| 摘要 |
<p>An electrode arrangement for cathodic protection of the metallic body part (3) of a rotating perforated roll, said arrangement comprising an anode (4) and an electrolyte in contact with the metallic body part of the roll that is to be protected and with the anode, the body part of the roll, which is to be protected, being connected to the cathode (6), wherein on the inside of the hole (2) in the perforated roll (1) has been placed an insulator (7) and an electrode constituting the anode (4), insulated against the body part by an insulator.</p> |
