EP0014611A1 - Vorrichtung für die Rückgewinnung der Wärmeenergie der Rauchgase eines Verbrennungswärmeerzeugers für den Fall des Notbetriebes - Google Patents

Vorrichtung für die Rückgewinnung der Wärmeenergie der Rauchgase eines Verbrennungswärmeerzeugers für den Fall des Notbetriebes Download PDF

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Publication number
EP0014611A1
EP0014611A1 EP80400073A EP80400073A EP0014611A1 EP 0014611 A1 EP0014611 A1 EP 0014611A1 EP 80400073 A EP80400073 A EP 80400073A EP 80400073 A EP80400073 A EP 80400073A EP 0014611 A1 EP0014611 A1 EP 0014611A1
Authority
EP
European Patent Office
Prior art keywords
installation
boiler
supply
generator
turbine
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Withdrawn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
EP80400073A
Other languages
English (en)
French (fr)
Inventor
Edmond Girard
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.)
Messier SA
Original Assignee
Messier SA
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 Messier SA filed Critical Messier SA
Publication of EP0014611A1 publication Critical patent/EP0014611A1/de
Withdrawn legal-status Critical Current

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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
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • 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
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/18—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
    • F01K3/185—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters using waste heat from outside the plant

Definitions

  • the invention relates to an installation for recovering heat energy from the fumes of a combustion thermal generator, to ensure emergency operation of the generator, by means of a low temperature steam engine.
  • the most common installations comprising a combustion thermal generator, such as thermal treatment or cooking installations equipped with a combustion oven, household waste incineration plants equipped with an incinerator, or even heating installations equipped with a boiler in which the combustion of a fuel heats a fluid, for example water, circulating in a balloon contained in the boiler and flowing from there to radiators arranged in the premises to have the disadvantage that their operation is interrupted in the event of a failure in the supply of the various equipment which must consume energy to ensure the operation of the installation, such as fuel pump, burner, circulation pump or accelerator, as well as a draft fan, which are most often supplied directly from the electrical distribution network.
  • a combustion thermal generator such as thermal treatment or cooking installations equipped with a combustion oven, household waste incineration plants equipped with an incinerator, or even heating installations equipped with a boiler in which the combustion of a fuel heats a fluid, for example water, circulating in a balloon contained in the boiler and flowing from there to radiators arranged in the premises to have the disadvantage that their operation is interrupted in the event of
  • an installation according to one of the well-known types presented above the thermal generator of which is provided with a burner, and the fuel supply of which is ensured by a loading or supply device, and which also includes an airisi draft fan that a heat recovery exchanger arranged in the flue gas and combustion gas evacuation duct of the heat generator, is characterized in that the heat exchanger contains a boiler of working fluid of a low temperature steam engine to which it transmits heat energy collected in the smoke to drive a turbine, the output shaft of which delivers mechanical energy available to supply the loading or supply device, the burner and the fan in the event of interruption of the supply from the electrical distribution network.
  • the combustion thermal generator of an installation according to the invention can be a combustion furnace of a cooking or thermal treatment installation, or even an incinerator of an incineration installation, for example of household waste, but in a particular application case, the combustion thermal generator and the loading or supply device are respectively a boiler and its supply pump for a water heating installation heated in a tank placed in the boiler and supplying radiators thanks to an accelerator also driven, in normal condition from the electrical distribution network, and, in backup, from the available energy on the turbine output shaft.
  • the exchanger is crossed by the pipe of the hot water circuit coming from the tank located in the boiler, and an accumulator is preferably provided to supply, by means of two independent circuits, on the one hand, a pump of circulation of the steam engine as well as the accelerator of the hot water circuit, and, on the other hand, the supply pump, the burner, the draft fan, as well as a cooling fan for the condenser of the steam engine, the second circuit being supplied only when the power delivered by the turbine is sufficient.
  • an alternator can be driven, either directly by the turbine shaft, or by means of a hydraulic motor powered by a pump itself driven by the turbine.
  • a rectifier block is interposed between, on the one hand, the alternator and the electrical distribution network, and, on the other hand, the accumulator.
  • this installation comprises, on the one hand, a low temperature steam engine, block 1, in a closed circuit, having as the working fluid a refrigerant, this steam engine, of a type known per se , comprising, connected in series one after the other, a boiler 2, a turbine 3 constituting the engine of the steam, a condenser 4 and a circulation pump 5, and, on the other hand, a heating installation of a type also known, comprising a boiler 7, provided with a burner supplied with fuel from a tank 6 by a feed pump 8, and enclosing a balloon 10 of water thus heated and circulating in radiators 15 thanks to an accelerator 14.
  • the exchanger 12 is also traversed by the outlet pipe of the hot water tank 10, which is connected, downstream of the exchanger 12 and of the accelerator 14, to the radiators 15, thus ensuring the heating of the premises, the outlet pipe of these radiators 15 going to close the loop of heating by returning to the hot water tank 10.
  • the electrical distribution network supplies the various organs consuming energy, in this case the circulation and supply pumps 5 and 8 , the accelerator 14, the burner 9 as well as the fans 13 and 19.
  • the pump 8 supplies fuel to the burner 9 of the boiler 7, the water in the tank 10 reaches its operating temperature and circulates at across the previously described circuit; the fumes released by the boiler 7 pass through the exchanger 12 and envelop the boiler 2 of the low temperature steam engine.
  • the heat energy collected by the boiler 2 vaporizes the working fluid which is then transmitted to the turbine 3 delivering mechanical energy, itself transformed into electrical energy by means of a alternator 16 delivering through a block rectifier 18, in an accumulator 17 storing this energy in order to be able to retransmit it possibly to the devices to be driven.
  • the boiler 7 of the installation may be in one of the following two situations: either at its normal operating speed, or at idle or even at standstill , if the various radiators 15 of the installation are hot enough to meet the heating needs. In both case, when the failure on the network occurs, the organs such as pumps 5 and 8, burner 9, accelerator 14 and fans 13 and 19, are no longer supplied.
  • the boiler 2 continues to receive a certain calorific energy, on the one hand, from the fumes of the combustion in progress, and, on the other hand, from the hot water pipe, sufficient to ensure the drive of the turbine 3, which transmits its energy to the alternator 16, which flows into the rectifier 18 and then into the accumulator 17, which, as a result, can replace the faulty distribution network to supply both circuits 20 and 21, all the bodies ensuring the continuity of the proper functioning of the installation.
  • the working fluid of the low-temperature steam engine receives in the boiler 2, heat energy from the hot water of the heating circuit. heating, which constitutes a reserve, and in particular that contained in the balloon. 10.
  • the turbine 3 is then driven, but at too low a speed for the power delivered to be sufficient to drive the entire installation. Since, moreover, driving the entire installation from the accumulator would exhaust the latter before the power delivered by the turbine is sufficient to continue restarting the installation, provision is made the accumulator only initially supplies the accelerator 14 and the circulation pump 5 through the circuit 20, so that the hot water in the heating circuit transfers as much energy as possible calorific to boiler 2, and that the rotation speed of the turbine 3 be increased.
  • the accumulator supplies simultaneously, by the two circuits 20 and 21, not only the accelerator 14 and the pump 5, but also the pump 8, the burner 9 and the fan 13 of the boiler as well as the fan 19 for cooling the air condenser 4 of the steam engine 1.
  • the installation is thus able to autonomously ensure its restart and its operation until the main supply by the network can again be ensured.

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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)
EP80400073A 1979-01-31 1980-01-17 Vorrichtung für die Rückgewinnung der Wärmeenergie der Rauchgase eines Verbrennungswärmeerzeugers für den Fall des Notbetriebes Withdrawn EP0014611A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7902482 1979-01-31
FR7902482A FR2448039A1 (fr) 1979-01-31 1979-01-31 Application d'une machine a vapeur basse temperature a la recuperation d'energie calorifique des fumees d'un generateur thermique a combustion pour assurer le fonctionnement en secours du generateur, et installation ainsi obtenue

Publications (1)

Publication Number Publication Date
EP0014611A1 true EP0014611A1 (de) 1980-08-20

Family

ID=9221432

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400073A Withdrawn EP0014611A1 (de) 1979-01-31 1980-01-17 Vorrichtung für die Rückgewinnung der Wärmeenergie der Rauchgase eines Verbrennungswärmeerzeugers für den Fall des Notbetriebes

Country Status (3)

Country Link
EP (1) EP0014611A1 (de)
BR (1) BR8000363A (de)
FR (1) FR2448039A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2499622A1 (fr) * 1981-02-11 1982-08-13 Clesid Sa Dispositif de recuperation de la chaleur sensible des gaz issus d'un convertisseur d'acierie

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB567404A (en) * 1942-06-11 1945-02-13 Oerlikon Maschf Improvements in or relating to turbine power plant
CH460815A (de) * 1966-04-29 1968-08-15 Basf Ag Verfahren und Vorrichtung zur Ausnutzung von Wärme aus industriellen Anlagen und Anwendung des Verfahrens
FR1537390A (fr) * 1966-09-29 1968-08-23 Ass Elect Ind Dispositif de démarrage à turbine à vapeur dans une installation de turbine à gaz
US3945210A (en) * 1974-06-07 1976-03-23 Rodina Energy R & D Corporation Energy recovery
FR2359383A1 (fr) * 1976-07-21 1978-02-17 Messier Fa Procede et systeme pour la recuperation d'energie calorifique
GB1509040A (en) * 1975-12-24 1978-04-26 Tsung Hsien Kuo Generating power
GB1530126A (en) * 1975-12-22 1978-10-25 Oxley A Methods of and means for the storage of surplus energy

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB567404A (en) * 1942-06-11 1945-02-13 Oerlikon Maschf Improvements in or relating to turbine power plant
CH460815A (de) * 1966-04-29 1968-08-15 Basf Ag Verfahren und Vorrichtung zur Ausnutzung von Wärme aus industriellen Anlagen und Anwendung des Verfahrens
FR1537390A (fr) * 1966-09-29 1968-08-23 Ass Elect Ind Dispositif de démarrage à turbine à vapeur dans une installation de turbine à gaz
US3945210A (en) * 1974-06-07 1976-03-23 Rodina Energy R & D Corporation Energy recovery
GB1530126A (en) * 1975-12-22 1978-10-25 Oxley A Methods of and means for the storage of surplus energy
GB1509040A (en) * 1975-12-24 1978-04-26 Tsung Hsien Kuo Generating power
FR2359383A1 (fr) * 1976-07-21 1978-02-17 Messier Fa Procede et systeme pour la recuperation d'energie calorifique

Also Published As

Publication number Publication date
FR2448039A1 (fr) 1980-08-29
BR8000363A (pt) 1980-09-30

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Inventor name: GIRARD, EDMOND