Heat exchange – Heating and cooling – Heating and cooling of the same material
Patent
1975-08-28
1977-01-11
Davis, Jr., Albert W.
Heat exchange
Heating and cooling
Heating and cooling of the same material
23294R, 55269, 165111, 165172, 165176, B01D 700
Patent
active
040021980
ABSTRACT:
A finned tube heat exchanger for isolating sublimates, especially phthalic anhydride, in which the finned tubes arranged in parallel alongside one another and above one another and connected by headers and tube bends permit flow through them successively in the first, then the third, then the second and then the fourth row, and that the transverse fins are arranged in rows staggered laterally in opposite directions by an amount corresponding to from half the spacing to the whole spacing between adjacent fin edges.
REFERENCES:
patent: 1936284 (1933-11-01), Bergman
patent: 3609943 (1971-10-01), Richter
patent: 3819333 (1974-06-01), Brand et al.
Kassat Harry
Wagner Joachim
BASF - Aktiengesellschaft
Davis Jr. Albert W.
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