Blog Details

Whether a ceramic slurry pump can operate stably depends not only on the pump itself, but also on the matching relationship among flow rate, head, piping, and slurry properties.

The flow rate should be determined based on process conveying capacity, sump volume, or production cycle, with a clear distinction between normal flow rate and peak flow rate. If the flow rate is too low, it may increase the risk of slurry sedimentation, internal recirculation, or localized wear; if the flow rate is too high, it may lead to increased piping flow velocity, resistance, and wear.

The head cannot be determined solely by the vertical lift height; it should also account for horizontal pipe resistance, elbows, valves, reducers, discharge endpoint pressure, and the impact of slurry density. For high-concentration slurries, system resistance typically differs from clear water conditions, so empirical data for clean water pumps cannot be directly applied.

The pipe diameter also needs to be properly matched. If the pipe diameter is too small, it may cause excessive flow velocity and accelerate pipeline wear; if the pipe diameter is too large, it may result in insufficient flow velocity and particle sedimentation. The actual pipe diameter should be calculated or technically evaluated in combination with flow rate, particle size, solid content, and site layout.

When requesting a quote, it is recommended to provide a piping drawing or site sketch, including lift height, horizontal distance, pipe diameter, pipe material, number of elbows, valve locations, and discharge endpoint. This helps confirm the actual operating point of the pump and the motor power configuration.