large gasket free heat exchangers - savings and considerations kongresas/39... · 2019. 1. 11. ·...
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Large Gasket Free Heat Exchangers -
Savings and Considerations
April 28, 2015
Pär Björkman, SWEP International AB
Segment Manager District Energy
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23 46 70 100 118 150192
246302
492
B50 B427 B439 B439 B633 B649 B649 B649 B649 2XB649
1 2 3 4 5 6 8 10 12 20
m2
Development and current reach
Header Stations Pressure BreakersGlycol Breakers /
Intermidiary HEX District Cooling
M
W
LMTD 5K
120/90 85/115
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From Small to XXL
E5TDimensions:
72 x 187 mm
2.84 x 7.45 in
E8TDimensions:
73 x 315 mm
2.84 x 7.45 in
B10TDimensions:
117/119 x 287/289
mm, 4.61/4.68 x
11.31/11.37 in
B12Dimensions:
117 x 287 mm
4.61 x 11.31 in
B15Dimensions:
72 x 465 mm
2.84 x 18.32 in
B16Dimensions:
119 x 376 mm
4.69 x 14.8 in
B25TDimensions:
117/119 x 524/526
mm
4.61/4.68 x
20.65/20.71 in
B28Dimensions:
119 x 526 mm
4.69 x 20.72 in
B35Dimensions:
243 x 393 mm
9.57 x 15.48 in
B56Dimensions:
243 x 525 mm
9.57 x 20.69 in
B57Dimensions:
243 x 693 mm
9.57 x 27.30 in
B60Dimensions:
364 x 374 mm
14.34 x 14.74 in
B120TDimensions:
243 x 525 mm
9.50 x 20.65 in
B427Dimensions:
304 x 694 mm
11.97 x 27.32 in
B80Dimensions:
119 x 526 mm
4.69 x 20.72 in
B649Dimensions:
1232 mm x 537 mm
48.5 x 21.14
B439Dimensions:
304 X 979 mm
38.57 x 11.98 in
B50Dimensions:
243 x 525 mm
9.50 x 20.65 in
B633Dimensions:
830 X 537 mm
32.68 x 21.14 in
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Gasket Free BPHE vs PHEBPHE advantage
Size - Large BPHE Units occupies less than half the footprint of corresponding PHEs.- A PHE weights at least twice as much
Operational reliability
- Elimination of gaskets ensures unparalleled up-time and maintenance costs. - Fixed plate package means stable performance
Maintenance need and LCC
No gaskets or studbolt mean no maintanance for tightening plate package or servicing gaskets
Every unit is factory assembled and helium tested
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At least 50% reduced weight and footprint
Installation in China, corresponding units
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Savings compared PHE
0
1
2
3
4
5
6
7
8
9
60 80 100 120 140 160
5 bar 10 bar 15 bar 20 bar
Temp
Years
• District Heating PHE 1800 kW
• Price for exchange of gaskets:
€ 7500 (Pending)
• District Heating BPHE 1800 kW
• Price for a new BPHE: €5800
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MODULAR CONCEPTS OFFERINGS WITH BPHE
Redundancy
• N + 1 is simply one more module rather than an additional
separate PHE
• Saves space, investment cost and less risk of total failures
B649 makes increased redundancy possible to a lower cost and footoprint!
Example 540 TR
• Traditional Design:
– 540+540 = 1080 TR
– If one unit fails: 540 TR is available
– If 2 units fail: System down!
• N+1 Design:
– 270+270+270 = 810 TR
– If 1 unit fails: 540 TR is available
– If 2 units fails: 270 TR available
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Capacity extension to 3000 kW – B65Lx196 to B65Lx218
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In an ideal world...
In some markets..
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CIP Cleaning of BPHE
No suitable valves:- Dismounted- Cleaned
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CIP Cleaning Results
B16x50
B56x100
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Stadtwerke Dresden GmbH
• 5xB649 a 9 MW + 1xB649
a 4 MW, PN25
• „The main advantage of a
BPHE is the compact
design..
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13MW - Installation
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1200 kW RIVER FREE COOLING – B649Mx350
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QUICK INSTALLATION THROUGH STANDARD DOORS
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STANDARD HAND TRUCK INSTALLATIONS
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Gothenburg Opera
Lomma Harbour
Globen
Stockholm
SWEP BPHEs are used in all capacity ranges covering small flat stations to substations to large DC installations
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Hammarby Sjöstad
Stockholm
Eriksberg
Göteborg
Ekparken, Lidingö
StockholmKista, Stockholm
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People’s Hall of China, Beijing:
- District Heating installation since late
90’s
- 6 BPHEs connected in parallell
supplying spce heating to the building
complex
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Genyuan International Center, China
• The Genyuan International Center is
situated in east China.
• SWEP's BPHEs are used for:
– Centralized heating & tap water
– District Cooling
– Free cooling
– Pressure breaker
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Karolinska Hospital, Stockholm
• The design and construction of Nya Karolinska
Sjukhuset (NKS) started 2010 and the first
phases were equipped with the traditional
Gasketed Plate Heat Exchanger (PHEs)
• Operational dependability and low Life Cycle cost
was a determining factor to go for BPHEs
• In phase 4 & 5 at total of 150 SWEP BPHEs have
been supplied so far.
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Thank You!