START OF AN AIR SEPARATION UNIT WITH CONDENSATION UNIT
DE602024004113T2Active Publication Date: 2026-04-22LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
- Filing Date
- 2024-06-21
- Publication Date
- 2026-04-22
AI Technical Summary
Technical Problem
Existing air separation apparatuses face challenges in smooth start-up due to the high cost and potential material deformation caused by rapid cooling when using external liquid nitrogen reserves, which are difficult to store and control.
Method used
Utilize a gas flow cooled by expansion in the nitrogen liquefier's expander to supply cold during start-up, eliminating the need for external liquid nitrogen reserves and controlling the cooling rate through regulated gas and liquid flow management.
Benefits of technology
Enables cost-effective and safe start-up with controlled cooling rates, reducing the risk of material deformation and ensuring reliable operation of the air separation apparatus.
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