Vacuum Insulated Cryogenic Liquid Storage Tanks

Vacuum Insulated Cryogenic Liquid Storage Tanks

Overview of Cryogenic Liquid Storage Tanks

Cryogenic liquid storage tanks are essential for the safe and efficient storage of various cryogenic liquids, such as liquid oxygen (LO2), liquid nitrogen (LN2), and liquid argon (LAr). These tanks are designed to meet different process requirements and storage methods, categorized into three primary types: single-container tanks, double-container tanks, and full-container tanks.

1. Single-Container Tanks: These tanks typically consist of a steel inner tank and an insulating outer shell. The insulation helps maintain the low temperatures required for cryogenic liquids, ensuring minimal heat transfer from the environment.

2. Double-Container Tanks: These tanks feature a steel inner tank and an outer tank made of either steel or concrete (usually prestressed concrete). The space between the inner and outer tanks is filled with thermal insulation, providing enhanced thermal performance. This design is commonly used for its reliability and efficiency.

3. Full-Container Tanks: Similar to double-container tanks, full-container tanks also have a steel inner tank and an outer tank made of steel or concrete. The insulation is placed between the inner and outer tank walls, ensuring optimal thermal insulation. This type of tank is often preferred for its robustness and durability.

Key Parameters of Cryogenic Liquid Storage Tanks

The following table provides detailed specifications for various models of cryogenic liquid storage tanks, including working pressure, working medium, volume, outside dimensions, and weight.

Certifications and Qualifications

HNJS has obtained numerous certifications and qualifications, ensuring the highest standards of quality and safety in the design, installation, inspection, and maintenance of cryogenic liquid storage tanks. These include:

• National-Level A2 Pressure Vessel Manufacture License: Ensures compliance with national standards for pressure vessel manufacturing.

• D1/D2 Pressure Vessel Design License: Certifies the design capabilities for pressure vessels.

• ISO9001 International Quality System Certificate: Demonstrates adherence to international quality management standards.

• GC2/GC3 Pressure Piping Design License: Validates the design of pressure piping systems.

• GC2/GC3 Pressure Piping Installation License: Ensures proper installation of pressure piping.

• CCS Authentication, CE, and ASME Authentication: Provides international recognition and compliance with global standards.

These certifications and qualifications underscore HNJS's commitment to delivering top-tier engineering solutions and maintaining the highest levels of safety and reliability in cryogenic liquid storage.