A Guide to Choosing the Right Slurry Pump and Filtration ...

15 Jul.,2024

 

A Guide to Choosing the Right Slurry Pump and Filtration ...

The slurry business is a complex industry filled with myriad physical, economic, and legal considerations. As a project manager, choosing a proven, American-made slurry system can go a long way towards preventing clogs and breakdowns, ensuring your system remains a profitable and resilient wastewater solution.   

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However, not every system is built to handle the same loads or manage slurry in the same way. Understanding the different slurry pump and filtration system options on the market will help you find the right system for your project.  

Choosing a Slurry Pump

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Slurry pumps come in various lengths, elevations, and materials. Be sure the pump you choose will perform at your specifications and can integrate well into your existing system.  

Types of Slurry Pumps

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Not all slurry pumps are used for the same purposes or at the same processing stages. The first thing to consider when browsing the pump market is what kind of pump you need&#;horizontal, vertical, or submersible.   

Horizontal Pump

 

Horizontal slurry pumps move slurry parallel to the ground and handle highly abrasive or corrosive slurries with ease. Because they&#;re so durable, horizontal pumps are popular in heavy industry, including mining, metallurgy, and power generation.  

Vertical Pump

 

Vertical pumps are used to transport materials to different elevations. Often (but not always), a vertical pump will be partially submerged in a slurry pool to transport its contents to different parts of the project site. 

Submersible Pump

 

Submersible pumps are fully immersed in slurry. They are specially designed and built to handle the rigors of operating within a liquid, but they can degrade quickly, especially if your slurry is highly acidic.  

Slurry Pump Materials 

Consider what material you will be pumping. Some pumps are perfect for moving sand and mud, while others are more suited to processing sludge and other waste. Before making a purchase, ensure the pump&#;s material can handle the density, pH, viscosity, and temperature of the material you process.  

Flow Rate

 

Different pumps process materials at different speeds, and the flow rate that&#;s best for your system will depend on what materials you process and during what stage of processing the pump will be used. For example, slurries that contain a lot of solids need to be pumped at a higher flow rate to prevent material from settling inside the pump and its connected hoses.  

Discharge Head

 

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Any slurry pump you choose needs to be able to exceed the discharge head of your entire discharge system; otherwise, the system will not operate at peak efficiency and may suffer abrasion.  

Knowing the answer to these questions before you make a purchase will help you choose the best pump for your operation and avoid the costs associated with an inefficient or damaged slurry system.  

Integrating Your Pump into a Wastewater Filtration System

 

After you&#;ve selected a pump, you can pair it with a new or existing filtration system to optimize your entire water treatment process. Full Circle Water offers many different water filtration systems, including industrial slurry silos, portable filtration plants, and rapid resettlement systems.   

All-in-One Plants

 

All-in-One slurry silo filtration systems are turnkey solutions designed to provide efficient wastewater decanting regardless of the type of operation you run. Full Circle Water&#;s All-in-One system was designed based on feedback from over 600 stone fabricators and is among our smartest and most effective slurry silo plants.  

Trailer Plants

 

Trailer filtration systems are designed to offer clean water on-the-go. Their compact, portable design makes them ideal for projects that need to set up or tear down quickly.  

Rapid Settlement Systems

 

Wastewater decanting is one of the most important phases in any slurry management system. Rapid resettlement systems are designed to recycle up to 90 percent of wastewater and feed it back into production, ensuring your operation never has to wait for water again.  

Find the Right Slurry System with Full Circle Water

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Full Circle Water offers both turnkey and customizable slurry treatment systems. We seek innovative solutions and have a passion for helping our customers find the best systems for their industry.  

Contact us today to get started.&#; 

Slurry pump selection - Choosing the right solution for your ...

The importance of data

The importance of data can easily be overlooked especially with a pump that is already installed and has been running on its calculated duty point for some time. As sites develop, it is normal for duty points to change as manufacturing fluctuates to the market demand. An increase in flow may not be considered a major factor on some equipment, but when it comes to a pump it can push its operation from the most efficient point toward a critical range. There are other factors that can have detrimental impacts such as changes in the feed material and installation alterations to pipework like lengths, dimensions, and others. This can result in an increase in friction losses in the system.

The reason pumps like to work at its most efficient point is because this reduces the amount of wear seen, ultimately extending the service life. It is well known in the industry that slurry pumps will not be able to run forever due to the nature of its work. But every mine aims to extend this life as much as possible, which happens by being as close to BEP as possible.

Small adjustments in flow or head can move the duty point on the curve considerably has and have implications on wear life. Moving further to the left of BEP, usually due to a reduction of flow or head, creating recirculation in the pump meaning the material travels around the casing excessively before it is moved down the line. This creates additional wear due to the extra circulation of particles.

Alternatively, the duty point can be pushed to the right of BEP by increasing the flow. This can cause issues with inlet velocity meaning the flow into the pump is greater than the installed size that the pump can manage. And resulting in increased wear rate around the discharge area of the casing and on the eye of the impeller, which is the first obstruction the flow finds when entering the pump.

In some of these cases a pump can be adjusted on speed to help deal with the changes of duty, but in other cases it would be recommended to change the pump size to best fit the altered application. Without taking these changes into consideration, a previously well performing pump can turn into a maintenance headache.

Another factor to keep in mind is that as a pump wears and moves away from its optimum point it has a reflective effect on the power consumption. An increase in power consumption turns into an increase in costs and carbon footprint.

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