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Title:
COMBUSTION DEVICE FOR DISSIMILAR FUEL
Document Type and Number:
Japanese Patent JP3926749
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a combustion device for dissimilar fuel capable of stably burning liquid fuel and gas fuel, and even a gas fuel of a small calorific value.
SOLUTION: This combustion device for dissimilar fuel comprises a liquid fuel vaporizer 1 having a gasificating mixing chamber 5 for mixing the liquid fuel and the primary air, having burner ports 19a, 19b for liquid fuel for injecting the mixture gas as the first flame 16, on its upper part, and having a secondary air channel 11 on its center, a gas fuel nozzle 31 mounted on a central part of the secondary air channel 11, and having a burner port for gas fuel 19c where the gas fuel is circulated and injected as the second flame 15, on its tip part, and a central secondary air whirling means 32 for allowing the secondary air to circulate in a cylindrical space formed between the secondary air channel 11 and a gas fuel nozzle 31 to whirl the secondary air, and having a back-flow area near the burner port for gas fuel 19c to keep the second flame 15.


Inventors:
Koseki, Hideki
Application Number:
JP2003000029204
Publication Date:
June 06, 2007
Filing Date:
February 06, 2003
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F23D14/26; F23D17/00; F23C1/08; F23C6/02; F23D11/00; F23D11/10; F23D14/22; F23D23/00; F23L9/00; (IPC1-7): F23D17/00; F23C1/08; F23C6/02; F23D11/10; F23D14/22; F23D14/26; F23D23/00; F23L9/00
Domestic Patent References:
JP257810A
JP2078812A
JP6041056U
JP8165102A
JP782871Y2
JP63248702A
Attorney, Agent or Firm:
曾我 道照
曾我 道治
古川 秀利
鈴木 憲七
梶並 順