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Continuous Powder Drying Tunnel Furnace from China - Leading Suppliers & Factory for Chemical and Pharmaceutical Industries

Introducing our advanced powder product drying tunnel furnace, a state-of-the-art continuous drying equipment meticulously designed for the efficient drying and dehydration of powdered materials. This innovative furnace is extensively utilized across various industries, including chemicals, pharmaceuticals, and lithium battery production. As a leading China supplier, we take pride in our factory's commitment to quality and performance, ensuring that our drying solutions meet the highest industry standards. Enhance your production process with our reliable and efficient drying tunnel furnace, a trusted choice among manufacturers looking for quality equipment from Chinese suppliers
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    Technical Parameters

    Working Principle

    Microwave Heating Principle

    Microwave drying tunnel ovens use microwaves to cause polar molecules (such as water molecules) in powders to vibrate and rotate at high frequencies. This intermolecular friction generates heat, achieving drying. Microwaves penetrate the powder, heating both the inside and outside simultaneously, resulting in rapid heating, uniform drying, and low energy consumption.

    Heat Conduction Principle

    For example, in air-heated tunnel belt ovens, heat is conducted through thermal oil. The high-temperature oil passes through built-in heat sinks to raise the air temperature within the tunnel, thereby heating the powder and achieving drying and dehydration.

    Radiation Heating Principle

    Infrared drying tunnel ovens utilize infrared radiation for heating. Medium- and short-wave infrared radiation (such as the 1.5-2.5 micron wavelength range of high-infrared tunnel ovens) has high energy output, is well absorbed by the powder, and heats the powder quickly.

    Frequently Asked Questions

    How does microwave heating dry powder in tunnel ovens?

    Microwave drying tunnel ovens use microwaves to vibrate and rotate polar molecules (like water) at high frequencies. This intermolecular friction generates heat inside and outside simultaneously, resulting in rapid and uniform drying.

    How is heat conducted in air-heated tunnel belt ovens?

    In air-heated tunnel belt ovens, heat is conducted using thermal oil. The high-temperature oil passes through built-in heat sinks to raise the air temperature inside the tunnel, which heats the powder for drying and dehydration.

    What is the radiation heating principle for infrared drying tunnel ovens?

    Infrared drying tunnel ovens use medium- and short-wave infrared radiation (such as the 1.5-2.5 micron range). This radiation provides high energy output that is quickly absorbed by the powder, heating it rapidly.

    Why does microwave heating offer low energy consumption?

    Because microwaves penetrate directly into the powder and heat both the inside and outside simultaneously, achieving faster, more uniform drying with reduced heat loss compared to surface heating methods.

    What wavelength range do high-infrared tunnel ovens use?

    High-infrared tunnel ovens utilize a medium- and short-wave infrared radiation range of 1.5 to 2.5 microns, which is optimized for high energy output and rapid absorption.