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EP2616733A1 - Système d'huile pour l'alimentation en huile de lubrification d'une machine de travail et/ou d'entraînement - Google Patents

Système d'huile pour l'alimentation en huile de lubrification d'une machine de travail et/ou d'entraînement

Info

Publication number
EP2616733A1
EP2616733A1 EP11764677.8A EP11764677A EP2616733A1 EP 2616733 A1 EP2616733 A1 EP 2616733A1 EP 11764677 A EP11764677 A EP 11764677A EP 2616733 A1 EP2616733 A1 EP 2616733A1
Authority
EP
European Patent Office
Prior art keywords
oil
working
working medium
steam
heat
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.)
Withdrawn
Application number
EP11764677.8A
Other languages
German (de)
English (en)
Inventor
Joerg Nickl
Eberhard Bredel
Joerg Auerswald
Michael Bucher
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2616733A1 publication Critical patent/EP2616733A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/005—Arrangements for conditioning of lubricants in the lubricating system by evaporating or purifying
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/001—Heating

Definitions

  • the present invention relates to an oil system for supplying lubricating oil to a working and / or driving machine, in particular for lubricating oil supply of a steam engine, which is operated with a liquid or vaporous working medium.
  • a steam engine which is operated with a liquid or vaporous working medium.
  • vaporous working medium and another, at least in certain operating conditions gaseous working medium is used.
  • Work or drive machines to be provided with an oil system for lubricating oil supply to lubricate bearings or relatively moving parts and / or to the work machine or
  • Such a working machine as supplied in accordance with an embodiment of the present invention with lubricating oil, for example, a steam engine (steam expander) or a pump, in particular feed pump in a steam cycle.
  • lubricating oil for example, a steam engine (steam expander) or a pump, in particular feed pump in a steam cycle.
  • Work medium leading areas in particular the working space, can be achieved, for example, by providing a separate crankcase with
  • Oil carryover into the working medium This is on the one hand disadvantageous for the working medium circuit. On the other hand, this means oil loss in the oil system.
  • Such oil return involves the risk that due to an entrained in the working medium oil entrained working medium content
  • CONFIRMATION COPY Working fluid is added to the oil system and reduces the lubricity of the oil. Even at interfaces in the working and / or drive machine between the working medium and the oil system can in the worst case working medium penetrate into the oil system.
  • EP 1 525 912 A1 describes an arrangement for the treatment of engine oil in a motor vehicle, in which fuel contaminants in the engine oil are expelled in an electrically heated distillation space, thereby achieving high engine oil temperatures, so that only a very small proportion of the engine oil flow is always heated in the distillation space.
  • WO 2007/014942 A2 proposes to remove oil behind a steam expander from the
  • DE 100 54 032 A1 describes a heat engine operated with superheated steam with an oil separator.
  • the present invention has for its object to provide an oil system for
  • the oil system according to the invention which is designed in particular for lubricating oil supply to a steam engine and thus as part of a steam power system, the steam engine (or the other working and / or
  • gaseous working medium has a connected to the working and / or drive machine, in particular steam engine oil return to order from the working and / or drive machine (steam engine) and / or the working medium discharged oil into the working and / or
  • a separation device for exiting the working medium contained in the recirculated oil in the oil guide working fluid in the oil return, wherein the separation device has a heater for heating the recirculated oil, in particular up to partial or complete evaporation of the working medium contained in the recycled oil.
  • the heating device with heat from the working medium of the working and / or driving machine itself and / or with heat from a
  • Heat source for heating the working medium and to save heat for the purpose of heating the recirculated are used in the heater.
  • Used heater and it can be dispensed in particular to an electric heating.
  • an electric booster heater could be considered.
  • the working and / or driving machine is designed as a steam engine, with a vapor
  • the heat flow which is used for the evaporation of the working fluid, are also used for heating the recirculated oil in the heater.
  • Such heat flow can For example, be the waste heat flow of an internal combustion engine in a motor vehicle or a stationary system.
  • the heat flow from an exhaust gas stream of the internal combustion engine comes into consideration here.
  • heat from the working medium itself can be used as a heat source for the heater for heating the recirculated oil.
  • the heater a
  • Waste heat of the recirculated oil after it has been heated with the heater comes into consideration.
  • the heater can in
  • Flow direction of the recirculated oil in the flow of oil a preheater are preceded, which is particularly advantageous designed as liquid-liquid preheater, which on its one side with the discharged from the working and / or drive machine and / or the working fluid oil, which has the working fluid content , is applied to the preheating, and on its other side with the heated by the heater return oil, from which the working medium was excreted.
  • the preheater advantageously operates on the countercurrent principle, that is, the flow direction of the heated with the heater recirculated oil is opposite to the flow direction of the discharged oil.
  • two oil streams of the working and / or driving machine are returned, namely a first oil flow from an oil separator positioned in the working medium flow via a first oil flow
  • Oil return line which is connected on the oil side to the working and / or drive machine and is brought together with the first oil return line, for example in a collecting container.
  • a collecting container can be advantageous in the embodiment described above with preheater
  • Flow direction of the recirculated oil upstream of the preheater and a heating tank for receiving the recirculated, heated by the heater oil can be connected downstream of the sump and in particular the preheater, so that the discharged from the working and / or drive machine and / or the working fluid first in the collecting container, then through the preheater and then flows into the heating tank. From the heating tank, the heated oil can then as a heat transfer medium of others
  • the energy supplied to the heating tank is preheated energetically and extremely favorably, and the oil returned to the working and / or driving machine is cooled and thereby the heating tank from the outside
  • Drive machine is arranged, for example, as a steam engine or feed pump, in particular in a vehicle drive train, minimized.
  • the oil cooling is used to ensure a sufficient viscosity of the oil.
  • a steam power system according to the invention in particular for a motor vehicle, accordingly has a steam cycle in which the working medium circulates at least partially in the vaporous state.
  • a steam engine in particular a feed pump, and a capacitor arranged.
  • the steam engine and / or the feed pump is lubricated with an oil system according to the invention.
  • An oil separator is advantageous upstream of the condenser and downstream of the steam engine or in the region of
  • a suction device on the separation device in particular the heating tank and / or the
  • Such a suction device can be embodied, for example, as an ejector or comprise one which is aligned in the working medium flow in such a way that it generates a suction effect.
  • a favorable position for such an ejector is the area of the steam cycle between the steam engine and the
  • FIG. 1 shows a steam power system with a steam engine 1 and a condenser 4 in a steam circuit 21. Furthermore, one recognizes the feed pump 2 and the evaporator 22 as further conventional units of the steam cycle 21st
  • the feed pump 2 is associated with a bypass 23, with a bypass valve 18, the open position of which is determined by a sensor tank 17 which flows around the exhaust gas.
  • the sensor container 17 is connected via a capillary or other line to the bypass valve 18, such that the pressure or volume change of the trapped in the sensor container 17 volume in dependence of
  • Exhaust gas temperature actuates the valve body of the bypass valve 18 or more or less shifts, thereby the flow cross-section of the
  • Bypass valve 18 to change.
  • the actuation can be effected for example via a membrane.
  • the positioning of the sensor container 17 is present in the exhaust stream 24 of an internal combustion engine before or at the exhaust gas inlet of a heating tank 7, which will be discussed in detail later, provided. Positioning in another position is possible.
  • Part of the heat of the exhaust stream 24 is used to vaporize the
  • the evaporator 22 and the heating tank 7 may be parallel or in series with each other, in the latter preferably positioned with the heating tank 7 in front of the evaporator 22 or in a different order.
  • a check valve 16 is provided in the steam circuit 21, in particular directly at the outlet of the feed pump 2, which avoids a return flow of working medium.
  • a surge tank 19 is provided which avoids stronger pressure fluctuations due to the intermittent conveying, especially when using a Einzylinderhubkolbenpumpe with a longer Pumpenansaugtechnisch.
  • This pressure equalization tank 19 is in a simple form of a voluminous tube with additional gas-side pressure equalization line 20, which the gas side of
  • Pressure equalization tank 19 should advantageously be selected such that forms a liquid level in the surge tank 19.
  • the working medium reservoir 5 is placed immediately adjacent to the condenser 4. If this is not possible, then by a siphon 30 in the condenser outlet line of the
  • Liquid level of the working medium in the condenser 4 are set.
  • an oil separator 3 is provided, for example, as a cyclone separator
  • Working medium reservoir 5 are taken into account in the dimensioning of the entire Olvorrats.
  • this includes a first oil return line 26, which deposited in the oil separator 3
  • a throttle 14 in particular fixed throttle, can be provided and / or this first oil return line 26 may be designed as a capillary.
  • the working fluid-carrying outlet-side tube may be performed in the oil separator 3 as a dip tube 13.
  • the working medium-containing oil is finally passed into the heating tank 7.
  • the heating tank 7 Here it is by supplying heat by means of a
  • Heating device 28 is heated until the working medium evaporates from the oil.
  • Heating device 28 with exhaust this could be from the hot working medium
  • the working medium ethanol can be heated to more than 130 ° or 140 ° C., in particular to 150 ° C. or more.
  • the steamed working medium ethanol can be heated to more than 130 ° or 140 ° C., in particular to 150 ° C. or more.
  • Working fluid is from the heating tank 7 and in the present case also from the collecting container 6 via steam lines 9, 10 supplied to an ejector 8 in the steam cycle 21 between the oil separator 3 and the condenser 4, with the aid of the suction of the ejector 8.
  • a preheater 11 is provided in the separation device 25, through which the effluent from the heating tank 7
  • Oil pump 12 which is designed as a pressure-controlled pump or unregulated pump, in particular as a gear pump, brought in a conventional manner to the desired pressure and further supplied to the lubrication points of the steam engine 1 and / or the feed pump 2 becomes.
  • collecting container 6, preheater 11 and heating container 7 are mounted in a housing or container or other support structure, which is attached directly below the steam engine 1 as a larger oil pan.
  • the invention is particularly for lubricating oil supply of a steam engine and / or a feed pump of the type shown in one
  • Vehicle powertrain suitable wherein exhaust heat of an exhaust gas stream of an internal combustion engine for driving the vehicle to evaporate the Working medium of the steam cycle and for heating the recirculated oil to expel the working fluid from the recirculated oil, is used.

Landscapes

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

Abstract

L'invention concerne un système d'huile pour l'alimentation en huile de lubrification d'une machine de travail et/ou d'entraînement, en particulier d'une machine motrice à vapeur qui fonctionne à l'aide d'un milieu actif fluide ou à l'état de vapeur. Ledit système comporte un retour d'huile relié à la machine de travail et/ou d'entraînement, afin de recycler l'huile évacuée de la machine de travail et/ou d'entraînement et/ou du milieu actif dans la machine de travail et/ou d'entraînement, ainsi qu'un dispositif de séparation relié au retour d'huile et destiné à séparer le milieu actif contenu dans l'huile recyclée dans le retour d'huile, le dispositif de séparation comportant un dispositif de chauffage destiné à chauffer l'huile recyclée. L'invention est caractérisée en ce que le dispositif de chauffage destiné à chauffer l'huile recyclée est soumis à l'effet de la chaleur provenant du milieu actif et/ou à l'effet de la chaleur utilisée également pour chauffer le milieu actif fluide ou à l'état de vapeur permettant de faire fonctionner la machine de travail et/ou d'entraînement.
EP11764677.8A 2010-09-17 2011-09-16 Système d'huile pour l'alimentation en huile de lubrification d'une machine de travail et/ou d'entraînement Withdrawn EP2616733A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010045674 2010-09-17
PCT/EP2011/004651 WO2012034705A1 (fr) 2010-09-17 2011-09-16 Système d'huile pour l'alimentation en huile de lubrification d'une machine de travail et/ou d'entraînement

Publications (1)

Publication Number Publication Date
EP2616733A1 true EP2616733A1 (fr) 2013-07-24

Family

ID=44759642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11764677.8A Withdrawn EP2616733A1 (fr) 2010-09-17 2011-09-16 Système d'huile pour l'alimentation en huile de lubrification d'une machine de travail et/ou d'entraînement

Country Status (2)

Country Link
EP (1) EP2616733A1 (fr)
WO (1) WO2012034705A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3015660B1 (fr) 2014-10-31 2018-12-05 Orcan Energy AG Procédé pour le fonctionnement d'un cycle thermodynamique
DE102015104769A1 (de) * 2015-03-27 2016-09-29 Technische Universität Dresden Vorrichtung zur Nutzung der Exergie
FR3067384A1 (fr) * 2017-06-13 2018-12-14 Exoes Machine de detente et procede de demarrage d'une telle machine
BE1031272B1 (nl) * 2023-01-19 2024-08-19 Atlas Copco Airpower Nv Werkwijze en inrichting voor vermogensopwekking

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08100610A (ja) * 1994-09-30 1996-04-16 Hisaka Works Ltd バイナリー発電システム
US20090277416A1 (en) * 2008-05-09 2009-11-12 Toyota Boshoku Kabushiki Kaisha Diluting fuel-in-oil separating apparatus of internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB211844A (en) * 1923-02-20 1925-04-15 Crankless Engines Aus Propriet Improvements in totally-enclosed steam engines
DE10054032A1 (de) 2000-10-31 2002-05-08 Bosch Gmbh Robert Heizgerät mit integriertem Ausdehnungsgefäß
EP1525912B1 (fr) 2003-10-15 2006-08-09 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Dispositif pour le traitement de l'huile dans un moteur
EP1910650A2 (fr) 2005-08-03 2008-04-16 AMOVIS GmbH Dispositif d'entrainement
DE102007041944B3 (de) * 2007-09-04 2009-02-19 Gesellschaft für Motoren und Kraftanlagen mbH Vorrichtung zur Energieumwandlung, Kraft-Wärme-Kopplungsanlage mit einer derartigen Vorrichtung und Verfahren zum Betreiben einer ORC-Anlage
DE102010011737B4 (de) * 2010-03-17 2012-06-06 Henry Schwarz Verfahren und Vorrichtung zur Energieumwandlung
DE102010034153A1 (de) * 2010-08-11 2012-02-16 Voith Patent Gmbh Dampfenergieanlage und Verfahren für deren Betrieb

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08100610A (ja) * 1994-09-30 1996-04-16 Hisaka Works Ltd バイナリー発電システム
US20090277416A1 (en) * 2008-05-09 2009-11-12 Toyota Boshoku Kabushiki Kaisha Diluting fuel-in-oil separating apparatus of internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012034705A1 *

Also Published As

Publication number Publication date
WO2012034705A1 (fr) 2012-03-22

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