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LNG tank

Introduction to LNG storage tanks

LNG storage tank: used to store liquid natural gas (LNG)
Introduction to LNG storage tanks
Structural features of LNG tanks

Structural features of LNG storage tanks include a double-wall structure with an inner wall of stainless steel or aluminum alloy and an outer wall of carbon steel, filled with insulation between to ensure that the temperature of the LNG does not rise.
Structural features of LNG tanks
LNG Tank Operating Pressure

The design and operation of LNG storage tanks need to follow certain standards and codes to ensure their safety and reliability.
LNG Tank Operating Pressure
Materials for LNG storage and transportation equipment
There are hidden dangers in LNG storage and transportation such as leakage and gas loss. Selecting the materials of LNG storage and transportation equipment, taking adequate measures and standardiz...
Materials for LNG storage and transportation equipment
The increasing use of liquefied gas (LNG) has led to the development of the LNG industry
The increasing use of liquefied gas (LNG) has led to the rapid development of the LNG industry, and along with the advancement of technology, LNG storage and transportation have also evolved. Howev...
The increasing use of liquefied gas (LNG) has led to the development of the LNG industry
Safe transportation of LNG storage tanks
Gas lost during LNG transportation   The gas storage phase pipe is directly connected to the engine, and the direct utilization of the gasified LNG results in LNG loss. Under normal ...
Safe transportation of LNG storage tanks
LNG storage tank transportation process
LNG leakage problem   During the transportation process of LNG, leakage is very likely to occur due to the inability to meet the low temperature requirements and insufficient sealing...
LNG storage tank transportation process
LNG storage tank inspection system
The non-destructive testing system is not sound and the system is not perfect.   A good start is half the battle. When the inspection system is not sound and the system is not perfec...
LNG storage tank inspection system
Qualification testing of LNG storage tanks
Illegal operation and failure to take corresponding measures according to regulations   When entering an LNG storage tank for non-destructive testing, if you ignore prohibitions or w...
Qualification testing of LNG storage tanks
LNG storage tank operating environment
The working environment of non-destructive testing is not   There are also many uncertain factors in the environment during inspection operations. LNG storage tanks are generally pla...
LNG storage tank operating environment
Inconsistent factors in non-destructive testing of LNG storage tanks
Non-destructive testing personnel are not qualified enough   LNG storage tank inspectors are personnel with corresponding professional qualifications and mastery of LNG storage tank ...
Inconsistent factors in non-destructive testing of LNG storage tanks
Regular cleaning of cryogenic storage tanks
In order to prevent erosion of the tank wall, the inner cavity of the liquid nitrogen tank needs to be cleaned once a year. In addition, attention should be paid to minimizing transportation of...
Regular cleaning of cryogenic storage tanks
Inspection of cryogenic storage tanks
Check the neck plug and the small groove of the neck plug at any time, remove the ice on the neck plug in time, and do not place plastic sheets and other materials on the neck plug to increase ...
Inspection of cryogenic storage tanks
Maintenance methods of cryogenic storage tanks
Before use, a small amount of liquid nitrogen should be put into the cryogenic storage tank to pre-cool it. When the temperature in the tank reaches the liquid nitrogen temperature, the liquid ...
Maintenance methods of cryogenic storage tanks
Operation process of cryogenic storage tanks
During the operation of low-temperature storage tanks, the costs they generate are usually relatively low. In addition, their power consumption is relatively small. During the use process, their ma...
Operation process of cryogenic storage tanks
The use process of cryogenic pressure vessels
During the use of pressure vessels, there must be complete records of regular inspections, inspections, etc. Pressure vessels that have exceeded their designed service life must be reported to ...
The use process of cryogenic pressure vessels
Technical specifications for cryogenic pressure vessels
According to multiple provisions of legal documents related to TSG R0004, the service life of pressure vessels should be considered in accordance with technical specifications in all aspects of...
Technical specifications for cryogenic pressure vessels
Design of cryogenic pressure vessels
When designing a pressure vessel, it is necessary to refer to the expected service life and consider corrosion margin and other conditions to determine the service life of the vessel.
Design of cryogenic pressure vessels
Service life of cryogenic pressure vessels
How to determine the service life of pressure vessels, we will explain as follows: The service life of a pressure vessel is not determined by a certain regulation, but by the design and manufa...
Service life of cryogenic pressure vessels
cryogenic storage tanks Special materials
The inner tank wall is required to be resistant to low temperatures and is generally made of 9Ni steel or aluminum alloy.
cryogenic storage tanks Special materials
Cryogenic storage tanks are measured using turbine flowmeters
The measurement adopts turbine flowmeter. Inject the odorant into the gas pipeline according to the flow signal. Select the pressure regulating device based on the scale of the LNG gasificat...
Cryogenic storage tanks are measured using turbine flowmeters
Cryogenic storage tank design temperature
The natural gas transportation temperature is required to be no less than 10 degrees Celsius compared with the ambient temperature. The cold storage performance of low-temperature storage ta...
Cryogenic storage tank design temperature
Structural performance of normal pressure and cryogenic storage tanks
Therefore, the selected construction site should generally avoid seismic fault zones. Before construction, seismic tests must be conducted on the storage tanks to analyze the structural performance...
Structural performance of normal pressure and cryogenic storage tanks
Normal pressure and low temperature storage tanks have good seismic performance
Good seismic resistance   The seismic resistance requirement of general buildings is that they can crack without falling under the specified earthquake load.LNG storage tanks are req...
Normal pressure and low temperature storage tanks have good seismic performance
Strict insulation measures for normal pressure and low-temperature storage tanks
Strict insulation measures   Since the temperature difference between the inside and outside of the tank can reach 200°C, in order to maintain the temperature inside the tank at -160...
Strict insulation measures for normal pressure and low-temperature storage tanks
Special materials for normal pressure and cryogenic storage tanks
Therefore, API, BS and other specifications require storage tanks to adopt a double-wall structure and use the containment concept. When the first tank leaks, the second layer of tank can completel...
Special materials for normal pressure and cryogenic storage tanks
High safety requirements for normal pressure and cryogenic storage tanks
High safety requirements   Since the tank stores low-temperature liquids, once an accident occurs in the storage tank, the refrigerated liquid will volatilize in large quantities. ...
High safety requirements for normal pressure and cryogenic storage tanks
Liquefied natural gas (LNG) is stored in normal pressure and cryogenic storage tanks.
Natural gas is recognized as a clean, environmentally friendly and safe energy source. After liquefaction, the volume of natural gas is reduced by about 600 times, which brings great benefits to st...
Liquefied natural gas (LNG) is stored in normal pressure and cryogenic storage tanks.
LNG storage tank installation, repair and modification
LNG storage tanks are pressure vessel equipment. According to the requirements of the "Pressure Vessel Safety Technical Supervision Regulations" promulgated and implemented, units with correspo...
LNG storage tank installation, repair and modification
LNG storage tank vacuum inspection
It is recommended to conduct a vacuum test on the LNG storage tank every other year. The storage tank cannot be transported with liquid. When it is out of service for a long time, the LNG li...
LNG storage tank vacuum inspection
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