• Post Reply Bookmark Topic Watch Topic
  • New Topic
permaculture forums growies critters building homesteading energy monies kitchen purity ungarbage community wilderness fiber arts art permaculture artisans regional education skip experiences global resources cider press projects digital market permies.com pie forums private forums all forums
this forum made possible by our volunteer staff, including ...
master stewards:
  • Anne Miller
  • Nicole Alderman
  • Pearl Sutton
stewards:
  • paul wheaton
  • r ranson
  • Joseph Lofthouse
master gardeners:
  • John F Dean
  • jordan barton
  • Carla Burke
  • Leigh Tate
  • Steve Thorn
gardeners:
  • Greg Martin
  • Jay Angler
  • Mike Barkley

Idea..... Making a charcoal retort out of a rocket stove....

 
pollinator
Posts: 622
131
tiny house food preservation cooking rocket stoves homestead
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Here is the idea...


Take Peter's batch box rocket stove,  then....     make charcoal in it with a scaled up version that will fit this pan ->  






One would be able to make biochar and heat the home at the same time.    Also  one could burn sawdust in Peter's batch rocket......


 
gardener
Posts: 1494
Location: Westbridge, BC, Canada
406
building solar woodworking rocket stoves wood heat greening the desert
  • Likes 2
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Hi Mart,  

I have done this with my Batch Box several times now this winter using the same technique in the video and it worked out quite well.
Since my biochar needs are minimal however, I have decided to stop this process and instead just wait until ash cleanout time and filter out the charcoal with a screen.
My batch naturally leaves enough charcoal behind to suit my needs which saves me from having to fill and empty the retort all the time.
Good luck with your experiments.
 
Mart Hale
pollinator
Posts: 622
131
tiny house food preservation cooking rocket stoves homestead
  • Likes 1
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator

Gerry Parent wrote:Hi Mart,  

I have done this with my Batch Box several times now this winter using the same technique in the video and it worked out quite well.
Since my biochar needs are minimal however, I have decided to stop this process and instead just wait until ash cleanout time and filter out the charcoal with a screen.
My batch naturally leaves enough charcoal behind to suit my needs which saves me from having to fill and empty the retort all the time.
Good luck with your experiments.




Thanks for the confirmation.  

I have run my generator off of charcoal, and having a means to extract the energy from the making of the charcoal sounds like a wonderful thing to do...    I am thinking I could I could use wood chips that have been dried in such a pan to heat water as a thermal mass, then use the charcoal to charge my battery via my generator.....


I really like the idea of getting a large load of sawdust and then making biochar, from that sawdust and powering a rocket stove at the same time.....







 
Posts: 34
Location: Algarve, Portugal
5
duck forest garden tiny house bike wood heat homestead greening the desert
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Which scale are you working with and how big are your heating needs?

In my personal experience the best way to make high quality biochar indoors is with TLUD stoves that use syove pellets as the fuel. If you have a good sawdust supply you could consider your own pelletizer to make stove pellets.

A good alternative would be an outdoor retort system where the smoke is condensed, the heat that is extracted during this condensing of the smoke used to feed into a hot water system for the house and then the remaining non condensable gasses are fed into your generator. Then you end up with hot water, biochar and electricity.

If you are not in need of biochar then a traditional wood gasifier such as for example a FEMA gasifier or the designs from the likes of Mr Teslonian or Randominium on youtube will suit your needs when it comes to energy production.

P.s. it's not really biochar if you intend to burn the material down to ashes again ;)
 
Mart Hale
pollinator
Posts: 622
131
tiny house food preservation cooking rocket stoves homestead
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator

Martijn Macaopino wrote:Which scale are you working with and how big are your heating needs?

In my personal experience the best way to make high quality biochar indoors is with TLUD stoves that use syove pellets as the fuel. If you have a good sawdust supply you could consider your own pelletizer to make stove pellets.

A good alternative would be an outdoor retort system where the smoke is condensed, the heat that is extracted during this condensing of the smoke used to feed into a hot water system for the house and then the remaining non condensable gasses are fed into your generator. Then you end up with hot water, biochar and electricity.

If you are not in need of biochar then a traditional wood gasifier such as for example a FEMA gasifier or the designs from the likes of Mr Teslonian or Randominium on youtube will suit your needs when it comes to energy production.

P.s. it's not really biochar if you intend to burn the material down to ashes again ;)



Hi,

Thanks for your input.     I have built a TLUD stove, and it has it's place.     For my type of biomass, branches etc the cone method of making biochar is the easiest and the fastest for my needs.

I have built a charcoal gasifier, and it is useful for running my generator.      

The idea is to make the rocket batch box into a retort.   So yes you burn some wood around the Hotel Pan,   and you end up with both the rocket stove heating, and the Hotel Pan with charcoal.
 
Posts: 1
  • Likes 1
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Hello!
Not understanding a burn system I built a few years back. Maybe it’s simply makes charcoal. I made a 6”x8” box with door. Inside was a shelf 1” from bottom with a 1” hole in both the shelf and box. I took a 4”x6”x1/2” Steel casing, with bottom, with a 1” hole in center, and a removable top plate with a 1”hole in it. I then took a 1” pipe, placed it in the 4”x6” pipe, standing it up in the bottom hole. I then packed sawdust inside around the 1” pipe until full then removed the 1” pipe, placed the Lid on, placed the 4x6 on the shelf, shut the door and lit from underneath. The 4x6 has a wall it slides back against, the wall extends from the top of the 6x8 box down, leaving a 1” gap at bottom behind the pipe with sawdust for exhaust. We kept looking inside because we never seen flame or smoke, but knew from the heat it was doing something. This thing held maybe 2 cups of sawdust. Day was done and one of the guys reached in to remove the inner pipe with sawdust, with quality welding gloves, it immediately burned him through the gloves, he dropped it. The lid came off and the sawdust was still in its form, yet a black solid mass, that only fell apart after hitting the ground.
gift
 
The Greenhouse of the Future ebook by Francis Gendron
will be released to subscribers in: soon!
reply
    Bookmark Topic Watch Topic
  • New Topic