Three horizontal conveyor belts in line are used for inlet, travel through the tunnel and outlet and are driven together with the drive shafts for the paddle wheels in the airlocks by a common motor through belts etc. at esp. 200 m/min. Each airlock has an inlet and outlet window and the angle between the nearest edges of the windows is larger than that between the blades of paddle wheel as measured at the centre of the cylindrical casing and shaft. Valves for injection and drainage of hot water at over 100 degrees C and over 2 atmos. and for air venting are fitted in the cylindrical casings and operated by solenoids switched by the rotary paddle wheels.
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机译：一条直线上的三个水平传送带用于入口，行进隧道和出口，并由一个共同的电机在皮带上与皮带轮等共同驱动气闸中的桨轮驱动轴。 200 m / min。每个气闸都有一个进口和出口窗口，并且在圆柱外壳和轴的中心处测得，窗口的最近边缘之间的角度大于明轮叶片之间的角度。用于在超过100摄氏度和超过2个大气压下注入和排出热水的阀门。排气孔安装在圆筒形外壳中，并由旋转的叶轮开关的螺线管操作。
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