Heating – Heat generator heats gas or liquid material in a flow structure – Material heated by mixing with combustion products of generator
Patent
1990-03-22
1991-10-29
Yuen, Henry C.
Heating
Heat generator heats gas or liquid material in a flow structure
Material heated by mixing with combustion products of generator
34 86, 432181, 432 72, F24H 100
Patent
active
050611771
ABSTRACT:
The invention relates to a process and a device for indirectly heating a flow of gaseous fluid. According to the invention, the flow of fluid to be heated is first subjected to a first heat exchange with combustion products, in a heat exchanger (3), and is subsequently subjected to a second heat exchange with a heat-exchanging fluid circulating in a second heat-exchanger (5). The flow of fluid to be heated is then circulated in a third exchanger (7) where it is subjected to a heat exchange with the combustion products before the latter are used at the time of the first heat exchange. The third heat exchanger (7) can comprise radiating tubes (51) and convection surfaces for heating the flow of fluid in circulation, essentially by convection.
REFERENCES:
patent: 3867102 (1975-02-01), Csathy
patent: 3917444 (1975-11-01), Carthew
patent: 4063590 (1977-12-01), McConnell
patent: 4152399 (1979-05-01), Germerdonk et al.
patent: 4169321 (1979-10-01), Nicholas
patent: 4324052 (1982-04-01), Boster
patent: 4870947 (1989-10-01), Kawamoto
Dominique Gosselin
Knipiler Gaston
Suhas Philippe
Gaz de France
Yuen Henry C.
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