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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

The Lorena Stove

Saving the World One Person at a Time


What is a lorena stove
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


Effectiveness of lorena stoves
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


Why lorena stoves
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


How do they work

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


Selecting the location
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


Constructing the stove making adobe
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


Constructing the stove preparing the frame
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


Constructing the stove filling frame with adobe
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


Constructing the stove adding a finish
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


Final notes
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