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market-farming - Re: Question about heating small greenhouse

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  • From: "jay gee" <jgj23 AT mindspring.com>
  • To: "Market Farming" <market-farming AT franklin.oit.unc.edu>
  • Subject: Re: Question about heating small greenhouse
  • Date: Wed, 28 Mar 2001 23:24:23 +0000


On Thu, 29 Mar 2001 00:05:10 -0800, John Madsen wrote:

>Has anyone messed with biomass for heating?

While reading all the posts I was asking myself the
same question.

When building a new greenhouse, it would be a relatively
simple proposition (though somewhat expensive) to pour
the greenhouse slab over lengths of cement pipe over a
gravel bed (for insulation and drainage). With the pipes
extending the full length of the floor slab and open at both
ends the result is a horizontal compost heap. which could
be charged with composting material before the weather
turns cold. Concrete is a good conductor of heat and
the heat released would be substantial.

Additionally, by running a perforated pipe through
the tops of the pipes, methane gas could be trapped
and compressed into a tank by a solar pump to use
for extra heat when needed.

The pipes and gravel bed would be below grade to
help maintain the pipe seals.

Jay Gee
not a farmer, but interested in farming







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