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    1. Home  >>  News

      Is Cryogenic Liquid Tank periodic inspection important?

      Dec. 24, 2019

      With the rapid development of the economy, the scope of use of Cryogenic Liquid Tank is expanding, and it has been widely used in various industries such as chemical industry, electric power, machinery, medical and health, transportation and other industries. The structure of the low-temperature insulation container is different from that of ordinary pressure vessels. Its structure adopts a unique vacuum jacketed structure, that is, different insulation methods are used between the sealed metal liner and the outer shell according to different design requirements (insulation of vacuum powder materials, insulation of fiber materials), Multilayer insulation, etc.), so that the interlayer reaches a certain degree of vacuum. The particularity of this type of container in terms of structure and use determines that this type of product is a technology-intensive product. Its manufacturing and production process.

      Cryogenic Liquid Storage Tank

      Cryogenic Liquid Storage Tank

      With the rapid development of the economy, the range of use of low-temperature insulation containers have been expanding, and it has been widely used in various industries such as chemical industry, electric power, machinery, medical care, transportation and other industries.

      The structure of Cryogenic Liquid Storage Tank is different from that of ordinary pressure vessels. Its structure adopts a unique vacuum jacketed structure, that is, according to different design requirements, different thermal insulation methods are used between the sealed metal liner and the outer shell (vacuum powder material insulation, fiber material Insulation, multi-layer insulation, etc.), to make the interlayer reach a certain degree of vacuum. The particularity of this type of container in terms of structure and use determines that this type of product is a technology-intensive product. Its manufacturing and production process involves low-temperature materials such as low-temperature materials, low-temperature welding, low-temperature adsorption, pressure vessel technology, vacuum technology, inspection Leakage technology and other comprehensive technologies, therefore, its corresponding inspection and technical requirements are also somewhat different from ordinary pressure vessels.

      Because its structure is a fully-enclosed vacuum sandwich container and the medium is a cryogenic liquid, the inner liner cannot be inspected directly, which adds difficulty to the inspection. At the same time, the corresponding inspection specifications and procedures are not clear, and the practicality of the actual inspection is not strong, which also brings certain difficulties to the regular inspection work. In order to ensure the reliability of the inspection, it is necessary to carry out a systematic analysis of the factors that affect safety during the operation of the cryogenic container, and understand the inherent laws of the cryogenic container, so as to determine the content and method of the inspection of important links and key factors. At present, the application range of low-temperature adiabatic pressure vessels is getting wider and wider, and development is getting faster and faster. The periodic inspection of low-temperature adiabatic pressure vessels is mainly characterized by the invisibility of the inner liner and the special requirements of the thermal insulation performance of the vacuum jacket. There is a certain degree of danger during operation. Therefore, regular inspection of cryogenic pressure vessels is particularly important. As our inspection workers, we must strictly implement the requirements for the inspection process of cryogenic vessels during the inspection, and carry out a comprehensive analysis and research of inspection items and operating conditions in accordance with actual conditions to ensure the safe operation of cryogenic adiabatic pressure vessels. We are Cryogenic Liquid Tank Factory, welcome to consult.


      三浦恵理子