Industrial Air Separation Equipment
Industrial air separation equipment is the cornerstone of modern industry. It uses cutting-edge technology to separate air into high-purity oxygen, nitrogen, argon and other rare gases. These gases are indispensable raw materials for many industries such as metallurgy, chemical industry, medical treatment, and electronic manufacturing. Our industrial air separation equipment uses cryogenic distillation method to ensure stable, efficient and economical gas supply to customers through a series of precise processes such as compression, purification, cooling and separation. Whether it is large-scale centralized gas supply or on-site independent gas production, we can provide tailor-made solutions.
Core technical principles
The core of the equipment is based on cryogenic air separation technology. After the ambient air passes through the air filter to remove dust and mechanical impurities, it is compressed to a predetermined pressure by the main air compressor. Subsequently, the compressed air enters the pre-cooling system and molecular sieve purification system, where impurities such as moisture, carbon dioxide, and hydrocarbons are completely removed. The purified air exchanges heat with the reflux cold gas in the main heat exchanger, is cooled to close to the liquefaction temperature, and then enters the distillation tower system.
In the distillation tower, the difference in boiling point of each component in the air (such as nitrogen -196°C, oxygen -183°C) is used to perform multiple partial condensations and partial evaporations in the tower still and the top of the tower. Finally, high-purity nitrogen is obtained at the top of the tower and high-purity oxygen is obtained in the tower still. Argon gas, because its boiling point is between oxygen and nitrogen, can be extracted from the middle part of the main tower and further purified.
Main Product Parameters and Performance Indicators
|
Product Gas |
Typical Purity Range |
Standard Flow Rate Range (Nm³/h) |
Outlet Pressure Range (MPaG) |
Dew Point (°C) |
|
Oxygen (O₂) |
≥ 99.6% |
100 - 100,000 |
0.5 - 3.0 |
≤ -65 |
|
Nitrogen (N₂) |
≥ 99.999% |
100 - 120,000 |
0.1 - 0.8 |
≤ -70 |
|
Argon (Ar) |
≥ 99.999% |
Extracted proportionally to oxygen output |
0.5 - 1.6 |
≤ -65 |
Key energy consumption and operating indicators:
Startup time: 24 - 48 hours (depending on equipment size)
Operating temperature: Distillation column core temperature as low as -195°C (78K)
Energy consumption index: Power consumption per unit product ≤ 0.38 kWh/Nm³ O₂ (specifically varies depending on scale and configuration)
Degree of automation: Fully automatic control, capable of unattended operation
Detailed Technical Parameters Table
|
Item |
Description |
|
Process Flow |
Cryogenic distillation method, with optional internal or external compression processes |
|
Core Components |
Main air compressor, main heat exchanger, molecular sieve purifier, distillation column system, booster turboexpander |
|
Control & Instrumentation |
DCS distributed control system, SIS safety instrumented system, online analyzers for key parameters |
|
Equipment Availability |
≥ 98% |
|
Design Life |
≥ 20 years |
Advantages and Commitments
While providing high-standard industrial air separation equipment, Shenger Gas pays more attention to creating long-term value for customers. We provide a full range of services from project consulting, engineering design, equipment manufacturing, installation and commissioning to operation, maintenance and spare parts support throughout the life cycle. Our team is composed of experienced engineers to ensure that each set of equipment achieves optimal performance, energy efficiency and reliability, helping customers gain an advantage in the fierce market competition.
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