The history of heating chamber dates back to ancient civilizations, when people cooked their food on an open fire or in simple clay ovens. As technology advanced, various types of ovens were invented, including the brick oven, mud oven, and coal-fired oven.
The first gas-fired oven was invented in the late 1800s, and the electric oven was introduced in the early 1900s. Since then, ovens have continued to evolve with advancements in materials, energy efficiency, and automation.
Common types of heating chambers on the market
At present, the common heating chambers on the market are roughly: drying oven, vacuum oven, tunnel oven, dust-free oven, anaerobic oven, etc.
[Drying oven]
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Drying ovens come in two types, natural convection and mechanical convection.
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In a natural convection oven, hot air flows from top to bottom so that the temperature is evenly distributed. No fan blowing the air in the box. The advantage of this technology is ultra-low air turbulence, allowing mild drying and heating.
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In a mechanical convection (forced air driven) oven, an integrated fan actively drives the air inside the oven to achieve uniform temperature distribution throughout the chamber. One of its major advantages is excellent temperature uniformity, high reproducibility of experimental results, suitable for applications such as material testing and drying schemes with extremely demanding temperature requirements. Another advantage is that the drying process is much faster than natural convection. After opening the door, the temperature in the mechanical convection oven will quickly recover to the set temperature level.
[Vacuum oven]
A vacuum oven is a type of oven that operates at sub atmospheric pressure levels. It is specifically designed to remove moisture and other volatile substances from storage and drying processes. The following are the characteristics and advantages of a vacuum oven:
Characteristics:
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Low pressure: Vacuum ovens operate at low atmospheric pressure levels, which range from 50 mbar to 200 mbar. This helps in reducing the boiling point of volatile substances and facilitates their removal.
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Temperature control: Vacuum ovens have an accurate temperature control system that enables precise temperature regulation during drying and storage processes.
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Uniformity: Due to the reduced pressure levels, the vacuum ovens provide an excellent uniformity of drying and heating within the chamber.
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Durability: Vacuum ovens have a sturdy construction, including stainless steel chambers, which enhances their durability.
Advantages:
Safety: The low pressure levels of vacuum ovens make them safe for drying and storage of flammable products.
High quality: Vacuum drying ensures that products are of high quality, with no contamination or oxidation taking place.
Efficiency: Vacuum ovens are efficient in removing moisture, solvents, and other volatile substances from products, ensuring high-quality end products.
[Tunnel oven]
A tunnel oven is an industrial oven used for continuous baking of various food products. It consists of a long, narrow tunnel and a conveyor belt that passes through the oven as the food is baked. The functional features and advantages of the tunnel oven include.
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Consistent temperature control:The oven has multiple independently controllable heating zones to maintain precise temperatures throughout the baking process. Also, the heat deviation is small, ensuring maximum uniformity of heat to the baked object.
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Large capacity:Tunnel ovens can handle large quantities of product because of their continuous conveyor system.
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Automated process:The oven design automates the baking process from raw material loading to finished product discharging, thereby increasing productivity.
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Energy efficiency: Tunnel ovens are designed to be energy efficient with minimal heat loss, ensuring lower operating costs.
Dust-free Oven
Dustless ovens are a special type of industrial ovens. Dust-free ovens are used in clean rooms.
According to the needs of the product to be dried, there are 4 types of dust-free levels to choose from: Class 100, Class 1000, Class 10,000, Class 10,000 or more. Class 100 is the highest dust-free level. Dust-free ovens are commonly used in LCD and touch screen products.
Anaerobic Oven
Anaerobic oven is used in aviation, aerospace, petroleum, chemical, military, shipping, electronics, communications and other scientific research and production units, mainly for BPO glue/PI glue/BCB glue curing, IC (wafer, CMOS, Bumping, TSV, MENS, fingerprint identification), FPD, high precision electronic components, electronic ceramic materials The dry and aging test of electric products, materials and spare parts in high temperature clean and oxygen-free environment.
Various applications of heating chamber
1
Food industry
For baking, roasting, and cooking food
2
Research
For testing materials at high temperatures
3
Medical
For sterilizing medical equipment
4
Manufacturing
For curing materials and drying coatings
5
Transportation
For heating or drying parts in the automotive and aerospace industries
6
Energy
For high-temperature processing of fossil fuels and other resources
Overall, ovens have become an essential part of modern living and are used in a wide range of industries and applications.
Matters needing attention
- The heating chamber needs a ground wire: To avoid dangers such as electric leakage, the oven needs to be grounded before use.
- Avoid excessive temperature: When using the oven, avoid setting the temperature too high to avoid burning or damaging the equipment.
- Regular cleaning and maintenance: After a period of use, the oven needs to be cleaned and maintained regularly to ensure its normal operation and service life.
- Not suitable for inflammable and explosive goods: Oven is not suitable for inflammable and explosive goods, need to use other drying methods.
- Pay attention to safety: in the use of oven, safety issues can not be ignored, to avoid electric shock, scald and other accidents. At the same time, avoid installing the oven in damp and flammable places.
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