TRANSVERSE-BURNER RECUPERATIVE FURNACE

摘要

A transverse-burner recuperative furnace for glass making, which comprises burner blocks of which the inner aperture, of generally elongate rectangular shape, exhibits a first portion of constant cross-section extending from the rear face of the burner block, and a second portion progressively flaring upwards and downwards to the front face of the burner block, such second portion exhibiting an angle of flare alpha of not more than 15 DEG , and the cumulated total length of these apertures representing at least 0.65 times the distance between the extreme burner blocks.