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Choosing the Right Pump to Avoid Clogging Problems

November 9, 2022

To end the severe flooding created by clogging and ragging caused by flushing solids down drains and toilets, every state and city should immediately begin re-evaluating their sewage systems and the pumping equipment they utilise.

Still, clogged sewage systems are the root cause of floods in many of the country's communities.

Cause and Result of Clogged Systems

The goods that can be flushed are utilised in residential and business locations. When they reach the treatment facilities, however, these materials generate blockages in most pumps, although toilets and drains may sometimes pull them down the pipelines.

An interruption in the treatment facility's operations causes wastewater to remain still on the sewage lines for some time while an influx of waste continues, leading to the breakdown of pipes and the subsequent flooding of the area.

Over the last ten years, the worldwide campaign to save water has significantly decreased water usage across all industries. However, one of the unintended consequences of these efforts is a reduction in the volume of water that flows through the sewage pipes on its way to the treatment plant to flush away solid waste. Because of this, old pump systems have been subjected to excessive strain as they have been required to move more solids than water. As a result, municipalities have been putting pressure on the pumping sector to provide innovative and efficient solutions to the problem. And to make matters even worse, some communities insist on utilising economic construction techniques. Unfortunately, this "value engineering" resulted in wastewater facilities being outfitted with either unsuitable or insufficient pumps for handling blockages.

The Solution to Address the Problem; Cutter and Grinder Pumps

Cutter pumps are designed to process heavy-industrial waste, raw sewage, and broad classifications of wastewater. Because of the way they are constructed, there is no possibility that they will become clogged, which is a problem typically created by flushable objects that are too large, such as aluminium cans, plastic bottles, cables, ropes, and textiles.

The cutting blades of high-end cutter pump types are typically made of tungsten carbide and brazed onto the impeller vanes' edge. The blades get quite close to the suction cover at several points. Together, they shred any items introduced into the system into manageable chunks, making it simpler for the pump to transport the wastewater to its destination. Cutter pumps are often equipped with motors that rotate at 3600 RPM and are utilised in high-head applications. Motors with a speed of 1800 revolutions per minute are typically utilised for work requiring high torque cutting and high flow.

A cutter wheel is located at the suction port of grinder pumps. This wheel macerates rubbish until it is finely chopped and discharged through the pump's discharge port. It is a very effective piece of machinery that can shred rubber products, textiles, plastic bags, and other solids that are tough to pump in wastewater.

These pumps are the ones that are recommended for use in low-pressure sewage systems with pipes that have a small diameter. For applications that require a higher head but a lower flow, grinder pumps can be paired with an electric motor that rotates at 3,600 RPM to generate a more powerful grinding action.

Parker Pumps

29B Ormond Rd., East Geelong VIC 3219

Phone: (03) 5229 7443

Email: sales@parkerpumps.com.au

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