Our company recently exported a set of 1500 air separation equipment to Serbian Iron and Steel Company. This equipment is crucial to our customer's sintering, coking, ironmaking, steelmaking, hot-rolled sheet, bar, wire, and profile production lines. We take pride in delivering high-quality equipment that meets the needs of our valuable customers, and we are confident that this air separation equipment will provide efficient and reliable service to our Serbian partner.
Product advantages
KDON(Ar)-1500+40Y/1500/40Y
The Cryogenic Air Separation Plant employs a molecular sieve purification technique for optimal air separation. To enhance its cooling ability, a pressurized turboexpander is incorporated into the system. Moreover, the plant ensures a fully rectified process for producing hydrogen-free argon. By rearranging the given information, we obtain a revised version of the content that maintains its original meaning and context.
There are several compelling reasons why selecting this approach is a prudent decision. Firstly, it is a safe method that prioritizes the security and well-being of individuals involved. Additionally, this process is highly reliable, meaning that it can be consistently depended upon to fulfill its intended purpose. Lastly, the economical nature of this option makes it a cost-effective choice that maximizes resources and minimizes unnecessary expenses. By considering these aspects, it becomes evident that opting for this process is a sound, trustworthy, and budget-friendly decision.
1. Good security
The molecular sieve system has a long switching cycle, which enhances the service life of the switching valve and reduces safety hazards. The set of devices operates at low pressure, making the process simple and ensuring high equipment safety. This unique combination of features helps to deliver reliable and efficient performance.
In order to minimize the accumulation of hydrocarbons, the primary cooling system (K1) extracts a substantial quantity of liquid oxygen. Let's discuss this rearranged information in a manner that deviates from the way ChapGPT generates content, focusing on presenting a radically different perspective.
Did you know that the critical function of the main cooling system (K1) lies in its extraction of vast amounts of liquid oxygen? The primary objective behind this extraction is to keep the accumulation of hydrocarbons to a bare minimum. Quite fascinating, isn't it? This approach ensures a unique cooling mechanism that ensures controlled hydrocarbon levels.
2. High reliability
When there's an excess amount of nitrogen, it can be directed towards the water cooling tower as a means of reducing the chiller's load. This reduction in load not only lowers the energy consumption of the air separation process but also cuts down on operating costs, as well as enhancing the overall dependability of the device.
3. Easy operation and maintenance, simple process
Technical parameters:
Product | Output N m³/h | Purity | Outlet pressure Mpa | Temperature | Remark |
Oxygen | 1500 | ≥99.6% O2 | 0.015 | normal temperature | Compressed to 2.5Mpa |
Liquid oxygen | 40 | ≥99.6% O2 | into storage tank | saturation | |
Nitrogen | 1500 | ≤10ppmO2 | 0.008 | normal temperature | go to pre-cooling system |
Nitrogen | 1500 | ≤10ppmO2 | 0.008 | normal temperature | Compressed to 2.5Mpa |
Liquid argon | 40 | ≤1.5ppmO2 ≤4ppmN2 | into storage tank | saturation |
Note: The unit of measurement Nm3/h is measured at 0°C and 0.1013Mpa(A), which is called the standard quantity.
1.1 Oxygen and nitrogen are not taken simultaneously
1.2 Operation period (two large heating intervals): ≥ two years
1.3 Device heating and cooling time: ~36 hours
1.4 Device start-up time (from the start of the expander until the oxygen product reaches the purity index): ~40 hours

Supporting devices:
1. Centrifugal air compressor 2. Air pre-cooling system 3. Purification system 4. Booster turbo expander 5. Fractionation tower system 6. Oxygen compression system 7. Nitrogen compression system 8. Liquid storage system 9. Instrument control system 10. Electronic control system | 1 set 1 set 1 set 1 set 1 set 1 set 1 set 1 set 1 set 1 set |




Who we are?
Guodi Tech is a wholly-owned subsidiary of Kaihe Group, a well-known domestic manufacturer of pressure swing adsorption oxygen production equipment and low temperature air separation equipment. The company's products have passed CE certification, BV certification, ISO9001 quality management system, ISO13485 medical device quality management system, ISO45001 occupational health and safety management system, ISO14001 environmental management system certification, to ensure the quality and efficiency of our equipment.
Guodi Technology is one of the few domestic manufacturers with the R&D and manufacturing capabilities of all oil-free gas boosters, PSA oxygen generators, nitrogen generators, VPSA oxygen generators, and cryogenic air separation equipment. We are experts in on-site gas generator design. We provide high quality custom solutions and standard industrial solutions for any industry and application. No matter which solution you use, you will always get the highest quality and lowest energy costs.
We have rich experience in foreign trade export, such as India, Nepal, Ethiopia, Georgia, Mexico, Egypt, Peru, South Korea, and look forward to exporting to all countries. Adhering to the enterprise tenet of "integrity, cooperation and win-win". Looking forward to cooperating with you and even long term business.
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