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Corrosion protection for light oil tanks is intended to prevent leaks and explosion risks caused by corrosion, as well as to ensure the quality of the oil and environmental safety. Gases and liquids such as gasoline and diesel stored in lightweight oil tanks are highly volatile and corrosive, which can lead to electrochemical corrosion within the tanks; the corrosion is most severe at the gas-liquid interface, as well as at the bottom and top of the tank. The specific reasons are as follows: To prevent structural damage: Corrosion thins the steel plates of the tank walls and bottom, and in severe cases can lead to perforations and leaks, threatening the structural integrity of the storage tank. Prevent safety accidents: Corrosion can lead to oil and gas leaks, increasing the risk of serious incidents such as fires and explosions, especially in environments where static electricity accumulates. Ensuring oil quality: Corrosion products (such as rust and sulfides) can contaminate oil, leading to an increase in gums and pH levels, which affects combustion performance and equipment operation. Extended service life: Effective corrosion prevention can significantly prolong the lifespan of oil tanks, reduce replacement and maintenance costs, and improve economic efficiency. Reduce environmental pollution: Prevent oil leaks from contaminating soil and water bodies, meeting environmental protection requirements. Common anti-corrosion measures include the use of high-performance coatings such as epoxy resins and glass flake coatings, in combination with cathodic protection technology, along with regular inspection and maintenance.