-
DH Industries Francesco Dioguardi
March 1, 2016
-
Our brands
Stirling Cryogenics: Several types of Cryogenerators to produce on site cooling power
2
CryoZone:
Several types of pumps and circulators for cryogenic gases and
liquids.
-
Cryo generators
StirLIN
StirLNG
StirLOX
StirLAIR
Tailor made cooling systems
Custom design cooling
solution
Heat exchangers
CryoPump
CryoFan
Brands & Product portfolio
6
-
Bio Storage
Healthcare
LNG & Bio gas
High Temperature Superconductivity
Research & University
Maritime
Space & Observatory
Nuclear Food & Beverage
Markets
10
-
A brand name of
StirLNG (Re-) Liquefaction of methane gas
5
-
A brand name of
StirLNG
ON-SITE LNG PRODUCTION
-
A brand name of
StirLNG-1
-
A brand name of
StirLNG-4
-
A brand name of
StirLNG
(RE-) LIQUEFACTION OF METHANE GAS
-
A brand name of
Three distinctive LNG markets
Creation of LNG: Production of LNG from a gas source, mostly bio-methane but also
pipeline or stranded gas.
Conditioning of LNG in the supply chain:
Keeping the LNG condition at required temperature and pressure by compensating thermal heat losses On-land storage tanks
Maritime fuel and cargo tanks
-
A brand name of
Easy process integration
Stirling Cryogenerators Internal cold generation by He gas:
methane is not part of process
Simple integration: at the LNG process side the Stirling Cryogenerator is only a heat-exchanger.
Small enough & efficient to fit biogas size liquefaction
Capacity range 0.25 to > 10 ton/day.
-
A brand name of
Easy process integration
Heat exchange to liquefaction process
gas in
liquid out
Nordic Biogas Conference
-
A brand name of
THE STIRLING CYCLE
to create cryogenic cooling power
-
A brand name of
Stirling Cryogenerator interior
August 28, 2014 Nordic Biogas Conference
Stirling thermodynamic cycle
-
A brand name of
Stirling thermodynamic cycle
Regenerator
Step 1: Compression Helium gas is compressed Gas temperature rises
Step 2: Cooling Compression heat is removed; The helium gas is pre-cooled in the regenerator before expansion starts
Step 3: Expansion By expansion, energy is extracted from the gas and thereby the temperature goes down thus cooling the cold head
Step 4: Displacement Gas is displaced back to the compression space; the cold from the helium gas is stored in the regenerator during displacement to step 1
-
A brand name of
PRODUCTION OF LNG FROM (BIO)METHANE GAS
-
A brand name of
Methane gas specifications The methane gas to be fed to the cryogenerators
shall be of a quality that prevents clogging of the heat-exchanger Main stream CH4
CxHy (C2 to C4) < 10%
CxHy (C5+) < 1 ppm
CO2 < 50 ppm*
H2O < -70ºC dew point
H2S < 3,3 ppm
Oil content < 0,01 mg/m3
Particles < 0,1 micron
N2/O2 < 10%, (non-condensable to be vented)
-
A brand name of
Liquefaction directly into main storage vessel
Purified gas is fed to the cryogenerator
Gas is liquefied and fed to main storage vessel
-
A brand name of
Purified gas is fed to the cryogenerator
Gas is liquefied into transfer vessel
Periodic transfer to main storage vessel
Liquefaction through transfer vessel
-
A brand name of
Liquefaction of feed gas @300K
-
A brand name of
CONDITIONING OF LNG
-
A brand name of
Re-liquefaction of boil-off gas directly into storage vessel
Cold boil-off gas is fed to the cryogenerator
Gas is re-liquefied and fed back to main storage vessel
-
A brand name of
Re-liquefaction of boil-off gas through transfer vessel
Cold boil-off gas is fed to the cryogenerator
Gas is re-liquefied into transfer vessel
Periodic transfer to main storage vessel,
-
A brand name of
Re-liquefaction of cold feed gas
-
A brand name of
StirLNG
(RE-) LIQUEFACTION OF METHANE GAS BY COOLING OF LIQUID
-
A brand name of
(Re-)liquefaction by LNG liquid cooling
Using the existing pump of an LNG fueling station, LNG from the tank is circulated through the cryogenerator
The liquid is cooled, reducing its temperature
The liquid is fed back to the tank, spraying it at the top.
The cold liquid will condense gas, reducing pressure of the tank.
At the same time the liquid content is cooled, absorbing heat penetrating the tank insulation
-
A brand name of
(Re-)liquefaction by LNG liquid cooling
-
A brand name of
StirLNG
MARITIME USAGE
-
A brand name of
Adaptation for Maritime usage
Corrosion prevention for maritime circumstances
Oil system and liquid outlets adapted for 22,5o dynamic roll and pitch, refer to videos Pitch
Roll
Static tilting up to 15o
For USCG: separation of Cryogenerator and motor by bulk head with rotating seal
ABS Certified, other notified bodies upon request
MVI_1140 22.5 graden dynamisch 0.0666Hz.MOVMVI_1232 22.5 graden dynamisch op 0.06 Hz.MOV
-
A brand name of
Adaptation for Maritime usage
-
A brand name of
On board installation of StirLNG system
-
A brand name of
StirLNG-16
-
A brand name of
StirLNG-16
For production of 2 - 6 TPD LNG or re-liquefaction of 4 - 10 TPD of BOG
4x StirLNG-4 combined on one skid, inclusive intermediate vessel and transfer system
Plug and play design: all equipment pre-installed
Fully automatic operation
Compact design, fits 20’ container
Each StirLNG-4 can work independently
For -5°C to 45oC operation, optional to -20°C
-
A brand name of
StirLNG-16
-
A brand name of
StirLNG-16
-
A brand name of
StirLNG-16