Conveyor or Continuous Ovens – Typically part of an automated conveyor processing line, conveyor ovens allow for higher volume processing.
Drying ovens – Designed to remove moisture. Typical applications are pre-treating and painting. Such ovens are also sometimes known as kilns, though they do not reach the same high temperatures as are used in ceramic kilns.
Concrete pillars are foundation on which the heater is mounted. They can be four nos. for smaller heaters and may be up to 24 nos. for large size heaters. Design of pillars and entire foundation is done based on the load bearing capacity of soil and seismic conditions prevailing in the area. Foundation bolts are grouted in foundation after installation of the heater.
The stack damper contained within works like a butterfly valve and regulates draft (pressure difference between air intake and air exit) in the furnace, which is what pulls the flue gas through the convection section. The stack damper also regulates the heat lost through the stack. As the damper closes, the amount of heat escaping the furnace through the stack decreases, but the pressure or draft in the furnace increases which poses risks to those working around it if there are air leakages in the furnace, the flames can then escape out of the firebox or even explode if the pressure is too great.