DIRECT CURRENT CONVERTER VALVE COOLING WATER CHANNEL AND ELECTRODE AND METAL ELECTRODE BODY THEREOF

摘要

Provided are a direct current converter valve cooling water channel and an electrode and a metal electrode body thereof (3). A metal electrode body of an electrode comprises a central column portion (31) installed at an electrode base (1). A helical wrapping portion (32) surrounds the central column portion. The helical wrapping portion (32) has a start section (321) at the top thereof and a tail section (322) at the bottom thereof. The start section of the helical wrapping portion is connected to the top of the central column portion.