EP2959144B1 - Dispositif et procédé destinés à la commande opérationnelle et en toute sécurité d'un moteur thermique - Google Patents
Dispositif et procédé destinés à la commande opérationnelle et en toute sécurité d'un moteur thermique Download PDFInfo
- Publication number
- EP2959144B1 EP2959144B1 EP14754834.1A EP14754834A EP2959144B1 EP 2959144 B1 EP2959144 B1 EP 2959144B1 EP 14754834 A EP14754834 A EP 14754834A EP 2959144 B1 EP2959144 B1 EP 2959144B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- path
- pressure
- pressure path
- working fluid
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 18
- 239000012530 fluid Substances 0.000 claims description 138
- 239000007791 liquid phase Substances 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
Definitions
- the invention has for its object to remedy or reduce at least one of the drawbacks of the prior art or at least provide a useful alternative to the prior art.
- a drain loop like the one described above could be a very useful tool for stopping the operation of the motor in a quick and efficient way.
- the high-pressure path must be drained of working fluid when the operation is to be stopped, and this requires in many cases that the evaporation of the fluid must be continued, while at the same time the working-fluid pump is stopped, in order then to evacuate the working fluid through the expander, possibly through a bypass, but wherein the working fluid will still be in the evaporated state as it is flowing out of the high-pressure path.
- Such a "normally open” fluid valve contributes to increased safety in that, in the event of a signal drop-out, it will drain the high-pressure path so that the expander stops.
- the mechanical energy is in turn converted into electric energy by means of the generator 48.
- the electric energy from the generator 48 is transferred as electric power P EL from the generator 48 via the power/electricity interface 10 to the electric-power converter 12.
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)
- Fluid-Pressure Circuits (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Claims (6)
- Un moteur thermique (1) comprenant:un détendeur (38) ;un récupérateur (28) ;un dispositif de chauffage (30) ;une pompe à fluide (20);un trajet de fluide de travail comprenant un trajet à haute pression (44) four communiquer un fluide de travail pompé depuis la pompe à fluide (20) vers le détendeur (38) sur un côté à haute pression, et un trajet à basse pression (60) pour communiquer le fluide de travail expansé du détendeur (38) sur un côté à basse pression, le moteur thermique (1) utilisant un fluide de travail condensable, qui, au moins en partie du trajet à haute pression (44) est en phase liquide, le trajet à haute pression (44) s'étendant au moins entre le récupérateur (28) et le détendeur (38) à travers le dispositif de chauffage (30), et le trajet à basse pression (60) s'étendant au moins entre le détendeur (38) et le récupérateur (28) ; caractérisé en ce qu'il comprend en outre un trajet de drainage de fluide (62) s'étendant entre un premier point de connexion (70) sur le trajet à haute pression et un deuxième point de connexion (72) sur le trajet à basse pression, le trajet de drainage de fluide étant au choix ouvert ou fermé afin de drainer du fluide de travail depuis le côté à haute pression vers le côté à basse pression,une première partie du trajet de drainage de fluide (62) étant reliée à une partie (74) du trajet à haute pression (44), dans lequel en fonctionnement normal, le fluide de travail est majoritairement en phase liquide, au niveau du premier point de connexion (70), le premier point de connexion (70) étant situé sur le trajet à haute pression en aval de la pompe à fluide (20) et étant en outre situé sur le trajet à haute pression entre le récupérateur (28) et le dispositif de chauffage (30), etune deuxième partie du trajet de drainage de fluide (62) étant reliée au trajet à basse pression (60) au niveau de deuxième point de connexion (72), le deuxième point de connexion (72) étant situé sur le trajet à basse pression entre le détendeur (38) et le récupérateur (28).
- Le moteur thermique (1) selon la revendication 1, caractérisé en ce que le trajet de drainage de fluide (62) est muni d'une vanne de drainage (64).
- Le moteur thermique (1) selon la revendication 2, caractérisé en ce que la vanne de drainage (64) est fermée à l'écoulement de fluide dans son état activé et est ouverte à l'écoulement de fluide dans son état non activé.
- Un procédé de commande de fonctionnement et de sécurité d'un moteur thermique (1), selon l'une quelconque des revendications précédentes, le procédé comprenant les étapes de:détecter une condition de fonctionnement dans le moteur thermique (1) qui puisse mener un fluide de travail présent dans le trajet haute pression (44) du moteur thermique (1) à atteindre une pression indésirablement haute et/ou une température indésirablement haute, ou, détecter que le fluide de travail présent dans le trajet haute pression (44) a atteint une pression indésirablement haute et/ou une température indésirablement haute, ou, détecter une condition de fonctionnement dans laquelle il est autrement désirable d'arrêter le fonctionnement du moteur thermique (1) de la manière la plus rapide possible;ouvrir le trajet de drainage de fluide (62); etlaisser une quantité de fluide de travail être drainée et ainsi être évacuée du trajet à haute pression (44) via le trajet de drainage de fluide (62) vers le trajet à basse pression (60).
- Le procédé selon la revendication 4, qui, en outre, comprend la mise à disposition du trajet de drainage de fluide (62) avec une vanne de drainage (64) et l'entraînement de la vanne de drainage (64) dans sa position ouverte chaque fois qu'il le besoin d'évacuer le fluide du trajet haute pression (44) se manifeste.
- Le procédé selon la revendication 4 ou 5, qui, en outre, comprend, laisser une quantité de fluide de travail être drainée du trajet à haute pression (44), la direction d'écoulement de la partie du fluide de travail étant évacuée et est toujours dans le trajet à haute pression 44 ayant été principalement inversé par rapport à la direction d'écoulement pendant le fonctionnement normal.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20130277A NO335230B1 (no) | 2013-02-19 | 2013-02-19 | Anordning og framgangsmåte for drifts- og sikkerhetsregulering ved en varmekraftmaskin |
PCT/NO2014/050023 WO2014129909A1 (fr) | 2013-02-19 | 2014-02-17 | Dispositif et procédé destinés à la commande opérationnelle et en toute sécurité d'un moteur thermique |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2959144A1 EP2959144A1 (fr) | 2015-12-30 |
EP2959144A4 EP2959144A4 (fr) | 2016-12-07 |
EP2959144B1 true EP2959144B1 (fr) | 2023-03-29 |
Family
ID=51391587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14754834.1A Active EP2959144B1 (fr) | 2013-02-19 | 2014-02-17 | Dispositif et procédé destinés à la commande opérationnelle et en toute sécurité d'un moteur thermique |
Country Status (8)
Country | Link |
---|---|
US (1) | US20160017757A1 (fr) |
EP (1) | EP2959144B1 (fr) |
JP (1) | JP6239008B2 (fr) |
KR (1) | KR20150117688A (fr) |
CN (1) | CN105074186A (fr) |
ES (1) | ES2947816T3 (fr) |
NO (1) | NO335230B1 (fr) |
WO (1) | WO2014129909A1 (fr) |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3384550A (en) * | 1966-12-29 | 1968-05-21 | Combustion Eng | Nuclear steamplant method and apparatus |
US3950949A (en) * | 1974-03-26 | 1976-04-20 | Energy Technology Incorporated | Method of converting low-grade heat energy to useful mechanical power |
JPS5925077A (ja) * | 1982-07-31 | 1984-02-08 | Aisin Seiki Co Ltd | スタ−リングエンジンの始動装置 |
US5361585A (en) * | 1993-06-25 | 1994-11-08 | General Electric Company | Steam turbine split forward flow |
DE4446605A1 (de) * | 1994-12-24 | 1996-06-27 | Abb Patent Gmbh | Ventil für eine Dampfturbine |
GB2376507A (en) * | 2001-05-03 | 2002-12-18 | S & C Thermofluids Ltd | An engine where the working gases in the cylinder are heated by injection of hot liquid |
DE10133153C1 (de) * | 2001-07-07 | 2002-07-11 | Gerhard Stock | Anordnung von Gasausdehnungselementen und Verfahren zum Betreiben der Anordnung |
US6981377B2 (en) * | 2002-02-25 | 2006-01-03 | Outfitter Energy Inc | System and method for generation of electricity and power from waste heat and solar sources |
JP2007009897A (ja) * | 2005-06-03 | 2007-01-18 | Denso Corp | 熱サイクル装置および高圧保護装置 |
JP2008231981A (ja) | 2007-03-19 | 2008-10-02 | Sanden Corp | 内燃機関の廃熱利用装置 |
CN101059085A (zh) * | 2007-05-24 | 2007-10-24 | 济南钢铁股份有限公司 | 转炉烟道余热饱和蒸汽发电方法及其系统设备 |
DE102008045450B4 (de) * | 2008-02-01 | 2010-08-26 | Siemens Aktiengesellschaft | Verfahren zum Betreiben eines thermodynamischen Kreislaufes sowie thermodynamischer Kreislauf |
JP4434286B2 (ja) * | 2008-03-06 | 2010-03-17 | 株式会社デンソー | 外燃機関 |
DE102008034977A1 (de) * | 2008-07-25 | 2010-03-25 | Voith Patent Gmbh | Dampfkreisprozessvorrichtung und Verfahren zur Steuerung derselben |
US8713939B2 (en) * | 2008-12-18 | 2014-05-06 | Mitsubishi Electric Corporation | Exhaust heat recovery system |
JP5163620B2 (ja) * | 2009-10-15 | 2013-03-13 | 株式会社豊田自動織機 | 廃熱回生システム |
EP2603673B1 (fr) * | 2010-08-13 | 2019-12-25 | Cummins Intellectual Properties, Inc. | Régulation de pression de condenseur à cycle de rankine au moyen d'une soupape de dérivation de dispositif de conversion d'énergie |
JP5552986B2 (ja) * | 2010-09-24 | 2014-07-16 | 株式会社豊田自動織機 | ランキンサイクル装置 |
SE535453C2 (sv) * | 2010-12-01 | 2012-08-14 | Scania Cv Ab | Arrangemang och förfarande för att omvandla värmeenergi till mekanisk energi |
DE102011075557A1 (de) * | 2011-05-10 | 2012-11-15 | Robert Bosch Gmbh | Leitungskreis und Verfahren zum Betreiben eines Leitungskreises zur Abwärmenutzung einer Brennkraftmaschine |
JP5597597B2 (ja) * | 2011-06-09 | 2014-10-01 | 株式会社神戸製鋼所 | 発電装置 |
US9745899B2 (en) * | 2011-08-05 | 2017-08-29 | National Technology & Engineering Solutions Of Sandia, Llc | Enhancing power cycle efficiency for a supercritical Brayton cycle power system using tunable supercritical gas mixtures |
-
2013
- 2013-02-19 NO NO20130277A patent/NO335230B1/no unknown
-
2014
- 2014-02-17 EP EP14754834.1A patent/EP2959144B1/fr active Active
- 2014-02-17 WO PCT/NO2014/050023 patent/WO2014129909A1/fr active Application Filing
- 2014-02-17 ES ES14754834T patent/ES2947816T3/es active Active
- 2014-02-17 CN CN201480009535.3A patent/CN105074186A/zh active Pending
- 2014-02-17 US US14/767,415 patent/US20160017757A1/en not_active Abandoned
- 2014-02-17 KR KR1020157024054A patent/KR20150117688A/ko not_active Application Discontinuation
- 2014-02-17 JP JP2015557969A patent/JP6239008B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP2959144A4 (fr) | 2016-12-07 |
US20160017757A1 (en) | 2016-01-21 |
NO335230B1 (no) | 2014-10-27 |
JP2016508567A (ja) | 2016-03-22 |
CN105074186A (zh) | 2015-11-18 |
JP6239008B2 (ja) | 2017-11-29 |
NO20130277A1 (no) | 2014-08-20 |
WO2014129909A1 (fr) | 2014-08-28 |
EP2959144A1 (fr) | 2015-12-30 |
ES2947816T3 (es) | 2023-08-21 |
KR20150117688A (ko) | 2015-10-20 |
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