Views: 0 Author: Site Editor Publish Time: 2022-08-22 Origin: Site
When the electric current passes through the infrared emitter heating wire made of special materials, the wire radiates infrared electromagnetic waves of a certain wavelength. After the infrared electromagnetic waves are absorbed by the object, the object is heated very quickly. The technology that uses this property to heat objects is called infrared radiation heating technology. Since each material has a different absorption capacity for different wavelengths of infrared light, infrared emitters of different wavelengths can be produced by changing the material composition and winding method of the heating wire in order to adapt to different heating objects.
Nowadays, the infrared radiation used for industrial purposes mainly includes the followings:
Short wave with a wavelength of about 0.78-1.4μm
Fast medium wave with wavelength of 1.4μm-1.8μm
Carbon medium wave with a wavelength of about 1.8-2.2μm
Medium wave with a wavelength of about 2.2-4μm
Long wave and short wave with wavelengths greater than 4μm
Fast medium wave and carbon medium wave infrared radiation are also called near-infrared radiation. Medium and long waves are also called far-infrared radiation. Because the thermal inertia of infrared radiation is extremely small and the thermal efficiency is very high, the use of short-wave, medium-wave and other infrared radiation technologies can heat the workpiece with high density, high energy, and high intensity. Therefore, the use of infrared radiation can achieve the purposes of improving heating quality, shortening heating time, reducing heating energy consumption, saving production costs, and reducing environmental pollution and so on.