Green Life Dish Type Solar Cooker

It is a concentrating type parabolic dish solar cooker useful for homes & small establishments. A typical dish solar cooker has an aperture diameter of 1.4 meter and focal length 0.28 meter. The reflecting material used for fabrication of this cooker is anodized aluminum Sheet, which has a reflectivity of over 80%. The tracking of the cooker is manual and thus has to be adjusted in 15 to 20 minutes during cooking Time. It has a delivering power of about 0.6 KW which can boil 2 to 3 liters of water in half an hour. The temperature achieved at the bottom of the vessel could be around 350 to 400o C which is sufficient for roasting, frying and boiling. The cooker having a thermal efficiency of around 50% can meet the needs of around 15 people and can be used from one hour after sunrise to one hour before sunset on clear days. It can be easily dismantled and assembled by anybody and thus may be nicely packed and transported anywhere in the country. The cooker is user friendly as the place of vessel to be kept for cooking is at a level which is convenient for the people to use.

Fuel Savings:

The cooker can save up to 10 LPG cylinders/year on full use at small establishments. The cookers with imported reflectors having a reflectivity of over 90% will have a higher cost. This should include the cost of accessories like pressure cooker, cap, hand gloves & goggles, cooker manual, packing etc.

Life:

Around 20 years for metallic structure. Reflecting sheets may however, have to be replaced once in 5 years due to degradation in reflectivity.

Pay back:

1 ½ to 3 years depending on the extent of use & the place of utilization (for commercial establishments and large families the pay back period is less).
Solar Cooked food preserves most of the vitamins, minerals and antioxidants. Vitamins and minerals increase the nutrition value while antioxidants protects from cancer. Boiling and steaming type food diet protects from most of the diseases as compared to frying, grilling and micro waving. Burning any fuel like cooking gas, kerosene, wood etc. releases gases like carbon-dioxide, carbon monoxide and nitrous oxide. Intake of these gases for long duration is a cause of major respiratory diseases in housewives. Continuous inhaling of higher carbon dioxide and carbon monoxide promotes cancer. Solar cooked food is easily digestible. It gradually relieves stomach disorder, constipation, gastric trouble and acidity. Solar Cooking improves the taste of the food to a very large extent.