ROLLER FOR FURNACE WITH ROLLER BOARD Russian patent published in 2021 - IPC F27B9/24 C03B35/18 F27D3/02 

FIELD: metallurgy.

SUBSTANCE: invention relates to a roller for a roller hearth furnace. The roller for a roller hearth furnace contains a water-cooled support axis (2) mounted for rotation, on which a plurality of support rings (4) are located at a distance from each other, and between the support rings (4) on the support axis (2) there is insulation (9) and a protective device (11) to protect the insulation (9) from the environment, wherein the insulation (9) is made in the form of disc-shaped or ring-shaped stamped parts (10) of fibrous stamped material, and the protective means (11) is made in the form of annular insulating washers (12) of fibrous material, while the protective means (11) is in the form of the annular insulating washers (12) is made of a material that is stronger than the fibrous stamped material of the stamped parts (10), and between each two insulating washers (12) there is at least one fibrous stamped part (10).

EFFECT: reducing negative effects of dross to increase roller life.

2 cl, 2 dwg