Boiler for heating a working fluid

Details Boiler for heating a working fluid Boiler for heating a working fluid

1995-11-16

1998-05-12

Doerrler, William

Liquid heaters and vaporizers

Indirectly heated separate injected fluid

122 312, 1222091, F22B 102

Patent

active

057493286

ABSTRACT:
A boiler for heating a working fluid includes a first module containing the hearth, a burner fed by said fuel gas, and an internal water circuit for wetting the hearth and creating a first level of mass and heat exchange due to vaporization without heat transfer to the working fluid; a second module including an exchanger-condenser associated with the circuit portion for circulating the working fluid and receiving the combustion gases laden with water vapor coming from the hearth of the first module and a third module including a water vapor pump providing a third level of mass and heat exchange between the combustion gases coming from the second module and the oxidizing air injected into the enclosure via an air inlet, with a device for directing the oxidizing air to the first module after it has been heated and wetted by passing through the third module.

REFERENCES:
patent: 1877640 (1932-09-01), Baumann
patent: 4393815 (1983-07-01), Pedersen et al.
patent: 5097802 (1992-03-01), Clawson
patent: 5259341 (1993-11-01), Person
1142 Revue de l'Instuit Francais du Petrole 48 (1993) Mar./Apr., No. 2, Paris France, Mar. 1993.

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