OLEFINS PRODUCTION - TVK

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Olefin process overview31Cracking furnacesRadiant section: thermal cracking reactions (800 – 850 °C)Convection section: heat recovery from hot flue gas– Feed preheating– Boiler feed water preheating– Process steam superheating– HHP steam superheatingLinear quench exchanger– Freezing cracking reactions in order to avoid productlosses by secondary reactions (400 - 600 °C)– Heat recovery -> > HHP steam productionOlefin-1 1 and Olefin-2 2 represent two generations– O-1: 11 furnaces– O-2: 4 furnaces32
Cracking furnace in Olefin-2Quench exchangersConvection sectionRadiant coilsSide-wall burnersFloor burners33Tube arrangement in the radiant zone(Olefin-2)34
Page 1 and 2: OLEFINS PRODUCTIONOlefins by steam
Page 3 and 4: Building block for petrochemicals -
Page 5 and 6: Hungary: ethylene produced by TVK o
Page 7 and 8: Ethylene at TVK1975: First steam cr
Page 9: Principle of the cracking process17
Page 12 and 13: Wide range of feedstocksGaseous fee
Page 14 and 15: Considerations for feedstocksParaff
Page 18 and 19: Hot section in O-2OFurther cracked
Page 20 and 21: Cold section block diagram39Cold se
Page 22 and 23: About safetySafety first concept ha
Page 24 and 25: Example for risk reduction: selecti
Page 26 and 27: Control systems in O-2O51Key equipm
Page 28 and 29: Crack gas compressor O-2 O 2 plant2
Page 30 and 31: Turbine driven BFW pump59Multistage
Page 32: Ethylene production costBasis: WE 2

OLEFINS PRODUCTION - TVK

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