The convection tunnel ovens are very common and offer indirect heat. This type of heating solution utilizes a combustion gas to air heat exchanger to circulate heated air throughout the baking chamber. This type of oven is most suitable for baking all kinds of biscuits and cookies and is especially effective during the last baking stage due to its effect on final moisture content.
1.OVEN BODY
1.1 The oven is constructed gas-tight baking tunnel, divided into 2m/ section. Each section is connected on a frame, with a gas-tight connection between the sections.
1.2 The baking tunnel is insulated with 20CM-25CM layer of high-quality insulation material, in order to reduce heat loss to a minimum.
1.3 Inspection door on the control side.
1.4 Stainless steel side and top outside panel.
2. HEATING SYSTEM
The indirect heating system is controlled by hot air circulation system, the heat is transferred and exhausted from the heat exchanger, the high temperature fan sucks the air from the baking chamber and sends it first through the heat exchanger and then to the plenums positioned over and under the baking conveyor. the ratio top/bottom heat is infinitely adjustable by means of a damper.
The heating box be installed on the top of tunnel oven,the heat source is gas, the powerful fan to make heat exchange of air inside of tunnel oven and heat from heating box continuously. The hot air flow out from special designed outlet to bake the product all around stably. The burning chamber is made of stainless steel δ3.0, heat exchange chamber is made of stainless steel δ2.0 and special designed screwed pipe.
The air tunnel is bent by carbon steel δ2.0, and be punched and welded to guarantee to create heat evenly.
Using the motor of fan with brand is ABB, the burner with brand is Weishaupt, the heating power be divided into 10 stages and can be adjusted, which can help the burning system run stably and safely and save energy.
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Industrial ABB Motor Bakery Gas Oven Mesh Wire Belt Indirect Heated Images
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