Oxygen Generator For Chemical Industry
An oxygen generator for chemical industry is designed to provide stable, on-site oxygen supply for chemical plants where oxygen directly participates in production processes rather than serving as a utility gas. Typical applications include oxidation reactions, synthesis gas adjustment, catalytic processes, and environmental treatment units such as VOCs oxidation and waste gas incineration.
Compared with liquid oxygen delivery or cylinder supply, an on-site oxygen generation system offers higher supply security, predictable operating cost, and better integration with continuous chemical production. Shenger Gas designs oxygen generation solutions based on proven PSA, VPSA, or cryogenic technologies, tailored to the actual process requirements of chemical facilities.
Working Principle & Robust Engineering Structure
The core operational principle varies based on scale and technology:
1. Pressure Swing Adsorption (PSA) Oxygen Systems: Utilize high-performance lithium-based molecular sieves that preferentially adsorb nitrogen, enabling oxygen-nitrogen separation at ambient temperatures. The structural core lies in the timed control and pressure regulation of dual adsorber vessels. We employ patented pressure equalization technology and fast-response valve sequencing to effectively increase oxygen recovery and reduce energy consumption.
2. Cryogenic Air Separation Oxygen Plants: Suited for large-scale, ultra-high purity requirements. Air is separated at approximately -185°C through multiple stages: compression, pre-cooling, purification, liquefaction, and distillation. Their complex structure includes core components like air compressors, expanders, plate-fin heat exchangers, and distillation columns. We conduct rigorous stress analysis and material selection for each stage to ensure long-term reliability.
The structural design of both technologies adheres to ASME pressure vessel standards and chemical industry explosion-proof requirements, ensuring inherent safety.
Oxygen Purity and Capacity Range
|
Oxygen Purity (%) |
Typical Flow Range (Nm³/h) |
Application Scope |
|
90–93 |
20 – 3,000 |
Combustion enrichment, waste gas treatment |
|
93–95 |
50 – 5,000 |
Oxidation reactions, general chemical processes |
|
99.5+ (Cryogenic) |
1,000 – 50,000+ |
Large-scale chemical synthesis |
Operating Conditions and Energy Performance
|
Parameter |
Typical Range |
|
Ambient temperature |
–20 °C to +45 °C |
|
Oxygen delivery pressure |
0.3 – 1.0 MPa (customizable) |
|
Oxygen outlet temperature |
Ambient ±5 °C |
|
Specific power consumption (PSA/VPSA) |
0.45 – 0.9 kWh/Nm³ O₂ |
|
Operating mode |
Continuous, automatic |
Energy consumption is optimized through proper pressure ratio selection, adsorption cycle control, and system integration with the chemical process demand profile.
Technical Specifications (Typical)
|
Item |
Specification |
|
Separation technology |
PSA / VPSA / Cryogenic |
|
Oxygen purity |
90–99.5% |
|
Capacity range |
20–50,000 Nm³/h |
|
Control system |
PLC with remote monitoring |
|
Design standard |
Industrial continuous duty |
|
Redundancy options |
N+1 adsorber or compressor |
Industrial Applications
An oxygen generator for chemical industry is widely applied in:
- Oxidation processes (acetic acid, nitric acid, EO/PO intermediates)
- Syngas and gasification systems
- Catalyst regeneration and reaction enhancement
- VOCs oxidation and waste gas treatment
- Oxygen-enriched combustion in chemical furnaces
Project Delivery and Customization Capability
Each oxygen generator for chemical industry project is engineered based on:
- Actual oxygen consumption profile
- Process sensitivity to purity fluctuation
- Load variation and turndown requirements
- Site conditions and safety regulations
Delivery scope includes system design, manufacturing, factory testing, site installation guidance, commissioning, and operator training.
Standards, Certification, and Compliance
- ISO 9001 Quality Management System
- ISO 8573-1 Compressed Air Quality
- ASME pressure vessel design (where applicable)
- Electrical and safety compliance based on project location
All systems are designed with chemical plant safety, oxygen service requirements, and long-term reliability as primary considerations.
Service and Lifecycle Support
- Process consultation and system selection
- Spare parts and maintenance planning
- Remote technical support
- Long-term operation optimization support
Shenger Gas specializes in the design and supply of industrial oxygen generation systems for chemical, metallurgical, and energy industries. With a focus on engineering reliability and lifecycle performance, Shenger Gas delivers oxygen solutions that integrate smoothly into real chemical production environments, supporting stable operation and controlled operating cost over the long term.
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