The fully enclosed automatic nitrogen blowing instrument is one of the new concentration products jointly developed by our company and Zhejiang University of Technology in combination with laboratory usage needs, from multiple perspectives such as user convenience, safety, speed, and stability. The product is designed with 50 stage program temperature control, electric lifting, high sample visualization, and high airtightness from the perspective of user convenience and sample safety. It realizes multiple sets of data storage functions, realizing the safety and convenience of the entire concentration process, making the tedious concentration process flexible, worry free, efficient, and safe.