สรุปปริมาณการใช้วัตถุดิบสำหรับการผลิตเหล็กขั้นต้น 1 ตัน | ||||||||||||||
Material | Unit | Blast Furnace | Direct Smelting | Direct Reduction | ||||||||||
Conventional | Compact | Mini | Corex C-3000 | HIsmelt | Finmet | Midrex | HyL | SL/RN | Fastmet | Inmetco | Iron Dynamic | |||
Ore | ||||||||||||||
Pellets | ton | - | 1.065 | - | 1.48 | - | - | 1.05 | 1.04 | - | - | |||
Lump | ton | 491 | 430 | 1.56 | - | - | - | 0.45 | 0.44 | 1.39 | - | |||
Sinter | ton | 1.3 | - | - | - | - | - | - | - | - | - | |||
Fine | ton | - | - | - | - | 1.48 | 1.5 | - | - | - | 1.35 | 1.22 | 1.33 | |
Coal | ||||||||||||||
Coal | kg | 175 | 170 | 150 | 980 | 850 | - | - | - | 340 | 380 | 475 | 412 | |
Coke | kg | 335 | 380 | 400 | - | - | - | - | - | - | - | - | - | |
Electricity | Kwh | 127.5 | 100 | 120 | 75 | - | 165 | 125 | 125 | - | 150 | 60 | 90 | |
NG | MBTU | n.a. | 4 | 2.84 | - | 2.76 | 13.3 | 33.2 | 33.2 | 8.36 | 2.97 | 2.78 | 2.41 | |
Oil | kg | n.a. | 120 | n.a. | - | - | - | - | - | - | - | - | - | |
Industrail water | m3 | No. | 1.2 | 1.5 | 1.5 | n.a. | 2 | 1.5 | 1.7 | 2 | 1 | 1 | 1 | |
Industrial Gas | ||||||||||||||
Oxygen | m3 | 62 | 32 | n.a. | 540 | 217 | - | - | - | - | - | - | - | |
Nitroge | m3 | n.a. | 15 | 3 | 80 | n.a. | - | - | - | - | n.a. | n.a. | n.a. | |
Additive | Kg | n.a. | 183 | 250 | 242 | 0.11 | - | - | - | - | 40 | 20 | 24 | |
Nominal Capacity | Mton/ | |||||||||||||
Year | 3 | 0.8-1. | 0.25-0.6 | 1.1 | 0.5-1.5 | 0.4 | 0.5-1.5 | 0.5-1.5 | 0.2-0.4 | 0.2-0.6 | 0.2-0.6 | 0.2-0.6 |