Distillation: processes – thermolytic – Carbonizing under pneumatic pressure or vacuum
Patent
1996-09-06
1998-09-01
Cain, Edward J.
Distillation: processes, thermolytic
Carbonizing under pneumatic pressure or vacuum
C01B 4700
Patent
active
058006800
ABSTRACT:
The present invention relates to a system for fastening and sealing the flanges of the inlets of pressure vessels operating under extreme temperature conditions and with frequent opening/closing cycles, as is the case of coking vessels (5), consisting of an assembly of a flange of the tongue (1) and groove (2) type, a C-clamp (3), and a soft compression gasket (4). Such a system offers total remote control of the opening of the vessel inlets, resulting in greater safety, less unit downtime, and lower operating costs. The invention also relates to a method for opening inlets which results therefrom.
REFERENCES:
patent: 4498695 (1985-02-01), Pardo
Cain Edward J.
Petroleo Brasileiro S.A. - Petrobras
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