Firing tunnel furnace

摘要

The tile blanks (1) are spaced apart in grid pattern on conveyors(3) and moved through the furnace which is heated by tubular burners (5) whose lengthwise axes (51) are vertical.. The vertical holes (10) of all the tile or brick blanks point in the same direction. Each burner has an opening part (50) in which are outlets (52) for combustion gases and whose lengthwise axes (53) run in the same direction as the vertical holes. The opening part is within the space between the end sides (11) of the brick/tile blanks.