Automatic baking tunnel ovens usually have three main typesï¼
Gas ovenï¼Electrical oven and Hot air circulation oven depend on the natural resources of different needs and countries.
-Far infrared heating
The working principle is by the far infrared heating element, their arrangement and controlling can make the heating uniform, there is an exhaust system to collect the steam.
-Direct Fired Oven
The working principle is gas ribbon burners fitted directly into the baking chamber. Various burners make a unique baking profile for every product. The burner controllers are splited in top, bottom and more zones.
Hot air circulation oven
- Convection (indirect) type
The working principle is heating by indirect air impingement, an optimization of the well-known convection principle. The heat from the gas burner is exchanged in the heat exchange above the baking chamber. The baking air is not mixed with the combustion air. Direct impingement ovens are also available, where combustion air is circulated in the baking chamber.
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