Steam generator

Details Steam generator Steam generator

1995-10-17

1998-06-02

Doerrler, William

Liquid heaters and vaporizers

Indirectly heated separate injected fluid

431 4, 431353, F22B 102, F23J 700

Patent

active

057586055

ABSTRACT:
Method and apparatus for generating steam in which water is fed directly into a combustion zone which is configured in such a manner that water cannot by-pass the zone. A steam generator may be comprised of three conduits arranged coaxially with one another which carry fuel, oxygen, and feed water to a fuel-oxygen mixing zone and a combustion zone. Alternatively, a generator may be comprised of two concentric conduits which carry water and a mixture comprised of fuel and oxygen to a combustion zone. Steam flows out of the generator through a restriction at one end of the outermost conduit. In one embodiment, the combustion zone extends into a housing which communicates with and is attached to the outermost conduit. The invention provides very high thermal efficiency and very low atmospheric emissions.

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