EP1921279A2 - Procédé destiné à l'utilisation de la chaleur d'échappement durant le fonctionnement d'une turbine dotée d'un milieu à l'état de vapeur - Google Patents

Procédé destiné à l'utilisation de la chaleur d'échappement durant le fonctionnement d'une turbine dotée d'un milieu à l'état de vapeur Download PDF

Info

Publication number: EP1921279A2
Authority: EP; European Patent Office
Prior art keywords: turbine; medium; heat exchanger; cooling; refrigerant
Prior art date: 2006-07-29
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

EP07005113A

Other languages

German (de)

English (en)

Other versions

EP1921279B1 (fr

EP1921279A3 (fr

Inventor

Walter Varlemann

Daniela Stederoth

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.)

Individual

Original Assignee

Individual

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.)

2006-07-29

Filing date

2007-03-13

Publication date

2008-05-14

2007-03-13 Application filed by Individual filed Critical Individual

2008-05-14 Publication of EP1921279A2 publication Critical patent/EP1921279A2/fr

2012-02-22 Publication of EP1921279A3 publication Critical patent/EP1921279A3/fr

2017-08-30 Application granted granted Critical

2017-08-30 Publication of EP1921279B1 publication Critical patent/EP1921279B1/fr

Status Not-in-force legal-status Critical Current

2027-03-13 Anticipated expiration legal-status Critical

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Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
- F01K25/106—Ammonia

Definitions

the present invention relates to a method for recovering energy when operating a turbine with a vaporous medium.
the type of medium for operating such a steam turbine essentially depends on which temperature is available for the evaporation of the medium.
the medium supplied essentially so-called refrigerant, for. B. ammonia, which already evaporates at a temperature of about 65 ° C under ambient pressure. Heat is needed to transfer this refrigerant to a vapor state.
heat sources for evaporating the refrigerant in an evaporator are available in a wide variety of variants. So z. B. known to provide a corresponding heat source by way of solar thermal or by fuel cells. In the end, however, corresponding energy is also generated when operating so-called biogas plants.
the cooling medium exits the turbine it is necessary for the cooling medium to be cooled down, in particular, cooled down so that the medium changes to the liquid state. This is because there must be an energetic potential difference between the input of the turbine and the output of the turbine.
the efficiency of the turbine is essentially dependent on the level of the energy potential difference. In this respect, the temperature difference should be as high as possible.
the medium exiting the turbine is cooled down so far that it is liquid.
a condenser is provided for cooling the vaporous medium emerging from the turbine. It is known from Schmidt, E., Stephan, K., Mayinger, F.: Technical Thermodynamics, in steam power plants the steam process a second process downstream. Here, the steam is only up to pressures of 15 to 20 bar relaxed, then leads him to a heat exchanger, where he then gives his Kondensationsenhalpie to a refrigerant and evaporates.
the cooling medium is brought to a higher temperature level after leaving the condenser, in which the cooling medium, which cools down the required for operation of the turbine vapor medium by another device being passed through a heat exchanger the cooling medium is heated, the turbine in turn supplied medium.
the further device is preferably designed as a heat pump, but may also be an evaporator.
the cooling medium receives such a temperature level by the further device, which is in particular as a heat pump, that the medium supplied to the turbine can be converted by a corresponding heat exchanger in the vaporous state.
the energy of the cooling medium provided by the heat pump for example, is insufficient to achieve such vaporization of the medium supplied to the turbine, then another stage is provided, in which finally by another heat exchanger in the form of an evaporator that of the turbine supplied medium is evaporated.
thermodynamic process which has a relatively low vapor point, such. B. ammonia.
a refrigerant is used for the above-described thermodynamic process, which has a relatively low vapor point, such. B. ammonia.
an evaporator is referred to as a heat source z.
B warm water is supplied, with which a refrigerant is transferred to the vapor state.
This vaporous refrigerant is then supplied to the turbine designated 2, from where this refrigerant flows into a condenser 3.
the designed as a capacitor heat exchanger. 3 ensures the liquefaction of the refrigerant, wherein the liquefaction of the refrigerant, for example, by low-temperature water, which is supplied to the heat exchanger.
the water supplied to the condenser as heating medium is heated, this water then being supplied to a heat pump 4, after which the water heated in turn is fed to a heat exchanger 5, which transfers the refrigerant from the condenser 3 to a higher temperature level. If the temperature increase of the refrigerant in the heat exchanger 5 is such that the refrigerant after leaving the heat exchanger 5 is liquid, then it is provided to transfer the refrigerant into the evaporator 1, from where it is then transferred to the vapor state.
the heat exchanger 5 is thus designed as an evaporator, then the vaporizer 1 can be omitted in principle, since then the medium directly Turbine 2 can be supplied.

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Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Engine Equipment That Uses Special Cycles (AREA)
Treating Waste Gases (AREA)

EP07005113.1A 2006-07-29 2007-03-13 Procédé destiné à l'utilisation de la chaleur d'échappement durant le fonctionnement d'une turbine dotée d'un milieu à l'état de vapeur Not-in-force EP1921279B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102006035263A DE102006035263B3 (de)	2006-07-29	2006-07-29	Verfahren zur Nutzung der Abwärme bei Betrieb einer Turbine mit einem dampfförmigen Medium

Publications (3)

Publication Number	Publication Date
EP1921279A2 true EP1921279A2 (fr)	2008-05-14
EP1921279A3 EP1921279A3 (fr)	2012-02-22
EP1921279B1 EP1921279B1 (fr)	2017-08-30

Family

ID=38650799

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07005113.1A Not-in-force EP1921279B1 (fr)	2006-07-29	2007-03-13	Procédé destiné à l'utilisation de la chaleur d'échappement durant le fonctionnement d'une turbine dotée d'un milieu à l'état de vapeur

Country Status (2)

Country	Link
EP (1)	EP1921279B1 (fr)
DE (1)	DE102006035263B3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101865567A (zh) *	2010-04-30	2010-10-20	张军	利用蒸汽锅炉和蒸汽驱动的水源热泵联合供热的系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE506005A (fr) *
DE2000125A1 (de) *	1970-01-02	1971-07-22	Schantz Hugo Dipl Ing	Waermepumpe zur Erzeugung einer gleichmaessig niedrigen Kondensationstemperatur im Dampfturbinenbetrieb unter Verwertung der anfallenden Waerme fuer Heizzwecke
DE3118101A1 (de) *	1981-04-16	1983-02-03	Ellrich, Wolfgang, Dipl.-Ing., 2000 Braak	Kraft-waermerueckkopplung
BE901144A (fr) *	1984-11-28	1985-03-15	Jacques Stulemeijer	Installation de transformation d'energie calorifique en energie mecanique.
DE202005020943U1 (de) *	2005-04-01	2006-11-16	Pejm, Wojciech	Kühlsystem für thermodynamische Niedertemperatursolarelektrokraftwerke
TW200825280A (en) *	2006-12-05	2008-06-16	Wei Fang	Power generating system driven by a heat pump

2006
- 2006-07-29 DE DE102006035263A patent/DE102006035263B3/de not_active Expired - Fee Related
2007
- 2007-03-13 EP EP07005113.1A patent/EP1921279B1/fr not_active Not-in-force

Also Published As

Publication number	Publication date
DE102006035263B3 (de)	2007-12-06
EP1921279B1 (fr)	2017-08-30
EP1921279A3 (fr)	2012-02-22

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