99.95% Purity Liquid Oxygen Plant

The 99.95% Purity Liquid Oxygen Plant is a high-precision oxygen production system tailored for scenarios requiring ultra-pure oxygen. Adopting advanced enhanced cryogenic distillation technology, it stably produces liquid oxygen with a purity of 99.95%, far exceeding industrial-grade standards. It is widely used in electronics manufacturing, aerospace propellants, and precision medical fields. The plant integrates intelligent purification control and stable refrigeration systems, ensuring consistent purity while maintaining efficient output. Its modular structure facilitates installation, and multi-layer safety protection guarantees reliable operation in high-demand environments.

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Description

Technical Parameters

China Liquid Oxygen Plant Manufacturer

●Ultra-High Purity Guarantee:
Equipped with a three-stage enhanced distillation structure, effectively removing trace nitrogen, argon and impurities, ensuring liquid oxygen purity is stably maintained at 99.95%.

●Precision Process Control:
Adopts advanced DCS control system to monitor distillation temperature and pressure in real time, with purity fluctuation ≤±0.02%.

●Adaptable to Special Scenarios:

The system is designed with anti-pollution structure, suitable for clean workshops and strict environmental requirements, and the output can be adjusted between 40%-100%.

●Low Loss & Long Life:
High-performance insulation materials reduce cold loss by 25%, and key components such as molecular sieves have a service life of more than 3 years.

Product Specifications

Parameter Item	Specification
Liquid Oxygen Purity	≥99.95%
Daily Output Range	2-20 TPD (customizable)
Purity Fluctuation	≤±0.02%
Cold Loss Rate	Reduced by 25% compared with conventional equipment
Operating Load Range	40%-100%
Key Component Service Life (Molecular Sieve)	≥3 years
Control System	Advanced DCS control system
Purity Detection Method	Online gas chromatograph

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 pollution.

FAQ

Q: How to ensure the long-term stability of 99.95% purity?

A: The system is equipped with online real-time detection and automatic adjustment functions. Once the purity fluctuates, the distillation parameters are adjusted immediately, and regular calibration of the detection equipment is carried out.

Q: What is the daily output range of the plant?
A: It can be customized according to needs, with a common output range of 2-20 TPD, and the purity remains unchanged within the output adjustment range.

Q: Is the plant suitable for medical high-purity oxygen demand?
A: Yes, after matching the medical-grade vaporization and sterilization system, it can provide medical oxygen that meets the standard of GB 8982-2024.

Q: What is the cost difference compared with 99.6% purity equipment?
A: The initial investment is about 15%-20% higher, but for scenarios requiring high purity, it avoids the cost of secondary purification, and the overall cost is more economical.

Q: How often does the purity detection equipment need to be calibrated?
A: The online detector is calibrated once every 6 months, and we provide professional calibration services and calibration standards.

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