2018-09-11 18:44:53 By:NVirotech Bolted Tank (1869)
The Bolted Steel Storage Tanks has been published for about 50 years. They are used in municipal and industrial fields to store liquids, slurry and bulk products. Compared with other storage tanks, Bolted Steel Storage Tanks have the advantages of good chemical stability, strong mobility and short construction period.
Bolted Steel Storage Tanks is flat, rectangular, directly rolled or cut from wide steel strip. Steel plate is divided by thickness.
In this paper, the manufacturing process of Bolted Steel Storage Tanks is comprehensively expounded, including requirements for steel products, glaze properties and product quality. The development of new enamel glaze without fish scale is also discussed. They can be used in the so-called "unsuitable coating" building steel plate.
After welding the bottom of Bolted Steel Storage Tanks on the base, the first ring plate of the tank wall is butted with the bottom plate and welded separately. Then the second ring wall panel and the first wall panel are assembled and welded by machine until the last ring panel is welded. Finally, the roof of the tank is reinstalled. The large floating roof tank is usually constructed by the formal method.
The construction procedure of the inversion method is opposite to the formal method. The construction procedure of the inversion method is: laying the bottom plate of the tank - installing the most upper ring plate on the paved tank floor - making and installing the top of the tank - the whole lifting - the next ring plate - the whole lifting -... Until the next lap, install from top to bottom.
The installation of the inversion method is basically carried out on the ground, avoiding the high altitude operation, ensuring the safety, improving the quality and efficiency, and is widely used in the storage tank construction. The construction of the vault tank is much more constructed by this method.
The inflatable lift is to use the structure and sealing performance of Bolted Steel Storage Tanks itself. According to the reverse order, the air is draped into the tank by the blower. When the pressure of the compressed air exceeds the weight of the tank, the tank begins to rise slowly. When the tank rises to a certain height, the volume of the inlet is controlled and the tank is balanced and maintained. Set height, then assemble and weld with the next lap until finished.
The installation of inflatable lift is a kind of installation technology of manpower and material power, which is superior to the commonly used or inverted assembly. It has been widely used in the construction of large vault tank in our country.
Materials according to Bolted Steel Storage Tanks: materials required for storage tank engineering are divided into tank materials and ancillary facilities. The tank material can be divided into low strength steel and high strength steel according to the tensile yield strength or tensile standard strength, and high strength steel is used for more than 5000m3 storage tanks.
The auxiliary facilities (including wind resistant gird, lock, ladder, fence, etc.) use ordinary carbon structural steel with low strength, and the rest parts and accessories are used for the use of other applications according to different uses. Materials, made of commonly used domestic steel tanks 20, 20R, 16Mn, 16MnR, and Q235 series.
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