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變壓吸附制氮采用優(yōu)質(zhì)碳分子篩為吸附劑。 一定壓力下，根據(jù)空氣中氧分子的擴(kuò)散速率更大于氮分子的擴(kuò)散速率及碳分子篩同有的物理特性，利用氮分子、氧分子在通過碳分子篩時(shí)吸附量的差異，通過可編程序控制氣動(dòng)閥的啟、閉，達(dá)到A、B兩組吸附塔交替循環(huán)、加壓吸附、減壓脫附的過程，完成氧、氮分離，氮?dú)獾牧髁亢图兌瓤筛鶕?jù)用戶要求調(diào)節(jié)。氮?dú)饧兌纫淮涡钥蛇_(dá)98－99.99%，與氮?dú)饧兓b置配套后氮?dú)饧兌瓤商岣叩?9.9995%，露點(diǎn)≤-60℃。

PSA-nitrogen making machine uses high quality carbon molecular sieve as adsorbent. Under certain pressure, according to the rate of the diffusion of oxygen molecules in the air more than that of nitrogen molecules and the inherent physical characteristics of carbon molecular sieve, the differences of adsorption quantity that nitrogen and oxygen molecules go through the carbon molecular sieve are used. Through program to control the opening and closing of pneumatic valve, two groups of adsorption tower (A and B) alternate cycle, increase the pressure and adsorb, reduce the pressure and strip to complete the separation of oxygen and nitrogen. The flow rate and the purity of nitrogen can be adjusted according to users' requirements. Nitrogen purity can reach 98-99.99%, and nitrogen purity can be raised to 99.9995%, dew point =-60C with the nitrogen purification equipment.

適用于食品醫(yī)藥行業(yè)：面包、月餅、蛋黃派、法式面包、餅干、巧克力、雪米餅、藥品、葡萄酒、茶葉以及各種農(nóng)副產(chǎn)品的充氮保鮮包裝。冶金行業(yè)：粉末冶金、銅加工氮?dú)獗Ｗo(hù)；化工行業(yè)：石油、天然氣、化工氮?dú)獗Ｗo(hù)；金屬熱處理氮?dú)獗Ｗo(hù)；磁性材料的氮?dú)獗Ｗo(hù)等等。

Applicable to the food and pharmaceutical industry: the nitrogen-filled preservation and packaging of bread, moon cake, yolk pie, French bread, biscuits, chocolate, snow cake, pharmaceuticals, wine, tea and various agricultural and sideline products. Metallurgical industry: powder metallurgy, copper processing nitrogen protection; Chemical industry: petroleum, natural gas, chemical nitrogen protection; nitrogen protection of metal heat treatment, nitrogen protection of magnetic materials and so on.