Vacuum-Insulated Cryogenic Liquid Storage Tanks

Vacuum-Insulated Cryogenic Liquid Storage Tanks

Cryogenic liquid storage tanks, utilizing vacuum insulation to minimize heat transfer, are crucial for the safe and efficient storage of super-cooled liquids such as liquid oxygen (LOX), liquid nitrogen (LN2), liquid argon (LAr), and liquid carbon dioxide (LCO2). These tanks are designed to maintain extremely low temperatures, preserving the liquid state of these substances for various industrial, medical, and research applications.

Key Features and Design Considerations

The design and construction of a cryogenic liquid storage tank are paramount to its performance and longevity.  These tanks are broadly classified into three main types, depending on the process requirements and the chosen storage methodology:

• Single-Container Tanks: These tanks feature a simplified design, generally consisting of a steel inner tank that directly holds the cryogenic liquid, surrounded by an outer shell.  The space between the inner tank and outer shell is evacuated to create a vacuum, providing thermal insulation. Single-container tanks are best suited for applications where space is limited or for smaller storage capacities.

• Double-Container Tanks: Double-container tanks represent a more robust approach, comprising a steel inner tank (identical to the single-container design) and an external tank crafted from either steel or concrete. The key advantage of this design lies in the enhanced insulation achieved through the vacuum space between the two tanks, further minimizing heat leak. These are most common tank types.

• Full-Container Tanks: These specialized tanks provide a high level of safety and containment, particularly for larger-volume storage. Like double-container tanks, they feature an inner steel tank and an outer tank of steel or concrete, with vacuum insulation between the tanks. They are used where safety is paramount.

The choice of tank type depends on factors such as the specific cryogenic liquid being stored, the required storage capacity, safety regulations, and economic considerations.

Cryogenic Liquid Tank Parameters: Technical Specifications

The following table presents key specifications for a range of vacuum-insulated cryogenic liquid tanks, showcasing different models, working pressures, and volumes:

HNJS Commitment to Quality and Safety

HNJS is a leading provider of cryogenic liquid storage solutions, adhering to the highest industry standards for safety, reliability, and performance. Our commitment to excellence is demonstrated through our comprehensive certifications, including:

• National-level A2 Pressure Vessel Manufacture License

• D1/D2 Pressure Vessel Design License

• ISO9001 International Quality System Certificate

• GC2/GC3 Pressure Piping Design License

• GC2/GC3 Pressure Piping Installation License

• CCS Authentication

• CE Authentication

• ASME Authentication

These certifications validate our expertise in supporting all aspects of cryogenic liquid storage, from engineering design and installation to inspection and maintenance.  Our dedication to continuous improvement ensures that our customers receive the most advanced and reliable solutions for their cryogenic liquid storage needs. We are committed to delivering exceptional value and peace of mind.