Swept surface heat exchanger

Details Swept surface heat exchanger Swept surface heat exchanger

1976-12-06

1978-02-14

Lazarus, Ronald H.

Heat exchange

With scraper removing product from temperature modifying...

62354, 366312, F28F 700

Patent

active

040733394

ABSTRACT:
A stationary cylinder is jacketed to provide a first passage for a first heat exchange medium and forms a chamber for throughflow of a product to be heated or cooled. The cylinder contains a coaxial rotor comprising a shaft having a cylindrical outer surface and forming a second passage for a second heat exchange medium, whereby said stationary cylinder and said shaft surface are heated or cooled by said media. Each of a plurality of tubes has its opposite ends secured to the shaft and has an intermediate portion extending outside the shaft in spaced relation to its cylindrical outer surface. The second heat exchange medium is fed through one end portion of the shaft to adjacent ends of said second passage and said tubes and is discharged from the opposite ends thereof through the other end portion of the shaft. Scraper means protrude from the rotor between adjacent tubes and are operable to sweep the inner surface of the jacketed cylinder.

REFERENCES:
patent: 3206287 (1965-09-01), Crawford
patent: 3476522 (1969-11-01), Stovall
patent: 3955617 (1976-05-01), Walsh

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