Liquid heaters and vaporizers – Indirectly heated – Separate fluid
Patent
1983-01-31
1984-12-25
Yuen, Henry C.
Liquid heaters and vaporizers
Indirectly heated
Separate fluid
122 34, F22B 104
Patent
active
044897880
ABSTRACT:
In the casing of a steam generator there are provided a vertically extending manifold having a first chamber for admitting a heat carrier of the primary circuit and a second chamber for removing the heat carrier of the primary circuit, said chambers being isolated from one another, bundles of tubes for conveying the heat carrier of the primary circuit, said tubes defining a heat dispersing surface, a horizontally extending annular manifold for admitting feed water to the intertube space, a steam separator provided upstream the heat dispersing surface in the steam flow direction, the steam separator being secured to the casing, and a means for returning recirculation water back to the intertube space, said means being connected to the steam separator. The annular manifold extends concentrically with the vertically extending manifold and communicates with a pipe for supplying feed water. Inlet portions of the tubes of each bundle are radially fixed to the manifold and communicate with the first chamber and outlet portions of the tubes of each bundle are radially fixed to the manifold and communicate with the second chamber. A pipe for admitting feed water to the intertube space and a pipe for removing steam to a user are secured to the casing of the steam generator.
The heat dispersing tubes of each bundle extend in parallel with the vertical axis of the manifold. The inlet and outlet portions of the tubes in each bundle are bent and have their concave side facing toward the manifold.
REFERENCES:
patent: 3227142 (1966-01-01), Bell et al.
patent: 3376858 (1968-04-01), Romanos
patent: 3557760 (1971-01-01), Romanos
patent: 3751886 (1973-08-01), Sokolowski
patent: 3804069 (1974-04-01), Bennett
Andreev Leonid M.
Filippov Gennady A.
Glebov Vladimir P.
Grishakov Viktor I.
Kuzmin Alexei V.
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