A linear coffee capsul filling sealing machine generally has three nitrogen filling operations during the whole work flow. They are nitrogen filling once before the screw of the servo motor, nitrogen filling the hopper once, and the coffee cup edge cleaning before taking and placing the film ( UV sterilization-optional) and then fill with nitrogen once. Details can be customized according to customer needs. So what are the benefits of filling the coffee capsules filling machine with nitrogen? The main purpose is to improve the freshness of coffee capsules and coffee powder in the hopper and increase the taste, which is in line with the humanized design concept of shanghai joygoal food machinery co., ltd.