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What are the working principles and structural characteristics of the hot air circulation oven?
Date: 2025-06-16Read: 3
The working principle of a hot air circulation oven is to circulate the air through a fan. The air source is driven by a circulating air supply motor, which passes through a heater and sends the hot air into the interior of the oven. The used air is then sucked into the air duct to become the air source for further circulation, ensuring the uniformity of indoor temperature. When the temperature value swings due to the action of opening and closing the door, the air supply circulation system will quickly resume operation until the set temperature value is reached
The main structural characteristics of the hot air circulation oven are:
Material: Composed of angle steel, stainless steel plate, and cold steel plate, the insulation layer is filled with high-density aluminum silicate cotton, ensuring the insulation performance of the oven and the safety of the user.
Heater installation location: The heater can be installed at the bottom, top, or both sides.
• Temperature control: Use digital intelligent instruments to control temperature, which is easy to operate and has high accuracy.
• Scope of application: Widely applicable to baking chemical gases and food processing items to be baked, ink curing, paint film drying, etc., suitable for multiple industries such as electronics, motors, communications, electroplating, plastics, hardware chemicals, etc.
Air duct design: There are two types of air duct designs, horizontal air supply and vertical air supply, to ensure uniform drying of materials.
Performance advantages of hot air circulation oven
Energy saving design: 30% dehumidification air volume is reheated and reused, reducing energy consumption by 15% -35%.
Clean control: HEPA filters achieve particle control ≤ ISO 5 level (applicable to the electronics industry).
• Safety protection: Contactless explosion-proof fan (solvent environment) and leakage circuit protection.
