DE4110693A1 - Central heating boiler with groups of burners - has individual groups brought into use to suit heating load - Google Patents

Central heating boiler with groups of burners - has individual groups brought into use to suit heating load

Info

Publication number
DE4110693A1
DE4110693A1 DE19914110693 DE4110693A DE4110693A1 DE 4110693 A1 DE4110693 A1 DE 4110693A1 DE 19914110693 DE19914110693 DE 19914110693 DE 4110693 A DE4110693 A DE 4110693A DE 4110693 A1 DE4110693 A1 DE 4110693A1
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DE
Germany
Prior art keywords
burners
burner
groups
boiler
central heating
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Withdrawn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
DE19914110693
Other languages
German (de)
Inventor
Des Erfinders Auf Nennung Verzicht
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19914110693 priority Critical patent/DE4110693A1/en
Publication of DE4110693A1 publication Critical patent/DE4110693A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D23/00—Assemblies of two or more burners
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

The central heating boiler has a single burner (B1) with an output of 3 kW and groups of burners (B2,B3) with outputs of 9kW and 18kW respectively. The boiler can be operated using only the 3kW burner in order to meet the base load demand. For higher heat loads the 3kW burner (B1) can be operated with either one of the other two burners (B2,B3) or with both of them. Each burner when in use operates at its individual full load and the number of burners in operation can be varied to suit loading requirements. The thermal efficiency of the boiler is thus increased and starting losses are reduced. USE/ADVANTAGE - Central heating boiler with separately controlled burners for improved combustion efficiency.

Description

Die Erfindung soll den brennerabhängigen Wirkungsgrad von Zentralheizungskesseln durch den Einsatz von variabel ansteuerbaren, unterschiedlich eingestellten Flächenbrennern, verbessern.The invention aims at the burner-dependent efficiency of central heating boilers through the use of variably controllable, differently set surface burners, improve.

Bei Flächenbrennern wird die Wärme über eine größere Fläche verteilt angeboten; bei Gebläsebrennern punkförmiger. Vormischung bedeutet: Brennstoff und Luft wird vor der Verbrennung durch Injektorwirkung oder gebläseunterstützt vorgemischt. Startgasverluste entstehen: Die Flammbildung und die volle Flammausbildung nach dem Ausströmen von Gas aus dem Brenner kann bei jedem Startvorgang bis zu 4 Sekunden dauern.With surface burners, the heat is distributed over a larger area offered; more punctiform in fan burners. Premix means: fuel and air are burned by injector action or premixed with a fan. Start gas losses arise: The flame formation and the full flame formation after the gas flows out of the burner, everyone can Starting process takes up to 4 seconds.

Grundlage:
Brenner arbeiten nur bei einem bestimmten Luft/Brennstoffverhältnis optimal. Abweichungen bedeuten Wirkungsgradverschlechterungen. Eine gleitende Regelung ist deshalb bei Normalkesseln (Nachfolgend unter A aufgeführt) nicht angebracht.Basis:
Burners only work optimally with a certain air / fuel ratio. Deviations mean deterioration in efficiency. A sliding control is therefore not appropriate for normal boilers (listed below under A).

Stand der Technik, Nachteile in Klammern.State of the art, disadvantages in parentheses.

  • A. Der Brenner wird durch An- und Abschalten dem Leistungsbedarf angepaßt. (Wirkungsgrad nicht optimal und Startgasverluste durch periodisches An- und Abschalten,)A. By turning the burner on and off, the power requirement customized. (Efficiency not optimal and start gas losses through periodic switching on and off,)
  • B. Die erforderliche Leistung wird auf mehrere Kessel, auch mit unterschiedlichen Leistungen, aufgeteilt. (Für kleine Anlagen nciht anwendbar, Anlagenkosten höher.)B. The required output is on several boilers, also with different performances. (For small plants not applicable, system costs higher.)
  • C. Die Leistung wird auf zwei Brenner innerhalb der Brennkammer eines Kessels mit jeweils einer Zünd- und Überwachungseinrichtung aufgeteilt. (Die Variationsbreite im Leistungsangebot wird nicht erreicht, mehr störanfällige Teile durch mehrfache Zünd- und Überwachungseinrichtungen.)C. The power is applied to two burners within the combustion chamber of a boiler, each with an ignition and monitoring device divided up. (The range of variation in the range of services is not achieved, more fault-prone parts due to multiple Ignition and monitoring devices.)
  • D. Leistungsbereitstellung durch Mehrstufenbrenner. (Die Variationsbreite wird nicht erreicht, verminderter Wirkungsgrad außerhalb der optimalen Einstellung z. B. bei Kleinstleistung)D. Provision of services by multi-stage burners. (The range of variation is not achieved, reduced efficiency outside of the optimal setting e.g. B. at low power)
  • E. Bei Großanlagen: Aufteilung der Leistung auf mehrere Brenner innerhalb eines Kessel, mit Gebläsebrenner. (Die Übertragung des Wirkprinzips auf Kleinkessel ist aus Kostengründen nicht möglich)E. For large plants: distribution of the power over several burners inside a boiler, with forced draft burner. (The transfer the principle of action on small boilers is not for cost reasons possible)

Als Beispiel ein Funktionsmodell der vorgeschlagenen Neuheit:As an example, a functional model of the proposed novelty:

Erforderliche Leistung 30 kW
erster Brenner 3 kW,
zweiter Brenner 9 kW,
dritter Brenner 18 WPower required 30 kW
first burner 3 kW,
second burner 9 kW,
third burner 18 W.

Durch zu-, ab- oder umschalten können folgende Leistungen erreicht werden:By switching on, off or switching over, the following services can be performed can be achieved:

Grundlast = 3 kW, Betriebsdauer während der Heizperiode 90%
3+9 kW = 12 kW, Betriebsdauer während der Heizperiode 60%
3+18 kW = 21 kW, Betriebsdauer während der Heizperiode 40%
3+9+18 kW = 30 kW, Betriebsdauer während der Heizperiode 8%Base load = 3 kW, operating time during the heating period 90%
3 + 9 kW = 12 kW, operating time during the heating period 60%
3 + 18 kW = 21 kW, operating time during the heating period 40%
3 + 9 + 18 kW = 30 kW, operating time during the heating period 8%

Vorteilhaft ist es beispielsweise den Grundlastbrenner mit kleiner Leistung, mittig und quer zu den zuschaltbaren Brennern, anzuordnen, so daß auch bei höheren Leistungen, größeren Kesseln, ein gutes überzünden vom Grundlast- zu den anderen Brennerabschnitten gegeben ist. For example, it is advantageous for the base load burner to be smaller Power to be arranged in the middle and across the switchable burners, so that even with higher outputs, larger boilers, a good ignition from the base load to the other burner sections given is.  

Stand der Technik ist weiter, daß für jeden einzeln ansprechbaren Brenner eine Zünd- und Überwachungseinrichtung erforderlich ist. Für die Neuentwicklung genügt eine Zünd- und Überwachungseinrichtung für den Grundlastbrenner, ein schnelles, sicheres und geräuschloses Überzünden zu den anderen Brennern ist gegeben.State of the art is further that for each individually addressable Burner an ignition and monitoring device required is. An ignition and monitoring device is sufficient for the new development for the base load burner, a fast, safe and noiseless ignition to the other burners is given.

Weitere Besonderheiten der Neuentwicklung:
Die Angebotspalette kann bereinigt werden, bisherige Kesselangebote: z. B. 7, 11, 15, 20, 25 und 30 kW Leistung. Die Kesselleistung wird durch die Steuerung dem Bedarf angepaßt, Über- oder Unterdimensionierungen entfallen.Other special features of the new development:
The range can be adjusted, previous boiler offers: z. B. 7, 11, 15, 20, 25 and 30 kW power. The boiler output is adapted to the needs by the control, oversizing or undersizing is eliminated.

Beschreibung zu Bild A:
Das Gas strömt durch die Leitung 1 zur Kombiarmatur 2, Druckregler und Sicherheitsabsperrventil. Regler geben über die Magnetventile 3 das Gas zu dem jeweiligen Brenner B1, B2 oder B3 frei. Die Verbrennungsluft erhält das Gas über die Mischeinrichtung 4. Damit durch den abgeschalteten Brenner keine wärmeaufnehmende Luft strömt, ist der Brenner beispielsweise nach Fig. B gekapselt. Primär- und Sekundärluft werden durch die Klappe 6 oder beispielsweise über einen schaltbaren Ventilator gesteuert. 5 ist die Brennkammer des Zentralheizungskessels. 1a der Fig. B ist die Gasleitung vom Brenner, 4a ist die Mischeinrichtung.Description for picture A:
The gas flows through line 1 to the combination valve 2 , pressure regulator and safety shut-off valve. Regulators release the gas to the respective burner B 1 , B 2 or B 3 via the solenoid valves 3 . The combustion air receives the gas via the mixing device 4 . So that no heat-absorbing air flows through the switched-off burner, the burner is encapsulated according to FIG. B, for example. Primary and secondary air are controlled by the flap 6 or, for example, by a switchable fan. 5 is the combustion chamber of the central heating boiler. 1 a to FIG. B, the gas line from the burner 4 a is the mixing device.

Claims (1)

Flächenbrenner mit Vormischung für Gasfeuerungen, angeordnet innerhalb einer Brennkammer, gekennzeichnet dadurch, daß
  • 1. Die erforderliche Leistung auf mehrere, einzeln ansprechbare Brenner aufgeteilt wird.
  • 2. Nach Anspruch 1, daß die einzelnen Brenner für unterschiedliche Leistungen ausgelegt sind.
  • 3. Nach Anspruch 1 und 2, daß die Brenner sich in einer gemeinsamen Brennkammer befinden.
  • 4. Nach Anspruch 1 und 2, daß die Brenner einzeln, wechselnd, gruppenweise, oder zusammen betrieben werden können.
  • 5. Nach Anspruch 1 bis 4, daß eine Zünd- und Überwachungseinrichtung den gesamten Brenner sichert.
  • 6. Nach Anspruch 1, 4 und 5, daß der Grundlastbrenner räumlich so angeordnet ist, daß sicheres Überzünden zu allen zusätzlichen Brennern gegeben ist.
Surface burner with premix for gas firing, arranged within a combustion chamber, characterized in that
  • 1. The required power is divided between several, individually addressable burners.
  • 2. According to claim 1, that the individual burners are designed for different performances.
  • 3. According to claim 1 and 2, that the burners are in a common combustion chamber.
  • 4. According to claim 1 and 2, that the burner can be operated individually, alternately, in groups, or together.
  • 5. According to claim 1 to 4, that an ignition and monitoring device secures the entire burner.
  • 6. According to claim 1, 4 and 5, that the base load burner is spatially arranged so that reliable ignition is given to all additional burners.
DE19914110693 1991-04-03 1991-04-03 Central heating boiler with groups of burners - has individual groups brought into use to suit heating load Withdrawn DE4110693A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19914110693 DE4110693A1 (en) 1991-04-03 1991-04-03 Central heating boiler with groups of burners - has individual groups brought into use to suit heating load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914110693 DE4110693A1 (en) 1991-04-03 1991-04-03 Central heating boiler with groups of burners - has individual groups brought into use to suit heating load

Publications (1)

Publication Number Publication Date
DE4110693A1 true DE4110693A1 (en) 1992-10-08

Family

ID=6428689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19914110693 Withdrawn DE4110693A1 (en) 1991-04-03 1991-04-03 Central heating boiler with groups of burners - has individual groups brought into use to suit heating load

Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0790463A2 (en) * 1996-02-17 1997-08-20 Furigas Assen B.V. Atmospheric burner
DE10062209A1 (en) * 2000-12-13 2002-03-14 Viessmann Werke Kg Gas burner has burner surface, mixer, edge part surrounding surface, and outlet for gas air mixture.
WO2004072546A1 (en) * 2003-02-13 2004-08-26 Hilko Siebels Fluid burner, burner module of a fluid burner of this type and method for controlling the same
WO2020043549A1 (en) * 2018-08-28 2020-03-05 Walerij Schlagin Burner unit for a heating system and method for operation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0790463A2 (en) * 1996-02-17 1997-08-20 Furigas Assen B.V. Atmospheric burner
DE19605918A1 (en) * 1996-02-17 1997-08-21 Furigas Assen Bv Atmospheric burner
EP0790463A3 (en) * 1996-02-17 1998-09-16 Furigas Assen B.V. Atmospheric burner
DE10062209A1 (en) * 2000-12-13 2002-03-14 Viessmann Werke Kg Gas burner has burner surface, mixer, edge part surrounding surface, and outlet for gas air mixture.
WO2004072546A1 (en) * 2003-02-13 2004-08-26 Hilko Siebels Fluid burner, burner module of a fluid burner of this type and method for controlling the same
WO2020043549A1 (en) * 2018-08-28 2020-03-05 Walerij Schlagin Burner unit for a heating system and method for operation

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