Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1980-05-27
1983-06-14
Tung, T.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204147, 405 36, 137268, 422261, 422902, C23F 1300
Patent
active
043881688
ABSTRACT:
A cathodic protection anode may be provided with arrangements for continuously supplying a slightly conductive aqueous solution to the ground above the anode so that the body of earth within which the anode is located is both moist and conductive. Above each anode may be mounted a container which includes rock salt forming a saturated salt water solution, and mixing arrangements for combining the saturated salt solution and fresh water in the desired proportion to form the slightly conductive aqueous solution. A long capillary tube is employed to feed water in very small quantities to the saturated salt solution, and a much shorter capillary tube feeds greater quantities of water to the mixing device so that a metered flow of the saline solution is combined with much larger metered flow of fresh water. The fresh water inlet tube and the insulated conductor for powering the anode may be included within a single plastic conduit extending from a central location to the individual anode structures.
REFERENCES:
patent: 2244322 (1941-06-01), Zoller et al.
patent: 2810690 (1957-10-01), Campise et al.
patent: 2847375 (1958-08-01), Murphy
patent: 3443385 (1969-05-01), Vollmer
patent: 3458643 (1969-07-01), Dorr
patent: 3461043 (1969-08-01), Guerrant
patent: 3616354 (1971-10-01), Russell
patent: 3725669 (1973-04-01), Tatum
patent: 3800026 (1974-03-01), Morgan
"Temperature Rise in Underground Impressed Current Anodes", Reprinted from Corrosion, vol. 36, No. 4, pp. 161-167, Apr. 1980.
Smith & Denison
Tung T.
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