Petrochemical Air Separation Unit
In the petrochemical industry, a continuous, stable, and high-purity gas supply is essential for ensuring production safety and efficiency. Leveraging years of technical expertise and project experience, Shenger Gas Equipment designs and manufactures efficient and reliable petrochemical air separation units specifically for the petrochemical sector. We provide comprehensive gas separation solutions, from oxygen and nitrogen to argon. Our units employ cryogenic air separation technology, utilizing processes such as compression, purification, cooling, and distillation to achieve high-purity separation of various gases, meeting the stringent requirements for gas quality in petrochemical production.
Working Principle and Structural Design
Our petrochemical air separation unit is based on proven cryogenic distillation technology. Air undergoes filtration, compression, pre-cooling, and purification before entering the fractionation column system, where separation occurs based on the boiling point differences of its components. Key modules include the air compressor, molecular sieve purification system, plate-fin heat exchangers, dual-stage distillation columns, and cryogenic liquid pumps. The entire system adopts a modular design and utilizes high-performance materials to ensure stable and efficient operation under the complex working conditions of petrochemical plants.
Key Technical Parameters and Performance Indicators
|
Parameter Category |
Specification / Description |
|
Product Purity |
Nitrogen ≥ 99.999%, Oxygen ≥ 99.6%, Argon ≥ 99.999% (adjustable based on process requirements) |
|
Gas Flow Rate |
Supports customized output from 500 to 100,000 Nm³/h, meeting the gas demands of plants of different scales |
|
Operating Temperature |
Cryogenic section down to -196°C, ensuring efficient and stable operation throughout the full cryogenic process |
|
Energy Consumption |
Incorporates high-efficiency compressors and heat exchange technology, reducing energy use by 8–15% versus conventional systems, significantly improving operational economy |
|
Control System |
Fully automated DCS/SIS integrated control, with real-time monitoring of purity, pressure, and flow rate; supports remote operation and fault early warning |
Industrial Applications and Project Cases
This series of petrochemical air separation units is widely used in refining, olefins, synthetic ammonia, coal chemical, and other sectors. They primarily supply high-purity gases for processes such as purging, inert gas blanketing, gasification reactions, and catalyst regeneration. We have supplied customized units to multiple large-scale petrochemical enterprises. For example, a 40,000 Nm³/h air separation unit provided for a coastal refining and chemical integration project has been operating continuously and stably for over three years, with purity and energy consumption indicators exceeding design specifications.
Certifications and Quality Assurance
Shenger equipment strictly adheres to international design and manufacturing standards. Core pressure vessels and piping systems comply with ASME standards, and the overall quality management system is certified to ISO 9001. We implement full-process quality tracking from material procurement and process control to final factory testing, ensuring long-term safety, reliability, and durability of the equipment.
Shenger Gas focuses on the research, development, and application of petrochemical air separation units. Through continuous technological refinement and engineering practices, we deliver stable and reliable gas separation solutions. We prioritize the long-term operational stability of our equipment under real working conditions, ensuring compatibility between process design and on-site requirements, while balancing energy efficiency with operational reliability.
Leveraging our project experience in the petrochemical and energy sectors, we have developed technical models and engineering databases tailored to various process conditions. This accumulated expertise serves as the foundation for optimizing key parameters of our air separation units and provides referenceable engineering cases and operational data for the industry.
We firmly believe that meticulous technical execution and reliable engineering implementation are fundamental to the sustained stable operation of equipment. If you have specific working conditions or technical questions to discuss, the Shenger technical team is ready to engage in a professional dialogue based on our practical project experience.
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