The fine dust filter NGFL is offered in a compact and modular design. The filter is available for automatic feed, powerful biomass-firing systems. This fine dust filter works with microporous ceramic filter elements for highest separating performance of up to .99,99% efficiency. This means in practice often dust levels smaller 1 mg/Nm³ of flue gas achievable, so it is hardly traceable.
The operating function is simple: The hot gas is drawn from the outside to the inside through the filter elements, in this procedure dust particles are deposited on the outer surface of the ceramic elements. The automatic, time or difference pressure-controlled cleaning of the filter elements is made by compressed air. An automatic, de-ashing in function of the ash quantity is made by ash screws or pushing ram into mobile ash collecting containers beside according to the customer's desire.
Advantages:
- residual dust quantity smaller 2,5 mg/Nm³, typically smaller 1 mg/Nm³
- no cyclone pre-separator needed
- ceramic filter elements temperature-resistant up to > 1,000° C and restistant towards burning and flying sparks
- automatic time and difference pressure controlled cleaning of the filter elements by compressed air
- automatic ash removal depending on ash quantity
- 100% dust retention during boiler cleaning
- retrofittable
- compact, modular design
- fulfills the requirements of all currently valid funding programmes
- also for waste wood
- remote maintenance optional
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