CLOSED COMBUSTION BURNER SANDWICH-LAYER HEAT EXCHANGE STRUCTURE

WIPO Patent Application WO/2018/192442

A1

Disclosed is a closed combustion burner sandwich-layer heat exchange structure, comprising: a closed combustion chamber (3), air intake layers (6) and flue gas layers (5), wherein the air intake layers (6) are staggered and overlapped with the flue gas layers (5), vertical tubes (7) communicating between each air intake layer (6), vertical tubes (8) also communicating between each flue gas layer (5); combusted flue gas being collected in the flue gas layers (5) by means of a gas discharge passage and finally being collected in a gas discharge tube through each flue gas layer (5) by means of the vertical tubes (8); a gas tube is arranged in the flue gas layers (5), a gas jet entering the air intake layer (6) below a pre-mixing chamber (4) through a partition, at the same time, the air forcibly entering the air intake layer (6) from an air intake (9), and moving layer by layer through the vertical tubes (7) between each air layer, and finally entering the pre-mixing chamber (4) together with gas injected from the gas tube (13); when high-temperature flue gas and low-temperature air/gas pass through these layers, a gas stream exchanging heat via a wall face, so as to realize heat exchange between high-temperature flue gas and room-temperature air/gas.

LIU YUANYU (CN)

PCT/CN2018/083198

October 25, 2018

April 16, 2018

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SHENZHEN YUANJIANG SCIENCE AND TECH CO LTD (CN)

F23D14/18; F23D14/02

WO1998012480A1

1998-03-26

US4094297A	1978-06-13
CN204806395U	2015-11-25

SHENZHEN HUI INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)

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