china gold dredge pump machine

Customised pumps

The Difference Between Flushing And Quenching in Slurry Pump Seals

Selecting the right pump for slurries is critical to get the most bang for your buck. Basic pump components, such as the impeller size and design, material of construction, and discharge configurations must be considered to ensure the pump will hold up against the wear caused by an abrasive slurry. Slurry pumps are generally larger in size when compared to low-viscosity liquid pumps and usually require more horsepower to operate because they're less efficient. Bearings and shafts must be more rugged and rigid as well.

Pumps with replaceable parts and components can have an unlimited service life. A high quality customised slurry pump with replaceable parts can last you a lifetime and should therefore be considered as a very reliable long-term investment.

Under ideal conditions, a dredge pump can produce fluid acceleration greater than the speed of its fastest moving component.

With the standard flush schedule, the flow is usually adjusted by compressing the packings until a few drops of water are observed leaking from the seals on the drive side. In a quench schedule the flow rate is set by adjusting the inlet valve, while a valve is used on the exhaust side to maintain the correct seal tank pressure. If the outlet water from the seal box is too hot, the flow rate is increased until the outlet water cools, while still maintaining the correct seal box pressure.