Industrial electric heating furnaces – Resistance furnace device – For cooling
Patent
1998-12-15
2000-02-22
Hoang, Tu Ba
Industrial electric heating furnaces
Resistance furnace device
For cooling
373 76, 110336, 432233, F27D 900, F27D 100, F27D 112
Patent
active
060288825
ABSTRACT:
A cooling and heat recovery system for chemical processing vessels. An inner vessel is located within an outer vessel, defining a gap between the two vessels. A heat removal agent is pumped in and out of the gap thereby cooling the wall of the inner vessel which is exposed to exceedingly high temperatures within its interior. Baffling is provided within the gap to ensure the uniform and continuous flow of heat removal agent within the gap. The design of the system increases the rate and efficiency at which heat is transferred from the inner vessel wall to the heat removal agent. In one embodiment, at least one helical bar attached to the inner vessel wall enhances the heat transfer rate and efficiency. Each helical bar generates turbulent flow of the heat removal agent, which in turn enhances the heat transfer between the inner vessel wall and the heat removal agent. This cooling and heat recovery system may be used as a part of a larger heat recovery cycle in a system that uses a heat utilization stage, a cooling stage, and a surge tank.
REFERENCES:
patent: 4235173 (1980-11-01), Sharp
patent: 4443188 (1984-04-01), Buhler
patent: 4715042 (1987-12-01), Heggart et al.
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