Question

HE 6 CP(KW/K) HE 1 PINCH HE 4 180°C 150°C 40°C H1 2.0 HE 2 HE 3 HE 5 150°C H2 40°C 4.0 180°C 140°C 160 KW 60°C 3.0 H 40 KW 80 KW 120 KW 60 KW 60 KW 130°C C1 30°C C2 2.6 120 KW 140 KW Figure 2 By using process stream data provided in Figure 2, i) Determine any improvement steps that can be made in order to reduce the number of heat exchanger units for the design in Figure 2. [4 mark]

          HE 6
CP(KW/K)
HE 1
PINCH
HE 4
180°C
150°C
40°C
H1
2.0
HE 2
HE 3
HE 5
150°C
H2
40°C
4.0
180°C
140°C
160 KW
60°C
3.0
H
40 KW
80 KW 120 KW
60 KW
60 KW
130°C
C1
30°C
C2
2.6
120 KW
140 KW
Figure 2
By using process stream data provided in Figure 2,
i) Determine any improvement steps that can be made in order to reduce the number of heat
exchanger units for the design in Figure 2.
[4 mark]

HE 6
CP(KW/K)
HE 1
PINCH
HE 4
180°C
150°C
40°C
H1
2.0
HE 2
HE 3
HE 5
150°C
H2
40°C
4.0
180°C
140°C
160 KW
60°C
3.0
H
40 KW
80 KW 120 KW
60 KW
60 KW
130°C
C1
30°C
C2
2.6
120 KW
140 KW
Figure 2
By using process stream data provided in Figure 2,
i) Determine any improvement steps that can be made in order to reduce the number of heat
exchanger units for the design in Figure 2.
[4 mark]

Added by Amanda R.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Gregory Devenport

Step 1

Identify the heat exchanger units in the design: - HE1, HE2, HE3, HE4, HE5, HE6 Show more…

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HE1 PINCH 150 HE4 HE6 CP (KW/K) 180Â°C 40Â°C 2.0 HE2 HE3 HE5 150Â°C H2 40Â°C 4.0 180Â°C 140 160 KW 0.09 3.0 C1 40 KW 80 KW 120 KW 30Â°C 2.6 130Â°C C2 120 KW 140 KW 60 KW 60 KW Figure 2 By using process stream data provided in Figure 2, i Determine any improvement steps that can be made in order to reduce the number of heat exchanger units for the design in Figure 2. [4 marks]