Gaseous fluid supply system for a vessel

Details Gaseous fluid supply system for a vessel Gaseous fluid supply system for a vessel

1987-09-21

1988-12-20

Hornsby, Harvey C.

Agitating

By injecting gas into mixing chamber

Plural gas feeders

222195, 406 15, 406134, 406136, 406137, B01F 1302

Patent

active

047922354

ABSTRACT:
A system for supplying a gas under pressure to a vessel such as a blender for particulate material which includes a central vertical lift column for recirculating material through the vessel to achieve blending. The system uses a first source of gas under pressure which may be a low pressure source suitable for a continuous operation of the blending apparatus. The system also is connected to a high pressure source of air such as plant air which is utilized as a supplemental source of air under pressure for initial start-up of the apparatus. A control system is provided which regulates the flow of the high pressure air to the gas supply conduit which acts as a reservoir for high pressure air. The control system allows the gas supply conduit to be pressurized. This high pressure source flows rapidly to the vessel at start-up to break an initial head of material which may be lodged in the vertical lift column of the blending apparatus thereafter the high pressure source of air is no longer utilized in normal blending operation.

REFERENCES:
patent: 3905650 (1975-09-01), Freeman
patent: 3976331 (1976-08-01), Kluger et al.
patent: 4059311 (1977-11-01), Spitzer et al.
patent: 4223044 (1980-09-01), Se
patent: 4389143 (1983-06-01), Nadin et al.
patent: 4515503 (1985-05-01), Snowdon
patent: 4569596 (1986-02-01), Romanchik et al.
patent: 4642944 (1987-02-01), Fairhurst et al.

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