Liquid heaters and vaporizers – Cleaning – Trapped circuit
Patent
1997-05-12
1999-02-16
Walberg, Teresa J.
Liquid heaters and vaporizers
Cleaning
Trapped circuit
122379, 1224061, F22B 3748
Patent
active
058709770
ABSTRACT:
A boiler in which water is heated by passing through a furnace has a plurality of pipes for carrying water through the furnace. Each pipe is formed from high-carbon steel and is provided with a non-magnetic, electrically conductive inner lining. The lining, which is preferably electrically grounded, may be formed for example from copper metal, copper-filled organosilicon or copper-filled fluoroplastic material. In an alternative, or supplementary, implementation of the invention, the water circulation system of the boiler is provided with a plurality of magnetized granules. The granules, which preferably have a density of between about 0.5.times.10.sup.3 and about 1.0.times.10.sup.3 kg m.sup.-3, are carried through the boiler pipes by the water flow and help to reduce corrosion and scale deposition within the pipes.
REFERENCES:
patent: 846051 (1907-03-01), Ray
patent: 1625197 (1927-04-01), Eisenhauer
patent: 2994480 (1961-08-01), Carter
patent: 5575244 (1996-11-01), Dethier
Friedman Mark M.
New Devices Engineering a.k.a. Ltd.
Walberg Teresa J.
Wilson Gregory A.
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