heat transfer -2
TRANSCRIPT
Heat Transfer Equipment Heat Exchangers Boilers Process Fired Heaters
Heat Exchangers
Shell and Tube Heat Exchanger
Shell and Tube Heat Exchanger DetailsShellside Flow In Tubeside Flow Out Shell
Tube Bundle
Shellside Flow Out Tubeside Flow In
Shell and Tube Heat ExchangerShell Outlet Channel Inlet
Channel Outlet
Shell OutletSINGLE SEGMENTAL TRANVERSE BAFFLES
Shell and Tube Heat ExchangerShell Inlet
Shell Outlet
Double Segmental Transverse Baffles
Shell and Tube Heat Exchanger
Doughnut and Disc Type Baffles
Air Cooled Heat Heat Exchanger
Hood or Plenum
Fan Ring
Fan Inlet NozzlesReturn Headers Inlet Headers
Outlet Headers Outlet Nozzles
Tube Bundle Drive Assembly
Supports
Double Pipe Heat Exchanger
Shell Cover Gasket Vent Shell Cover Shell
External Fin Pipe
Return Bend (welded)Drain Sliding Support Twin Flange Fixed Support
Shell End Piece
Plate and Frame Heat Exchanger8 5 3 2 10 6 4
9
1
7 1
Tube Bending Shell and Tube Heat Exchanger
Tube Failure Shell and Tube Heat Exchanger
Fouling in Shell and Tube Heat Exchanger
Boilers
Fired Tube Boiler
Industrial Boiler
Packaged Boiler
Steam Drum
Burners
Mud Drum
Heat Recovery Steam Generator
10
2 3 4 1 5 6 7 8 9
1. 2. 3. 4. 5.
Gas Turbine Dump Stack Bypass Damper Boiler Shut-Off Damper Supplemental Burner
6. 7. 8. 9. 10.
Superheater Boiler Section Downcomers Economizer Steam Drum
With permission from Henry Vogt Machine Company
To Exhaust Stack
Utility BoilerSteam Drum
BoilerSuperheater Mud Drum Economizer
AirAir Heater Steam Coil Air Heater To Stack Burners
AirGas Outlet
GasForced Draft Fan
Induced Draft FanWith Permission from Babcock and Wilcox
Process Fired Heaters
Different Process Heater Designs
C. Cabin Furnace with Horizontal Tube Coil
A. Box Furnace with Arbor Coil B. Vertical Cylindrical Furnace with Helical Coil
D. Box Furnace with Vertical Tube Coil
E. Vertical Cylindrical Furnace with Vertical Coil
F. Box Furnace with Horizontal Tube Coil
Convection Coil
Radiant Coil
Burners
Burners
Cabin with Convection Section
Cabin with Dividing Bridgewall
Process Fired Heater
Serrated Fins
Studs
Solid Fins
Extended Surface Area
Draft ProfileStack
0
Damper Hood Corbel Convectio n Section
Shield TubesOpen Damper
Radiant Section
Closed Damper
BurnersSecondary air registers
6
4
2
0
+2
+4
Typical fired heater is shown in cross-section
Pressure in inches of Water Relative to Atmospheric Pressure
Rro rdo rm di ri
BulkFluid Temperature Inside Fluid
Temperature
Outside Fluid
Bulk Fluid Temperature
Tube Wall Outside Fouling (Scale)
Inside Film Inside Fouling (Scale)
Outside Film
Resistance to Heat Transfer
Tubewall
Deposit Layer Film
Tube Metal Temperature
800F 785F766F Inside Tube Temperature 730F Film Temperature 700F Fluid 600F 520F Bulk Fluid Temperature
500F
Temperature Profile in Heat Transfer
18 psig 52
D-124
D-103
Offgas To Refinery Collection System To Whole Naphtha Stabilizer
41Steam No. 1 S/C
32 C-100 Atmospheric ColumnSteam No. 2 S/C
24Steam No. 3 S/C C-200 Vacuum Column No. 4 S/C
D-102 Flash Drum
To Vacuum Overheat System
17 10 6Steam
F-100 A/B Crude Atmospheric Preheat Furnaces Steam Exchangers
5 1
26 psig 12 8 6
No. 6 S/C
No. 7 S/C No. 8 S/C
Crude
F-200 A/B Vacuum Furnaces Crude Desalter Preheat Exchangers Water Injection Steam to Radiant Coils Steam
Desalter Water
5 1
2 psia
Vacuum Residuum
Crude Unit - Ras Tanura Refinery
Thanks