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HEAT_ EXCHANGERS_ In_Saudi_Aramco.pdf
Heat Exchanger Saudi AramcoDescription complète...
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Mohammad Sajid Alam
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HEA T EX C HA N G ERS HEA I N SA UDI A RA M C O
O C M A R A I D U A S N I S R E G N A H C X E T A E H
2
OUTLINE • •
Heat Exc xcha hange nger rs Typ ype es
• •
Saudi Ar Aramc mco Exper ience e mco Expe xperienc
• •
New Development
O C M A R A I D U A S N I S R E G N A H C X E T A E H
3
Main Types of Heat Exchangers Used in Saudi Aramco Shell-and-tube
• •
Air-cooled
• •
Plate-and-frame
• •
Double-pipe
• •
Shellside O C M A R A I D U A S N I S R E G N A H C X E T A E H
4
Flow In Tubeside Flow Out Shell
Tube Bundle
Shellside Flow Out Tubeside Flow In
Shell-and-Tube Heat Exchanger
O C M A R A I D U A S N I S R E G N A H C X E T A E H
5
Design Standards for Shell-and-Tube Heat Exchangers 32-SAMSS-007
• •
SAES-E-004
• •
ASME Pressure Vessel Code
• •
TEMA Standard
• •
API-660
• •
O C M A R A I D U A S N I S R E G N A H C X E T A E H
Tube Bundle
Inlet Nozzles
Inlet Headers Outlet Headers Outlet Nozzles
Supports
Fan
Plenum Fan Ring
Drive Assembly
Air-Cooled Heat Exchanger 6
Return Header(s)
O C M A R A I D U A S N I S R E G N A H C X E T A E H
7
Design Standards for Air-Cooled Heat Exchangers
SAES-E-007
• •
32-SAMSS-011
• •
ASME Boiler and Pressure Vessel Code
• •
API 661
• •
O C M A R A I D U A S N I S R E G N A H C X E T A E H
8
Plate-and-Frame Heat Exchanger
O C M A R A I D U A S N I S R E G N A H C X E T A E H
9
Design Standards for Plate & Frame Heat Exchangers
SAES-E-0014
• •
32-SAMSS-019
• •
ASME Boiler and Pressure Vessel Code
• •
API 662
• •
O C M A R A I D U A S N I S R E G N A H C X E T A E H
10
Double Pipe Heat Exchanger
O C M A R A I D U A S N I S R E G N A H C X E T A E H
11
Design Standards for Double Pipe Heat Exchangers
SAES-E-006
• •
32-SAMSS-028
• •
TEMA
• •
ASME Boiler and Pressure Vessel Code
• •
API 660
• •
O C M A R A I D U A S N I S R E G N A H C X E T A E H
12
Saudi Aramco Experience • •
Under-rated heat exchanger
• •
High pressure drop
• •
Insufficient thermal capacity
• •
Flow induced vibration
• •
Fouling
O C M A R A I D U A S N I S R E G N A H C X E T A E H
13
O C M A R A I D U A S N I S R E G N A H C X E T A E H
14
O C M A R A I D U A S N I S R E G N A H C X E T A E H
15
O C M A R A I D U A S N I S R E G N A H C X E T A E H
16
O C M A R A I D U A S N I S R E G N A H C X E T A E H
17
O C M A R A I D U A S N I S R E G N A H C X E T A E H
18
O C M A R A I D U A S N I S R E G N A H C X E T A E H
19
New Development • •
Twisted Tube Heat Exchanger
• •
Helically Baffled Heat Exchanger
• •
Welded Plate Heat Exchanger
• •
Twisted Blade for ACHE
• •
Self Cleaning Heat Exchanger
• •
Ball Cleaning Heat Exchanger
• •
Heat Exchanger Tube Coating
O C M A R A I D U A S N I S R E G N A H C X E T A E H
20
Twisted Tube Heat Exchanger • •
Less fouling tendency in both sides
• •
No Flow Induced Vibration tendency
• •
High thermal efficiency
O C M A R A I D U A S N I S R E G N A H C X E T A E H
21
Helically Baffled Heat Exchangers • •
Low pressure drop in the shell side
• •
Less fouling tendency in the shell side
• •
Less Flow Induced Vibration tendency
• •
High thermal efficiency
O C M A R A I D U A S N I S R E G N A H C X E T A E H
22
Welded Plate Heat Exchanger • •
High thermal efficiency
• •
Compact
• •
Less fouling tendency
O C M A R A I D U A S N I S R E G N A H C X E T A E H
23
Twisted Blade for Air Cooled Heat Exchangers • •
More air flow
• •
Smaller plot space for the air cooler
O C M A R A I D U A S N I S R E G N A H C X E T A E H
Self Cleaning Heat Exchanger Outlet Outlet channel Separator (cyclone) Inlet Support
Solids Downcomer
Outlet Control channel
Inlet channel with distribution system
24
Discharge solids
Inlet
O C M A R A I D U A S N I S R E G N A H C X E T A E H
25
Ball Cleaning S ystem For Sea Water Service System Debris Filter
Strainer
O C M A R A I D U A S N I S R E G N A H C X E T A E H
26
Heat Exchanger Tube Coating
O C M A R A I D U A S N I S R E G N A H C X E T A E H
27
THANKS
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