Sometimes heat exchangers have to be used to deal with corrosive medium like sea water or salt water. Then Titanium has to be selected as the plate material to resist corrosion. These heat exchangers wew called Plate Heat Exchanger Used For Sea Water.
Case Show:
|
Design criteria |
Unit |
Fluid 1 |
Fluid 2 |
|
Description of the fluid |
Hot water from a closed heating loop |
Hot sea water (concentrated) |
|
|
Mass flow |
kg/h |
400'000 |
400'000 |
|
Density |
kg/m³ |
970 |
995-1080 |
|
Temperature inlet |
°C |
90 |
78,5 |
|
Temperature outlet |
°C |
83,5 |
85 |
|
Heat capacity |
kJ/(kgK) |
4,19 |
~4,19 |
|
Heat flow (design case) |
kW |
3036 |
|
|
Design pressure |
6 bara |
50 mbara (Vacuum, when cold and empty) |
|
|
Max. flow pressure drop |
mbar |
300 |
300 |
|
Design temperature |
°C |
110 |
100 |
In this case, we selected Titanium to guarantee safety for hot and concentrated sea water. Technical calculation is as below:
3D Modle and Drawing:
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