maarten martens

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since Sep 14, 2018
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Recent posts by maarten martens

thank you Glenn,

i ll keep your answer in mind !

the design of the horizontal pipe can have two solutions :
1, a chimney pipe with copper windings around it, the whole inside a hollow core, made out of fire proof isolation
- no creosoot in contact with the copper
- heat transfer is not optimal, lets say minimal, maybe oil instead of water can help, but then, whats next ?
(but maybe just enough energy to heat a small water tank for showering)
- easy to maintain because out of the smoke
-> in this case i can install it underneath the riser roof, in a simple horizontal way as Glenn describes

or

2, a chimney pipe with a rvs or copper winding inside it, hollow core around it.
- creosoot ! so maintenance is necessary
- heat transfer is good
-> in this case i will need to install it on top of the roof as in my drawings, but then the question rises
? what about the metal parts because they will be exposed to a very high temperature ...
heat to water exchanger inside a chimney

looking forward to your toughts
greetz
Maarten



1 year ago
hello all,
short introduction : i am a belgian architect, constructing my own house.

- maximum possible off the grid sunship house with large greenhouse attachted to the south (wink to the original earthship)
- 175 m2 floor surface ( 1883 sq ft) for 5 people and my own office, one can say a tiny house for each and everyone of us ;-)
- recycled glas shutters for foundation & floors
- wood foundation beams
- prefab strawbales for roof and walls
- wooden windows with triple glazing
- recycling & upgrading all rainfall

heating my house
1st = the sun through the greenhouse glass
2nd = wood from our own trees -  i will build a BBR in the living room/kitchen with direct radiation walls and a bench.
studied a lot of info from this website webpage & had a very nice meeting with the rocket master himself !!
3rd harvesting heath to send to my hot water tank (this can be done through the principle of thermosiphon or with traditional pump)


on top of the riser, i will put a smoke valve to send hot gasses through a well isolated horizontal metal tube
when closed, the gasses drop to the secondary chimney entrance, on ground level.

my question:
to calculate the dimensions of the BBR - do i need to take into account the chimney itself ? 200 x 200 mm (7,8 inch x 7,8inch)
or
do i need to use the diameter of the horizontal tubing ? 150 mm ( 5,9 inch)

what do you think of this configuration ?

greetings & looking forward to read your remarks
Maarten

ps : 4 pictures attached, but it is my first post here, so i m not sure if all will go well...

1 year ago