They also find numerous applications in industries such as textiles wood fruit and food processing paper pharmaceutical and agro industries.
What are the advantages and disadvantages of solar crop driers.
In hot arid climates the collector may not even be necessary.
The product is protected against flies pests rain and dust.
Disadvantages its not as vierment friendly as solar power.
Solar driers have the following advantages.
Solar dryers can be utilized for various domestic purposes.
Less risk of spoilage because of the speed of drying.
What factors determine the type and size of solar collectors for crop drying.
Uv protection of solar dryers maintains colors and nutrients of fruits and vegetables.
Suggest remedies for the disadvantages.
Please also give references.
It helps preserve food and increase the shelf life of the product.
The solar cell won t work at night or in the dark.
Advantages of solar dryers.
Drying is faster because inside the dryer it is warmer than outside.
Indirect solar drying technique has almost only advantages.
Solar dryers in parabolic domes allows water to run along the walls no contamination of goods by water better product quality color skin taste better prices due to better quality higher affordability level better payback power of farmers.
Its only disadvantage is the high initial capital cost for the dryer the collector field and all necessary auxiliary equipment as ducts pipes blowers control and measurement instruments and more or less skilled personnel to.
It has also advantages that crop are protected from dust rain insects animals etc.
What are the advantages and disadvantages of solar crop driers.
The basic components of a solar dryer are an enclosure or shed screened drying trays or racks and a solar collector.
Green house solar dryer is an enclosed chamber which is used for drying various crops using green house effect.
1 color deterioration of green fruit during dehydration and 2 decomposition of residual chlorophyll in the tissue under direct solar radiation.
Relative advantages and disadvantages of cabinet type direct solar dryers are.
Solar greenhouse dryers are available in different size and design and are used for drying various crops and.
More sophisticated solar dryers protect grain and fruit reduce losses dry faster and more uniformly and produce a better quality product than open air methods.
If the drying process is slow the fruit start to ferment and the product is spoilt.
Solar dryers are more economical compared to dryers that run on conventional fuel electricity.
It is labour saving.
