DE102005063056A1 - Internal combustion engine for vehicle, has stream circuits provided for producing stream in exhaust gas heat exchanger and engine heat exchanger, respectively, where exhaust stream of turbine is condensed with refrigeration capacity - Google Patents
Internal combustion engine for vehicle, has stream circuits provided for producing stream in exhaust gas heat exchanger and engine heat exchanger, respectively, where exhaust stream of turbine is condensed with refrigeration capacity Download PDFInfo
- Publication number
- DE102005063056A1 DE102005063056A1 DE102005063056A DE102005063056A DE102005063056A1 DE 102005063056 A1 DE102005063056 A1 DE 102005063056A1 DE 102005063056 A DE102005063056 A DE 102005063056A DE 102005063056 A DE102005063056 A DE 102005063056A DE 102005063056 A1 DE102005063056 A1 DE 102005063056A1
- Authority
- DE
- Germany
- Prior art keywords
- steam
- internal combustion
- combustion engine
- stream
- heat exchanger
- 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
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 19
- 238000005057 refrigeration Methods 0.000 title abstract description 3
- 239000002918 waste heat Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 238000001179 sorption measurement Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 230000008016 vaporization Effects 0.000 abstract 1
- 238000009834 vaporization Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 206010016352 Feeling of relaxation Diseases 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- IPLONMMJNGTUAI-UHFFFAOYSA-M lithium;bromide;hydrate Chemical compound [Li+].O.[Br-] IPLONMMJNGTUAI-UHFFFAOYSA-M 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
- F02G5/04—Profiting from waste heat of exhaust gases in combination with other waste heat from combustion engines
-
- 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
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/065—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle the combustion taking place in an internal combustion piston engine, e.g. a diesel engine
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- 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)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur besseren Ausnutzung der Abwärme aus dem Abgasstrang, der Motorkühlung, der Ölkühlung und ggf. der Ladeluftkühlung eines Verbrennungsmotors mit einer Dampfturbine und einer Kälte erzeugenden Vorrichtung zur Absenkung der Kondensationstemperatur des Dampfkreislaufes.The The invention relates to a method for better utilization of the waste heat the exhaust system, the engine cooling, the oil cooling and if necessary, the charge air cooling an internal combustion engine with a steam turbine and a cold generating Device for lowering the condensation temperature of the steam cycle.
Die eingesetzte Primärenergie einer Verbrennungskraftmaschine wird zu etwa 33 bis 40 % in mechanische Energie bzw. bei Generatorantrieb in elektrische Energie umgesetzt. Etwa 35 % der Primärenergie werden neben Strahlungsverlusten über Kühler der Umwelt zugeführt und weitere etwa 30 % der Primärenergie über den Abgasstrang an die Umwelt abgegeben.The used primary energy an internal combustion engine is about 33 to 40% in mechanical Energy or converted at generator drive into electrical energy. About 35% of the primary energy are fed in addition to radiation losses via cooler the environment and another about 30% of the primary energy over the Exhaust system discharged to the environment.
Die Abwärmen einer Verbrennungskraftmaschine fallen auf unterschiedlichen Temperaturniveaus von etwa 450 °C und etwa 100 °C an. Es steht einmal der Abgasstrang zur Wärmeauskoppelung mit 400 bis 500 °C je nach Motorart zur Verfügung und einmal die Abwärme aus der Motorkühlung, der Ölkühlung und ggf. der Ladeluftkühlung mit etwa 99 °C.The waste heat an internal combustion engine fall at different temperature levels from about 450 ° C and about 100 ° C at. It stands once the exhaust line for heat extraction with 400 bis 500 ° C each according to engine type available and once the waste heat from the engine cooling, the oil cooling and if necessary, the charge air cooling with about 99 ° C.
Der Stand der Technik ist dadurch gegeben, dass bei großen Verbrennungskraftmaschinen die Abwärme des Abgases genutzt wird, um in einem weiteren Kreislauf die Abwärme des Abgases zu nutzen, um ein Arbeitsmedium zu verdampfen, über eine geeignete Strömungs- oder Kolbenmaschine zu entspannen und wieder zu kondensieren. Bekannt sind Vorrichtungen, die als Verdrängermaschine eine Kolbenexpansionsmaschine oder als Strömungsmaschinen einen Schraubenmotor oder eine Turbine benutzen.Of the State of the art is given by the fact that in large internal combustion engines the waste heat the exhaust gas is used to in another circuit the waste heat of the Use exhaust gas to vaporize a working medium, via a suitable Flow or piston machine to relax and condense again. Devices are known, the as a displacement machine a piston expansion machine or as turbomachines a screw motor or use a turbine.
Bei diesem Verfahren wird bisher vorzugsweise Wasser als Arbeitsmedium eingesetzt, dass unter Berücksichtigung der Wirtschaftlichkeit und des Einsatzes möglichst weniger Nebenaggregate der Anlage bei hohen Temperaturen von 100 °C wieder zur Kondensation gebracht wird.at This method is hitherto preferably water as the working medium used that under consideration the economy and the use of as few ancillary components the plant at high temperatures of 100 ° C brought back to condensation becomes.
Gemäß dem Stand der Technik kann diese Wärme noch einmal genutzt werden, um beispielsweise ein Kältemittel zu verdampfen und bei Umgebungstemperatur zu kondensieren. Diese Anlagen bauen im Regelfall aufwendig mit vielen Teilen und Nebenaggregaten.According to the state The technology can use this heat be used again, for example, a refrigerant to evaporate and to condense at ambient temperature. These As a rule, systems are complex with many parts and ancillary units.
Damit kann nur ein Teil des nach Carnot möglichen Wirkungsgrades erreicht werden. Die über die Kühler an die Umwelt abgegebene Wärme wird bei diesen Prozessen im Regelfall nicht genutzt.In order to can only reach a part of the possible Carnot efficiency become. The over the cooler heat given off to the environment is usually not used in these processes.
Erfindungsgemäß war die Aufgabe zu lösen, ein möglichst einfaches Verfahren mit zugehöriger Vorrichtung zu erfinden, das beide Temperaturstufen der Motorenabwärme von ca. 450 °C und 100 °C optimal nutzt.According to the invention was the Task to solve one preferably simple method with associated device to invent, the both temperature stages of the engine waste heat of about 450 ° C and 100 ° C optimally uses.
Es bietet sich an, die gestellte Aufgabe der optimalen Nutzung der Abwärme eines Motors dadurch zu lösen, dass die Abgaswärme zur Verdampfung eines Arbeitsmediums genutzt wird und die Abwärme des Motors, die durch die Motorkühlung etc. zur Verfügung gestellt wird, über eine geeignete Vorrichtung genutzt wird, um die Kondensationstemperatur des dem Motor nachgeschalteten Dampfkreislaufes deutlich abzusenken.It lends itself to the task of optimal use of the task waste heat to solve an engine by that the exhaust heat is used for the evaporation of a working medium and the waste heat of Motors by the engine cooling etc. available is put over a suitable device is used to control the condensation temperature significantly lower the downstream of the engine steam cycle.
Hiermit
wird erreicht, dass der Carnot'sche Wirkungsgrad
theoretisch von
1 – 373/673
= 0,446
auf
1 – 273/673
= 0,594
erhöht
wird, sofern die Absenkung der Kondensationstemperatur auf 0 °C realisiert
wird.This is to ensure that the Carnot's efficiency is theoretically from
1 - 373/673 = 0.446
on
1 - 273/673 = 0.594
is increased, provided that the reduction of the condensation temperature to 0 ° C is realized.
Zur Absenkung der Kondensationstemperatur steht die über die Kühler abzuführende Wärme zur Verfügung. Da keine mechanische oder elektrische Energie verbrauchenden Aggregate wie elektrisch angetriebene Wärmepumpen zur Absenkung der Kondensationstemperatur eingesetzt werden sollen, kommen im Grundsatz zur Lösung der gestellten Aufgabe nur Absorptionswärmepumpen oder Sorptionswärmepumpen oder Dampfstrahlwärmepumpen in Frage.to Lowering the condensation temperature is the heat to be dissipated via the radiator. There no mechanical or electrical energy consuming aggregates like electrically driven heat pumps to be used to lower the condensation temperature, come in principle to the solution the task only absorption heat pumps or sorption heat pumps or steam jet heat pumps in Question.
Die genannten Kältemaschinen wie Absorptionswärmepumpen benutzen Arbeitsmedien wie Ammoniak-Wasser oder Lithium-Bromid-Wasser-Lösungen und sind relativ aufwendig zu bauen.The mentioned chillers like absorption heat pumps use working media such as ammonia-water or lithium-bromide-water solutions and are relatively expensive to build.
Hier ist die Dampfstrahlpumpe auf Grund des einfachen Aufbaues und der kleinen Anzahl von Nebenaggregaten sowie ihrer Baugröße zur Kälteerzeugung die Vorrichtung der Wahl.Here is the steam jet pump due to the simple structure and the small number of accessories and their size for refrigeration the device of choice.
Die erfindungsgemäße Vorrichtung zur Nutzung der Abgas- und Motorabwärme zur Stromerzeugung besteht damit aus zwei Dampfkreisläufen:
- – einem
ersten Dampfkreislauf, dessen Dampf in dem Abgaswärmetauscher
(
3 ) erzeugt wird, dieser Dampf in dem Turbogenerator (4 ) entspannt und in dem Kondensationswärmetauscher (6 ) kondensiert und mit der Speisepumpe (1 ) wieder dem Abgaswärmetauscher flüssig zugeführt wird. - – Einem
zweiten Dampfkreislauf, dessen Dampf in den Motorwärmewärmetauscher
(
7 ) erzeugt wird und als Treibdampf in dem Dampfstrahlrohr (8 ) den Saugdampf aus dem Kondensatorwärmetauscher (6 ) mitnimmt und der Mischdampf in dem Wärmetauscher Umwelt kondensiert und über die Speisepumpe und das Dreiwegeventil wieder dem Motorwärmewärmetauscher und dem Kondensatorwärmetauscher flüssig zugeführt wird.
- A first steam cycle, the steam in the exhaust gas heat exchanger (
3 ), this steam in the turbogenerator (4 ) and in the condensation heat exchanger (6 ) and condensed with the feed pump (1 ) is fed back to the exhaust gas heat exchanger liquid. - - A second steam cycle, whose vapor enters the engine heat exchanger (
7 ) is generated and as motive steam in the steam jet pipe (8th ) the suction steam from the condenser heat exchanger (6 ) entrains and the mixed steam condenses in the heat exchanger environment and the feed pump and the three-way valve again the engine heat exchanger and the Kon Liquid heat exchanger is supplied.
Wird die erfindungsgemäße Vorrichtung genutzt, um mit einer Verbrennungskraftmaschine in einem Motor- und Dampfprozess stationär noch mehr Strom zu erzeugen, kann der zusätzlich erzeugte Strom in das Netz eingespeist werden.Becomes the device according to the invention used to work with an internal combustion engine in an engine and steam process stationary To generate even more electricity, the additionally generated electricity in the Network are fed.
Wird die Verbrennungskraftmaschine zum Antrieb eines Fahrzeuges genutzt, so wird die Vorrichtung durch einen mit der Motorwelle verbundenen Elektromotor ergänzt, der den im Generator erzeugten Strom zusätzlich für die mechanische Leistung der Verbrennungskraftmaschine zur Verfügung stellt.Becomes the internal combustion engine used to drive a vehicle, so the device is connected by an electric motor connected to the motor shaft added, the power generated in the generator in addition to the mechanical power of Internal combustion engine provides.
Die erfindungsgemäße Vorrichtung ist in der Zeichnung 1 mit folgenden Bezugszeichen dargestellt:The inventive device is shown in the drawing 1 with the following reference numerals:
- 11
- VerbrennungskraftmaschineInternal combustion engine
- 22
- Abgasrohrexhaust pipe
- 33
- Wärmetauscher im Abgasrohrheat exchangers in the exhaust pipe
- 44
- Turbogeneratorturbogenerator
- 55
-
Speisepumpe
1 feed pump1 - 66
- KondensatorwärmetauscherCondenser heat exchanger
- 77
- Wärmetauscher Motorabwärmeheat exchangers engine heat
- 88th
- Dampfstrahlrohrsteam lance
- 99
-
Speisepumpe
2 feed pump2 - 1010
- Wärmetauscher Umweltheat exchangers environment
- 1111
- DreiwegeventilThree-way valve
- 1212
- Elektromotor-GeneratorElectric motor-generator
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202005021603U DE202005021603U1 (en) | 2005-12-29 | 2005-12-29 | ORC engine |
DE102005063056A DE102005063056B4 (en) | 2005-12-29 | 2005-12-29 | ORC engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005063056A DE102005063056B4 (en) | 2005-12-29 | 2005-12-29 | ORC engine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102005063056A1 true DE102005063056A1 (en) | 2007-07-05 |
DE102005063056B4 DE102005063056B4 (en) | 2008-10-30 |
Family
ID=38135775
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005063056A Expired - Fee Related DE102005063056B4 (en) | 2005-12-29 | 2005-12-29 | ORC engine |
DE202005021603U Expired - Lifetime DE202005021603U1 (en) | 2005-12-29 | 2005-12-29 | ORC engine |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202005021603U Expired - Lifetime DE202005021603U1 (en) | 2005-12-29 | 2005-12-29 | ORC engine |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE102005063056B4 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010003630U1 (en) | 2010-03-03 | 2011-07-27 | Technanova Gmbh | Engine block as a direct heat exchanger in a steam circuit |
WO2013060447A1 (en) * | 2011-10-27 | 2013-05-02 | Daimler Ag | Waste heat recovery device |
DE102013103829A1 (en) | 2013-04-16 | 2014-10-16 | Robert Bosch Gmbh | Recuperation system for a motor vehicle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2847028C2 (en) * | 1978-10-25 | 1980-12-18 | Gebrueder Sulzer Ag, Winterthur (Schweiz) | Internal combustion engine system |
US4803958A (en) * | 1987-09-08 | 1989-02-14 | Erickson Donald C | Absorption heat pumped cogeneration engine |
EP1053438B1 (en) * | 1998-02-03 | 2002-07-24 | Miturbo Umwelttechnik GmbH & Co. KG | Method and apparatus for heat transformation for generating heating media |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4803952A (en) | 1987-07-06 | 1989-02-14 | Houser David B | Portable shelter for small animals |
-
2005
- 2005-12-29 DE DE102005063056A patent/DE102005063056B4/en not_active Expired - Fee Related
- 2005-12-29 DE DE202005021603U patent/DE202005021603U1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2847028C2 (en) * | 1978-10-25 | 1980-12-18 | Gebrueder Sulzer Ag, Winterthur (Schweiz) | Internal combustion engine system |
US4803958A (en) * | 1987-09-08 | 1989-02-14 | Erickson Donald C | Absorption heat pumped cogeneration engine |
EP1053438B1 (en) * | 1998-02-03 | 2002-07-24 | Miturbo Umwelttechnik GmbH & Co. KG | Method and apparatus for heat transformation for generating heating media |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010003630U1 (en) | 2010-03-03 | 2011-07-27 | Technanova Gmbh | Engine block as a direct heat exchanger in a steam circuit |
WO2013060447A1 (en) * | 2011-10-27 | 2013-05-02 | Daimler Ag | Waste heat recovery device |
DE102011117057A1 (en) * | 2011-10-27 | 2013-05-02 | Daimler Ag | Waste heat recovery device |
DE102013103829A1 (en) | 2013-04-16 | 2014-10-16 | Robert Bosch Gmbh | Recuperation system for a motor vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE102005063056B4 (en) | 2008-10-30 |
DE202005021603U1 (en) | 2008-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: DEUTSCHE ENERGIE HOLDING GMBH, 44227 DORTMUND, DE |
|
8181 | Inventor (new situation) |
Inventor name: PRIEBE, KLAUS-PETER, 44227 DORTMUND, DE |
|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Representative=s name: PATENT- UND RECHTSANWAELTE MEINKE, DABRINGHAUS, DE |
|
R084 | Declaration of willingness to licence | ||
R081 | Change of applicant/patentee |
Owner name: PRIEBE, KLAUS-PETER, DE Free format text: FORMER OWNER: DEUTSCHE ENERGIE HOLDING GMBH, 44227 DORTMUND, DE Effective date: 20140625 |
|
R082 | Change of representative |
Representative=s name: PATENT- UND RECHTSANWAELTE MEINKE, DABRINGHAUS, DE Effective date: 20140625 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |