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Om biomassekedler
Biobrændstoffer udgør udfordringer for at opnå høj virkningsgrad og tilgængelighed. Biobrændsel har normalt en tendens til at skabe gas-side belægninger i alle dele af kedlen.
Om rengøring
Fordele ved vores sodrenselsystemer til biomassekedler
Reduceret dampforbrug for dampblæsning. Opsamlet sodblæserdamp bruges til at øge varme- eller elproduktionen.
Lavere brændstofforbrug. Renere rør betyder øget varmeoverførsel og effektivitet.
Lavere og mere stabilt differenstryk. Infralydrengøring når områder, der ikke er tilgængelige for konventionelle sodrengøringssystemer. Det betyder højere tilgængelighed af kedlen og mindre belastning på trækkraft- og blæserventilatorer.
Færre og kortere driftsstop for manuel rengøring. Med en forbedret rengøringseffekt kan du opnå højere tilgængelighed og færre anvendte arbejdstimer.
Øget levetid for varmevekslere. Ved at reducere eller eliminere dampblæsning eller skudrensning forlænges levetiden for varmevekslere. Infralydsrensning er en ikke-abrasiv rensningsmetode, der ikke slider på varmevekslerflader eller katalysatorelementer og ikke bidrager til korrosion eller erosion. Anvendelse af vores optimerede dampblæsning reducerer desuden sliddet, da der kun tilføres damp i halvdelen af tiden.
Referencer vedrørende biomassekedler
Versowood, Vierumäki Finland
Previously the boiler at versowood was stopped for manual cleaning every second month or six times per year due to that tube inlets were clogged by soot particles, leading to overstraining of the fan and increase of the flue gas outlet temperature from 150°C to 180°C.
Mölndal Energi Sweden
A case study and results from our HISS installation on a biomass boiler at Riskullaverket. Before HISS was installed, soot blowing was employed twice per day and each soot blowing cycle meant 1 MW decrease on turbine load for 2.5 h (duration of one soot blowing cycle).
Övik Energi, Bjästa Sweden
A case study and results from our infrasound cleaning installation on a biomass boiler at Övik Energi. From 2008-2013 the 3 MW boiler at Övik Energi was operated using 100 % pine oil pitch (tallbeckolja in Swedish). No automatic soot cleaning method was used and the boiler had to opened for manual cleaning of the smoke tubes once a month.
Kraftvärmeverket Block 6, Västerås Sweden
Boiler 6 at Kraftvärmeverket in Västerås is today the world’s largest WtE boiler. The fuel consists of sorted waste (RDF) imported from Great Britain. Content of glass and aluminium is relatively high. The boiler is base load at the plant and cheapest production line so priority is high.
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