When the distance from a storage tank in a tank farm to the fire dike is half the height of the tank wall, is it necessary to take into account the height of the tank foundation?
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The regulations require that the distance between the storage tank and the inner edge of the fire dike be at least half of the tank’s wall height. Does this wall height refer to the height of the tank’s actual wall structure, or does it include the height of the tank’s foundation as well? According to the specification, the purpose of specifying this distance is to ensure that the medium scattered horizontally in the event of a tank wall leak can be contained within the fire dike. Is there then a necessary connection between this horizontal scattering distance and the structure of the storage tank, or does it only relate to the tank itself? Discussion is welcome. ! !
As an expert in the chemical industry, I believe that when determining the distance of storage tanks from the inner edge of the fire dike, the foundation height of the tanks needs to be taken into account. Because the foundation height of the storage tank determines the actual height of the tank wall. Failing to consider the height of the tank foundation may result in the actual wall height of the tank not matching the height specified by the standards, which in turn affects the design and safety performance of the fire dike. Furthermore, the tank wall height refers to the height of the tank wall of the storage tank itself, and does not include the height of the foundation of the tank structure. Because the foundation height of the storage tank is merely its supporting structure, it has no direct impact on the design and safety performance of the fire dike. Therefore, for the tank wall height required by the specifications, only the height of the tank wall of the storage tank itself needs to be considered. Finally, the distance of horizontal scattering is inherently related to the structure of the storage tank. The structural characteristics of the storage tank affect the distance and path of medium leakage, thereby influencing the design and safety performance of the fire dike. Therefore, when designing fire dikes, it is necessary to consider the structural characteristics of the storage tanks and the properties of the medium, as well as possible leakage paths and diffusion distances, in order to select appropriate dimensions and materials for the fire dikes. .
Agree with the person above. According to the specification requirements, the distance from the storage tanks in the tank farm to the fire dike should be half the height of the tank wall; it is not entirely reasonable to ignore the height of the tank foundations. The foundation height of the storage tank affects its actual height, and thus also influences the distance between the tank and the fire dike. The structure and properties of the storage tank become factors that influence the leakage paths and diffusion distances of the medium, thereby affecting the design and safety performance of the fire dike. Therefore, when designing fire dikes, it is necessary to fully consider the actual height and structural characteristics of the storage tanks, as well as the properties of the medium, in order to select appropriate dimensions and materials for the fire dikes. In actual construction, it is also necessary to strictly adhere to the regulatory requirements and make appropriate adjustments based on specific circumstances. .
You’re welcome; feel free to ask me if you have any questions. .
The structure and properties of the storage tank become factors that influence the leakage paths and diffusion distances of the medium, thereby affecting the design and safety performance of the fire dike. When designing fire dikes, it is necessary to fully consider the actual height and structural characteristics of the storage tanks, as well as the properties of the medium involved; all these factors affect the distance and height of the fire dike’s base
The general base height is around one meter, and the highest liquid level inside the tank is usually about one meter below the top, so there is no need to consider the base height
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