pinch spreadsheet try

8/19/2019 Pinch Spreadsheet Try

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es, stream properties and dTmin criteria.

type, min utility requirements.

pinch location.


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Input Data

() Select Input *et!od "rom t!e Dropdo+n list: %ass (lowrate )

,) Input #lobal dTmin & select input temperature units: &+

-) Select appropriate units "or t!e input data "rom t!e drop do+n lists belo+

2) Input data: Stream Name3 Temperatures & 4eat0Flo+ Data .ma5 /6 stream

/) Select desired output unit set: SIbased -/012

*ass Flo+rate

7C 7C 7C 8$0s 8908$& &345 66 7 4'.64+ &.3'

' 8++ 36+ 7 34.&3+ '.67

3 7+9 9' 7 34.&3+ 9.5&9 '7 '7+ 7 76.86+ &.+3

7 9' 37+ 7 8.37+ '.45

4 37+ 7++ 7 8.37+ 3.96

6 336 8++ 7 34.&3+ '.4

8 '7 '9' 7 4+.'++ 9.87

5 '9' '93 7 4+.'++ &695.94

&+ '93 7++ 7 4+.'++ '.'5

StreamName

SupplTemperature

Tar$etTemperature

dT *inContrib

Speci"ic 4eatCapacit


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pecific *eat Capacity

7C

.E(/0F(/1) "equires Input

:ptional Input

s1) Calculation cell

4eat Flo+

8; 7C 7C

&+6+33.9&99 *:T &349.+ 6'.+

9'6'3.6'7 *:T 657.+ 347.+

8&578.+&94 *:T 955.+ 36.+&39&&.36'7 C:;# 3+.+ '77.+

45&8.&9' C:;# 96.+ 377.+

9394.&67 C:;# 377.+ 7+7.+

93953.'59 C:;# 39'.+ 8+7.+

43376.95 C:;# 3+.+ '96.+

&+73&6.95' C:;# '96.+ '98.+

379'5.7+4 C:;# '98.+ 7+7.+

StreamTpe

SupplS!i"t

Tar$etS!i"t


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Problem Table & Cascade

Interal d4 In"easible Cascade Feasible Cascade


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4ot Pinc! 37


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4eat Flo+ $ctual Temperature -


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4eat Flo+ Shifted Temperature -


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Net 4eat FShifted Temperature -


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#rid Dia$ramInterval & ' 3 9 7 4 6 8 5 &+

mCp -/012 & 3 4 9

8 + 7

6 5 7

7 + 7

9 5 5

3 4 7

3 7 7

3 9 '

' 7 7

' 9 8

' 9 6

& &+6+33.9&9 8'.893' 4OT ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @

' 9'6'3.6'7 55.3767 4OT ? @ @ @ @ @ =

3 8&578.+&94 &66.3583 4OT ? @ @ @ @ @ @ @ @ @ @ @ @

9 &39&&.36'7 75.4+4& COLD A @ @ @ @

7 45&8.&9' ''.94&7 COLD A @ @ @ @ @ @ @ @

4 9394.&67 '8.5697 COLD A @ @ @ @ @ ?

6 93953.'59 53.538 COLD A @ @ @ @ @ @ @ @ @ @ @ ?

8 43376.95 '5&.56 COLD A

5 &+73&6.95' &+73&6.95' COLD A @ ?

&+ 379'5.7+4 &36.878 COLD A @ @ @ @ @ @ @ @ @ @ @ ?

Streamame

*eat (low-/2

ShiftedTemp -


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Stream ( , - 2 / > ? @ (6

*eat (low -/2 8'.893' 55.3767 &66.3583 75.4+4& ''.94&7 '8.5697 53.538 '5&.56 &+73&6.95' &36.878

Interal 4OT 4OT 4OT COLD COLD COLD COLD COLD COLD COLD

&345 ?& @

8++ @ ? A' @ @ @

7+9 @ @ ? @3 @ @ @ @

7++ @ @ @ A @ A9 @ @ @ @ @ @

36+ @ = @ @ @ @7 @ @ @ @ @

37+ @ @ A ? @ @4 @ @ @ @ @

336 @ @ @ ? @6 @ @ @ @

'7+ @ @ A @ @8 @ @ @ @ @

'93 @ @ @ @ A ?5 @ @ @ @ @

'9' @ @ @ @ A ?

&+ @ @ @ @ @66 = @ @ @ @&& @ @ @ @

9' = @ ? @&' @ @

'7 ? ?

Actual Temp.7C1


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Actual Interals Table

Actual Temperature d44ot 4ot Dut d4Cold


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Stream ( , - 2 / > ? @

mCp -/012 8'.893' 55.3767 &66.3583 75.4+4& ''.94&7 '8.5697 53.538 '5&.56 &+73&6.9

*eat (low -/2 &+6+33.9&99 9'6'3.6'7 8&578.+&94 &39&&.36'7 45&8.&9' 9394.&67 BBB 43376.95 &+73&6.9

Interal 4OT 4OT 4OT COLD COLD COLD COLD COLD COLD

&349 ?& @

8+7 @ A' @ @

S!i"ted Temp.7C1


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S!i"ted Interals Table

d44ot 4ot Dut d4Cold Cold Dut


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%arin$ dTmin #lobal

This sheet will set up a case study to report the pinch temperature and the min utility requirements for varyin

() Speci" dTmin $lobal ran$e)

%a dTmin &7


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g dTmin global values within a specified range.

Pinch Temperature -


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A() Calculation Basis and ConersionsDrop'Do+n Lists:

Select Input # Select !nits Select !nits

*eat Capacity g0s & E0g1 &

*eat #uty g0h 34++ E0g1 &+++

%ass (lowrate lb0min &3'.'663763& Ftu-IT20-lb.


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Temperature


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Output Data


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Mnglish

Target Temperature


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Input %eth #T%I Select !nit Chec !nit Stream a #ata Sup Temp Targ Temp Prim *eat

: ST"M : S!PP $"GMT T %$"N *M$





npuMrror

#etection

:S!PP;N

TM%P:

S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P


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:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:

S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:

S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P


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:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:

S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:S!PP;NTM%P

:

S!PP;NTM%P

:S!PP;NTM%P


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on numerical entry

Sec *eat supply target dtmincontri Prim *eat Sec *eat

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *


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#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *


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#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *

#$"N *


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A,) Plot Tables

Cold Composite S!i"t Cold Composite 4ot Composite S!i"t 4ot C

Shift Temp *eat ;oad Shift Temp


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B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$

B0$ B0$ B0$ B0$ B0$ B0$ B0$


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omposite #rand Composite

*eat ;oad

/


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B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$

B0$ B0$ B0$


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Stream & ' 3 9 7 4 6

mCp -1/012 8'.89 55.34 &66.9 75.4& ''.94 '8.56 53.59

*eat (low -1 &+6+33 9'6'9 8&578 &39&& 45&8 9394 93953

*ot *ot *ot Cold Cold Cold Cold

Interal T - C 2 T - C2

&345 &375&

8&+ 8++

'

8++ 65+

3

7&+ 7++

9

7+9 959

7

36+ 34+

4

34+ 37+

6

396 336

8

'4+ '7+

5

'73 '93

&+

'7' '9'

&&

66 46

&'

7' 9'

&39' 3'

&9

37 '7


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8 5 &+

'5&.56 &+73&6 &36.84

43376 &+73&6 3793+

Cold Cold Cold O -1/2

943+5.37

&&+.57

'7754.&8

96&.9'

&3'93.+'

7.'5

66.65

8453.'&

'8'.'&

&+7&35.3

&55&9.3'

95&7.58

&69&.68

'94&.+3


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4ot ? =

95&7.58 95&7.58

34377.7& = 2, =&69&.68 &69&.68

38+56.'8 = -, =

'94&.+3 '94&.+3

9+788.3' = ,/ =


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Final Pass Temperature . C1

9+778.3'

84846.46

84674.6'

&&'37'.5+

&&&88&.98

&'7&'9.7+

&'7&&5.'&

&'7&56.++

&3385+.''

&39&6'.93

'5+33.&&

5&&8.65

9'+'.8&

'94&.+3

+


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'93 '9' 66 9' '7

Pinch - C2 Pinch - C2

37 37 utility

37 37 done

37 37 8796

37 37 &4&3

37 37 done 93+8

!tilities

37 37 done & - Cooling2

' - Cooling2

37 37 done 3 - *eating2

9 - *eating2

'7 '7 done 7 - *eating2

'7 '7 done

'7 '7 done

'7 '7 Pinch %atche

&

'7 '7 done '

3

'7 '7 &+73&6 9

7

'7 '7 4

68

5

Q

11

2

1

6

87

9

1


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