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1. 发明授权

US07285225B2 Method and apparatus for concentrating a slurry 有权
标题翻译：用于浓缩浆料的方法和设备
公开(公告)号：US07285225B2
公开(公告)日：2007-10-23
申请号：US10590090
申请日：2004-10-15
申请人： John W. Copeland , John A. Parker
发明人： John W. Copeland , John A. Parker
IPC分类号： B01D33/03 , B01D33/00 , B01D61/00
CPC分类号： B01D63/084 , B01D61/14 , B01D65/003 , B01D2313/08 , B01D2313/19 , B01D2315/04 , C01P2006/10 , C09C1/3646 , C09D17/008
摘要： The current invention provides improved methods and filter stacks for concentrating a slurry of titanium dioxide. The improved filter stack comprises a series of filter disks and diverter trays arranged in parallel. The present invention provides an improvement over prior art filter stacks by using a substantially complete weld to attach a diverter plate to the diverter trays. The current invention also provides an improved method for pre-conditioning a filter stack. The improved method is designed to pre-condition and gradually prepare the filter stack for production of the desired slurry of titanium dioxide. Further, the current invention provides an improved process for preparing and transporting a slurry of titanium dioxide. Finally, the current invention provides a method for enhancing the lifespan of a filter stack. The method for enhancing the lifespan of the filter stack continuously monitors the flow rate and specific gravity of fluids produced from the filter stack and signals the need for flushing of the filter stack.
摘要翻译：本发明提供了用于浓缩二氧化钛浆料的改进方法和过滤层。改进的过滤器堆叠包括并排布置的一系列过滤盘和转向盘。本发明通过使用基本上完整的焊接将分流板连接到转向盘来提供对现有技术的过滤器堆叠的改进。本发明还提供了一种改进的预处理过滤器堆叠的方法。改进的方法被设计用于预处理和逐渐制备用于生产所需二氧化钛浆料的过滤器堆叠。此外，本发明提供了制备和输送二氧化钛浆料的改进方法。最后，本发明提供了一种增强过滤器堆的寿命的方法。用于提高过滤器堆的寿命的方法连续监测从过滤器堆产生的流体的流速和比重，并且指示需要冲洗过滤器堆叠。

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