Drinking Water Simulator for Proactive Operation and Training
Apr 01, 2015
Drinking Water Simulator for
Proactive Operation and Training
to disclose models
Why Waterspot?
Drinking water treatment operation changes from 24/7 shifts…
... to supervisor shifts in office hours…
Why Waterspot?
... opening opportunities for advanced process control…
Picture: Alex van Delft DSM
Why Waterspot?
... and virtual commissioning…
Picture: Alex van Delft DSM
Why Waterspot?
Picture: Siemens
... but resulting in a lack of natural training at the same time.
Picture: Alex van Delft DSM
Why Waterspot?
The need for well-trained supervisors will stay…
Picture: Alex van Delft DSM
Why Waterspot?
… or even increase in the next ten years as a consequence of ageing.
Picture: Alex van Delft DSM
Why Waterspot?
Why Waterspot? Summary
Offline• Training and testing of operation supervisors in company look & feel• Model-based process (control) optimisation• Open the use of process models to a wider group• Virtual commissioning of software updates
Online• Advanced process-control to delay investments in production
capacity, and to obtain a more stable water quality• Alerts on malfunctioning online measurements
Waterspot: the project
Started on the foundations of the
Promocit project (development of
Stimela water quality models)
Co-funded by Dutch Ministiry of
Economic affairs
Waterspot: the project
Nine partners of which four Dutch water supply companies
Waterspot: the product
Waterspot
Article 1. Software layout
Article 2. Hydraulic model for Harderbroek
Article 3. Integration of a hydraulic model and a process model for
Wim Mensink
Waterspot: software layout
Software layout
OPC
Emulator
OPC-DA
Virtual plant
OPC-DA
Trainee UI
Historian
OPC-HDA
Virtual
Field
Optimisationmodule
OPC-DA
PA system
Field I/O
OPC-DA
Water qualitymodel
OPC-DA OPC-DA
OPC
Trainer UI
Hydraulicmodel
Controlmodel
Simulator engine
A drinking water treatment plant simulator that connects:• Models for water quality• Models for water quantity• Control model• Object model
Waterspot: software layout
Models for water quality, Stimela
Waterspot: software layout
Models for water quantity, EPAnet
Waterspot: software layout
Control model, USE
Waterspot: software layout
Object model, USE
Waterspot: software layout
EPANET elements
Library
Waterspot: hydraulic model Harderbroek
Model definition
Waterspot: hydraulic model Harderbroek
Reference level
Represented by PSV
Represented by GPV
Calibration: current frequency to control effluent pumps’ speeds
Waterspot: hydraulic model Harderbroek
150
200
250
150 200 250
Measured flow [m³/h]
Cal
cula
ted
flo
w [
m³/
h] Min day
Average day
Max day
During f ilterbackw ash
Mean absolute error: 4.7%
100
200
300
100 200 300
Measured flow [m³/h]
Cal
cula
ted
flo
w [
m³/
h] Min day
Average day
Max day
During f ilterbackw ash
Mean absolute error: 2.6%
Validation, wells
Waterspot: hydraulic model Harderbroek
0
100
200
0 100 200
Measured flow [m³/h]
Cal
cula
ted
flo
w [
m³/
h] Min day
Average day
Max day
During f ilterbackw ash
Mean absolute error: 3.6%
Validation, cascade aerators
Waterspot: hydraulic model Harderbroek
200
300
400
200 300 400
Measured flow [m³/h]
Cal
cula
ted
flo
w [
m³/
h] Min day
Average day
Max day
During f ilterbackw ash
Mean absolute error: 2.4%
Validation, influent rapid sand filters
Waterspot: hydraulic model Harderbroek
200
300
400
200 300 400
Measured flow [m³/h]
Cal
cula
ted
flo
w [
m³/
h] Min day
Average day
Max day
During f ilterbackw ash
Mean absolute error: 2.4%
Case: pump speeds during filter backwash
Waterspot: hydraulic model Harderbroek
Validated EPAnet model
Waterspot: hydraulic model + process model Wim Mensink
Stimela model for Mensink has been set up.
Waterspot: hydraulic model + process model Wim Mensink
Work in progress:• Calibration and validation Stimela model• Connect EPAnet and Stimela with in Waterspot• Simulate hydraulic operation of Mensink
Waterspot: hydraulic model + process model Wim Mensink
Waterspot: background information
www.waterspot.nl
Waterspot: the product
Waterspot: the product
Waterspot: the product
Waterspot: the product
Waterspot: the product