HYSYS tutorial

30

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Reactors and Heat Exchangers

Transcript of HYSYS tutorial

Page 1: HYSYS tutorial

Tuto

rial

2

Rea

ctor

s an

d H

eat

Exch

ange

rs

Prob

lem

1 C

onve

rsio

n R

eact

or

Con

side

r a

stre

am o

f N

2 an

d H

2 at

300

ºF

and

500

psia

with

mol

e fr

actio

n of

0.3

and

0.7

, re

spec

tivel

y, w

ith a

mol

ar f

low

rat

e of

100

lbm

ol/h

r. T

his

stre

am e

nter

s a

reac

tor.

C

onve

rsio

n of

N2

is 3

0 %

and

the

reac

tor

is is

othe

rmal

. C

alcu

late

the

prop

ertie

s of

out

let

stre

ams

usin

g Pe

ng-R

obin

son

equa

tion

of s

tate

. Th

e fo

llow

ing

reac

tion

take

s pl

ace

in t

he

reac

tor:

32

22

3N

HH

N

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

126

Solu

tion:

Follo

w th

e st

ep-b

y-st

ep in

stru

ctio

ns to

solv

e th

e pr

oble

m.

1-O

pen

a ne

w c

ase.

2-A

dd a

new

com

pone

nt li

st.

Page 2: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s12

7

3-Se

lect

the

com

pone

nts

from

the

Com

pone

nts

list

and

then

clo

se t

he a

ctiv

e w

indo

w b

y cl

icki

ng o

n cr

oss b

utto

n (a

ll pr

oces

s com

pone

nts s

houl

d be

ent

ered

in th

is st

ep).

4-Th

e cr

oss

butto

n is

not

see

n on

the

figur

e an

d yo

u co

uld

mov

e th

e ac

tive

win

dow

to s

ee

the

cros

s but

ton

in o

rder

to c

lose

it.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

128

5-Se

lect

the

Flui

d Pa

ckag

e (M

ake

sure

sele

ctin

g C

ompo

nent

Lis

t -1i

n th

e co

mpo

nent

list)

.

6-A

dd a

new

Flu

id P

acka

ge

Page 3: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s12

9

7-Se

lect

the

Peng

Rob

inso

n or

SRK

equ

atio

n of

stat

e fr

om P

rope

rty

Pack

age.

8-C

lose

the

Flu

id P

acka

ge b

y cl

icki

ng o

n cr

oss

butto

n. A

fter

this

ste

p, i

t is

pos

sibl

e to

im

port/

expo

rt th

e Fl

uid

Pack

age.

G

o to

the

Reac

tion

butto

n.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

130

9-G

o to

the

Add

Rxn

butto

n to

ent

er th

e re

actio

n da

ta.

10-S

elec

t the

Con

vers

ion

Rea

ctio

n an

d th

en c

lick

on th

e ad

d Re

actio

n bu

tton.

Page 4: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s13

1

11-S

elec

t th

e co

mpo

nent

s fr

om t

he d

rop

dow

n m

enu

and

then

ent

er t

he s

toic

hiom

etry

(n

egat

ive

for r

eact

ants

and

posi

tive

for p

rodu

cts)

. Th

e ba

lanc

e er

ror s

houl

d be

zer

o.

12-C

lick

on th

e Ba

sis

butto

n, s

elec

t Bas

e Co

mpo

nent

fro

m d

rop

dow

n m

enu

and

ente

r th

e co

nver

sion

for t

he b

ase

com

pone

nt (3

0 %

).

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

132

13-C

lose

the

act

ive

win

dow

and

ret

urn

to t

he f

ollo

win

g w

indo

w:

The

rea

ctio

n Rx

n-1

is ad

ded.

Add

a re

actio

n se

t by

clic

king

on

the

Add

Set b

utto

n.

14-I

n th

e Ac

tive

List

, sel

ect R

xn-1

from

the

drop

dow

n m

enu.

Che

ck m

ark

the

reac

tion

set

and

clos

e th

e ac

tive

win

dow

.

Page 5: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s13

3

15-C

lick

on th

e Ad

d FP

but

ton

(Thi

s mak

es th

e re

actio

n ac

cess

ible

for s

imul

atio

n).

16-C

lick

on A

dd S

et to

Flu

id P

acka

ge B

utto

n.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

134

17-T

he B

asis

-1 p

rope

rty m

odel

is

now

add

ed t

o th

e Fl

uid

Pack

age.

Th

en E

nter

to

Sim

ulat

ion

Envi

ronm

ent.

18-G

o to

Too

ls/P

refe

renc

e to

cha

nge

the

Uni

t Set

to F

ield

.

Page 6: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s13

5

19-G

o to

the

Vari

able

s but

ton,

sele

ct F

ield

and

clo

se th

e w

indo

w (T

he n

ew u

nit s

et m

ay a

lso

be c

lone

d by

clic

king

on

the

Clo

ne b

utto

n).

20-D

rag

a m

ater

ial s

tream

to th

e PF

D, c

lick

on s

tream

and

ent

er tw

o ou

t of t

hree

pro

perti

es

(tem

pera

ture

, pr

essu

re

and

vapo

r fra

ctio

n)

and

mol

ar

flow

rate

in

th

e W

orks

heet

/Con

ditio

ns P

age.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

136

21-S

ave

the

sim

ulat

ion

wor

k (e

.g.,

pro

blem

-1).

22-E

nter

the

mol

e fr

actio

ns o

f th

e co

mpo

nent

s in

Wor

kshe

et C

ompo

sitio

n pa

ge. C

lick

OK

and

clos

e th

e ac

tive

win

dow

to re

turn

to P

FD.

Page 7: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s13

7

23-T

he s

tream

pro

perti

es c

an n

ow b

e ca

lcul

ated

(se

en i

n th

e W

orks

heet

/Pro

pert

ies

page

).

Item

s in

blue

and

bla

ck in

dica

te u

ser-d

efin

ed a

nd c

alcu

late

d pr

oper

ties,

resp

ectiv

ely.

24-C

lose

the

activ

e w

indo

w a

nd p

ut th

e cu

rser

on

the

stre

am to

vie

w th

e Fl

y-By

win

dow

.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

138

25-S

elec

t a c

onve

rsio

n re

acto

r fro

m o

bjec

t pal

ette

(F4)

and

dra

g it

to th

e PF

D.

26-

Dou

ble

clic

k on

the

reac

tor a

nd e

nter

Inle

t, V

apor

and

Liq

uid

Out

lets

and

Ener

gy s

tream

in

the

Des

ign/

Con

nect

ions

pag

e.

Page 8: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s13

9

27-G

o to

the

Reac

tions

pag

e an

d se

lect

reac

tion

set f

rom

the

Reac

tion

Set d

rop

dow

n m

enu.

28-I

n th

e W

orks

heet

pag

e, e

ither

ent

er te

mpe

ratu

re o

f one

of o

utle

t stre

ams

or d

efin

e du

ty o

f he

at st

ream

. W

ith th

ese

info

rmat

ion

reac

tor w

ill b

e so

lved

imm

edia

tely

.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

140

29-T

he d

uty

of h

eat s

tream

is e

nter

ed in

Des

ign/

Part

amet

ers

sect

ion.

(M

ake

sure

to d

elet

e th

e te

mpe

ratu

re e

nter

ed in

pre

viou

s sec

tion)

.

30-T

he p

rope

rties

of a

ll st

ream

s cou

ld b

e vi

ewed

in th

e W

orks

heet

Pro

pert

ies P

age.

Page 9: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s14

1

Prob

lem

2 C

STR

Pr

oduc

tion

of k

eten

e fro

m a

ceto

ne is

per

form

ed in

a C

STR

. 4

23

3C

HC

OC

HC

OC

HC

HTh

e re

actio

n ra

te c

onsta

nt (i

n SI

uni

t) fo

r thi

s rea

ctio

n is

:

RTk

514

1085.2

exp

10*2.8 w

here

k is

in k

gmol

/m3 s.

Feed

stre

am (p

ure

acet

one)

ent

ers

the

reac

tor a

t 760

ºC a

nd 1

60 k

Pa w

ith m

olar

flow

rate

of

140

kmol

e/hr

. Th

e re

acto

r is

adia

batic

and

its

volu

me

is 2

m3 .

Sim

ulat

e th

e pr

oces

s us

ing

PRSV

equ

atio

n of

stat

e.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

142

Solu

tion:

Follo

w th

e st

ep-b

y-st

ep in

stru

ctio

ns to

solv

e th

e pr

oble

m.

1-O

pen

a ne

w c

ase.

2-A

dd a

new

com

pone

nt li

st.

Page 10: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s14

3

3-Se

lect

the

com

pone

nts

from

the

Com

pone

nts

list

and

then

clo

se t

he a

ctiv

e w

indo

w b

y cl

icki

ng o

n cr

oss b

utto

n (a

ll pr

oces

s com

pone

nts s

houl

d be

ent

ered

in th

is st

ep).

4-Th

e cr

oss

butto

n is

not

see

n on

the

figur

e an

d yo

u co

uld

mov

e th

e ac

tive

win

dow

to s

ee

the

cros

s but

ton

in o

rder

to c

lose

it.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

144

5-Se

lect

the

Flui

d Pa

ckag

e (M

ake

sure

sele

ctin

g C

ompo

nent

Lis

t -1i

n th

e co

mpo

nent

list)

.

6-A

dd a

new

Flu

id P

acka

ge.

Page 11: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s14

5

7-Se

lect

the

PSRV

equ

atio

n of

stat

e fr

om P

rope

rty P

acka

ge.

8-C

lose

the

Flu

id P

acka

ge b

y cl

icki

ng o

n cr

oss

butto

n. A

fter

this

ste

p, i

t is

pos

sibl

e to

im

port/

expo

rt th

e Fl

uid

Pack

age.

G

o to

the

Reac

tion

butto

n.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

146

9-G

o to

the

Add

Rxn

butto

n to

ent

er th

e re

actio

n da

ta.

10-S

elec

t the

Kin

etic

Rea

ctio

n an

d th

en c

lick

on th

e ad

d Re

actio

n bu

tton.

Page 12: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s14

7

11-S

elec

t the

com

pone

nts f

rom

the

drop

dow

n m

enu

and

then

ent

er st

oich

iom

etry

of r

eact

ion

(neg

ativ

e fo

r rea

ctan

ts an

d po

sitiv

e fo

r pro

duct

s).

The

bala

nce

erro

r sho

uld

be z

ero.

12-C

lick

on th

e Ba

sis

butto

n, s

elec

t Bas

e Co

mpo

nent

fro

m d

rop

dow

n m

enu

and

ente

r th

e re

actio

n ph

ase

(Ove

rall)

and

che

ck th

e un

its.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

148

13-G

o to

Par

amet

ers p

age

and

ente

r the

reac

tion

rate

dat

a.

14-G

o to

Clo

se th

e ac

tive

win

dow

and

retu

rn to

the

follo

win

g w

indo

w:

The

reac

tion

Rxn-

1is

add

ed.

Add

a re

actio

n se

t by

clic

king

on

the

Add

Set b

utto

n.

Page 13: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s14

9

15-I

n th

e Ac

tive

List,

sel

ect R

xn-1

from

the

drop

dow

n m

enu.

Che

ck m

ark

the

set a

nd c

lose

th

e ac

tive

win

dow

.

16-C

lick

on th

e Ad

d FP

but

ton

(Thi

s mak

es th

e re

actio

n ac

cess

ible

for s

imul

atio

n).

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

150

17-C

lick

on A

dd S

et to

Flu

id P

acka

ge B

utto

n.

18-T

he B

asis

-1pr

oper

ty m

odel

is

now

add

ed t

o th

e Fl

uid

Pack

age.

Th

en E

nter

to

Sim

ulat

ion

Envi

ronm

ent.

Page 14: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s15

1

19-D

rag

a m

ater

ial s

tream

to th

e PF

D, c

lick

on s

tream

and

ent

er te

mpe

ratu

re, p

ress

ure

and

mol

ar fl

owra

te in

the

Wor

kshe

et/C

ondi

tions

Pag

e.

20-S

ave

the

sim

ulat

ion

wor

k (e

.g.,

pro

blem

-2).

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

152

21-E

nter

1 f

or a

ceto

ne m

ole

frac

tion

and

zero

for

the

rest

in W

orks

heet

/Com

posi

tion

page

. C

lick

OK

and

clo

se th

e ac

tive

win

dow

to re

turn

to P

FD.

22-T

he s

tream

pro

perti

es c

an n

ow b

e ca

lcul

ated

(se

en i

n th

e W

orks

heet

Con

ditio

ns p

age)

. Ite

ms i

n bl

ue a

nd b

lack

indi

cate

use

r-def

ined

and

cal

cula

ted

prop

ertie

s, re

spec

tivel

y.

Page 15: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s15

3

23-C

lose

the

activ

e w

indo

w a

nd p

ut th

e cu

rser

on

the

stre

am to

vie

w th

e Fl

y-By

win

dow

.

24-S

elec

t a C

STR

from

the

obje

ct p

alet

te (F

4) a

nd d

rag

it to

the

PFD

.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

154

25-

Dou

ble

clic

k on

the

reac

tor a

nd e

nter

Inle

t and

out

let s

tream

s in

Des

ign/

Conn

ectio

ns.

26-G

o to

the

Reac

tions

pag

e an

d se

lect

set o

f rea

ctio

n fr

om R

eact

ion

Set d

rop

dow

n m

enu.

Page 16: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s15

5

27-G

o to

the

Ratin

g pa

ge a

nd e

nter

the

volu

me

(2 m

3 ) for

the

reac

tor.

28-I

n th

e Re

actio

n/Re

sults

pag

e W

orks

heet

pag

e, th

e ac

tual

con

vers

ion

(%)

on th

e ba

sis o

f ac

eton

e co

uld

be se

en.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

156

29-T

he p

rope

rties

of a

ll st

ream

s cou

ld b

e vi

ewed

in th

e W

orks

heet

/Pro

pert

ies P

age.

Page 17: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s15

7

Prob

lem

3: E

quili

briu

m R

eact

or

Con

side

r a st

ream

of N

2 with

mol

e fr

actio

n of

0.7

and

H2w

ith a

mol

e fr

actio

n of

0.3

, whi

ch is

fe

d to

an

equi

libriu

m re

acto

r at 2

5°C

and

20

atm

with

a m

olar

flow

rate

of 1

00 k

mol

e/hr

to

prod

uce

amm

onia

. T

he o

pera

ting

tem

pera

ture

of

reac

tor

is 5

0 ºC

. S

imul

ate

the

proc

ess,

usin

g th

e lib

rary

info

rmat

ion

of H

YSY

S fo

r equ

ilibr

ium

reac

tions

.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

158

Solu

tion:

Follo

w th

e st

ep-b

y-st

ep in

stru

ctio

ns to

solv

e th

e pr

oble

m.

1-O

pen

a ne

w c

ase.

2-A

dd a

new

com

pone

nt li

st.

Page 18: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s15

9

3-Se

lect

the

com

pone

nts

from

the

Com

pone

nts

list

and

then

clo

se t

he a

ctiv

e w

indo

w b

y cl

icki

ng o

n cr

oss b

utto

n (a

ll pr

oces

s com

pone

nts s

houl

d be

ent

ered

in th

is st

ep).

4-Th

e cr

oss

butto

n is

not

see

n on

the

figur

e an

d yo

u co

uld

mov

e th

e ac

tive

win

dow

to s

ee

the

cros

s but

ton

in o

rder

to c

lose

it.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

160

5-Se

lect

the

Flui

d Pa

ckag

e (M

ake

sure

sele

ctin

g C

ompo

nent

Lis

t -1i

n th

e co

mpo

nent

list)

.

6-A

dd a

new

Flu

id P

acka

ge

Page 19: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s16

1

7-Se

lect

the

Peng

Rob

inso

n or

SRK

equ

atio

n of

stat

e fr

om P

rope

rty

Pack

age.

8-C

lose

the

Flu

id P

acka

ge b

y cl

icki

ng o

n cr

oss

butto

n. A

fter

this

ste

p, i

t is

pos

sibl

e to

im

port/

expo

rt th

e Fl

uid

Pack

age.

G

o to

the

Reac

tion

butto

n.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

162

9-G

o to

the

Add

Rxn

butto

n to

ent

er th

e re

actio

n da

ta.

10-S

elec

t the

Equ

ilibr

ium

Rea

ctio

n an

d th

en c

lick

on th

e ad

d Re

actio

n.bu

tton.

Page 20: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s16

3

11-G

o to

Lib

rary

pag

e an

d se

lect

am

mon

ia r

eact

ion

from

libr

ary

and

clic

k on

Add

Lib

rary

Rx

n bu

tton.

12-

The

reac

tion

info

rmat

ion

will

be

auto

mat

ical

ly a

dded

to th

e St

oich

iom

etry

pag

e.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

164

13-I

n K

eq p

age

equi

libriu

m d

ata

for t

he a

mm

onia

reac

tion

coul

d be

seen

.

14-C

lose

the

activ

e w

indo

w.

The

reac

tion

Rxn-

1 is

add

ed.

Add

a re

actio

n se

t by

clic

king

on

the

Add

Set b

utto

n.

Page 21: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s16

5

15-I

n th

e Ac

tive

List,

sel

ect R

xn-1

from

the

drop

dow

n m

enu.

Che

ck m

ark

the

set a

nd c

lose

th

e ac

tive

win

dow

.

16-C

lick

on th

e Ad

d FP

but

ton

(Thi

s mak

es th

e re

actio

n ac

cess

ible

for s

imul

atio

n).

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

166

17-C

lick

on A

dd S

et to

Flu

id P

acka

ge B

utto

n.

18-T

he B

asis

-1 p

rope

rty m

odel

is

now

add

ed t

o th

e Fl

uid

Pack

age.

Th

en E

nter

to

Sim

ulat

ion

Envi

ronm

ent.

Page 22: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s16

7

19-D

rag

a m

ater

ial s

tream

to th

e PF

D, c

lick

on s

tream

and

ent

er th

e te

mpe

ratu

re, p

ress

ure

and

mol

ar fl

owra

te in

the

Wor

kshe

et/C

ondi

tions

Pag

e.

20-S

ave

the

sim

ulat

ion

wor

k (e

.g.,

pro

blem

-3).

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

168

21-E

nter

the

mol

e fra

ctio

ns o

f th

e co

mpo

nent

s in

Wor

kshe

et/C

ompo

sitio

n pa

ge. C

lick

OK

and

clos

e th

e ac

tive

win

dow

to re

turn

to P

FD.

22-T

he s

tream

pro

perti

es c

an n

ow b

e ca

lcul

ated

(se

en i

n th

e W

orks

heet

Pro

pert

ies

page

).

Item

s in

blue

and

bla

ck in

dica

te u

ser-d

efin

ed a

nd c

alcu

late

d pr

oper

ties,

resp

ectiv

ely.

Page 23: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s16

9

23-S

elec

t an

equi

libriu

m re

acto

r fro

m th

e O

bjec

t Pal

ette

and

dra

g it

to th

e PF

D.

24-

Dou

ble

clic

k on

th

e re

acto

r an

d en

ter

inle

t, ou

tlet

and

ener

gy

stre

am

in

the

Des

ign/

Con

nect

ions

pag

e.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

170

25-G

o to

the

Reac

tions

pag

e an

d se

lect

a re

actio

n se

t fro

m th

e Re

actio

n Se

t dro

p do

wn

men

u.

26-I

n th

e W

orks

heet

pag

e, e

ither

ent

er te

mpe

ratu

re o

f one

of o

utle

t stre

ams

or d

efin

e du

ty o

f he

at st

ream

. En

ter t

empe

ratu

re fo

r the

vap

or o

utle

t stre

am.

Page 24: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s17

1

27-I

n Re

actio

n Re

sults

pag

e, th

e co

nver

sion

per

cent

bas

ed o

n ni

troge

n co

uld

be se

en.

28-N

ow, t

he re

acto

r is s

imul

ated

.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

172

Prob

lem

4 H

eat E

xcha

nger

A

sat

urat

ed v

apor

stre

am o

f al

kene

s (3

6% n

-but

ane,

34%

n-h

exan

e, 3

0% n

-oct

ane

in w

t. pe

rcen

t) en

ters

to th

e sh

ell o

f a h

eat e

xcha

nger

at 1

000

kPa

with

mas

s flo

w ra

te o

f 100

kg/

hr.

The

cool

ing

wat

er a

t 20

ºC is

use

d to

rem

ove

the

heat

from

this

stre

am, w

here

its t

empe

ratu

re

shou

ld n

ot b

e hi

gher

than

50

ºC in

the

outle

t of t

he h

eat e

xcha

nger

. C

alcu

late

the

min

imum

m

olar

flow

rate

of c

oolin

g w

ater

so

that

the

tem

pera

ture

of a

lken

es s

tream

to b

e 60

ºC in

the

outle

t of h

eat e

xcha

nger

. C

hoos

e th

e W

eigh

ted

mod

el fo

r the

hea

t exc

hang

er s

imul

atio

n w

ith

no p

ress

ure

drop

s in

both

side

s.

Page 25: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s17

3

Solu

tion:

Follo

w th

e st

ep-b

y-st

ep in

stru

ctio

ns to

solv

e th

e pr

oble

m.

1-O

pen

a ne

w c

ase.

2-A

dd a

new

com

pone

nt li

st.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

174

3-Se

lect

the

com

pone

nts

from

the

Com

pone

nts

list

and

then

clo

se t

he a

ctiv

e w

indo

w b

y cl

icki

ng o

n cr

oss b

utto

n (a

ll pr

oces

s com

pone

nts s

houl

d be

ent

ered

in th

is st

ep).

4-Th

e cr

oss

butto

n is

not

see

n on

the

figur

e an

d yo

u co

uld

mov

e th

e ac

tive

win

dow

to s

ee

the

cros

s but

ton

in o

rder

to c

lose

it.

Page 26: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s17

5

5-Se

lect

the

Flui

d Pa

ckag

e (M

ake

sure

sele

ctin

g C

ompo

nent

Lis

t -1i

n th

e co

mpo

nent

list)

.

6-A

dd a

new

Flu

id P

acka

ge.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

176

7-Se

lect

the

Peng

Rob

inso

n or

SRK

equ

atio

n of

stat

e fr

om P

rope

rty

Pack

age.

8-C

lose

the

Flu

id P

acka

ge b

y cl

icki

ng o

n cr

oss

butto

n. A

fter

this

ste

p, i

t is

pos

sibl

e to

im

port/

expo

rt th

e Fl

uid

Pack

age.

Th

en e

nter

to S

imul

atio

n En

viro

nmen

t.

Page 27: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s17

7

9-D

rag

a m

ater

ial s

tream

to th

e PF

D a

nd c

hang

e its

nam

e to

Hot

-in, t

hen

ente

r its

vap

or

frac

tion,

pre

ssur

e an

d m

olar

flow

rate

in th

e W

orks

heet

/Con

ditio

ns P

age.

10-S

ave

the

sim

ulat

ion

wor

k (e

.g.,

pro

blem

-4).

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

178

11-I

n th

e W

orks

heet

/Com

posit

ion

page

, ent

er m

ass

fract

ion

of th

e co

mpo

nent

s, cl

ick

OK

and

cl

ose

the

activ

e w

indo

w to

retu

rn to

PFD

.

12-D

rag

anot

her

stre

am to

the

PFD

and

cha

nge

its n

ame

to H

2O-in

, ent

er it

s te

mpe

ratu

re,

pres

sure

in th

e W

orks

heet

/Con

ditio

ns p

age.

Page 28: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s17

9

13-I

n th

e W

orks

heet

Com

posi

tion

page

, ent

er 1

for m

ole

fract

ion

of w

ater

and

0 fo

r the

rest

and

clic

k O

K a

nd c

lose

the

activ

e w

indo

w.

14-S

elec

t a h

eat e

xcha

nger

from

the

Obj

ect P

alet

te (F

4) a

nd d

rag

it to

the

PFD

.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

180

15-

Dou

ble

clic

k on

th

e he

at

exch

ange

r an

d en

ter

inle

t an

d ou

tlet

stre

ams

on

the

Des

ign/

Con

nect

ions

pag

e

16-I

n th

e D

esig

n/Pa

ram

eter

s pag

e en

ter 0

for p

ress

ure

drop

s of b

oth

sides

.

Page 29: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s18

1

17-

In th

e sa

me

page

cha

nge

the

heat

exc

hang

er m

odel

to W

eigh

ted

and

then

incr

ease

the

inte

rval

s to

50 to

impr

ove

accu

racy

.

18-I

n th

e D

esig

n/Sp

ecs p

age,

it is

seen

that

Deg

rees

of F

reed

om is

2.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

182

19-E

nter

60

ºC fo

r the

Hot

-out

tem

pera

ture

in th

e W

orks

heet

/Con

ditio

ns p

age.

20-I

t is s

een

in th

e D

esig

n/Sp

ecs p

age

that

the

Deg

rees

of F

reed

om a

re re

duce

d to

1.

Page 30: HYSYS tutorial

Tuto

rial

2R

eact

ors

&H

eatE

xcha

nger

s18

3

21-I

n th

e W

orks

heet

/Con

ditio

ns p

age,

ent

er 5

0 ºC

for H

2O-o

ut te

mpe

ratu

re.

22-I

t can

be

seen

in th

e D

esig

n/Sp

ecs p

age

that

the

Deg

rees

of F

reed

om a

re re

duce

d to

0.

Pro

cess

Sim

ulat

ion

usin

gH

YSYS

184

23-A

s se

en in

the

Wor

kshe

et/C

ondi

tions

pag

e, th

e m

inim

um fl

ow ra

te o

f the

coo

ling

wat

er is

ca

lcul

ated

to b

e 23

.16

kmol

e/hr

.

24-S

o th

e pr

oces

s is s

imul

ated

.