Apr 29, 2014 — A number of coke oven batteries, which can be operated with. ➢ One set of service machines. ➢ One coal tower. ➢ One quenching system
Missing: Beehive | Must include: Beehive
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High – Capacity Coke Oven Batteries 29 April 2014 Eurocoke Summit 2014 Edinburgh 2 High – Capacity Coke Oven Batteries Definition High – C apacity C oke O vens = Coke oven batteries for production of 1.5 to 2.5 million t/a with one operating unit Operating Unit = A number of coke oven batteries , which can be operated with One set of service machines One coal tower One quenching system
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High – Capacity Coke Oven Batteries 29 April 2014 Eurocoke Summit 2014 Edinburgh 5 High – Capacity Coke Oven Batteries Comparison for 2 Million Tons of Coke Per Year Advantages of large ovens : Reduced number of b atteries / ovens Reduced number of pushes / charges less emissions Reduced length of sealings less emissions Reduced plant space requirement Reduced number of oven machines ( and coal towers , quench systems , coke wharves ) Reduced number of manpower
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High – Capacity Coke Oven Batteries 29 April 2014 Eurocoke Summit 2014 Edinburgh 6 Reduced M anpower R equirement : ( Example from Germany) Old coking plant 2.5 mill. t/a ( oven heights : 4 – 6m, narrow chambers ) – Specific manpower : 336 persons / mill. ton New coking plant 2.7 mill. t/a ( oven height : 8.4m, width : 590 mm) – Specific manpower : 106 persons / mill. Ton High – Capacity Coke Oven Batteries Comparison of Manpower – Influence on OPEX Reduced M aintenance C ost due to decreased numer of batteries / ovens
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High – Capacity Coke Oven Batteries 29 April 2014 Eurocoke Summit 2014 Edinburgh 8 ( more shrinkage = less pushing force ) 0 1 2 3 4 5 6 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 coking time in h coal shrinkage in % 0 200 400 600 800 1000 1200 coke temperature in ° C 450 mm chamber width 590 mm chamber width coking time 450 mm chamber width coking time 590 mm chamber width 590mm 450mm High – Capacity Coke Oven Batteries Comparison of Coal Shrinkage
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High – Capacity Coke Oven Batteries 29 April 2014 Eurocoke Summit 2014 Edinburgh 9 High – Capacity Coke Oven Batteries Coke Oven Batteries – Design Criteria Oven Length Most economical dimension for increase of capacity Long ovens only in connection with wide chamber (higher shrinkage) Adjustment of heating media over the oven length complex for long ovens Oven Height Most expensive dimension for increase of capacity Large oven heights increase requirement for precise operation due to increased absolute shrinkage and tendency of carbon deposits Adjustment of vertical temperature distribution complex for high ovens Oven Width Almost no effect on plant capacity Wider ovens increase coking time; reduce number of pushes Less pushes cause less emissions Increased coking time causes increase coal shrinkage
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High – Capacity Coke Oven Batteries 29 April 2014 Eurocoke Summit 2014 Edinburgh 10 Start – up Client, Plant, Location Oven Type Nominal Capacity [Mill. t/a] No. of Batt. / Ovens per Battery Dimensions Height / Length / Width [m] Effective Volume [m³] Remark 1984 & 2014 HKM, Hüttenwerke Krupp Mannesmann Duisburg, Germany COMBIFLAME compound underjet 2.250 2 / 70 7.85 / 17.2 / 0.550 70.00 first battery 30 years old 2013 Hyundai Steel Comp. (HSC), Phase 3 Dangjin , Chungnam , South Korea COMBIFLAME compound underjet 1.800 2 / 70 7.63 / 18.0 / 0.590 76.25 2010 POSCO, Gwangyang Works, Phase 5, Gwangyang , South Korea COMBIFLAME compound underjet 2.800 4 / 50 7.63 / 18.0 / 0.590 76.25 2 operating units 2010 Zhangjiagang Hongfa Steelmaking Co., Ltd. (SHAGANG) Zhangjiagang , China COMBIFLAME compound underjet 2.000 2 / 70 7.63 / 18.0 / 0.590 76.25 2009 Hyundai Steel Comp. (HSC), Phases 1 + 2 Dangjin , Chungnam , South Korea COMBIFLAME compound underjet 3.300 4 / 60 7.63 / 18.0 / 0.590 76.25 2 operating units 2009 Shougang Jingtang United, Iron & Steel Company Caofeidian , Hebei , China COMBIFLAME compound underjet 4.200 4 / 70 7.63 / 18.0 / 0.590 76.25 2 operating units 2008 Wuhan Iron & Steel Corp. (WUGANG) Wuhan, Hubei , China COMBIFLAME compound underjet 2.000 2 / 70 7.63 / 18.0 / 0.590 76.25 2006 Maanshan Iron & Steel Co. (MAGANG) Maanshan , Anhui , China COMBIFLAME compound underjet 2.000 2 / 70 7.63 / 18.0 / 0.590 76.25 2006 & 2013 Taiyuan Iron & Steel Co. (TISCO) Taiyuan, Shanxi , China COMBIFLAME compound underjet 3.300 3 / 70 7.63 / 18.0 / 0.590 76.25 2 operating units 2003 Carbonaria / TK Schwelgern Duisburg, Germany TWINFLUE compound gun flue 2.640 2 / 70 8.43 / 20.8 / 0.590 93.00 yes High – Capacity Coke Oven Batteries Coke Oven Plants with Start – up in recent 10 Years
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High – Capacity Coke Oven Batteries 29 April 2014 Eurocoke Summit 2014 Edinburgh 11 High – Capacity Coke Oven Batteries Coke Oven Batteries – Potential Coke Production Capacities Battery no . Oven no. Oven dimensions Volume Coking time average heating flue temperature Pushes per day NOx – Limit at 5% – O 2 Total Coke Production *) [ – ] [ – ] [m] [m 3 ] [h] [ C] [ – ] [mg/Nm³] [Mill. t/a] 2 100 7.63 / 18.0 / 0.590 76.25 ~27.0 ~1,275 89 < 350 1.400 2 120 ~27.0 107 1.680 2 140 ~27.0 124 1.960 For NOx value of < 500 mg/Nm 3 with COG heating Battery no . Oven no . Oven dimensions Volume Coking time average heating flue temperature Pushes per day NOx - Limit at 5% - O 2 Total Coke Production *) [ - ] [ - ] [m] [m 3 ] [h] [ C] [ - ] mg/Nm 3 [Mill. t/a] 2 100 7.63 / 18.0 / 0.590 76.25 ~26.0 ~1,300 92 < 500 1.450 2 100 7.63 / 20.0 / 0.590 84.72 ~26.0 92 1.600 2 120 7.63 / 18.0 / 0.590 76.25 ~26.0 111 1.750 2 120 7.63 / 20.0 / 0.590 84.72 ~26.0 111 1.900 2 140 7.63 / 18.0 / 0.590 76.25 ~26.0 130 2.050 2 140 7.63 / 20.0 / 0.590 84.72 ~26.0 130 2.250 For reference plants in Korea *) depending on coal data and number of operation days per year *) depending on coal data and number of operation days per year
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