The main classification of nitrogen generators

Cryogenic air separation nitrogen production Cryogenic air separation nitrogen production is a traditional nitrogen production method with a history of recent decades. It uses air as raw material, after compression, purification, and then use heat exchange to liquefy the air into liquid air. Liquid air is mainly a mixture of liquid oxygen and liquid nitrogen. Using the different boiling points of liquid oxygen and liquid nitrogen (under 1 atmosphere, the boiling point of the former is -183 °C, and the latter is -196 °C), through the rectification of liquid air , separate them to obtain nitrogen. Cryogenic air separation nitrogen production equipment is complex, covers a large area, has high infrastructure costs, large one-time investment in equipment, high operating costs, slow gas production: 12 to 24 hours, high installation requirements and long periods. Comprehensive equipment, installation and infrastructure factors, equipment below 3500Nm3/h, the investment scale of PSA unit of the same specification is 20% to 50% lower than that of cryogenic air separation unit. Cryogenic air separation nitrogen generator is suitable for large-scale industrial nitrogen production, while medium and small-scale nitrogen production is uneconomical.How to Leak Detection of Vacuum Furnace Molecular Sieve Air Separation for Nitrogen Production Using air as raw material, carbon molecular sieve as adsorbent, using the principle of pressure swing adsorption, and using carbon molecular sieve to selectively adsorb oxygen and nitrogen to separate nitrogen and oxygen, it is commonly known as PSA nitrogen production. This method is a new nitrogen production technology developed rapidly in the 1970s. Compared with the traditional nitrogen production method, it has the advantages of simple process flow,How to control distortion in vacuum heat treatment of sheet parts? high degree of automation, fast gas production (15-30 minutes), low energy consumption, product purity can be adjusted according to user needs in a large range, convenient operation and maintenance, and operation. Due to its low cost and strong device adaptability, it is quite competitive in nitrogen production equipment below 1000Nm3/h, and is increasingly welcomed by medium and small nitrogen users. PSA nitrogen production has become the first choice for medium and small nitrogen users. method.304 stainless steel cold rolling and vacuum annealing process