The advantages of infrared heating technology

2024-04-23 12:23:48 76


According to different heat transfer mechanisms, drying can be divided into three types: convection, conduction, and radiation. At present, convection and conduction heating are widely used and researched in depth. Infrared heating technology, as a new type of radiation heating technology, has the following advantages compared to traditional drying methods.

1. Efficient: The main energy of infrared heating technology is electromagnetic waves, with fast transmission speed, low medium loss, and consistent direction of heat and mass transfer, temperature gradient, and humidity gradient. Therefore, it has fast heating and high drying rate (with penetrating power, capable of heating both inside and outside simultaneously).

2. Energy saving: The energy radiated by infrared heating technology is directly proportional to the 4th power of the radiation temperature. Compared with traditional heating methods, it improves production efficiency by 20% to 30%, saves electricity by 30% to 50%, and saves about 30% of other energy (① does not require heat transfer media, good thermal efficiency; ② can be locally heated, saving energy).

3. Environmental protection: The energy radiated by infrared heating technology is directly absorbed by materials, without generating any waste to pollute the surrounding environment. The heating equipment has high safety, minimal harm to human health, and can provide a comfortable working environment.

4. Good product quality: When the material is heated and dried by absorbing infrared radiation, its chemical properties are relatively stable and not easily changed, resulting in good product quality after drying.

5. Cost saving: The investment in infrared heaters is small, the production site is small, and no other expenses will be incurred, resulting in lower production costs. Combination, installation, and maintenance are simple and easy.

6. Temperature control: Temperature control is easy, and the temperature rises quickly, with relatively high safety.

7. Small thermal inertia: No need to warm up the machine, saving manpower.

8. Vacuum usable: Can be used in a vacuum environment (does not require ambient atmospheric conditions, unlike the use of oxygen when burning fuel, heated objects are not easily oxidized).

Because infrared heating has the above advantages, it is possible to achieve high efficiency and uniformity in heating, thereby obtaining high-quality products.