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    • 10. 发明授权
    • Method and apparatus for measuring settling rate, compaction, and
clarity of a liquid
    • 用于测量液体的沉降速率,压实度和透明度的方法和装置
    • US4876881A
    • 1989-10-31
    • US231767
    • 1988-08-12
    • Daniel F. Pope
    • Daniel F. Pope
    • G01N15/04G01N21/15G01N21/53
    • G01N15/04G01N2021/155G01N2021/4709G01N21/53
    • An apparatus and method for continuously measuring the settling rate, compaction, and clarity of a liquid. A liquid sample containing suspended solids is pumped into the bottom of a reservoir, and clarified liquid is allowed to overflow the top of the reservoir. Settling rate is measured by adjusting the pumping speed to maintain the interface between the clarified and unclarified portions of the suspension at a constant level. The slowing of this measured settling rate as solids accumulate in the test chamber is used to determine the percent ultimate compaction. Clarity is measured by allowing a sample to settle completely in the test chambers, at intervals that are provided by the need to occasionally remove the accumulated solids from the test chamber.
    • 用于连续测量液体的沉降速率,压实度和透明度的装置和方法。 将含有悬浮固体的液体样品泵送到储存器的底部,并且允许澄清的液体溢出储存器的顶部。 沉降速率通过调节泵送速度来测量,以将悬浮液的澄清和未澄清部分之间的界面保持在恒定的水平。 使用固体在测试室中积聚的测量沉降速率的减慢来确定最终压实百分比。 通过允许样品在测试室中完全沉降来测量澄清度,间隔时间是由需要偶尔从测试室中除去积聚的固体而提供的。