FIELD: tubular furnaces for heating liquid and gaseous heat-transfer agents in oil refining and petrochemical industries.
SUBSTANCE: proposed tubular furnace includes radiant and convective chambers with heating surfaces, burner units and smoke stack; it is also provided with detachable filters in form of rotary tubular elements made from microporous material; one element is located between radiant and convective chambers and other element is located at convective chamber outlet before smoke stack.
EFFECT: enhanced operational reliability; intensification of heat exchange in radiant and convective chambers.
2 dwg
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Authors
Dates
2005-02-20—Published
2003-05-23—Filed