User Guide
|
Plate Type Heat Exchangers, Single plate & Semi-welded - Installation, Commissioning and Maintenance
© Danfoss | DCS (ms) | 2019.07
BC172686461130en-000201 | 5
General
(continued)
Each heat exchanger comes with a data list
specifying key components and relevant
Datalist (example)
Drawing (example)
Calculated parameters
Unit
Ref Side
Brine Side
Flow Type
Co-Current
Load
kW
350,00
Inlet temperature
°C
-7,59
-1,00
Evaporating temperature
°C
-8,00
SuperHeating
K
0,00
Outlet temperature
°C
-8,00
-5,00
Inlet/Outlet quality
0,000/0,667
Mass flow rate
kg/h
1464,4
83899,1
Volumetric flow rate
L/min
1346,458
Total pressure drop
kPa
5,03
93,71
Pressure drop - In port
kPa
0,63
5,20
Total area
m2
26,60
Surface margin
%
8,7
LMTD
K
4,48
HTC(Available / Required)
W/m2-K
3189/2935
Heat flux
kW/m2
13,158
Abs.Evaporating pressure
bar
3,15
Port velocity
m/s
0,09(Inlet)/15,22(Outlet)
3,23
Shear stress
Pa
5,41
109,07
Properties of fluid
Unit
Ref Side
Brine Side
Fluid
Ammonia
Ethylene glycol(25,00%)
Liquid viscosity
mPa-s
0,1855
3,6207
Liquid density
kg/m3
649,1
1039,1
Liquid heat capacity
kJ/kg-K
4,575
3,755
Liquid thermal conductivity
W/m-K
0,583
0,451
Vapor viscosity
mPa-s
0,0088
Vapor density
kg/m3
2,6
Vapor heat capacity
kJ/kg-K
2,570
Vapor thermal conductivity
W/m-K
0,023
Specification:
Unit
Ref Side
Brine Side
HEX Type:
–
SW40A-72-TM
Number of plates:
–
72
Max.number of plates in current frame:
–
84
Grouping:
–
(35TM)/(36TM)
Plate thickness / material:
–
0,5mm / EN1.4301(AISI304)
Main Gasket / Ring Gasket:
–
NITRIL HT (H) / CHLOROPRENE
Connection:
–
DN 100 Flange cl. AISI316 PN16
DN 100 Flange cl. AISI316 PN16
Counter Flange
–
Yes
Yes
Frame type / color:
–
C2L / RAL3020
Certification/Approval type:
–
PED
Volume:
L
26,28
28,7
Weight:
kg
253,74
Min. wall temperature
°C
-7
-6,56
Design Temp. (Max/Min):
°C
50/-12
Design Pressure(Max) Ref./Brine:
bar
16/16
Customer:
Contact person:
Project:
E-mail:
HEX Type:
SW40A-72-TM
Engineer:
IR
Unit:
1 (Parallel)
Code:
–
Date:
04-03-2019 16:28:08
accessories as per specific customer order, heat
exchanger dimensions, and an assembly drawing.
Fig. 2. Standard documentation datalist and drawing (examples)
