排列三077历史统计

Valmet CFB Boiler

Valmet CFB Boiler utilizes circulating fluidized bed technology

valmet cfb boiler (formerly cymic) is an advanced circulating fluidized bed (cfb) boiler developed by valmet. it combines high-efficiency combustion of various solid fuels with low emissions, even when burning fuels with completely different calorific values at the same time. the wide size range covers boilers from 30 to 1200 mwth.

High fuel flexibility

the main advantage of the valmet cfb boiler is its superb fuel flexibility. most of the over 90 references around the world are multifuel boilers that combust biomasses and fossil fuels in continuously varying proportions. co-combustion is an environmentally benign method of combining excellent reliability and availability with great potential to optimize operational costs by allowing several fuel alternatives.

排列三077历史统计valmet cfb boiler offers ideal combustion technology for:

  • Biomasses, including fuels derived from agricultural waste streams
  • Recovered fuels
  • Various type of coals
  • Solid petrochemical residues, eg. pet coke, asphaltene, solidified pitch
  • Any combination of the above-mentioned fuels

Efficient combustion, low emissions and high steam parameters

With CFB technology, the circulating bed material flows together with flue gas through the furnace, after which it is separated from the gas and returned back to the lower part of the furnace with cyclones. This technology provides an even combustion temperature profile, which is optimal for handling a wide variety of fuel properties, such as heating value, moisture, ash content and a number of low melting point ash components. This also ensures low primary emissions with high combustion efficiency and excellent utilization of additives for sulfur removal and other special purposes.

排列三077历史统计the key element in the cfb boiler is the cyclone. it uses high-efficiency cylindrical cyclones constructed of membrane walls covered by a light refractory for erosion protection. no hot expansion joints between the furnace and the cyclone are needed.

high steam parameters are possible without severe corrosion, even with recovered fuels, thanks to fluidized bed heat exchangers located in the loop seal.

排列三077历史统计for recycled fuel combustion, the valmet cfb boiler is equipped with a special grid design for effective debris removal and a back pass, including an empty pass and easily replaceable superheaters.

Customer success stories

Focus on fuel flexibility

Focus on fuel flexibility

排列三077历史统计the new multifuel boiler plant at turun seudun energiantuotanto (tse) is an excellent example of the best features of cfb technology, such as the possibility to use whatever fuel is currently available at the lowest cost.

Sappi Kirkniemi taps into a new fuel opportunity

Sappi Kirkniemi taps into a new fuel opportunity

排列三077历史统计a side stream from oil refineries - asphaltene - is now a cost-effective fuel at the power plant at the sappi kirkniemi mill in finland. the high fuel flexibility of valmet cfb boiler plays a key role in this outstanding example of a circular economy.

Biomass to energy boom in Japan

Biomass to energy boom in Japan

with four multifuel boiler plant deliveries underway in cooperation with its local partner, jfe engineering, valmet is strongly involved in turning japan’s energy production capacity greener.

Smart energy solutions boost TSE power plant’s performance

Smart energy solutions boost TSE power plant’s performance

valmet’s automation systems and industrial internet solutions enable the turun seudun energiantuotanto's power plant to run at a totally new level of efficiency in its performance and operations.

Topping-out ceremony at HOFOR’s power plant

Topping-out ceremony at HOFOR’s power plant

an important milestone was achieved at hofor’s amagerværket power plant construction site in copenhagen, denmark, when the topping-out ceremony was organized.

Burner systems

valmet has a wide selection of burner products for different purposes and a long tradition of high-quality boiler burners and special combustion systems for power plants, pulp mills and waste-to-energy plants.

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