Liquid heaters and vaporizers – Stand boiler
Patent
1994-12-28
1995-08-22
Yeung, James C.
Liquid heaters and vaporizers
Stand boiler
1223671, 126 91A, 431215, 165 4, 165 93, 432180, 432181, F22B 500
Patent
active
054430402
ABSTRACT:
A pipestill heater capable of increasing heat efficiency without using a large-sized oxidizing agent heating unit. The pipestill heater includes a radiation section and a convection section for preheating process fluid by exhaust gas of an elevated temperature discharged through a gas discharge path. A combustion device including a combination of a burner and a heat exchanger is arranged on a furnace floor constituting a part of a furnace wall. The heat exchanger includes a regenerator heated by exhaust gas to heat an oxidizing agent and a duct structure including an oxidizing agent passage and an exhaust passage. The regenerator is rotated relative to both passages. Exhaust gas is guided through both a gas discharge path and an exhaust passage.
REFERENCES:
patent: 4392818 (1983-07-01), Wunning
patent: 4856492 (1989-08-01), Kawamoto
patent: 4926842 (1990-05-01), Watson
patent: 5275556 (1994-01-01), Hirose
Kaji Hitoshi
Yoshioka Toshiaki
Chiyoda Corporation
Yeung James C.
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