Liquid heaters and vaporizers – Flue – Vertical
Patent
1990-02-07
1991-09-17
Manoharan, Virginia
Liquid heaters and vaporizers
Flue
Vertical
12223514, 159DIG16, 165147, 202205, 202262, 203 91, B01D 310, F28F 1300
Patent
active
050492403
ABSTRACT:
Vacuum distillation system which has a vacuum distillation column (1) having a column inlet (6), a bottom outlet (8) and a top outlet (10), a furnace (2) provided with a heat-exchange tube (27) having a tube inlet (28) and a tube outlet (29), and a connecting conduit (3) extending between the tube outlet (29) and the column inlet (6), wherein the inner diameter of the heat-exchange tube (27) increases along the length of the heat-exchange tube (27) to between 2.4 and three times the inner diameter of the tube inlet (28), and wherein the inner diameter of the connecting conduit (3) gradually increases along the length of the connecting conduit (3) to between 2.5 and 5.4 times the inner diameter of the tube outlet (29).
REFERENCES:
patent: 3492795 (1970-02-01), Guerrieri
patent: 3662716 (1972-05-01), Stevens
patent: 3675710 (1972-07-01), Ristow
patent: 3692103 (1972-09-01), Andoniev et al.
patent: 3724523 (1973-04-01), Mattern
patent: 4108241 (1978-08-01), Fortini et al.
patent: 4218226 (1980-08-01), Boozer
patent: 4292140 (1981-09-01), Kawasaki et al.
patent: 4405449 (1983-09-01), Trager
Hamer Johannes A.
Kanbier Dirk
Van Der Burg Cornelis J.
van der Heijden Pieter
Manoharan Virginia
Reper Ronald R.
Shell Oil Company
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