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The LNG gas supply system

The LNG gas supply system:

  The LNG gas supply system can provide low-pressure gas supply and high-pressure gas supply overall system solutions, fully satisfying WinGD two-stroke low-pressure main engine, ME-GI two-stroke high-pressure main engine, Wärtsilä, MAN-DF, MAK, Rolls-Royce, NIGATA four-stroke engine , The gas supply demand of different models such as gas boilers.
In order to verify the rationality of the GasLink™ FGSS system technology and process design, the scientificity of key equipment selection parameters, the accuracy of the PLC program of the electrical control system, and the provision of crew training, Qingdao Shuangrui developed China’s first simulation platform for FGSS .
  The system stores LNG fuel in low-temperature storage tanks, and provides gas fuel that meets the needs of gas supply equipment through pump pressurization and water/glycol vaporization heating to realize the LNG fuel supply function. Multi-point data acquisition is adopted to realize highly integrated automatic control, and the control system and safety system are designed independently to ensure the safe operation of the gas supply system.
   Adopt multi-working condition hierarchical control technology and buffer tank volume simulation verification to ensure the stability of system gas supply.

The LNG gas supply system:

High pressure gas supply system P&ID

-Air supply pressure: 200~300 bar (host), 6~9 bar (generator);

-Air supply temperature: 45±10 ℃;

-System composition: filling unit, LNG storage tank & TCS, LNG high pressure pump unit, LNG high pressure & low pressure vaporization heating unit, BOG compressor unit, water/glycol circulation unit, control system and ESD system;

-Optional equipment: ship-to-shore connection system, ventilation system, gas detection system, nitrogen supply system and double-wall pipes, etc.;

-Supporting models: high-pressure 2-stroke main engine, low-pressure 4-stroke generator, gas boiler, etc.
Low pressure gas supply system P&ID

-Air supply pressure: 10~14 barG (host), 6~8 barG (generator);

-Air supply temperature: 0~60 ℃;

-System composition: filling unit, LNG storage tank & TCS, LNG vaporization heating unit, BOG compressor unit, water/glycol circulation unit, control system and ESD system;

-Optional equipment: ship-to-shore connection system, ventilation system, gas detection system, nitrogen supply system and double-wall pipes, etc.;

-Supporting models: low-pressure 2-stroke main engine, low-pressure 4-stroke main engine, generator, gas boiler, etc.
Project
Products
Electric actuator specifcation: ON-OFF TYPE, 4- 20MA regulator type function Explosive-proof or non explosive proof.
Voltage  available: DC12,DC24V,AC110V,AC220V,AC240,AC380V
Running times: 10S, 30S, 60S

Pneumatic actuator specification: Double acting/single acting Pneumatic actuator, NAMUR mount Airline. Anodized aluminum actuator, working air pressure: 6-7Bars, rack & pinion type.

Valve structure: Threaded(two pieces,three pieces)
Valve size: DN10~DN100                                
Valve Body: WCB, SS304, SS316, SS316L
Valve Ball: SS304, SS316, SS316L
Valve Pressure: PN10,PN16, ANSICL150/CL300/CL600, JIS10K/20K
Working Temperature: -15~150℃
Working media: Seawater, Cooling water, Wastewater, pure water
 
Electric actuator specifcation: ON-OFF TYPE, 4- 20MA regulator type function Explosive-proof or non explosive proof.
Voltage  available: DC12, DC24V, AC110V, AC220V, AC240, AC380V
Running times: 10S, 30S, 60S

 Pneumatic actuator specification: Double acting /single acting Pneumatic actuator, NAMUR mount Airline. Anodized aluminum actuator, working air pressure: 5-7Bars, rack & pinion type.

Valve structure: wafer type
Valve size: DN40~DN1200
Valve Body: WCB, Ductile iron, SS304, SS316,
Valve Disc: Aluminum bronze C954, SS304, SS316
Valve Seat: EPDM,NBR 
Valve Pressure: PN10, PN16, ANSICL150/CL300/CL600, JIS10K/20K
Working Temperature: -15~85℃
Working media: Seawater, Cooling water, Wastewater, pure water
 
Non return Check Valve
Non return Check Valve
Body: Ductile Iron, WCB or SS304, SS316
Disc: Aluminum bronze C954, SS304,SS316
Seat: NBR, Metal hard
Presure: ANSICL150,PN10  PN16,JIS10K 20K
End connection: Wafer 
Working Temperature: -15~120℃
Working media: Seawater, Cooling water, Wastewater, pure water
 
Globe Valve
Material: WCB, SS304, SS316
Seat: Metal hard
Pressure: PN10, PN16, ANSICL150, ANSICL300, JIS10K
End connection: Flange, Thread.
Working Temperature: -15~120℃
Working media: Seawater, Cooling water, Wastewater, pure water
 
Electric actuator specifcation: ON-OFF TYPE, 4- 20MA regulator type function Explosive-proof or non explosive proof.
Voltage  available: DC12,DC24V,AC110V,AC220V,AC240,AC380V
Running times: 10S, 30S, 60S

Pneumatic actuator specification: Double acting /single acting Pneumatic actuator, NAMUR mount Airline. Anodized aluminum actuator, working air pressure: 6-7Bars, rack & pinion type.

Valve structure: RF /FM Flanges
Valve size: DN15~DN200                                
Valve Body: WCB,SS304,SS316,SS316L
Valve Ball: SS304, SS316, SS316L
Valve Pressure: PN10, PN16, ANSICL150/CL300/CL600, JIS10K/20K
Working Temperature: -15~150℃
Working media: Seawater, Cooling water, Wastewater, pure water
 
Electric actuator specifcation: ON-OFF TYPE, 4- 20MA regulator type function Explosive-proof or non explosive proof.
Voltage  available: DC12, DC24V, AC110V, AC220V, AC240, AC380V
Running times: 10S, 30S, 60S

 Pneumatic actuator specification: Double acting /single acting Pneumatic actuator, NAMUR mount Airline. Anodized aluminum actuator, working air pressure: 5-7Bars, rack & pinion type.

Valve structure: Flange type
Valve size: DN50~DN1000                                
Valve Body: WCB,Ductile iron,SS304,SS316,
Valve Disc: Aluminum bronze C954,SS304,SS316
Valve Seat: EPDM,NBR 
Valve Pressure: PN10, PN16, ANSICL150/CL300/CL600, JIS10K/20K
Working Temperature: -15~85℃
Working media: Seawater, Cooling water,Wastewater, pure water
 
Swing Check Flange Valve
Body: WCB or SS304,SS316
Disc: SS304, SS316
Seat: Metal hard
Presure: ANSICL150, PN10  PN16, JIS10K 20K
End connection: Flange
Working Temperature: -15~120℃
Working media: Seawater, Cooling water, Wastewater, pure water
 
Flexible Rubber Joint
Body: WCB, SS304, SS316
Rubber: Natual Rubber, EPDM, NBR Single ball or two balls
End connection: PN10/PN16/ANSICL150/300/JIS10K
Temperature: -15~85℃
 
 
 
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 WhatsApp : +86-17317982006

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