EP0095555A2 - Dispositif pour le préchauffage et/ou l'évaporation de combustible dans des brûleurs - Google Patents

Dispositif pour le préchauffage et/ou l'évaporation de combustible dans des brûleurs Download PDF

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Publication number
EP0095555A2
EP0095555A2 EP83101311A EP83101311A EP0095555A2 EP 0095555 A2 EP0095555 A2 EP 0095555A2 EP 83101311 A EP83101311 A EP 83101311A EP 83101311 A EP83101311 A EP 83101311A EP 0095555 A2 EP0095555 A2 EP 0095555A2
Authority
EP
European Patent Office
Prior art keywords
fuel
heat pipe
heat
cylinder jacket
extension
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Withdrawn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
EP83101311A
Other languages
German (de)
English (en)
Other versions
EP0095555A3 (fr
Inventor
Norbert Dr. Dipl.-Phys. Stiller
Heinrich Oehler
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.)
Buderus AG
Original Assignee
Buderus AG
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 Buderus AG filed Critical Buderus AG
Publication of EP0095555A2 publication Critical patent/EP0095555A2/fr
Publication of EP0095555A3 publication Critical patent/EP0095555A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details
    • F23D11/44—Preheating devices; Vaporising devices
    • F23D11/441—Vaporising devices incorporated with burners
    • F23D11/448—Vaporising devices incorporated with burners heated by electrical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details
    • F23D11/44—Preheating devices; Vaporising devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details
    • F23D11/44—Preheating devices; Vaporising devices
    • F23D11/441—Vaporising devices incorporated with burners
    • F23D11/443—Vaporising devices incorporated with burners heated by the main burner flame
    • F23D11/445—Vaporising devices incorporated with burners heated by the main burner flame the flame and the vaporiser not coming into direct contact

Definitions

  • the burners according to DE-OS 31 09 512 and the unpublished patent application P 31 23 078.4 may be mentioned as examples of burners with fuel evaporation.
  • the energy is supplied by electrical heating. This was chosen because it is relatively easy and easy to control.
  • the use of heating water or exhaust gases from the furnace has already been proposed.
  • the device for heating the fuel should be as simple as possible, it should preclude the use of expensive types of energy and it should be easy to regulate.
  • the device is characterized by the feature mentioned in claim 1.
  • the heat pipe open into a heat exchanger wall which is in heat exchange with the fuel.
  • the fuel hits this wall, which in an oil burner with a horizontal flame axis can be designed as a horizontal cylinder jacket in order to evaporate due to the energy supply.
  • the heat pipe which in this case is to be arranged approximately horizontally, is particularly suitable for conducting heat from the flame area to the evaporator wall.
  • a particularly advantageous design is present when the horizontal cylinder jacket forms a ring-shaped cavity, which forms a functional unit with the heat pipe opening at the bottom, due to the double-walled design.
  • the hollow cylinder jacket itself forms part of the heat pipe unit. The heat is optimally introduced to the fuel.
  • non-condensable gases For the purpose of regulation, it is advisable to add non-condensable gases to the working medium in the heat pipe. This results in temperature stabilization in the heat exchanger area.
  • the non-condensable gases experience one more depending on the temperature or lesser extent, thus the Schwarzme - dium provide a variable heat-exchange surface available. This leads to a controlled evaporation of the fuel.
  • an evaporator chamber consisting of a lying cylinder jacket 2, a rear closure plate 3 and a front nozzle plate 4 is arranged on the front side of a combustion chamber 1.
  • Fuel enters the evaporator chamber through a pipe socket 5 in order to be distributed uniformly on the inner surfaces of the cylinder jacket 2 by a rotating distributor 6. It is also possible to feed the fuel through the hollow drive shaft 7 of the distributor 6 and to throw it against the inner surfaces of the cylinder jacket 2.
  • the finely divided fuel is vaporized by the supply of energy and, after exiting through the nozzle opening 8, is connected to combustion air and burned.
  • An external guide tube 9 is used for the air supply, and the required fan can be arranged on the drive shaft 7 of the fuel distributor 6.
  • the energy for evaporating the fuel is drawn from the flame 11 through a heat pipe 10 during operation.
  • the working medium in the heat pipe 10 evaporates and flows to the opposite end, where it is given off by heat to the burner condensed again.
  • the cylinder jacket 2 is designed as a heat exchanger wall, either with a cylindrical cavity 12 (FIG. 2) or as a good heat-conducting evaporator wall 13 (FIG. 3).
  • the heat pipe 10 forms a functional unit with the cavity 12. It is particularly easy to achieve a temperature stabilization in the evaporator area for the controlled gasification of the fuel by adding non-condensable gases to the working medium.
  • the inserted or screwed-in heat pipe 10 transfers the heat to the good heat-conducting evaporator wall 13.
  • the heating of the fuel in the start-up stage is used in both cases by an additional electric heater 14, which automatically stops as soon as the heat pipe 10 generates sufficient heat.
  • External insulation 15 prevents heat loss.
  • an extension 16 of the heat pipe 10 is present, which may be cooled by combustion air.
  • the extension 16 can also have the shape of a separate heat pipe 16 ', which in the sectional drawing according to FIGS. 1 and 3 would lie in the plane of the electrical heater 14.
  • the non-condensable gases fill this extension 16 and, depending on the temperature, expand more or less towards the heat exchanger wall. This completely or partially clears the heat exchanger surface.
  • the invention is not restricted to the exemplary embodiment shown. Use in differently constructed evaporator chambers or for general fuel preheating is also the subject of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spray-Type Burners (AREA)
EP83101311A 1982-05-29 1983-02-11 Dispositif pour le préchauffage et/ou l'évaporation de combustible dans des brûleurs Withdrawn EP0095555A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3220482 1982-05-29
DE19823220482 DE3220482A1 (de) 1982-05-29 1982-05-29 Vorrichtung zum vorwaermen und/oder verdampfen des brennstoffes bei oelbrennern

Publications (2)

Publication Number Publication Date
EP0095555A2 true EP0095555A2 (fr) 1983-12-07
EP0095555A3 EP0095555A3 (fr) 1986-02-26

Family

ID=6164943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83101311A Withdrawn EP0095555A3 (fr) 1982-05-29 1983-02-11 Dispositif pour le préchauffage et/ou l'évaporation de combustible dans des brûleurs

Country Status (2)

Country Link
EP (1) EP0095555A3 (fr)
DE (1) DE3220482A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638510A1 (fr) * 1988-10-31 1990-05-04 Eberspaecher J Dispositif de chauffage pour vehicules automobiles et structures similaires, equipe d'un bruleur a vaporisation pour combustible liquide
WO2007033876A1 (fr) * 2005-09-24 2007-03-29 Siemens Aktiengesellschaft Dispositif de preparation d'un combustible pour combustion
WO2011120942A1 (fr) 2010-04-01 2011-10-06 Alstom Technology Ltd Procédé pour accroître le rendement d'une centrale équipée d'une turbine à gaz ainsi que centrale pour mettre en œuvre le procédé
EP2846092A3 (fr) * 2013-09-07 2015-03-25 Messer Austria GmbH Brûleur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT157472B (de) * 1936-03-12 1939-11-25 Reinhold Gritsch Einrichtung zur selbsttätigen Erwärmung der Brennerdüse motorisch betriebener Ölfeuerungs-einrichtungen.
CH532227A (de) * 1970-12-15 1972-12-31 Sulzer Ag Brennölvorwärmeinrichtung
JPS57112657A (en) * 1980-12-29 1982-07-13 Hitachi Ltd Solar heat collector

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638510A1 (fr) * 1988-10-31 1990-05-04 Eberspaecher J Dispositif de chauffage pour vehicules automobiles et structures similaires, equipe d'un bruleur a vaporisation pour combustible liquide
WO2007033876A1 (fr) * 2005-09-24 2007-03-29 Siemens Aktiengesellschaft Dispositif de preparation d'un combustible pour combustion
US8142186B2 (en) 2005-09-24 2012-03-27 Siemens Aktiengesellschaft Arrangement for preparation of a fuel for combustion
US8959923B2 (en) 2005-09-24 2015-02-24 Siemens Aktiengesellschaft Arrangement for preparation of a fuel for combustion
WO2011120942A1 (fr) 2010-04-01 2011-10-06 Alstom Technology Ltd Procédé pour accroître le rendement d'une centrale équipée d'une turbine à gaz ainsi que centrale pour mettre en œuvre le procédé
US8584465B2 (en) 2010-04-01 2013-11-19 Alstom Technology Ltd. Method for increasing the efficiency of a power plant which is equipped with a gas turbine, and power plant for carrying out the method
EP2846092A3 (fr) * 2013-09-07 2015-03-25 Messer Austria GmbH Brûleur

Also Published As

Publication number Publication date
EP0095555A3 (fr) 1986-02-26
DE3220482A1 (de) 1983-12-01

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT BE CH DE FR GB LI NL SE

PUAL Search report despatched

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Effective date: 19860404

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17Q First examination report despatched

Effective date: 19861215

18W Application withdrawn

Withdrawal date: 19870115

RIN1 Information on inventor provided before grant (corrected)

Inventor name: STILLER, NORBERT, DR. DIPL.-PHYS.

Inventor name: OEHLER, HEINRICH