
The plant mainly consists of air compressor, purification unit, heat exchanger, distillation columns, and cryogenic storage tanks.
The separation of air components has a variety of uses in industries such as chemical, petroleum, pharmaceutical, and steel production.
- As per international codes and standards;
- 3D modeling by PDMS or SOLIDWORKS
- Piping stress analysis by CAESAR Il;
- Cold-box structure stress analysis & reinforcement by SAP2000 tomeet the requirement of site earthquake and wind load, etc.;
- Various unique design inside cold-box;
PROCESS DESIGN
- HAZOP analysis;
- Diverse, customized and humanized process;
- Tens of energy-saving air separation process, ie. oxygen-richprocess of three column, process of liquid expander, processof waste nitrogen extraction from lower column, etc

Full Liquid Air Separation Unit Data Sheet | |||||||
Model | Production Capacity | Production Purity or Impurity | |||||
Oxygen(Nm³/h) | Nitrogen(Nm³/h) | Argon(Nm³/h) | Oxygen(%) | Nitrogen | Argon | ||
5TPD | TYPE l | 160 | / | / | 99.6 | / | / |
TYPE ll | / | 200 | / | / | ≤10ppm O2 | / | |
10TPD | TYPE l | 233 | 67 | / | 99.6 | ≤10ppm O2 | / |
TYPE ll | / | 300 | / | / | ≤10ppm O2 | / | |
15TPD | TYPE l | 391 | 63 | / | 99.6 | ≤10ppm O2 | / |
TYPE ll | / | 454 | / | / | ≤10ppm O2 | / | |
30TPD | 800 | 50 | 20 | 99.6 | ≤10ppm O2 | ≤2ppm O2+2ppmN2 | |
50TPD | 1200 | 300 | 40 | 99.6 | ≤10ppm O2 | ≤2ppm O2+2ppmN2 | |
100TPD | 3000 | 300 | 90 | 99.6 | ≤10ppm O2 | ≤2ppm O2+2ppmN2 | |
200TPD | 3000 | 3000 | 170 | 99.6 | ≤10ppm O2 | ≤2ppm O2+2ppmN2 | |
400TPD | 6000 | 6000 | 350 | 99.6 | ≤10ppm O2 | ≤2ppm O2+2ppmN2 |







We exported our industrial gas equipment to customers all over the world. In the past few years, we cooperated with customers from Brazil, Ecuador, Colombia, Paraguay, Chile, Indonesia, UAE, Ukraine, Syria, Guinea, Russia, Sudan, Angola, etc. We always create the opportunities for win-win business cooperation with our international customers.
At Minwen, we pride ourselves on building long-lasting relationships with our clients. We will work with you every step of the way to ensure that your needs are met and your expectations are exceeded. We are committed to providing you with the best price and service we can offer, and we are confident in our ability to deliver top-quality solutions that cater to your specific set of requirements.


1. Which countries you can ship the equipment to?
We ship to worldwide, such as Russia, Paraguay, Brazil, Colombia, Indonesia, Middle East, Africa, etc.
2. May I have the best price from you?
Sure. We are always on the way of promoting our competitiveness on products price and service.
3. Is your equipment quality good?
Yes. With advanced technologies and strict quality management, our products have passed the major international third-party quality control certifications such as ASME, CE, and Famous classification society such like BV, TUV, Lloyds
4. Do you provide one-stop service so I can save my time and labor?
Yes. Minwen constantly strengthens its supply chain capabilities and resource integration capabilities. You will own a professional team in China by cooperating with Minwen.
5. Where is your company located?
Our Export Office is located in Guangzhou, with associated factories across China. This helps our international clients to integrate all the high quality resources together with Minwen.