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    • 80. 发明专利
    • Filtration tank made of concrete
    • 混凝土过滤罐
    • JP2014018780A
    • 2014-02-03
    • JP2012163081
    • 2012-07-23
    • Metawater Co Ltdメタウォーター株式会社Hanex Co Ltd株式会社ハネックス
    • MORIYA YUSUKEOHIRA SATOSHIISHIDA KOTARO
    • B01D24/16B01D24/26B01D24/46B01D29/62
    • PROBLEM TO BE SOLVED: To provide a filtration tank made of concrete capable of easily attaching a screen to a desired position.SOLUTION: There is provided a filtration tank made of concrete which comprises: a floating filter medium layer consisting of a floating filter medium; a screen which is disposed on an upper side of the floating filter medium layer and prevents outflow of the floating filter medium; a raw water inflow port and a backwash effluent discharge port which are disposed on a lower side from the floating filter medium layer; and a filtrate water storage part provided on an upper side of the screen. Raw water is filtered by passing raw water flowed from the raw water inflow port in an upward flow through the floating filter medium layer and the resulting filtrate water is stored in the filtrate water storage part. The filtration tank made of concrete comprises: a reception part which is embedded on an inner peripheral surface of a lateral wall of the filtration tank made of concrete and forms an opening port extending substantially in the horizontal direction in at least a part of the inner periphery of the filtration tank made of concrete; and a plate-like screen fixing member having an insertion fitting part inserted into the opening port and a mounting part on which the screen is mounted. The screen is fixed to the mounting part of the screen fixing member insertion-fitted to the opening port.
    • 要解决的问题:提供一种能够容易地将筛网附着到期望位置的混凝土制成的过滤罐。解决方案:提供一种由混凝土制成的过滤罐,其包括:由浮动过滤介质组成的浮动过滤介质层; 布置在浮动过滤介质层的上侧并防止浮动过滤介质的流出的屏幕; 原水流入口和反冲洗排出口,其设置在从浮动过滤介质层的下侧; 以及设置在所述筛网的上侧的滤液储水部。 通过使来自原水流入口的原水以向上流动的方式通过浮动过滤介质层而过滤原水,将滤液水储存在滤液水储存部中。 由混凝土制成的过滤槽包括:接收部,其嵌入在由混凝土制成的过滤罐的侧壁的内周面上,并形成在内周的至少一部分中大致沿水平方向延伸的开口 的混凝土制成的过滤罐; 以及板状的屏幕固定构件,其具有插入开口中的插入配合部和安装有屏幕的安装部。 屏幕被固定到插入安装到开口的屏幕固定件的安装部分上。