Solar Dish Cookers- For Sale
Rate Rs. 7000.00 only for SK-14 Solar cooker
Solar dish concentrator concentrates radiations of sun on receiver / cooking pot through all the day from 9 a.m. to 6 p.m. It tracks the radiations of sun manually. Parabolic dish consists of set of high reflective Aluminum Sheets. Normally, dish cookers has an area 1m^2, 1.4 m^2, 3 m^2 or of 4 m^2 of elliptical or parabolid shape.
1. SK 10 Dish Cooker: Cooking capacity for 5 to 8 person (3 liters)
2. SK 14 Dish Cooker: Cooking capacity for 8 to 12 people (5 liters)
3. SK 30 Dish Cooker: Cooking capacity for up to 40 people (25 liters)
4. SK 40 Dish Cooker: Cooking capacity for 50 people (35 liters)
Applications in Rural Families who use traditional Mud Stoves, uses Fire-wood, Cow-dung and Crop residue etc. Residential schools, mid-day meal program, Military & Defense teams deployed in remote and urban areas, Small Canteen facilities to Employees, and many more Catering up to 50 persons daily.
(ii) Dish Type Cookers
It is useful for joint families, small
establishments etc. catering to about 15 persons at a time. The cooker can be
easily assembled and dismantled and can also be packed and transported easily.
The cooker is user-friendly as the place of the vessel to be kept for cooking
is at a level convenient for people to use.
Configuration
It is a concentrating type parabolic dish
cooker with aperture of 1.4 m diameter and focal length 0.28 m. The reflecting
material used is anodized aluminium sheet with a reflectivity of over 75 %. The
parabolic dish is made of reflecting sheets supported on suitable rings for
holding them in fixed position. The sheets are joined together in such a way as
to form a parabolic shape. The structure and frame of the bowl should be strong
so that the reflectors do not get deformed while turning in various directions.
The reflector stand is made of mild steel with powder coating.
Manual tracking arrangement is provided and
adjustments may be made once in 15 to 20 minutes at the time of cooking.
The stand is designed in such a way that the reflector could rotate 360° around
horizontal axis passing through the focus and centre of gravity. It will also
rotate around the vertical axis so as to turn the reflector in the direction of
the sun.
Working Principle
The cooking vessel is placed at central point
where all the sun’s rays are concentrated through the reflecting sheets to
deliver energy equivalent of 0.6 kW to boil 2 – 3 litres of water in ½
hour. The temperature achieved at the bottom of the vessel is about 350°C to
400°C sufficient for roasting, frying and boiling. The cooker has a thermal
efficiency of about 40 % and can be used on clear sunny days from one hour
after sun rise to one hour before sun set.
Potential for
use
·
Cooking for individual
house holds
·
Small
catering establishments like dhabas, tea shops etc.
·
Small size canteens in
industries.
·
Remote locations.
Economics (Tentative)
Payback period is 2
years against a life period of 10 years.
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