craig reece wrote:
> Heating with biodiesel or SVO would involve a diesel coolant heater, and
> I'm in the beginning stages of calculating how large a unit I'd need,
> but I suspect that a diesel coolant heater would work if it had same
> BTU's that a hydronic heating engineer or contractor would spec for the
> boiler or water heater for square footage involved.
The system has to be designed to cover heat loss for the house in
question. We paid an engineer to do what I could have done myself (well,
maybe not--maths have never been my strong point!), but it had to be approved
by the municipal authorities before we installed our boiler. We ended up
with a 50 000 Btu per hour unit. The rest of the contractors laughed at our
"toy" boiler!
A 10 kW diesel gen set will surpass this in total waste heat, but I
imagine that less than 30 000 Btu is recoverable from the engine coolant.
However, such a system would utilize the SVO or Biodiesel much more
efficiently than simply burning it for power, which brings down overall
costs.
robert luis rabello
"The Edge of Justice"
Adventure for Your Mind
http://www.1stbooks.com/bookview/9782
Biofuel at Journey to Forever:
http://journeytoforever.org/biofuel.html
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