Circulating fluidized bed boiler

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United States of America Patent

PATENT NO 10156354
APP PUB NO 20130284119A1
SERIAL NO

13882428

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Abstract

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A circulating fluidized bed boiler is disclosed. The circulating fluidized bed boiler comprising: a furnace defined and enclosed by water walls, a ceiling and an air distributor, the water walls comprising front and rear walls and left and right side walls (AJ, TK) formed by water cooling tubes, and the water walls are provided with secondary air ports (Y) in the lower part thereof, and furnace flue gas outlets (AB, EF, IJ, KL, OP, ST) being provided in an upper part of the furnace; at least two cyclones connected with the furnace flue gas outlets (AB, EF, IJ, KL, OP, ST); a loop-seal is connected with solid outlets of the cyclones and the lower part of the furnace, respectively; and a flue gas duct connected with flue gas outlets of the cyclones wherein the water cooling wall tubes of the water wall form at least one vertical columnar recessed segment (BCDE, FGHI, SRQP, ONML) recessed toward the inside of the furnace, and the at least one columnar recessed segment (BCDE, SRQP, ONML) extends at least 15% of the furnace height in a vertical direction.

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Patent Owner(s)

Patent OwnerAddress
INSTITUTE OF ENGINEERING THERMOPHYSICS CHINESE ACADEMY OF SCIENCES100190 NO 11 WEST FOURTH RING ROAD BEIJING HAIDIAN DISTRICT BEIJING CITY BEIJING CITY 100190

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bao, Shaolin Beijing, CN 3 2
Gao, Ming Beijing, CN 101 299
Li, Shiyuan Beijing, CN 18 85
Lv, Qinggang Beijing, CN 5 5
Song, Guoliang Beijing, CN 4 8
Sun, Yunkai Beijing, CN 5 8
Wang, Dongyu Beijing, CN 26 188

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