LNG mother and daughter tanks
Product Details
LNG Mother and Child Tank
The LNG mother and child tank refers to a storage tank consisting of multiple child tanks containing LNG arranged in parallel and placed within a mother tank filled with insulating material. It is usually built to meet large volume and pressurized storage requirements, and is commonly used in medium to large-scale LNG vaporization stations (1000m³~10000m³ storage capacity).
Product Details
Product Structure
The LNG mother and child tank consists of multiple child tanks, one mother tank, and corresponding process pipelines, valves, instruments, etc.
Child Tank: As the main container for holding low-temperature media, it is made of austenitic stainless steel S30408 material; the child tank has a vertical cylindrical leg structure, and depending on the volume size, 4, 7, or 10 child tanks are interconnected through pipelines to connect all or grouped gas and liquid phases of each child tank.
Mother Tank: Serving as the protective shell of the insulation system, it is usually made of Q345R/16MnDR material. The mother tank accommodates all child tanks and uses powder insulation to maintain cold storage, ensuring minimal vaporization of the stored medium.
Main Technical Parameters
Storage Medium: LNG
Working Pressure: 0.2MPa~1.6MPa
Single Tank Volume: 600m³~3000m³
Equipment Type: Storage Tank, Pressure Vessel
Main Advantages
The equipment has a large individual storage capacity, occupies less space, requires less investment, and is easy to operate compared to vacuum tanks of the same volume.
The equipment maintains operating pressure through a self-pressurizer, eliminating the need for booster pumps, BOG compressors, and other equipment, resulting in low operating costs and easy maintenance.
Key words:
LNG mother and daughter tanks
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