in the form of a pump 2maschinemit ⁇ tel in the form of an ionic liquid F with high pressure from an evaporator 3 5.
  • the evaporator 3 are located at a blowing agent port 4 of a nozzle, the ionic liquid F and a refrigerant K in the form of alcohol.
  • the ionic liquid F is a drive nozzle (o.Abb.) Gelei ⁇ tet in the form of a Laval nozzle from which the ionic liquid F with high overall speed as steam in a mixing chamber 5a of the Strahldü ⁇ se 5 exits and generates a high negative pressure there.
  • This negative pressure is not limited by the (practically negligible) vapor pressure of the ionic liquid F.
  • the mixing chamber 5a is fluidically connected to a refrigerant outlet 8 of the evaporator 3 via a fluid line 6 connected to a suction connection 7, specifically with the area of the evaporator 3 containing the refrigerant K.
  • the vaporized refrigerant K is sucked via the fluid line 6 into the mixing chamber and mixed there with the vaporized ionic liquid F.
  • the resulting mixed jet F, K is in a downstream diffuser of the jet nozzle 5, which also acts as Gemischtstromauslass 12, delayed.
  • the mixed jet F, K is passed on to the mixed flow outlet 12 further into a condenser 9.
  • This can be embodied, for example, as a heat exchanger or as a mixed condenser.
  • the condenser 9 may be air-cooled and / or liquid-cooled. In the condenser 9, the mixed jet F, K is liquefied or condensed.
  • the resul ⁇ animal condensate F, K from the ionic liquid F and the refrigerant K is forwarded to a valve 10 and expanded there.
  • the valve 10 is followed by the evaporator 3, in which the condensate F, K runs.
  • the condensate F, K separates, with the heavier ionic liquid F sinking down.
  • a propellant connection 13 via which a connection line 11 to the pump 2 is connected.
  • the fluid line 6 is at an upper portion of the evaporator 2 connected to which vaporous refrigerant K is located.
  • the evaporator 3 can be used in a variant as a heat exchanger, for example by a separate or secondary cooling circuit S through the evaporator. 3 runs, with a coolant M flows in the secondary cooling circuit S.
  • the o.ä. Coolant M cooled by the evaporator 3 can be conveyed to a device to be cooled (for example, an air conditioner or a refrigerator, etc.).
  • the secondary cooling circuit S may in particular be in a heat exchange with the ionic liquid F as a heat exchange medium, but alternatively or additionally with the refrigerant K.
  • the steam jet cooling machine 1 shown has as a further advantage that only the pump 2 is a movable part in operation and the steam jet cooling machine 1 is therefore effective, simple, inexpensive and low maintenance.
  • the components of the steam jet cooling machine may also be present several times, for example as parallel or cascaded refrigeration circuits.
  • the steam jet refrigeration machine may be a multi-stage steam jet refrigerator.
  • ionic liquid and a refrigerant which are miscible with each other.
  • the condensate is then composed of a corresponding Mi ⁇ research of the ionic liquid and the refrigerant, whereby a separation of these components in the evaporator, at least partially is effected by that the refrigerant evaporated by the dependent tertik, the ionic liquid is not.
  • a mixed liquid can be provided in the evaporator with a high concentration of the ionic liquid. This mixed liquid with the high concentration of ionic liquid can then as propellant to the
  • Blasting nozzle 5 are transported.
  • a boiling point of the refrigerant ⁇ is lower than a boiling temperature of the propellant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

Machine frigorifique à jet de vapeur (1) utilisant comme fluide moteur (F) un liquide ionique, ce qui permet d'obtenir un refroidissement particulièrement efficace. La machine frigorifique à jet de vapeur (1) peut servir en particulier pour des appareils ménagers (installations de climatisation, réfrigérateurs, etc) et des véhicules (installations de climatisation dans les voitures particulières, etc). L'invention concerne également un procédé permettant de faire fonctionner une machine frigorifique à jet de vapeur (1) en utilisant un fluide frigorigène (K) et un fluide moteur (F), le fluide moteur (F) étant un liquide ionique.
PCT/EP2012/059598 2011-06-07 2012-05-23 Refroidissement par génération de jet de vapeur Ceased WO2012168078A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011077079.8 2011-06-07
DE201110077079 DE102011077079A1 (de) 2011-06-07 2011-06-07 Kühlung durch Dampfstrahlerzeugung

Publications (2)

Publication Number Publication Date
WO2012168078A2 true WO2012168078A2 (fr) 2012-12-13
WO2012168078A3 WO2012168078A3 (fr) 2013-06-06

Family

ID=46208470

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/059598 Ceased WO2012168078A2 (fr) 2011-06-07 2012-05-23 Refroidissement par génération de jet de vapeur

Country Status (2)

Country Link
DE (1) DE102011077079A1 (fr)
WO (1) WO2012168078A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103528261A (zh) * 2013-10-15 2014-01-22 上海交通大学 一种非能动式有机物喷射制冷装置
DE102013211084A1 (de) * 2013-06-14 2014-12-18 Siemens Aktiengesellschaft Verfahren zum Betrieb einer Wärmepumpe und Wärmepumpe
CN106895601A (zh) * 2017-02-24 2017-06-27 重庆大学 一种蒸气增压喷射制冷系统发生温度设定方法
CN106958961A (zh) * 2017-02-24 2017-07-18 重庆大学 一种基于“火用”效率计算的蒸气增压喷射制冷系统设计时发生温度的设定方法
DE102021005770A1 (de) 2021-11-22 2023-05-25 Serge Olivier Menkuimb Neuartiges und regeneratives Energieerzeugungskühlsystem
CN117972965A (zh) * 2022-10-26 2024-05-03 国家电投集团科学技术研究院有限公司 蒸汽射流模型的生成方法、装置、电子设备及存储介质

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014103106B8 (de) * 2014-02-28 2019-11-07 Felix Kübel-Heising Dampfstrahlkälteanlage mit zwei Arbeitsmedien
DE102015219869B4 (de) * 2015-10-14 2023-08-31 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betrieb einer Kälteanlage und Baugruppe einer Kälteanlage
DE102016106234B4 (de) 2016-04-06 2022-03-03 Fahrenheit Gmbh Adsorptionswärmepumpe und Verfahren zum Betreiben einer Adsorptionswärmepumpe
CN113604204B (zh) * 2021-07-27 2022-05-31 中国科学院金属研究所 一种无机塑晶材料在固态制冷中的应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005028451B4 (de) * 2005-06-17 2017-02-16 Evonik Degussa Gmbh Verfahren zum Transport von Wärme
DE102008032825B3 (de) * 2008-07-11 2010-01-14 Siemens Aktiengesellschaft Strahlpumpe sowie Verfahren zu deren Betrieb
CA2691294C (fr) * 2008-08-14 2011-12-06 May-Ruben Technologies, Inc. Ejecteur de fluide binaire et sa methode d'utilisation
CN101718479B (zh) * 2008-10-09 2012-02-29 中国科学院理化技术研究所 一种采用co2为制冷剂的吸收式制冷机
DE102009051087A1 (de) * 2008-10-29 2010-05-06 Basf Se Arbeitsmedium für Kälte- und Wärmeprozesse, enthaltend ein Tetraalkylammoniumsalz

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013211084A1 (de) * 2013-06-14 2014-12-18 Siemens Aktiengesellschaft Verfahren zum Betrieb einer Wärmepumpe und Wärmepumpe
CN103528261A (zh) * 2013-10-15 2014-01-22 上海交通大学 一种非能动式有机物喷射制冷装置
CN103528261B (zh) * 2013-10-15 2015-09-09 上海交通大学 一种非能动式有机物喷射制冷装置
CN106895601A (zh) * 2017-02-24 2017-06-27 重庆大学 一种蒸气增压喷射制冷系统发生温度设定方法
CN106958961A (zh) * 2017-02-24 2017-07-18 重庆大学 一种基于“火用”效率计算的蒸气增压喷射制冷系统设计时发生温度的设定方法
CN106895601B (zh) * 2017-02-24 2019-06-18 重庆大学 一种蒸气增压喷射制冷系统发生温度设定方法
CN106958961B (zh) * 2017-02-24 2019-06-18 重庆大学 一种基于“火用”效率计算的蒸气增压喷射制冷系统设计时发生温度的设定方法
DE102021005770A1 (de) 2021-11-22 2023-05-25 Serge Olivier Menkuimb Neuartiges und regeneratives Energieerzeugungskühlsystem
CN117972965A (zh) * 2022-10-26 2024-05-03 国家电投集团科学技术研究院有限公司 蒸汽射流模型的生成方法、装置、电子设备及存储介质

Also Published As

Publication number Publication date
DE102011077079A1 (de) 2012-12-13
WO2012168078A3 (fr) 2013-06-06

Similar Documents

Publication Publication Date Title
WO2012168078A2 (fr) Refroidissement par génération de jet de vapeur
KR101659949B1 (ko) Ｌｇｗｐ 냉매를 사용한 흡수식 냉각 사이클
EP2636715B1 (fr) Support de travail pour pompes à chaleur à absorption
DE602004003710T2 (de) Klimaregelungssystem mit einem dampfkompressionskreislauf in kombination mit einem absorptionskreislauf
DE3739831A1 (de) Waermeabsorptions-verfahren und -vorrichtungen
DE112016005606T5 (de) Verwenden von Wärme, die aus einer Wärmequelle gewonnen wurde, um Heisswasser zu erhalten
EP4314671B1 (fr) Procédé et dispositif de régulation de la température d'un espace dont la température doit être régulée
DE202015010031U1 (de) Kühlsystem
DE102014212019A1 (de) Kühl- und Energierückgewinnungsystem
WO2014111198A1 (fr) Procédé et dispositif de refroidissement d'une cuve de fermentation et/ou de stockage
EP0021205A2 (fr) Procédé de compression-absorption hybride pour pompes à chaleur ou machine frigorifique
DE2311423B2 (de) Vorrichtung zur Übertragung von Wärme von einem niedrigeren zu einem höheren Temperaturpegel
DE102022201790A1 (de) Verfahren und Vorrichtung zum Temperieren eines zu temperierenden Raums
DE102004039327A1 (de) Absorptionskältemaschine
DE2438418A1 (de) Gaskompressor der verdraengerbauart, insbesondere fuer kaeltemaschinen
DE19832682C2 (de) Abtaueinrichtung für einen Verdampfer einer Wärmepumpe oder eines Klimageräts
WO2015055159A1 (fr) Machine frigorifique à absorption
DE102016010741A1 (de) Ammoniak/Wasser- Absorptionskältemaschine
CH392576A (de) Verfahren zum Betrieb von Kältemaschinen
DE112017006707B4 (de) Absorptionskältemaschine
DE2200553A1 (de) Entspannungs- und Verdampfungsvorrichtung fuer Kuehlmaschinen
EP2735821A1 (fr) Procédé d'extraction d'énergie thermique à partir d'un milieu
DE1751367C (de) Absorptionskälteanlage
DE630081C (de) Kaeltemaschine
DE667699C (de) Einrichtung zum Rueckfuehren von OEl in einer Kaeltemaschine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12725680

Country of ref document: EP

Kind code of ref document: A2

122 Ep: pct application non-entry in european phase

Ref document number: 12725680

Country of ref document: EP

Kind code of ref document: A2