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    • 34. 发明授权
    • Convection stabilized radiant oven
    • 对流稳定辐射烤箱
    • US4785552A
    • 1988-11-22
    • US70898
    • 1987-07-08
    • Willie H. Best
    • Willie H. Best
    • F26B3/30F26B15/16F27D99/00
    • F27D99/0035F26B15/16F26B3/305
    • A housing open at both ends has opposed concaved radiant emitter walls which are disposed on opposite sides of a conveyor for defining a drying chamber through which the conveyor moves freshly coated objects. Heated air from a closure is fed to outer cavities in the housing and this air passes inwardly through nozzle ports in partition plates to impinge and heat the walls. A major portion of the air returns to be reheated in the closure. Fresh air is introduced, in heat exchanging relationship to the heated air, to ducts which discharge into the drying chamber. Overhead fans selectively circulate turbulent or laminar air in the drying chamber. Air is withdrawn from both the drying chamber and the outer cavities via over head exhaust ducts. A computer and sensors control the temperature of the emitter walls by controlling the heating of the heated air. The computer and a sensor in the drying chamber controls the temperature of the air in the drying chamber to the same or a lower temperature than the wall temperature. Methods of drying paint or other coatings are disclosed wherein the ambient temperature of the air is controlled as to velocity and temperature and the temperature of radiant walls is controlled.
    • 在两端开口的壳体具有相对的凹入辐射发射器壁,其设置在输送机的相对侧上,用于限定干燥室,输送机通过该干燥室移动新鲜涂覆的物体。 来自封闭件的加热空气被供给到外壳中的外部空腔,并且该空气向内通过分隔板中的喷嘴端口以冲击和加热壁。 空气中的主要部分在关闭中重新加热。 将新鲜空气与加热的空气以热交换的形式引入排放到干燥室中的管道。 架空风扇选择性地在干燥室中循环湍流或层流空气。 空气通过顶部排气管从干燥室和外部空腔中排出。 计算机和传感器通过控制加热的空气的加热来控制发射器壁的温度。 干燥室中的计算机和传感器将干燥室中的空气温度控制在与壁温相同或更低的温度。 公开了干燥涂料或其它涂层的方法,其中空气的环境温度被控制为速度和温度,并且控制辐射壁的温度。