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\rHZA<\/span><\/span>系列制氮機(jī)是根據(jù)變壓吸附原理，采用高品質(zhì)的碳分子篩作為吸附劑，在一定的壓力下，從壓縮空氣中制取氮?dú)狻?\/span><\/span>\r<\/p>\r

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\r進(jìn)氣<\/span>:<\/span><\/span><\/span><\/b>空壓機(jī)把一定壓力的空氣壓進(jìn)輸送管道<\/span>,<\/span><\/span>再通過(guò)壓縮空氣凈化系統(tǒng)去除其中的水分、油分和灰塵等雜質(zhì)，到達(dá)空氣緩沖罐<\/span>,<\/span><\/span>經(jīng)空氣緩沖罐輸送到兩只吸附塔中。<\/span><\/span>\r<\/p>\r

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\r吸附<\/span>:<\/span><\/span><\/span><\/b>當(dāng)經(jīng)過(guò)儲(chǔ)氣罐中的空氣進(jìn)入吸附塔中<\/span>,<\/span><\/span>在壓力作用下<\/span>,<\/span><\/span>氧氣、二氧化碳被迅速吸附<\/span>. <\/span><\/span>在吸附未達(dá)到平衡時(shí)，氮在氣相中被富集起來(lái)，形成成品氮?dú)�。然后減壓至常壓，吸附劑脫附所吸附的氧氣等其它雜質(zhì)，實(shí)現(xiàn)再生。一塔吸附產(chǎn)氮，另一塔脫附再生<\/span>. <\/span><\/span>使兩塔交替循環(huán)工作，以實(shí)現(xiàn)連續(xù)生產(chǎn)高品質(zhì)氮?dú)庵康摹?\/span><\/span>\r<\/p>\r

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\r出氣<\/span>:<\/span><\/span><\/span><\/b>當(dāng)吸附過(guò)程進(jìn)行到**時(shí)刻時(shí)<\/span>(<\/span><\/span>氮?dú)鈱?duì)氧氣的吸附最小<\/span>),<\/span><\/span>打開出氣閥門<\/span>,<\/span><\/span>輸出成品氮?dú)獾降獨(dú)饩彌_罐。<\/span><\/span>\r<\/p>\r

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\r均壓：<\/span><\/span><\/b>排氣過(guò)程完成后<\/span>,<\/span><\/span>塔內(nèi)尚有一定壓力純度的氮?dú)饣旌蠚?\/span>,<\/span><\/span>如果排掉非�？上�<\/span>,<\/span><\/span>于是直接將其排入另外一個(gè)吸附塔一起和接下來(lái)沖入的空氣一起進(jìn)行再吸附<\/span>,<\/span><\/span>這個(gè)過(guò)程因?yàn)榈絻伤䦃毫ο嗟葧r(shí)便結(jié)束<\/span>,<\/span><\/span>于是稱為均壓。<\/span><\/span>\r<\/p>\r

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\r排氣：<\/span><\/span><\/b>均壓完成后<\/span>,<\/span><\/span>需要將塔內(nèi)被分子篩吸附的氣體釋放出去為下一次吸附作準(zhǔn)備<\/span>,<\/span><\/span>程序自動(dòng)將打開排氣閥<\/span>,<\/span><\/span>使塔內(nèi)壓力回到初始狀態(tài)<\/span>,<\/span><\/span>并把分子篩重新具備吸附新空氣的能力。<\/span><\/span>\r<\/p>\r

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