Furnace preheater

Details Furnace preheater Furnace preheater

1980-06-02

1981-12-22

Camby, John J.

Heating

Heat generator heats gas or liquid material in a flow structure

With means utilizing the heated material for heating work

34224, 432 30, 432226, F24H 100

Patent

active

043068596

ABSTRACT:
A preheater suitable for a laboratory furnace provides improved furnace temperature uniformity and atmosphere control. The preheater comprises a rectangular chamber which is adapted to be placed in the bottom of the furnace chamber. The preheater includes a pair of longitudinal passageways on opposite sides of the preheater chamber. There is a plurality of perforations in the top wall at one end of the preheater and along each passageway for distributing preheated air or other gas into the furnace chamber. In a preferred embodiment, the preheater is made of stainless steel, and the preheater chamber contains stainless steel wool which aids in heat transfer.

REFERENCES:
patent: 2343345 (1944-03-01), Touton
patent: 2512326 (1950-06-01), Harrison
patent: 2718854 (1955-09-01), Michaelis
patent: 3581679 (1971-06-01), Jansen et al.
patent: 3813215 (1974-05-01), Ward

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