Industrial-grade Liquid Oxygen Plant

What are the important core elements of Industrial-grade liquid oxygen plant?
 

 

●High-Capacity & Efficient Production​

Equipped with large-scale distillation towers and high-power compressors, the daily capacity ranges from 50 tons to 500 tons (or 10,000-100,000 Nm³/h). Compared with electrolysis water method, the energy consumption per unit oxygen is reduced by over 60%, significantly lowering industrial operation costs.​

 

●Industrial Environment Adaptability​

The equipment adopts corrosion-resistant materials (such as 06Cr19Ni10 stainless steel) for key components, and is equipped with dust-proof and high-temperature resistant preprocessing systems, which can operate stably in harsh environments such as steel plants and chemical parks.​
 

●Stable & Reliable Operation​

Adopting full-distillation hydrogen-free argon extraction technology, with multi-level pressure and temperature monitoring. The vacuum insulation storage tank has a design life of more than 50 years, and the evaporation loss rate is less than 0.5% per day.​
 

●Flexible Co-Production Capacity​

While producing liquid oxygen, it can simultaneously co-produce high-purity liquid nitrogen (purity ≤10 ppm O₂) and liquid argon (purity ≤2 ppm O₂), realizing multi-resource utilization and increasing industrial benefits.

Typical Application Scenarios​

●Metallurgical Industry: Used for steelmaking oxygen blowing, iron ore smelting, and non-ferrous metal processing, improving smelting efficiency and product quality.​
●Chemical Industry: As an oxidant for chemical synthesis reactions (such as ethylene oxidation) and for wastewater treatment aeration.​
●Metal Processing: High-pressure oxygen source for cutting and welding of thick steel plates, ensuring smooth and efficient processing.​
​​​​​​​●Energy Industry: Supporting gasification projects of coal and biomass, providing oxygen for gasification reactions.

Core Performance Parameters
 

1.What is the difference between industrial and medical liquid oxygen?​
Industrial oxygen has a purity of ≥99.6% without strict impurity detection, while medical oxygen requires ≥99.5% purity and must pass harmful substance testing (as a pharmaceutical management). Industrial oxygen cannot be used for medical purposes.​
 

2.How to maintain the vacuum insulation of storage tanks?​
Regularly detect the vacuum degree (should be better than national standards), and conduct leak detection every 2-3 years. Avoid collision and high-temperature exposure to the tank body.​
 

3.What is the energy consumption of large-scale equipment?​
Taking the 25,000 Nm³/h oxygen production equipment as an example, the unit energy consumption is about 0.45 kWh/Nm³, which is 15-20% lower than that of ordinary equipment.​
 

4.Can the equipment be expanded according to production needs?​
Yes, the modular design allows adding distillation tower modules and compressor units. The expansion period is usually 3-6 months without affecting the operation of existing equipment.​

5.What safety measures are equipped for the plant?​
It is equipped with hydrocarbon content online monitoring, overpressure relief valves, and fire-fighting systems. The whole plant adopts explosion-proof electrical equipment, and the safety distance meets the requirements of GB 50016-2014.

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