Hot Air Circulation Oven

Hot air circulation oven is a common baking equipment, widely used in food, chemical, pharmaceutical and other industries. It achieves fast and even heating and baking of materials by heating the air and evenly circulating the hot air into the baking chamber through a circulating fan.

Description Of Hot Air Circulation Oven

Centrifugal spray dryer is widely used process in the liquid forming process. It is suitable for producing powdery and granular solid products from solutions, emulsions, suspoemulsions and paste liquids. Therefore, when the granule size distribution, residual moisture content, bulk density and granule shape of the finished product meet precise standards, centrifugal spray dryer is an ideal drying process. The spray dryers can be widely used in food, chemicals, pharmaceutical , ceramics and other industries.

Advantage Of Hot Air Circulation Oven

Hot air circulates in the oven, which has high thermal efficiency and saves energy.
Using forced ventilation, the oven is equipped with air ducts to dry the materials evenly.
The hot air circulation oven operates smoothly. Automatic temperature control, easy installation and maintenance.
The hot air circulation oven has a wide range of applications and can dry various materials. It is an ideal general-purpose drying equipment.

Specification Of Hot Air Circulation Oven

Working Principle Of Hot Air Circulation Oven

The air circulation system of the hot air circulation oven adopts a fan circulation air supply method, and the air circulation is uniform and efficient. The air source is driven by the circulating fan to drive the wind wheel through the heater, and the hot air is sent out, and then to the inner chamber of the oven through the air duct, and then the used air is sucked into the air duct to become the air source for recirculation, heating and use, ensuring indoor temperature uniformity. When the temperature value swings due to the door opening and closing action, the air supply circulation system quickly returns to the operating state until the set temperature value is reached.
 
When using a hot air circulation oven, users should make reasonable parameter settings according to the characteristics of the material and baking requirements, such as temperature, wind speed, baking time, etc., to achieve good baking effects. In addition, regular cleaning and maintenance of the hot air circulation oven are also important steps to ensure its normal operation and extend its service life.

Shell

Hot air circulation ovens usually have an outer metal or alloy shell to protect internal components and provide structural support.

Insulation layer

The condenser is used to condense the evaporated moisture from the materials into liquid form for subsequent processing and recycling.

Heating element

One of the core parts of the hot air circulation oven is the heating element. Commonly used ones include electric heaters, steam heaters or gas heaters. These elements generate heat, which increases the temperature inside the oven.

Fan

The hot air circulation oven is equipped with a fan to circulate the heated air into the oven. This helps distribute the temperature evenly and avoid uneven baking.

Temperature control system

Hot air circulation ovens usually have an outer metal or alloy shell to protect internal components and provide structural support.

Time controller

Hot air circulation ovens usually have an outer metal or alloy shell to protect internal components and provide structural support.

Hot air circulation system

Hot air circulation ovens usually have an outer metal or alloy shell to protect internal components and provide structural support.

Exhaust system

Hot air circulation ovens usually have an outer metal or alloy shell to protect internal components and provide structural support.

Tray or grilling

Place food or items on the grilling net or tray for baking or drying

Application Of Hot Air Circulation Oven

中药
Pharmaceutical Industry
 
1. Used for drying and baking pharmaceutical raw materials, Chinese medicinal materials, pills, tablets and other products to ensure drug quality and efficacy.
2. Suitable for sterilization of medicines, effectively killing bacteria through high-temperature hot air to ensure the health and safety of medicines.
电子
Electrical Industry
 
1. Used for drying and curing electronic components, circuit boards, plastic parts and other electronic products to improve product reliability and stability.
2. Suitable for baking and drying electrical products such as batteries and capacitors to ensure product performance and service life.
化工
Chemical Industry
 
1. Used for drying and curing of chemical raw materials, pigments, dyes, plastics, rubber and other chemical products.
2. Suitable for baking and drying polymer materials, coatings, inks and other products to improve product quality and performance.
农副产品
Agricultural And Sideline Products
 
1. Used for drying and baking agricultural and sideline products such as grains, nuts, dried fruits, etc. to improve the added value and market competitiveness of the products.
2. It is suitable for sterilization, dehumidification and other treatments during the processing of agricultural products to ensure the hygiene and safety of the products.
果蔬干
Food Industry
 
1. Used for drying and baking food raw materials, additives, dehydrated vegetables, dried fruits, bread, biscuits and other foods.
2. Suitable for drying and preserving food such as meat and seafood to improve the taste and shelf life of food.
其他行业
Other Industries
 
1. Textile industry: used for drying and shaping of yarn, fabrics, clothing, etc.
2. Printing industry: used for drying and curing printed matter to improve printing quality and speed.
3. Laboratory scientific research: used for drying, heating and baking of materials in scientific research experiments.

Related Accessories & Support Equipment

Filter Bag
Baking Tray
Heat Exchanger
Rotary Valve

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Vacuum Screw Dryer

 

The vacuum screw dryer melds vacuum and spiral agitation techniques, ideal for heat-sensitive and oxidizable materials.

Dry Granulator

 

Vibrating Fluid Bed Dryer

  

Its precise temperature control and adjustable parameters allow for optimal drying performance, maximizing product quality and energy efficiency.

带式

 

Belt Dryer

 

Unmatched efficiency meets innovation. Streamlined drying with top-tier uniformity and moisture removal. Designed for precision and reliability.

喷雾

 

Centrifugal Spray Dryer

 

The Centrifugal Spray Dryer is a highly efficient drying system designed for the rapid and uniform drying of liquids into fine powders.

Hot Air Circulation Oven FAQ

  • How to choose the material of hot air circulation ovens?

    1.Mainly including stainless steel, carbon steel, aluminum alloy, etc. Stainless steel has the characteristics of corrosion resistance, high temperature resistance, and easy cleaning, and is widely used in the fields of medicine and chemical industry; carbon steel is cheap but prone to rust, and is generally used in occasions where drying is carried out at low temperatures; aluminum alloy has the advantages of light weight and good thermal conductivity, but has a higher cost and is generally used in the field of high-precision drying.
    2.The thickness of the material is also one of the key factors to consider. For materials dried at room temperature, a thickness of about 2-3mm of carbon steel is generally sufficient; for materials dried at high temperatures, the thickness of stainless steel generally needs to be above 3-5mm to ensure its high temperature resistance.
    In addition, it is also necessary to consider whether insulation materials need to be installed inside the hot air circulation oven. Installing insulation materials can improve the heating efficiency of the oven, reduce energy waste, and also reduce heat loss to ensure the temperature stability of the oven.
    3.The selection of materials for hot air circulation ovens also needs to consider the nature of the materials and process requirements. For materials that are prone to explosion or combustion, stainless steel ovens can be equipped with explosion-proof devices to ens

  • What are the door-opening methods of hot air circulation ovens?

    Front-opening door, front and rear-opening door, top-opening door, lift-up door.

  • What are the hot air circulation ways?

    Choose the appropriate hot air circulation way according to the different arrangement of the baked products, such as bottom air circulation, top and bottom air circulation, front and rear air circulation, etc.

  • What are the heating methods of hot air circulation ovens?

    Electric heating, fuel oil heating, gas heating, steam heating, mixed heating.

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