The Semi-automated downdraft rice hull furnace (dRHF) provides hot air to flatbed dryers for drying grains, seeds, and other crops. It was developed to cope with the high cost of fossil fuels that are used in most flatbed dryer furnaces.
Watch the dRHF demonstration video for more information.
For the list of dRHF users and manufacturers, please see the table below. Take note that IRRI does not endorse manufacturers.