Is there such a thing is a condensing boiler that generates steam?
I have only seen or heard of condensing boilers that generate heating hot water, but never steam. Does such a boiler exist and, if so, which company makes it?
This is a steam boiler that recovers heat from its exhaust to preheat the entering water. If you don’t know the answer, please don’t ask me why I want to know, just move on. Thanks!
So I just realized why this will most likely not work. The returning condensate in a steam system will be too hot to effectively absorb heat from the exhaust and condense it.
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2 Responses to “Is there such a thing is a condensing boiler that generates steam?”
Why would you want a boiler that takes a large amount of steam and converts it into a small amount of steam?
Be easier, cheaper, and more efficient just to use the primary steam.
You may refer to a “back pressure” steam turbine, which uses a heat load as a “virtual condenser”. Steam distribution in downtown Manhattan comes from such ConEdison plants.
NYU has a hot water heating plant, which they use to heat up the whole campus. They are called boilers but actually are hot water heaters. The hot and pressurized water is circulated through a heat exchanger, which can generate low pressure steam at considerable distances.
They both are very efficient energy distribution installations.
(Forgot the pressure and temperatures involved.)