EP1491818B1 - Brûleur à combustion catalytique en matière poreuse et flacon équipé d'un tel brûleur - Google Patents

Brûleur à combustion catalytique en matière poreuse et flacon équipé d'un tel brûleur Download PDF

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Publication number
EP1491818B1
EP1491818B1 EP04291475A EP04291475A EP1491818B1 EP 1491818 B1 EP1491818 B1 EP 1491818B1 EP 04291475 A EP04291475 A EP 04291475A EP 04291475 A EP04291475 A EP 04291475A EP 1491818 B1 EP1491818 B1 EP 1491818B1
Authority
EP
European Patent Office
Prior art keywords
burner
zone
catalyst
catalytic combustion
peripheral surface
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.)
Expired - Lifetime
Application number
EP04291475A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1491818A1 (fr
Inventor
Corinne Gomez
Jannick Lehoux
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.)
Produits Berger SAS
Original Assignee
Produits Berger SAS
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Filing date
Publication date
Application filed by Produits Berger SAS filed Critical Produits Berger SAS
Publication of EP1491818A1 publication Critical patent/EP1491818A1/fr
Application granted granted Critical
Publication of EP1491818B1 publication Critical patent/EP1491818B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C13/00—Apparatus in which combustion takes place in the presence of catalytic material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D3/00—Burners using capillary action
    • F23D3/02—Wick burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/03081—Catalytic wick burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/31002—Wick burners with flame spreaders or burner hood
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/31004—Wick burners using alcohol as a fuel

Definitions

  • the present invention relates to a catalytic combustion burner made of porous material adapted to cooperate with a wick intended to supply the burner with a combustible composition which penetrates into the pores of said porous material, said burner comprising a peripheral zone which supports a catalyst and which surrounds a central zone without catalyst forming vaporization zone, the peripheral zone and the central zone being located in the upper part of the burner.
  • Such catalytic combustion burners in particular described in application WO 99/63267, conventionally have a substantially cylindrical peripheral surface.
  • the object of the present invention is therefore to overcome the aforementioned drawback of known burners and to provide a burner of the aforementioned type whose demolding is facilitated and which also has improved functional characteristics.
  • this catalytic combustion burner has a frustoconical peripheral surface which flares upwards.
  • the frustoconical structure allows easier removal of the burner without damaging the peripheral surface of the burner.
  • the frustoconical burner of the invention has a peripheral surface exchange greater dimension than that of a burner of the prior art having a peripheral surface of substantially cylindrical shape.
  • the heat exchange is greater during the implementation of a burner according to the invention, the air located near the burner, more heated, rises faster and consequently generates convection currents. more dynamic.
  • the half-angle at the top of the frustoconical peripheral surface of the burner is between 10 ° and 40 °, advantageously between 15 ° and 25 °, and preferably between 18 ° and 23 °.
  • the frustoconical peripheral surface of the burner has at least a first substantially peripheral shoulder and directed inwards and downwards to increase the diameter between a lower portion and an upper portion of the burner.
  • Such a structure makes it possible to further increase the exchange surface between the hot air and the burner and reinforces the contact between the rising hot air and at least a part of the peripheral surface of the burner, and therefore the thermal and chemical exchanges. .
  • a second aspect of the invention also relates to a catalytic combustion flask adapted to contain a liquid fuel composition and to receive, at its neck, a catalytic combustion burner adapted to cooperate with a wick dipping in said composition.
  • this bottle is equipped with a burner according to the first aspect of the invention.
  • FIGS. 1 to 5 are identified by identical reference numerals.
  • FIG. 1 shows a catalytic combustion flask 1 adapted to contain a liquid fuel composition 2 and to receive, at its upper part, a catalytic combustion burner 3 according to the invention.
  • This bottle 1 can be of any shape and has a neck 4 adapted to receive the catalytic burner 3.
  • the catalytic combustion burner 3 is made of a suitable porous material and adapted to withstand the temperatures of at least 400 ° C reached in the zone carrying the catalyst during the operation of the burner 3.
  • This material may in particular be a ceramic material, and for example prepared from kaolin or cordierite.
  • the catalytic combustion burner 3 is adapted to cooperate with a wick 5 dipping in said composition 2. This wick 5 is intended to bring to the burner 3 the fuel composition 2 which penetrates into the pores of the porous material.
  • the fuel composition 2 is a suitable fuel liquid, in accordance with the regulations in force and adapted to catalytic combustion and vaporization.
  • This combustible composition 2 may in particular be an alcohol, in particular isopropyl alcohol, and may further comprise a scented material and / or an active material.
  • the wick 5 is any known wick, for example a cotton wick.
  • the wick 5 may also be a wick of mineral material, for example a wick of mineral fibers, or a wick of porous material.
  • the catalytic combustion burner 3 may be provided at its lower part with a support (not shown) for its introduction, either directly into the neck 4 of the bottle 1, or into the central hole of a base (not shown). , the latter being adapted to be fixed at the neck 4 of the bottle 1.
  • the catalytic burner 3 has a solid structure and a frustoconical peripheral surface 3a which flares upwards.
  • This burner 3 comprises, at its upper part 3b, a peripheral zone 6, for example of annular shape, which supports a catalyst 7 and which surrounds a central zone 8 without catalyst forming vaporization zone.
  • the catalyst 7 is for example a metal belonging to group VIII of the periodic table of the elements.
  • the half-angle A at the top of the frustoconical peripheral surface 3a of the burner 3 is between 10 ° and 40 °, advantageously between 15 ° and 25 °, and preferably between 18 ° and 23 °.
  • the catalytic combustion burner 3 of FIG. 2 may be combined with a sleeve 9 so as to form a catalytic combustion system, such as the catalytic combustion system 10 shown in FIG.
  • This sleeve 9 is disposed in the extension of the lower part 3c of the burner 3.
  • This sleeve 9 is also made of a porous material, which may in particular be a ceramic material, for example prepared from kaolin or cordierite.
  • This sleeve 9 comprises a substantially axial cavity 11 adapted to grip the wick 5 in such a way that the fuel composition 2 can migrate from the pores of the upper part 9a of the sleeve 9 to the pores of the lower part 3c of the burner 3.
  • the junction between the lower parts 3c of the burner 3 and upper 9a of the sleeve 9 must be such that the migration of the fuel composition 2 of the sleeve 9 to the burner 3 is ensured. It is thus possible to provide mechanical interlocking and / or assembly by means of a porous seal.
  • FIG. 4 shows two half-views of a catalytic combustion burner 13 according to a second embodiment of the invention.
  • This burner 13 has a peripheral surface 13a of frustoconical shape which flares upwards.
  • This peripheral surface 13a has at least a first shoulder 14a, 14b substantially peripheral and directed inwardly and downwardly of said burner 13.
  • This first shoulder 14a, 14b has the effect of increasing the diameter between a lower portion 13c and an upper portion 13b of the burner 13.
  • the first shoulder 14a is formed in the substantially middle portion of the burner 13.
  • the first shoulder 14b is formed in the lower part 13c of the burner 13.
  • the first shoulder can obviously be located at a height different from those shown on the two half-views of Figure 4.
  • the deposition of the catalyst was made up to the first shoulder 14a, which thus separates the peripheral zone 16 supporting the catalyst 7 from the lower part 13c the catalyst-free burner 13 at the peripheral surface 13a of the burner 13.
  • the first shoulder 14b does not correspond to a demarcation zone for the location of the catalyst 7 at the peripheral surface 13a of the burner 13.
  • This first shoulder 14b is located in a part of the burner 13 which has no catalyst.
  • the burner 13 comprises, at least at its lower part 13c, a cavity 15 substantially axial, open downwards, adapted to receive, over all or part of its height, the upper end 5a of the wick 5 intended to bring at the burner 13 the combustible composition 2.
  • the end 5a of the wick 5 only partially fills the volume of the cavity 15 of the burner 13. However, it is quite possible to provide that this end 5a substantially completely fills said cavity 15, as in the case of the burner 23 shown in FIG.
  • the cavity 15, which opens at the lower end 3d of the burner 13, extends axially over a large part of the axial dimension of the burner 13.
  • This cavity 15 is closed, at the top 13b of the burner 13, by a wall 17.
  • the burner 13 has a substantially axial annular groove 19 extending from the upper surface 13e of the burner 13 downwards and separating the substantially annular peripheral zone 16 which supports the catalyst 7, of the central zone 18 of the upper part 13b of the burner 13.
  • this catalytic combustion burner 23 has a frustoconical peripheral surface 23a which flares upwards.
  • the upper part 23b of the burner 23 comprises an annular peripheral zone 26 supporting the catalyst 7 and surrounding a central zone 28 without catalyst, as well as a cavity 25.
  • the upper part 25a of the cavity 25 communicates with the atmosphere by the presence of at least one open channel 29 formed, for example, in the upper part 23b of the burner 23.
  • the channel 29 is located in the center of the central zone 28 and formed substantially axially.
  • This channel 29 has a cross section narrower than the cross section of the cavity 25 of the burner 23, so that the cavity 25 is closed at least partially, at the top 23b of the burner 23, by a wall 27 located in the central area 28.
  • the peripheral surface 23a has a first substantially peripheral shoulder 24 and a second substantially peripheral shoulder 30.
  • Each shoulder 24, 30 separates a portion of the burner 23, which is immediately larger and has a larger diameter, of another part of the burner 23, which is immediately below it and which is smaller in diameter.
  • this first shoulder 24 separates, at the level of the peripheral surface 23a of the burner 23, the annular peripheral zone 26 supporting the catalyst 7 of the lower part 23c of the burner 23 without catalyst 7.
  • Such a structural arrangement makes it possible to precisely determine the area of the burner 23 on which the catalyst 7 must be deposited.
  • the burners 13 and 23 shown in FIGS. 4 and 5 may be provided with a sleeve such as the sleeve 9 shown in FIG.
  • annular groove such as the annular groove 19 of FIG. 2, to separate the annular peripheral zones 6 and 26 from the central zones 8 and 28 of the burners 3 and 23, represented respectively in FIGS. part, and 5 on the other hand.
  • the upper part of the cavity 15 of the burner 13 of FIG. 4 is connected to the atmosphere by a channel, such as that represented in FIG. 5 and having the reference 29.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wick-Type Burners And Burners With Porous Materials (AREA)
  • Spray-Type Burners (AREA)
  • Catalysts (AREA)
  • Gas Burners (AREA)
EP04291475A 2003-06-27 2004-06-11 Brûleur à combustion catalytique en matière poreuse et flacon équipé d'un tel brûleur Expired - Lifetime EP1491818B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0307765 2003-06-27
FR0307765A FR2856775B1 (fr) 2003-06-27 2003-06-27 Bruleur a combustion catalytique en matiere poreuse et flacon equipe d'un tel bruleur

Publications (2)

Publication Number Publication Date
EP1491818A1 EP1491818A1 (fr) 2004-12-29
EP1491818B1 true EP1491818B1 (fr) 2006-08-23

Family

ID=31985454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04291475A Expired - Lifetime EP1491818B1 (fr) 2003-06-27 2004-06-11 Brûleur à combustion catalytique en matière poreuse et flacon équipé d'un tel brûleur

Country Status (15)

Country Link
US (1) US7241136B2 (pt)
EP (1) EP1491818B1 (pt)
JP (1) JP3814601B2 (pt)
KR (1) KR100717614B1 (pt)
CN (1) CN1271368C (pt)
AT (1) ATE337522T1 (pt)
CA (1) CA2470072C (pt)
DE (2) DE602004002037T2 (pt)
ES (1) ES2238209T3 (pt)
FR (1) FR2856775B1 (pt)
HK (2) HK1056485A2 (pt)
MY (1) MY136766A (pt)
PT (1) PT1491818E (pt)
SG (1) SG126733A1 (pt)
TW (1) TWI232918B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2856775B1 (fr) 2003-06-27 2005-08-19 Prod Berger Bruleur a combustion catalytique en matiere poreuse et flacon equipe d'un tel bruleur
KR100727624B1 (ko) * 2005-06-14 2007-06-13 주식회사 아이파워 비연소 및 무소음 방식의 촉매히터
US20070202450A1 (en) * 2006-02-08 2007-08-30 The Board Of Regents, The University Of Texas System Catalytic burner for combustion of liquid fuels
FR2905164B1 (fr) * 2006-08-23 2012-12-21 Prod Berger Composition a base de carbure de silicium pour bruleur a combustion catalytique en matiere poreuse.
FR2905163B1 (fr) * 2006-08-23 2008-10-17 Prod Berger Soc Par Actions Si Bruleur a combustion catalytique, dispositif de support pour bruleur, et ensemble bruleur-dispositif de bruleur avec events.
FR2905165B1 (fr) * 2006-08-23 2008-10-10 Prod Berger Soc Par Actions Si Bruleur a combustion catalytique presentant un embout particulier et flacon equipe d'un tel bruleur.
US10041669B2 (en) * 2006-10-12 2018-08-07 Stonewick, Llc Catalytic burner
CA2702099A1 (en) * 2006-10-12 2008-04-17 Stonewick, Inc. Catalytic burner
FR2950257B1 (fr) 2009-09-22 2012-01-20 Prod Berger Ensemble pour la diffusion d'une composition dans l'air
GB201321309D0 (en) * 2013-12-03 2014-01-15 Ashleigh & Burwood A Catalytic fragrance burner assembly and a method of manufacture thereof
PL2896407T3 (pl) * 2014-01-15 2019-04-30 Dc & Bv France Holding Sas Urządzenie do rozpraszania substancji chemicznej
US11877687B2 (en) 2015-07-27 2024-01-23 The United States Of America As Represented By The Secretary Of The Army Heater and cookware for flameless catalytic combustion
US10584869B2 (en) 2015-07-27 2020-03-10 The United States Of America As Represented By The Secretary Of The Army Heater
KR101953846B1 (ko) 2016-09-30 2019-03-06 대한민국 농축액 플라스크
FR3061543B1 (fr) * 2016-12-30 2019-08-23 Produits Berger Bruleur a combustion catalytique en materiau poreux a performances de fonctionnement optimisees et flacon equipe d'un tel bruleur
JP1614249S (pt) * 2017-02-13 2018-09-25
FR3090420B1 (fr) * 2018-12-21 2020-12-11 Berger Produits Procede de depot d’un catalyseur a la surface d’un bruleur a combustion catalytique

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US1956749A (en) * 1931-01-09 1934-05-01 Terret Henri Georges Catalytic heating device
US2938343A (en) * 1944-12-16 1960-05-31 Robert H Canfield Combustion flask for liquid oxidants and fuels
US3240256A (en) * 1963-11-19 1966-03-15 Canadian Patents Dev Catalytic heater
JPS5784907A (en) 1980-11-18 1982-05-27 Matsushita Electric Ind Co Ltd Combustor
DE3436310A1 (de) * 1984-10-03 1986-04-10 Globol-Werk Gmbh, 8858 Neuburg Verdampfervorrichtung fuer in feste traegermaterialien eingelagerte wirkstoffe, wie pyrethrum
FR2579465B1 (fr) * 1985-03-27 1987-09-11 Berger Sa Produits Dispositif pour la diffusion atmospherique de produits actifs en phase gazeuse
FR2610390B1 (fr) * 1987-01-29 1990-09-07 Berger Sa Produits Bruleur a combustion catalytique
JPH03241212A (ja) * 1990-02-19 1991-10-28 Toshiba Corp 触媒燃焼装置
FR2680118B1 (fr) * 1991-08-09 1995-02-10 Senteurs Parfums Cie Procede pour diffuser par catalyse un liquide combustible melange a un produit parfume, assainissant, deodorant, insecticide, expectoriant ou autre et diffuseur catalytique mettant en óoeuvre ce procede.
US6162046A (en) * 1995-05-10 2000-12-19 Allports Llc International Liquid vaporization and pressurization apparatus and methods
FR2779509B1 (fr) 1998-06-04 2000-07-07 Prod Berger Bruleur a combustion catalytique en matiere poreuse et flacon equipe d'un tel bruleur
FR2821749B1 (fr) * 2001-03-08 2003-05-30 3E Degre Sa Bruleur-diffuseur catalytique pour diffuseur de parfum
TW513531B (en) 2001-07-23 2002-12-11 Yi-Cheng Liou Method for producing burning head of aroma essential oil and product thereof
FR2856775B1 (fr) 2003-06-27 2005-08-19 Prod Berger Bruleur a combustion catalytique en matiere poreuse et flacon equipe d'un tel bruleur

Also Published As

Publication number Publication date
CN1271368C (zh) 2006-08-23
CN1576693A (zh) 2005-02-09
HK1072098A1 (en) 2005-08-12
ATE337522T1 (de) 2006-09-15
DE04291475T1 (de) 2005-06-23
FR2856775B1 (fr) 2005-08-19
US7241136B2 (en) 2007-07-10
ES2238209T1 (es) 2005-09-01
EP1491818A1 (fr) 2004-12-29
KR100717614B1 (ko) 2007-05-15
JP2005016925A (ja) 2005-01-20
FR2856775A1 (fr) 2004-12-31
DE602004002037D1 (de) 2006-10-05
HK1056485A2 (en) 2004-01-30
DE602004002037T2 (de) 2007-02-15
JP3814601B2 (ja) 2006-08-30
US20050037309A1 (en) 2005-02-17
PT1491818E (pt) 2006-12-29
CA2470072C (fr) 2008-08-19
KR20050005706A (ko) 2005-01-14
CA2470072A1 (fr) 2004-12-27
TW200500572A (en) 2005-01-01
MY136766A (en) 2008-11-28
ES2238209T3 (es) 2007-04-16
TWI232918B (en) 2005-05-21
SG126733A1 (en) 2006-11-29

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