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    • 5. 发明授权
    • Filter press
    • 压滤机
    • US5110466A
    • 1992-05-05
    • US629559
    • 1990-12-18
    • Kiyoshi Tanii
    • Kiyoshi Tanii
    • B01D25/172
    • B01D25/172B01D25/322
    • Disclosed is a filter press for removing water from sludge, which is generated when washing a concrete mixer truck or the like and which contains cement and sand, by means of a number of filter plates, which are arranged on edge and facing each other. Sludge is passed under pressure through the inside of each filter plate, thereby filtering out the water contained therein. The filter press comprises a horizontal track arranged above the filter plates and a carriage adapted to travel upon this horizontal track. The carriage is equipped with a vertical operation cylinder. Provided in the lower section of the vertical operation cylinder are a separating rod for separating adjacent filter plates from each other and nozzles for injecting water under pressure for washing the outer periphery of each filter plate. The carriage is further equipped with a reverse-washing operation cylinder, to the lower end of which is connected a reverse-washing water-supply pipe for supplying water under pressure into each filter plate.
    • 公开了一种用于从污泥中除去水的压滤机,其通过排列在边缘并且彼此面对的多个过滤板来洗涤混凝土搅拌车等并且含有水泥和沙子时产生。 污泥在压力下通过每个过滤板的内部,从而过滤出其中所含的水。 压滤机包括布置在过滤板上方的水平轨道和适于在该水平轨道上行进的滑架。 车架配有垂直操作缸。 在垂直操作气缸的下部设置有用于将相邻的过滤板彼此分离的分离杆和用于在每个过滤板的外周洗涤的压力下喷射水的喷嘴。 托架还配有反洗操作筒,其下端连接有用于将压力下的水供给到每个过滤板的反向洗涤供水管。
    • 6. 发明授权
    • Process of removing surfactant from uncured concrete by flotation
    • 通过浮选从未固化混凝土中除去表面活性剂的方法
    • US5554297A
    • 1996-09-10
    • US361771
    • 1994-12-22
    • Kiyoshi Tanii
    • Kiyoshi Tanii
    • B03B9/06B03D1/02C04B18/16
    • B03B9/063B03D1/02C04B18/16B03D1/16B03D1/245Y02W30/521Y02W30/58Y02W30/95Y10S241/38
    • Aggregate is separated from sludge consisting of, what is called, "the residual raw concrete" remaining in a raw concrete mixing truck from which raw (uncured) concrete has been discharged, and waste water resulting from washing the mixing truck. The sludge is stored in a pretreatment vessel. Then, air is forced into the sludge to form bubbles. A chemical admixture in the sludge is allowed to adhere to the bubbles, and an admixture coating within the sludge is removed, thereby promoting the hydration of the cement. Subsequently, the resultant sludge is dehydrated to obtain a dehydrated cake of high hardness. Powder formed of the same quality of the cake is spread over the cake, which is then cured for a few hours. The resultant cake is then crushed so that granular aggregate can be formed.
    • 聚集体与污泥分离,所谓污泥,剩余在原料(未固化的)混凝土已经排出的混凝土混凝土搅拌车中,剩下的残留混凝土,以及洗涤搅拌车产生的废水。 将污泥储存在预处理容器中。 然后,空气被迫进入污泥中形成气泡。 允许污泥中的化学混合物粘附到气泡上,并且除去污泥内的混合物涂层,从而促进水泥的水化。 随后,将所得污泥脱水,得到高硬度的脱水饼。 由相同质量的蛋糕形成的粉末分布在蛋糕上,然后固化数小时。 然后将所得的滤饼粉碎,从而可以形成颗粒状聚集体。