The document discusses the sintering process and equipment used in steel manufacturing, detailing various methods such as the Dwight-Lloyd continuous sintering method and the components of sintering plants. It provides insights into the mechanical and operational aspects of sintering machines, including their design, capacity, and cooling processes. Additionally, it highlights the significance of material composition and production percentages in the overall steelmaking process.

1. SINTERING
Process & Equipments
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By: A. Sadeghianpour

2. MANUFACTURING PROCESS FOR IRON AND STEEL
 SINTERING
 BLAST FURNACE
 BASIC OXYGEN FURNACE(B O F)
 PELLETIZING
 DIRET REDUCTION (D R)
 ELECRIC ARC FURNACE (E A F)
DIAGRAM
AISI How Steel is Made Steelmaking Flowline.mht
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4. PROCESSES PERCENTAGE IN STEEL MAKING
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5. SINTERING
)SIZE >=5 mm(
:
IRON ORE FINE(
)COKE(
)LIMESTON(
)DOLOMIT(
.
Sintering Method Dwight –Lloyd (continouse)
Greenwalt
Iron ore Basic
Coke Fuel
Limeston Alkali+Strenght
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6. IRON ORE
Hematite (Fe2O3).Magnetite (Fe3O4)Limonite (FeO(OH).n(H2O)) Goethite (FeO(OH))
World Bigest producer
Austrailia
Brazil
India
China
Russia
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7. SINTERING PLANT
1.Coke screen
2.Coke Grinding
3.Limeston crushing
4.Limestone screen
5.Stock bin
6.Primiry mixing drum
7. Secondary mixing drum
8.SINTER MACHINE
9.IGNITION FURNACE
10.SINGLE ROLL CRUSHER.
11.EXHAUST GAS DEDUSTING
12.SINTER COOLER
13.COLD SCREEN
14.HL & RF SCREEN
15.Others (esp, b.c, crane,….)
SINTERIGGENERAL LAYOUT
GENERAL LAYOUT.dwg
SINTERING FLOW DIAGRAM
SP0000EM103001 4.dwg
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8. SINTER MACHINE NO.4 SINTER MACHINE
SINTER AREA : 204 m2
3 m x 68 m
Bed height : 0.5 m
SPEED : 1~ 6 m/min
161 pallet , 17 wind box
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9. SINTER MACHINE
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2.4 M t/y 7300 t/d 304 t/d
For every 1% decrease 0.5% of contract price
Rejection: 6750 t/d
Sinter size;-05 mm 10%
For every 1% increase 0.5% of contract price
Rejection >15%

10.  Assembly of sprocket & curved rail for lifting station

11. SINTERING PROCESS
SIMULATION RESULTS OF THE TEMPRATURE DISTRIBUTION IN THE BED
SINTERING
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12. MELTING ZONE
MELT FRACTION DISTRIBUTION IN THE BED (COKE 3.8%)
MELT FRACTION DISTRIBUTION IN THE BED (COKE 4.2%)
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13. IGNITION FURNACE
NUMBER OF BURNERS: 6 MAIN+2 SIDE
C.V. OF COG: 4000~4100 kcal/Nm3
C.V. OF NATURAL GAS: 9593 kcal/Nm3
LENGTH OF HOOD: 2.5 m
WIDTH OF HOOD: 3.010 m
DESIGN TEMP. FOR REFRAC. : 1450 C
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14. IGNITION FURNACE

15. SINGLE ROLL CRUSHER
CRUSHING BLADE 12
DIAMETER 1.6m
LENGTH : 3.24 m
CRUSHED SIZE 150mm or less
REVELUTION 6 rpm
DRIVE 75 KW

16. SINTER COOLER
DESIGN CAPACITY: 450t/h
INLET TEMPRATURE: 900
C
OUTLET TEMPRATURE: 100 C
DIAMETER :15.7 m x HEIGHT :4.5 m
COOLING TIME: 80 min
DRIVE : 4 x 15 KW
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For every 1% , 0.2% of price of sinter cooler

17. Sinter cooler
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18. EXHAUST GAS DEDUSTING (PLANT GAS DEDUSTING)
FAN CAPACITY: 20000
m3/min
OPERATING TEMP. : 150 C
HOR. ELEC. FILTER: 4 SET
COLLECTING SURFACE: 29.8m2
PLANT GAS DEDUSTING NO.1,2
HOR. ELEC. FILTER: 2 SET
FLOW RATE 13500 m3/min
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19. END OF STRAND+ROLL CRUSHER+SINTER
COOLER

20. SINTERING COMPLEX
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21. SINTER NO.4 (UNDER CONSTRUCTION)

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23. PROCESS IMPROVEMENT
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24. EOS HOOD
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25. ENERGY SAVING

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