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			print     Our steam boilers guarantee outstanding performance, economy and reliabilty. The waste heat steam boiler is placed downstream the fluidized bed incinerator. The fly ash loaden, hot flue gas (850 – 900 °C) resulting from the incineration process comes into the boiler. The boiler utilizates the heat of the flue gas for steam production: the flue gas is cooled down by the boiler heating surfaces and steam is generated by this process. Additionally a part of the fly ash is precipitated. The RASCHKA - steam boiler has a very special design. The boiler has been developed for being placed downstream a fluidized bed incinerator thus meeting the specific requirements resulting from the dustloaden flue gas coming from the fluidized bed incinerator. The characteristics of the RASCHKA - steam boiler are production of saturated steam and superheated steam steam pressure up to 80 bar, steam temperature up to 400 °C subdivision of the boiler into preboiler and mainboiler preboiler eqipped with radiation heating surfaces, thus not susceptible to ash caking; intense cooling down of the flue gas in order to avoid ash caking in the main boiler main boiler equipped with convective heating surfaces, designed as hanging pipe bundles, especially developed for extremely ash- and dust loaden flue gas self cleaning of the convective heating surfaces by flue gas stream induced oscillation of the pipe bundles, additionally mechanical rapping device