the lorena stove
DESCRIPTION
The Lorena Stove. Saving the World One Person at a Time. What Is a Lorena Stove?. Replaces open fires in hut Removes smoke from hut through chimney Constructed of inexpensive raw materials Adobe (mud, straw, water) Large plastic bucket Empty coffee or soup can Pipe for chimney. - PowerPoint PPT PresentationTRANSCRIPT
The Lorena Stove
Saving the World One Person at a Time
The Lorena Stove 2
What Is a Lorena Stove?
Replaces open fires in hut
Removes smoke from hut through chimney
Constructed of inexpensive raw materials• Adobe (mud, straw, water)
• Large plastic bucket
• Empty coffee or soup can
• Pipe for chimney Cooking on an open fire in a hut
The Lorena Stove 3
Effect of Lorena Stoves on Infant Mortality
0
2
4
6
8
10
Dea
ths
2000
2001
2002
2003
2004
2005
Infant Deaths In Paqarimuy, Peru
* Cases of respiratory disease not available
Note drop after 2003 when Lorena Stoves were installed
The Lorena Stove 4
Why Use Lorena Stoves?
Decrease incidence of common diseases from smoke inhalation• Respiratory infections
• Eye infections
• Asthma
Increase fuel efficiency• Save trees in and around village
• Save work cutting and gathering wood
Peruvian boy who has suffered from
respiratory infections
The Lorena Stove 5
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
Fuel chamber
Adobe Stove
Chimney pipe
Opening for pot or pan
Pipe exits roof
smoke
The Lorena Stove 6
Selecting the Location
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 Walls of hut
Doo
r
Chimney Opening for pan
Lorenastove
The Lorena Stove 7
Constructing the Stove: Making Adobe
1. Select mud with a moderate amount of clay► Excessive clay causes stove
to crack when heated
► Insufficient clay causes stove to collapse
2. Mix with water
3. Add straw
Mixing mud and water
Mixing in straw
The Lorena Stove 8
Constructing the Stove: Preparing the Frame
1. Place large plastic bucket near side of wooden form to be fuel chamber
2. Place empty coffee can near other side of form to be heat chamber
3. Place chimney pipe midway between other items Wooden form
Chi
mne
y pi
pe
Fuel chamber
Heat chamber
The Lorena Stove 9
Constructing the Stove: Filling Frame with Adobe
1. Join 3 chambers with pipes or small cans
2. Add adobe around buckets, cans, and pipes
3. Prop sides of form to prevent collapse
4. Allow 48 to 72 hours to dryAdding adobe to frame
The Lorena Stove 10
Constructing the Stove: Adding a Finish
1. After adobe dries, remove wooden frame
2. Remove plastic bucket (other cans and pipes stay in stove)
3. 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