Liquid heaters and vaporizers – Water tube – Tube structure
Patent
1997-03-03
1999-11-09
Walberg, Teresa J.
Liquid heaters and vaporizers
Water tube
Tube structure
122 6A, F22B 3712
Patent
active
059793708
ABSTRACT:
A continuous-flow steam generator includes a combustion chamber of rectangular cross-section and combustion-chamber walls each having essentially vertically disposed evaporator tubes through which a flow medium can flow from the bottom towards the top. The tubes are connected to one another in a gas-tight manner by tube webs. In order to equalize a differing supply of heat into the evaporator tubes, a heat-absorbing surface formed from an individual evaporator tube and from the tube web assigned to that tube is smaller in the case of evaporator tubes in a middle region of the combustion-chamber wall than at a corner of the combustion chamber.
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"Steam Generator Concepts for Benson Steam Generators" (Franke et al.), VGB Kraftwerkstechnik 73, 1993, vol. 4, pp. 352-361.
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Walberg Teresa J.
Wilson Gregory A.
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