F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
110/18
F23D 17/00 (2006.01)
Patent
CA 1281240
ABSTRACT OF THE DISCLOSURE A combustion apparatus for low concentration NOx for burning gas, oil and coal along the same axis, having over- come the drawbacks of the prior art, without hindering the whirling of the air and also having prevented clogging of the nozzle and combustion vibration is provided, which apparatus is provided with a means for carrying pulverized coal by a primary air, a means for feeding a gas fuel through a gas nozzle, a means for separating combustion air into a secondary air and a tertiary air and feeding these airs, and a means for feeding and spraying an oil, and which apparatus is characterized by providing an annular space part between the flow paths of the secondary air and the tertiary air; and also arranging the gas nozzle penetrating through the annular space part in a movable manner in the axial direction.
559853
Masai Tadahisa
Morita Shigeki
Nakashita Shigeto
Babcock-Hitachi Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
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