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    • 6. 发明公开
    • SLUDGE CONCENTRATING METHOD AND DEVICE
    • 方法和设备集中MUD
    • EP1403223A4
    • 2004-12-01
    • EP02769595
    • 2002-05-14
    • SUZUKI KIYOSHIJAPAN INST OF WASTEWATER ENGINJFE ENG CORP
    • SUZUKI KIYOSHIKOUNO KINICHIROETOU TAKASHISAKAI ITARUUDAGAWA SATORUISHII ARIMITSU
    • B01D33/04C02F1/00C02F11/14B01D37/03
    • C02F11/14B01D33/04B01D33/056B01D33/463B01D33/466B01D33/50B01D2201/287B01D2201/48C02F1/001
    • Sludge concentrating device comprises: (1) sludge tank storing sludge; (2) filtering means; (3) filter cloth washing means; (4) filtrate chamber; (5) sludge distributing tank; and (6) concentrated sludge discharge tank serving as means for discharging concentrated sludge from the sludge tank and disposed in a position substantially opposed to the sludge introducing means with the filter cloth interposed there between. Sludge concentration device comprises: (1) a sludge tank storing sludge; (2) a filtering means having an endless belt filter cloth revolving around upper and lower rollers with at least the lowermost roller immersed in the sludge; (3) a filter cloth washing means; (4) a filtrate chamber having a filtrate inlet close to the filter cloth and a weir; (5) a sludge distributing tank serving as a means for introducing sludge into the sludge tank and disposed in the vicinity of the upper end of the filtrate inlet; and (6) a concentrated sludge discharge tank serving as means for discharging concentrated sludge from the sludge tank and disposed in a position substantially opposed to the sludge introducing means with the filter cloth interposed there between. The device further comprises: (1) a flocculant adding means for adding a flocculant to the sludge feed to the sludge tank; (2) an acid adding means for adding an acid; and (3) a rectifier serving as a uniform sludge feeding means for feeding sludge into the sludge tank uniformly widthwise of the filter cloth. Thus, the sludge produced in a sewage disposal plant can be concentrated in large quantities and efficiently without depending on its properties.
    • 污泥浓缩装置包括:(1)存储污泥槽的污泥; (2)是指滤波; (3)滤布冲洗装置; (4)滤液室; (5)淤泥分配罐; 及(6)浓缩污泥排出箱用作用于在基本相对的污泥引入装置与之间插入有滤布的位置排出从污泥罐浓缩污泥和设置。 污泥浓缩装置包括:(1)一个污泥槽中存储污泥; (2)一个滤波装置,其具有到环带滤布围绕上,下辊旋转与至少浸没在污泥中的最下面的辊子; (3)滤布清洗装置; (4),其具有入口滤液靠近过滤器的布和堰滤液室; (5)淤泥分配罐用作用于引入污泥进入污泥槽和设置在所述滤液进口的上端附近; 及(6)一个浓缩污泥排放罐用作用于在基本相对的污泥引入装置与之间插入有滤布的位置排出从污泥罐浓缩污泥和设置。 该装置还包括:(1)一种絮凝剂添加装置,用于添加凝集剂的污泥进料污泥槽; (2)加酸装置,用于将到酸; 和(3)作为均匀的污泥进给一个整流器装置,用于输送污泥进入污泥槽一致宽度滤布。 因此,在污水处理厂产生的污泥可以大量且有效地不依赖于它的属性进行浓缩。