Diego Herranz Velázquez

some photos of the stove construction process to where it is now

Glenn Herbert wrote:I think the layer of bottles, encased in cob, will work fine and give decent insulation from the ground. As long as the bottles are not directly exposed to the fire they will not melt or break.

Thank Glenn

The picture

ok Thomas.

The floor of the hut is made of NHL 5 hydraulic lime. To build the building I made a hole about 50cm deep. I covered it with NHL5 hydraulic lime mortar then waterproofed it with linseed oil then filled it all with etch, first a layer of thin etch then a layer of thick etch, sealed it with NHL5 hydraulic lime mortar and gave it again linseed. I built the hut on that, it is made of stone and lime up to approximately one meter in height, the roof is a dome that I first made in a chestnut branch and then lined with NHL5 hydraulic lime mixed with raw esparto. the branch structure was later removed, where possible.

here is a photo of a construction that I made with common brick to see the volume and space of the rocket and make sure it fit in my little hut

For the base I have a question, I am doing it as I show in the photo, a common brick perimeter filled with bottles, sand and pieces of brick then leveled with cob or I do not know if it would be better instead of using the bottles to use only brick, That is, perimeter and area brick and finished with mud?

thomas rubino wrote:Hey Diego;
I love helping people to build their Rocket mass heaters.  The more folks who have one, the more they will tell other people!
Soon,  world wide everyone will have an RMH and our air will be cleaner and everyone will be warm!

]I'm very happy to read this! ....

Thank you very much Thomas.

Together we make it possible to improve.

The proportion to be maintained with these materials is 1/3 clay / (sand, ash, crushed brick). Is it necessary that it be a part of each or can it be more sand than ash and brick?

Thanks Thomas for your advice and attention !!

I have wet clay, which is used for modeling in sculpture, I know that its firing temperature is 950 ° C

Maybe in addition to mixing with sand, I can crush some common brick and add to the mix? I don't know if right now I can get refractory clay

Greetings

Thanks Thomas!!

I think the casserole lid is a good solution, I like it!

Mentions clay / sand to stick the bricks, I understood that the ideal was to stick them with a somewhat liquid clay without sand so that there are no possible gaps between the bricks.

Then It is better to add sand as if it were a mortar, in what proportion sand / clay 1/3?

Greetings

[quote=thomas rubino]Hi Diego;
Well I'm slow but we are getting closer to my understanding.
I now know that you are building , a 6" J tube with all brick bell 70 x 70 x 45 cm   and brick chimney.  Correct?



[/quote]

Hi Thomas, yes this is correct

It is not slow, I use a Spanish English translator and there are times when the translation is not correct. In your first message you answered my question with the tube pieces and their cover, but I was looking for a cheaper way to solve the problem, here these pieces are somewhat expensive for my economy.

You can still help me with another question that has arisen. The refractory brick that I can get for the construction of the core is oven brick of 1200 ° C up to 29% alumina, this is light and from what I understand it is thermal insulating. is it still necessary for the nucleus to be isolated? Or I can line the combustion tube with cob and the heat riser set it free of cob  only with the light brick?



Thank you