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China, Chinese ASME or GB Standard LNG Receiving Storage Terminals1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Chemical Storage Transportation EquipmentLNG Receiving TerminalLNG Receiving Tanks
Taizhou Yuehai Manufacturing Co., Ltd.
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Product Description With the development of the LNG industry, LNG storage is becoming larger and more atmospheric. The domestic design and manufacture has reached 50,000 m3. A single atmospheric storage tank of 250,000 m3 and 160,000 m3 LNG has been established along the coast to receive ship-borne LNG. .At present, LNG storage tanks designed, manufactured and installed in China are mainly 5000m3 and 10000m3, which are widely used in LNG liquefaction plants or LNG peak shaving stations.Main structure typeVertical, cylindrical, bimetal, inner ceiling, outer vault, high thermal angle protectionThe interlayer adopts pearl sand, elastic felt, foam glass brick to keep coldProcess system01. Purge system02. Liquid inlet system03. Drainage system (external and submersible)04. Backflow system after pump05. Sandwich nitrogen supply system06. Liquid level and pressure measuring system07. Temperature measurement system08. Gas exhaust system09.BOG pipeline system10. Analysis and sampling system11. Security system12. Voltage stabilizing system13. Fire fighting systemLNG storage tank design, manufacturing and acceptance standards1. European standard BSEN14620 "Design and on-site manufacturing of vertical, cylindrical, and flat-bottomed cooling liquid storage tanks with an operating temperature of 0oC~-165oC"2. JB/T9077-1999 "Powder Ordinary Thermal Insulation Storage Tank"3. JB/T4735-1997 "Steel Welded Atmospheric Pressure Vessel"4. American Standard API620 "Design and Construction of Large Welded Low Pressure Storage Tanks"5. JB/T4730-2005 "Non-destructive testing of pumping equipment"6. GB50128-2005 "Code for Construction and Acceptance of Vertical Cylindrical Steel Welded Storage Tanks"7. GB/T20368-2006 "Liquefied Natural Gas (LNG) Production, Storage and Transportation"The LNG receiving station is an organic whole composed of many related equipment assemblies. Through the cooperation of these equipment, the LNG transported by sea can be stored in the LNG storage tank through a certain process and transported to the user. These equipments include unloading arms, storage tanks, low-pressure transfer pumps, high-pressure transfer pumps, vaporizers, BOG compressors, flare towers, etc.Unloading armThe role of the unloading arm, as the name suggests, is to transfer LNG from the marine carrier to the storage tank through the corresponding pipeline. It is the first step for the LNG receiving station to receive LNG. The difficulty that needs to be overcome is low temperature preservation and omnidirectional rotation without leakage. In addition to the unloading arm, the receiving station should also be equipped with a gas-phase return arm to prevent the danger of negative pressure in the tank during unloading.Low pressure transfer pumpIts function is to extract LNG from the storage tank and send it to the downstream device, which is an important equipment in the transportation system.High pressure transfer pumpThe function is to directly enter the LNG from the recondenser into the LNG high-pressure transfer pump, and then transfer it to the vaporizer after being pressurized.VaporizerIts function is to vaporize liquid natural gas into gaseous natural gas, and send it into the gas pipeline network after pressure adjustment, odorization, and measurement. Generally, seawater is used as the vaporization medium.BOG compressorIt is used for pressurization and gas transportation, that is, a part of the boil-off gas generated in the storage tank is boosted by the compressor and enters the recondenser for condensation, and then is sent to the vaporizer together with the exported LNG through a high-pressure export pump.Torch TowerThe function of the flare tower is to burn the exhaust gas and adjust the pressure in the tank at the same time.
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