What Is an AH Slurry Pump?

A Complete Guide for Mining, Milling, and Industrial Slurry Handling

Pumping frothy slurries can be challenging if not done properly.froth pump manufacturers Not only does this result in lost production, but it can also cost a mine a significant amount of money. That’s why it’s important for operators to invest in a solution that’s capable of handling the unique demands of frothy slurries. A froth pump is designed specifically to handle materials with a frothy or foam-like consistency. These are essential for mining and mineral processing, where the frothy materials must be transported from one stage to the next.

One of the main challenges when handling frothy materials is air entrainment.froth pump manufacturers This can cause a range of issues including air binding and the formation of blockages within the pump itself. To reduce the risk of these issues, it is necessary to design a system that effectively separates the air from the slurry.

This can be achieved through a combination of factors, including the use of an isolation valve and water injection ports.froth pump manufacturers In addition, it is important to utilise a large-sized pump inlet to allow for clean movement of the slurry and prevent blockages within the pump. For particularly tenacious froths, it may be beneficial to add impeller inducer vanes in the hopper intake. In addition, a long retention time (around 60 seconds) in the hopper, tangential feed, and a conical tank shape can further improve the flow of froth to the pump.

The KREBS hMAX, vMAX, and slurryMAX pumps are all designed to provide a scalable solution for frothy applications.froth pump manufacturers Featuring a recessed impeller that allows the clear passage of entrained air, these pumps are ideal for use in flotation circuits, where high froth factor conditions are commonplace.

In addition to a recessed impeller, these pumps are also equipped with a continuous air removal system.froth pump manufacturers This upgrades the SRL-C pump series by separating and eliminating the air in aerated slurries, reducing performance impacts and preventing air-locking within the impeller eye.

These pumps are designed to overcome the challenges faced when pumping frothy slurries, such as in the flotation circuits of base metal concentrators. They can be used in all stages of the flotation circuit, from roughers and scavengers to cleaner cells. They offer high-efficiency, abrasion-resistant construction and are backed by a comprehensive service support network.

ITT Goulds Pumps’ model SRL rubber-lined pumps are also suitable for froth pumping applications. They can be fitted with ITT Goulds’ Shearpeller, a special impeller for handling slurries that contain air and froth. The Shearpeller features a rear shroud with five or six evenly spaced flat radial blades that create a vortex in the froth containing liquid, and has a large eye area that minimises the potential for air binding. The Shearpeller increases pump efficiency and capacity by up to 120% over traditional SRL pumps, and can be retrofitted to existing SRL-C pump sizes without requiring any modification. This can help to reduce energy costs and improve operational stability, while removing the need for frequent maintenance interventions.

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