Canadian Well: Materials Prohibited?

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chatelot16
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by chatelot16 » 17/09/12, 12:48

Smooth inner corrugated tube: very bad for Canadian well since it makes a double wall that reduces thermal contact
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bobono
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by bobono » 17/09/12, 19:47

double layer not quite because hollow and hump = 50% SURFACE, specialists use this type of pipe.
Only question on the composition of the inner sheath which must be in polyethylenedioxythophene PEDT.
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Forhorse
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by Forhorse » 17/09/12, 22:19

In the book I have it is indicated very explicitly that the TPC sheath is to be avoided.
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by Former Oceano » 18/09/12, 22:19

In the case of a wood heating that takes indoor air to ensure the combustion of wood, there will still be a cold air intake.
The Provencal well (PP - sorry I prefer a PP to a PC : Mrgreen: ) is then useful. Otherwise it would be better if the air inlet of the wood heater is connected by a duct to the outside to prevent the entry of uncomfortable cold air into the house.
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by bobono » 19/09/12, 13:11

The sheath is bought rest in a laid slice in a straight line of 2 m deep in clay, I give you the results in a few days. 50 set to 200 € IN 150 diameter. + the cost of slicing it will not ruin me.
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chatelot16
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by chatelot16 » 19/09/12, 15:11

a wood heater it must not take the already warm indoor air ... it is enough that it takes directly from the outside air: for a home has 800 ° C or 1000 ° that it is fed with air air at 20 ° or at -20 ° C does not change much

does not change much but is not completely negligible: of course, the 10 ° C-powered fireplace will heat a little more than air at -20 ° C, but not illusion it does not seem easy for me to make the Canadian well profitable with that

for a wood burning fireplace it seems to me more useful to recover the heat of the chimney: to recover the air between a stainless steel casing and a smoked duct in masonry gives a much stronger temper, for a cost price lower than a well Canadian

this hot air in the chimney can not be used directly to heat the house because of the risk of leakage, but little without problem be given as air intake to a home
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