Corrosion protection for heat exchangers
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United States of America Patent
Stats
-
Jan 24, 1989
Grant Date -
N/A
app pub date -
May 8, 1986
filing date -
Sep 19, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to anodic corrosion protection for heat exchangers and comprises cathodes put into the inlet channel and the outlet channel for the corrosive medium and an anode constituted by the metal being the partition walls in the heat exchanger. The anode and the cathodes are integral parts of a direct current circuit, the amperage of which is influenced by a control reference electrode placed in the flow way for the corrosive medium. The characterizing feature of the invention is that the control reference electrode (11) is arranged in the ordinary or a separate flow way for the corrosive medium at an essential distance from the cathodes (9, 10) so that the corrosion protection of all parts of the heat exchanger, which are to be protected, is secured.
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