Selecting Slurry Dewatering Pump: Installation and Use

What is a Slurry Dewatering Pump?

A slurry dewatering pump is used to pump liquid with solid particles. Submersible slurry pumps vary in design and construction to accommodate different kinds of slurry that differ in saturation solubility, particle density, physical properties, and solvent content. Submersible slurry pumps are more durable than liquid pumps because they have ritual sacrifice content and substitutable wear parts to endure abrasion wear.

The percentage and layout of impellers in the propeller affect efficiency. When handling slurries, efficiency savings are generally undermined by authorizations and the requirement to build abrasion-resistant heavy-duty components while considering materials, thickness, and other factors.

Types of Slurry Dewatering Pump
Submersible Slurry Pump

These powerful electric submersible pumps are used to pump sand and mud in dredging, quarrying, and mining industries. All models are wear-resistant materials and come standard with an agitator to dissolve solids under water.

A submersible pump has a significant role because it pushes water to the surface by converting rotational energy into kinetic energy into pressure energy. This is achieved as the water enters the pump: first at the inlet, where the rotation happens of the impeller pushes the water through the diffuser.

A submersible pump’s primary and only benefit is that it will never need to be primed because it is submerged in the liquid. It is also very efficient as they don’t need much energy to get or pour water, which will get to the pump.

Only the pressure forces water into a submersible pump, which “saves” a lot by preventing some leakage.

Also, while the pumps aren’t versatile, the choice certainly is. Other submersible pumps can easily handle solids, while others are better suited to liquids. Submersible pumps are quiet because they are submerged, and cavitation is never a problem as there are no ‘pressure spikes’ as the water flows through the pump.

Centrifugal Slurry Pump

Centrifugal pumps in quarries come in solids or slurry handling and clean or dirty water handling. The pump design for these two applications varies greatly. Therefore the operating performance is also different, resulting in significant differences in the power required for the pumps to function correctly.

A slurry pump, in general, is a troublesome iron pump with open clearances, a heavy duty architecture, and minimal machining in its manufacture. As such, those pumps are appropriate for pumping massive or vast quantities of solids contained in slurries. Dredging/slurry pumps, along with Warman or Metso (cease suction) and Dragflow/Toyo (submersible), are top examples of those sorts of pumps in which hydraulic performance isn’t as essential as their capacity to deal with rocks, sand, ore, and different solids-encumbered fluids without experiencing immoderate put on or downtime, even as working in very trying situations for prolonged periods.

Features of a Slurry Dewatering Pump
Wear Plates

Made of high carbon steel metal (24 to 28%) for a long lifespan.


60°C is the highest intermediate heat capacity.

Application of a Slurry Dewatering Pump

Water management is one of the most critical parts of any quarrying operation, whether it ising dewatering incursion or ensuring a consistent supply for mineral processing.

Quarrying, like many other important applications, employs a diverse range of pumps, including centrifugal positive displacement, which can be further classified as a submersible, self-priming, progressive cavity, AOD, end suction, and so on. It’s not super worldwide many quarries across the world use pumps that aren’t a low-efficiency job, resulting in low-efficiency pumping and, more critically, higher prices.


Dredging is done to increase flow capacity.

The mining

The objective of digging is to retrieve the material.

Installation and Use
  • For pumping slurry, sewage, and waste water(non-aggressive) with
  • solids and filamentous elements in business and home installations and drainage applications
  • For water delivery and drainage in farming, production sites, etc.
  • Available with an agitator to help clean the suction of the pumping fluid
Performance Range
  • Flow rate up to 1200 m/h.
  • Height up to 52 m
Operation Condition
  • Liquid temperature up to +35℃
  • Ambient temperature up to +40℃.
  • Max. Immersion depth
  • 10m for 0.75kW to 5.5kW pumps
  • 20m for 7kW pumps.
  • 5kW to 22kW
  • Continuous operation
Electric Motor
  • Bipolar induction motor 50Hz (n=2850rpm)
  • Tetrapolar induction motor 50Hz (n=1450rpm)
  • Single phase 220V -240V
  • Maximum 1.5 kW
  • With built-in thermal protection in the winding
  • Available with float switch for automatic start/stop
  • Three-phase 380V-415V
  • Equipped with built-in overheat protection.
  • F-class insulation
  • IP68 protection
Selecting A Dewatering Slurry Pump

Dewatering slurry pumps offer the most high quality over other submersible pumps. They can move expansive sums of sand and slurry with ease and without clogging. Pumps withstand the rough fabric that passes through them on a steady premise and gives the control to move the material. The taking after is to help you get it to pump specifications for choosing the right submersible slurry pump or sand pump.


When attaching the output end, the size of the submersible pump is critical. The line or pipeline that attaches to the compressor should be the same size as the outflow or pump. When connecting a modification to the end of a submersible slurry pump, the fitting can only function downstream, not above. Typically, the pumping size restricts the number of gallons a submersible slurry pump can pump per minute. The stronger the pump, the greater the permitted volume and particle size.

Electrical Power

The horsepower of the electrical submersible slurry pump is determined by the motor size. The more horsepower it has, the more material it can move (volume) and the greater the head it can pump. Because sand and fluids can be heavy, friction occurs, slowing the material’s progress. If there is too much friction and the underwater sand pump is not powerful enough just to propel the sand or slurry, it will rest in the line or tubing and not reach its goal.


When choosing a submersible mud or sand pump, consider how much material you want to move. Submersible pump parameters are often based on water pumping. Pumps industrial slurry pumps move 15-30% solids when pumping sand, mud, and other solids.

This all depends on how we use the operator with the pump. Because sand is heavy and settles, ensuring the optimum performance of a sand pump is critical to pushing sand within the needed distance. A stronger emphasis leaves sand in the hose and the carrier. Knowing the viscosity of the fluid is critical to ensure proper pumping.


The head is the maximum height that the pump can elevate water. A gallon of water at average body temperature weighs 8.33 pounds.

On the other hand, submersible slurry pumping and underwater sand pumps pump more than simply room-temperature water. As a result, the head of a pump pumping slurries and sand will be smaller than the advertised head of a pump.

Solids Size

The size of solids that can pass through a submersible slurry pump is typically determined by the allowable area between the pump’s impeller and the volute. Submersible pumps are designed with more or less separation for the type of material they are intended to handle. Those with more breaks are submersible slurry pumps because they can process more extensive materials. The submersible pump with less separation is a drainage pump that does not move many solids.

Why is Slurry Pump Important and Special?

Due to features such as a wide impeller diameter, shafts, bearings, internal passageways, and heavy-duty design, slurry pumps can resist severe wear. On an industrial scale, slurry pump characteristics produce higher upfront and ongoing expenses than water pumps.

The generation of gravitational force, which pushes material away from the pump center, is important to the performance of slurry pumps. In contrast, the Coriolis effect goes stuff toward the center.

Slurry pumps must operate on centrifugal principles because the forces giving velocity to the slurry accelerate the transport process. On the contrary hand, a centripetal pump would be impracticable since the slurry’s solids would build rather than flow freely.

Dewatering Slurry Pump: How to Install?

Understanding the precise environmental conditions necessary for each type of pump is also vital for anyone seeking to install a slurry pump. There are three types of slurry systems:


The slurry pump and drive are totally submersible in this system. This is required for certain mud-pumping applications such as subsea operations.


Most horizontal pumps are installed in this manner by slurry pump professionals. This installation keeps the pump drive and bearings away from the manure. The wet end, which includes the casing, impeller, suction hub or liner, and shaft sleeve or stuffing box, is self-contained and free of surrounding fluids. Slurry pump technicians install most horizontal pumps this way.


This configuration is utilized for dredging tasks with horizontal pumps. The wet end and bearings are flooded, but the gearbox remains dry. Approaches in this circumstance necessitate particular sealing procedures.

If you have questions about the slurry dewatering pump, you can contact us anytime for faster transactions, and our senior engineers will answer you at any time.

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