Air Quality Control Systems and Components - Hitachi Power ...

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Hitachi Power EuropeFrom Coal to ElectricityPower generation diagram in a typical coal power plant Before injection into the furnace, the raw coal is crushed to a fine dust in coal mills. Combustion of the pulverized fuel in the steam generator furnace produces flue gases withtemperatures up to 1,450°C. The heat released is used to generate steam under high pressureand temperatures. The steam is directed to a turbine where it impinges on the blade wheels and turns the turbine shaft.An attached generator generates the electricity.ContentsExperience and Competencein Environmental Engineering 4Flue Gas Desulphurization 6Nitrogen Oxygen Reduction(DeNO X ) 8Mercury Reduction 10SCR for Lignite and Dry Lignite 11CO 2 Capture 12Integration of the DownstreamFlue Gas Scrubber (PCC) 14Example:Retrofitting Power Plants 15 The nitrogen oxides in the flue gas react in the DeNOx facility by means of catalysts –nitrogen and water vapour arise, as a result. Ash particles adhere to electrically charged surfaces in the electrostatic precipitator.They are rapped and removed from the flue gas. In the flue gas desulphurization plant (FGD), lime slurry or limestone flour suspension binds thesulphur dioxide out of the flue gas. The end product is gypsum.2
Technology Leader with Excellent ReferencesWhether as a plant constructor or as a supplier of key components, Hitachi Power EuropeGmbH (HPE) is one of the technology and market leaders in fossil-fired power plants.The company – a subsidiary of Hitachi, Ltd. – has its head offices in Duisburg. HPE designsand builds not only power plants but also supplies all the key components such as utilitysteam generators, environmental engineering, turbines and pulverizers. In so doing, HPE canturn back to a track record going back over many years, an extensive list of references andto the outstanding know-how of its workforce. Within the Hitachi Group, HPE is responsiblefor the markets in Europe, Africa, Russia (incl. Belarus) and India. Hitachi Power Europe GmbH, Duisburg Babcock Fertigungszentrum GmbH, Oberhausen BGR Boilers Private Ltd., Chennai Donges SteelTec GmbH, Darmstadt1 2647 Hitachi Power Africa (Pty) Ltd., Johannesburg Hitachi Power Europe Service GmbH, Duisburg Meeraner Dampfkesselbau GmbH, Meerane35Air Quality Control Systems 3
Page 4 and 5: Experience and Competence in Enviro
Page 6 and 7: Flue Gas DesulphurizationWell withi
Page 8 and 9: Nitrogen Oxide Reduction (DeNO X )C
Page 10 and 11: Mercury ReductionAlways One Step Ah
Page 12 and 13: CO 2 CapturePost-combustion Capture
Page 14 and 15: Post Carbon Capture Plant Integrati
Page 16: © Hitachi Power Europe GmbH /06.20

Air Quality Control Systems and Components - Hitachi Power ...

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