Nirafon Cleaning Sound Device (NCSD®) is an innovation typically used for the acoustic cleaning of the high temperature areas of boiler plants. The method enables the acoustic cleaning of both the combustion chamber and the super heater area without stopping the process.
NCSD® is the only solution on the market to keep the heat transfer surfaces clean at spots where ashes are in both molten and solid forms. That is why NCSD® is also an excellent cleaning solution for applications where ashes melt at lower temperatures than normally, as in waste incineration and with biomass-based fuels. What is more, our customers are able to increase the ratio of biomass in their fuel mix, thanks to the superior cleaning results of NCSD®. The cleaning sound of the NSCD® is produced by burning a small amount of gas inside the combustion chamber of the device and by guiding the resulting sound pressure shock through a horn into the space to be cleaned.
The cleaning range of the NCSD® reaches out even 10 meters from the source in a temperature if + 1500 °C. During the cleaning pulse, the NCSD® reaches an acoustic pressure level of over 170 dB.
The effectiveness of this sounding is many times more than that of the traditional models. NCSD® produces 1 to 15 cleaning pulses per second. One cleaning pulse consumes about 0.4g of gas.
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