From start up to full Operation.

Transcription

Accurate steam measurement: From start up to full Operation.
Introduction
Steam has often been described as the ‘lifeblood’ of industry.
It is the medium by which heat from a boiler is converted into
an easily transportable form that can provide diverse services
from office heating to the mechanical energy that drives turbine
generators. Steam is still one of the most popular methods of
providing an energy source to a process and its associated
operations.
STARDOM allowed for full process control similar to what is
expected
a DCS with
thethat
lower
cost point
of a consumption
PLC. It
It is now afrom
well-accepted
fact
measuring
energy
also
tight
integration
withtoFAST/TOOLS
to efficiency.
allow for
is anfeatured
important
factor
in the quest
improve energy
rapid
screen
development
and is
data
integrityto
through
data
Efficient
and accurate
metering
paramount
determining
buffering
and
backfill
onan
network
orpicture
serverof
outage.
excess use,
along
with
accurate
whereto
the
steam
STARDOM
allowed
for
full
process
control
similar
what
is is
being used.
A sound
management
can
only have
expected
from
a DCSenergy
with the
lower cost policy
point of
a PLC.
It a
positive
effecttight
on the
‘bottom line’
also
featured
integration
withprofitability.
FAST/TOOLS to allow for
rapid screen development and data integrity through data
buffering
and backfill on network or server outage.
The Challenges
Most boiler systems are scalable to the plant’s needs, meaning
steam generation can be ramped up or down depending on the
need from the facility. This can range from low flows during start
up, to higher flows during full operation and back down to low
flows during downtimes of maintenance. It is important however
that accurate measurement of steam is essential in controlling
boiler efficiency and safety. The more accurate and reliable
measurements that are made, the more informed decisions can
be taken that affect costs and product quality.
Traditionally
the most common
of to
steam
metering
is
Only
ONE STARDOM
FCN wasmethod
required
guarantee
total
the orifice
plare
and
differential
transmitter
technique.
control
of the
pilot
plant,
makingpressure
all the I/O
connections
General the
areas
of concern
with this type of measurement are
through
following
modules:
the orifice plate’s susceptibility to wear introducing immediate
theModules.
relatively
losses
·inaccuracies,
3 Analog
Input
Only
ONE STARDOM
FCNhigh
waspermanent
required topressure
guarantee
total
into
theplant,
system
by theallorifice
plate
and the small
·introduced
2 Analog
Output
Modules.
control
of the
pilot
making
the I/O
connections
typically
3:1.
·measuring
2 Thermocouple
Input
Modules.
through
the range,
following
modules:
· 3 Analog Input Modules.
· 2 Analog Output Modules.
· 2 Thermocouple Input Modules.
One slot on the STARDOM FCN (including panel space) was
left unused for future bus expansion, which could provide up
to 25 modules if needed.
All Rights Reserved, Copyright © 2014, Yokogawa Electric Corporation
The orifice flow meter is not suitable for low-flow measurement,
and can develop zero drift and span drift when the temperature/
pressure conditions fluctuate beyond the design specifications.
In order to measure larger turn downs with a orifice, the plates
must be changed periodically and the pressure transmitters
re-calibrated and spanned.
Vortex meters are known to be superior devices for steam flow
measurement due to their inherent linear measurement, large
turndown, low pressure drop and high accuracy. It is often thought
that it is no problem to install a line size meter to capture a wide
range
of flows but
is not always
the case.
practice of
can
PETRAMIN
is athat
company
dedicated
to theThis
production
lead
to losing a lot
of the
low end
measurement.
Whenservices
sizing a the
alkyl-amines
since
1983.
Its production
capacity
vortex
meter, it isdemand
commonand
to have
to reduce
theexport
line size
international
enables
them to
its using
productsreducers
to manytocompanies
around
thethrough
globe. the meter for
concentric
increase the
velocity
optimum
performance.
unfortunately
piping
changes
need to
PETRAMIN
is a company
dedicated
to the
production
ofbe
presence
in Europe
with
the HQthe
PETRAMIN
has
a strong
made
and this can
increase
installation
costs.
alkyl-amines
since
1983.the
Its
production
capacity
services
located in Spain.
Its main
are the
international
demand
and markets
enables them
to Foundry
export itsIndustry
for
the
Automobile
Sector
and
the
Pharmaceutical
Industry.
products
to
many
companies
around
the
globe.
Solution
Customer Profile
Customer Profile
To meet the customers’ needs, Yokogawa introduced the
presence
in Europe
with the
HQ
PETRAMIN has
a strong
digitalYEWFLO
Reduced
Bore
Type Vortex
Flow meter
featuring
located
in Spain.
Its
main
markets
are thereducer
Foundry
Industry
a cast
stainless
steel
body
and
a
concentric
and
PPC (Power Process Control) is a firm of engineers
for the Automobile
Sectorflow
and the measurements
PharmaceuticalinIndustry.
expander
thattoenable
stable
low-flow
dedicated
providing
the bestrate
solutions for Instrumentation,
conditions.
This
expands
the
range
of
measurements
that with
can be
valves and control systems technology
in partnership
performed,
from
the
higher
flow
rates
down
to
the
lower
end
their manufacturers. PPC offers engineering support, preof
theand
flow span,
which
is normally
difficult
forfor
Vortex
Flow
meters,
sales,
and
isControl)
a one stop
control
and
PPCpost
(Power
Process
is ashop
firm of
engineers
andmeasurement
ensures stable
and accurate
flow FAST/TOOLS
rate output. SCADA,
solutions,
including
dedicated to providing the best solutions for Instrumentation,
STARDOM
controls,
instrumentation,
other Yokogawa
valves
and control
systems
technologyand
in partnership
with
products.
their
manufacturers. PPC offers engineering support, pre
and post sales, and is a one stop shop for control and
PPC executedsolutions,
this application
fromFAST/TOOLS
conception through
measurement
including
SCADA,
Each Flange size
commissioning
and continues
to support
expand
the
STARDOM
controls,
instrumentation,
andand
other
Yokogawa
available in 3 bore
system to meet PETRAMIN’s needs.
sizes:
products.
Yokogawa Partner Profile
Featured Solutions
• Full Bore
• 1 size PPC executed this application from conception through
reduction
commissioning and continues to support and expand
• 2 sizethe
FAST/TOOLS is a full-featured SCADA Host and
HMI that
reduction
includes visualization, alarm management, historization,
reporting, mobile interface, and trending. FAST/TOOLS
supports scalable robust architectures with up to quad• Face to face
redundant
servers,
zero deployment
clients,
FAST/TOOLS
is a full-featured
SCADA
Host and
and very
HMI large
that
is the same as
point
counts
(real deployments
over 1 million
points on a
Standard
unit.
includes
visualization,
alarm management,
historization,
•reporting,
Drop in server
without
single
and interface,
testing to and
16 million
points).
mobile
trending.
FAST/TOOLS
piping changes
supports scalable robust architectures with up to quadSTARDOMservers,
represents
family of controllers
thatvery
range
from
redundant
zeroadeployment
clients, and
large
the
small
DCS-like
rackmounted
hybrid
controller
(FCN)
point counts (real deployments over 1 million points on a to
the robust
intelligent
RTUto(FCN-RTU)
for aggressive operating
single
server
and testing
16 million points).
environments, control, data-logging, web visualization, e-mail,
FTP, and various
specialty
functions
like AGAthat
andrange
API from
STARDOM
represents
a family
of controllers
MPMS
calculations.
the
small
DCS-like rackmounted hybrid controller (FCN) to
the robust intelligent RTU (FCN-RTU) for aggressive
operating
AN 2014-08-942
FTP, and various specialty functions like AGA and API
MPMS calculations.
Featured Solutions
While formerly two to three different types of orifice plates had
to be changed to adapt to fluctuations in the line flow rate, this is
no longer necessary with the digital YEWFLO reduced bore type.
This model reduces installation cost and expands the range of
applications available to end user.
The flow meter is available with a single reduction or a double
reduction in bore size, while still keeping the same face to face
dimension of a standard full bore vortex. This makes installations
on new projects simplified with no need for additional reducers
STARDOM
allowed
for swapping
full process
control
similar Vortex
to whatunits
is
or piping, and
it makes
already
installed
expected
from
a
DCS
with
the
lower
cost
point
of
a
PLC.
It
simple, as there are no piping changes required.
also featured tight integration with FAST/TOOLS to allow for
rapid
screen
development
andvortex
data integrity
through
data
Reduced
bore
digitalYEWFLO
meters are
flow tested
buffering
and
backfill
on
network
server outage.
STARDOM
allowed
for
full
process
control
similar
what
is
with the reducers;
this
ensures
theoraccuracy
of the to
unit
is not
expected
from by
a DCS
with the
cost
point reductions
of a PLC. It
compromised
reductions
in lower
the line.
Manual
in
also
featured
integration
with FAST/TOOLS to allow for
piping
cannottight
guarantee
this accuracy.
rapid screen development and data integrity through data
buffering
backfill
on network or
serverbore
outage.
The mainand
benefits
of Yokogawa’s
reduced
type vortex flow
meter:
• Minimum measurable flow up to five times lower than conventional vortex flow meter.
• Integrated construction with reducers built into the flow meter
body.
• The same face-to-face dimensions ease the task of installing
other sizes or types of digitalYEWFLO flow meters.
• No need for costly piping modifications such as reducers/
expanders or short pipes to achieve the required straight pipe
length.
• Increases the space for installation of additional instrumentation
Yokogawa vortex flowmeters are also well suited to high
temperature applications, and the quality of flow management
can be improved even further through the use of anti-vibrating
efficiency and self diagnostic functions that rely on the
PETRAMIN is SSP
a company
digitalYEWFLO's
system.dedicated to the production of
alkyl-amines since 1983. Its production capacity services the
international demand
them
to the
export
its
A multi-variable
design isand
alsoenables
available.
With
multivariable
products
to many
companies
around
the globe.
option,
a built-in
integral
temperature
sensor
allows the meter
a company
dedicated toofthe
production
of
to PETRAMIN
make a trueismass
flow measurement
saturated
steam
strong
presence
in
Europe
with
the
HQthe
PETRAMIN
has
a
alkyl-amines
since
1983.
Its
production
capacity
services
by referring to steam tables embedded in the software. This
located the
in Spain.
Its main
are the
international
demand
and markets
enables
them
to Foundry
export
itsIndustry
eliminates
need
for separate
pressure
and
temperature
for the Automobile
Sector andaround
the Pharmaceutical
Industry.
products
companies
the globe.
sensors
andtoa many
flow computer.
Customer Profile
Customer Profile
PETRAMIN has a strong presence in Europe with the HQ
located in Spain. Its main markets are the Foundry Industry
PPC (Power Process Control) is a firm of engineers
for the Automobile Sector and the Pharmaceutical Industry.
Traditional Instrumentation
valves and control systems technology in partnership with
their manufacturers. PPC offers engineering support, pre
Reducer
Process
and post
sales,
and isControl)
aExpander
one stop
forengineers
control and
PPC
(Power
Process
is ashop
firmProcess
of
piping
piping
measurement
solutions,
including
FAST/TOOLS
SCADA,
Short pipe
Short STARDOM
pipe
controls,
instrumentation,
other Yokogawa
Only ONE STARDOM FCN was required to guarantee total
valves
and control
systems
technologyand
in partnership
with
products.
control of the pilot plant, making all the I/O connections
their
manufacturers. PPC offers engineering support, pre
Flow
through the following
modules: Upstream side 10D
and post sales, and is a one stop shop for control and
PPC executedsolutions,
this application
fromFAST/TOOLS
conception through
measurement
including
SCADA,
commissioning
and continues
to support
and
expand
the
· 3 Analog
Input Modules.
STARDOM
controls,
instrumentation,
and
other
Yokogawa
Only
ONE STARDOM
FCN was required to guarantee total
Down stream
Upstream
system to meet PETRAMIN’s
needs.
· 2 Analog
Output
Modules.
products.
control
of the
pilot plant,
making all the I/O connections
side 5D
side 5D
· 2 Thermocouple
Input
Modules.
through
the following
modules:
PPC executed this application from conception through
commissioning and continues to support and expand the
· 3 Analog Input Modules.
FAST/TOOLS is a full-featured SCADA Host and HMI that
· 2 Analog Output Modules.
includes visualization, alarm management, historization,
· 2 Thermocouple Input Modules.
Featured Solutions
supports scalableSolutions
robust architectures with up to quadFeatured
redundant
zero deployment
clients,
New Instrumentation Using Reduced Bore
Typeservers,
FAST/TOOLS
is a full-featured
SCADA
Host and
and very
HMI large
that
Process
One slot on the STARDOM FCNpiping
(including panel space) was
Flow
Upstream side 10D
point counts
(real deployments
over 1 million
points on a
includes
visualization,
alarm management,
historization,
single
server
and
testing
to
16
million
points).
Process
supports
scalable robust architectures with up to quadpiping
STARDOM
represents
family of controllers
thatvery
range
from
redundant servers,
zeroadeployment
clients, and
large
the
small
DCS-like
rackmounted
hybrid
controller
(FCN)
point counts (real deployments over 1 million points on a to
the robust
intelligent
RTUto(FCN-RTU)
for aggressive operating
single
server
and testing
16 million points).
Down stream side 5D
FTP, and various
specialty
functions
like AGAthat
andrange
API from
STARDOM
represents
a family
of controllers
MPMS
calculations.
the
small
DCS-like rackmounted hybrid controller (FCN) to
the robust intelligent RTU (FCN-RTU) for aggressive operating
FTP, and various specialty functions like AGA and API
MPMS calculations.

From start up to full Operation.

Transcription

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