Download - Heat Exchanger Piping
TRAINING MANUAL- PIPING
PIPING STUDYHEAT EXCHANGER PIPING
Uhde India Limited
DOC No. : 29040-PI-UPS-1004
Rev. : R0
Page : 1
CONTENTS
Page
0.0 Cover Sheet 1
List of drawings 2 - 3
1.0 Introduction 4
2.0 Location 4 - 5
3.0 Access for Operation & Maintenance 5
4.0 Key Words 6
5.0 Steps to do Heat Exchanger Piping 6 - 7
6.0 Heat Exchanger Piping 7 - 8
Applicable Revision:Prepared:
Date:
Checked:
Date:
Approved:
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Checked: TNG
Date:
Approved: RUD
Date:File Name: Server: PUNE: KUMUS 207 VKO: KUMUS 209
TRAINING MANUAL- PIPING
PIPING STUDYHEAT EXCHANGER PIPING
Uhde India Limited
DOC No. : 29040-PI-UPS-1004
Rev. : R0
Page : 2
SR.NO. DWG.NO. DESCRIPTION
1 HEP1 EXCHANGER APPLICATION SHOWN ON A PROCESS FLOWDIAGRAM
2 HEP2 SHELL AND TUBE HEAT EXCHANGER WITH REMOVABLE TUBEBUNDLE
3 HEP3 SAMPLE OF TUBE AND SHELL EXCHANGER PASSES
4 HEP4 TYPES OF EXCHANGER : SHELL & TUBE, PLATE TYPE & AIRCOOLER EXCHANGER
5 HEP5 AIR COOLER EXCHANGER CONSTRUCTION DETAILS
6 HEP6 TYPICAL PLOT PLAN OF SEVERAL EXCHANGER APPLICATION
7 HEP7 ARRANGEMENT OF EXCHANGERS AND OPERATING SPACEBETWEEN PIPING
8 HEP8 SAMPLE EXCHANGER ORIENTATION
9 HEP9 SAMPLE SINGLE & PAIRED EXCHANGER/PARALLEL & SERIESINSTALLATIONS
10 HEP10 STACKED EXCHANGER INSTALLATION
11 HEP11 SAMPLE STRUCTURE MOUNTED EXCHANGER INSTALLATION
12 HEP12 TOWER SUPPORTED VERTICAL INSTALLATION & TUBE BUNDLEMAINTENANCE
13 HEP13 STRUCTURE SUPPORTED VERTICAL INSTALLATION
14 HEP14 CONTROL AND OPERATOR ACCESS FOR A PLATE TYPE HEATEXCHANGER
15 HEP15 TYPICAL COLUMN SUPPORTED AIR COOLER ARRANGEMENT
16 HEP16 TYPICAL FIXED PLATFORM AIR COOLER ARRANGEMENT
17 HEP17 ALLOWABLE NOZZLE CONFIGURATIONS
18 HEP18 EFFECT OF ELBOW NOZZLES ON STACKED EXCHANGERS
19 HEP19 ALTERNATE AIR COOLER NOZZLE CONFIGURATIONS
20 HEP20 PIPING TO NOZZLES OF HEAT EXCHANGERS
21 HEP21 ALTERNATE ARRANGEMENTS FOR LOCATING EXCHANGERNOZZLES
22 HEP22 PIPING ARRANGEMENT FOR HORIZONTAL SHELL AND TUBEEXCHANGERS
23 HEP23 SUPPORTS FOR PIPING ARRANGEMENT
24 HEP24 PIPING ARRANGEMENT FOR UNDERGROUND COOLING WATERSYSTEM
25 HEP25 PIPING ARRANGEMENT FOR STEAM AND CONDENSATE SYSTEM
TRAINING MANUAL- PIPING
PIPING STUDYHEAT EXCHANGER PIPING
Uhde India Limited
DOC No. : 29040-PI-UPS-1004
Rev. : R0
Page : 3
26 HEP26 PIPING ARRANGEMENT FOR HORIZONTAL AND VERTICAL REBOILER
SR.NO. DWG.NO. DESCRIPTION
27 HEP27 PIPING ARRANGEMENT FOR HIGH TEMPERATURE & PRESSUREFEED EXCHANGERS
28 HEP28 PIPING ARRANGEMENT FOR FEED EXCHANGERS
29 HEP29 PIPING ARRANGEMENT FOR SPIRAL EXCHANGERS
30 HEP30 PIPING ARRANGEMENT FOR PLATE EXCHANGERS
31 HEP31 OVERHEAD PIPING ARRANGEMENT FOR A CONDENSING AIRCOOLER
TRAINING MANUAL- PIPING
PIPING STUDYHEAT EXCHANGER PIPING
Uhde India Limited
DOC No. : 29040-PI-UPS-1004
Rev. : R0
Page : 4
1.0 INTRODUCTIONHeat Exchangers are widely used equipments in the chemical, petrochemical and refinery type ofplant. The control of heat within a plant operation is done by direct heat application in a furnace, orby heat exchange in a shell and tube exchanger / plate heat exchanger. Types of heat exchangermay be Shell and Tube, Aircooled (Fin-Fan), Plate type or Coil type(spiral).
1.1 Various process duties of heat exchanger have an effect on the layout aspects viz.a. Exchange of sensible heat between two process fluids.b. Cooling with air or water.c. Chilling with refrigerated liquid.d. Heating with steam or hot water.e. Condense by water or a cold process stream.f. Vapourising by steam (e.g. column reboiler) or any heat transfer liquid.
1.2 - Fixed tube exchangers are used when the temperature differences between shell side and tubeside fluid are small.
- Floating head or U-type exchangers are used where there is a significant temperaturedifference.
- Kettle -type reboilers are used for evaporation in case of limiting pressure drop, otherwisevertical reboilers are used for evaporation.
- Plate heat exchangers are generally used in low-pressure, low temperature applications. Theplate exchanger occupies less space than shell and tube exchanger for equivalent heatexchanger surface.
- Aircoolers are used for overhead condensers of column and consist of fin-tube bundles with aheader box to each end, having inlet on top of header-box at one end and outlet on bottom ofheader box at the other end.
1.3 Various types of heat exchangers with application are illustrated in the schematic flow diagramHEP1. The various parameters applied to heat exchangers are illustrated in Fig., HEP2, HEP3,HEP4 & HEP5.
1.4 For single pass arrangement of air-cooler exchangers, inlet nozzles are mounted on the top of theheader box and the outlet nozzles are located at the opposite end and mounted on the bottom of theheader box. For double pass arrangement, the inlet and outlet nozzles are located at the same end.
2.0 LOCATION
Exchangers should be located close to the major equipment with which it is associated in PFD /P&ID. Reboilers are placed next to their respective towers and condensers are placed over refluxdrums. Exchangers between two distant pieces of process equipment should be placed at optimalpoints in relationship to piperacks.
Most exchangers are to be located at grade level with elevations to have a clearance of 1m aboveFinished Ground Level (FGL). Elevated exchangers may be necessary to fulfill the NPSHrequirement of a downstream centrifugal pump.
In case of large numbers of heat exchangers, they are grouped in one or more category to savepipe work, structural work, provision of lifting and maintenance facilities, platform requirement etc.Paired or grouped exchnagers shall be spaced to allow minimum 450mm preferrably 600mmbetween the outside of adjacent channel or bonnet flanges to facilitate access to flange bolts during
TRAINING MANUAL- PIPING
PIPING STUDYHEAT EXCHANGER PIPING
Uhde India Limited
DOC No. : 29040-PI-UPS-1004
Rev. : R0
Page : 5
maintenance. Adequate space shall be provided on either side of paired exchanger and at bothends of grouped exchanger for control and operator access as illustrated in Fig.HEP9.Groups of exchangers should be generally located by the alignment of channel nozzles in a verticalplane so as to present an aesthetic appearance.
The support saddle with oblong holes for provision of thermal expansion are normally located on thesaddle farthest from the channel end but the final location depends on the plant layout and the stressanalysis of the connected piping.
Exchanger piping should be as direct and simple as possible by considering alternatives such asarranging exchangers side by side / stacking them for reversing flows.
Exchangers are sometimes mounted on structures, process columns and other equipment.Special arrangements for maintenance and tube cleaning should be provided in such cases.
3.0 ACCESS FOR OPERATION & MAINTENANCE
Internals of heat exchanger require periodic cleaning and repair. It is important that exchangersand the surrounding piping are arranged to facilitate access to the internal parts.
3.1 Horizontal clearance of at least 900mm should be left between exchangers flange to flange orexchanger flanges to piping. Where space is limited, clearance may be reduced between alternateexchangers but in no case clearance over insulation between channel flanges shall be less than600mm.
3.2 The channel ends of exchangers should face the local access road for tube bundle removal and theshell cover should face the piperack. Pulled out bundles should not extend over main access road.
A typical exchanger arrangement with clearance for access, operation and maintenance is shownin Fig.HEP7.
Access for tube bundle removal is usually 500mm more than the bundle length.
3.3 Mobile equipment should be used for handling tube bundles and covers at grade level. Expensivebuilt-in facilities e.g. lifting beams, monorails to be kept minimum.
3.4 The use of tube-bundle extractor eliminates the need for permanent tube bundle removal structures.These mechanisms weigh around seven tons and are capable of pull forces about 500,000lbs. Thetube-bundle is held in position by crane and balanced by the extractor's leveling cradle and pulledout of its shell with pull rod attachments that use hydraulic force.
3.5 For air-cooled exchangers, platform arrangements must suit maintenance access requirements.Considerations must be given to fin-tube bundle removal, tube rodding out at header boxes, motorand fan access.
3.6 Provision of easily removable spool pieces, flanged elbows, break flanges or short pipe runs will behelpful for maintenance of exchangers.
3.7 Illustrations for exchanger location in unit plot plan alongwith the provisions of operating andmaintenance space, accessibility are shown thru' Fig.HEP6, HEP7, HEP8, HEP9, HEP10, HEP11,HEP12, HEP13, HEP14, HEP15 & HEP16 as typical cases.
TRAINING MANUAL- PIPING
PIPING STUDYHEAT EXCHANGER PIPING
Uhde India Limited
DOC No. : 29040-PI-UPS-1004
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4.0 KEY WORDS
Shell and TubeFixed headFloating headChannel EndBonnet EndChannel FlangeTube bundle removal
Air Cooler (Fin-Fan)Header BoxNozzle loadsPlatformSupport Structure
Stacked heat exchangerElbow nozzle.MonorailMaintenance accessway
Plate type heat exchangerInlet portBack flashingPlates and gasketsRemoval of individual plate
5.0 "STEPS TO DO HEAT EXCHANGER PIPING"
Step 1 : Collect the mech. spec. of the heat exchanger.
Step 2 : Study the P&ID around the heat exchanger and identify the relationship with the connectedequipment viz. column or reactor.
Step 3 : Note the special process (functional) requirement along with the specific arrangement detailswith respect to level or height difference from other related equipment like pumps.
Step 4 : Study the nozzle schedule, its position on the equipment and verify with P&ID.
Step 5 : Make a sketch for the relative location and level. Find out the tube cleaning space in case shell& tube Heat Exchanger as well as the maintenance space of tube bundle length.
Step 6 : Locate the control valve stations both for shell side and tube side fluids.
Step 7 : Decide the flanged joints location for replacement of Heat Exchanger / maintenance facility.
Step 8 : Check, in general, that cooled streams flow downwards and heated streams flow upwards. Thisarrangement is mandatory when there is a change of phase, desirable when the streams areliquid but not important when the streams are gas or vapour or there is no super heating,super cooling.
TRAINING MANUAL- PIPING
PIPING STUDYHEAT EXCHANGER PIPING
Uhde India Limited
DOC No. : 29040-PI-UPS-1004
Rev. : R0
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Step 9 : Check, piping should not foul with exchanger removal either in the horizontal direction forbundle-pulling nor in the vertical for whole exchanger removal.
Step 10: Check, locally mounted PI, TI on equipment or process lines, sight glasses and level indicatorsare visible from access aisles and valves are accessible from the aisles.
Step 11: Mark the supports / support arrangement on the piping study.
Step 12: Ensure accessibility / operation facility for all valves as well as the clearance kept are not lessthan the recommended minimum requirement.
6.0 HEAT EXCHANGER PIPING
6.1 SHELL & TUBE
After all the required information has been collected for the piping design of a heat exchanger, thefirst step is to outline clearance and working space in front and around both ends of the exchanger.These working spaces should be kept clear of any piping and accessories to facilitate channel,shell-cover and tube-bundle removal as well as maintenance and cleaning.
The free space at the side of horizontal shell can be used for placement of control stations.
The piping is elevated from grade to have a clearance of 300mm above the grade level. The pipingconnected to channel head nozzles should be furnished with break flanges to facilitate the removalof the channel head.
Steam lines connecting to a header in the yard can be arranged on either side of the exchangercenterline without increasing the pipe length.
Cooling-water lines, if under ground, should run right under the lined-up channel nozzles of allcoolers.
Access to valve hand wheels and instruments will influence the piping arrangement around heatexchangers. Valve handwheels should be accessible from grade and from a convenient accessway.These accessways should be used for arranging manifolds, control valves and instruments.
Fig. HEP 20, HEP21, HEP22, HEP23, HEP24, HEP25, HEP26, HEP27 & HEP28 illustrates sometypical piping arrangement around shell & tube exchangers.
6.2 PLATE & SPIRAL EXCHANGERS
Piping at spiral and plate exchangers is also arranged to allow opening of covers and removal ofplates.
Controls at the spiral exchanger are located on the ends of the unit, clear of the cover plate swingarea, piping attachment to cover plate nozzles of spiral exchanger will have break flanges.
Controls for plate exchanger are located at the front and one side of the exchanger. The piping iselevated to have clearance from grade as well as convenience for operation of valves.
Fig.HEP29 and HEP30 illustrates the typical piping arrangements around spiral & plate exchangers.
TRAINING MANUAL- PIPING
PIPING STUDYHEAT EXCHANGER PIPING
Uhde India Limited
DOC No. : 29040-PI-UPS-1004
Rev. : R0
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6.3 AIR COOLERS
Piping for air coolers are not routed over tube banks or fans and should be kept clear of thedesignated space for motor maintenance.
Fig.HEP31 illustrates the typical piping arrangements around air coolers.
EXCHANGER APPLICATION SHOWN ON A PROCESS FLOW DIAGRAM
STEAM
SHELL & TUBE
EXCHANGER PROCESS
REBOILER
REFRIGERANT
WATER
AIR
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HEAT EXCHANGER
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: HEP1
SHELL &
(AIR COOLER)CONDENSER
REFRIGERATION
KETTLE
TUBE
SHELL &TUBE
PACKAGE
CHILLER
STEAM
HEATER
SHELL & TUBE
COOLER
HEAD NOZZLE
CHANNEL
CHANNEL COVER
1ST FLUIDENTERS(COLD) (WARM)
2ND FLUIDLEAVES
HEAD NOZZLE
VENT
DRAIN
LEAVES1ST FLUID
DRAIN SADDLE BAFFLE(TYP)SADDLE
DRAIN
FLOATING
PACKED FLOATING
REARHEAD
HEAD RING
TUBE-SHEET
(HOT)ENTERS
2ND FLUIDSHELLREMOVABLETUBE BUNDLE
RELIEF VALVECONNECTION NOZZLE
SHELLNOZZLE
SHELL
SHELL AND TUBE HEAT EXCHANGER WITH REMOVABLE TUBE BUNDLE
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HORIZONTAL BAFFLE
TUBE SIDE SHELL SIDE
VERTICAL BAFFLES
SAMPLE OF TUBE AND SHELL EXCHANGER PASSES
KEY ITEMS FOR A TYPICAL SHELL AND TUBE EXCHANGER
HORIZONTAL BAFFLE
TUBE SIDE SHELL SIDE
VERTICAL BAFFLES
SHELL SUPPORTSADDLE
FIXED TUBESHEET NOZZLE
SHELL FLOATINGHEAD COVER
SHELL COVERTUBE BUNDLETUBE NOZZLE
CHANNEL HEAD
HEAD COVER
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INOUT
OUTIN
(TYP)
AIR COOLER EXCHANGER
SHELL AND TUBE EXCHANGER
PLATE EXCHANGER
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MO
TOR
MO
TOR
OU
TLE
T N
OZZ
LE
TUBE BANKFAN HOUSING INLET NOZZLEHEADER BOX
SUPPORTSTEEL
MOTOR ACCESSPLATFORM
SUPPORTBEAM
HEADER BOX TUBE BANK INLET NOZZLE
SUPPORT CHANNEL
AIR COOLER EXCHANGER CONSTRUCTION DETAILS
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TYPICAL PLOT PLAN OF SEVERAL EXCHANGER APPLICATION
PLATE EXCHANGER
HORIZONTAL REBOILER
AIR COOLEDCONDENSERS
TRIM CONDENSERS
VERTICAL REBOILER
PRODUCT COOLERSSPIRAL
KETTLE TYPE
DOUBLE PIPE EXCHANGER
HIGH PRESSUREEXCHANGERS
EXCHANGERS
C COLUMNL
LC COLUMN
C COLUMNL
C COLUMNL
C COLUMNL
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EXCHANGER
CLEARANCE
PULLING TUBES ACCESSSPACE FOR
2" MIN.
2" MIN.
2'-6"
6' L FEET (0.8)(L)FEET 8FEET
L FEET
CLEARANCE
6'
2" MIN.
2'-6"
2" MIN.
8FEET(0.8)(L)FEET
SPACE FORPULLING TUBES ACCESS
2'-6"
ARRANGEMENT OF EXCHANGERS
2'2'
PAIRED UNITS AND 2'-6"OPERATING SPACE BETWEEN PIPING.
(1) SHOW OUTLINES OF EXCHANGER SUPPORTS OR FOUNDATIONS BEFORE ARRANGING PIPING.
(2) ADD THICKNESS OF INSULATION FOR EXCHANGER SHELLS AND CONNECTED PIPING TO CLEARANCE AS SHOWN.
(3) PROVIDE ADDITIONAL CLEARANCE TO THE 2'-6"(750) OPERATING SPACE IF VALVE HANDWHEELS AND VALVESTEMS, etc., PROTRUDE, DEPENDING ON PIPING ARRANGEMENT.
(1800) (2500)
(2500)(1800)
(750)
(750)
(750)
(600
)
WITH 2'-6" OPERATING SPACE BETWEEN PIPING(a)
ARRANGEMENT OF EXCHANGERS WITH 2'-0" MAINTENANCE SPACE BETWEEN(b)
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IPE
RA
CK
PIP
ER
AC
K
SAMPLE EXCHANGER ORIENTATION
C P
IPE
RA
CK
CO
LUM
NS
L
BONNET REMOVAL AREA
DAVIT CHANNEL END
TUBE BUNDLE REMOVAL AREA
AU
XIL
IAR
Y R
OA
D O
R M
AIN
TE
NA
NC
E A
CC
ES
S W
AY
C TOWERL
- CHANNEL END TO FACE MAINTENANCE ACCESS WAY FOR TUBE BUNDLE REMOVAL.- PROVISION OF ADEQUATE SPACE FOR BONNET REMOVAL.
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SAMPLE SINGLE AND PAIRED EXCHANGER
TOWER
ACCESSOPERATOR
CONTROLVALVE (TYP.)
18"/.450MINIMUM
DRUM
EXCHANGERSPAIREDSINGLE
EXCHANGER
VALVE (TYP.)CONTROL
VALVE (TYP.)CONTROL
PARALLEL EXCHANGER INSTALLATIONS
OPERATORACCESS
OPERATORACCESS
OPERATORACCESS
OPERATORACCESS
ACCESSOPERATOR
ACCESSOPERATOR
SERIES EXCHANGER INSTALLATIONS
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STACKED EXCHANGER INSTALLATION
SPACE FRAME
SAME SERVICE DISSIMILAR SERVICE
ACCESS AREAOPERATOR
SAME SERVICE12
'-0"/
3600
(MA
XIM
UM
WIT
HO
UT
PLA
TFO
RM
)
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ELBOW NOZZLE
SAMPLE STRUCTURE MOUNTED EXCHANGER INSTALLATION
AUXILIARY ROADOR MAINTENANCEACCESS WAY
4'-0"/1.200MIN.(TYP.)
TUBE END TUBE BUNDLEREMOVAL AREA
18"/.450 MIN.
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TOWER SUPPORTED VERTICAL INSTALLATION
TUBE BUNDLEREMOVAL AREA
TOWER
LUG & SPRING
2'/600 TO 5'/1500
PLATFORMREBOILER
HITCH POINTS FORCOVER REMOVAL
3'-0
"/90
0 M
IN.
12'-0
"/36
00M
AX
IMU
MW
ITH
OU
TP
LAT
FO
RM
ALTERNATIVECHANNEL DESIGN
LUG & SPRING
1"/.025 GAP
PLATFORMSUPPORT STEEL
GUIDE
ADD 1"/.025SHIM
UN-BOLT
REMOVECHANNELSECTION
EXTRACTTUBE-BUNDLE
TUBE BUNDLE MAINTENANCE
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COVER REMOVAL AREA
VESSEL NOZZLE
1
2
3 4
STRUCTURE SUPPORTED VERTICAL INSTALLATION
TUBE BUNDLEREMOVAL AREA
6'-0
"/18
00(M
AX
IMU
M)
PLATFORM
LUGS
4'-0"/1200MINIMUM
(TYP.)
MINIMUM18"/450
WITHOUT PLATFORM3'-0"/900 MINIMUM
12'-0"/3600 MAXIMUM
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OPERATOR ACCESS
CONTROL ASSY.SPACE
PLATE REMOVAL AREA
C PIPE RACK COLUMN
CONTROL AND OPERATOR ACCESS FOR A PLATE TYPE HEAT EXCHANGER
(TYP.)
L
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OPERATOR ACCESS
TYPICAL COLUMN-SUPPORTED AIR COOLER ARRANGEMENT
HEADER BOXPLATFORM
MO
TOR
(TY
P.)
(TY
P.)
MO
TOR
7'-0
"/21
00 M
IN.
OPERATOR ACCESS LADDER
PLATFORMMAINTENANCE
PIPE RACK
ADDITIONAL PLATFORMIF LADDER RUN ISLONGER
AIR COOLERINDUCED DRAFT
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HEADER BOXPLATFORM (TYP.)
MAINTENANCELADDER TO
PLATFORM (TYP.)
GRADE (TYP.)LADDER TO
COLUMNSPIPE RACK
PLATFORMMAINTENANCE AIR COOLER
SUPPORT BEAM
MOTOR(TYP.)
TYPICAL FIXED PLATFORM AIR COOLER ARRANGEMENT
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ALLOWABLE NOZZLE CONFIGURATIONS
SINGLE PASS SHELL
SINGLE PASS SHELL
SINGLE SPLIT FLOW SHELL
DOUBLE PASS SHELL
DOUBLE SPLIT FLOW SHELL
DOUBLE PASS SHELL
SINGLE PASS SHELLKETTLE TYPE REBOILER
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EFFECT OF ELBOW NOZZLES ON STACKED EXCHANGERS
ELBOW NOZZLES
ALTERNATIVE `A' ALTERNATIVE `B'
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RE
DU
CE
D S
PA
CE
RE
DU
CT
ION
IN S
PA
CE
GRAVITY FLOW
ALTERNATELOCATION
AIR COOLERS
SINGLE PASS OUTLETNOZZLE LOCATION
INLET NOZZLELOCATION
OUTLETDOUBLE PASSC
TO
WE
RL
REFLUX DRUM
LOCATION
ALTERNATE AIR COOLER NOZZLE CONFIGURATIONS
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ALLOW SPACEFOR PULLINGTUBES
C EXCHANGER L
REMOVABLE SPOOL
12"MIN. FORWRENCH ACCESS
TO ALLOW LIFTING OF REAR HEADFOR MAINTENANCE, PIPE MAY BEOFF SET AS SHOWN, OR A SHORTSPOOL CAN BE PROVIDED.
OBLIQUE OFFSETS IN PIPING SIMILIARTO THOSE SHOWN. ALLOW EXCHANGERSTO BE PLACED CLOSER.
AND LOCATION TO OBTAIN THE BESTDIFFERENT NOZZLE TYPES, ORIENTATIONSCONSIDER REQUEST TO VENDOR
PLANT ARRANGEMENT.
90°ELBOWNOZZLE
NOZZLE90°ELBOW
LINES SUPPORTED UNDER ANEXCHANGER ARE SOMETIMESINSUFFICIENTLY FLEXIBLE.THE FLANGED JOINT AT THEHEAD NOZZLE TO BE PARTEDAFTER REMOVAL OF BOLTS. IFTHIS IS LIKELY A SHORTREMOVABLE SPOOL TO THEHEAD NOZZLE SHOULD BEPROVIDED.
PIPING TO NOZZLES OF HEAT EXCHANGERS
TUBE BUNDLE LENGTH+450MM
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: HEP20
ALTERNATE ARRANGEMENTS FOR LOCATING EXCHANGER NOZZLES
ALTERNATIVE `A' ALTERNATIVE `B'
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP21
PIPING ARRANGEMENT FOR HORIZONTAL SHELL AND TUBE EXCHANGERS
C TOWERL
C P
IPE
RA
CK
LC
OLU
MN
CONTROL STATIONS CHECK CLEARANCEAT SUPPORT
MAINTENANCE ACCESS
MAINTENANCE ACCESS
OPERATOR ACCESS
MAINTENANCE ACCESS
BREAK FLANGES
MAINTENANCE ACCESS
OPERATOR ACCESSALTERNATELOCATION FORCONTROL STATIONS
PIPE RACK
RUN PIPING ATCOMMON ELEVATIONTO SUIT PIPE RACKELEVATIONS
MAINTAINCLEARANCEAT DAVIT
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP22
ACCESS TO VALVES &INSTRUMENTS
TUBE BUNDLE REMOVAL AREA=TUBE LENGTH + 450
600 TO 900
450 450 ACCESS TO FLANGE BOLTS
(ALL AROUND)
CONTROL STATIONS
SUPPORTS FOR PIPING ARRANGEMENT
DUMMY LEG/ TRUNNION
INTERMEDIATE SUPPORTREQUIRED FOR PIPINGTHAT IS OVER SPANNEDBETWEEN PIPE RACK ANDEXCHANGERS
TO CONCRETE SUPPORTATTACH STEEL FRAME
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP23
PIPING ARRANGEMENT FOR UNDERGROUND COOLING WATER SYSTEM
THI
COOLING WATER SUPPLY
COOLING WATER RETURN
USE SPOOL PIECE FORBUTTERFLY VALVES
CHECK CLEARANCEWITH FOUNDATIONS
ANTIFREEZE BYPASS
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP24
PIPING ARRANGEMENT FOR STEAM AND CONDENSATE SYSTEM
CONDENSATECONTROL VALVE
CONDENSATEPOT VALVE
STEAM CONTROL
ELEVATION OFCONDENSATE POTSET BY PROCESSCONDITIONS
TRUNNIONSUPPORT
LEVELGAUGE
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP25
SYMMETRICAL PIPING
LUGS
INDEPENDENTSTRUCTURESUPPORTING REBOILER
PIPING ARRANGEMENT FOR VERTICAL REBOILER
PIPING ARRANGEMENT FOR HORIZONTAL REBOILER
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP26
PIPING ARRANGEMENT FOR HIGH TEMPERATURE.HIGH PRESSURE FEED EXCHANGERS
ALTERNATIVE `A' ALTERNATIVE `B'COST EFFECTIVE
PROVIDE LOOPIN PIPING FORFLEXIBILITY
SUPPORT AT CENTEREXCHANGER CHANNEL
PROVIDE SPRING
END ONLY
HIGH PRESSUREHIGH TEMPERATURE,
ALLOY PIPING
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP27
PIPING ARRANGEMENT FOR FEED EXCHANGERS
COOLING WATER
LOCATE PIPINGBENEATH PLATFORMFOR EASE OFSUPPORT
DOC NO.
Rev.
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TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP28
CONTROL VALVEOPERATOR ACCESS
PIPE RACK COLUMN
PIPING ARRANGEMENT FOR SPIRAL EXCHANGERS
CONTROL VALVE
REMOVABLESPOOL (TYP.)
SWING AREACOVER PLATE
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP29
OPERATOR ACCESS
CONTROLVALVE
PLATE REMOVAL AREA
C PIPE RACK COLUMN
PIPING ARRANGEMENT FOR PLATE TYPE EXCHANGERS
CONTROL VALVES
ELEVATION
PLAN
(TYP.)
L
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP30
C TOWERL
FOR FLEXIBILITY, THE AIR COOLERCAN BE POSITIONED WITH THEINLET NOZZLES ON THE FARCENTERLINES OF THE PIPE RACKCOLUMNS. THE AIR COOLER SECTIONSSHOULD BE SEGREGATED AND THESTEEL EXTENDED TO SUPPORT THEOVERHEAD PIPING.
COST EFFECTIVE ALTERNATEROUTING, IF PIPING IS FLEXIBLEAND CAN SPAN DISTANCE WITHOUTINTERMEDIATE SUPPORT.
SUPPORT STEEL TOSUPPORT OVERHEAD LINE.
EXTENDED AIR COOLER
AIR COOLER
AIR COOLER
OVERHEAD PIPING ARRANGEMENTS FOR A CONDENSING AIR COOLER
DOC NO.
Rev.
PageUhde India Limited
TRAINING MANUAL - PIPING
PIPING STUDY
DWG. NO.
HEAT EXCHANGER
: 29040-PI-UPS-1004
: R0
: 1 OF 1
: HEP31
C TOWERL