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Sintering plant
It is the function of the sintering plant to process fine grain raw material into coarse grained iron ore sinter for charging the blast furnace.
To begin with, meticulously prepared mixtures are created consisting of fine ore, concentrates, extras and undersizes arising from screening lumpy burden components at the blast furnace. Ferriferous fine grain discharges from the production chain of the entire steel works are also put into the mixtures. By igniting suitable fuel, iron ore sinter is produced by down draft process. Normally, coke breeze from screening lump coke at the blast furnace is used as fuel. The daily production of iron ore sinter is approximately 8,000 tonnes.
Cross-sectional layout
| 01.) Rail bridges for ore trans 02.) Ore discharging hoppers 03.) Unloading station for extras 04.) Building for train thouring 05.) Preblending yards 06.) Yards for reserve material 07.) Ore blending yards 08.) Dosing hopper 1-8 09.) Silo No. 1 and No. 2 10.) Binds for blending material |
11.) Unloading station for coke breeze 12.) Coke breeze crushing plant 13.) Nut coke storage 14.) Rotary mixing drum 15.) Sintering strand 16.) Sinter cooler 17.) Loading installation for sinter to be shipped to BF 18.) Transformer station 19.) Electric precipetator process gas dust extraction 20.) Housing for suction blowers |
21.) Stock 22.) Movintenence workshop 23.) 30 kV-Station 24.) Room dust extraction 25.) Compressed air generation, heating generation 26.) Lavatories 27.) Plant office 28.) Coke gas line 29.) Oil and lubricants |
| Sintering strand | |
|---|---|
| Year of commissioning | 1963 |
| Capacity | 2,7 m t/year |
| Suction area | 180 m2 |
| Width of sintering strand | 3 m |
| Negative pressure | 120 mbar |
| Rotary mixing drum | |
| Year of commissioning | 1999 |
| Cooler of cellular type | |
| Year of commissioning | 1963/2010 |
| Cooling air ventilator | 2012 |
| Waste gas dust purification | |
| Electric precipetator Year of commissioning | 1973/2002 |
| Waste gas treatment | 2010 |
| Pipe filter | 2010 |
| Room dust extraction | |
| Pipe filter Year of commissioning | 2002 |
| Sinter cooler dust extraction | |
| Electric precipetator Year of commissioning | 2012 |
| Ignition hood | |
| Year of commissioning | 1998 |
| Type | Side burners |
| Ignition temperature | 1.200 °C |
| Ore blending yards | |
| Year of commissioning | 1976 |
| Number | 3 |
| Capacity | 3 * 200.000 t |
| Preblending yards | |
| Year of commissioning | 1940 |
| Number | 8 |
| Capacity | 8 * 4.000 t |