中空纤维隔膜制氮技术在辊底式热处理炉中的应用

APPLICATION OF NITROGEN-MAKING TECHNIQUE WITH HOLLOW FIBRE DIAPHRAGM To ROLLER-HEARTH HEAT TREATMENT FURNACE

介绍了中空纤维隔膜制氮技术在氮基气氛辊底式热处理炉中的应用及氮气加甲醇裂解气炉内气氛保护系统，分析了中空纤维隔膜气体分离氮气的生产技术、原理和设备。

The paper describes the application of nitrogen-making technique with hollow fibre diaphragm to the roller-hearth heat treatment furnace with nitrogen-based atmosphere and the protection system with the atmosphere consisting of nitrogen and methanol cracking gas.Also analyzed are the nitrogen-making technique involving air-separation with hollow fibre diaphragm and relevant theory and facilities.