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Slurries are a blend of liquids and solids. Often used for transporting large quantities of solids that have undergone particle reduction processes, these materials are added to water or other liquids to allow them to be pumped away via a slurry pump. Its a much more cost-efficient means for moving bulk solids after processing, including for abrasive substances. Slurry pumps are commonly used in many of these applications.
There are two basic types of slurry that abrasive slurry pumps are designed to transport. Non-settling slurries contain very small particles that remain suspended in the liquid, making it more viscous. Settling slurries contain solids that tend to sink to the bottom of fluids, except when agitated. Regardless of the type, materials within a slurry are often abrasive. Slurry pumps that handle such abrasive material need certain characteristics to transport material most effectively.
An abrasive slurry usually entails a mixture of insoluble solid material within water, so settling slurries tend to be more abrasive. Slurry pumps are utilized in various applications, including cement manufacturing, digging boreholes for wells, drilling for gas and oil, generating electricity, maritime dredging, material processing industries, mining operations, and tunnel construction. This will often entail the use of a slurry pump connected to piping.
For example, the raw ingredients for cement used in construction are brought in solid form to a cement plant, where these ingredients are then ground down and mixed with water utilizing piping within the plant before the cement is transported to where its needed. In contrast, during dredging operations, solids are dredged up with water and transported away from the area, with the slurry taken away via a pipeline to a disposal site. Theoretically, any solid can be transported in this manner, but pumps must be significantly more robust for a more abrasive slurry.
There are four basic classifications for abrasiveness in slurries, which are:
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)With larger particles and more abrasive particles, slurry pumping operations require more specialized pumps that can perform under harsher conditions. Without the correct pump for an abrasive slurry, parts like wear rings, shaft seals, pump impellers, mechanical seal faces, and lip seals are likely to wear much more quickly.
Depending on the industry and application, slurry pumps that handle abrasive materials can be considerably diverse in their design.
Regardless of how corrosive or abrasive the material they transport, slurry pumps are designed to handle conditions common to the industries in which theyre used.
Pumps are imperative to production in many processing industries that work with abrasive material. Slurry pumps like any type of pump help move fluids from an area with high pressure to one thats low, by the laws of fluid dynamics. The pump types involved in transporting slurries differ according to the application. Theyre used for various beneficiation processes in the mining industry to improve the value of mined materials, many of which are abrasive. Slurry pumps are also used for processing fertilizers or the disposal of ash in thermal power plants. Regardless of the application, the pumping of abrasive slurries will remain an important aspect of many industries for decades to come.
Horizontal pumps are suitable for highly abrasive material. Slurry pumps of this type are suitable for moving highly concentrated slurries containing either large or fine particles that can corrode components and piping. Horizontal slurry pumps are used for coal mining, metal processing, and power generation applications. With a horizontally positioned pump shaft, these abrasive slurry pumps utilize robust and wear-resistant material.
When the pump shaft is instead positioned vertically, its known as a vertical slurry pump. These types of pumps usually deal with slurries that contain high concentrations of material, containing coarse particles that corrode rather than just those that are strictly abrasive. Slurry pumps with vertical shaft placements are generally classified as submerged or submersible. Submerged slurry pumps generally only have their pump head placed under the surface of the slurry, while submersible slurry pumps have the motor and other components submerged. Generally, submerged vertical slurry pumps are used for applications like cement manufacturing, dye-making, municipal wastewater treatment, and paper mills. Submersible vertical slurry pumps are often used for purposes like dredging rivers, extracting sand, metal processing, and power generation.
The centrifugal slurry pump is the most common pump type for slurries, though there are numerous iterations. This type of slurry pump utilizes centrifugal force caused by a rotating impeller, which transfers energy to the slurry, much like centrifugal pumps for transporting water and other similarly flowing liquids. When pumping an abrasive slurry, pumps of this type should be chosen based on ease of maintenance, impeller design and size, materials being transported within the slurry, and shaft seal type. Not only do centrifugal slurry pumps need to handle wear from an abrasive slurry, but pumps also often need to consider corrosion and erosion. Their impellers must be heavier and wider so larger particles can get through. Meanwhile, the materials from which theyre made also need to withstand abrasion, corrosion, and erosion from the solids within the slurry.
Design is particularly important when handling materials that are corrosive and abrasive. Slurry pump impellers are particularly vulnerable to corrosive and abrasive slurries. If a pump isnt designed correctly, its more likely to get clogged by slurry or sludge, so centrifugal pumps with tight tolerances around their impellers wear quickly when pumping a corrosive or abrasive slurry. Pumps can also lose suction when used for such applications, which can lead to longer periods of unplanned downtime, along with the expenses for maintenance and replacement components.
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It's important to consider the slurry being pumped to steer clear of such avoidable repairs. Choosing the right pump for the application also leads to safer working conditions for those who work with them. Perhaps the most important reason for any business that requires an abrasive slurry pump is that it lasts much longer, which translates to reduced costs for repair and replacement.
For handling abrasive material, slurry pumps are often classified according to application:
When selecting a slurry pump, considerations should include efficiency, flow rate, output, and pressure. Additionally, the rate at which the pump is fed is critically important, with an optimal feed rate augmenting energy efficiency and extending the pumps lifespan. The material properties and size of solid particles should also be considered, and the flow paths durability as determined by the concentration of solids within the slurry.
How a slurry flows depends on its characteristics. Though none flow identically, wear patterns will differ depending upon the flow system used. Wear from an abrasive slurry pumped through a specific type of system needs to consider numerous factors, including special regulatory requirements necessary when handling specific materials. All these aspects must be considered when selecting the best pump for transporting an abrasive slurry.
Hayes Pump, Inc. distributes an array of pumps and pump accessories for commercial, industrial, and municipal purposes throughout the Northeast. As the largest pump distributor in the region, Hayes carries slurry pumps that include those made by ITT Goulds Pumps. To learn more about which slurry pump is best for your application, contact Hayes Pump for all your pump-related needs.
The SlurryPro pump is designed for continuous pumping of highly abrasive, high-density slurries with minimal maintenance requirements. The SlurryPro offers a wide range of benefits and is available in two ranges of centrifugal slurry pumps, the standard series of heavy-duty pumps and the diamond series of super duty pumps. Critical dimensions are interchangeable with other common centrifugal slurry pump designs, making it easy to upgrade basic centrifugal pumps to a SlurryPro.
So what makes SlurryPro pumps different?
The SlurryPro is designed with a customer-centric focus in mind and has transformed the end-user experience. Not only are these pumps designed for use in the heaviest duty applications, but they are also widely used in sand washing and recycling applications, and specialist areas including mill discharge, process plant, tailings applications and other abrasive processes.
SlurryPro pumps are produced in a world-class manufacturing facility and are well ahead of customer demands thanks to special 3D modelling and software testing. These pumps are also lined with a unique elastomeric compound that has more effective wear-resistance properties than rubber.
Features and Benefits:
The range of Global Pumps centrifugal SlurryPro pumps are best suited to industries such as the mining industry, quarries and general application.
SlurryPro pumps provide superior wear life, reduced lifetime cost and ease of ongoing maintenance. Now available in an extensive range of 240 V to V slurry pumps, they are suitable for a broad scope of needs.
The pumps have a range of interchangeable parts, enabling easy repairs by replacing only wearing parts with a significant decrease in price compared to a full replacement.
The SlurryPro slurry pump is available in horizontal or vertical configuration, in a wide range of sizes.
Extensive other features and benefits include:
The SlurryPro Pumps offer extensive benefits for any application. Here at Global Pumps, we understand that reducing downtime relies on constant and cost-effective part availabilities. We offer superior wear life, a reduced lifetime cost and easy maintenance. If youre looking for an experience like no other, contact our pump experts for advice today.
Contact us to discuss your requirements of Slurry Pumps wholesaler. Our experienced sales team can help you identify the options that best suit your needs.
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