Magnetic and ultrasonic discriminator for particle size distribu

Details Magnetic and ultrasonic discriminator for particle size distribu Magnetic and ultrasonic discriminator for particle size distribu

1996-04-12

1999-06-29

Williams, Hezron

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

73 5307, 73 6172, 738655, 210222, 210695, 324204, B01D 3506, B03C 102, B03C 130, C02F 148

Patent

active

059182725

ABSTRACT:
A flow-through system for determining the particle size distribution of iron oxide particulate matter in a reactor water sample. The system includes a magnetic filter having a chamber through which a stream of reactor water. The chamber is surrounded by a winding which is coupled to an electrical circuit for generating a varying magnetic field which interacts with any magnetic particulates entrained in the water sample flowing through chamber. When a strong magnetic field is established, magnetic particles are filtered out of the water stream flowing through the chamber by magnetic attraction. Therefore, only particles which are non-magnetic or slightly magnetic pass through the magnetic filter. The particles which pass through the magnetic filter then enter a conventional particle distribution analyzer which counts and sizes the particles in the water stream flowing therethrough.

REFERENCES:
patent: 2188516 (1940-01-01), Payne
patent: 3433057 (1969-03-01), Halsey
patent: 4909081 (1990-03-01), Kulczyk et al.
patent: 5061364 (1991-10-01), Metala et al.
patent: 5540089 (1996-07-01), Fitch
patent: 5708198 (1998-01-01), Fitch et al.

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