Specialized Nitrogen Generator For Green Grain Storage Industry Application

Green grain storage industry application

In the grain storage industry, utilizing the chemical properties of nitrogen can put grains in a dormant and oxygen deficient state, slow down their metabolism, and achieve good insect, mold, and spoilage prevention effects, without contaminating the grains. Filling various types of grain piles such as rice, wheat, barley, corn, and rice with nitrogen can prevent insect infestation, prevent overheating, and prevent mold growth, so that the grain can smoothly pass through the summer. This method involves tightly sealing the grain with plastic cloth, first creating a low vacuum state, and then filling it with nitrogen gas with a purity of about 98% until the internal and external pressures are balanced. This can cause oxygen deficiency in the grain pile, reduce the respiratory intensity of the grain, inhibit the reproduction of microorganisms, and all pests will die within 36 hours due to oxygen deficiency. This method of reducing oxygen and killing insects can not only save a lot of costs (about one percent of the cost required for fumigation with highly toxic drugs such as zinc phosphide), but also maintain the freshness and nutritional value of food, prevent bacterial infection and drug contamination.

When the air in the pressurized through the purification and drying, Base on Aerodynamics, nitrogen and oxygen in the air in the zeolite molecular sieve (ZMS) on the Pressure swing adsorption  will performance of different diffusion rate through the adsorption of nitrogen. Oxygen in carbon molecular sieve on the surface of the diffusion rate is higher than nitrogen. When the adsorption was not in balance, oxygen was absorbed by carbon molecular sieve in large quantity, and nitrogen was concentrated and enriched in the gas phase to achieve separation of oxygen and nitrogen.