Last updateTue, 13 Apr 2021 12pm

Solar ice-making machine for Indonesian small-scale fishermen

High-tech solution from Southern Germany for a German-Indonesian project for rural development and to avoid food waste.

Indonesia's small-scale fishermen in disadvantaged regions will in future be able to sell their products nationwide with the help of seamless refrigeration chains. This is being made possible by a solar-powered machine for the production of ice blocks. This innovative type of unit was developed as part of a multi-year German-Indonesian cooperation arrangement.

Indonesia is partner-country of HANNOVER MESSE 2021. Indonesia is the second largest fish producer overall. However, small-scale fishermen who practice environmentally sound fishing methods are often unable to transport their fish to consumers due to a lack of refrigeration facilities. Indonesia's policy aims to conserve fish stocks and secure the income of fishermen in remote areas. The key factor in achieving this is to keep the catch continuously refrigerated. The GIZ initiated and provided support for the development of a solar powered ice-making machine. Together with a number of Indonesian, German and other European companies, the production of these machines was also established in Indonesia. Development began in 2016 and the pilot plant started up successfully in 2018 – the first commercial unit will go into operation in Indonesia in 2021.

In accordance with the guiding principle of Industry 4.0, the innovative technology ensures the production of up to 1.2 tons of block ice per day, dynamically and automatically adapted to the amount of solar energy available. This does not require either a power connection or an expensive, large battery storage system, allowing ice blocks to be produced in locations away from power grids and used for cooling locally caught fish.

Steffen Sinn, Area Sales Manager Asia, at the German fan producer Ziehl-Abegg, explains: „The highly efficient fan is using the low solar power to produce enough cooling energy which is used to freeze down the water.“ The secret behind the high efficiency of the fan is the blade design inspired by nature. Ziehl-Abegg is technology leader by biomimicry in the fan industry. “The edge of the blade is serrated similarly to the owl wings”, Sinn adds. “This fan design saves energy.”



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