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The Lorena Stove

The Lorena Stove. Saving the World One Person at a Time. What is a Lorena Stove?. Stove to replace open fires Constructed of adobe (mud, straw, water) Inexpensive raw materials Adobe Large plastic bucket Empty coffee can, empty soup cans Pipe for chimney. Cooking on an open fire in a hut.

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The Lorena Stove

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  1. The Lorena Stove Saving the World One Person at a Time

  2. What is a Lorena Stove? • Stove to replace open fires • Constructed of adobe (mud, straw, water) • Inexpensive raw materials • Adobe • Large plastic bucket • Empty coffee can, empty soup cans • Pipe for chimney Cooking on an open fire in a hut The Lorena Stove

  3. Effectiveness of Lorena Stoves • Chart shows infant deaths in Peruvian village • Drop after 1998 when Lorena Stoves were installed • Cases of respiratory disease not available The Lorena Stove

  4. Why Lorena Stoves? • Decrease common diseases from smoke • Respiratory infections • Eye infections • Asthma • Increase fuel efficiency • Save work in cutting and gathering wood • Save trees in and around village Peruvian boy who has suffered from respiratory infections The Lorena Stove

  5. smoke How Do They Work? • Wood or grass placed in fuel chamber • Fuel ignited • Pot or pan placed on opening on top • Cool air enters through fuel chamber • Smoke exits through chimney Chimney pipe Pipe exits roof Opening for pot or pan Adobe Stove Fuel chamber The Lorena Stove

  6. Selecting the Location Chimney Opening for pan • Build Lorena stove in corner of hut farthest from front door • Choose wall so that fuel chamber is on right or left, depending on handedness of cook Lorena stove Door Walls of hut The Lorena Stove

  7. Constructing the Stove: Making Adobe • Select mud with a moderate amount of clay ► Excessive clay causes stove to crack when heated ► Insufficient clay causes stove to collapse • Mix with water • Add straw Mixing mud and water Mixing in straw The Lorena Stove

  8. Constructing the Stove: Preparing the Frame Fuel chamber • Place a large plastic bucket in wooden form for fuel chamber • Place empty coffee can for heat chamber • Place chimney pipe • Place pipe between all three items Chimney pipe Heat chamber Wooden form The Lorena Stove

  9. Constructing the Stove: Filling Frame with Adobe • Join 3 chambers with pipes or small cans • Add adobe around buckets, cans, and pipes • Prop sides of form to prevent collapse • Allow 48 to 72 hours to dry Adding adobe to frame The Lorena Stove

  10. Constructing the Stove: Adding a Finish • After adobe dries, remove wooden frame • Remove plastic bucket (other cans and pipes stay in stove) • Apply wet adobe to outer surface; rub until smooth Photo of completed stove in woman’s hut The Lorena Stove

  11. Final Notes • Work under direction of villagers • Train villagers to build stoves • Train villagers to cook on stove • Villagers like stoves for their fuel economy • Lorena stoves save lives The Lorena Stove

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