API 650 ground supported liquid storage tanks for non-refrigerated service

Tank cracks are common API 650 ground supported liquid storage tanks defects, mainly including tank wall cracks, internal cracks, weld zone cracks. The reason for these defects may be that the defects not exceeding the standard existed in the early stage of API 650 ground supported liquid storage tanks construction, which become obvious after the later use. Or in the process of using the API 650 ground supported liquid storage tanks, the tank body material generated new defects due to corrosion, pressure, wear and other reasons, and tank cracks.

API 620 Tank Design
The designer of these large tanks API 650 ground supported liquid storage tanks shall supply the data on superimposed loadings to be assumed for the foundation design or, if there are no foundations, for direct loading on the subgrade. A slab or mat may be provided to support the superstructure and shall be considered to distribute the load more evenly over a lower natural subgrade compared with merely stripping, leveling, and rolling the existing grade.
For simple spheroids or tanks of similar design, in which the distribution of the imposed weights shifts because the liquid level in combination with the vapor pressure may change the shape of the tank, the designer shall consider the possibility of such a change.

Welded steel API 650 ground supported liquid storage tanks storage tanks that are designed, manufactured and installed on the ground are classified according to the API standard system. The three API standards API 650 ground supported liquid storage tanks all adopt on-site production and installation of storage tanks.

The company always adheres to the concept of green production, follows the development path of innovation, transformation and improvement, and has carried out in-depth cooperation with Zhengzhou University and other scientific research institutes, planning from a high starting point, strict standard design, and successfully implementing engineering projects With nearly 20 research and development projects, the company's production technology and equipment are at the forefront of the industry, and indicators such as environmental protection, energy consumption, cost, and resource utilization have reached the advanced level in the industry.

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