DryMac is a drier that can dehydrate products to specific moisture contents.
DryMac is a mobile container drying system that can remove moisture from a variety of agricultural products to achieve specific moisture content. It uses less electricity compared to conventional electric driers. It can also use solar power as a source of energy. DryMac has a refrigeration component that allows for the storage of the products during transportation.
AfricaInterview with representative
Currently, the product is distributed by Rocket Works.
~29,060 USD (R540,000)converted in May 2020
Goal 2: Zero Hunger
Rural communities without electricityInterview with representative
DryMac is built using old shipping containers.
Patented (provisional)Interview with representative
DryMac is distributed by Rocket Works.
By 2020, 4 units have been distributed.Interview with representative
The amount of produce that can be dried
Time to dry product, measured in hours
Hold volume, measured in cubic meter
Temperature range for drying the produce, measured in degrees Celsius
Is there a mechanism to control temperature?
The number of trays in the system
The materials used in construction
DyMac is a drier from containers with dimensions: 12000 mm x 2400 mm x 2900 mm, designed to work in all weather conditions. It is a mobile drying system that can be used anywhere, provided it is supplied with electric or solar power. It is available in 3 formats: drier, storage unit, and drier-storage combo unit. DryMac can be stacked, allowing for use in places with limited physical spaces. Also, it can be configured to suit the available physical space and the bins can be modified into bulk bins, roll-in bins, bulk bags/crates or trolleys and trays to suit a user’s needs. Primarily designed for drying macadamia wet nut in shell, it can be designed to dry other agricultural products including tobacco and some fruits. The drying system can operate by itself to dry products to a previously set moisture content. It can be managed remotely through a computer or a mobile phone app.
Provided by the manufacturer.
Designer specified performance targets include: higher efficiency and low drying cost.
DryMac has a gasifier burner that gets hot, hence, there is the chance of having skin burns while operating the product if it is not handled correctly.
Electric power is needed for the drier to work. The manufacturer provides solar panels as an optional extra accessory to power the drier.
Liu, H., Yousaf, K., Chen, K., Fan, R., Liu, J., and Soomro, S. A., 2018, Design and thermal analysis of an air source heat pump dryer for food drying. Sustainability, 10(9), pp 3216.
Motevali, A., Minaei, S., Banakar, A., Ghobadian, B., and Khoshtaghaza, M. H., 2014, Comparison of energy parameters in various dryers. Energy Conversion and Management, 87, pp 711-725.
The manufacturer uses thermal efficiency to evaluate the product.
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