Coaxial hydromagnetic device for hydraulic circuits containing c

Details Coaxial hydromagnetic device for hydraulic circuits containing c Coaxial hydromagnetic device for hydraulic circuits containing c

1978-07-24

1980-08-05

Hart, Charles N.

Liquid purification or separation

Magnetic

B03C 114

Patent

active

042160928

ABSTRACT:
A coaxial hydromagnetic device for inhibiting or reducing the adhesion of calcium and magnesium scale to heat transfer surfaces, boiler walls, and similar surfaces which must be kept free from undesirable scale deposits on exposure to "hard" water, the present hydromagnetic device comprises magnets mounted preferably within a non-ferrous receptacle, the magnets being preferably separated by plastic spacers. The respective adjacent poles of the magnets are of like polarity. The magnet-containing receptacle is supported within a water feed-line, an outer tubular envelope formed of non-ferrous material preferably containing the magnet-containing receptacle and being disposed in the water feed-line. In a particular embodiment of the invention, the outer envelope has a number of spaced annular constrictions formed therein, one or more permanent magnets being held within the central hollow cavity of the envelope preferably within a non-ferrous receptacle as aforesaid. In another embodiment of the invention, magnets encircle the annularly constricted outer envelope, a preferably removable soft iron core being held within the central hollow cavity of the envelope. The location of the annular constrictions in the envelope coincides with each source or "sink" of magnetic field lines produced by the magnet or magnets. The hollow cavity of the envelope in preferred embodiments of the invention is accessable at one end for insertion or removal of magnetic structure without disturbing the hydraulic circuit. The present structure is particularly configured to initiate auto-nucleation of scale within the bulk of the liquid passing through the device.

REFERENCES:
patent: 2652925 (1953-09-01), Vermeilen
patent: 2678729 (1954-05-01), Spidg
patent: 2825464 (1958-03-01), Mock
patent: 2937710 (1960-05-01), Michael et al.
patent: 3228878 (1966-01-01), Moody
patent: 3669274 (1972-06-01), Happ et al.
patent: 3923660 (1975-12-01), Kottmeier
patent: 3951807 (1976-04-01), Sanderson

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