The main anti-corrosion measures for anti-corrosion storage tanks

2025-04-15 08:52

There are various main anti-corrosion measures for anti-corrosion storage tanks, aimed at protecting them from various corrosive media and ensuring their safe and stable operation. The following are several main anti-corrosion measures:(Anti corrosion storage tank)

1. Coating anti-corrosion

Coating anti-corrosion is one of the commonly used methods for anti-corrosion storage tanks. By applying anti-corrosion coating on the inner and outer walls of the storage tank, a dense protective layer is formed to effectively block the tank from contact with the external environment, thereby slowing down the occurrence of corrosion. Common coatings include epoxy resin, polyurethane, etc., which have good oil resistance, water resistance, weather resistance, and corrosion resistance. Before construction, the surface of the storage tank needs to be thoroughly cleaned, rust removed, and dried to ensure a tight bond between the coating and the substrate.

2. Electrochemical anti-corrosion

Electrochemical corrosion protection is based on the principle of electrochemistry to protect storage tanks. By applying current on the surface of the storage tank, a dense oxide film can be formed to isolate the tank from the external environment. This method has good anti-corrosion effect and long service life. Electrochemical corrosion prevention includes applied current method and sacrificial anode method. The former is suitable for large storage tanks, while the latter is suitable for small and medium-sized storage tanks.(Anti corrosion storage tank)

3. Lining anti-corrosion

Lining anti-corrosion is to stick or spray a layer of corrosion-resistant materials such as fiberglass, rubber, plastic, etc. on the inner wall of the storage tank. These materials have good corrosion resistance and strength, which can effectively protect the inner wall of the storage tank from corrosion. However, the construction of lining anti-corrosion is difficult and requires technical and equipment support.(Anti corrosion storage tank)

4. Cathodic protection

Cathodic protection is achieved by installing cathodic protection equipment outside the storage tank, making it a cathode and thereby slowing down the corrosion rate. This method has low environmental pollution and good anti-corrosion effect, but the cost is relatively high.(Anti corrosion storage tank)

In summary, there are various anti-corrosion measures for anti-corrosion storage tanks, and suitable anti-corrosion methods should be selected based on factors such as tank material, storage medium, and working environment.

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