The pump selection has not been finalized yet; the client requires the foundation construction drawings for the tank area. What should be an appropriate height for the foundation?
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Due to issues on the client’s end, the feasibility study has not yet been approved, which has led to a pause in the preliminary design of this project. Now the client wants to obtain the construction drawings for the tank area in order to start working on the foundation there, but the pump selection and the piping system for the tank area have not yet been determined. It’s unclear by how much the foundation height should be increased The medium stored in the tank is acetic acid, ethanol, propanol, butanol, and their respective acetates; I’m a beginner and don’t yet have any experience to rely on:-(. An experienced process expert, please give some advice! It’s fine if the set point is high; just make sure it’s not too extreme. Otherwise, cavitation may occur during operation, which would be problematic. Also, I’m thinking about whether we should have Party A sign to confirm the possible consequences of this move; it wouldn’t be excessive for our design institute to assume no responsibility in such a case, right? It’s our small workshop; it’s the business of the boss’s friend. Everything has to go according to the client’s wishes. In case something goes wrong, won’t it still be our person in charge of the manufacturing process and the project manager who end up suffering the consequences? It’s so worrying……
The tank and the pump are arranged on more or less the same plane; their foundations can be designed according to standard practices. The type of pump can be determined roughly based on the medium contained in the tank. The foundation for the pump should be about 200 mm thick, and the inlet piping should not be too long, so as to avoid cavitation. Specifically, it can be determined according to the layout specifications for the tank area and the pumps in that area.
A base thickness of 200 mm is sufficient for the pump, while 500–800 mm is appropriate for the vertical tank. It depends on the size of the jar.
The foundation for outdoor pumps is generally considered to be 300, while that for tanks is considered to be 500
Pump foundations are generally available in 100, 200, and 300 sizes, but the choice should be based on actual conditions. There are two types of tank outlets: one is a conical bottom outlet, and the other is a side-bottom outlet. The outlet heights vary depending on the type of outlet; this height is used to determine the pump inlet height, and the pump inlet height in turn determines the choice of pump foundation height.
Since the size of the equipment is unknown, the following suggestions are provided for reference: If the pump foundation and the tank foundation are placed on the same plane, it is advisable to use a foundation thickness of 200 mm for the pump and 700 mm for the tank.
A base height of 200 is generally sufficient for the pump. If drainage around the pump’s base is poor and water accumulation is possible, it can be raised to 300–500.
Thank you all for your enthusiasm! Additional information: The tank area uses vertical arch-shaped storage tanks; acetic acid is stored in tanks with fixed roofs, while other substances are stored in tanks with internal floating roofs. The capacity of these storage tanks ranges from 1000 to 2000 m3
The base height of this pump is easy to determine. Since the material is in a state below its bubble point, meaning its temperature is still far from the bubble point, it is sufficient to raise it by 200~300 mm above the floor level as per normal design practices
May I ask where I can find a reference for this data?