Vacuum Insulated Cryogenic Liquid Storage Tanks: A Comprehensive Overview

Vacuum Insulated Cryogenic Liquid Storage Tanks: A Comprehensive Overview

Cryogenic liquid storage tanks play a critical role in a multitude of industries, from healthcare and aerospace to manufacturing and research.  These specialized tanks are engineered to safely and efficiently store liquefied gases at extremely low temperatures.  The key to their effectiveness lies in their superior insulation, designed to minimize heat transfer and prevent the costly and potentially hazardous evaporation of the stored liquids.

Liquid Storage Tank Features: A Deep Dive

The design and construction of a cryogenic liquid storage tank are dictated by several factors, primarily the specific application, the type of liquid being stored, and the required storage volume. Broadly, these tanks can be categorized into three main types, each with its own unique characteristics:

• Single-Container Tanks:  This design typically features a single, robust steel inner tank responsible for containing the cryogenic liquid. This inner tank is then surrounded by an outer shell, which is usually made of steel as well. The critical component is the insulation material strategically placed between the inner tank and the outer shell. This insulation minimizes heat transfer from the surrounding environment, preserving the extremely low temperature of the stored liquid. Single-container tanks are often favored for smaller-scale storage needs and applications where cost-effectiveness is a primary concern.

• Double-Container Tanks:  For larger volumes and more demanding applications, double-container tanks provide enhanced safety and thermal performance.  These tanks consist of a steel inner tank, similar to the single-container design, but instead of a simple outer shell, they utilize a second, complete outer tank.  This outer tank can be constructed from either steel or, for very large capacities, from reinforced concrete (often prestressed for added strength). The space between the inner and outer tanks is filled with a high-performance insulation system.  The double-wall construction offers a significant advantage in terms of thermal insulation and structural integrity.

• Full-Container Tanks: Full-container tanks represent the apex of cryogenic storage technology. These tanks, like the double-container, feature a steel inner tank and an outer tank typically constructed of prestressed concrete. Insulation is meticulously placed between these two tanks. Full-container tanks are specifically designed for the safe storage of large volumes of cryogenic liquids, providing robust protection and minimal loss due to evaporation.

Generally speaking, the double-container design is the most prevalent type used across a wide range of industrial applications due to its balance of cost, performance, and safety.

Cryogenic Liquid Tank Parameters: A Detailed Specification Chart

The following table presents a range of standard cryogenic liquid tank models, showcasing key specifications such as working pressure, compatible media (Liquified oxygen, nitrogen or argon), volume, dimensions, and weight.

Note: This table represents a selection of our standard models. Custom tank designs and configurations are available to meet specific customer requirements. Contact us to discuss your project needs.

Commitment to Quality and Certification

HNJS is dedicated to providing the highest quality cryogenic liquid storage solutions. We have successfully obtained various national and international certifications, demonstrating our adherence to rigorous standards for design, manufacturing, installation, and maintenance. Our qualifications include:

• 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 underscore our commitment to safety, reliability, and regulatory compliance in every aspect of our operations. We strive to deliver cryogenic liquid storage solutions that meet and exceed our customers' expectations.