Heat exchange – Movable heating or cooling surface – Hollow strirrer or scraper
Patent
1977-12-16
1980-01-22
Myhre, Charles J.
Heat exchange
Movable heating or cooling surface
Hollow strirrer or scraper
165DIG5, 165 88, F28F 0000, F28D 1108
Patent
active
041845404
ABSTRACT:
Heat exchanger for the heating or cooling of a liquid, in particular of a suspension, comprises of a container provided with an inlet and an outlet and wherein there is disposed at least one rotatably mounted, substantially horizontal heat exchange unit having two end pieces between which heat transfer pipes have been fitted, and a conduit for conducting a heat-accepting or heat-releasing fluid through the end pieces and the heat transfer pipes of said heat exchange unit, a central tube concentrically disposed in relation to the rotational axis of the heat exchange unit between the end pieces among the heat transfer pipes, the diameter of the central tube being not less than 40% of the greatest distance between any two heat transfer pipes, measured at right angles to the rotational axis and that at least the lower edge of the outlet from the container in which the heat exchanger unit has been disposed being located at a level lower than the topmost part of the central tube so that the latter can be held above the free liquid level in the container.
REFERENCES:
patent: 1828799 (1931-10-01), Carlson
patent: 2205431 (1940-06-01), Olson
patent: 3182719 (1965-05-01), Christ
patent: 3351131 (1967-11-01), Berthold
patent: 3852892 (1974-12-01), Sheehan
Miller Carl Stuart
Myhre Charles J.
Ra-Shipping Ltd. Oy
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