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HiTRAN
______________
PERFORMANCE
UPGRADES
NEW DESIGNS
INSTALLATION
LITERATURE
SEND ENQUIRY
FAQ
PROJECT REPORTS
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Reduces size, weight and cost of shell & tube exchanger
| Plant |
Oil refinery
|
| Service |
Catalytic
Cracking Plant
|
| Exchanger |
Heavy Cycle
Gas Oil (HCGO) Cooler
|
| Application |
To cool:
11.76kg/sec of HCGO from 138°C to 66°C using 40.8kg/s
water with inlet temperature 46°C.
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|
Plain Tube |
 |
|
HiTRAN®
Enhanced |
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| Design
Comparison |
Plain Tube |
HiTRAN®
Enhanced |
| TEMA
designation |
BEM |
BEM |
| Shell
diameter (mm) |
1524 |
689 |
| Number of
tubes |
1828 |
371 |
| Number of
tube passes |
8 |
1 |
| Tube
length (mm) |
6096 |
6096 |
| Length of
flow path (m) |
48.8 |
6.1 |
| Tube
diameter (mm) |
25.4 |
25.4 |
| Effective
surface area (m2) |
874 |
178.5 |
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| Performance
Details |
|
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| Prandtl
number (in/out) |
170
/ 3800 |
170
/ 3800 |
| Reynolds
number (in/out) |
306
/ 14 |
190
/ 8 |
| Overall
service coefficient (W/m2K) |
40 |
182 |
| Tubeside
coefficient (W/m2K) |
51 |
295 |
| Tubeside
pressure drop (kPa) |
70 |
70 |
| Benefits |
- Requires less than ¼ of
the effective heat transfer area.
- Achieves the same duty at the same pressure drop.
- Fluid residue time at
the wall is reduced.
- Risk of thermal
degradation fouling is lowered.
- Lowest cost option.
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Best
cost option engineering
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