储罐铝牺牲阳极块多钱一公斤
牺牲阳极可采用焊接或螺栓固定两种方式安装,一般说来焊接固定方法简单、安装牢度高、接触电阻小,而螺栓安装容易更换,更换时可不损坏周围及钢板反面的涂层。
储罐和管道内壁常用的阴极保护方法就是牺牲阳极保护法,牺牲阳极可以不用担心电源的连接而可以任意布置;它的电位是有限的,就没有担心过保护危险的必要;可以做成任意形状的牺牲阳极。大型水罐,比如高价水罐、电站的河水罐、海水储罐、锅炉的供水罐等都可以使用此牺牲阳极。
储罐铝牺牲阳极块多钱一公斤
The tank is often corroded by various harmful media in the use process, which leads to the increasingly prominent safety problems. The most serious corrosion is at the bottom of crude oil tank, most of which are ulcer like pit corrosion until perforation. It mainly occurs in the weld area, depression and deformation. The tank is often corroded by various harmful media in the use process, which leads to the increasingly prominent safety problems. The most serious corrosion is at the bottom of crude oil tank, most of which are ulcer like pit corrosion until perforation. It mainly occurs in the weld area, depression and deformation.
阴极保护是由金属的电化学腐蚀原理发展而来,由于金属体本身或外界环境的不均匀性,在电解质溶液中形成不同的电极电位区,构成短路腐蚀原电池。由于电极反应产生腐蚀电流,并导致电极电位发生变化(即极化),使阴、阳极电位接近达到准平电位(腐蚀电位),相应电流即是腐蚀电流。swc75123 |