Axetylen Thay Thien

7/30/2019 Axetylen Thay Thien

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CNG NGH CH BIN KHCNG NGH XAN SUT AXETYLEN TKHI T

NHIN

Ging vin hngdn : Th.S NGUYN THANH THIN

Nhm sinh vin : 1.Khng Vn Lim

2.Mai Vn Nam

3.Phm TrungNgha

4.NguynVnQuyt

5.TrngPhc Sang

6.Trn Minh Thin


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LOGOTNG QUT TNH CHT VT L

11/14/2012 2

Trong iukin thng axetylen l cht kh khng mu,

khng

c,dng tinh khit c mi ete yu, c tc dng gy m, t tantrong nc,nhhn khng kh, nguyn cht c vhingt v cctrngbi cc yutsau :d = 1,17 kg/m3,M=26,08 kg/kmol, Cp

=0,402 kJ/kg, tnt=-83,80C, tth =-35,50C, Pth=6,04 Mpa, nhit thnghoa 21,59 kJ/mol, nhit ha hi 15,21 kJ/mol, ttrng 0,686 kg/m3 .

Tnh cht quan trng khc ca axetylen l khnng ha tan can ln hnnhiu so vinhng hydro cacbon khc.


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11/14/20123

TNH CHT HO HC Phnngcnghp vi hidro, nc, ru, halogen, axit.

Phn ng th vi kim loi kim, Cu, Ag, Ni, Hg, Co, Zn,

to thnhaxetylenit kim loirtdn.

Phnng trng hp. Phnng oxi ho.

axetylen


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LOGONG DNG

11/14/2012 4


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LOGOC S HA L CA QU TRNH PHN HY

HYDROCACBON SN XUT AXETYLEN

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2CH4 C2H2 + 3H2

2CH4 C2H4 + 2H2

C2H6 C2H4 + H2

C2H6 C2H2 + 2H2

C3H8 C2H4 + CH4

C3H8 C3H6 + H2

C3H8 1,5CH2 + 2,5H2

C4H10 C2H4 + C2H6

C4H10 C4H8 + H2

C4H10 2C2H2 + 3H2

C2H4 C2H2 + H2

C3H6 1,5C2H2 + 1,5H2


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ng cong cn bngcaphnngnhit phn metan phthuc

vonhit


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11/14/2012 7

Hiu sut axetylen trong qu trnh nhit phn hydrocacbon c xcnhbngnghctin hnh phnng: tcto thnh axetylen cnphicao hntcphnng phn hy n thnh cc chtngin.

V thtchiusut cao visnphm chnh l axetylen cnphihnchcc phnng khng mong munbng cch lm lnh nhanhsnphmphnng (qu trnh ti).


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LOGOLACHN NGUYN LIUSNXUT AXETYLEN

Nguyn liu sn xut axetylen c th s dng cc hydrocacbon dng kh (khtnhin v khng hnh), dung dchlnghochnhphidrocacbon nhkeroxen.

2CH4 C2H2 + 3H2; H298 = +89,97 kcal/mol.

C2H6 C2H2 + 2H2; H298 = +71,4 kcal/mol.

2C3H8 3C2H2 + 5H2; H298 = +70,9 kcal/mol.

C4H10 2C2H2 + 3H2; H298 = +69,3 kcal/mol.


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LOGOCC CNG NGHSNXUT AXETYLEN

sn xut axetylen ngi ta dng phn ng nhit phn hyrocacbon

nhit cao. Ty theo cch cp nhit thc hin phn ng nhit phn

hyrocacbonthnh axetylen mngi ta chia thnh nhm cc phngphpsau:

Qutrnh nhit in.

Qutrnh oxy ha khng hon ton.


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LOGOQU TRNH NHITIN

Bn cht ca qutrnh lsphng in trong mi trng hyrocacbonkhi, sexy ra st nng cc bhnhp khi vact mch cc phn tca nthnh cc gc tdo, ti hp cc gc tdo ny dn ti hnh thnhaxetylen va cc ng ng ca n, mui cacbon, hyro va cchyrocacbon cao hn.

iukinphnng:

Cng sut 8200 kW. in p to h quang l 7000 V.

Cng dng in l 1150A. Nhit trung bnh ca dng khl 16000C.


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L h quang inca Huls


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LOGOQU TRNH OXY HA KHNG HON TON

L phnng oxy hakhng hon ton ca

BASF

6000C

1500 8000C


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1

1

2 4

5

6

S cng nghsnxut axetylen vi qu trnh ti bngnc1. Thit b gia nhit. 4. Thit b lc in.

2. Thit b phn ng. 5. Thit b thu hi mui.

3. Thp lm lnh. 6. Thit b lm lnh.

600-7000C


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S cng nghsnxut axetylen vi qu trnh ti bngdu1. Thit bun nng. 5. Thit b cc ha.

2. Thit b phn ng. 6. Lng gn.

3. Thp trao i nhit. 7. Thit b lm lnh cui.


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LOGOPHNG PHP TCH AXETYLEN

10 at

Axetylen 98,4%

110-1200C


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THANKS FOR YOUR ATTENTION !!!

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Axetylen Thay Thien