continuous on-line concentration and density measurement via … · 2020. 7. 22. · 4 µ - icc...
TRANSCRIPT
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Continuous On-line
Concentration and Density Measurement
via Microwave Technology
pro | M | tec Theisen GmbHPforzheimer Str. 162
D-76275 Ettlingen
+ 49 7243 5306 - 0
+ 49 7243 5306 - 11
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… before we show the technology:
Some words about pro/M/tec:
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pro/M/tec is located in the South-West of Germany, in the Black Forest.
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Company was formed in 1996 and intro-duced the microwave technology to control the sugar crystallisation.
International business. By 2005 over 1.500 instruments have been placed all over the world. You find pro/M/tec-installtions in all continents.
Market activity only for industrial process control:originally for the SUGAR INDUSTRY.
Focussing to microwave measurement technology for the online determination of density and concentration in liquids:
Inline Concentration Control µ-ICC 2.45
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Microwave signalbefore transmission
Microwave signal afterradiated through
PHASE SHIFT
Radiated micro-waves suffer a
phase shift
ATTENUATIONWhile radiating
through themedium themirowavessuffer an
attenuation
… basic principles of the microwave technology
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… basic principles of the microwave technology
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… typical installation for pan application:
sealing
insertion length 148
insulating
14
M 1
2
Ø 1
30
Ø 1
00
pan wall
45
microvawemeasuring field
MICROWAVE
pro/M/tec
CONCENTRATION/-DENSITY - SENSOR
LAB
µ-ICC 2.45
RUN
PLL OPERATINGTR
MODEL NO. µ-ICC 2.45 MODULE
MADE IN GERMANY
DATA - LINEDC - POWER
ext.
TEM
P.
PT
100
/ 0
externalO
PTION
pro/M/tec THEISEN GmbH Pforzheimer Str. 162 D - 76275 Ettlingen www. pro-m-tec.de
SERIAL NO.
ON
RUN
CONTRAST
F2
F3
F4
µ - IC C 2 .45
pro Mtec//pro Mtec//LOCK
wz2 Kristallisation A1
%Trocke nsubs ta nzgeh alt
-23.9 dB 223.3 °
17.25:5906.09.00Sensor 1
Fehlerstatus : 10 90
5.5 86verfügbarer Messbereich %
Skala %
- +
F1
70.9 °C D : Temp. Prod. : P :
Mikrowellen-KonzentrationsmessungMicrowave-Concentration-Measurement
ISOLATED OUTPUTS4x 0/4 - 20 mA
MODEM DATA - LINERS 232/485 µW-SENSOR
AC: 90-270V ~ 45-68 Hz 70WDC: 18-36V 2A
pro/M/tec THEISEN GmbH Pforzheimer Str. 162 D - 76275 Ettlingen www. pro-m-tec.deMADE IN GERMANY
MODEL NO. µ-ICC 2.45
SERIAL NO.
AC 90-270V~or DC 18-36V
output0/4 - 20 mA
max
. 150
m
50 ΩBNC-plug
coaxial cable RG 58
mic
row
ave-
mod
ule
evaluation unit
Ø 1
60
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… basic principles of the microwave technology
MICROWAVE PHASE SHIFT AND ATTENUATIONCORRELATES WITH THE WATER CONTENT OFTHE MEDIUM.
WATER CONTENT CORRELATES WITH THE DRYMATTER CONTENT.
THE BEST AND SENSITIVE SIGNAL IS THEPHASE SHIFT.
MICROWAVE PHASE SHIFT MEASURES THECONCENTRATION, DENSITY, DRY MATTER ORWATER CONTENT OF THE MEDIUM.
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1. MICROWAVE SENSOR
4. MEMORY CHIP
2. MICROWAVE MODULE
Max 3 m
3. EVALUATION UNIT
Max 150 m
… typical components that make up a system:
or
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Microwave evaluation unit µ-ICC 2.45and the compact microwave module
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Microwave evaluation unit µ-ICC 2.45and the microwave sensor for pans
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Microwave measurementsystem µ-ICC 2.45 forpipeline
MODULAR EXTENSION
FOR UP TO 4 UNITS ON
ONLY ONE CONTROLLER.
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Multiple installation of µ-ICC 2.45 controllers
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Process Value
Details des Microwavesignal: Phase, Attenuation and Producttemperature, and Range
Softkeys
Date, Time, Measurementpoint Description
… all relevant, important measurement informationin the main displaypage
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Sensors- typical installation
Rod SensorsDirect mounting in a boiler
Inline-SectionDN40-DN150
Insertion SensorsInstallation below a pan
Flat Sensors in a pipe
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… advantages of the microwave technology:
THE MEASUREMENT IS INSTALLED INLINETO THE PROCESS. NO BYPASS.
MICROWAVE TRANSMISSION OF REPRESENTATIVECROSS-SECTION WILL MEASURE THE PRODUCTSTREAM CORRECTLY. IT MEASURES WHAT COUNTS.
MICROWAVE MEASUREMENT DOES NOT REQUIREOPTICAL TRANSPARENCY OF THE PRODUCT.THEREFORE IT IS ALMOST INDEPENDENT OFCONTAMINATION AND DEPOSITS ON THE SENSOR.
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Where do we use it in the sugar factory ?
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Inline Concentration Control µ-ICC 2.45Applications in the sugar industry:
• Crystallization pan control:all typs of the crystallization processfor product and seed magma pans in discontinuous (batch) and continuous technologyinstalled vertical, horizontal or in a cascade.Also use for cooling crystallization.
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Inline Concentration Control µ-ICC 2.45Applications in the sugar industry:
• Evaporator and concentrator control:thinjuice and thickjuice control to optimizeevaporator work in each step.Thickjuice conditioning to stabilize standardliquor dry substance content.Thinjuice control to compensate thickjuiceirregularities what my cause instabilities in thecrystallization.Thickjuice, syrup and feed syrup control to in-crease dry substance content in order to minimizethe amount of water introduced to the sugar houseto save energy consumption.
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Inline Concentration Control µ-ICC 2.45Applications in the sugar industry:
• Any installation on pans, tanks, vessels, mixersor pipelines to control any liquid, massecuite,syrup and crystal suspensionfor the inline process control.
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80
82
84
86
88
90
92
94
96
0 20 40 60 80 100 120 140 160 180 200
Sample
wD
S (%
)
0
10
20
30
40
50
60
70
80
90
100
Leve
l (%
)white sugar crystallization
Lab
µ-wave
level
… main application: batch crystallizers
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BEST INSTALLATION POINT IS ALWAYS BELOW CALANDRIA
IN CYLINDER PART
OR CONE AREA.
Best results will be expected for pans with stirrer.
… typical installation in batch pans:
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Thick juice pipeline
69,0
69,5
70,0
70,5
71,0
71,5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Samples
wD
S (%
)
laboratoryµ-waverefractometer
… inline application for thick juice control
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y = x - 0,0006R2 = 0,994
69
70
71
72
73
74
75
76
77
78
79
69 71 73 75 77 79
Lab
µ-w
ave
standard deviation ± 0,2 Bx
Thick juice pipeline DN 150
… inline application for thick juice control
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… inline application for thick juice control
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Conti pan
80
82
84
86
88
90
92
94
96
98
100
0 20 40 60 80 100 120 140 160 180 200
time (min)
w D
s (%
)
chamber 4chamber 2
… application for continuous pan boiling
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… installation directly into mixer wall
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Application Span
• Concentration and Density of almost all Mixtures, Suspensions, Solutions, Emulsions, Dispersions, Slurries IN WATER
• Boiling • Mixing• Concentrating / Diluting• Evaporating• Quality Control
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Danke / Thank you !