Nitrogen insertion protection system

Details Nitrogen insertion protection system Nitrogen insertion protection system

1996-12-27

1998-08-11

Bhat, Nina

Chemical apparatus and process disinfecting, deodorizing, preser

With safety feature

422145, 422147, 422213, 422219, 208173, 208174, G05B 900, C10G 3500

Patent

active

057924295

ABSTRACT:
Problems with pressure in a catalyst bed contained within a vessel arise where there is some sort of blockage in the bed such as a crust formed by a layer of catalyst particles sticking together. To overcome this problem control means is provided to coordinate the flow of nitrogen gas into the vessel and the resulting gas pressure build up and maintenance in the catalyst bed and in the bottom of the vessel as well as in the vapor space of the vessel above the catalyst bed.

REFERENCES:
patent: 4029599 (1977-06-01), Pegels
patent: 4933150 (1990-06-01), Haddad et al.
patent: 5338440 (1994-08-01), Sechrist et al.

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