Fule use in cooking industry
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The document discusses the design of an energy efficient stove for rural households. It outlines limitations of existing stove designs such as lack of secondary heat storage, safety issues, and inefficient heating times. The proposed new stove design aims to be safe, user-friendly, portable, able to use different biomass fuels, and provide both primary and secondary cooking functions through a heat transferring medium like oil. Key factors to consider in the detailed design include safety, various cooking functions, ergonomics, and making the stove affordable for the target market. Research on existing efficient stove models from other countries is being conducted to inform the new design.
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Fule use in cooking industry
- 1. FULE USED IN COOKING INDUSTRY
- 2. DESIGN THAT MATTERS EnergyEfficientStove Product Background Some characteristics of the original product are: • Water is used to transfer heat for secondary use from prim ary burner • Flexible pipe is used to divert heat to another vessel or to the same vessel.
- 3. DESIGN THAT MATTERS EnergyEfficientStove Some limitations of the existing product are: •No secondary heat storaNot formally marketable •ge facility – no secondary use for steam •Factor of safety is low – open circuit •Time to achieve steam is long •Water doesn't retain heat for long •Problem of maintaining water level •Corrosion •Scaling problems
- 4. DESIGN THAT MATTERS EnergyEfficientStove Product Design Brief To design a multi functional energy efficient stove using “single burner double stove" principle for the rural household The product should be: safe user friendly portable able to use different kinds of biomass Indian
- 5. DESIGN THAT MATTERS EnergyEfficientStove Data collection RESEARCH Looking at various models of "energy efficient " stoves over the world, and seeing "local" sol utions to similar problems. • use of local materials • harnessing maximum energy • looking at conventional cooking spaces • looking at varied needs / requirements of end user • different functional attributes The other countries that have s imilar products are: • Kenya • Ethiopia • Sri Lanka • China
- 6. DESIGN THAT MATTERS EnergyEfficientStove The other component of research inclu des the study of different materials tha t can be used for the product. Some of the materials are: • oils • ceramics • metals • pipes • insulation • fuel
- 7. DESIGN THAT MATTERS EnergyEfficientStove Initial principle Water Cooking system Steam Heat Fuel Improvement Cooking system Secondary heater Heat Fuel Heat transferring medium
- 8. DESIGN THAT MATTERS EnergyEfficientStove Skeleton Prototype
- 9. DESIGN THAT MATTERS EnergyEfficientStove Factors to be considered for detailed design SAFETY • safety from open fire • pipe explosion • burning of biomass • leakage of oil • clogging of oil inside closed circuit • oil level should be maintained • thermal insulation • flash point of oil shouldn't be too low • stability of stove • hot plate • smoke free • no sharp edges
- 10. DESIGN THAT MATTERS EnergyEfficientStove FUNCTIONS • to satisfy conditions of primary and secondary cooking • ability to accommodate different sizes of vessel s • to use maximum amount of the generated heat • portable • stable • easy ash removal • blowing device • ability to use different types of biomass - firewood, charcoal, coconut shells, compost, dry leaves, cow dung cakes • temperature indicator • hot plate function • hot plate surface quality • cleaning • non stick surface • flue gases directed away from user • flue gases used for secondary heating device
- 11. DESIGN THAT MATTERS EnergyEfficientStove ERGONOMICS • physical/visual ergonomics • height for reasonable access • smokeless • right weight for portability • prominent placement of indicators • handles for lifting • dimensions of stove • distance between plates • shape of pipe for ideal flow • materials used - use of local materi als, availability, production techniques, color, texture • cultural attitude of cooking
- 12. DESIGN THAT MATTERS EnergyEfficientStove MARKET • cost - cost efficient, affordable • packaging - should emphasize "efficiency" of stove, include instructions for use • production - mass produced, materials, reductio n in cost, advertising • technology • manufacture • distribution • retail • disposal • recycling
- 17. DESIGN THAT MATTERS EnergyEfficientStove Attributes Protection from open fire Preventing oil leakage Maintaining oil pressure Maintaining oil level Protection from hot surface Maintaining stability To satisfy conditions/functions of pri mary and secondary cooking Portability To accommodate different vessel siz es Removal of ash