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LNG Fueling Station Basic Principles (PURPOSE (LNG storage, LNG dispense…
LNG Fueling Station
Basic Principles
PURPOSE
LNG storage
LNG dispense to customers
0 HC emissions
Safety Leve - Public
Extension of existing fueling stations
Unmanned operation
DESIGN
Equippment
LNG storage tank
Desing
Cryogenic storage
Double walled
MAWP 11 barh
OP 0 to 8 barg
Plumbing
Off-load line
2x pump feed
Pump return
Dispensers return
LIN cooling coil
Pressure safety armatures line
Pressure and Level Instrumentation line
NG Vent stack
N2 Vent stack
Pelrite-Vacuum insulated
Purpose
LNG storage
Off-load skid
Design
Plumbing
Vent line
Thermal Safety valves
Manual vent
Instrumentation
Local pressure gauge
Local pressure transmitter
Local temperatute transmitter
LNG storage tank pressure and level gauge
2x gas detector
N2 purge
N2 high pressure cylinders
purge connection and valve
Off-load connector EIGA DN65
Off-load line w/ 2 automated shutt-off valves
Control
Control panel
Smart grounding interface
ESD interling socket
Purpose
LNG storage tank refilling (off-loading) interface
Control over off-loading process
Dual Pump skid
Purpose
LNG discharge from storage tank
LNG discharge to LNG dispenser
{via SOF skids)*
LNG discharge to Bulk Saturation Vaporizer
2x independent streams
Design
Plumbing
Manual vent
2x Vent line
2x Pump Sump incl. submerged pump
Sumps suction and return lines
Thermal Safety valves
Instrumentation
Local pressure gauges
Local pressure transmitters
Local temperatute transmitters
2x Pump safety power switch
Sumps/pumps discharge lines
Stream 600 Bulk saturation discharge
Control
Sumps floodjg control
Bulk saturation control
pumps discharge pressure control
LNG Dispensers
Purpose
Station-customer interface
LNG dispense
Fuel tank vapor return
POS interface
Hydraulic/Electronic separation
ATEX/non-ATEX
Design
Plumbing
Metering olumnc
Dispense control valve
Circulation control valve
Dispense hose w/ fueling nozzel
Vapor return w/ vapor nozzle
2x Break-Away device
Instrument Air
Instrumentation
Local pressure gauge
Local pressure transmitter
Local temperature probe
Density transmitter
Flowrate transmitter
Control
Purge unit
Flow computer FC300
ADPT PLC
POS communication unit
Bulk Saturation Vaporizer
Purpose
Heat transfer to LNG
Phase change
Design
MAWP 40barg
Aluminium starfins
Aluminium structure
Flange connection
Instrumentation
NA
Control
NA
LIN storage tank
Purpose
LIN storage
Design
Plumbing
Pressure and Level Instrumentation line
Pressure safety armatures line
Liquid outlet
PBU circuit
STD filling connector
Top and bottom filling
1000 L volume
MAWP 18 barg/31 barg
OP 4 barg
Doubble walled
Cryogenic storage
MLI-vacuum insulation
Safety field instrumentation
Purpose
Environment continuous check
Alarm/ESD at gas/fire/leak detection
Design
4x Gas detector around station
2x Gas detector at Off-load skid
2x Gas detecors at LNG dispensers (1x per dispenser)
1x Flame detector
1x LNG leak temperature probe
Control System
Purpose
Station process control
Station safety control
Unmanned station operation
Station process data reading
Hi voltage (power)
Low voltage (instrumentation)
Design
20ft intermodal containter
Power panel
Control Panel
Instrumnt air compressor w/ accessories
Modular SW design
Remote Monitoring application
FUNCTIONALITY
