Double-fired processing furnace

Details Double-fired processing furnace Double-fired processing furnace

2006-06-13

2006-06-13

Bhat, N. (Department: 1764)

Distillation: apparatus

Apparatus

Systems

C202S241000, C422S198000, C422S200000, C122S510000, C122S511000, C432S209000

Reexamination Certificate

active

07060164

ABSTRACT:
The present invention concerns a processing furnace used by the oil industry to heat feedstocks that are to be treated thermally, which is provided with bi-pivotal support columns to carry the radiation exchange tubes which form the coil of radiation exchange tubes. The support columns are provided with a lower bearing and an upper bearing means, which pivot, respectively, on a lower support and an upper guide, in such a way that all the stresses from the support and the radiation exchange tubes are transmitted to the base, causing no thermal stress from bending momentum to be transmitted to the base of the furnace.

REFERENCES:
patent: 4986222 (1991-01-01), Pickell et al.
patent: 5078857 (1992-01-01), Melton
patent: 6178926 (2001-01-01), Worman
patent: 6237545 (2001-05-01), Barnett et al.
patent: 6264798 (2001-07-01), Gibson et al.
patent: PI 9707097-1 (2000-02-01), None

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