If we're running two pumps, why aren't we getting twice as much flow?
1. IF WE'RE RUNNING TWO PUMPS,
WHY AREN'T WE GETTING
TWICE AS MUCH FLOW?
Brian Gongol
DJ Gongol & Associates, Inc.
April 21, 2016
Great Plains Waste Management Conference
La Vista, Nebraska
44. Captures advantages of parallel and series
System design remains the same
Each pump sized for full normal flows
Pumps alternate for balanced wear
61. Operationally speaking
A parallel-series pumping system allows each pump to meet
average daily flows
When a single pump can't keep up...
...the station automatically shifts into series mode
...and the system meets peak flows
62. Parallel-series pumping solves
Inflow and infiltration
Future flows due to new construction
Future flows due to new industry
Multiple pump systems on a common force main
Force main restrictions: ARV failure
Force main restrictions: Clogging and sedimentation
Force main tuberculation (constriction by corrosion)
78. Thank you for your attention!
Contact us anytime with
questions
Brian Gongol
DJ Gongol & Associates
515-223-4144
info@djgongol.com
79. References:
Pump curves generated courtesy The Gorman-Rupp Co. and
Patterson Pump Co.
Photos of installed parallel-series stations and some images
courtesy The Gorman-Rupp Co.
Photo of pipe tuberculation courtesy Wayne Rickers, City of
Beatrice, Nebraska
All other photos and illustrations are original work by and
copyright reserved to Brian Gongol