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  • Making Rocket Stoves in China

    Making Rocket Stoves in China
    Dean Still, Aprovecho Research Center, March 28, 2008

    Hi Stovers!

    A lot of the folks on the List saw the Rocket stoves that we are making in China at ETHOS. John Page and I just spent ten days at the factory near Shanghai. Here’s a quick update on the China project.

    The big news is that the lightweight, refractory ceramic combustion chambers are now being extruded at the rate of about one thousand per day. You can imagine that John and Dean were grinning ear to ear, watching the materials being mixed three times in the big grinders. When thoroughly mixed, the clay is extruded into the combustion chamber shape, pushed by a 100HP motor, and every twenty seconds or so, another combustion chamber is ready for drying. (There are photos of all this.) Drying takes about 30 days and then firing takes place in the huge coal fired kiln, as big as a supermarket. I think that we can fire about 20,000 combustion chambers at one go. The kiln is being fired and emptied simultaneously. The clay deposit is located one kilometer from the kiln.

    The cast iron stove top was adjusted; raising the pot supports two millimeters, after further emission testing in the lab showed a reduction in CO and PM with a little higher clearance.

    We have the first order for a container of stoves, which is going to India. The factory has arranged for a good set up price (about $600) for the packaging. The six sided box can be printed in the local language with desired designs and logos.

    We are investigating shipping costs to and duties for all countries. There are different duties for whole stoves and for stove parts. We’re going to write up our experience and send it around to everyone, bit by bit, trying to share what we learn from this project.

    You can contact me for the stove catalog, questions, etc…

    All Best,

    Dean
    Aprovecho Research Center
    www.aprovecho.org
    541-767-0287 Oregon, USA
    dstill@epud.net

    New Factory Under ConstructionNew Factory Under Construction

  • Stove Safety Panel at ETHOS - Viewpoints from corporations, standards institutes, and small developers

    Hello stoves community,

    At ETHOS 2009 we held a panel on stove safety, bringing in viewpoints from corporate standards development, national standards certification, and small to medium scale developers. The team led by Nathan Johnson (Iowa State University) included Crispin Pemberton-Pigott (New Dawn Engineering), Casper Thijssen (Philips), and Karabi Dutta.

    The panel gave a comparative analysis of how different stove industries (multinational corporations, medium-scale companies, NGOs, small developers, etc.) addressed fundamental stove safety questions. These topics included:

    a) applicability of standards and regulation;
    b) incentives and benefits
    c) facilities and equipment availability
    d) cost vs. benefit
    e) resulting action

    We determined that each type of industry has a different perspective that influences their path or actions towards a safer stove. And that all sub-industries may not produce safer stoves given the same incentive mechanisms or policies. As such more than one path to safety may be needed to reach the greatest amount of end-users (and producers). The panel ended the discussion with an overview present work in stove safety with recommendations for next steps.

    Please view the attached file for more details. I will be leading a group in 2009 to work on the following: assemble database of injury data, b) analyze incentive mechanisms, cost/ benefit, c) development of lab testing procedures for different stove categories, d) publication of findings/ results, and e) look for partnerships with international agencies to support safer stove design and production.

    Please contact me if you have any questions. There will be more updates to follow. Best,
    Nathan Johnson
    atlas@iastate.edu
    PhD Candidate, Mechanical Engineering, International Development
    Iowa State University

  • Review of China's National Improved Stoves Programs

    Review of China's National Improved Stoves Programs
    Jonathan Sinton, LBL, January2005

  • Aprovecho Mass Producing Stoves

    Aprovecho Mass Producing Stoves
    Dean Still, Aprovecho Research Center, September 4, 2007
    Officials from Shengzhou Stove and Aprovecho Seal the DealOfficials from Shengzhou Stove and Aprovecho Seal the Deal

  • Robert Flanagan's Biochar Stove: Carbon Negative Cooking

    Robert Flanagan's Biochar Stove: Carbon Negative Cooking
    David Yarrow, TERRA: The Earth Restoration & Renewal Alliance, October 30, 2007


  • International Conference on "New Villages with Renewable Energy" Beijing March 12-13, 2007

    International Conference on "New Villages with Renewable Energy" Beijing March 12-13, 2007
    Suzy Wei, China Association of Rural Energy Industry (CAREI)

    Dear Sir or Madam,

  • Making Charcoal

    How to Make Charcoal
    Robert Flanagan, SAFFE, January 30, 2008

    I've just been playing around with my natural draft stove to see how easy it would be to use it for cooking and making charcoal.

    I fed some extra fuel in the side to show the pyrolysis reaction taking place.

  • Charcoal and Fuel Videos

    Charcoal and Fuel Videos
    YouTube July 2007

    Eco-Charcoal Income-Producing Project July 17, 2006

  • TLUD Gasifier in Ashden Award for Enterprise

    TLUD Gasifier in Ashden Award for Enterprise
    Paul Anderson September 21, 2007
    Shenzhou DaxuShenzhou Daxu

  • Charcoal Producing Microgasifier

    Charcoal Producing Microgasifier
    Robert Flanagan, SAFFE, China, July 2007

    This is a simple way to convert fibrous material with moisture of less than 25% to clean energy and charcoal or Carbon Negative Energy!!!

  • Manually-operated biomass pelletizer - clay as a binder?

    Manually-operated biomass pelletizer - clay as a binder?
    Charlie Sellers, May 10, 2008
    Honeycomb CoalHoneycomb Coal

  • Small-Scale Carbon Briquetting in China

    Small-Scale Carbon Briquetting in China
    Tim Anderson, June 2005 courtesy fo Jim Mason, January 24, 2007

  • China: Hangzhou Stand Alone Micro Gasifier

    Stand Alone Micro Gasifier (HEDON)
    Robert Flanagan, Hangzhou Sustainable Agricultural Food & Fuel Enterprise Co., Ltd., China, February 13, 2007

    Hangzhou Micro GasifierHangzhou Micro Gasifier
  • China: Charcoal/Biomass Briquette Press

    China: Charcoal/Biomass Briquette Plant for Agroforestry Wastes
    Anyang General, International, Anyang,Henan,P.R.C

  • China Biomass Stove Competition: A Summary Review of Pertinent Background, Standards, Testing and Enterprise Innovation

    China Biomass Stove Competition: A Summary Review of Pertinent Background
    Information Relating to Stove Standards for Performance and Emissions, Testing

  • Field Validation of the UCB Particle Monitor

    Field Validation of the UCB Particle Monitor

    Zohir Chowdhury1,2, Eduardo Castro3, Jessica Higashiyama*1,2,