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  3. Water/Air cooling FIBERTRAC 31

Vega Water/Air cooling FIBERTRAC 31, FIBERTRAC 31 Supplementary instructions

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  • What are the components of the active water cooling system for FIBERTRAC 31 radiation-based sensors?
    What is included in the scope of delivery for the water cooling system?
    Can the water cooling system be mounted later if not ordered with the sensor?
    What is the purpose of the fastening bracket in the mounting process?
    How should the scintillator cooling be mounted?
Supplementary instructions
Water cooling -
FIBERTRAC 31
Active water cooling system for radiation-
based sensors
Document ID: 48524
2
Contents
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
Contents
1 Product description ................................................................................................................. 3
1.1 Conguration
.................................................................................................................... 3
2 Mounting ................................................................................................................................... 5
3 Replacement parts ................................................................................................................. 17
3.1 Available spare parts - water cooling .............................................................................. 17
4 Supplement ............................................................................................................................ 19
4.1 Technical data ................................................................................................................ 19
4.2 Dimensions .................................................................................................................... 21
Editing status: 2018-01-29
3
1 Product description
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
1 Product description
1.1 Conguration
The active water cooling system is suitable for radiation-based sen-
sors of series FIBERTRAC 31.
The water cooling system consists of several modules.
The housing cooling lid can be screwed onto the instrument housing
instead of the normal housing lid.
The cooling module for the housing cools the lower part of the sensor
housing.
Theexiblecoolingmoduleforthescintillatorcoolstheactivemeas-
uring part of the sensor.
B
A
C
Fig. 1: Active water cooling system with fastening bracket
A Housing cooling lid
B Housing cooling
C Scintillatorcooling(exible)
The following parts belong to the scope of delivery of the water cool-
ing system:
Housing cooling lid (A)
Housing cooling (B)
Scintillator cooling (C)
Scope of delivery
4
1 Product description
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
•
Scintillator cooling hose (1 piece)
•
Flange, sectioned (2 pieces)
•
HexagonsocketscrewM5x12(6pieces)
•
Sealingringø42x6mm(2pieces)
•
Compression nut, top (1 piece)
•
Compression nut, bottom (1 piece)
•
Mountingclamp(quantitydependingonsensorlength)
•
Fasteningbracket
•
Housing cooling lid
•
Isolatingsleeve(6pieces)
•
FixingscrewM8x35(2pieces)
•
FixingscrewM8x40(4pieces)
•
WasherforM8(10pieces)
•
SpringringforM8(2pieces)
•
HexagonnutM8(4pieces)
•
Coolant hose ¼", length: 300 mm (11.81 in)
•
Coolanthose¼",length:550mm(21.65in)
•
NPT threaded adapter for cooling hoses ¼" (optional)
•
Hookwrenchsize68-75,DIN1810,FormB
Information:
When the sensor is ordered with cooling, the sensor and the water
cooling system are shipped already premounted.
If the cooling is ordered later, you have to mount the water cooling
system on the sensor.
Youcanndfurtherinformationinchapter"Mounting".
5
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
2 Mounting
Mounting preparations
Takenoteoftheoperatinginstructionsmanualsofthecorresponding
radiation-based sensors and the source holder.
Warning:
Duringallmountinganddismountingwork,thesourcecontainermust
beinswitchposition"OFF"andsecuredbyalock.
Carryoutallworkwithintheshortestpossibletimeandatthelargest
possible distance. Provide suitable shielding.
Avoidrisktootherpersonsbytakingsuitablemeasures(e.g.safety
fence, etc.).
Mountingmayonlybecarriedoutbyauthorized,qualiedpersonnel
whoaremonitoredforradiationexposureaccordingtolocallawsor
thehandlingpermit.Takenoteofthespecicationsinthehandling
permit.Alsotakethelocalconditionsintoaccount.
Caution:
The cooling system is used in areas with high temperatures. There-
fore, use temperature-resistant cable and install it in such a way that
contact with hot components is avoided.
Information:
When the sensor is ordered with cooling, the sensor and the water
cooling system are shipped already premounted.
If the cooling is ordered later, you have to mount the water cooling
system on the sensor.
Required tools:
•
Hookwrenchsize68-75,DIN1810,FormB-forscrewingonthe
cooling hose (comes with the water cooling system)
•
Allenkeysize4-forthebisectionalholdingange
•
ForkwrenchSW10mm-forthemountingclip
•
ForkwrenchSW13mm(2pieces)-forthehousingcooling
•
ForkwrenchSW19mm(2pieces)-forthehosettingsofthe
cooling circuit
•
Acid-free grease - to screw in the compression nuts more easily
Takenoteofthefollowinggeneralmountinginstructions:
•
Firstofall,mountthefasteningbracketandthehousingcooling,
and then the sensor.
•
The small lid of the instrument housing must point to the front after
mountingthefasteningbracket(x)
•
The sensor together with the water cooling system is very heavy.
Use a suitable lifting device for mounting, e.g. a sling
Mounting
1. Place the isolating sleeves (4) between the housing cooling (5)
andthefasteningbracket(1).
Operating instructions
General mounting
instructions
Mount the fastening
bracket
6
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
1
2
3
4
5
6
Fig. 2: Housing cooling
1 Fastening bracket
2 HexagonscrewsM8x40(4pieces)
3 WasherforM8(4pieces)
4 Isolatingsleeve(4pieces)
5 Housing cooling
6 HexagonnutM8(4pieces)
2. Placethefasteningbracket(1)ontothehousingcooling(5).Make
sure that the coolant connections point in a suitable direction.
Rotatingtheholdingbracketlater(1)isverydicult.
3. Connectthefasteningbracket(1)withthehousingcooling(5)
accordingtotheillustrationandtightenthescrews(2,3,6)witha
torqueof15Nm(11.06lbfft).
1. Insert the sensor into the housing cooling.
The small lid of the instrument housing must point to the front
aftermountingonthefasteningbracket(x).
5
1
x
Fig. 3: Mounting direction of the sensor towards the fastening bracket
1 Fastening bracket
5 Housing cooling
x Mountingdirectionofthehousing
2. It is advisable to place the sensor and the housing cooling on the
oorwhileinserting.Protectthesensorbycoveringthesensor
housing during mounting.
Inserting the sensor
7
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
Mountthesensorwiththetwoscrews(7)intheappropriateposi-
tion.
1
7
8
9
4
Fig.4:Mountingthesensor
1 Fastening bracket
4 Isolatingsleeve(2pieces)
7 HexagonscrewM8x25(2pieces)
8 RetainingwasherforM8(2pieces)
9 WasherforM8(4pieces)
Takenoteofthefollowinggeneralmountinginstructions:
•
Firstofall,mountthefasteningbracketandthehousingcooling,
and then the sensor
•
The small lid of the instrument housing must point to the front after
mountingthefasteningbracket(x)
•
The sensor together with the water cooling system is very heavy.
Use a suitable lifting device for mounting
Mountthescintillatorcoolingaccordingtothefollowingassembly
drawing:
Housing cooling
Mounting the scintillator
cooling
8
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
10
11
12
13
14
15
Fig.5:Mountingscintillatorcooling-upperpart
10 Housingcooling
11 Holdingange(bisectional)
12 HexagonsocketscrewM5x12(6pieces)
13 Compressionnut-top
14 Sealring
15 Scintillatorcoolinghose(withconnectionthread)
1. Slidetheuppercompressionnut(13)frombelowontotheblack
scintillatorofthesensor.Makesurethattheuppercompression
nut (13) has a fastening slot and that this slot points in the direc-
tion of the housing cooling (10).
2. Slide the seal ring (14) from below onto the scintillator hose of
the sensor. The seal ring (14) encircles the scintillator hose very
tightly and must be moved with a rolling motion over the entire
lengthofthescintillatorhose.Makesurethatthesealringisnot
damaged or contaminated.
3. Push the upper compression nut (13) from below against the
housing cooling (10).
4. Placethetwohalfshellsoftheholdingange(11)fromtheside
onto the upper compression nut (13) and fasten to the housing
cooling(10)withtheenclosedhexagonsocketscrews(12).
5. Grease the upper thread of the scintillator cooling hose (15) with
acid-freegrease.Thismakesscrewingthepartstogethereasier.
6. Pushthescintillatorcoolinghose(15)frombelowontothescintil-
lator of the sensor.
7. Slide the seal ring (14) from below into the opening of the upper
compressionnut(13).Makesurethatthesealring(14)isclean
and undamaged and not twisted during the process.
9
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
8. Slide the thread of the scintillator cooling hose (15) from below
into the upper compression nut (13). Screw the scintillator cooling
hose (15) slowly into the upper compression nut (13) up to the
stop.
Tightentheuppercompressionnut(13)withtheattachedhook
wrench up to the stop.
9. Theupperpartofthescintillatorcoolingisthensealed.Mountthe
lower part as follows:
15
14
16
17
Fig.6:Mountingscintillatorcooling-lowerpart
14 Sealring
15 Scintillatorcoolinghose(withconnectionthread)
16 Sensor(scintillatorhose)
17 Compressionnut-bottom
10. Grease the lower thread of the scintillator cooling hose (15) with
acid-freegrease.Thismakesscrewingthepartstogethereasier.
11. Slideasealring(14)frombelowontothescintillatorhose(16)of
thesensor.Makesurethatthesealring(14)isnotdamagedor
contaminated.
12. Slide the lower compression nut (17) from below onto the thread
of the scintillator cooling hose (15).
13. Screw the lower compression nut (17) slowly onto the scintillator
coolinghose(15)uptothestop.Applycounterforceonthexed
tube part of the scintillator cooling hose (15) with a strap wrench
(oillterwrench)andtightenthelowercompressionnut(17)with
theenclosedhookwrenchuptothestop.
The scintillator cooling is now completely sealed.
Information:
The sensor together with the water cooling system is very heavy. Use
a suitable lifting device for mounting.
Useaslingwithsucientliftingcapacity.Takenoteoftheslingmark-
ing.Youcanndtherespectiveweightofthewatercoolingsystemin
chapter "Technical data".
Place the lifting sling around the cooling tube directly below the
ange.Theloopisaso-calledlark'sfoot.
Fasten the hoisting sling according to the following illustration.
Lifting of the water
cooling system
10
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
Fig. 7: Attaching the sling
As soon as the water cooling system is mounted, you can can install
the sensor with the water cooling system in your plant.
You can mount the sensor on your vessel with the enclosed mounting
clamps. A number of mounting clamps come with the water cooling
system depending on the length of the sensor.
Useamountingclampapprox.every450mm(17.72in).Adjustthe
distances between the attached mounting clips.
Takenoteoftheminimumbendingradiusofthehousingcooling,
which is 294 mm (11.57 in).
1. Determinetheexactmountingpositionofoneorseveralmounting
clampsandmarktheholes.
Youcanndthedrillingtemplateinthetechnicaldata.
Alignthemountingpositionsexactlyandaveragethedistances
between the enclosed mounting clamps.
Drillappropriateholes(max.M12)forfasteningthemounting
clamps.
Note:
The mounting clamps do not come with fastening screws. Use fasten-
ing elements that are appropriate for the situation in your plant.
2. Positionthebaseplate(35)andfastenitinthespeciedmount-
ing position.
3. Fastenadditionalmountingclampsexactlyalignedinthesame
way.
Mounting the sensor
11
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
28
30
31
32
34
35
Fig.8:Mountingclamps
28 HexagonscrewM12x190
30 Coverplate-metal
31 Upperclampingjaw
32 Fasteningscrew(providedbythecustomer)
34 Lowerclampingjaw
35 Bottomplate-metal(withslotholes)
4. Placethelowerclampingjaw(34)ontothebottomplate(35).
5. Insert the sensor with the cooling system into the lower clamping
jaw(34)andalignthecoolingsystem.
6. Placethecoverplate(30)ontotheupperclampingjaw(31)and
placethetwopartsontothelowerclampingjaw(34).
7. Insertthetwohexagonscrews(28)intotheholesofthecover
plate(30)andtheupperclampingjaw(31)andthenpushthe
hexagonscrews(28)throughthetwoclampingjaws.
8. Tightenthetwohexagonscrews(28)withatorqueof8Nm
(5.9 lbf ft).
Youcanndfurtherinformationonsensormountingintheoperating
instructions manual of the sensor.
Thehousingcoolinglidisscrewedontotheexistingsensorhousing
likeahousinglid.
1. Unscrew the housing lid (18) from the sensor.
2. Connect the sensor to power supply. Keep the instructions of the
operating instructions manual of the appropriate sensor in mind.
There is a connection diagram in the housing lid (18). This
diagram is not in the housing cooling lid (19). So please note the
details of the electrical connection in the operating instructions
manual of the sensor.
Electrical connection
12
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
Note:
The cooling system is used in areas with high temperatures. There-
fore, use temperature-resistant cable and install it in such a way that
contact with hot components is avoided.
1. Clean the thread of the housing cooling lid (19) and the thread on
the housing.
2. Screw the housing cooling lid (19) onto the sensor instead of the
housing lid (18) and turn the housing cooling lid (19) up to the
stop.
18
19
21
20
Fig. 9: Mounting of the housing cooling lid
18 Housinglid
19 Housing cooling lid
20 Connectionopeningforthecoolanthose
21 Sensor
The housing cooling and the housing cooling lid must be connected
to the cooling circuit.
All threads for the cooling connection on the sensor are inner threads.
Therequiredcoolanthosesarepartofthescopeofdelivery.
Use clean tap water or distilled water for cooling. Oil or salt water are
not suitable for the cooling system.
Makesurethatthecoolantcablesdonotfreeze,e.g.incaseofa
shutdown.
Youcanndinformationonthethroughputandthetemperatureofthe
cooling water in the technical data section.
Coolant pump
Thewatercoolingmayonlybeoperatedinanunpressurizedstate.
Use an open cooling circuit that circulates the coolant through the
system by means of a pump.
Plan the coolant pump and a possible re-cooling system according to
therequiredinlettemperature,pumpingheightandwaterthroughput.
If you want to integrate a gate valve into the system, then install it only
inthefeedlinetoavoidpressurizationinthecoolingsystem.
Mounting of the housing
cooling lid
Connect cooling
13
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
Caution:
Makesurethatthecoolingwatersupplyisreliableundinterruption-
free. Plan the necessary steps for a possible pump failure, missing
coolant, etc.
Werecommendinstallingatemperaturesensor(inthereturnow)
that triggers an alarm when a critical temperature is reached.
IfyouwanttousethewatercoolinginanapplicationthatisSILquali-
ed,youhavetoassesstheSILfailureratesofthecompletewater
cooling system and the cooling water supply yourself.
1. Installthecoolanthosesinsuchawaythattheydonotgetkinked
or come into contact with hot components.
Information:
Notetheowdirectionofthecoolant.Thedirectionofowshouldbe
from bottom to top so that no voids can arise.
14
2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
fe
b
c
d
a
f
e
c
d
a
b
A
C
B
a
b
e
d
c
f
Fig.10:Mountingpositionofthecoolingsystem-noteowdirectionofthe
coolant(a,b,c…)
A Verticalmounting-housingheadontop
B Vertical mounting - housing head on bottom
C Horizontal mounting
2. Connect the lines for the cooling water.
All threads for the cooling connection on the sensor are inner
threads.
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2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
b
a
e
f
d
c
23
22
Fig.11:Flowdirectionofthecoolant(verticalmounting,housingheadontop)
a Coolant inlet - scintillator cooling
b Coolant outlet - scintillator cooling
c Coolant inlet - housing cooling
d Coolant outlet - housing cooling
e Coolant inlet - housing cooling lid
f Coolant outlet - housing cooling lid
22 Coolant hose - scintillator cooling/housing cooling
23 Coolant hose - housing cooling/housing cooling lid
Note:
The enclosed coolant hoses are pre-fabricated in their length. One
endofthehosehasaxedconnectionthread,theotherhasarotat-
able connection.
This ensures that the coolant hoses remain straight.
Allconnectionthreadshavesealsalreadyinplace.Makesurethatthe
seals are there when mounting.
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2Mounting
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
24
26
23
25
Fig. 12: Pre-assembled coolant hose
23 Coolant hose
24 Rotatableconnectionthread
25 Fixedconnectionthread
26 Doublenipple¼"(DINISO228)
3. Firstscrewinthexedconnectionthread(25)ofthecoolanthose
(23)andtightenthettingwithatorqueof25Nm(18.43lbfft).
4. Unscrewthedoublenipple(26)fromtherotatableconnection
thread (24) of the coolant hose and mount it in the connection
hole of the sensor cooling.
Tightenthedoublenipple(26)withatorqueof25Nm
(18.43 lbf ft).
5. Screwtherotatablethread(24)intothedoublenipple(26).Apply
counterforceontherearnutwithaforkwrench(SW19)and
tightentheconnectionthreadwithasecondforkwrenchwitha
torqueof25Nm(18.43lbfft).
6. Fillthewatercoolingsystem.
Checkthetightnessofthesystemandthehosettings.
Thecoolingsystemmayonlybeoperatedinanunpressurized
state.
Caution:
Do not loosen any screws or hose connections during operation and
makesurethatthecoolantsupplyisreliableandinterruption-free.
Takenoteoftheoperatinginstructionsmanualsofthecorresponding
radiation-based sensors and the source holder.
Whenhandlingradioactivesubstances,unnecessaryradiationexpo-
sure must be avoided.
If there are gaps or intervening spaces after mounting, provide pro-
tectivefencesorgridstokeephandsawayfromthedangerousarea.
Suchareasmustbemarkedaccordingly.
Install a safety barrier on both sides of the cooling system. A sheet
metal cover or an appropriately shaped plastic sheet can also be
used.
Install a protective grid
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3 Replacement parts
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
3 Replacement parts
3.1 Available spare parts - water cooling
Selected components of the cooling are available as replacement
parts. The following parts are available:
Thestatedquantityisthequantitydelivered.
1
2
3
2
Fig.13:Scintillatorcooling-hosesandadapters
1 Coolant hose - housing cooling/housing cooling lid
2 Threadedadapter-watercooling¼NPT(1pce.)
3 Coolant hose - scintillator cooling/housing cooling
Water cooling
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3 Replacement parts
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
4
5
6
Fig.14:Mountingkit-scintillatorcoolinghose-top
4 Holdingange(bisectional)
5 HexagonsocketscrewM5x12(6pieces)
6 Sealring(includedinthemountingkit"Scintillatorcoolinghose,bottom")
6
Fig. 15: Mounting kit - scintillator cooling hose - bottom
6 Sealingring(2pieces)
Scintillator cooling hose
- top
Scintillator cooling hose
- bottom
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4 Supplement
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
4 Supplement
4.1 Technical data
General data
TakenoteoftheinformationintheoperatinginstructionsmanualoftheinstalledFIBERTRAClevel
sensor and the source holder
Material316Lcorrespondsto1.4404or1.4435
Materials
Ʋ Housing cooling 316L
Ʋ Housing cooling lid 316L
Ʋ Metallicbraidedhoseofthehousing
cooling
Stainless steel
Ʋ Seal NBR
Application temperature See following tables (throughput - coolant)
Sensor length (L)
7 m (23 ft)
Weight
Ʋ Housing cooling 2.3kg(5.1lbs)
Ʋ Scintillator cooling 8.8kg/m(1.62oz/in)
Ʋ Housing cooling lid 2.4kg(5.3lbs)
Ʋ Fasteningbracket 4.3kg(9.5lbs)
Ʋ Fastening clamp 0.5kg(1.1lbs)
Total length of the water cooling system 7m(275.6in)
Torques
Ʋ Screws-Sensormounting(M8) 15Nm(11.06lbfft)
Ʋ Nuts-housingcooling(M8) 15Nm(11.06lbfft)
Ʋ Hexagonsocketscrews-holding
ange(M6)
4.5 Nm (3.3 lbf ft)
Ʋ Coolanthoses,threadedttings 25 Nm (18.43 lbf ft)
Ʋ Screws for mounting clamps 8 Nm (5.9 lbf ft)
Connection thread of coolant hoses ¼" DIN ISO 228 outer thread
(adaptersforNPTttingsareenclosedwithrespective
version)
Throughput - coolant water
Cooling water pressure The cooling system may only be operated in an unpres-
surizedstate.
Sensor length < 2 m (< 6.56 ft)
Coolant temperature Ambient temperature
+70 °C (+158 °F) +80 °C (+176 °F) +100 °C (+212 °F)
<+20°C(+68°F) 0.5l/min(0.14USgal/min) 0.5l/min(0.14USgal/min) 2l/min(0.53USgal/min)
<+30°C(+86°F) 0.5l/min(0.14USgal/min) 0.5l/min(0.14USgal/min) 5l/min(1.32USgal/min)
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4 Supplement
Water cooling - FIBERTRAC 31 • Active water cooling system for radiation-based sensors
48524-EN-180130
Tab.1:Requiredwaterthroughputtoreachthemax.permissiblesensortemperatureof+60°C(+140°F)
Sensor length > 2 m (> 6.56 ft)
Coolant temperature Ambient temperature
+70 °C (+158 °F) +80 °C (+176 °F) +100 °C (+212 °F)
<+20°C(+68°F) 0.5l/min(0.14USgal/min) 2l/min(0.53USgal/min) 5l/min(1.32USgal/min)
<+30°C(+86°F) 0.5l/min(0.14USgal/min) 2l/min(0.53USgal/min) 7l/min(1.85USgal/min)
Tab.2:Requiredwaterthroughputtoreachthemax.permissiblesensortemperatureof+60°C(+140°F)
/