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一、远红外涂料的作用远红外加热干燥技术,目前已被广泛应用于多种物料的加热、脱水、固化、干燥等方面。由于远红外加热效率高,节能效果明显,人们就努力寻求一种增加红外辐射传热的新方法,使其在同样能耗条件下,增加红外辐射传热的比例。远红外涂料,涂在加热器表面上,增加辐射系数率高,能起到这种良好的作用。以电加热器为例,在不考虑热传导的条件下, P_电=P_(对流)+P_(辐射)式中:α,给热系数(千卡/米~2·小时·度);t_n,辐射器表面温度(℃);t_c,气氛温度(℃);s,辐射器有效辐射面积(米~2);ε,全辐射系数;λ,
First, the role of far-infrared coating Far-infrared heating drying technology, has been widely used in a variety of materials heating, dehydration, curing, drying and so on. Due to the far-infrared heating efficiency and energy-saving effect, people are trying hard to find a new way to increase the heat transfer of infrared radiation, which can increase the proportion of infrared radiation heat transfer under the same energy consumption condition. Far-infrared coating, coated on the heater surface, increasing the radiation coefficient rate, can play this good role. Taking electric heater as an example, without considering the heat conduction, P_electric = P_ (convection) + P_ (radiation) where: α, the heating coefficient (kcal / m ~ 2 · h · degree); t_n , Radiator surface temperature (℃); t_c, ambient temperature (° C); s, radiator effective radiation area (m ~ 2); ε, total emissivity; λ,