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    • 7. 发明授权
    • Apparatus and method for manufacturing a thin blown film
    • 用于制造薄膜的装置和方法
    • KR101156192B1
    • 2012-06-18
    • KR20120003163
    • 2012-01-10
    • VENTWIN CO LTD
    • LEE YUN HEE
    • B29C55/28B29D7/01
    • B29C47/0026B29B13/06B29C47/0066B29C47/0898B29C47/784B29C47/827B29L2007/00
    • PURPOSE: A thin blown film manufacturing apparatus and method are provided to improve the flow of raw materials and enhance viscosity by controlling the temperature of a cylinder of an extruder according to section. CONSTITUTION: A thin blown film manufacturing apparatus comprises a mixer(100), a hopper(200), an extruder(300), a heater, and a temperature controller. The mixer has a mixing screw for mixing raw materials. The hopper receives the mixed raw materials and has a heat exchanger through which moisture of exterior air is removed. The dehumidified exterior air is used for removing moisture from a dehumidifying agent absorbing moisture from the raw materials so that the dehumidifying agent is recycled. The extruder has a cylinder which is divided into five or more sections in a longitudinal direction. The heater and the temperature controller are installed in each section of the cylinder to individually control the temperature.
    • 目的:提供一种薄吹塑薄膜制造装置和方法,以通过根据截面控制挤出机的圆筒的温度来改善原料流动并提高粘度。 构成:薄膜制造装置包括混合器(100),料斗(200),挤出机(300),加热器和温度控制器。 混合器具有用于混合原料的混合螺杆。 料斗接收混合原料,并具有除去外部空气的水分的热交换器。 除湿外部空气用于从从原料吸收水分的除湿剂中除去水分,使得除湿剂被再循环。 挤出机具有沿长度方向分为五个或更多个部分的圆筒。 加热器和温度控制器安装在气缸的每个部分中,以单独控制温度。