Improved Biomass Cooking Stoves

Estremera Nova, Bunyola, Illes Balears, Spain htttp://www.cuinessolars.jimdo.com

Marc Ayats Plana has been working on TLUD stoves and improved low thermal mass ovens. This TLUD powered low thermal mass oven was inspired by the Anderson's Recho Rocket Oven, and uses a Champion style TLUD heating stove to power the low thermal mass earth oven.

For Marc's excellent writ-up download the pdf TLUD-OVEN Description
These are some quick notes:

He has made some changes to the TLUD style oven

• Increased primary air draft, which can apport enough oxigen to burn the charcoal generated during the gasification process and continue giving heat to the oven. Now the primary air enters around the lower perimeter of the reactor, instead of having a single inlet tube like in the original model.
• Increased the length of the riser, which also sustains the diffuser. This extra extension allows the complete combustion of gases gasification to completely remove the visible smoke in the oven.

• TLUD Reactor. Diameter: 20cm. Total length: 30cm. Fuel Height: 20cm
• TLUD Outskirt. Diameter: 22cm. Diameter central hole: 10cm. Total length: 25cm
• TLUD Riser and diffuser. Diameter: 12 cm. Total length: 30cm. Diffuser: granite piece 2cm thick and 15cm diameter
• Fuel load: 3.38Kg pellets

The Low Thermal Mass oven is based on the Haiti Rocket oven http://www.rechoroket.com
To see more pictures of the TLUD oven and the process of construction go to:
http://cuinessolars.jimdo.com/forns/

In the Oven Temperature graph, you can see the complete temperature profile. Marc did a side by side comparison of both a 20cm reactor TLUD and a smaller TLUD, with 12,5cm reactor.
"Note: the temperatures refers to the inside side of the wall oven, half way between the baking surface and the top hole. Note2: the temperatures were taken by a temperature datalogger and a type K probe."

Marc's Notes and TLUD size comparison are copied here:
Notes about 20cm TLUD test

Attached is my BINGKA OVEN fired by an Eco-Kalan-C using charcoal (oling) made from coconut shells. I have used charcoal as fuel as it burns clean. I have used firewood also but the soot that is formed inside the oven tarnishes the looks of whatever is baked in it. In the Philippines, there are many men and women who use the traditional “hornohan” for their home-based businesses of making bingka (sweet rice cake with coconut), tortas (breads filled or plain) and cakes made of cassava, ube, wheat and sweet rice. In most cases, one does not earn enough to pay for the medical costs of treating illnesses such as cancer, eye and skin infections and lung diseases which result from long term exposure to smoke and intense heat. By reducing fuel consumption and exposure to radiant heat and by removing the smoke from the cooking environment and immediate neighbourhood, the BINGKA OVEN can bring better health and higher living standards to poor families in the Philippines.adidas Yeezy 350

I agree that burning wood and other fuels like that is not what the rural people of the world should be saddled with forever. They need the kind of cooking fuel I have.

But for now, we can really help them have healthier lives and less menial labor. There is no contradiction between helping out now with better wood stoves and knowing that their governments, central and local, must do more as quickly as possible to improve their access to good energy, water, housing and all the rest.

We are happy to bring our stove to the Maasai. We have 100% "sustained adoption" and the attached photo shows why. Yes, someday they will be much better off, we hope, and not need this sort of thing. But for now, to see Rhoda, cooking some beans with her grandchild on her lap, safe and smoke free, is a motivating image that makes us proud and happy.

Bob Lange
Maasai Stoves and Solar

http://www.forstoves.com/what-we-do/maasai-stove/
and http://internationalcollaborative.org/about-us/impact/
Page non trouvée , La SCELF, Société Civile des Editeurs de Langue Française.

Potential Energy http://www.potentialenergy.org/ stoves are the stoves original designed in the Berkley labs for Sudan (the Darfur region). They are an energy efficient stove designed with the cook's needs in mind.

They have recently added an orange 'cool mesh' to the outside of their metal stove to help protect the stove user (and their children) from burns. The second photo is of a stove field test, where ladies in Africa can see for themselves the advantages and disadvantages of several designs.

The Berkley stove is created out of metal and then shipped to local artisans who assemble the stove in the field. This video shows part of the process.

Air Jordan Release Dates 2020

The stove was developed by Adrian Padt and Aidan Oosthuysen, and Richard Pocock, and uses a familiar Rocket design surrounded by a wire cage to improve the stove's stability and reduce burns. It's a smart looking stove, it saves women time and energy in gathering firewood, and it has lower emissions than the solutions it is typically replacing.

Lighting instructions:

The Rocket Works Stove, web site http://www.rocketworks.org/

• The Rockt Works stove is a high efficiency wood burning stove, designed to accommodate multiple fuels when required.
• It is smokeless after initial combustion, thereby reducing the likelihood of carbon monoxide poisoning and reducing the emission of black carbon particles.
• The outer cage remains cool to touch even after hours of cooking, due to our innovative design.
• It is made from high quality, heat resistant stainless steel allowing for years of regular use.
• It can boil 5 liters of water in 15 minutes using as little as 250g of wood, which is significantly less than traditional cooking methods.
• Its thermal efficiency is 45%, for the Large Pot High Power, performed by the SeTAR Thermal Efficiency Test.
• Its emissions are the best in its class.

Basic Specification:

• Mass: 2.95Kgs
• Height: 270mm
• Diameter : 240mm

Lighting instructions in English:

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Paal Wendelobo was an absolutely dedicated champion of clean cooking stoves, and the people that rely on them.

From his son:
"For almost 30 years, Paal brought attention to health and environmental issues connected to cooking and household energy for development countries. Paal found other people, later friends, with similar ideas and thoughts in this stove community. Despite arguments about stove design, function, and whom had the better stove. No doubt he was a pioneer, teacher but also he was a student."
"His simple Peko Pe stove invited people think new. He was also a pioneer of TLUD stoves."

He died with family a few days ago, and we'll miss him.

for more about the Peko Po Biomass stove: http://www.pekope.com
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