Power plants – Motive fluid energized by externally applied heat – Heating motive fluid by nuclear energy
Patent
1977-11-10
1982-01-26
Davis, Albert W.
Power plants
Motive fluid energized by externally applied heat
Heating motive fluid by nuclear energy
165140, 16510431, 16510434, 376250, 376277, 376402, F28D 1500
Patent
active
043121845
ABSTRACT:
A fluid circulation system for heat exchangers having two groups of tubes through which primary and secondary fluids flow, the tubes of one group being interdigitated with the tubes of the other group, and a heat transfer material interposed between the two groups of tubes, whereby heat is transferred from the primary fluid through the heat transfer material to the secondary fluid. A shell forms a closure around the tubes and the heat transfer material, and the shell has tertiary fluid inlet and outlet means. Openings in the heat transfer material form passageways through which the tertiary fluid can flow from the inlet means, through the heat exchanger, to the outlet means. Piping connects the tertiary fluid outlet means to the tertiary fluid inlet means, forming a complete cycle. Installed in this piping is a heat removal system. If the secondary fluid flow is interrupted, the tertiary fluid provides a redundant means by which the heat of the primary fluid can be removed from the heat exchanger. Monitoring means can be inserted into the piping, to detect any leakages which may occur in the primary and secondary tubes. Condensers or desiccating material can be installed in the heat removal means to remove any liquids which may leak into the tertiary fluid. Additionally, if the tertiary fluid is a gas or vapor, a turbine can be inserted into the piping and the tertiary fluid's power utilized to provide energy to power the compressor or pump which is circulating the tertiary fluid. In an emergency, this turbine can be connected to an electrical generator and provide emergency power to the rest of the plant.
REFERENCES:
patent: 2936159 (1960-05-01), Boni Jr.
patent: 3670522 (1972-06-01), Bresin
patent: 3968653 (1976-07-01), Cachera
Davis Albert W.
Dermer Z. L.
Levine E. L.
Westinghouse Electric Corp.
Yatsko M. S.
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