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Discussion on cathodic protection methods of oversize tank bottom
Author(s):
MA Weiping
,
ZHANG Guozhong
,
LIANG Changhua
,
ZHANG Dapeng
,
LI Baidan
Pages:
65
-
67
Year:
2005
Issue:
4
Journal:
HENAN PETROLEUM
Keyword:
深井阳极
;
阴极保护
;
电位
;
储罐
;
Abstract:
针对以往深井阳极对储罐底板阴极保护数值模拟中存在的缺陷,提出一种根据典型电流密度分布假设求解保护电位的方法:计算区域由土壤和沥青砂基础构成,根据阴极保护体系物理模型近似计算深井阳极极化电位.针对特大型储罐(直径80 m)提出了两种阴极保护方案,根据数值计算结果评价了两种方案的优劣,并对特大型储罐阴极保护方法进行了初步探讨.
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