FIELD: electrical engineering.
SUBSTANCE: invention pertains to cathode protection of underground structures from corrosion, particularly to direct current earthing devices, and can be used in many industries. The anode earthing device has an electrode made from slightly soluble material, a current lead made in the front depression on the electrode filled with a compound, in which a cable conductor is caulked-in and stopper, which closes the front depression. The compound is multilayered. The layers are alternately made from material highly adhesive to the insulation of the connecting cable, and material highly adhesive to the electrode, such that the outer layer is made from material highly adhesive to the electrode.
EFFECT: highly reliable anode earthing device.
3 cl, 1 dwg, 1 ex
Title | Year | Author | Number |
---|---|---|---|
EARTH ANODE | 2006 |
|
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Authors
Dates
2008-09-10—Published
2006-09-25—Filed