1. KIM TRA BI C Cu hi : T Fe2O3; Fe3O4; FeO v CO iu kin cn thit
c , hy vit cc phng trnh ho hc to ra kim loi Fe. ( ghi r iu kin phn
ng, nu c) Fe2O3 + 3CO 2Fe + 3CO2 o t Fe3 O4 + 4CO 3Fe + 4CO2 FeO +
CO Fe + CO2 o t o t
2. Phan Th Vn _ k37.201.128 4
3. BI 33: HP KIM CA ST PHAN TH VN _ K37.201.128 5
4. HP KIM ST : GANG, THP HP KIM CA ST SN XUT GANG, THP GANG L G
? THP L G ? SN XUT GANG NH TH NO ? SN XUT THP NH TH NO ?
5. I - Gang 1 Khi nim 2 Phn loi 3 Sn xut II - Thp 1 Khi nim 2
Phn loi 3 Sn xut HP KIM CA ST Cacbon St Silic Mangan Photpho Lu
hunh 1-Khi nim: Gang l hp kim ca st vi cacbon trong c t 2 5% khi
lng cacbon ngoi ra cn mt lng nh cc nguyn t Si, Mn, S,
6. HP KIM CA STI - Gang 1 Khi nim 2 Phn loi 3 Sn xut II - Thp 1
Khi nim 2 Phn loi 3 Sn xut 2. Phn loi : Gang cha cacbon dng than
ch. C 2 loi gang Gang xm: Gang trng: Cha t cacbon hn v cacbon ch yu
dng xementit ( Fe3C)
7. I - Gang 1 Khi nim 2 Phn loi 3 Sn xut II - Thp 1 Khi nim 2
Phn loi 3 Sn xut 3. Sn xut: Hon thnh phiu hc tp M phng l cao HP KIM
CA ST
8. Phan Th Vn _ k37.201.128 HP KIM CA ST Phan Th Vn _
k37.201.128 Cacbon St Silic Mangan Photpho Lu hunh I - Gang 1 Khi
nim 2 Phn loi 3 Sn xut II - Thp 1 Khi nim 2 Phn loi 3 Sn xut 1-Khi
nim: Thp l hp kim ca st vi cacbon (chim di 2% v khi lng) cng vi 1 s
nguyn t khc (Si, Mn, Cr, Ni)
9. Cacbon St Silic Mangan Photpho Lu hunh Thnh phn ca thp
Cacbon St Silic Mangan Photpho Lu hunh Thnh phn ca gang (?) Cho bit
im ging v khc nhau gia gang v thp Ging nhau Khc nhau HP KIM CA
ST
10. I - Gang 1 Khi nim 2 Phn loi 3 Sn xut II - Thp 1 Khi nim 2
Phn loi 3 Sn xut 2-Phn loi : Thp thng Thp c bit Thp mm Thp cng Cha
khng qu 0,1% C. Cha trn 0,9% C. Cha thm mt s nguyn t c bit nh Mn,
Cr, Ni HP KIM CA ST
11. I - Gang 1 Khi nim 2 Phn loi 3 Sn xut II - Thp 1 Khi nim 2
Phn loi 3 Sn xut 3. Sn xut thp: b) Nguyn liu sn xut thp: a) Nguyn
liu sn xut thp: c) Phng php sn xut Phng php bet-xo-me Phng php
Mac-tanh Phng php l in Gim hm lng cc tp cht C, S, Si, Mn c trong
gang bng cch oxi ha cc tp cht thnh x v tch ra khi thp + Gang, st ph
liu, oxi HP KIM CA ST
12. 14 HP KIM CA ST
13. HP KIM CA ST
14. 16 1 2 3 || HP KIM CA ST
15. CU HI 1: Gang l g? P N: Gang l hp kim ca st vi cacbon trong
c t 2 5% khi lng cacbon ngoi ra cn mt lng nh cc nguyn t Si, Mn, S,
HP KIM CA ST
16. HP KIM CA ST CU HI 2: Thp l g? Cc phng php sn xut thp. P N:
Thp l hp kim ca st vi cacbon (chim di 2% khi lng) cng vi mt s nguyn
t khc (Si, Mn, Cr, Ni) Cc phng php sn xut thp: PP Bet-xo-me PP
Mac-tanh PP l in
17. HP KIM CA ST CU HI 3: Sn xut gang, thp c gy nhim Mi trng
khng? Ti sao?.
18. PHIU HC TP NHM: Hy quan theo di M PHNG miu t v qu trnh luyn
gang, hon thin cc ni dung sau: 1. Nguyn tc sn xut gang: 2. Qu trnh
sn xut gang gm .. giai on: 2.1. Nguyn liu: 2.2. Luyn gang trong l
cao: Cc phn ng ha hc xy ra *Phn ng to CO: . * Kh CO kh oxit st to
cao: . *St nng chy ha tan . v mt s nguyn t khc to thnh .. 2.3. Cho
gang ra l. ( X lng nh ni ln trn c tho ra ngoi qua.., lm ngui . ) HP
KIM CA ST
19. 2Fe2O3 + CO 2Fe3O4+ CO2 Fe3O4 + CO 3FeO + CO2 FeO + CO Fe
+CO2 CaCO3 CaO + CO2 CaO + SiO2 CaSiO3 C+ CO2 2CO C + O2 CO2 MING L
THN L BNG L NI L Thi khng kh lm giu oxi V sy nng ti 900oC CO CO CO
GANG X 200OC 400OC 500OC-600OC 700OC-800OC 1000OC 1300OC 1500OC
1800OC QUNG ST FexOy KH L CAO: CO, CO2, H2,
20. O2 X nng chy Thp nng chy S hot ng ca l bet-x- me ( L luyn
thp) 2Fe + O2 2FeOo t FeO + C Fe + CO 2FeO + Si 2Fe + SiO2 FeO + Mn
Fe + MnO o t o t o t HP KIM CA ST
