I believe that everyone is unfamiliar with the food nitrogen machine among the nitrogen machines, because it is not only one of the types of nitrog en machines, but also very importantly, it is also a website product and one of the main keywords. Therefore, there must be no carelessness or slackness in your learning and understanding, so as not to affect the learning effect. So the following topic is still to reflect its importance. 1. Are there clear regulations on the purity of nitrogen used in the food industry? If its purity is not up to standard, can it be used? The purity of nitrogen used in the food industry is clearly specified. Therefore, a food nitrogen generator is used to meet its purity requirements. If the purity of nitrogen is not up to standard, then it cannot be used. Therefore, its nitrogen gas, at least food grade nitrogen, so that will work. 2. Can food nitrogen making machines be used in other industries except the food industry? For the food nitrogen machine, a nitrogen machine, it is targeted to a certain extent, mainly for the food industry, so it has this name. As for whether it can be used in other industries, it depends on the specific situation and will be determined by the actual situation. Nitrogen makers used in other industries are generally not suitable for the food industry because their nitrogen purity is not up to standard. 3. What is the main role of nitrogen produced by food nitrogen machines in food? And, how to get food grade nitrogen? The specific role of nitrogen produced by food nitrogen making machines on food is to prevent oxidation and deterioration of food, and it plays a protective role for food. As for how to get food-grade nitrogen, it is very simple. As long as the compressed air is purified and then passed through a food nitrogen maker, food-grade nitrogen can be obtained.