Agriculture
August 21, 2024
Solar Conduction Dryer
Read SolutionImplemented by
Science for Society
Updated on January 22, 2024
·Created on September 29, 2018
Sparky Dryer is a food dehydrator that that runs on solar power and harvest waste.
Sparky Dryer is a low tech thermodehydrator designed by Sparky Social Enterprise Limited. The dryer is powered by harvest waste and solar energy and therefore has zero carbon emissions. The Sparky Dryer dehydrates 5 times faster than solar dryers, and 10 times faster than open sun drying method while still maintaining the nutrients in the food. In addition, it can dry up to 50 kg of produce within 5 hours with only 2 kgs of bio-fuel.
Target SDGs
SDG 1: No Poverty
SDG 2: Zero Hunger
Market Suggested Retail Price
$328.00
Target Users (Target Impact Group)
Household, Community, Small and Medium-sized Enterprises
Distributors / Implementing Organizations
This product is currently being distributed directly to clients by Sparky Social Enterprise Limited.
Competitive Landscape
Direct competitors include Kinosol Orenda Food Dehydrator, SunWorks Solar Food Dryer, and GoSol Sol4 Oven.
Manufacturing/Building Method
This product is manufactured to demand in Uganda.
Intellectural Property Type
Select Type
User Provision Model
Users can obtain the product from the Sparky website and Sparky Dryer Enterprise Limited Facebook page. Orders can be made via social media or during Sparky Dryer's farmer outreach and product marketing programs.
Distributions to Date Status
7 Sparky dryers have been sold as of August 2018.
Drying capacity (lbs/m³)
Unknown
Drying duration (hr)
2 – 5 hrs
Load capacity (m³)
Varies per unit
Operating temperature range (°C)
40-70 °C
Temperature control
No
Number of trays
5-8 trays
Materials of construction
Aluminum, Stainless Steel
Design Specifications
The Sparky Dryer is designed to the following specifications: first, the outer casing is made out of aluminum while the inner parts of the dehydrating chamber is made of stainless steel for efficient heat distribution. Next, the produce to be dried is placed on the stainless steel mesh. The biomass fuel is housed at the bottom of the dryer on a special container with a catalytic converter preventing harmful gases from being released during the drying process. Finally, the inner walls of the dryer are thickly insulated to prevent heat loss to the surroundings for maximum efficiency. The dryer comes with 1 stove, 8 trays for the big size dryer, and 5 trays for the small size dryer.
The solar energy stored in the battery can dehydrate food in 5 hrs, extending food shelf life from 2 days to more than 6 months. The complete set of the dryer comes one 12V 10w solar panel, 1 12V 7AH Battery, and a 7-meter connecting cable.
Technical Support
Provided by the manufacturer
Replacement Components
The aluminum and steel frames can be replaced using locally available materials.
Lifecycle
Unknown
Manufacturer Specified Performance Parameters
Manufacturer specified performance targets: include fast drying, fuel-efficient, and zero carbon emissions.
Vetted Performance Status
Unknown
Safety
Potential hazards related to the operation of this product include the handling of electrical equipment and accidental burning.
Complementary Technical Systems
Reliable access to sunlight is required to charge this product. The manufacturer sells two versions of the Sparky Dryer: 1) Sparky Dryer Large, and 2) Sparky Dryer Small.
Academic Research and References
None
Compliance with regulations
Unknown
Other Information
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