稳定的电绝缘性,降低阴极保护电流。
Stable electric insulation to reduce cathodic protection current.
调制阴极保护电流而产生的轴频电场最大的幅值比调制腐蚀电流所产生的电场大10倍之多。
The amplitude of electric shaft-frequency electric field by modulating the current of ICCP system is 10 times greater than that of corrosion current.
在海洋中,阴极保护电流对于系统以外不远处的金属来说,是一种杂散电流。这种杂散电流是阴极保护系统自己生成的。
In the sea, cathodic protection current is a stray current to the metal which is out of the system but not far from it.
研究一种确定旧管道阴极保护电流密度的新方法。现场试验结果表明,运用该方法确定旧管道阴极保护电流密度是准确实用的。
A new method is introduced to determine the current density required for protecting an aged underground pipeline. The field test results show that this method is exact and practical.
这种杂散电流是阴极保护系统自己生成的。
The stray current is produced by the cathodic protection system itself.
论述了金属的电化学腐蚀和外加电流阴极保护原理。
Electrochemical corrosion of metal and principle of the applied current cathodic protection are expounded.
另外压载水舱内部结构复杂,“屏蔽效应”对保护电流分布的影响也成为阴极保护设计中的关键问题。
In addition, inside structure of ballast water tank is very complex, shield effect to protective current also becomes a key problem in cathodic protection design.
本文介绍了在舰船外加电流的阴极保护系统中,作为智能控制核心的PID控制的选择与应用。
This article presents the selection and application of PID control which ACTS as the intelligent control core in the ship's impressed current cathodic protection system.
牺牲阳极法阴极保护因其不需电源、管理简单、电流分布均匀,特别是对于形状特殊的构筑物。
The sacrificial anode cathodic protection features no power source, simple management and even current distribution. It is well received especially on special shaped structure.
根据室外现场埋片试验结果,讨论了杂散电流对牺牲阳极阴极保护性能的影响。
From the experiment result of metal specimens buried in underground, discussing the influence of AC stray current on cathode protection by using galvanic anode method.
介绍了模拟海洋环境的混凝土钢筋导电油漆型外加电流阴极保护系统。
The system of applied electric current cathodic protection for concrete reinforcing bar painted conductive coating in simulated ocean environment was introduced.
有两种对电解质中金属表面提供阴极保护的基本方法,它们是原电池阴极保护和外加电流阴极保护。
There are two basic methods of applying cathodic protection to a metallic structure in contact with an electrolyte. These are galvanic cathodic protection and impressed current cathodic protection.
重点介绍了阴极保护的具体做法,一种是以钛基阳极作为辅助阳极的外加电流法,另一种是采用锌板阳极的牺牲阳极法。
Specific cathodic protection methods, including titanium based anode for impressed current system and Zn sheet anode for sacrificial anode system, are introduced.
本产品的适用范围包括土壤中直接埋设、电缆桥架中安装、浸没在水中、埋设在海洋泥浆中和自由流动海水装置中铺设的外加电流阴极保护系统。
This product scope including soil directly bury cable tray installed in the submerged in water and Marine mud buried in the free flow of water device laid impressed current cathodic protection system.
强制电流阴极保护技术是防止和缓解金属腐蚀的有效措施,因此得到了广泛应用。
Impressed current cathodic protection technique is a kind of efficient measures for avoiding and slower the metal corrosion, so it was used more and more widely.
依据输油管线的腐蚀情况,选用了强制电流深井阳极阴极保护技术。
The applied-current deep-well anode cathodic protection technology has been selected for oil pipeline based upon corrosion conditions.
主要用途:高硅铸铁阳极广泛应用于海上石油钻井平台、地下管道、地下电缆等设施的外加电流的阴极保护。
Main application: It is Widely applied to the impressed current cathodic protection of oil drilling platform at sea, buried pipeline and cables under ground.
有限元法已被证明是计算阴极保护场中电位、电流密度分布的有效方法。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
应用:高硅铸铁阳极广泛应用于海上石油钻井平台,地下管道地下电缆等设施的外加电流的阴极保护。
Applying: broadly used in the outer current cathode protection of the sea oil drilling platform, underground pipe and cable etc.
阴极保护常采用牺牲阳极法和外加电流法。
Normally cathodic protection is acquired by sacrificial anodes or impressed current.
为了缓解腐蚀问题,应用牺牲阳极法和外加电流法阴极保护技术,在油井井下和储油罐等处进行了试验。
To mitigate the corrosion, the sacrificing anodes and applied current protection techniques are applied and tested in the oil Wells and storage tanks.
绝缘法兰漏电会缩小阴极保护站的有效保护范围,增大阴极保护站的输出电流。
The electric leakage of insulated flange will narrow the effective protection scope and widen the output current for CP station.
试验结果表明,对裸钢采用阴极保护时,所需电流密度较大,实施难度较大;而对有涂层的钢则更宜采用阴极保护措施。
Results show that it is difficult to make cathodic protection on bare steel because of large current density, and that cathodic protection is suitable for coated steel.
ICCP是外加电流阴极保护。
为了防止金属腐蚀,研制新型恒电位仪来实现对金属外加电流的阴极保护。
In order to prevent metal from corrosion, a kind of novel potentiostat is designed, which realizes technology of cathodic protection to the metal.
本文分析了地下结构物外加电流阴极保护用阳极的工况环境条件;
The requirements of impressed current anodes for the protection of underground structures were presented in this paper according to the analysis of working conditions.
结果表明,实验条件下脉冲电流阴极保护与直流阴极保护相比,二者的保护度相当,而脉冲电流阴极保护有更小的平均电流消耗和更高的保护效率。
The results show that compared with DC, SWPC can achieve the same protective property with less average current consumption, and has much higher protective efficiency.
结果表明,实验条件下脉冲电流阴极保护与直流阴极保护相比,二者的保护度相当,而脉冲电流阴极保护有更小的平均电流消耗和更高的保护效率。
The results show that compared with DC, SWPC can achieve the same protective property with less average current consumption, and has much higher protective efficiency.
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