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  • Protection device against AC interference

    Protection device against AC interference

    In order to prevent possible AC interference to buried metal structures, reduce possible hazardous structures, and avoid related operations of electrical hazards, some effective protection devices and measures can be adopted, such as DC ...
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  • What is the function of intelligent potential acquisition instrument for pipeline?

    What is the function of intelligent potential acquisition instrument for pipeline?

    China's energy structure is characterized by rich coal, poor oil and little gas, and the dependence of oil and gas resources on foreign countries has always been high. With the improvement of people's living standards, the popula...
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  • Cathodic protection of cast iron pipes in water supply network(1)

    Cathodic protection of cast iron pipes in water supply network(1)

    The anti-corrosion technology research of water supply network has been the focus of people's attention. The corrosion of water supply network not only causes serious waste of water resources and economic losses, but also causes seco...
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  • Cathodic protection of cast iron pipes in water supply network(2)

    Cathodic protection of cast iron pipes in water supply network(2)

    As an important component of urban infrastructure, the research on corrosion and anti-corrosion technology of water supply network has been paid close attention. Metal pipe has the advantages of high strength and low price. There are a l...
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  • Application scope of cathodic protection

    Application scope of cathodic protection

    1. Applicable corrosion type:Comprehensive corrosion, selective corrosion, galvanic corrosion, crevice corrosion, intergranular corrosion, pitting corrosion, stress corrosion, fatigue corrosion, erosion corrosion, etc;2. Applicable metal...
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  • Characteristics of regional cathodic protection

    Characteristics of regional cathodic protection

    Regional cathodic protection is to protect all buried pipelines and metal facilities within the protection scope of the station. Its characteristics are as follows:(1) Protection current loss is largeThe complex buried facilities in the ...
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  • Several typical impressed current cathodic protection systems

    Several typical impressed current cathodic protection systems

    1. Suspended anode systemIn this system, the auxiliary anode is installed in the insulated frame, and then it is suspended freely from the bottom of the protective tube on the water to the specified depth in the water. Under the action o...
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  • Impressed current cathodic protection of underground metal structures

    Impressed current cathodic protection of underground metal structures

    We have already mentioned sacrificial anode cathodic protection system. Now we will talk about impressed current cathodic protection system. The first is the test project. The test items include soil resistivity, natural potential, anode...
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  • Impressed current cathodic protection technology: Titanium Anode(1)

    Impressed current cathodic protection technology: Titanium Anode(1)

    Titanium anode is a common auxiliary electrode for impressed current cathodic protection. The service life of titanium anode is related to the protection life of the whole cathodic protection system. It is a long-term concern for researc...
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  • Impressed current cathodic protection technology: Titanium Anode(2)

    Impressed current cathodic protection technology: Titanium Anode(2)

    3.Comparison of applied current with other titanium anodeThe auxiliary electrode is an important part of impressed current cathodic protection. A good auxiliary electrode should have the following properties:1) Good conductivity, high cu...
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  • Impressed current cathodic protection technology: Titanium Anode(3)

    Impressed current cathodic protection technology: Titanium Anode(3)

    3. Comparison of applied current with other titanium anodeThe auxiliary electrode is an important part of impressed current cathodic protection. A good auxiliary electrode should have the following properties:1) Good conductivity, high c...
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  • Application of flexible anode technology in North America

    Application of flexible anode technology in North America

    Many successful experiences have been achieved in the application of flexible anode cathodic protection in the United States, such as the protection of old pipelines, large tanks, special environmental areas and anti-interference areas.T...
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