Engineering Metallurgy

1. ENGINEERING METALLURGY
Industrial engineering (Ptwit)
2064317
www.sunetr.iepathumwan.com

4. 1
Introduction to Engineering Metallurgy
2064317
Engineering Metallurgy
Lecturer: M_Sunetr

5. What’s cause this ship to fracture ?
1.
2.
3.

6. Introduction to Engineering Metallurgy

7. -
-
- (Tin)
- (Lead)
- (Copper)
- (Aluminium)
- (Magnesium)

8. 1.
- (Float)
- (Magnetic separation)
(Agglomeration)
1

9. , ,
- Magnetite (Fe3O4) 70%
- Hematite (Fe3O3) 70%
- Siderite (FeCO3) 60%
- Pyrite (FeS2) 45%
- Limonite (HFeO2) 35%
Magnetite Hematite Pyrite Siderite Limonite

10. 2. (%)
- Blast furnace”
-
- flux CaO CaCO3

12. •3.5%
•2%,
•1.5%,
•1%
•1%

13. 3. (Pig iron) 1600°C
- Oxidation” 90%Fe
- Cupola”

14. :Furnace
1. The basic open-hearth furnace
•

15. 2. The Basic oxygen furnace
 oxygen


16. 3. The electric arc furnace
• Radiation”
•
•

19. 1. (Tin)
- Cassiterite, SnO3
- SnO3 SnO3 1200°C
-
-
(affinity )
99%
Cassiterite

20. 2. (Lead)
- Galena, (PbS) , , ,
- (Pb PbS) FeS2
- blast furnace 900°C
- 400°C

21. 3. (Copper)
- copper sulphide, Cu2S FeS2
- (Roasting), oxidation flux
- Cu2O Tough-pitch copper”
- 5

23. 4. (Aluminium)
- Bauxite (Hydrated aluminiumoxide, Al2O3) , ,
- Bayer process” Pure aluminiumoxide 99.4%
-
Hall Process” 6 99.5-99.9percent aluminium

24. 5. (Magnesium)
- magnesite(MgCO3), dolomite (MgCO3), brucite(MgO.H2O),
carnallite(MgCl2.KCl.6H2O)
- Dow chemical electrolytic process 99.9%
- Elektronprocess magnesite(MgCO3) dolomite (MgCO3) magnesia
anhydrous magnesium chloride

25. Summary
- ,
-
- Flux
-
- The open-hearth furnace
- The basic oxygen furnace
- The electric arc furnace