Post on 11-Dec-2021
STEVE SCHOFIELD
Director & Chief Executive BRITISH PUMP MANUFACTURERS
ASSOCIATION LTD
Energy Consumption by SectorOil and Gas
Exploration & Production
4%
Food and Drink3%
Other Industries.1%
Minerals and Mineral Products
3% Metal manufacturing
2%
Electricity Generation
5%
Pulp Paper and Board
4%
Other Water (inc other utilities)
6%
Chemicals incl downstream &
pharm9%
Domestic Heating
8%Water and
Sewage - Utilities14%
Commercial and Public Buildings
41%
INDUSTRIALISED REGIONS PUMP SYSTEM ELECTRICAL CONSUMPTION (%)
Studies Later
ErP Directive
New items sold Installed Base
Why is Energy Wasted in Pumping Systems• Poor System Design
• Incorrect Pump Selection
• Pump – System Mismatching
• Inefficient Pump Control
• Lack of Pump & System maintenance
• No Systematic Auditing process
The Challenge for Pump Users
So many different types!
The Challenge for Pump Suppliers
So many different applications
Defining the system
MCCF1P P
Input
F2
Slide Courtesy of Oak Ridge National Laboratory
Output = Flow rate * head *constant Which flow rate? Which head?
Need to define the system demand. i.e. what is required for the system to work.
Tate & Lyle London 94% savings on electricity costs
8
Actual New Pump & Existing Valve
New Pump& VSD no Valve
New Pump& VSD no Valve
Electric cost £ 29,300 £6400 £ 1,900
Savings - £ 22,900 £ 27,400 >94%
9
GSK Ltd Scotland >96% savings on electricity costs
Actual 7 weeks mini flow
Right pump for
dutyVSD +
Temperature
Electric cost £ 19,500.00 £ 16,800.00 £ 12,300.00 <£1000
Savings - £ 2,700.00 £ 7,200.00 >96%