Liquid Oxygen (Oxygen Dewar)

We specialize in providing high-quality Liquid Oxygen (Oxygen Dewar) for industrial clients across various sectors. Whether you need chemicals consultation, technical support, or detailed information about our production capabilities, our team is here to help.

Category:Specialty Gases

Advantage:Customizable,Fast Delivery,Please tell me your specific needs.↓↓↓

Introduction

Liquid oxygen (LOX) is a cryogenic liquid form of oxygen that is widely used in various industrial, medical, and scientific applications. Stored and transported in specialized containers known as oxygen dewars, liquid oxygen offers significant advantages over gaseous oxygen, particularly in terms of storage density and transport efficiency. This article provides a detailed description of liquid oxygen, its properties, applications, and safety considerations.

Properties of Liquid Oxygen

Liquid oxygen is produced by cooling gaseous oxygen to extremely low temperatures, typically below -183°C (-297°F). At this temperature, oxygen transitions from a gas to a pale blue liquid. LOX is highly concentrated, with a volume-to-weight ratio that allows for efficient storage and transportation. A single liter of liquid oxygen can expand to approximately 800 liters of gaseous oxygen, making it an ideal choice for applications requiring large volumes of oxygen.

Oxygen Dewar: The Storage Solution

An oxygen dewar is a specialized container designed to store and transport liquid oxygen. These dewars are double-walled, vacuum-insulated vessels that minimize heat transfer and prevent the liquid oxygen from evaporating rapidly. They are equipped with safety features such as pressure relief valves to manage the buildup of pressure due to the natural evaporation of liquid oxygen. Oxygen dewars come in various sizes, ranging from small portable units to large stationary tanks.

Applications of Liquid Oxygen

Medical and Healthcare

In medical settings, liquid oxygen is used for patients requiring long-term oxygen therapy. Oxygen dewars provide a convenient and efficient way to supply high-purity oxygen to patients’ homes or healthcare facilities. The high concentration of liquid oxygen ensures a continuous supply without the need for frequent refilling. It is also used in hyperbaric oxygen chambers, where patients are treated with high concentrations of oxygen to promote healing and treat conditions such as decompression sickness.

Industrial Uses

Liquid oxygen is a critical component in various industrial processes. It is used in steel manufacturing to increase the efficiency of blast furnaces by providing pure oxygen for combustion. In the chemical industry, LOX is used for oxidation reactions and in the production of various chemicals. Additionally, liquid oxygen is a key ingredient in rocket propulsion systems, where it serves as an oxidizer for liquid fuels.

Scientific Research

In scientific research, liquid oxygen is used in cryogenic experiments and low-temperature studies. It is also used in laboratories for calibration of gas analyzers and in environmental studies to simulate low-temperature conditions. The high purity of liquid oxygen ensures accurate and reliable results in these applications.

Safety Considerations

Handling liquid oxygen requires strict adherence to safety protocols due to its cryogenic temperature and high oxidizing potential. Direct contact with liquid oxygen can cause severe frostbite, and its presence can make materials more flammable. Oxygen dewars must be stored in well-ventilated areas, away from heat sources and flammable materials. Proper training for personnel handling liquid oxygen is essential to prevent accidents and ensure safe operation.

Comparison of Liquid Oxygen Dewar Sizes

Dewar Size Capacity (Liters) Weight (Empty Dewar) Operating Pressure (psi) Typical Duration (Hours)
Small Portable Dewar 10-20 liters 15-25 kg 20-50 psi 8-12
Medium Dewar 50-100 liters 50-75 kg 50-100 psi 24-48
Large Stationary Dewar 200-500 liters 150-250 kg 100-200 psi 72-120

Conclusion

Liquid oxygen stored in oxygen dewars is a versatile and efficient resource used across multiple industries and medical applications. Its high concentration and cryogenic properties make it ideal for applications requiring large volumes of oxygen. However, handling liquid oxygen requires careful attention to safety protocols to prevent accidents and ensure its effective use. With proper management, liquid oxygen remains a valuable and indispensable resource in modern society.

If you're ready to take the next step or simply have a few questions, our experts are here to help. Connect with us today to learn more. ↓↓↓

Inquiry

    Factory & Shipment

    chemical factory
    chemical factory
    chemical factory
    chemical factory