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Compact Modular Liquid Oxygen Plant
Description
Technical Parameters
China Liquid Oxygen Plant Manufacturer
●Efficient Integrated Design:
Modules are pre-assembled, requiring only simple on-site splicing. The installation cycle is as short as 7-15 days, significantly reducing construction costs and time costs.
●High Purity & High Output:
The core distillation column is optimally designed, ensuring stable liquid oxygen purity of 99.6%-99.9%. The output ratio per unit energy consumption is increased by 12%, meeting high-standard oxygen demand.
●Convenient Intelligent Operation & Maintenance:
Equipped with a PLC fully automatic control system, it monitors equipment operating parameters in real time, supports remote diagnosis and fault early warning, enabling maintenance personnel to respond quickly.
●Environmental Protection & Energy Saving:
Adopting new thermal insulation materials and energy-saving compressors, it reduces energy consumption by 15% compared with traditional equipment, with no pollutant emissions, complying with green production standards.
Working principle
Air Preprocessing
Air passes through filters to remove dust and impurities, then goes through adsorption towers to eliminate moisture, carbon dioxide and hydrocarbons, preventing blockage of subsequent equipment.
Cryogenic Compression Refrigeration
The preprocessed air is pressurized by a compressor, enters a plate-fin heat exchanger to exchange heat with the return cold air flow, and cools down to about -170℃ to form a gas-liquid mixture.
Distillation Separation
The gas-liquid mixture enters the distillation column. Utilizing the boiling point difference between oxygen and nitrogen (oxygen: -183℃, nitrogen: -196℃), oxygen and nitrogen are separated through multiple evaporation and condensation processes, and liquid oxygen accumulates at the bottom of the column.
Liquid Oxygen Storage & Output
The high-purity liquid oxygen at the bottom of the column is pressurized by a cryogenic pump, stored in an insulated storage tank, and can be converted into gaseous oxygen through a vaporizer or directly output as liquid oxygen according to requirements.
FAQ
Q: What is the minimum floor area required for the equipment?
A: A single small module only covers 8-12 ㎡. Modules can be stacked according to capacity requirements, making it suitable for narrow spaces.
Q: What are the power supply requirements for the equipment during operation?
A: It supports 380V/50Hz industrial power supply, equipped with a voltage stabilization system that allows ±10% voltage fluctuation. A backup diesel generator solution can also be customized.
Q: How long can liquid oxygen be stored?
A: The supporting vacuum-insulated storage tank has a daily evaporation rate of ≤0.3%, which allows long-term storage in a sealed state without frequent replenishment.
Q: What is the maintenance cycle and cost of the equipment?
A: Routine maintenance is required every 6 months, and the service life of core components reaches 8,000 hours, with low annual maintenance cost, accounting for only 3%-5% of the equipment purchase cost.
Q: Can the equipment adjust the liquid oxygen output according to actual needs?
A: Yes, it is equipped with an adjustable frequency control system, which can flexibly adjust the output within the range of 30%-100% of the rated capacity to match the dynamic oxygen demand.
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