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Posted by boiler guy4343 on February 03, 2012 at 12:29:01:
In Reply to: Re: Miura Boiler vs Fulton Boiler posted by Boiler Guy on May 05, 2008 at 09:00:10:
: I think you should get experiance with a piece of equipment over a fare time frame know your equipment on both sides then you will see miura is the way to go making statements to discredit equipment to help promote your own favorites or sales is luring and soon people would find out in all due respect get outta the stone ages and try to save our planet thx
: I think there are additional studies that need to be done before you can make a correct decision. As a personal preference I am no fan of Miura (or any other low mass boiler for that matter) for any industrial application or any cyclic operation. It does require pristine water as you seem to be aware. You should also look into the cost and time to repair a Miura should you have a problem. To be fair any industrial boiler will require service over its lifetime so you should look into the long-term service costs and needs of any boiler.
: The big issue I see is a need to have a better understanding of the boiler load profile. You say you need steam fast. What is fast and for how long? What kind of variability in load change will you see? Expecting a boiler to cycle on and off all day long to satisfy a cyclic load will tear anyones boiler to pieces, the difference will only be how long. A conventional firetube boiler may be a potential solution as the large volume of saturated water would provide a buffer for instantaneous demand allowing the burner time to ramp up to match load. The solution might even be a small boiler with an accumulator to shield the boiler from excessive cycles.
: In summary a better load profile is required to offer any other suggestions.
: Boiler guy
: : Looking at purchasing a 50 hp ( 80 psi) boiler for providing saturated steam for a large steam chamber.
: : The water in my area is hard (600ppm). At times our water softners have been known to not work 100% all teh time and my concern with selecting a water tube vs a fire tub boiler comes down to which will perform best should hard water for a couple of days ( on the weekend) be an isssue.
: : The Miura has temp sensor on a tube that will shut the boiler down if it detects a high surface temp on a coil. This will force us to resolve the problem if it is a water softner issue. The Fulton boiler will continue to run at a lower efficiency. Running this way we may not know we have a softner problem right away.
: : What is your experience with either of these boilers.?
: : I know the Fulton will take longer to produce steam than the Miura. I do not need immediate steam but the faster the better.
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