Underground pipe network refers to the general name of urban water supply and drainage, gas, electricity, telecommunications, cable TV, and other underground pipe networks, and is also the lifeline of the city 010-5718-2232.
Underground pipe network refers to the general name of urban water supply and drainage, gas, electricity, telecommunications, cable TV, and other underground pipe networks, and is also the lifeline of the city. The city is mainly composed of three major pipeline systems: water, gas and heat. It is divided into water supply (tap water), sewage (rain water, sewage discharge system), heat pipe (gas, water), gas pipeline (gas, natural gas), and power supply. Telecom pipelines, etc. Zhisheng Weihua ZS anti-corrosion coating researchers pointed out that the underground environment is relatively humid, and the soil generally can not isolate the air. The carbon particles in the soil can form a corrosion battery with the steel, which greatly accelerates the corrosion of the steel.
Soil electrolysis weight loss, pH value, chloride ion amount, scattered electron amount, humidity, moving friction, etc. are all causing corrosion to underground materials. The corrosion rate of the material in the underground Cl- ion concentration is the average corrosion rate of the underground material and the local corrosion growth rate. The results show that as the Cl- ion concentration in the soil increases, the corrosion corrosion rate increases, and the Cl- ion concentration on the local corrosion The promotion of the expansion rate is significantly higher than the average corrosion rate. Underwater centralized causticity of groundwater, when water contains more CO2 and SO2-4, or when H+ concentration is higher, water is aggressive, and water containing aggressive CO2 can dissolve calcium in concrete. Disintegrate the concrete. In order to make the underground pipe network resist these corrosions for a long time, the pipe network must be coated with inorganic anti-corrosion coatings. Anti-corrosion coatings refer to the anti-corrosion effect on metals and other materials, and protect the service life of materials such as non-ferrous metals. The progress of society, the development of technology, and the types and applications of anti-corrosion coatings are also expanding. The improvement of working conditions requires strict development of performance standards for anti-corrosion coatings. Now adopting the world's latest anti-corrosion research and development technology, the solution is made up of a new type of inorganic polymer chelate synthesis membrane solution, which is based on siloxy-Si-O-Si-bonds and grafted with organic alkyl side chains. The hydroxyl group is an anti-corrosion film-forming material which is end-chain chelated. The bond has a good ternary synergistic effect on the chelating hydroxyl group and alkyl group attached to the silicon atom, and the solution has strong stability and reduces the internality of the polymer. The effect of the film formation is denser, the adhesion is strong, and the temperature is high. The successful development of the chelated anti-corrosion coating film-forming solution avoids the traditional, anti-corrosive coatings with low, medium and cumbersome construction processes. The coating has a single coating. It can be painted 2 times or more according to different working conditions. . This is the ZS-711 inorganic anti-corrosion coating jointly developed by Beijing Zhisheng Weihua Chemical Co., Ltd. Joint Force Research Institute. The coating was first developed in response to the high anti-corrosion demand of military battle equipment. The coating is mainly used in amphibious warships, underground, sewage, Chemical equipment, tanks, hulls, aerospace heavy anti-corrosion coatings, good anti-corrosion effect, can be used in underground pipe network for more than 20 years.
According to the definition of "corrosion", it refers to the damage caused by the action of matter (object) and the environment, and underground anti-corrosion is no exception. Specific to the underground pipeline, in terms of the external environment, it is the chemical, physical chemistry, and electrochemical action of the pipeline (material) and the soil environment (medium), resulting in partial or overall destruction of the pipeline. As the material of the pipe network pipe, there are mainly metals (cast iron, steel, steel) and concrete, especially steel materials, which are mainly subjected to electrochemical corrosion, while concrete is subject to chemical and physical chemical corrosion. In addition, the corrosion inside the pipeline occurs between the material of the pipeline and the medium (gas, water, etc.) that is transported. The corrosion of the pipeline varies greatly depending on the medium. Therefore, underground pipe network pipelines will be affected by internal and external corrosion, typically sewage pipelines, which will be affected by internal (sewage) and external (soil) media.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
Underground pipe network refers to the general name of urban water supply and drainage, gas, electricity, telecommunications, cable TV, and other underground pipe networks, and is also the lifeline of the city. The city is mainly composed of three major pipeline systems: water, gas and heat. It is divided into water supply (tap water), sewage (rain water, sewage discharge system), heat pipe (gas, water), gas pipeline (gas, natural gas), and power supply. Telecom pipelines, etc. Zhisheng Weihua ZS anti-corrosion coating researchers pointed out that the underground environment is relatively humid, and the soil generally can not isolate the air. The carbon particles in the soil can form a corrosion battery with the steel, which greatly accelerates the corrosion of the steel.
Soil electrolysis weight loss, pH value, chloride ion amount, scattered electron amount, humidity, moving friction, etc. are all causing corrosion to underground materials. The corrosion rate of the material in the underground Cl- ion concentration is the average corrosion rate of the underground material and the local corrosion growth rate. The results show that as the Cl- ion concentration in the soil increases, the corrosion corrosion rate increases, and the Cl- ion concentration on the local corrosion The promotion of the expansion rate is significantly higher than the average corrosion rate. Underwater centralized causticity of groundwater, when water contains more CO2 and SO2-4, or when H+ concentration is higher, water is aggressive, and water containing aggressive CO2 can dissolve calcium in concrete. Disintegrate the concrete. In order to make the underground pipe network resist these corrosions for a long time, the pipe network must be coated with inorganic anti-corrosion coatings. Anti-corrosion coatings refer to the anti-corrosion effect on metals and other materials, and protect the service life of materials such as non-ferrous metals. The progress of society, the development of technology, and the types and applications of anti-corrosion coatings are also expanding. The improvement of working conditions requires strict development of performance standards for anti-corrosion coatings. Now adopting the world's latest anti-corrosion research and development technology, the solution is made up of a new type of inorganic polymer chelate synthesis membrane solution, which is based on siloxy-Si-O-Si-bonds and grafted with organic alkyl side chains. The hydroxyl group is an anti-corrosion film-forming material which is end-chain chelated. The bond has a good ternary synergistic effect on the chelating hydroxyl group and alkyl group attached to the silicon atom, and the solution has strong stability and reduces the internality of the polymer. The effect of the film formation is denser, the adhesion is strong, and the temperature is high. The successful development of the chelated anti-corrosion coating film-forming solution avoids the traditional, anti-corrosive coatings with low, medium and cumbersome construction processes. The coating has a single coating. It can be painted 2 times or more according to different working conditions. . This is the ZS-711 inorganic anti-corrosion coating jointly developed by Beijing Zhisheng Weihua Chemical Co., Ltd. Joint Force Research Institute. The coating was first developed in response to the high anti-corrosion demand of military battle equipment. The coating is mainly used in amphibious warships, underground, sewage, Chemical equipment, tanks, hulls, aerospace heavy anti-corrosion coatings, good anti-corrosion effect, can be used in underground pipe network for more than 20 years.
According to the definition of "corrosion", it refers to the damage caused by the action of matter (object) and the environment, and underground anti-corrosion is no exception. Specific to the underground pipeline, in terms of the external environment, it is the chemical, physical chemistry, and electrochemical action of the pipeline (material) and the soil environment (medium), resulting in partial or overall destruction of the pipeline. As the material of the pipe network pipe, there are mainly metals (cast iron, steel, steel) and concrete, especially steel materials, which are mainly subjected to electrochemical corrosion, while concrete is subject to chemical and physical chemical corrosion. In addition, the corrosion inside the pipeline occurs between the material of the pipeline and the medium (gas, water, etc.) that is transported. The corrosion of the pipeline varies greatly depending on the medium. Therefore, underground pipe network pipelines will be affected by internal and external corrosion, typically sewage pipelines, which will be affected by internal (sewage) and external (soil) media.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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