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A liquid chlorine vaporizer is an important device in the chlor-alkali industry, whose function is to convert liquid chlorine into gaseous form. Common types of vaporizers include tube-type vaporizers and coil-type vaporizers, etc. In liquid chlorine vaporizers, since the pipe ends on the tube sheet are generally joined by expansion bonding or welding, complex flow media can easily cause stress cracks and corrosion at these pipe ends, leading to leaks. 1. Crevice corrosion: Crevice corrosion is the most common type of corrosion among all kinds. Crevice corrosion can occur between different materials as well as within the same material. It appears in the form of cracks; when there is an insufficient supply of oxygen, the passivation film is damaged, leading to crevice corrosion. An effective way to prevent such corrosion is to increase the content of chromium and molybdenum in the alloy. 2. Pitting corrosion: The local corrosion that occurs in the metal passivation film is known as pitting corrosion. If the rate of regeneration of the passivation film is not fast enough, the corrosion rate will increase, and the degree of corrosion will worsen further. This type of corrosion occurs more easily in water containing halides. 3. Stress cracking corrosion: Stress cracking corrosion occurs when metal develops cracks as a result of tensile stress and a corrosive environment. To address the aforementioned corrosion issues, companies also actively seek appropriate methods to deal with it. 1. Strictly control the quality of equipment manufacturing ； Strict airtightness tests are conducted on the manufactured equipment to ensure that no manufacturing defects or hidden risks remain. 2. Adopt appropriate methods to effectively prevent medium corrosion. 3. For areas that have suffered corrosion and wear, appropriate methods should be used for leak sealing and repair; welding or the use of Sorex carbon nanopolymer materials can all serve as effective solutions for such repairs.