Importance

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Abstract

A grate bar and a grate for stepped-grate furnace stoker with directed-air combustion. Its principle application is in the field of furnaces for waste conversion units. The bar includes a flat part, whose top surface receives the incinerated elements, and that extends into two rear and front ends each forming a return that acts as a support point for the bar. It also includes a longitudinal projection under the flat part, extending at least partially between the rear and front ends. At least one wing is positioned under the flat part, on a first side of the longitudinal projection. In a characteristic manner, this wing has at least one lateral hollow-out which, together with the lateral hollow-out of a wing of a neighbouring bar, forms a passage for channeling air up to the front end of the bar.

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First Claim