Metallurgical Liquid Oxygen Plant

China Liquid Oxygen Plant Manufacturer

Technical Advantages in Metallurgical Industry

●High-Load Stable Operation: Designed for 24/7 continuous work, the maximum operating load can reach 110%, adapting to the peak oxygen demand during the smelting blowing period.

●Harsh Environment Adaptability: Equipped with dust-proof, anti-vibration and high-temperature resistant components, the equipment can operate normally in high-dust and high-temperature workshop environments.

●Fast Output Adjustment: Adopting variable frequency control technology, the output can be adjusted from 50% to 100% within 5 minutes, matching the fluctuating oxygen demand of different smelting stages.

●Low-Cost Operation: Optimized heat exchange system and energy-saving compressor reduce unit oxygen production energy consumption by 12% compared with similar products, and the maintenance cycle is extended to 6 months.

Working Principle

●High-Precision Air Filtration: Ambient air is filtered through a HEPA filter and a pre-filter to remove particles larger than 0.1μm, ensuring the initial air purity.

●Deep Decontamination: Compressed air enters a dual-tower molecular sieve adsorber to deeply remove moisture, CO₂ and hydrocarbons, with a removal rate of over 99.9%.

●Enhanced Cryogenic Distillation: The purified air is cooled to -180℃ and enters a three-column distillation system. Through precise temperature control, trace impurities are separated layer by layer, and high-purity liquid oxygen is collected at the bottom of the main tower.

●Purity Detection & Storage: The produced liquid oxygen is tested by an online gas chromatograph. After passing the test, it is stored in a vacuum-insulated tank to avoid secondary

 

Q: What is the floor area required for a 20 TPD metallurgical liquid oxygen plant?
A: About 80-120 ㎡, including equipment area, operation space and storage tank area, which can be flexibly arranged according to the workshop layout.
 

Q: How to deal with the liquid oxygen plant when the smelting equipment is shut down for maintenance?
A: The equipment can be switched to low-load operation (50% load) to maintain the cold state, avoiding the energy consumption of repeated startup, and can quickly return to full load when production resumes.

Q: Can the plant meet the oxygen demand of multiple converters at the same time?

A: Yes, the system is equipped with multiple output pipelines, which can supply oxygen to multiple smelting equipments at the same time, and the pressure and flow of each pipeline can be adjusted independently.
 

Q: What is the service life of the core components of the plant in the metallurgical environment?
A: The distillation tower and storage tank have a service life of ≥15 years, and the compressor and molecular sieve have a service life of 3-5 years, which is 20% longer than the general industrial grade.
 

Q: Does the plant need to be equipped with special operators?
A: Only 1-2 operators are needed per shift. We provide targeted training on metallurgical scene operation, and operators can master daily operation and routine maintenance after 3 days of training.

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