Heat exchange – Movable heating or cooling surface
Patent
1980-09-10
1983-09-20
Davis, Jr., Albert W.
Heat exchange
Movable heating or cooling surface
165 95, 16510414, 165 5, 165DIG12, F28D 1500
Patent
active
044050135
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
This invention relates to a heat pipe heat exchanger, and particularly to a heat pipe heat exchanger which includes first flow path means along which a first fluid of relatively high temperature flows, second flow path means along which a second fluid of relatively low temperature flows, and a plurality of heat pipes disposed across and through the two flow paths so as to transfer heat from the first fluid to the second fluid, and which transfers heat from the first fluid to the second fluid.
BACKGROUND ART
Heretofore, as a typical heat exchanger of this type, there has been a fixed type heat pipe heat exchanger in which a plurality of heat pipes is arranged and fixed as a group and the central portion thereof is partitioned to form two flow paths on opposite sides so that a high temperature fluid flows along one of the flow paths and a low temperature fluid flows along the other flow path, so as to intersect the heat pipe group and by utilizing the characteristic of the heat pipes, the heat obtained from the high temperature fluid is transferred to the low temperature fluid through a fluid enveloped in the heat pipes. This fixed type heat exchanger is simple in construction and easy to manufacture, where as it suffers from a disadvantage that when it is used with a highly corrosive or highly clogging fluid, certain particular pipes, for example, the pipes at the low temperature portion, are corroded and clogged earlier than the pipes at the other region and the maintenance such as interchange or cleaning of such pipes is difficult.
It is an object of the present invention to eliminate such a disadvantage peculiar to the prior art and to provide a heat pipe heat exchanger in which corrosion or clogging of heat pipes is not localized at a particular region.
It is another object of the present invention to provide a heat pipe heat exchanger the maintenance of which is easy.
DISCLOSURE OF INVENTION
These objects are achieved by the heat pipe heat exchanger according to the present invention which will hereinafter be described. That is, this heat pipe heat exchanger includes a rotor formed by said plurality of heat pipes disposed with such intervals that a first or second fluid can pass therebetween, and this rotor includes separating means fixed to the rotor and separating a first flow path therein from a second flow path, and the rotor is rotatable.
According to an aspect of the present invention, the rotor may generally be of a cylindrical shape and a plurality of heat pipes may be disposed near the periphery thereof.
According to another aspect of the present invention, the heat pipe heat exchanger may include drive means for rotating said rotor.
According to still another aspect of the present invention, said rotor may include a plurality of deflecting means radially disposed relative to the axis of the cylindrical shape so as to introduce a first of second fluid into and out of the center of the rotor.
BRIEF DESCRIPTION OF DRAWINGS
These features and other objects of the present invention will become more fully apparent from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic longitudinal cross-sectional view of the rotary type heat pipe heat exchanger according to the present invention.
FIG. 2 is a vertical cross-sectional view of the FIG. 1 heat exchanger taken along line II--II of FIG. 1.
BEST MODE FOR CARRYING OUT THE INVENTION
FIGS. 1 and 2 show an embodiment in which the rotary type heat pipe heat exchanger according to the present invention is applied to the gas to gas heat exchange, but it is apparent that the present invention is not limited to such gas heat exchange. In the Figures, a rotor 28 comprises two circular end plates 6, a suitable number of diaphragms 7 radially disposed with respect to a rotor shaft 10 and fixed to the two end plates 6, a suitable number of heat pipes 8 disposed in sector-shaped spaces formed between two adjacent diaphragms 7 and fixed to the two end plates 6, and a seali
REFERENCES:
patent: 3144900 (1964-08-01), Stockman
Davis Jr. Albert W.
Gadelius K.K.
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