Process for rendering reactors inert

Details Process for rendering reactors inert Process for rendering reactors inert

1995-04-12

1997-04-01

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

With safety feature

422110, 48192, 220 883, G05B 905, G05D 700, B65D 9044

Patent

active

056163029

ABSTRACT:
In chemical production processes having flammable substances in a reactor (1), the reactor is rendered inert by feeding an inert gas, while headspace gas is removed from the headspace of the reactor. This inert-rendering must also be maintained if the reactor must be opened during the production process. Even when inert gas locks (3) are used, the inert-rendering can only be reliably maintained in this case with a complex instrumental determination of the oxygen content in the reactor. This expense can be avoided by establishing and maintaining a certain difference between inert gas flowrate and head-space gas flowrate removed in a defined manner, which difference is specific to the particular production factors and is determined in advance.

REFERENCES:
patent: 2881057 (1959-04-01), Cole
patent: 3628758 (1971-12-01), Nichols
patent: 3777928 (1973-12-01), Kober
patent: 5220799 (1993-06-01), Lievens et al.

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