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1

Home Made / Re: Open system questions....

« on: March 06, 2011, 04:56:14 PM »

if there are pumps, there is pressure, so how can it be open?

2

Home Made / Re: Open system questions....

« on: March 06, 2011, 02:20:21 PM »

Then how do you circulate the water? Only by gravity?

3

Home Made / Open system questions....

« on: March 06, 2011, 07:59:45 AM »

Hello-

Perhaps a stupid question, but could someone explain how an open system works? I have googled and seen plenty of systems with an open tank positioned above the boiler but these are all thermosyphon systems (gravity feed). It seems to me that open system boilers located outside must have a way to pump to the house??? How does one run a pump to circulate the hot water out of the boiler if the system is open?

4

Home Made / Re: Gasification wood boiler build

« on: March 06, 2011, 07:53:17 AM »

Im not building a gasification unit.....

I think you will regret that greatly....

5

Home Made / Re: boiler build question

« on: February 21, 2011, 08:10:08 PM »

The plan is to have the boiler dump the heat into 1000 gallon storage tank, and to circulate that water through my floors.

It will gasify-like a masonry heater. It would be an updraft, rather than down draft, burner. Masonry heater have very high efficiencies. It is run full out with no idling....

I agree with you about gasifiers- there is really no other option....

6

Home Made / Re: boiler build question

« on: February 21, 2011, 07:41:27 PM »

I plan to insulate it and it will be inside, in my basement, where the leaked heat will not be wasted....

Thanks for your comments, they are greatly appreciated...

7

Home Made / boiler build question

« on: February 20, 2011, 11:28:54 AM »

Hello-

I am thinking of building a boiler but what I have in mind is more a hybrid of a masonry heater and a fire tube boiler. In other words, build the entire boiler of firebrick, like a masonry heater, then pass the flue gas through a fire tube heat exchanger. Much less welding, and longer life I would think....Any comments?

Sketch attached....