BURNER

BURNER

To provide a burner of a simple configuration capable of suitably burning fuel of a low calorific value such as ammonia fuel.SOLUTION: The burner comprises a combustion air pipe 3 to be supplied with preheated air for combustion, and a fuel nozzle 2 disposed in the combustion air pipe to eject the s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAGUCHI SHUHEI, NAKAI KAZUNARI, OKURA RINA, KAWAMOTO YUSAKU
Format: Patent
Sprache:eng ; jpn
Schlagworte:
AIR SUPPLY
BLASTING
BURNERS
COMBUSTION APPARATUS
COMBUSTION PROCESSES
DRAUGHT-INDUCING
FEEDING FUEL TO COMBUSTION APPARATUS
HEATING
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
WEAPONS
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Beschreibung
Zusammenfassung:To provide a burner of a simple configuration capable of suitably burning fuel of a low calorific value such as ammonia fuel.SOLUTION: The burner comprises a combustion air pipe 3 to be supplied with preheated air for combustion, and a fuel nozzle 2 disposed in the combustion air pipe to eject the supplied fuel of a low calorific value to burn the fuel in the combustion air pipe, with a combustion air flow path 5 defined between the fuel nozzle and the combustion air pipe to heat the fuel of a low calorific value in the fuel nozzle using the air for combustion. A plurality of heat transfer fins 2c is attached to an outer circumferential surface 2b of the fuel nozzle in a manner of being positioned in the combustion air flow path.SELECTED DRAWING: Figure 1 【課題】簡単な構成であって、アンモニア燃料などの低発熱量燃料を良好に燃焼させることが可能な燃焼装置を提供する。【解決手段】予熱された燃焼用空気が供給される燃焼空気管３と、燃焼空気管の内部に設けられ、供給される低発熱量燃料を噴出して燃焼空気管内で燃焼させる燃料ノズル２とを備え、燃料ノズルと燃焼空気管との間に、燃焼用空気で燃料ノズル内の低発熱量燃料を加熱する燃焼空気流路５が区画形成される。燃料ノズルの外周面２ｂには、燃焼空気流路に位置させて、熱伝達用のフィン２ｃが設けられる。【選択図】図１