Supporting Challenging Pumping Stations
Yorkshire Water collects, treats and distributes approximately 1.26 billion litres of water as well as recycling and safely disposing of 1 billion litres of wastewater back into the environment every day. The organisation delivers this service to the 5 million people across its 4600-square mile area.
The Challenge
Yorkshire Water covers one of the largest areas in England and one of the key challenges of its network of wastewater pumping stations was pump blockages. These issues require reactive, timeconsuming visits from its operations and maintenance team, which incur significant costs in fuel, time, resources and disruption to local residents.
Yorkshire Water’s Dynamic Maintenance Team identified that they required an easily deployable solution that delivered tangible benefits across the network. A particularly problematic site, requiring 2-3 reactive visits a week due to pump blockages, was chosen for an initial trial.
The Solution
Xylem reviewed the Burnsall Car Park site and having considered Yorkshire Water’s specific requirements, the Flygt Concertor N pump was selected due to its excellent clog resilience and pump cleaning. The Concertor N also enables constant power, motor efficiency comparable to IE4, self-correcting correct impeller rotation regardless of phase connection and built-in motor protection. Its simple connectivity into Yorkshire Water’s existing wastewater network control system meant that the pumps could be quickly installed. It took little time for the Flygt Convertor N to start showing impressive results.
-
Flygt
Concertor N
The Results
Two Concertor pumps (N6020.091s 2.4kW 80mm) were installed at Burnsall Car Park, the problem site. Since the installation in January 2019 there have been zero blockages recorded, meaning that reactive visits to site for this issue were completely avoided.
Having proven the pump’s clog resistant credentials, Yorkshire Water Dynamic Maintenance team decided to roll out the Flygt Concertor Pump across its most challenging pumping stations. The simple connectivity of the Flygt Concertor Pump into existing networks has meant that in less than a year Xylem has delivered solutions to over 150 dual and triple pumping stations with a further 211 on plan for Yorkshire Water.
As a result of the widespread installations, Yorkshire Water has experienced positive results in the problem stations where the Flygt Concertors were fitted:
Cost savings secured
- Total efficiency of the Flygt Concertor N has reduced the ownership costs including a 93% reduction in previously required inspections
Pollution reduction
- Due to the improved blockage resistance
- 51% estimated reduction in reactive callouts to completed sites
Energy use reduction
- Improvement in hydraulic efficiency compared to legacy pumps has contributed up to a 29% reduction in power consumption
Emissions/Carbon reduction
- Removal of reactive journeys to and from site for call outs
- Over 800 cumulative visits to site avoided on completed sites