Carbonizing furnace

Details Carbonizing furnace Carbonizing furnace

1987-07-09

1989-04-11

Walberg, Teresa J.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219388, H05B 364

Patent

active

048209058

ABSTRACT:
A carbonizing furnace includes a heating chamber with a wall having channels therein, a carbon heater in the channels, a heat insulator composed of carbon fiber felt and a ceramic fiber felt which covers the heating chamber such that the carbon fiber felt is in contacting with the heating chamber and the ceramic fiber felt is separated by a space from the carbon fiber felt, and a housing enclosing the heating chamber and the heat insulator, and an inlet for filling the insulator with an inert gas. The carbonizing furnace can be run stably and continuously.

REFERENCES:
patent: 2823292 (1958-02-01), Kunzle
patent: 3361863 (1968-01-01), Lang
patent: 3641249 (1972-02-01), Higgins
patent: 3870468 (1975-03-01), Neti
patent: 4167915 (1979-09-01), Toole
patent: 4451926 (1984-05-01), Hogg
patent: 4517448 (1985-05-01), Crain

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