An air separation unit dedicated to the production of pure nitrogen. According to different requirements of the end users for pressure grade of pure nitrogen product, the flow process of pure nitrogen equipment mainly includes orthoflow air expansion, waste nitrogen return expansion, double column orthoflow expansion and so on.
An air separation unit dedicated to the production of pure nitrogen. According to different requirements of the end users for pressure grade of pure nitrogen product, the flow process of pure nitrogen equipment mainly includes orthoflow air expansion, waste nitrogen return expansion, double column orthoflow expansion and so on.
1. The patented technology is mature and the process is optimized.
2. The operation is stable and simple.
3. Customizable pressure grade without using product compressors.
4. Excellent pre- and after-sales services.
| Project name | Year | Location | Application field | Operating conditions | Nitrogen yield (optional LN yield) | Nitrogen purity | Nitrogen Pressure (before/after compressor) | Optional Oxygen output | O2 purity |
| KDN-3000 | 2013 | ShanDong | chemical | Design | 3000nm3/h or 150TPD (150nm3/h or 4.5TPD) | ≤2PPmO He Ne≤25PPm | 0.7Mpa | 350nm3/h or 12TPD | 99.6%O2 |
| KDN-11000 | 2013 | BeiJing | chemical | Design | 11000nm3/h or 330TPD | 0.25Mpa/2.45Mpa | |||
| KDN-11500 | 2015 | NeiMengGu | chemical | Design | 11500nm3/h or 345TPD (200nm3/h or 6TPD) | 0.7Mpa | 300nm3/h or 10TPD | ||
| KDN-20000 | 2018 | HeiLongJiang | chemical | Design | 20000nm3/h or 600TPD (500nm3/h or 15TPD) | 0.26Mpa/0.85 Mpa | |||
| KDN-6000 | 2003 | ShanXi | chemical | Design | 6000nm3/h or 240TPD | 0.25Mpa |
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