Crygogenic LNG Gasoline Pump LNG Lcng Gas Refuelling Station

         Crygogenic LNG Gasoline Pump LNG LCNG Gas Refuelling Stationcryogenic liquid oxygen nitrogen argon co2 lng pump workshopLNG LCNG Refueling Station: 25Mpa LNG Transer Pump SkidOne. Introduction1.1The medium used in this process system:Liquefied Natural Gas(LNG)     Design Temperature:-196ºC     Working Pressure: before submersible pump ≤1.6MPa, after pump≤2.0MPa; L-CNG high pressure   pump before≤1.6MPa, after pump≤25MPa;1.2 Physical Parameters of LNG:Average Molecular Weight:17.3Main Components:methane(CH4)~ 93.6 %,Ethane(C2H6)~4.12 %Vaporization Temperature: -162.3ºC(atmospheric pressure)Liquid Density:~426 kg/m3 Gas Density:0.772 kg/Nm3 (15.5 ºC) Gas/Liquid Volume Ratio:~625:1(15.5 ºC)Ignition Point:650 ºCRemarks:As the LNG varies from place to place, the physical property parameters must be based on the LNG supplier's.Two.LNG/L-CNG Filling Station Process Flowchart  Unloading Process: Transfer LNG(liquid natural gas) from the tank truck to the LNG storage tank of the gas station through the LNG submersible pump skid(including the unloading truck and the tank booster) at the gas filling station.Pressurization Process: After unloading, the LNG is pressurized to above 23Mpa by the LNG high pressure pump skid, and then gasified into CNG(high pressure natural gas)by the high pressure vaporizer skid(including high pressure vaporizer, high pressure water bath electric heating reheater, and sequence control panel), and enter the high pressure gas cylinder group for storage.Gas Filling Process: When the pressure in the high pressure gas cylinder group is too low to be able to refill normally, the high pressure pump restarts and vaporizes to replenish and pressurize the high pressure gas cylinder group, and refill the car.Liquid Filling Process: LNG is pressurized to about 1.6Mpa by the LNG submersible pump skid, and LNG is filled into the car bottle group through the pipeline and LNG dispenser.Three.The General Process Flow Chart is as follows:LNG/L-CNG Refuel Gas Station Equipment: L-CNG High Pressure Vaporizer Skid LNG/L-CNG Refuel Gas Station Equipment: LNG Submerged Pump Skid   LNG/L-CNG Refuel Gas Station Control System  LNG Dispenser Technical Specification ItemSpecificationFlow Range3-80kg/minMax Working Pressure1.6MPaWorking Temperature-30-+55ºCInlet Flow Meter Type1" low temp mass flow meter E+H/EmersonMeasurement Accuracy±1%Minimum Reading Graduation Value0.01kg or Nm3,LSingle Measurement Range0-9999.99kg(or Nm3,L)Cumulative Measurement Range0-99999999.99kg(or Nm3,L)Filling Hose1" stainless steel soft pipe 4mReturn Air Hose1/2" stainless steel soft pipe 4mNetworking InterfaceRS485(use photoelectric isolation 8KV ESD)Electrostatic Discharge Immunity4class 8KVElectrical Fast Transient Pulse Group Immunity4 class 4KVSurge Immunity4 class 4KVPower SupplyAC220V