HTPI far-infrared polyimide flexible heating module is a polyimide composite material with high-temperature resistance, high mechanical properties, and high far-infrared radiation intensity. Polyimide flexible heating module also has the function of far infrared, for Chinese herbal medicine, agricultural products, seafood drying, nutritional ingredients are well preserved.
Far-infrared polyimide heating module can be applied to far-infrared drying. Vacuum far-infrared drying is a combined drying method, which has the advantages of vacuum drying and the characteristics of fast far-infrared heating. It is suitable for drying heat sensitive and oxygen-sensitive materials. Due to the lack of data on different materials, suitable operating pressure and heating distance, the penetration depth of far-infrared ray and wavelength range of material absorbing radiation, the application of vacuum far-infrared drying equipment in the food and biological material drying is limited.
Vacuum drying, also known as analytical drying, refers to a drying method in which the boiling point of water is reduced under negative pressure, and the material is heated to achieve dehydration effect. During vacuum drying, the boiling point of water in the material decreases with the increase of vacuum degree under vacuum condition. At the same time, the water vapor in the equipment is reduced by the vacuum accumulation of auxiliary W, so that the moisture in the material can obtain enough kinetic energy w away from the material surface. Since the vacuum can reduce the possibility of the material in the drying process, the oxidation can be kept in a better state. Some equipment can also be filled with inert gas to expand its application range. Based on the characteristics of vacuum drying at low temperatures, vacuum drying is often used for rapid and efficient drying of heat-sensitive, easily decomposed, easily oxidized materials and complex materials. For example, dehydration and drying of some heat-sensitive agricultural and sideline products, medicinal materials, fruits and vegetables, food, health products, chemical raw materials, etc. Far infrared vacuum drying means that materials are dried by far-infrared radiation under vacuum conditions. When the material is in a vacuum environment, the boiling point of water in the material decreases, which is conducive to the evaporation process. At the same time, due to the joint action of pressure gradient and temperature gradient, the moisture diffusion is accelerated and the drying time is relatively shortened. The application of vacuum far-infrared drying of fruits and vegetables, medicinal materials, and agricultural products has been carried out.http://www.china-polyimide.com