Premixed low-nitrogen gas boiler

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United States of America Patent

PATENT NO 11859867
APP PUB NO 20230349591A1
SERIAL NO

18053776

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A premixed low-nitrogen gas boiler is provided, which includes a reversed flow-swirl mixer being opposite mixing of natural gas and air. A flow deflector is arranged at a gas mixture outlet of the reversed flow-swirl mixer. An upper flow equalizing plate and a lower flow equalizing plate are arranged below the flow deflector, the upper flow equalizing plate is positioned above the lower flow equalizing plate, and a channel for enhancing mixing of gas mixture is formed between the upper flow equalizing plate and the lower flow equalizing plate. A comb-shaped water-cooled burner is arranged at the rear end of the lower flow equalizing plate, a combustion chamber is arranged at the rear end of the comb-shaped water-cooled burner, hearth tube bundles are arranged in a ladder-shaped convergent hearth, and the hearth tube bundles form an inner loop with a working medium water-steam mixture in a hearth water tank.

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Patent Owner(s)

Patent OwnerAddress
XI'AN JIAOTONG UNIVERSITY710049 NO 28 WEST XIANNING ROAD SHAANXI XI'AN XI'AN CITY SHAANXI PROVINCE 710049
HENAN YUANDA BOILER CORPORATION LTDGANXIAO RD WESTERN INDUSTRIAL DISTRICT XIHUA COUNTY ZHOUKOU CITY 466600

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Hongzhong Xi'an, CN 2 21
Niu, Yanqing Xi'an, CN 1 0
Tian, Mao Xi'an, CN 13 81
Zhao, Jun Xi'an, CN 550 12849

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