Liquid nitrogen, the colorless and odorless liquid used in laboratories and medical facilities, is an essential component in preserving biological samples and specimens. It is used for everything from cryogenics to cryosurgery. However, liquid nitrogen is a substance that requires a specific and controlled environment to be stored safely and efficiently. That is where portable liquid nitrogen tanks come in. In this blog, we take an in-depth look at how portable liquid nitrogen tanks for laboratory storage work.
Portable liquid nitrogen tanks are designed to keep liquid nitrogen safe and secure for long periods of time. These tanks are often made of high-quality materials, such as stainless steel or aluminum, that can withstand the extreme cold temperature of liquid nitrogen. They come in different sizes, ranging from small, hand-held models to larger tanks capable of holding up to several thousand liters of liquid nitrogen.
The main component of a liquid nitrogen tank is the inner storage container, which is usually made of stainless steel. This inner container is double-walled, with a vacuum-sealed space between the two walls that acts as an insulator and helps reduce the rate of evaporation. The liquid nitrogen is stored within the inner container, which is surrounded by a layer of insulation that further helps to minimize heat transfer. This insulation could be made of foam, perlite or some other material.
Some advanced portable liquid nitrogen tanks for laboratory storage are equipped with a control system that automatically feeds liquid nitrogen into the inner container. This system is responsible for ensuring that the level of stored liquid nitrogen remains constant and stable. The control system is often monitored using an electronic readout panel that displays the current temperature, liquid level, and overall health of the system.
Another feature of portable liquid nitrogen tanks is the pressure relief valve. This valve allows excess pressure to escape from the tank if the pressure inside becomes too high. This is important because excessive pressure could cause the tank to rupture or explode, resulting in potential damage to the laboratory or medical facility.
In addition to the pressure relief valve, some portable liquid nitrogen tanks are also fitted with safety valves that are designed to prevent excessive pressure from building up inside the inner container. Safety valves work by automatically releasing gas in case of over-pressure situations. This feature is crucial for the safety of lab technicians and other professionals who work with liquid nitrogen on a regular basis.
To maintain the integrity of the stored liquid nitrogen, portable liquid nitrogen tanks are often designed with additional safety measures. For instance, the tank may be fitted with sensors that detect any fluctuations in temperature or pressure. These sensors alert technicians to any potential issues, allowing them to take corrective measures before any damage occurs.
In conclusion, portable liquid nitrogen tanks for laboratory storage are critical components for the safe and effective storage of liquid nitrogen. They allow for the preservation of biological specimens, facilitate cryogenic research, and are used in a range of medical and laboratory procedures, such as freezing and storing sperm or ova for assisted reproductive technology. The tanks are designed with safety and efficiency in mind, featuring double-walled, vacuum-sealed inner storage containers, pressure relief valves, and safety valves. Modern portable liquid nitrogen tanks also often include advanced technology such as control systems and sensors, which help maintain optimal conditions to ensure the safety and long-term viability of the stored liquid nitrogen.
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