此为课程论文 摘要：本文从红外辐射的机理出发，探讨了红外辐射的光谱特性、吸收机制与吸收条件，论述了辐射与吸收的匹配的重要性，重点对染整工艺应用过程原理及辐射换热详尽地阐述远红外加热要旨，最后结合远红外加热食物等的应用实际，阐明了远红外加热技术的特点，指出了远红外加热技术工业用或民用的庞大市场和广阔前景。 关键字： 远红外加热； 辐射； 原则； 节能； 应用 Far-infrared Heating Technique and Application Abstract: In the paper, we point out that the characteristic of the far-infrared heating technique in terms of the theory of infrared radiation; the principle of far-infrared heating technique is outlined. As a result, the far-infrared heating become more important in the future. Key words: far-infrared heating; radiation； energy conservation； principle；application