Free-expansion boiler with replaceable heat exchanger tubes

Details Free-expansion boiler with replaceable heat exchanger tubes Free-expansion boiler with replaceable heat exchanger tubes

1979-06-21

1981-04-21

Yuen, Henry C.

Liquid heaters and vaporizers

Water tube

Wall structure

122235E, 122365, F22B 3710

Patent

active

042626358

ABSTRACT:
A boiler having an elevated water supply, steam collector drum with a plurality of depending heat exchange tubes, the tubes being connected to the drum to provide a supply path for water from the boiler drum and a return path for steam and water to the boiler drum, the tubes being connected to a single drum facilitating the removal and replacement of defective tubes and servicing of the drum.

REFERENCES:
patent: 1005333 (1911-10-01), Schreier
patent: 1021204 (1912-03-01), McNaull
patent: 1621505 (1927-03-01), Hartmann et al.
patent: 1980785 (1934-11-01), Coulson, Jr.
patent: 1980820 (1934-11-01), Nerad
patent: 2184333 (1939-12-01), Biggs
patent: 2209974 (1940-08-01), Jacobus
patent: 2327750 (1943-08-01), Turner

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