3.experience of ceen in stove performance test for briquette fueled device
DESCRIPTION
National Workshop on Standards and Testing of Cookstoves in Nepal 25 July 2013 Hotel Himalaya Presenter: MRIDANEY S POUDELTRANSCRIPT
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Experience of CEEN in Stove Performance Test for Briquette Fueled Device
Mridaney S PoudelCentre for Energy and Environment Nepal
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Table of content
Introduction CEENObjectives Activities/Facilities
Testing methodology in CEENStrength and WeaknessIssuesOur clients
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Introduction
CEEN1997 A.D(CEE)Non governmental and non profit making org Alternative energy sector – specialized in biomass
energy2009 A.D (CEEN)Prof Dr. Krishna Raj Shrestha - BHB -1997Promoted through CEE
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Objectives
• To undertake adaptive research/impact study• To implement programs for sustainable
utilization • To empower women through capacity building
and transfer of technology• To mobilize and institutionalize rural
communities and provide technical supports and consultancy service to achieve above objectives.
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Activities/Service
• Laboratory services for biomass/fuel and stove• Training on biomass and charcoal briquetting; designing of
molds, briquetting machine• Designing and testing of various combustion devices for
space heating and cooking• Gender sensitization and income generating activities for
women• Providing support- project/ dissertation of student
researchers• Interaction/orientation – interested crowd – students
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Fabrication of stoves
Institutional low cost stove Perforated burner with blower
Clay lined stove with chimney
Gasifier stove
Agni stove Low cost can stove
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Some of the dissertations
M.Sc. Thesis on briquetting unit - IOE
M.Sc. Thesis on stove testing- IOE
B.Sc. Project work on different raw materials
for briquetting- KU
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Biomass laboratory and stove performance testing facility in CEEN
Adiabatic calorimeter, Analytical balance Muffle furnace, Drying oven
Equipments/facilities• Hodaka emission analyzer•Fluke Digital thermometer (dual)•Fluke Carbon Monoxide meter•Hoiki data logger•IR temp recorder•Pulveriser•Grinder•Hammer mill•Moisture meter• Digital thermocouple•Bacharach smoke pump•Drying oven•Muffle furnace•Spray welding facilityMuffle furnace
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Testing methodology for briquette fueled stove at CEEN laboratory
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Why not other contemporary methods available in market?
• WBT designed specially for wood fuel burning stovesDifficulties during experimentation
Difficult to extinguish, separate charcoal – direct densified briquette
Difficult to extinguish the carbonized briquette – beehive briquettes
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Difference as fuel with respect to firewood
• Density of briquette = 2 X density of common fuel wood
• Porosity - very low • Briquette Char from combustion > denser than
wood or biomass charcoal• SPB > combustibility RPB
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Where in the world??
• Japan - Kim H., kazuhiko and masayoshi S., “Bio-coal briquette as a technology for desulphurizing and energy saving”, In T. Yamada ed. Chapter34, 2001, 33-75
• Department of Management and Engineering ,Modified Water Boiling Test : Biomass Briquettes in Malawi
• Thailand -Renewable Energy Technologies in Asia: A Regional Research and Dissemination Program Phase II
Development and Dissemination of Improved Biomass Briquetting Systems and Cooking Devices , Asian Institute of Technology (AIT)
• India- Vinita Bharti & Mamta Awasthi ,Pine Needle Charcoal Briquettes: Rural Technology Option In Pine Forest Region,
Department Of Energy & Environment, Nit, Hamirpur, H.P
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Difference
High power test with hot start and shimmering test
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Instruments
• Toshniwal Digital Bomb calorimeter with software Model no CC01/M2A
• Digital balance capacity 30 kg• Dual input Digital thermometer with Fluke
view software. Model no 54IIB• Timer • Wooden fixture for holding the probe• Utensil to boil water
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Pre test jobs
• Well dried , uniform size• Kindles prepared ahead , pre weighted• Stabilization and familiarization- fuel wt,
water, vessel• Determination of LBP• Proper ventilation - no breeze • CV, moisture, specific heat of water, latent
heat of evaporation of water
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Strength
• Simple and replicable• Preliminary understanding of stove
performance
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Weakness
• Rough approximation of how efficiently the stove performs
• Controlled condition
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Issues related to lab and field test
• No standard methodology for Briquette fueled stove
• Refresher trainings for Researchers• Accreditation• Occupational Health and Safety measure of
researcher
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Our clients?
• Students – Masters, Bachelors thesis• Industry - Briquette entrepreneurs Stove manufacturers • Other organizations
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Finally..
Centre for Energy and Environment Nepal CEEN
Bhotebahal- 224(behind Chinatown), Kathmandu, Nepal
P.O. Box 10376977-01-4215604
[email protected], www.cee-n.org.np
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Thank you