FAQ about
The
Program
What must I have to run this BOP program?
This program is designed to provide the maximum results with
a minimum of requirements. However, there are some absolute minimum
needs! First, you must be able to measure excess oxygen or CO2
at the stack along with temperatures. If you do not now have
this capability you should consider buying or borrowing or renting
a portable gas analyser . Quite
simply, if you are not prepared to invest in this capability
you have to accept that you are not really interested in improving
your results!
We have an Efficiency Analyser, why do we need boilerOptimizer?
The efficiency calculated by most analysers does not adjust
for humidity or radiation losses nor do they provide for actual
fuel analyses. They only provide a spot reading and do not create
economic values or statistical analysis and projections. They
are a great starting point but BOP will take you to the next
level of optimization.
Why is the program running as a text only DOS version?
The program is currently a DOS text program because this is
extremely efficient. It looks old fashioned and by current standards,
not very pretty but the same computations running under a fancy
graphic interface could be about 30-50 MB. This would not be
viable to download a DEMO version and we would be faced with
snail mailing CDs all over the world. A fancy interface would
not only be slower but will not improve the INFORMATION and RESULTS
one iota! Lets keep our priorities straight!
How accurate are the computed Steam Tables?
The steam table equations are of professional main frame quality
and are quite complex and sufficiently accurate but if you compare
them with the published tables, you may find they don't agree
to 5 or 6 significant figures. However, since your instruments
are unlikely to be more accurate than 3 significant figures,
we are totally comfortable with our tables! These are the only
steam tables we have found online that covers all superheated
conditions as well as saturated.
Why do we need to measure the Input/Output Efficiency?
The Loss method is incredibly simple, you just need the fuel
chemistry, the stack CO2 and temperature. It's quick and useful.
That's why everyone uses it, BUT bottom line budgets depend on
the actual gallons of fuel purchased and the real number of pounds
of steam generated! Because of normal instrumentation discrepancies,
the Loss method is almost always optimistic about the boiler
performance. The Input/Output method is complex and difficult
to calculate but it does relate real pounds of fuel with real
pounds of steam. Our concept is that you need an accurate
measurement tool before you can reliably improve the performance.
Optimizer is unique in using the two methods to confirm the
validity and accuracy of your data.
How do we compensate for rain on an exposed boiler?
If your boiler is outside, exposed to to the elements, we
can compensate for cold
air, even strong
winds but if it's raining, all bets are off!! We can't measure
or estimate the radiation and convection losses in rain. This
could add up to an error of several % points which is significant.
Wait for a better day!
The radiation and convection loss uses the standard ABMA (American
Boiler Manufacturers Association) estimate for average boilers.
It is based on the current load and the design values and makes
a number of assumptions about insulation, exposed surfaces etc.
but experience has shown this computed value is adequate for
our purposes and cannot be improved on with any reasonable amount
of additional measurements or calculations. We do provide for
estimating the correction for outside exposure but again you
need to make some reasonable guesses as to average skin temperature
etc.
We can't measure or estimate the steam used to atomize
the fuel oil!
We've never seen a plant that actually measures this. However,
experience says, "lets just ignore it". In the grand
scheme of things the overall affect on efficiency is negligible.
Since there is no change of state through the boiler, there is
no significant heat change.
We have a Hot Water "Boiler", will Optimizer
work?
We now have a new Hot Water specific version. Because the
variables on a HW system are somewhat limited, the program will
not provide as many possible solutions but it is designed to
meet the needs of the less sophisticated user who may not have
as much system information as available in a higher rated Steam
plant.
We are burning Coke Oven Gas,
The current version allows using Coke Oven Gas but because
of the potentially complicated fuel composition we do not yet
have really good correlation data. If you wish, the program will
compute a theoretical BTU content of the gas assuming all the
other values are correct. Unless you have on-line gas composition
metering, this may be the best available data.
Do you recommend the ORSAT analyzer?
The ASME recommended instrumentation
for efficiency testing includes an ORSAT gas analyzer. In the
real world, we believe this finicky, glass device is best relegated
to the laboratory. Newer, digital, solid state or rugged industrial
gas measurement devices can provide comparable data much easier
and with suitable accuracy. Of course, if you have one, it's
clean and functioning with fresh chemicals, by all means use
it until you can justify easier to use equipment. Bararach
the primary company in this field still has it's liquid Fryrite
devices for O2 and CO2 . They are inexpensive and reliable.
Will the Optimizer recommend HOW to increase efficiency?
The current version is not intended to provide specific recommendations
on YOUR ACTION PLAN from the efficiency data generated. This
program is intended as a powerful Diagnostic Measurement TOOL
that will give you the information to reliably quantify your
options. By comparing the performaance curves of all of your boilers it will be clearly indicated how to maximise overall performance and minimize costs and GHG production. If you are unable to consistantly achieve the improved conditions you desire, the program will provide potential budget savings available to finance new instrumentation, burners and/or control systems.
You may consider reducing excess air, recovering radiation
losses by pulling combustion air from the ceiling, reducing radiation
losses with additional insulation, you may consider reducing
operating pressure or changing which boiler is best on Base load
etc The program will show you the gains that are potentially
available but other reference material or a local professional
consultant should be consulted to develop a plan.
Who created boilerOptimizer?
The primary creator of the boilerOptimizer
is John Souvage. With a mechanical engineering background, John's
career includes over 20 years as a staff consultant in fuel treatments
and energy systems with one of the world's primary water treatment
companies. Experience varied from the smallest firetube heating
boilers to being the water treatment specialist on site for the
commissioning of both of the Tar Sands boiler plants to providing
computed assisted energy audits at several different provincially
owned 100+MW power generation plants. John was an NACE qualified
corrosion expert and was a world recognized specialist in oil
refinery crude unit problems. He has taught and lectured on both
corrosion engineering and energy computation at several universities
and colleges. His energy audit computer programs were adopted
and used by many divisions and countries within the water treatment
company. John now owns and runs a computer based communication
company in Burlington Ontario Canada.