burner windbox

burner windbox

[′bər·nər ′wind‚bäks]
(engineering)
A chamber surrounding a burner, under positive air pressure, for proper distribution and discharge of secondary air.
References in periodicals archive ?
The concept allows changes in process heat demand to be transmitted directly to the burner by a modulating control signal, which then enables the speed of the burner combustion air fan to be varied, with the burner windbox differential air pressure increased or decreased accordingly.