Centrifugal pump (brine) current overflow
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This post was last edited by ywd554777869 on 2024-10-15 at 13:46. The power of each salt water pump when they are connected in parallel is 30KW; the current drawn by each pump when it operates alone is 68A, while the normal current level is a little over 50A. The current drawn by the other pump (the newly purchased pump head) is also around 68A, but when both pumps operate simultaneously, the current returns to normal levels. It was working fine with electricity before, but in the past few days the current level has started to exceed the normal range – is it overheating? Please ask an expert to analyze the reasons
There are usually the following possible reasons for current superflow: 1. **Impeller wear or blockage**: Check whether the impeller is worn or blocked by foreign objects, as this can increase the load on the motor and lead to an increase in current. 2. **Piping system issues**: Check the inlet and outlet pipes for blockages or abnormal pressure, including filters and valves. 3. **Pump installation issues**: Verify that the pump is installed correctly, and that the pump shaft is aligned with the motor shaft; misalignment can cause vibration in the pump and an increase in load. 4. **Power supply issue**: Check whether the power supply voltage is normal; too low a voltage can also lead to an increase in current. 5. **Pump operation mode**: Consider whether there are operational errors, such as one pump being forced to bear an excessive load on its own. 6. **Pump design and usage**: If it is a newly replaced pump head, verify that its specifications and type match those of the original one, as well as whether it is suitable for the current operating conditions. It is recommended to first check whether the pipes and impellers are clean and unobstructed, and then check the condition of the motor and power supply. If the problem persists, it is recommended to contact a professional for further inspection and maintenance. .
Check if the specific gravity of the saltwater has increased
I’m not sure if an blocked entrance could cause this situation
Has the density of saltwater increased, so that a single unit can no longer carry it?
For the IHF fluorine-lined centrifugal pump, IHF150-125-315, with a capacity of 200 cubic meters and a suction height of 32 meters, is 30KW-4P sufficient? Obviously, the power is too low.
Measure the specific gravity of the saltwater; it should be at least 37 kW