Product Category
Factors Influencing the Quality of Horizontal Buried Oil Tanks
Date: Sep 14, 2020
The horizontal buried oil tank is mainly composed of an inner tank and an outer tank. The outer tank of the horizontal buried oil tank seals the inner tank, which is very convenient and safe to use, so it is widely used for storing oil. The quality of oil tanks is related to gas stations, oil depot safety and people’s lives and property. Many major accidents are caused by the quality of pressure vessels. Next, Jianshen Metal will give you a brief introduction to the quality of horizontal buried oil tanks. the elements of:
1. When making horizontal buried oil tanks, when making plates, manufacturers should not lower the quality standards of the plates in order to save costs. There are some poor-quality steel materials with high carbon content and high sulfur content and other harmful elements. In the welding process, hot cracks are prone to occur, and the toughness of the weld is reduced, resulting in cracks in the weld and oil leakage from the oil tank.
2. The pressure vessel design is unreasonable, which reduces the project cost. In order to reduce costs and cut corners, some manufacturers reduce the thickness of the steel plate in the design, so that the strength of the horizontal buried oil tank is reduced, and the pressure vessel is deformed or even collapsed during the oil tank filling process.
3. During the installation process of horizontal buried oil tanks, no experienced personnel were hired for installation, because the welding seam stress was large during the installation process, and excessive force was used in the splicing welding seam process, which would easily cause the welding seam stress of the oil tank to increase. , The welding seam of the horizontal buried oil tank leaked oil during use.
4. The selection of materials is unreasonable. In many horizontal buried oil tanks, such as projects with more than 10,000 cubic meters, Q235 plates are used in the selection of buried oil tanks, resulting in insufficient strength at the bottom half of the horizontal buried oil tank. The buried oil tank is deformed.
The quality of the horizontal buried oil tank is very important, because its quality will affect the safety of the oil depot and the staff. Therefore, we must strictly control the quality to avoid dangerous things.
1. When making horizontal buried oil tanks, when making plates, manufacturers should not lower the quality standards of the plates in order to save costs. There are some poor-quality steel materials with high carbon content and high sulfur content and other harmful elements. In the welding process, hot cracks are prone to occur, and the toughness of the weld is reduced, resulting in cracks in the weld and oil leakage from the oil tank.
2. The pressure vessel design is unreasonable, which reduces the project cost. In order to reduce costs and cut corners, some manufacturers reduce the thickness of the steel plate in the design, so that the strength of the horizontal buried oil tank is reduced, and the pressure vessel is deformed or even collapsed during the oil tank filling process.
3. During the installation process of horizontal buried oil tanks, no experienced personnel were hired for installation, because the welding seam stress was large during the installation process, and excessive force was used in the splicing welding seam process, which would easily cause the welding seam stress of the oil tank to increase. , The welding seam of the horizontal buried oil tank leaked oil during use.
The quality of the horizontal buried oil tank is very important, because its quality will affect the safety of the oil depot and the staff. Therefore, we must strictly control the quality to avoid dangerous things.
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