Liquid nitrogen shippers, also known as cryogenic shipping containers, play a critical role in the transportation of materials that need to be kept at extremely low temperatures. These specialized containers are essential in industries such as food, pharmaceuticals, and scientific research where the preservation of biological samples and sensitive materials is crucial.
What is Liquid Nitrogen?
Liquid nitrogen is a colorless, odorless, and non-flammable cryogenic liquid with a boiling point of -196 degrees Celsius (-321 degrees Fahrenheit). Due to its extremely low temperature, liquid nitrogen is commonly used for preserving biological samples, freezing food, and in various industrial applications.
Why Use liquid nitrogen shippers?
Liquid nitrogen shippers are designed to safely transport materials that need to be kept at ultra-low temperatures. These containers are insulated to prevent heat transfer from the surrounding environment, allowing the contents to remain at a stable temperature for an extended period.
The use of liquid nitrogen shippers ensures that delicate materials, such as biological samples, vaccines, and organs for transplant, are preserved during transportation. Without proper insulation and temperature control, these materials could be compromised, leading to damage or loss of valuable assets.
Types of liquid nitrogen shippers
There are several types of liquid nitrogen shippers available on the market, each designed for specific applications and volume requirements. Some common types of liquid nitrogen shippers include:
1. Dewars: Dewars are small, portable containers used for short-term storage and transportation of liquid nitrogen. These containers are typically used in laboratories, clinics, and research facilities for storing biological samples or experimental materials.
2. Cryogenic Storage Tanks: Cryogenic storage tanks are larger containers used for long-term storage of liquid nitrogen. These tanks are commonly used in industrial settings, such as biotechnology companies and pharmaceutical manufacturers, where large volumes of materials need to be preserved.
3. Dry Shippers: Dry shippers are specialized containers that use a porous material to absorb liquid nitrogen, eliminating the need for a liquid nitrogen reservoir. These containers are commonly used for transporting biological samples and embryos in the field of assisted reproductive technology.
4. Liquid Nitrogen Refrigerators: Liquid nitrogen refrigerators are self-contained units that maintain a constant temperature of liquid nitrogen for storing biological samples or medical products. These refrigerators are often used in hospitals, research labs, and pharmacies.
Features of liquid nitrogen shippers
Liquid nitrogen shippers come with various features to ensure the safe and efficient transportation of materials. Some common features of liquid nitrogen shippers include:
1. Vacuum Insulation: Liquid nitrogen shippers are typically double-walled containers with a vacuum-insulated space between the inner and outer walls. This vacuum insulation minimizes heat transfer, keeping the contents at a stable temperature for an extended period.
2. Pressure Relief Valves: Liquid nitrogen shippers are equipped with pressure relief valves to safely release excess pressure that may build up inside the container. This feature prevents the risk of explosions or ruptures due to pressure buildup.
3. Rugged Construction: Liquid nitrogen shippers are built with durable materials, such as stainless steel or aluminum, to withstand the rigors of transportation. These containers are designed to protect the contents from external impact and ensure the integrity of the materials inside.
4. Temperature Monitoring Systems: Some liquid nitrogen shippers come with temperature monitoring systems that provide real-time data on the internal temperature of the container. This feature allows users to track the temperature of the contents and ensure they are being preserved at the desired level.
Conclusion
Liquid nitrogen shippers play a vital role in the transportation and storage of materials that require ultra-low temperatures for preservation. These specialized containers provide a safe and reliable way to transport biological samples, medical products, and sensitive materials without compromising their integrity. By understanding the different types of liquid nitrogen shippers and their key features, industries can choose the right container for their specific needs and ensure the safe delivery of valuable assets.