LNG Storage Tank
LNG stands for Liquefied Natural Gas. Its primary component is methane. LNG is colorless, odorless, non-toxic, and non-corrosive. Its volume is approximately 1/600th that of an equivalent volume of gaseous natural gas, and its weight is about 45% of the same volume of water. The calorific value is approximately 52 MMBtu per ton (1 MMBtu = 2.52×10^8 calories).
Model:
CFL-5/0.8，CFL-10/0.8，CFL-15/0.8，CFL-20/0.8，CFL-30/0.8，CFL-50/0.8，CFL-60/0.8，CFL-100/0.8，CFL-150/0.8...
CFW-5/0.8，CFW-10/0.8，CFW-15/0.8，CFW-20/0.8，CFW-30/0.8，CFW-50/0.8，CFW-60/0.8，CFW-100/0.8，CFW-120/0.8，CFW-150/0.8…
Low-temperature storage tanks are designed and manufactured in strict accordance with national standards, widely used for the storage and use of cryogenic liquids such as liquid oxygen, liquid nitrogen, liquid argon, liquid carbon dioxide, liquid natural gas, and liquid ethylene. They come in various working pressures and specifications. Equipped with unique high-vacuum insulation technology, they offer excellent insulation properties, long-lasting vacuum maintenance, and extremely low operating costs. Modular pipeline systems and high-configured components enhance the equipment's performance and durability, reduce maintenance costs, and significantly boost your competitive edge.
Introduction:
Low-temperature thermal insulation tanks are of vacuum powder insulation type, consisting of a double container structure with an inner container and an outer container, which can be divided into vertical and horizontal types. The inner container is made of Austenitic stainless steel, specifically S30408, based on the medium it contains. The outer container material is selected as Q345R depending on the user's location, and the space between the inner and outer containers is filled with insulation material called mica sand and then vacuumed.
Usage:
Liquid Oxygen (LO2), Liquid Nitrogen (LN2), Liquid Argon (LAr), Liquefied Natural Gas (LNG), Liquid Carbon Dioxide (LCO2)
Thermal Insulation Performance:
Insulation materials use pearl-like sand filling in the sandwich layer under heat conditions and then vacuuming. The standard vacuum degree after the sandwich is sealed is:
Sealing Vacuum Gauge
Design Parameters:
Design Pressure: 0.84 Mpa, 1.32 Mpa, 1.68 Mpa
Operating Pressure: 0.8 MPa, 1.2 MPa, 1.6 MPa
Design Temperature: -196℃
Operating Temperature: -196℃
Effective Volume: 2.5m³, 3.5m³, 5m³, 10m³, 15m³, 20m³, 30m³, 50m³, 60m³, 100m³
Definition:
LNG stands for Liquefied Natural Gas.
The primary component is methane. LNG is colorless, odorless, non-toxic, and non-corrosive. Its volume is about 1/600 of the same amount of gaseous natural gas, with a weight approximately 45% of the same volume of water. The calorific value is around 52MMBtu/ton (1MMBtu = 2.52×10^8 calories).
Formation:
The natural gas produced from the gas field is first purified and then liquefied under ultra-low temperature (-162℃) and atmospheric pressure to form liquefied natural gas.
The critical temperature of LNG between gas and liquid phases at atmospheric pressure is -162℃.
The standard commonly used in LNG manufacturing is API 620.
Meaning:
Liquefied Natural Gas (LNG) storage tanks are specialized products for storing liquefied natural gas, and are classified as special equipment.TwoPressure vessel type, 06Ni9DR material, completed with flaw detection, hydrostatic and pneumatic testing, on-site inspection by the Technical Supervision Bureau, issued with pressure vessel inspection certificate, and processes such as external rust removal and painting. The liquefied gas storage tank undergoes strict quality assessment for the material, dimensions, weld quality, operational quality, installation quality, internal equipment, and safety accessories of the pressure-bearing components.
Routine physical and chemical testing of the drum material, such as mechanical properties and chemical composition.
Rigorous X-ray non-destructive testing and magnetic particle inspection are conducted on the welding joints, welds, tank heads, and the mutual geometric positions of all pressure elements. Testing and verification of the product's sealing, pressure resistance, and all technical indicators that could affect the safe operation of the product.
1. Natural Gas Storage Tank LNG Storage System: The LNG storage system consists of low-temperature storage tanks, auxiliary pipelines, and control instruments.
2. By capacity classification:
Small natural gas storage tanks, 5-50 cubic meters, commonly used in civil gas liquefaction stations, LNG refueling stations, etc.
Medium-sized natural gas storage tanks, 50-100 cubic meters, commonly used in satellite liquefaction units, industrial gas vaporization stations, etc.
3. Natural gas storage tanks, typically use austenitic stainless steel pipes for LNG pipelines. Austenitic stainless steel pipes offer excellent low-temperature properties.
4. Vertical natural gas storage tanks (LNG tanks) with vacuum powder insulation technology. The inner cylinder and pipelines are made of OCr18Ni austenitic stainless steel, while the outer cylinder is constructed from high-quality carbon steel Q345R pressure vessel steel plate. Our company offers a variety of specifications ranging from 50 to 100 cubic meters for liquefied natural gas storage tanks.
5. Uses of Natural Gas Storage Tanks: Chemical fuel, residential fuel, automotive fuel, co-generation, heat pumps, fuel cells, etc.
6. Natural Gas Storage Tank Liquefaction Process: Cascade Liquefaction Process, Mixed Refrigerant Liquefaction Process, Liquefaction Process with an Expander.
7. The natural gas liquefaction facility consists of pre-treatment process, liquefaction process, storage system, control system, and fire protection system.
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