ANALYSIS AND MANAGEMENT OF GAS PROCESSES FROM REMOTE - Regas Italia
←
→
Page content transcription
If your browser does not render page correctly, please read the page content below
ANALYSIS AND MANAGEMENT
OF GAS PROCESSES
FROM REMOTE
GRETA
+
INGRID
GRETA
GRETA
GRETA
CITY GATE
STATION
INGRID
GAS CONTROL
CENTER
GRETA What is GRETA?
GRETA is a modular multi-function system based on:
H2 INJECTION
1 field analysis devices,
consisting of miniaturized gas
chromatographic systems that
2 smart SCADA able to process
data received from the field and
activate advanced processes on
GRETA, A NEW METHOD allow fast gas analysis with a gas distribution and transmission
high degree of reliability; networks.
OF MANAGING THE GAS NETWORK
GRETA | 2 GRETA | 3
GRETA THE MINIATURIZED
CHROMATOGRAPHIC MODULE
FIELD ANALYSIS DEVICE
18 cm
GRETA device is a miniaturized It will therefore no longer be
gas chromatographic system,
housed in a casing of reduced
necessary to engage operators
to perform gas analysis, thus
1 Kg
size and weight and installed on providing obvious economic and
the field. managerial advantages.
It is connected directly to The technology is patented
the gas network and has internationally and is certified for
the same functions as a gas installations in ATEX Zone 1*.
chromatograph, with the
advantage that it remains field-
installed and allows the collection
of remote analysis data.
COMPONENTS
Each device has everything necessary
to operate independently, record the
analyzed data and send it to SCADA.
Indicatively, each module consists of: Each GRETA field module Each module is easily accessible
integrates, depending on the and can be removed by following
1. IP65 container or certified for
ATEX Zone 1* configuration, from 1 to 4 gas
chromatographic modules that
a few simple steps. The modules
have a wide life cycle (from 5 to
2. High speed remote control
and communication system
allow the analysis of various
compounds. The form factor
10 years) and guarantee a very
low consumption of calibration
of the modules ensures a high and carrier gas. Consequently,
3. Housing base for 1, 2 or 4
miniaturized gas
chromatographic modules
degree of protection against
external factors, allowing
management costs are minimal
compared to any other analysis
outdoor installation without device capable of ensuring the
4. Gas conditioning fluidics
particular limitations. same performance.
5. Inputs and outputs for remote
control
* : avaliable from January 2019
GRETA | 4 GRETA | 5POSSIBLE APPLICATIONS TECHNICAL SPECIFICATIONS
1 DIMENSIONS GC COLUMNS
2
ADVANCED MANAGEMENT
OF GAS ODORIZATION Module Weight Thermal Conductivity Detector (TCD)
1 kg
GRETA detects the odorization rate present in BIOMETHANE Range from ppm to %
Assembly weight
the network and transmits it to SCADA, where
10 kg Loop volume 2 o 20 µL
an advanced control and analysis system GRETA field analysis device contains
combines the data received with what is miniaturized gas chromatographics that External enclosure dimensions (LxWxH)
collected from other points in the network: ensure the measurement of specific 320x240x200 mm
REPEATABILITY
compounds.
Module dimensions (LxWxH)
PRESSURE 174x94x54 mm
TEMPERATURE CH4 RSD below 0.1% for concentration
FLOW RATE CO2 above 60% and 1% for lower concentration
N2 GAS CARRIER
The control and analysis system then H2
identifies the optimal set-point to be O2 OPERATING CONDITIONS
H2S External cylinder
automatically set on the network odorizing
systems, in order to guarantee, at the point THT/TBM Helium, hydrogen, nitrogen, argon Environmental -20°C – +60°C
of remote analysis, a constant odorizing
temperatures
concentration. The gas chromatographic technique ensures
COMMUNICATION
3
data reliability. Relative humidity 25-75%
(non-condensing)
Through the analysis of the indicated Wired Ethernet Column 40°C – 140°C
DETECTION compounds, GRETA system determines the
Possibility to remote control by means of 3G temperatures (isothermal)
useful values for the quality analysis of the
OF SPECIFIC COMPOUNDS biogas injected into the grid. Very frequent connection
Injector 80°C – 120°C
measurements are possible. temperatures
The modular structure of GRETA field analysis
device allows the accurate identification of SOFTWARE 0.5 – 2 bar
many different compounds in natural gas: WOBBE INDEX Column pressures
HIGHER CALORIFIC POWER ± 0.01 bar
LOWER CALORIFIC POWER Process and laboratory software
PERMANENT GASES RELATIVE DENSITY
SULFUR COMPOUNDS OXYGEN CONTENT Web Application compatible with common POWER SUPPLY
ALKANES CARBON DIOXIDE CONTENT web browsers and able to monitoring,
ALKENES HYDROGEN SULFIDE CONTENT scheduling and elaborating measurements
24 Vdc, 2 A
ODORANT CONTENT (optional)
Greta is therefore ready for the next gas
market challenges, such as real-time The system complies with OIML R-140
monitoring of: and can be integrated in custody transfer
measurement systems. In addition, it is
PERMANENT GASES compliant with the provisions of UNI / TR GAS COMPOUNDS DETECTED BY GRETA MINI-GC MODULES
SULFUR COMPOUNDS 11537.
ALKANES
ALKENES Permanent gases Hydrogen, Oxygen, Nitrogen, Carbon Monoxide, Carbon Dioxide
Sulfur compounds Hydrogen Sulfide, Carbonyl Sulfide, Tetrahydrothiophene, Mercaptans
As is the case in the odorization management,
the processed data can be used to monitor Alkanes Methane, Ethane, Propane, Butane, Pentane, Hexane, Cyclohexane, Heptane,
other complex processes in the area of Octane, Nonane, Decane, Undecane, Dodecane
the smart management of gas grid
(e.g. constant monitoring of H2 in power-to- Alkenes Ethylene, Propylene, Trans-2-Butene, 1-Butene, Isobutene
gas applications).
GRETA | 6 GRETA | 7SALES & HEAD OFFICE FACTORY
Via dell’Innominato, 10 Via Lago Maggiore, 7
24053 Brignano Gera D’Adda Monticello di Fara – 36040
(BG), Italy Sarego (VI), Italy
Tel. (+39) 0363 815867 Tel. (+39) 0444 821499
Regas Srl – Milan, Italy
www.regas-italia.com – regas@regas-italia.comYou can also read
