Post on 17-Mar-2020
© Siemens AG 2011. All Rights Reserved.
Using MEMS Technology in Natural Gas Applications CPAC Rome Workshop 2011
© Siemens AG 2011. All Rights Reserved.
§ What is MicroSAM and SITRANS CV?
§ More than 50 years history of gas chromatography in Siemens
§ Overview
§ Applications
§ Performance of SITRANS CV
§ 3.1 Measuring Components
§ 3.2 Repeatability
§ 3.3 Accuracy
§ 4.4 MTTR
§ 4.5 Installation
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Industry SectorPage 3
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
History and Product Background
Capillary technology
Column switching
system
Injection technology
1950 198019701960 20001990 2010
Parallel
Chromatography
Applications
Communication
technology
Micro-system
technology
MAXUM II
Specific Siemens developments- automation Acquisition of applied Transferred technologies
MicroSAM
2020 Future
1959 2009
Laboratory Gas Chromatography
(LGC)
Process Gas Chromatography (PGC)
Micro PGC
SITRANS CV
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Industry SectorPage 4
History and Product Background
In spite of the successful installations and smooth operation
of traditional on-line Process Gas Chromatographs…
...there was still a customer desire to
§ reduce capital investment
§ reduce infra-structure
§ reduce lifecycle costs
§ reduce cycle and sample lag times
combined with high analytical performance
§ increase simplicity
§ reduce the amount of maintenance required
§ achieve high availability
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Industry SectorPage 5
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
History and Product Background
1990 199619941992 20001998 2002 2004 2006 2008
Type III
§ Columns
§ Detector
§ Valve
§ Electronic
§ Housing
MicroSAM SITRANS CV Type I
§ Columns
§ Detector
§ Valve
Type II
§ Columns
§ Detector
§ Valve
§ Test in
PGC§ Sales
release
§ Sales release
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Industry SectorPage 6
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
What are MicroGCs ?MicroSAM & SITRANS CV
§ Micro Single Analyzer Module
§ Miniaturized and standardized
process GC based on MEMS
§ Simple, modular & economical
§ Consisting of three parts
(analytics, control & electronics)
§ Application modules
(maintenance-free)
§ Rugged ex-proof design
§ Broad communication flexibility
and networkability
MicroSAM: Solution for typical Process Analytics
SITRANS CV: Solution for Natural Gas Measurement
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Industry SectorPage 7
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
SITRANS CV & MicroSAM
Sta
nd
ard
iza
tio
n L
eve
l
MicroSAM
MicroSAM
Hig
hL
ow
SITRANS CV
MicroSAM
§ Natural gas sample
§ special energy software
§ 2 Modules
§ Low networkability
§ Fixed Communication
§ gaseous sample
§ Process software
§ 11 Modules
§ networkability
§ free configurable
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Industry SectorPage 8
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Performance SITRANS CVMeasuring Components
Components Measuring ranges (mol%)
Methane 50 .. 100
Nitrogen 0 .. 25
Carbon dioxide 0 .. 20
Ethane 0 .. 20
Propane 0 .. 15
i-Butane 0 .. 10
n-Butane 0 .. 10
Neo-Pentane 0 .. 1
i-Pentane 0 .. 1
n-Pentane 0 .. 1
Hexane+ 0 .. 3
Hexane 0 .. 1
Heptane+ 0 .. 3
Octane 0 .. 1
Nonane+ 0 .. 1
Oxygen 0 .. 4
Helium A constant concentration can be added to the component list.
H2S< 500 ppm Not measured
Hexan+ = Group (iso/n-Hexane to iso/n-Nonane)
Heptan+ = Group(iso/n-Hexane) and Group(iso/n-Heptane to iso/n-Nonane)
Nonan+ = Group(iso/n-Hexane),Group(iso/n-Heptane), Group(iso/n-Octane), Group(iso/n-Nonane)
C1 to C6+
+/- oxygen
C1 to C7+
C1 to C9+
Options
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Industry SectorPage 9
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Performance SITRANS CVRepeatability Part 1
Measuring Components and Caloric Values
Concentration (Mean value)
Standard Deviation (absolute)
Standard Deviation (relative)
Mol% %
Superior CV Ho 39.8284 MJ/m3 0.002753 0.006913
Inferior CV Hu 35.9134 MJ/m3 0.002507 0.006981
Density 0.7433 kg/m3 0.000072 0.009645
Relative Density 0.5749 0.000056 0.009661
Wobbe Index 52.5300 0.004761 0.009064
Nitrogen N2 1.3464 Mol% 0.006531 0.485036
Carbon Dioxide CO2 0.3480 Mol% 0.001111 0.319118
Methane C1 97.3048 Mol% 0.008428 0.008662
Ethane C2 0.3982 Mol% 0.001433 0.359759
Propane C3 0.1996 Mol% 0.000715 0.358462
Iso-Butane i-C4 0.0995 Mol% 0.000553 0.556262
n-Butane n-C4 0.1031 Mol% 0.000615 0.596241
neo-Pentane neo-C5 0.0509 Mol% 0.000437 0.857970
iso-Pentane i-C5 0.0494 Mol% 0.000536 1.084269
n-Pentane n-C5 0.0500 Mol% 0.000479 0.956977
Sum C6+ C6+ 0.0502 Mol% 0.000422 0.841165
< 0.01%
Fulfills requirements of ISO 6974-5 for measuring components:
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Industry SectorPage 10
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Density
Calorific value
Ambient temperature: -20°C to +55°C
Performance SITRANS CVRepeatability Part II
PTB approved
… also suitable for extreme environmental conditions
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Industry SectorPage 11
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
11,0500 kWh/m 3
11,063 kWh/m 3
12,429 kWh/m 3
9,720 kWh/m 3
9,450 kWh/m 3
10,778 kWh/m 3
Typical performance specified by gas companies: 0.15%
Performance SITRANS CVAccuracy
Calibration results of a PTB approved SITRANS CV (yearly inspection by authorized company)
Density
< 0.08 %
CVS
< 0.02 %
…superior accuracy < 0.1 % (all calculated values) for various
gas qualities in a natural gas transmission grid
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Industry SectorPage 12
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Performance SITRANS CVMTTR
MTTR:
Mean Time To Repair (MTTR). Average time needed for repair,
taking into account maintenance and downtime.
Test:
§ Exchange the analytical
module (Manual)
§ No expert knowledge
necessary
§ Compare the results
before and after
Source:Shell OP 97-30425: Analyzer Maintenance and Data Acquisition System, AMADAS, with Attachment 1 .. 16
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Industry SectorPage 13
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Performance SITRANS CVOperation & Diagnosis
§ Windows based software guarantees simple operation
§ Self-diagnostics of all analytical
parameters monitors health status
§ Password protected access
guarantees high security
§ Checksum verifies correct
parameter settings
§ Int. mean value calculation
§ Internal trend evaluation
§ Integrated display
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Industry SectorPage 14
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Performance SITRANS CVOperation & Diagnosis
§ Automatic optimization technique increases reliability
§ No time is lost by optimizing
during calibration run
§ Optimization parameters:
column switching time;
retention time windows
§ Logbook
§ Long term data storage
§ reports: 100 days,
§ hourly averages: 1 year
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Industry SectorPage 15
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Performance SITRANS CVInstallation
§ No additional hardware is
necessary for the
§ C9+ measurement
(in comparison to the
C6+ measurement)
§ Short cycle time with 100 sec.
§ Same analytical
performance as the
§ analytical standard method C6+
§ Repeatability : < 0.01 mol%
§ Accuracy: < 0.1 mol%
§ Same operation cost
(power and carrier gas)
§ as the standard SITRANS CV C6+
measurement
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Industry SectorPage 16
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Temperature
Range- 20 °C to + 55 °C
Instrument airnot required
Power 24 V DC; 15 VA
Weight15 kg
Sample streams3x sample,
1x calibration
ProtectionIP 65
NEMA 4X
Carrier gasHelium (typically)
Consumption: < 35 ml/min
standby modus: 6 ml/min
Hazardous ClassATEX 2 G EExd IIC T4
CSA Class 1 Div. 1, Group B,C,D
FM Class 1 Div. 1, Group B,C,D
FM Class 1 Zone 1, Group IIB+H2
AccommodationDirectly on the pipe,
in a protective housing
or in analyzer shelter
Performance SITRANS CVInstallation
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Industry SectorPage 17
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
Applications
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Industry SectorPage 18
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
ApplicationsNatural Gas Consumer
Application:
Factories that need a huge amount
of heat prefer natural gas as clean
and efficient fuel.
Purpose:
§ Quality monitoring
§ Process control
Analysis:
§ Wobbe index and calorific value
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Industry SectorPage 19
Application
Performance
MicroSAM &
Sitrans CV
History &
BackgroundApplication
§ Raw Natural gas from the wells must be processed to
‚pipeline quality‘ gas.
§ Removal of different components
Analysis
§ Process control
§ Quality requirements of
Natural gas before feeding
into pipeline system
ApplicationsNatural Gas Processing
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Industry SectorPage 20
Application
Performance
MicroSAM &
Sitrans CV
History &
BackgroundApplication
§ Transfer to another country
§ Custody transfer:
Selling NG from one company
to another
Purpose
§ Energy Content:
§ Assure Quality
(Properties are withing specified
parameters)
Analysis
§ Calorific value, Wobbe Index, Density
§ Output of individual components
to flow computer
ApplicationsPipeline Metering Station
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Industry SectorPage 21
Application
Performance
MicroSAM &
Sitrans CV
History &
BackgroundApplication
§ Compress NG for transportation
in pipeline
Purpose Analysis
§ Quality Assurance
§ Protect Compressors, equipment
& pipeline
§ Gas blending for turbine
(If the gas comes from different
wells and change composition
quickly)
Analysis
§ Calorific value, Wobbe Index
ApplicationPipeline Compressor / Blending Station
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Industry SectorPage 22
Application
Performance
MicroSAM &
Sitrans CV
History &
BackgroundApplication
§ Storage of Natural Gas
Purpose Analysis:
§ Quality check
§ Fiscal metering
Analysis
§ CV, Wobbe Index, Density
§ Sample composition for flow computer
Particular Benefits
§ Reliability, self optimization
§ Plug & Play repair
ApplicationNatural Gas Storage
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Industry SectorPage 23
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
SITRANS CV
Fuel control section of a
power plant in Thailand, Asia
MicroSAM
Gas export metering skid in UK,
Europe
From customized solutions to standard sets (Set CV)
SITRANS CV
Gas transmission station
in Romania, Europe
ApplicationEconomical by system standardization
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Industry SectorPage 24
Application
Performance
MicroSAM &
Sitrans CV
History &
Background
ApplicationEconomical by modularity & miniaturization
From onshore installations to offshore solutions
Offshore Fiscal Metering
Alvheim FPSO, Norway
Onshore Fiscal Metering
Biogas Plant, Germany
© Siemens AG 2011. All Rights Reserved.
Dr. Stefan Malcharek
Product Manager
SC / Karlsruhe / I IA SC PA PRM
Siemensallee 84
76187 Karlsruhe
Phone: +49 (721) 595 6257
Fax: +49 (721) 595 893 6257
Cellular: +49 (173) 289 2605
E-Mail: stefan.malcharek@siemens.com
Using
MEMS
Te
hnology
in
Natural
Gas
Applications
Thank you for your attention!