Steam generator having a superheater tube bank

Details Steam generator having a superheater tube bank Steam generator having a superheater tube bank

1982-08-17

1983-12-06

Favors, Edward G.

Liquid heaters and vaporizers

Steam treatment

Flue boiler

122235A, 122235K, 122511, F22G 300

Patent

active

044186525

ABSTRACT:
The steam generator has a combustion chamber which merges at the top into a combustion gas flue having walls in the form of evaporator tubes. A superheater tube bank is suspended in the combustion gas flue in front of the evaporator tubes. The superheater tubes are connected together in pairs to a common inlet at a lower end which passes through the evaporator tube banks while the evaporator tubes of the combustion chamber are connected in pairs to a single evaporator tube within the flue.
Retaining elements are provided to form a moving connection between the superheater tubes and the evaporator tube and provision is made to compensate for differences in expansion between the superheater tubes and the evaporator tubes at the top end of the superheater tube bank.

REFERENCES:
patent: 3263422 (1966-08-01), Gorzegno
patent: 4178881 (1979-12-01), Pratt
patent: 4244327 (1981-01-01), Ssinegurski
patent: 4245588 (1981-01-01), Gill et al.

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