The household small nitrogen generator is a new miniaturized gas supply equipment developed for civilian food preservation scenarios, which perfectly solves the problems of short shelf life, easy oxidation, mildew and deterioration of household stored food. In daily family life, grains, nuts, dried fruits, cooked food, tea and other foods are easily affected by oxygen, moisture and bacteria in the air, resulting in oxidation and deterioration, nutrient loss, and mold growth, which not only causes food waste but also brings hidden dangers to dietary health. Nitrogen is an inert, non-toxic, tasteless and harmless gas, which can isolate oxygen and inhibit the reproduction of aerobic bacteria and mold. The miniaturized household nitrogen generator can quickly produce high-purity food-grade nitrogen, providing a safe and convenient preservation solution for household food storage.

Different from industrial large-scale nitrogen generators, household small nitrogen generators adopt miniaturized membrane separation nitrogen production technology, which has the characteristics of small size, low noise, low power consumption and simple operation, fully adapting to household use scenarios. The equipment is compact in design, small in floor space, and can be placed in kitchen cabinets, storage rooms and other household spaces. The built-in high-precision membrane separation core can filter and separate nitrogen in the air efficiently, with the output nitrogen purity stably maintained at 95%-99%, which meets the food-grade safety standards and fully meets the household food inert preservation needs. The whole operation process is fully automatic with one-key start and stop, no professional operation and maintenance is required, and the working noise is lower than 40 decibels, which will not affect the household living environment.

The household nitrogen generator has a wide range of food preservation applications and remarkable preservation effects. For dry foods such as tea, coffee beans, nuts and grains, nitrogen filling can isolate oxygen and moisture, prevent oxidative deterioration, moisture mildew and insect infestation, and maintain the original flavor and nutrient content of the food for a long time. For cooked foods, fruits and vegetable products, nitrogen inerting can inhibit the growth of microorganisms, delay food spoilage, and extend the fresh-keeping period by 2-3 times compared with ordinary open storage. In addition, the equipment can be matched with household vacuum nitrogen preservation boxes and fresh-keeping bags, realizing targeted fresh-keeping storage of different types of food, and avoiding the use of chemical preservatives, ensuring food safety and health.

In terms of use cost and safety, household small nitrogen generators have extremely high civilian practicality. The equipment has ultra-low power consumption, with a power consumption of less than 0.2 kWh per day for daily intermittent use, and no consumable replacement cost in the long term, avoiding the repeated purchase cost of disposable nitrogen fresh-keeping products. The whole machine adopts food-grade safe materials, with no harmful gas emission in the nitrogen production process, zero pollution and zero radiation, which is safe for families, children and the elderly. With the improvement of household healthy living standards, the small nitrogen generator for food preservation has gradually become a new practical household appliance, bringing efficient, safe and energy-saving fresh-keeping protection for family food storage.