design co treatment by nitro liquid

8/3/2019 design CO treatment by nitro liquid

1/30

n mn hc GV hng dn: Mc Duy Hng

Nhm 16 Lp k43ktm01 I HC K THUT CNG NGHIP 1

NHM 16_LP K43KTM01

Ch n cn nhiu sai xt

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2/30



Phn I. TNG QUAN

I. M u.

- Trong cng nghip ho cht c rt nhiu nguyn liu dng kh c dng,

cng nh nhiu sn phm thu c dng kh. Mun tip tc gia cng ch bin

cc hn hp kh, ta phi tch chng thnh tng cu t. V d nh sau khi ho than

ta thu c hn hp kh gm N2, H2, H2S, CO, CO2mun s dng hn hp kh

ny vo mc ch tng hp NH3 sn xut ure, ta phi tch ring tng cu t.

- Hp th l qu trnh ht kh bng cht lng. kh c ht gi l cht b hp

th, cht lng ht gi l dung mi (hay cht hp th), kh khng b hp th gi l

kh tr. Qu trnh hp th c dng :

+ Thu hi cc cu t qu .

+ Lm sch kh.

+ Tch hn hp kh thnh cc cu t ring bit.

- Qu trnh th nht v th ba, bt buc ta phi tin hnh nh sau khi hp th

tch cu t hp th c ra khi dung mi. i vi cc trng hp khc, qu

trnh nh l khng cn thit, tr khi phi dng li dung mi(dung mi qu).



3/30



II. Tnh cht ho l v tc hi ca kh cn x l.

II.1 Tnh cht ho l ca cacbon monooxit.

- Cng thc phn t :CO.

- Phn t lng :44.

- Cng thc cu to :C=O

- Nhit si :-191.5oC.

- Gii hn chy trong khng kh :12 75% th tch

- Trng lng ring:1.25g/l 00C, 1 atm. :1.145g/l 250C, 1 atm.

- T trng so vi khng kh l :0.967

- L cht kh khng mu, khng mi, khng v, nh hn khng kh.

- D chy trong khng kh vi ngn la mu xanh sng.

- Ho tan trong nc :

00c ,1atm..3.54ml/100ml.250c ,1atm2.14ml/100ml.

370c ,1atm.1.83ml/100ml.

- Ho tan trong mt s dung mi hu c : ethyl acetate, methyl chloride, acetic

acid, ho tan trong methanol gp 7 ln trong nc.CO l mt kh c.

II.2 Tc hi ca kh CO

a)Tc hi ca kh CO i vi mi trng:

- Gp phn tng hiu ng nh knh CO2 v :CO + 1/2O2 = CO2

CO l mt kh c, nh hng n sc khe cho sinh vt v con ngi.

b) Tc hi ca kh CO ln sc kho con ngi:

- CO l mt kh rt c.

- N phnng (c i lc) rt mnh vi hng cu trong mu to ra cacboxy

Hemoglobin (COHb):

Hb + CO HbCO + O2

- Hn hp HbCO lm gim lng oxy trong mu , ngn cn hp th v vn

chuyn oxy nui c th.

- Hm lng COHb trong mu t 2 5% bt u c du hiu nh hng n

h thn kinh trung ng. Khi hm lng COHb trong mu tng n 10 20% cc

chc nng hot ng ca c quan khc trong c th b tn thng. Nu hm



4/30


5/30



Bng 1: Triu chng ca c th ng vi nng Cacboxy Hemoglobin trong

mu.

TT Triu chng %COHb trong mu

1 Khng c du hiu g < 1.0 %

2 Mt vi trng thi bnh thng trong thi

ng x.

1.0 2.0 %

3 nh hng n h thn kinh trung ng, gim

kh nng phn bit v khong cch, km nhy

cm gic quan km phn bit sng v mt

vi chc nng tm l khc

2.0 5.0 %

4 Chc nng tim phi b nh hng 5.0 10.0 %

5 au u nh, gin mch mu ngoi vi 10.0 20.0 %

6 au u, mp my thi dng 20.0 30.0 %

7 au u nhiu, mt mi, hoa mt chng mt,

bun nn, nn ma v suy sp

30.0 40.0 %

8 Suy sp, ngt, mch p v nhp th chm

dn

40.0 50.0 %

9 Ngt, gim mch p v nhp th, hn m v

co git tng cn

50.0 60.0 %

10 Hn m, co git tng cn, tim mch suy gimv nguy c t vong

60.0 70.0 %

11 Mch yu, th chm v yu dn v tt th sau

vi gi.

70.0 80.0 %

12 Cht trong vng < 1 ting ng h 80.0 90.0 %

13 Cht trong vng vi pht >90.0 %

(Ngun: Ti liu [1])



6/30



III. Cc phng php x l hin nay.

III.1 Phng php t:

- nguyn tc : CO + O2 CO2

- phn ng xy ra gn 10000C c th tn dng nhit do phn ng sinh ra .

- Phn ng c xc tc cha Cu v cc kim loi khc.

- Khi hm lng CO thp O2cao kh c t trong bung t ni hi.

- Khi c xc tc nhit gn 5000C phnng gia CO v nc nh sau:

CO + H2O CO2 + H2 + 9.5 kcal

- C th s dng xc tc l hn hp cc oxt ca st v Crom(87 % Fe2O3 v

65 % Cr2O3) vi cc cht MgO v K2O c chc nng kch thch phn ng.

u im:

+ C th tn dng nhit do phn ng sinh ra.

Nhc im:+ Trong dng kh thi thng c nhiu kh khc c th l cht

c xc tc lm qu trnh x l hiu qu khng cao.

III.2 Phng php hp th:

- s dng phng php hp th, s dng mt trong cc dung dch hp th.

+ Nit lng.

+ Dung dch [Cu(NH3)m(H2O)n]+.

+ Dung dch Clorua ng nhm CuAlCl4.III.2.1 Hp th bng dung dch[Cu(NH3)m(H2O)n]

+.

[Cu(NH3)m(H2O)n]+ + xNH3 + YCO [Cu(NH3)m+n(CO)y(H2O)n]

+ + Q

- Tu theo tng nng ca phc, tng p sut ca CO, gim nhit , th

kh nng hp th tng.

u im:

+ Hp th ha hc Vn tc hp th nhanh.

Nhc im:

+ Xy ra hp th ha hc sinh ra cc ha cht th cp c th l

cc cht nhim th cp.

+ hp th ho hc kh nh hp th.



7/30



III.2.2 Hp th bng clorua ng nhm CuAlCl4 (20 50 %) v (80 90 %)

toluen.

CuCl + AlCl3 +2C6H5Cl3 (CuAlCl4)(C6H5CH3)2

Sau :

(CuAlCl4)(C6H5CH3)2 + 2CO (CuAlCl4).2CO + 2C6H5CH3

- Cc kh CO2 , O2 , N2 , H2 khng tham gia phn ng vi phc CuAlCl4

nhng hi nc li phn ng:

CuAlCl4 + H2O 2HCl + CuCl + CuAlCl4.CuOCl

V vy, trc khi hp th kh phi c sy kh.

u im:

+ Hp th ha hc vn tc hp th nhanh.

Nhc im:

+ Qu trnh hp th ha hc phc tp, sinh ra cc ha cht thcp c th l cc cht nhim th cp.

+ Kh phi c sy kh trc khi cho vo x l.

+ hp th ho hc Kh nh hp th.

III.2.3 Hp th bng Nit lng.

- Trong cng nghip nit c sn xut bng cch chng ct phn

on khng kh lng. Trong kh quynnit chim 78% theo th tch (hay 75.5%

theo trng lng ) ca khng kh.u im:

+ C hiu sut cao c bit vi cc kh c kh nng ho tan tt.

+ C th x l kh c nhit thp lu lng ln.

+ Dung mi hp th d kim c th hon nguyn.

+ Mt s sn phm ca qu trnh hp th c th c s dng.

+ C th kt hp x l kh vi vic tch bi v lm lnh.

Nhc im:

+ Chi ph hon nguyn dung mi hp th cao.

+ Thit b cng knh chim nhiu din tch.

+ Tn nng lng.



8/30



III.3 Hp ph bng than hot tnh.

- Dng kh thi c dn vo y thp, i qua lp vt liu hp ph bng

than hot tnh, cht nhim CO c gi li trong cc khe rng ca than v

trn b mt than. Cn khng kh sch thot ra ngoi nh thp.

- Khi than bo ho, ngi ta nh hp ph thu hi cht nhim v

than c th hp ph tr li.

u im:

+C th x l kh nhim c nng nh v lu lng ln.

+ Hiu xut x l cao >80 %.

+ Cht hp ph r d kim.

+ Vn hnh n gin t tn nng lng.

+ Lm vic n nh.

Nhc im:+ Khng thch hp x l kh nhim c nng ln.

+ Thit b cng knh chim nhiu khng gian, thit b hp ph v

thit b hon nguyn ni song song.

+ Cn c thit b lc bi trc khi vo h thng hp ph.



9/30



IV. La chn phng php x l, s dy truyn cng ngh ca h

thng, thuyt minh cng ngh.

IV.1 La chn phng php x l.

- Da vo u nhc im ca cc phng php x l ta la chn phng

php hp th, vi dung mi hp th l Nit lng.

IV.2 S dy truyn cng ngh ca h thng.

IV.3 Thuyt minh cng ngh.

- h thng hp th CO lm vic n nh v t nng sut cao th kh thi

chaCO trc khi vo thp hp th (2) s c lm lnh bi hai thit b trao

i nhit kh - kh (1). Hai thit b ny s tn dng ngun lnh ca kh sau khi

i ra khi thp hp th (2) ti lnh cho kh thi cha COi vo h thng.

- Kh thi qua hai thit b trao i nhit (1) kh thi c dn vo thp hp th

(2) vi p sut l 1 at.- Trong thp hp (2). Nit lng chy t trn xung phn b u trn mt m,

CO i t di ln phn tn trong pha lng. CO s c hp th bi Nit

lng qua cc bc thay i nng phn kh tr ra khi thp s c dn n

hai thit b truyn nhit (1) ti lnh.

- Nit lngban u c bm (5) bm nit lng t bn cha (4) bm ln bn

cao v (6) cung cp nit lng cho thp (2), nit lng sau khi hp th CO

chy xung y thp v i ra ngoi n thit b nh hp th (3) tch CO,dung mi nit sau khi nh hp th s c hi lu tr li bn cha (4)

cung cp dung mi cho thp hp th (2).

- Bn cha (4) s cha nit lng sau khi nh hp th,nit lng trn t bn cao

vv nit lng cung cp vo h thng.



10/30

n mn hc GV hng dn: Mc Duy HngPhn II. TNH TON THIT B.

I. Tnh ton cc thng s vo ra ca h thng.

Nng sut vo h thng: 8500m3/h

Chn iu kin lm vic ca thp hp th;

Hn hp kh x l gm CO, N2, v khng kh.

P = 1 at.

t0C = -1950C (780K).



11/30



Tnh Gy;

Gy= y.V

Ta c y = 1 . v1 + 1 . v2 + ;

Trong v1 , v2 - nng phn th tch ca cc cu t trong hn hp.

1 , 2 - khi lng ring ca cc cu t, kg/m3.

- Khi lng ring 00C (2730K),1at ca cc cu t l:

o, N2 = 1,2507 kg/m3.

o,CO = 1,2501 kg/m3.

o,kk = 1,2928 kg/m3.

0,y = (1,2507.0,04+1,2501.0,06+1,2928.0,9) = 1,2886 kg/m3.

- Khi lng ring 300C (3030K), 1at ca cc cu t l:

PP

T

T

PM

T

P

00

0

0 .

.273.

4,22.

..

kg/m3. [2]

trong :M - Khi lng mol ca kh, kg/kmol;

T - Nhit tuyt i ca kh, 0K;

4,220M

- Khilng ring ca kh k tiu chun (0oC v 760mmHg), kg/m3;

P, Po p sut ca kh iu kin lm vic v iu kin tiu chuno bng

cng mt n v;

- Khi lng phn t ca cc cu t; kg/kmolMN2 = 28 kg/kmol ;

MCO = 28 kg/kmol ;

Mkk = 29 kg/kmol ;

1262,11.303

1.273.

4,22

282

N

kg/m3

1262,11.303

1.273.

4,22

28

COkg/m3

1665,11.303

1.273.

4,22

29

kkkg/m3

y = 1,1262.0,04+1,1262.0,06+1,1665.0,9=1,1625 kg/m3;

Gy = 1,1625.8500 = 9881,2500 kg/h.



12/30



Tnh Yd ;

khi lng CO trong th tch kh ban u l:

GCO=CO.VCO= CO.0,06.Vy= 1,1262.0,06.8500=574,3620 kg/h

Gtr,d =Gy GCO = 9881,2500-574,3620=9306,8880kg/h

0617,08880,9306

3620,574

, GG

Y dtrCO

d kgCO/kgtr.

Tnh Gtr;

- lng kh tr c tnh theo cng thc l;

0076,93070617,01

12500,98811

1

1.

yG

YGG dY

d

Ytrkg/h.

Tnh Yc;

- Theo tcvn 5939 1995 ct B

500,

,

V

GC

thai

cCO

tcCOmg/m3=500.E-6 kg/m3

- Khi lng CO trong kh thi l :

CO

CO

YYtcCOthaitcCOCO

GVVCVCG 04,0.9,0.. ,,

CO

tcCO

YY

tcCOcCO C

VV

CG ,,, 1

.04,0.9,0

.

9968,3

1262,1

6.5001

8500.04,08500.9,0.6.500

,

EEG cCO kg/h

0004,08880,9306

9968,3

,

GG

Ydtr

CO

CkgCO/kgtr.

Tnh Xd- Ta c ; Xd = 0;



13/30



Phng trnh ng cn bng ca qu trnh hp th l:

xP

y

*

- Trong : l h s Henry c th nguyn l p sut.

x l nng phn mol ca kh trong lng.

P l p sut chung ca hn hp.

TT

C0

298

11exp.

Trong 298 l h s Henry 2980K.

i vi CO th C = 13000K.

4273,199298

1

78

11300exp.6.44

E mmHg.

2624,0 at.

xxy 2624,01

2624,0*

X

XY

7376,01

.2624,0

Y

YX

7376,02624,0



14/30



II.Tnh lng dung mi (pha lng).

Tnh Gx:

Gx = 1,2.Gx,min

XX

YYGG

ddcb

cd

trX

,

min,; [3]

Da vo phng trnh cn bng ta c

2845,00617,0.7376,02624,0

0617,0,

X dcb kgCO/kg,tr

3412,20052845,0

0004,00617,0.0076,9307

min,

GX kgN2

Ta c Gx = 1,2 Gx,min => Gx = 1,2.2005,3412 = 2406,4094 kgN2.

Tnh Xc

Da vo phng trnh cn bng vt liu ta c :

Gtr(Yd - Yc) = Gx(Xc - Xd)

2517,00004,00617,0.2406,4094

9881,2500. YY

GG

X CdX

Y

CkgCO/kgtr

Ta c ng nng lm vic ca qu trnh l ;

XGG

YGG

d

tr

X

c

tr

X XY ..

0004,02586,0 XY .



15/30



III. Tnh ton thit b (thp) hp th.

Chn m rasig bng s.

-Kch thc m (25*25*3).

-B mt ring = 195 m2/m3

-Th tch t do cam Vtd = 0,75 m3/m3

-s m trong 1m3 l 46.E3

- Khi lng ring xp = 600 kg/m3

Tnh ng knh thp.

ng knh thit b c tnh theo cng thc sau:

785,0

VYD m. [3]

Trong : VY ; lu lng pha kh, m3/s;

; vn tc lm vic trong thp kh, m/s.

=(0,8-0,9) dp

- Khi lng ring -1950C (780K), 1 at ca cc cu t l:

3750,41.78

1.273.

4,22

282

N

kg/m3

3750,41.78

1.273.

4,22

28

COkg/m3

5313,41.78

1.273.

4,22

29

kkkg/m3

y = 4,3750.0,04+4,3750.0,06+4,5313.0,9=4,5157 kg/m3;

8082

Nkg/m3

6078,05157,4.3600

2500,9881

.3600

Y

YGV m3/s.

- Tnh dp9,08,0 ?

n

X

FgY

X

Y

td

dp

16,0

3

2

...

.[3]

vi g=9,81m/s2

l b mt ring ca m,m2/m3.

Ftd l tit din t do ca m,m2/m2. c tr s l th tch t do ca m.



16/30



nl nht ca nc 200C c tr s 3.79,1 E

n N.s/m2

x nht ca nit lng 780K; vi C=104.

2

3

0 273.

273.

T

CT

C

t N.s/m2

6.2198,5273

78.10478

104273.7.1652

3

EE

t N.s/m2

eX

Y4

2,1

8/14/1

.

X

Y

Y

X

GG

X [3]

3673,0808

5157,4.

2500,9881

4094,24068/14/1

X

2761,0.2,13673,0.4

eY

16,0

3

2

)3.79,1

6.2198,5.(

808

5157,4.

75,0.81,9

195.2761,0

E

Edp

6686,22dp

6336,1dp m/s

3069,16336,1.8,0 m/s

7697,03069,1.785,0

0,6078D m.

- chnng knh theo tiu chun l 800 mm.



17/30

n mn hc GV hng dn: Mc Duy HngTnh chiu cao thp.

Chiu cao lp m H=h.mTrong :H l chiu cao lp m (m).

h l chiu cao tng ng ca mt n v thay i nng (m).m l s bc thay i nng .

- S bc thay i nng ;

da vo th ca ng cn bng v ng lm vic ta c s bc thay i nng

.

23m

- Chiu cao ca mt bc thay i nng ;Theo Kafarov neski th:

4,0

2,11

.200

Ftdh (m). [3]

Trong : ; vn tc lm vic trong thp, m/s.; l b mt ring ca m m2/m3.

2273,01.195

75,02003069,1

4,0

2,1

h m.

=> 2279,52273.23,0 H m.- chn chiu cao lp m l 5 m.



18/30



IV. Tnh tr lc thp.- Tr lc c tnh theo cng thc.

2

...

2

0

dtdY

Hp

N/m2. [3]

Trong :-h s ma st;d

td- ng knh tng ng ,m;

H - chiu cao lp m,m;0 - vn tc kh trong lp m,m;

Vtd

0

vi l vn tc lm vic ca kh trong thp,m/sthay 0 qua ta c :

Vtd

YH

p3

2...

.8

,N/m2 [3]

h s ma st c tnh da vo chun s Re

YRe

140 vi

.

..4ReY

Y

Trong ;- l b mt ring ca m,m2/m3- l nht ca dung mi, Ns/m2

0403,231926.2198,5.195

5157,4.3069,1.4ReY

E

0060,00403,23192

140

3688,1375,0

5157,4.195.3069,1.5

.8

0060,03

2

p N/m2



19/30



V. Tnh ton cc thit b ph tr.

ng dn kh.

Da vo lu lng ca dng kh l;

6078,05157,4.3600

2500,9881

.3600

Y

Y

Y

GV m

3/s =607,833 l/s

-Ta chn ng knh ng dk = 250 mm . [4]

- dy chn s = 5mm.

ng dn lng.

Da vo lu lng ca dung mi l;

0008,0808.3600

4094,2406

2

N

X

X

GV m

3/s =0,8273 l/s.

- Ta chn ng knh ng dn lng dl = 40 mm. [4]

- dy chn s = 5mm.

Tnh li m. [5]

-ng knh li d = 785 mm.

-Chiu dy ca li l 30 mm.

-Chiu dy ca thanh l 5 mm.

-Chiu rng ca bc b = 22 mm.

Tnh a phn phi lng. [5]

-Chn a phn phi loi 1; Dd = 500 mm.chiu cao a phn phi lng l hd=100 mm.

-S ng dn cht lng l 37 ng.

-ng dn cht lng dxs 44,5x2,5 mm.

-Bc t = 70.



20/30



VI. Tnh b dy, chn vt liu ch to thn thp, y, np thit b v bch ni

cc phn ca thit b.

- Chn vt liu ch to thn thp l thp CT3.

- B dy thit b c tnh theo cng thc

Cpp

SDt

..2

.

,m. [5]

trong :Dtl ng knh trong ca thp, m.

l h s bn ca thnh hnh tr theo phng dc.

C l s b xung do n mn(bo mn v dung sai v chiu dy),m.

p l p sut trong thit b,N/m2.

l ng sut cho php khi nn.

6.1601.5,1E6.240

EnC

tC

,N/m

2

[5]

t

C=240.E6 N/m2 l gii hn bn.

nC=1,5 l h s an ton theo gii hn bn.

95,05

25.05

L

dL

Trong L- l chiu di ca thn hnh tr,m.

d l tng s ln nht ca ng knh cc l trn mt ng sinh,m.

C = C1 + C2 + C3 ,m.

Trong C1 l s b xung do n mn thit bn va C1 = 1mm.

C2 l s b xung do hao mn (thit b ho cht nn b qua).

C3 l s b xung do dung sai ca chiu dy,C3=0,8mm.

C=(1+0,8).E-3=1,8.E-3 m.

=>p sut thu tnh phny thit b do dung mi gy ra:

4000,396325.808.81,9.. HgXXP

=> p sut kh trong thp l: Pk=1.98100=98100 N/m2

=> p sut trong thp l: P=Pl+Pk=39632,4000+98100=137732,4000 N/m2

0022,03.8,14000,13773295,0.6.160.2

4000,137732.8,0

E

ES m.

chn chiu dy S=0,003m=3mm.



21/30



- Kim tra ng sut ca thnh theo p sut th.

p sut th tnh ton P0 xc nh theo bng XIII.5

Pth=1,5P=1,5.137732,4000=206598,6000 N/m2

Xc nhng sut ca thn thit b theo p sut th tnh ton dng cng thc

(XIII.26)

6.5995,7295,0.3.8,13.2

6,206598.3.8,138,0

2

.)(0 E

E

E

CS

CS

h

t PD

N/m2 kim tra iu kin tho mn ;=> chiu dy thn thp l 3mm.

Tnh y v np thp.

- chny v np thp dng elip c g.

ht=200 mm.

h=50 mm.- tnh chiu dy y v np theo cng thc:

C

Pk

PS

hDD

b

t

hk

t

.2

....8,3

.

, m. [5]

hb l chiu cao phn li ca elp.

H s 9688,08,0

025,011

D

t

dk

306060,97595,0.9688,0.4000,1377326.146.. Ek

P h => nn c th b qua P mu.

CECE

S 3.4,02,0.2

8,0.

95,0.9688,0.6.146.8,3

8,0.4000,137732, m.


22/30



Tnh bch ni cc phn thit b.

chn bch lin loi 1 vi p sut kh Py=0,3.E6 N/m2 [5]

PY.E-6

N/m

2

Dt

Kch thc ni

hD Db DI D0 Bu lng

db zMm ci mm

0,3 800 930 880 850 811 M20 24 22



23/30



VII. Tnh chn v tay treo thp.

Trng lng ton thp: [5]

- Trng lngm:

294305.8,0.600.81,9.. VgM demdemdem N.

- Trng lng dung mi:380475.8,0.808.81,9..

2 VM dmoiNdmoi g N.

- Trng lng thn thp:

0586,0.4

220,6.14,3

4

.000,2003,2

2222

DD tn

HV m3

6981,451281,9.3.85,7.0586,0..3

EgCTthanthan VM N.

- Trng lngy v np:

Theo bng XIII.11 th miy c khi lng l 283 kg:5240,5922,30.81,9.2

2M day N.

- Trng lng 2a phn phi lng 2 lim:

8,78420.81,9.422

M Ld N.

- Trng lng ton thp

MM day LdMthanMdmoiMdemM

2 22

7336878559345133804729430 M N.



24/30



Chn chn .

Vi trng lng ca ton thp 4.5,7 EM ,N chn chn c 3 chn.

Ti

trng/1chn

G.10-4, N

B mt

F.104,

m2

ti trng

cho php

trn b

mt

q.10-6,

N/m2

L B B1 B2 H H S L d

2,5 444 0,56 250 180 215 290 350 185 16 90 27

Chn 3 tai treo.

Vi trng lng ca ton thp 4.5,7 EM ,N chn tai treo c cc thng s sau.

Ti trng

cho

php/1tai

treo

G.10-4,N

b mt

F.104,m2

Ti trng

cho php

ln b

mt

q.10-6

,N/m2

L B B1 H S L a d khi

lng 1

tai treo,

kg

2,5 173 1,45 150 120 130 215 8 60 20 30 3,48



25/30



V.III Tnh khi lng ton b thp.

9399,743881.9

72976

g

MGthap kg.



26/30



IX. Chn bm kh v lng.

Da vo lu lng dung mi cn cp.

Q = 0,6684 kg/s = 0,8273 l/s. = 0,0008 m3/s.

Thp cao 7m b vo tn tht dcng tn tht cc b do ngng, ct

ni chn H = 10mH2O.

Cng sut bm :

.1000

... HQgN (kw).

chn hiu sut bm 7,0

95,07,0.1000

10.0008273,0.81,9.808N (kw) =1,3(HP).

Do chn h s an ton cng sut =1,2Cng sut bm yu cu 14,12,1.95,0. N

YC (kw) = 1,6(HP).

chn 2 bm, mt ci hotng mt ci d phng mi ci c:

Q=3m

3

/h.H=10mH2O.

N=1,6HP.



27/30



PHN III.TNH TON KINH T.

- Chi ph cho h thng x l :

st

t

Vt liu loi quy

cch

n

v

s

lng

Gi/1v

(ng)

Thnh tin

(ng)

1 Thp lm

thn

Thp tm

CT3-3mm

kg 460 12700 5,842,000

2 Thp y-

np

Thp tm

CT3-5mm

Kg 60,4 12700 767,080

3 Thp lm

bch

Thp

CT3-10mm

kg 150 12700 1,905,000

4 Thp lm

li

Thp

CT3-30mm

Kg 40 13500 540,000

5 Thp a pp

lng

Thp

CT3-5mm

Kg 40 12700 508,000

6 Bu long Thp Ci 72 2000 144,000

7 Tai treo

+ chn

Thp

CT3-16mm

Kg 80 13200 1,056,000

8 Bm Q=3m3/h.

H=10mH2O.

N=1,6HP

ci 2 2000000 4,000,000

9 m s

(25*25*5)

ci 288880 3500 1,011,080,000

Tng 1,025,842,080



28/30



PHN IV.KT LUN.

- Hin nay tri tang ng trc rt nhiu mie do nh sng thn, ng

t, l lt hn hn,hin tng sng khi, hiung nh knh, thng tng

zn Nhng mie do cng bt ngun t chnh loi ngi bi s gia

tng mt lng kh thing k t cc hotng cng nghip.

khc phc v gim thiu nhng hu qu cc quc gia cna gia

cc chnh sch v tiu chun thi hp l trnh nhng ri do do kh thi gy ra

png tiu chun thi kh thi ra mi trng th da trn nhng nguyn

tc v tnh cht kh thi ngi ta nghin cu ra cc bin php x l va mang

li li ch kinh t va hi ho vi mi trng.trong nhng nm gny cng

ngh x l kh thi c rt nhiu cng ngh mi v a vo ng dng phi

kn chnh l cng ngh x l kh thi hp th bng nit lng vi hiu sut hp

th tt cc kh thic hi .Thng qua mt ti v hp th monocacbon oxit bng dung mi nit lng

cng phn no cho chng ta bit v x l kh bng dung mi nit lng c

nhngu im nh dung mi sn c thit b nh gn chi ph u t khng cao

hiu sut x l cao.

Tuy nhin bt c phng php no cng khng th thiu nhng nhcim

nh thit b lm viciu kin khc nghit(-1950C c th hu hoi lm cht t

bo ngay lp tc) bi vy trong khi ch to thit b cn ch cc thng s anton trnh nguy him .



29/30



TI LIU THAM KHO:

[1] nhim khng kh v x l kh thi tp 1-GS Trn Ngc chn - nh xut bn

khoa hc k thut.

[2] s tay qu trnh v thit b cng ngh ho cht tp 1.

[3] Cc qu trnh thit b trong cng ngh ho cht v thc phm tp 4.

[4] Thu lci cng- GS.TS Nguyn Ti-PTS Phm Ngc Cu.

[5] s tay qu trnh v thit b cng ngh ho cht tp 2.



30/30

n mn hc GV hng dn: Mc Duy HngMC LC

trang

Phn I: TNG QUAN.

I.Mu. 1

II. Tnh cht ho l v tc hi ca kh cn x l. 2

III. Cc phng php x l hin nay c p dng. 6

IV. La chn phng php x l . S cng ngh ca h thng. Thuyt

minh cng ngh. 9

IV.1 La chn phng php x l. 9

IV.2 S dy truyn cng ngh ca h thng. 9

IV.3 Thuyt minh cng ngh. 9

Phn II. TNH TON THIT B. 10I. Tnh ton cc thng su vo - ra ca h thng. 10

II. Tnh lng dung mi (pha lng). 14

III. Tnh ton thit b thp hp th. 15

IV. Tnh tr lc thp. 18

V. Tnh ton cc thit b ph tr. 19

VI. Tnh b dy, chn vt liu ch to thn thp, y, np thit b v bch ni

cc phn ca thit b. 20VII. Tnh chn v tai treo ca thp. 23

VIII. Tnh khi lng ton thp. 25

IX. Chn bm kh v lng. 26

Phn III.TNH TON KINH T. 27

Phn IV. KT LUN. 28

TI LIU THAM KHO. 29

MC LC 30

design co treatment by nitro liquid

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