B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/141, 137/24
B01D 21/24 (2006.01) B01D 21/00 (2006.01) C02F 1/00 (2006.01) E03F 5/14 (2006.01)
Patent
CA 1071543
Abstract A purification device comprising supply means and dis- charge means connected to, respectively, the inlet and outlet ends of an intermediate separation means for separating impurities from a liquid flowing from the inlet to the outlet end, and an emer- gency discharge means for diverting a temporary excessive liquid supply in said supply means from said separation means, character- ized by means dividing the flow path from the supply towards the discharge means into a first and a second part communicating, res- pectively, with the supply and discharge means, and by intercon- necting means between said first and second parts which are adapt- ed to limit the liquid flow rate therethrough to about the maximum allowable flow rate through the separation means, the emergency discharge means being connected to said first part. In this way, the purification device will not or not substantially be over- loaded when excessive liquid supply is provided, as happens with conventional purification devices having normal overflow weirs at the inlet end over which is diverted the excess supply towards a buffer vessel or directly towards a normal discharge duct.
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