EP0235789A2 - Brûleur pour combustibles gazeux - Google Patents

Brûleur pour combustibles gazeux Download PDF

Info

Publication number
EP0235789A2
EP0235789A2 EP87102953A EP87102953A EP0235789A2 EP 0235789 A2 EP0235789 A2 EP 0235789A2 EP 87102953 A EP87102953 A EP 87102953A EP 87102953 A EP87102953 A EP 87102953A EP 0235789 A2 EP0235789 A2 EP 0235789A2
Authority
EP
European Patent Office
Prior art keywords
burner
jacket
distribution plate
mixer
mixture distribution
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.)
Granted
Application number
EP87102953A
Other languages
German (de)
English (en)
Other versions
EP0235789B1 (fr
EP0235789A3 (en
Inventor
Hans Ing. Berg
Kurt Cremer
Norbert Kolberg
Ludwig DR.-Ing. Müller
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.)
EON Ruhrgas AG
Original Assignee
Ruhrgas 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 Ruhrgas AG filed Critical Ruhrgas AG
Publication of EP0235789A2 publication Critical patent/EP0235789A2/fr
Publication of EP0235789A3 publication Critical patent/EP0235789A3/de
Application granted granted Critical
Publication of EP0235789B1 publication Critical patent/EP0235789B1/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
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/82—Preventing flashback or blowback
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes

Definitions

  • the invention relates to a Bremnner for gaseous fuels with a mixer and a cylindrical, perforated burner jacket connected downstream of the mixer, which is closed at its end by a burner cover.
  • a burner of the type mentioned is known from US Pat. No. 1,026,982. This burner is intended to achieve a high burner output with a minimum of fuel and exhaust gas. In the meantime, further requirements have been placed on burners for gaseous fuels, which the known burner cannot meet:
  • the burners should be able to be operated with gases of different qualities without changes to the burner having to be made when the gas quality changes.
  • the burners should have great flame stability within the largest possible range of use for gases with different Wobbe indices.
  • the flame stability should be so great that load fluctuations of at least 39%, based on the nominal load, are possible.
  • the invention is therefore based on the object to provide a burner of the type mentioned, which has a high flame stability, so that it can be operated with gases, in particular natural gases, of different types.
  • the burner according to the invention is characterized in that a connection piece which widens conically towards the burner jacket is provided in connection with the overstoichiometric premixing mixer, and that the hexagonally arranged passage openings of the burner jacket, the thickness of which is less than 0.5 mm, have a hydraulic diameter of 0.8 to 1.5 mm.
  • the main advantage of the invention is the achievement of the object. It is also advantageous that the exhaust gases from the burner have an extremely low NO x content due to the over-stoichiometric mixing of fuel gas and air. In addition, the burner is structurally simple and can be operated without cooling.
  • the narrow end of the transition piece encloses the bores of the mixer designed as a hole mixer, the hole circle diameter of which is smaller than the diameter of the burner jacket.
  • a coaxial mixture distribution plate the thickness of which is at least 0.35 mm, is advantageously arranged within the burner jacket. It has holes whose hydraulic diameter is approximately 1 to 3 mm, preferably approximately 1 mm. This measure supports flame stability.
  • the mixture distribution plate also serves as a kickback protection. If the flames burning on the outside of the burner jacket blow back through this, a further blow back by the mixture distribution plate is prevented.
  • the diameter of the mixture distribution plate is 20 to 40 mm smaller than the diameter of the burner jacket.
  • the mixture distribution plate tapers towards the burner cover.
  • cylindrical or the conical mixture distribution plate extends only over the area of the burner jacket adjacent to the burner cover. This promotes the uniformity of the flame pattern.
  • the burner jacket and the mixture distribution plate consist of aluminum-containing nickel-free chrome steel.
  • the heat resistance is particularly good with this material.
  • the fuel gas flows through a gas nozzle 1 into a chamber 2 of a mixer 3 designed as a hole mixer.
  • the combustion air is supplied to the chamber 2 with the aid of a blower (not shown).
  • the mixture flows through holes 3 'and a conically widening transition piece 4 in a cylindrical burner jacket 5.
  • the thickness of the burner jacket is less than 0.5 mm.
  • the burner jacket 5 has hexagonally arranged passage openings, the hydraulic diameter of which is 0.8-1.5 mm.
  • the hexagonal arrangement of the passage opening 6 achieves a high degree of perforation and thus a high specific exit surface load.
  • the burner has a burner cover 7 at the upper end.
  • a coaxial mixture distribution plate 8 is arranged inside the burner casing 5 and tapers towards the burner cover 7. It is at least 0.35 mm thick and has holes 9, the hydraulic diameter of which is approximately 1 to 3 mm, preferably approximately 1 mm.
  • the cylindrical mixture distribution plate 8 does not extend over the entire burner jacket, but only over the area adjacent to the burner cover 7.
  • the diameter of the mixture distribution plate 8 is 20 to 40 mm smaller than the diameter of the burner jacket 5.
  • the burner jacket 5 and the mixture distribution plate 8 are made of 1.4725 (CrAl steel plate).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
EP87102953A 1986-03-01 1987-03-02 Brûleur pour combustibles gazeux Expired - Lifetime EP0235789B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8605654U DE8605654U1 (de) 1986-03-01 1986-03-01 Brenner für gasförmige Brennstoffe
DE8605654U 1986-03-01

Publications (3)

Publication Number Publication Date
EP0235789A2 true EP0235789A2 (fr) 1987-09-09
EP0235789A3 EP0235789A3 (en) 1988-09-21
EP0235789B1 EP0235789B1 (fr) 1990-10-31

Family

ID=6792278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87102953A Expired - Lifetime EP0235789B1 (fr) 1986-03-01 1987-03-02 Brûleur pour combustibles gazeux

Country Status (2)

Country Link
EP (1) EP0235789B1 (fr)
DE (2) DE8605654U1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960378A (en) * 1987-09-26 1990-10-02 Ruhrgas Aktiengesellschaft Gas burner
EP0392573A1 (fr) * 1989-04-14 1990-10-17 Daalderop B.V. Brûleur à rayonnement
US5062788A (en) * 1989-01-10 1991-11-05 Haden-Schweitzer Corporation High efficiency linear gas burner assembly
WO1992012381A1 (fr) * 1991-01-07 1992-07-23 Ruhrgas Aktiengesellschaft Bruleur a gaz et procede pour son utilisation
ES2063694A2 (es) * 1993-03-29 1995-01-01 Gineste Pierre Marty Carburador para un quemador de gas.
US5447427A (en) * 1991-09-24 1995-09-05 Kabushiki Kaisha Kobe Seiko Sho Burner and method for burning low calorific gas
NL1005494C2 (nl) * 1997-03-11 1998-09-14 Fasto Nefit Bv Gasbrander.

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4101260A1 (de) * 1991-01-17 1992-07-23 Ruhrgas Ag Stellorgan fuer die zweistufige leistungsregelung von gas-geblaesebrennern
DE9102991U1 (de) * 1991-03-13 1992-07-16 Vießmann, Hans, Dr., 3559 Battenberg Gas-Flächenbrenner
DE4115814A1 (de) * 1991-05-15 1992-12-03 Ruhrgas Ag Gas-geblaesebrenner
DE4208611C2 (de) * 1992-03-18 1995-05-18 Ruhrgas Ag Atmosphärischer Gasbrenner mit einem schachtförmigen, einen Luftstrom führenden Gehäuse
DE102007048795A1 (de) 2007-10-10 2009-04-16 Viessmann Werke Gmbh & Co Kg Brenner
CN105805750B (zh) * 2016-05-05 2017-11-14 邓良 燃烧器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1026982A (en) * 1910-06-13 1912-05-21 David Hamilton Burner.
GB231596A (en) * 1924-01-08 1925-04-08 William M Crane Company Improvements in or relating to gas and like heating stoves
DE3110301A1 (de) * 1980-03-17 1982-01-14 Saunier Duval Eau Chaude Chauffage - S.D.E.C.C., 93107 Montreuil-sous-Bois Brenner mit einem vorgemisch aus luft und blasgas
US4561840A (en) * 1983-03-04 1985-12-31 Toyotomi Kogyo Co., Ltd. Safety device for oil burner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1026982A (en) * 1910-06-13 1912-05-21 David Hamilton Burner.
GB231596A (en) * 1924-01-08 1925-04-08 William M Crane Company Improvements in or relating to gas and like heating stoves
DE3110301A1 (de) * 1980-03-17 1982-01-14 Saunier Duval Eau Chaude Chauffage - S.D.E.C.C., 93107 Montreuil-sous-Bois Brenner mit einem vorgemisch aus luft und blasgas
US4561840A (en) * 1983-03-04 1985-12-31 Toyotomi Kogyo Co., Ltd. Safety device for oil burner

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960378A (en) * 1987-09-26 1990-10-02 Ruhrgas Aktiengesellschaft Gas burner
US5062788A (en) * 1989-01-10 1991-11-05 Haden-Schweitzer Corporation High efficiency linear gas burner assembly
EP0392573A1 (fr) * 1989-04-14 1990-10-17 Daalderop B.V. Brûleur à rayonnement
WO1992012381A1 (fr) * 1991-01-07 1992-07-23 Ruhrgas Aktiengesellschaft Bruleur a gaz et procede pour son utilisation
US5447427A (en) * 1991-09-24 1995-09-05 Kabushiki Kaisha Kobe Seiko Sho Burner and method for burning low calorific gas
ES2063694A2 (es) * 1993-03-29 1995-01-01 Gineste Pierre Marty Carburador para un quemador de gas.
NL1005494C2 (nl) * 1997-03-11 1998-09-14 Fasto Nefit Bv Gasbrander.
EP0864813A1 (fr) * 1997-03-11 1998-09-16 Nefit Fasto B.V. Brûleur à gaz

Also Published As

Publication number Publication date
EP0235789B1 (fr) 1990-10-31
DE3765798D1 (de) 1990-12-06
EP0235789A3 (en) 1988-09-21
DE8605654U1 (de) 1987-07-02

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