Nozzle pre-heating device in a prilling apparatus

Details Nozzle pre-heating device in a prilling apparatus Nozzle pre-heating device in a prilling apparatus

1978-11-14

1980-09-30

Arnold, Donald J.

Plastic article or earthenware shaping or treating: apparatus

Means making particulate material directly from liquid or...

264 13, B22D 1101

Patent

active

042252970

ABSTRACT:
A nozzle pre-heating device is provided for use in a tower for prilling molten substances. The device comprises a pre-heating chamber which is open only at the upper portion thereof for pre-heating a prilling nozzle and is closed at the bottom to shield the nozzle from the cooling effects of upper flowing gas in the prilling tower. The device is provided with means for moving either the nozzle or the pre-heating device from proximity to one another when the pre-heating device is not in use, thereby permitting free flow of the molten substance from the nozzle during normal operation of the prilling tower.

REFERENCES:
patent: 2510574 (1950-06-01), Greenhalgh
patent: 2898625 (1959-08-01), Chao
patent: 3642393 (1972-02-01), Ross et al.
patent: 3677669 (1972-07-01), Bliemeister

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