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Title:
OXYGEN TEMPERATURE RAISING DEVICE, AND HIGH-TEMPERATURE OXYGEN LANCE AND BURNER FOR FINELY POWDERED SOLID FUEL, EACH EQUIPPED WITH SAID DEVICE
Document Type and Number:
WIPO Patent Application WO/1987/003065
Kind Code:
A1
Abstract:
Oxygen temperature raising device using part of supplied oxygen for combustion purpose in order to raise the temperature of oxygen, a high-temperature oxygen lance equipped with said device and a burner for a finely powdered solid fuel. The oxygen temperature raising device (1) has a combustion chamber (4) for mixing a fuel and oxygen and burning the mixture, and oxygen ejection ports (8) are disposed around this combustion chamber. Oxygen ejected from the ports (8) forms a gas curtain between the flame (10) formed inside the combustion chamber and the inner wall (2) of the device and its temperature is raised by the flame. The high-temperature oxygen lance and the burner for the finely powdered solid fuel are equipped with the temperature raising device described above.

Inventors:
SUWA TOSHIO (JP)
KOBAYASHI NOBUAKI (JP)
HIRANO TAKASHI (JP)
Application Number:
PCT/JP1986/000582
Publication Date:
May 21, 1987
Filing Date:
November 14, 1986
Export Citation:
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Assignee:
NIPPON OXYGEN CO LTD (JP)
International Classes:
F23D1/00; F23D17/00; (IPC1-7): F23C7/06; F23D1/00; F23D17/00; F23L7/00
Foreign References:
JPS5236277Y21977-08-18
JPS5756061Y21982-12-03
JPS60105911U1985-07-19
JPS5817369B21983-04-06
JPS5135165A1976-03-25
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