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What is a slurry pump and what is its use?

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Pumps used in various industries come in many types, one of which is known as a slurry pump.

Depending on the type of fluid to be moved and other factors related to the intended application, a variety of pumps are used in different industries. Having sufficient information about the types of pumps and choosing the pump that best suits your needs can increase operational efficiency and prevent unnecessary costs.

In this article, we are going to examine the slurry pump and its various features. Details such as pump specifications, industrial applications, body and component materials, and other related points are explained below so that you can select and purchase the most suitable pump with complete knowledge and the help of professional sales consultants.

Imen Datis Asia Technical and Engineering Company is one of the top providers of fire alarm and extinguishing equipment, all types of fire fighting and water supply pumps, etc. in the country, with the aim of increasing safety and protecting people’s lives and property.

What is a slurry pump?

A slurry pump is a type of pump that is capable of transporting fluids with solid particles. Saturated slurry consists of coarse, coarse particles that tend to form a non-uniform mixture and are highly abrasive. On the other hand, unsaturated slurry consists of smaller, abrasive particles that tend to form a stable, uniform mixture, increase the viscosity of the fluid, and are less abrasive.

Slurry pumps come in a variety of designs, such as horizontal Warman pumps, vertical tank pumps, vertical tankless pumps, high-pressure horizontal pumps, and horizontal Yellow pumps. However, they generally fall into two main categories:

Centrifugal Pump: These pumps, which operate on centrifugal force, have a wide range of applications. Suitable for transporting fluids with high concentrations, these types of pumps are available in horizontal, vertical and hose models.
Peristaltic slurry pump: These types of pumps are suitable for transporting fluids under sterile conditions because they have no sealing or sealing parts. They are ideal for handling two-phase mixtures with abrasive particles and fluids sensitive to shear stress and are highly resistant.

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What is slurry?

Slurry is a mixture of solids and liquids that can be considered a two-phase fluid (solid-liquid) and is classified based on the concentration of solids. Also, the combination of slurry with air, which is common in chemical processes, is known as a three-phase fluid. Slurries may be in a settling or non-settling form. In engineering classifications, slurries are more complexly classified using parameters such as concentration, size, shape, and weight of particles to determine the severity of wear. For the selection of appropriate pumps, slurries are divided into classes 1 to 4. In addition, slurries are divided into two categories: “saturated” and “unsaturated”:

Unsaturated slurry: This type contains fine, soft particles that are uniformly dispersed in the fluid and increase the viscosity of the fluid. This category usually has low abrasive properties, but the important point is that their behavior is often different from that of conventional fluids and this must be considered when selecting a pump.
Saturated slurry: This type contains coarse particles that tend to form inhomogeneous mixtures. These particles have high abrasive properties and should be considered when calculating flow and power.

Slurry pump application

Slurry pumps are commonly used in mining industries, or in other words, in places where a wet separation system is used.

Use in various factories such as fertilizer factories

- Used for transporting coal
- Used to transport various minerals
- Used for dredging and also disposing of fossil fuel residues in power plants and…
- Handling of various fluids with high concentrations
- Use in the drilling industry
- Used in the oil industry, agriculture, mining, firefighting, paper production, water and wastewater, etc.
- Boiler feeding
- Use in RO desalination and purification devices
- Used in air conditioning and heating systems to transfer water and…

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Criteria and method for selecting a slurry pump

There are many factors to consider when choosing slurry pumps. For this reason, to make a more accurate slurry pump selection, consider the following points:

Determining the flow rate
Static Head Specification
Calculation of head correction coefficients and pump efficiency
Determining the appropriate pipe diameter
Frictional head loss estimation
Calculating total dynamic head
Choosing the right butterfly size
Ensuring proper sealing of the pump shaft
Choosing the right material for the body to extend the pump’s lifespan
Identifying the type of suspended particles in the fluid

The internal parts of the pump may be corroded, worn or worn due to contact with the fluid. To reduce wear, a larger pump size should be selected than a conventional water pump to reduce the speed of the fluid. In slurry pumps, the shaft bearing has higher strength and these types of pumps are mainly designed for harsh conditions and heavy duty work.

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Slurry pump components

Pump shell
butterfly
Bearing housing
Shaft
Sealing chamber

Advantages and disadvantages of slurry pumps

Slurry pumps, like other types of pumps, have their own characteristics, advantages, and disadvantages. Some of the most prominent advantages of these pumps include:

Ability to transport two-phase mixtures including abrasive fluids and coarse solid particles
High versatility, suitable for a variety of fluid speeds and volumes
Diverse capabilities in terms of head and flow rate
High flexibility and ability to operate in difficult conditions
High performance and possibility of vertical and horizontal installation
High resistance to wear and corrosion, with long service life

Despite all their advantages and strengths, these pumps also have disadvantages and limitations, including:

High initial cost
Requires high maintenance costs
Large dimensions that take up a lot of space
Relatively high depreciation

Characteristics of circulator pumps

Circulator pumps come with a variety of features, some of which are mentioned below:

These pumps are produced in various sizes from 0.5 to 6 inches.
They are available in single, double, triple and quadruple rounds.
Circulator pumps produce little noise during operation.
These pumps have electropump energy labels in categories A and B.
The typical speed of circulator electric pumps is an average of 1450 rpm, although in some cases pumps with a speed of 2900 RPM may also be used.

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Imen Datis Asia Company, as a company approved by the fire department, in addition to consulting in order to obtain fire department approval, is an importer and supplier of all types of fire equipment, including fire pumps, fire valves, fire alarm and extinguishing equipment, and all types of fire sprinklers. It is one of the best and most reliable domestic and foreign brands.

For more information and price inquiries, please contact our experts.

Industrial equipment, Types of pumps

Main feature of vertical slurry centrifugal pump

Simple installation and operation
Installing bearings and seals outside the fluid tank
User-friendly design to facilitate parts replacement
Using diverse, wear- and corrosion-resistant materials for components
Equipping the bearing with a double sealing arrangement to prevent slurry ingress
Providing different types of licenses to adapt to different needs

What is a lined horizontal slurry pump?

Horizontal pumps are used to move materials with chemical, physical and abrasive properties. Abrasion-resistant pumps are used to transport slurries containing abrasive particles, such as drilling mud, and for heavy-duty applications. Lined horizontal pumps have their internal components lined with a thick layer of elastomer or plastic to increase wear resistance. These types of pumps are also known as linear pumps.

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Imen Datis Asia Company, relying on up-to-date knowledge, continuous activity and cooperation with highly specialized forces, is now recognized as one of the leading private sector companies in the field of safety and fire fighting industry. This company is always trying to continuously and dynamically play a role in expanding the safety and fire fighting infrastructure of our beloved country of Iran and take great steps towards achieving goals such as the development and industrialization of new technologies.

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