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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 1
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 2
Paper 3-B-01 / Cured in Place Pipeliners
A New UV Sensor Method for Sewer Renovation
Michael Roeling, Export Manager BKP Berolina Polyester GmbH & Co. KG, Velten, Germany
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 3
• UV Curing of CIPP since 1986
• becoming more and more popular within the last 15 years
• good quality control “online” possible
• spectrum used: 350 nm – 450 nm (UVA to visible blue)
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 4
Quality Managements steps at the installation site
Data recording with PC
Copyright: BKP
![Page 5: Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER](https://reader035.vdocuments.mx/reader035/viewer/2022062506/62b085d228f7ec199557ef36/html5/thumbnails/5.jpg)
Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 5
lamp switched off
lamp defect
lamp started
lamp switched on on/off of winch
lamp not activated
Data recording with PC – control mode
Quality Managements steps at the installation site
Copyright: BKP
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 6
0
10
20
30
40
50
60
70
28.06.2001 11:02 28.06.2001 11:16 28.06.2001 11:31 28.06.2001 11:45 28.06.2001 12:00 28.06.2001 12:14 28.06.2001 12:28
[cm
/min
]
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
[ba
r]
Curing speed [cm/min]
air pressure [bar]
0
20
40
60
80
100
120
140
28.06.2001 11:02 28.06.2001 11:16 28.06.2001 11:31 28.06.2001 11:45 28.06.2001 12:00 28.06.2001 12:14 28.06.2001 12:28
[°C
]
Air temperature [°C]
Laminate temperature 2 [°C]
Laminate temperature 1 [°C]
Data recording with PC – evaluation
Copyright: BKP
Quality Managements steps at the installation site
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 7
evaluation process optimization
optical measurement
light source
host pipe
optical sensor
CIPP-Liner
quality proof
Overview: objective
Source: OSSCAD
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 8
Principal configuration of UV-light measuring
Transmission measuring: • UV collimation device • optical fiber • wavelength selective receiver
Lateral UV-light launching: • no UV collimation device • special optical fiber • wavelength selective receiver
New: measuring the UV light by lateral launching it into optical fibers!
Source: OSSCAD
spectrometer
transmission measuring
ligh
tlig
ht
spectrometer
transmission measuring
ligh
tlig
ht
ligh
tlig
ht
lateral light launching
spectrometerlight
light
lateral light launching
spectrometerlightlight
lightlight
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 9
PE_S: received power with lateral launching PST: stray power related to the interaction length e: Euler‘s constant S: stray coefficient of sensor fiber
A: absorption coefficient of sensor fiber : central wave length of light
S: catch factor AN: numerical aperture l: length of interaction : lateral launch efficiency
Pk: optical power (outer core area) LA: length of sensor fiber
Mathematical model of UV light measuring
Source: OSSCAD
PE_SPST
light
PE_SPST PE_SPST
lightlightAAs
AAs
L
kNSASE
L
STASE
ePlASLP
ePLP
)(2
_
)(2
_
),(
),(
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 10
Source: https://www.tu-harburg.de/et3/students/Skripte_ss10/V772.pdf
Spectral attenuation of optical fibers – standard fibers
typical data of
quartz fibers:
for single mode fibers
for multi mode fibers
Composition of a step index fiber
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 11
Spectral attenuation behavior of standard fibers
wavelength range: 800nm to 1600nm composition of fiber: Cladding: 125µm, SiO2 – quartz glass
Core: 50µm, Ge-SiO2 – Germanium doped quartz glass Coating: 250µm, UV resistant material
Standard fibers are not usable for measuring UV light!
Spectral attenuation of optical fibers – standard fibers
area of
UV light
area of
UV light
area of
UV light
Source: OSSCAD
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 12
Optical characteristics of special fibers – plastic optical fiber (POF)
In comparison with quartz fibers POF have:
higher path attenuation (absorption)
less temperature resistance
POF are not usable for measuring UV light!
Spectral attenuation behavior of POF Attenuation
Wave Length
Attenuation
Wave Length
Source: OSSCAD
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 13
Wavelength range: 200nm to 800nm Composition of glass fiber:
Cladding: 220µm, F-SiO2 – Fluorine-doped quartz glass Core: 200µm, SiO2 – quartz glass Coating: 260µm, UV transparent material
Use of a UV transparent coating
Development of a UV resistant fiber with UV transparent coating.
Spectrum used forUV-curing
Spectrum used forUV-curing
Source: OSSCAD
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 14
Spectral distribution of UV- light source (mercury vapor lamp):
Spectrum used for
UV-curing
Spectrum used for
UV-curing
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 15
15
Laboratory test – test set-up
evaluation
µP
optoelectronic measuring device
TCP/IP
Interface
amplifier
photodiode
Spectrometer
USB
optical fiber connector
20m - UV patch cable
optical fiber connector
Liner sample:
L=50cm (20”), ID=300mm (12”), wall thickness=4.3mm
UV-light source
UVASPOT 400T
L=15-20cm
25cm
µP
optoelectronic measuring device
TCP/IP
Interface
amplifier
photodiodephotodiode
Spectrometer
USB
optical fiber connector
20m - UV patch cable
optical fiber connector
Liner sample:
L=50cm (20”), ID=300mm (12”), wall thickness=4.3mm
UV-light source
UVASPOT 400T
L=15-20cm
25cm
optical fiber connector
20m - UV patch cable
optical fiber connector
Liner sample:
L=50cm (20”), ID=300mm (12”), wall thickness=4.3mm
UV-light source
UVASPOT 400T
L=15-20cm
25cm
optical fiber connector
Liner sample:
L=50cm (20”), ID=300mm (12”), wall thickness=4.3mm
UV-light source
UVASPOT 400T
L=15-20cm
25cm
UV-light source
UVASPOT 400T
L=15-20cm
25cm
L=15-20cm
25cm25cm
Source: OSSCAD
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 16
Test with site simulation – test set-up
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 17
UV-measuring with UV-filter and automatic amplification
light chain 8 UV-lamps
UV-measuring test: September 30th 2010 length of sensor cable: 1m test 1
Ignition of lamps
All lamps “ON”
Integral transmission curve of
sensor cable as a function of time
Conditions:
- curing speed: 67cm/min
- all 8 UV lamps „On“
- UV lamp (bulb 17cm, center 10cm)
- distance between lamps: 17cm
- length of light chain: 2,48m
Start of
curing process
Liner fully cured
Light chain moves
towards sensor cable
Ignition of lamps
All lamps “ON”
Integral transmission curve of
sensor cable as a function of time
Conditions:
- curing speed: 67cm/min
- all 8 UV lamps „On“
- UV lamp (bulb 17cm, center 10cm)
- distance between lamps: 17cm
- length of light chain: 2,48m
Start of
curing process
Liner fully cured
Light chain moves
towards sensor cable
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 18
UV-measuring with UV-filter and automatic amplification
light chain with lamps 1+2 and 7+8 only
UV-measuring test: September 30th 2010 length of sensor cable: 1m test 2
Start of curing process when
UV lamps 1+2 pass by
Liner fully cured after
passage of UV lamps 7+8
Integral transmission curve of
sensor cable as a function of time
Conditions:
- curing speed: 33cm/min
-UV lamps 1+2+7+8 „On“
- UV lamp (bulb 17cm, center 10cm)
- distance between lamps: 17cm
- length of light chain: 2,48m
Start of curing process when
UV lamps 1+2 pass by
Liner fully cured after
passage of UV lamps 7+8
Integral transmission curve of
sensor cable as a function of time
Conditions:
- curing speed: 33cm/min
-UV lamps 1+2+7+8 „On“
- UV lamp (bulb 17cm, center 10cm)
- distance between lamps: 17cm
- length of light chain: 2,48m
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 19
Laboratory test – sample for calibration
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 20
Laboratory test – sample for calibration
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Prof. Dr. Ulrich Glombitza, Treffen SARTEX– 29. Mai 2009
Paper 1-IS-35 / A NEW UV SENSOR METHOD FOR SEWER RENOVATION Page 21
Thank You For Your Attention!
BKP Berolina Polyester GmbH & Co. KG
Heidering 28
16727 Velten
Germany
Phone: +49 (3304) 20 88 - 100
Fax: +49 (3304) 20 88 - 110
e-mail: [email protected]
Web: www.bkp-berolina.de