Upload
khuntias
View
60
Download
1
Embed Size (px)
DESCRIPTION
S.Khuntia, Ex-Chief Scientist of CSIR, Govt of India has developed a low cost biomass cook stove with chimney for community cooking in residential schools of Odisha, India during December 2012. It is being disseminated by Govt. of Odisha, India for reduction of firewood consumption and smoke & shoot in kitchen.This stove is reducing nearly 30% biomass consumption over traditional stove and kitchen is completely free from pollution & smoke. Health hazard is greatly reduced in schools during cooking.
Citation preview
Improved smokeless biomass cook stove for residential schools & community
cooking
ByS.Khuntia
Ex-Chief Scientist of CSIR, Govt of IndiaBhubaneswar, India
Inventor: Various Improved cook stoves & Rural technologiesMember of Core committee of MNRE-GOI on Biomass cook stove pgm.
E.mail: [email protected]: 09437012679
March 2013
Residential school in Bhubaneswar, Odisha, India : 350 SC & ST students
Traditional Cook Stove in school
• U – Type brick stove (chulha) without grate.• Fuel: Firewood.• Pot size : 36 to 24 inch diameter, flat bottom.• Present cooking for: 300-400 children• Food preparation: Rice, dal & vegetable, two times.• Cooking period: 120 to 135 minutes (depending upon
items)• Smoke & shoot: excessive• Room temperature: High (intolerable)• Exhaust of gas & smoke from kitchen: Through door &
window
Traditional cook stove & kitchen
Black shoot coating inside the
kitchen due to excessive smoke
Improved smokeless cook stoveInstalled in Ashram school:
Designed by : S.Khuntia, Ex-Chief Scientist of CSIR (during December 2012)
Installed by : M/S Modern Pottery Industry, Bhubaneswar at Ashram School, Nayapalli, Bhubaneswar, SC & ST Dept. Govt of Odisha
Sponsored by : District Collector, Khurdha through its District Welfare officer
Period of Installation: December 2012
KHUNTIA – IMPROVED COMMUNITY FIXED CHULHA WITH CHIMNEY
Chimney outside of kitchen
Cooking by KHUNTIA- Smokeless stove)
Inside hearth and top plate to accommodate small size pots
Performance study of KHUNTIA stove: Comparasion with Traditional stove
Sl. Parameter Traditional stove KHUNTIA- Cook Stove
1. Construction Red Brick & clay Red brick, cement sand mortar & steel chimney
2. Cooking capacity 300 – 400 children 300 – 400 children
3. Firewood consumption 105 kg/day 75 kg/day
4. Fuel saving over traditional
- 29% at present(Designed for 30%)
5. Cooking period 120 – 135 minutes 85 – 100 minutes
6. Smoke Excessive & burning eye Almost Nil
7. Room temperature Quite high (intolerable) Normal as outside
9. Tentative life 5 – 10 years More than 10 years
9. Cost About Rs. 2000/- About Rs.10,000/-
10. Recovery of cost Within two months
Other Improved cook stoves invented by S.Khuntia & utilized in NPIC of MNRE, Govt.
of India during 1998 to 2003
• “Harsha” multifuel portable stoves ( Family & Community)
• Fixed chulhas with chimney (SK-1, SK-2, SK-3, SK-4, SK-Agni, SK-Delux etc)
• All stoves propagated by OREDA, Govt. of Odisha under NPIC during 1990 to 2003 in Odisha.
• More than 3.0 million units of above design cook stoves disseminated in different parts of India.
• OREDA had disseminated more than 1.5 million units of above stoves in Odisha.
‘Harsha’ Multi-fuel stove family size
‘Harsha’ Multi-fuel Community stove ‘Delux’Multi-fuel community fixed stove
‘SK-Deluxe’ Multi-Fuel fixed Chulha (family size)
‘Jyostna’ Multi-fuel stove
Performance of Multi-fuel stoves
ModelMaterials for construction
Present cost(Rs)
Thermal efficiency (%)
CO/CO2TSP(Mg/M3)
Cooking capacity (person)
As per BIS -- -- > 25% < 0.04 < 2mg/M3 --
Portable StovesHarsha
Mild steel (MS)
600 30-43 0.007 1.8 8
Jyostna MS 550 30-42 0.0075 1.82 8
Harsha (community) MS 4000 30-51 0.0055 1.71 50-400
Fixed StovesSK-Delux
MS and clay 250 28-40 0.0065 1.75 8
SK-Delux (community) MS and clay 1250 30-42 0.0055 1.70 50-400
NOTE : Exhaust gas drawn from a hood, 350 mm from top of stove (with dilution)
Pottery-lined fixed chulhas with chimney ‘SK-3’ Single pot stove with chimney
‘SK-1’ double pot stove with chimney
‘SK-3’ Pottery-lined fixed chulha with chimney
(Nearly 2.5 million stoves sold in India)
‘SK-Agni’ Fixed Chulha (Without chimney)
Thanking you