一、制氮機工作原理

制(zhi)(zhi)氮(dan)(dan)(dan)(dan)機的(de)(de)(de)(de)原(yuan)(yuan)理(li)主要(yao)有(you)三(san)種：1、PSA變壓吸(xi)(xi)(xi)附制(zhi)(zhi)氮(dan)(dan)(dan)(dan)原(yuan)(yuan)理(li)：用(yong)碳(tan)分(fen)(fen)(fen)(fen)子(zi)篩作為(wei)吸(xi)(xi)(xi)附劑，設計科學的(de)(de)(de)(de)工藝流程，利用(yong)變壓吸(xi)(xi)(xi)附的(de)(de)(de)(de)原(yuan)(yuan)理(li)制(zhi)(zhi)取(qu)氮(dan)(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)：基于碳(tan)分(fen)(fen)(fen)(fen)子(zi)篩對氧(yang)(yang)(yang)(yang)(yang)和氮(dan)(dan)(dan)(dan)的(de)(de)(de)(de)吸(xi)(xi)(xi)附速(su)率(lv)不同(tong)，碳(tan)分(fen)(fen)(fen)(fen)子(zi)篩優(you)先吸(xi)(xi)(xi)附氧(yang)(yang)(yang)(yang)(yang)氣(qi)(qi)(qi)(qi)(qi)，碳(tan)分(fen)(fen)(fen)(fen)子(zi)篩本身具有(you)加壓時對氧(yang)(yang)(yang)(yang)(yang)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)吸(xi)(xi)(xi)附容量增(zeng)加，減(jian)壓時對氧(yang)(yang)(yang)(yang)(yang)的(de)(de)(de)(de)吸(xi)(xi)(xi)附量減(jian)少(shao)的(de)(de)(de)(de)特性，利用(yong)這(zhe)種特性實(shi)現氧(yang)(yang)(yang)(yang)(yang)氣(qi)(qi)(qi)(qi)(qi)和氮(dan)(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)分(fen)(fen)(fen)(fen)離，得到我們所需要(yao)的(de)(de)(de)(de)氮(dan)(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)。2、深(shen)冷空(kong)分(fen)(fen)(fen)(fen)制(zhi)(zhi)氮(dan)(dan)(dan)(dan)原(yuan)(yuan)理(li)：深(shen)冷空(kong)分(fen)(fen)(fen)(fen)制(zhi)(zhi)氮(dan)(dan)(dan)(dan)是(shi)(shi)一種傳統(tong)的(de)(de)(de)(de)制(zhi)(zhi)氮(dan)(dan)(dan)(dan)方法，它(ta)(ta)是(shi)(shi)以空(kong)氣(qi)(qi)(qi)(qi)(qi)為(wei)原(yuan)(yuan)料，經過(guo)壓縮、凈化，再(zai)利用(yong)熱交換使空(kong)氣(qi)(qi)(qi)(qi)(qi)液化成為(wei)液態，液態空(kong)氣(qi)(qi)(qi)(qi)(qi)主要(yao)是(shi)(shi)液氧(yang)(yang)(yang)(yang)(yang)和液氮(dan)(dan)(dan)(dan)的(de)(de)(de)(de)混合物(wu)，利用(yong)液氧(yang)(yang)(yang)(yang)(yang)和液氮(dan)(dan)(dan)(dan)的(de)(de)(de)(de)沸點(dian)不同(tong)（在1大氣(qi)(qi)(qi)(qi)(qi)壓下，前者(zhe)的(de)(de)(de)(de)沸點(dian)為(wei)-183℃，后者(zhe)的(de)(de)(de)(de)為(wei)-196℃），通(tong)過(guo)精餾(liu)，使它(ta)(ta)們分(fen)(fen)(fen)(fen)離來獲得氮(dan)(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)。3、膜空(kong)分(fen)(fen)(fen)(fen)制(zhi)(zhi)氮(dan)(dan)(dan)(dan)原(yuan)(yuan)理(li)：膜空(kong)分(fen)(fen)(fen)(fen)制(zhi)(zhi)氮(dan)(dan)(dan)(dan)是(shi)(shi)利用(yong)高(gao)分(fen)(fen)(fen)(fen)子(zi)中空(kong)纖維膜對空(kong)氣(qi)(qi)(qi)(qi)(qi)中氮(dan)(dan)(dan)(dan)和氧(yang)(yang)(yang)(yang)(yang)等氣(qi)(qi)(qi)(qi)(qi)體分(fen)(fen)(fen)(fen)子(zi)具有(you)不同(tong)的(de)(de)(de)(de)滲(shen)透速(su)率(lv)，將氮(dan)(dan)(dan)(dan)跟氧(yang)(yang)(yang)(yang)(yang)等氣(qi)(qi)(qi)(qi)(qi)體進行分(fen)(fen)(fen)(fen)離而制(zhi)(zhi)取(qu)高(gao)純度氮(dan)(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)。

二、制氮機設備生產工藝流程

1、PSA制(zhi)氮(dan)(dan)(dan)機(ji)工(gong)(gong)藝流(liu)程(cheng)：PSA制(zhi)氮(dan)(dan)(dan)機(ji)是(shi)應(ying)(ying)用(yong)(yong)(yong)壓力擺動吸附(fu)技術的(de)(de)(de)(de)一種氣(qi)(qi)(qi)(qi)(qi)體分(fen)(fen)(fen)離(li)設備，主要用(yong)(yong)(yong)于(yu)從空(kong)氣(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)分(fen)(fen)(fen)離(li)出(chu)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)。其(qi)工(gong)(gong)藝流(liu)程(cheng)有三個步驟：（1）空(kong)氣(qi)(qi)(qi)(qi)(qi)壓縮(suo)及凈(jing)(jing)化(hua)。使(shi)用(yong)(yong)(yong)壓縮(suo)機(ji)將空(kong)氣(qi)(qi)(qi)(qi)(qi)壓縮(suo)，并經過(guo)(guo)(guo)(guo)(guo)(guo)(guo)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾器(qi)去除(chu)(chu)雜質(zhi)和(he)水分(fen)(fen)(fen)。（2）氧(yang)(yang)(yang)氮(dan)(dan)(dan)分(fen)(fen)(fen)離(li)。利用(yong)(yong)(yong)專用(yong)(yong)(yong)碳分(fen)(fen)(fen)子(zi)(zi)篩(shai)的(de)(de)(de)(de)吸附(fu)塔(ta)(ta)，通(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)交(jiao)替進行吸附(fu)和(he)再生(sheng)，分(fen)(fen)(fen)離(li)空(kong)氣(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)的(de)(de)(de)(de)氧(yang)(yang)(yang)氣(qi)(qi)(qi)(qi)(qi)和(he)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)。（3）氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)輸出(chu)。純(chun)凈(jing)(jing)的(de)(de)(de)(de)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)從吸附(fu)塔(ta)(ta)中(zhong)(zhong)流(liu)出(chu)，達到所需純(chun)度后供應(ying)(ying)使(shi)用(yong)(yong)(yong)。2、深冷制(zhi)氮(dan)(dan)(dan)機(ji)工(gong)(gong)藝流(liu)程(cheng)：深冷制(zhi)氮(dan)(dan)(dan)機(ji)是(shi)通(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)低(di)溫空(kong)氣(qi)(qi)(qi)(qi)(qi)分(fen)(fen)(fen)離(li)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)程(cheng)來實現氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)提取的(de)(de)(de)(de)一種設備。它利用(yong)(yong)(yong)低(di)溫條件下氣(qi)(qi)(qi)(qi)(qi)體組分(fen)(fen)(fen)的(de)(de)(de)(de)相對揮發性差異，使(shi)空(kong)氣(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)的(de)(de)(de)(de)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)與氧(yang)(yang)(yang)氣(qi)(qi)(qi)(qi)(qi)等(deng)(deng)組分(fen)(fen)(fen)實現分(fen)(fen)(fen)離(li)。其(qi)工(gong)(gong)藝流(liu)程(cheng)也是(shi)三個步驟：（1）空(kong)氣(qi)(qi)(qi)(qi)(qi)壓縮(suo)及凈(jing)(jing)化(hua)。空(kong)氣(qi)(qi)(qi)(qi)(qi)經過(guo)(guo)(guo)(guo)(guo)(guo)(guo)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)濾器(qi)和(he)干燥凈(jing)(jing)化(hua)器(qi)，去除(chu)(chu)水分(fen)(fen)(fen)、二氧(yang)(yang)(yang)化(hua)碳等(deng)(deng)雜質(zhi)，然后通(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)壓縮(suo)機(ji)壓縮(suo)。（2）在空(kong)分(fen)(fen)(fen)塔(ta)(ta)中(zhong)(zhong)，通(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)冷卻、精餾(liu)等(deng)(deng)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)程(cheng)將空(kong)氣(qi)(qi)(qi)(qi)(qi)分(fen)(fen)(fen)離(li)，產生(sheng)純(chun)凈(jing)(jing)的(de)(de)(de)(de)液氮(dan)(dan)(dan)。（3）液氮(dan)(dan)(dan)通(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)汽化(hua)器(qi)被加(jia)熱后，轉變為氣(qi)(qi)(qi)(qi)(qi)態氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)，供應(ying)(ying)給用(yong)(yong)(yong)戶使(shi)用(yong)(yong)(yong)。3、膜(mo)(mo)(mo)(mo)制(zhi)氮(dan)(dan)(dan)機(ji)工(gong)(gong)藝流(liu)程(cheng)：膜(mo)(mo)(mo)(mo)制(zhi)氮(dan)(dan)(dan)機(ji)是(shi)利用(yong)(yong)(yong)高分(fen)(fen)(fen)子(zi)(zi)膜(mo)(mo)(mo)(mo)的(de)(de)(de)(de)選擇性滲透(tou)特征來實現氣(qi)(qi)(qi)(qi)(qi)體分(fen)(fen)(fen)離(li)的(de)(de)(de)(de)裝(zhuang)置，其(qi)工(gong)(gong)藝流(liu)程(cheng)有兩個步驟：（1）膜(mo)(mo)(mo)(mo)分(fen)(fen)(fen)離(li)。氣(qi)(qi)(qi)(qi)(qi)體通(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)高分(fen)(fen)(fen)子(zi)(zi)膜(mo)(mo)(mo)(mo)，利用(yong)(yong)(yong)不(bu)同(tong)氣(qi)(qi)(qi)(qi)(qi)體在膜(mo)(mo)(mo)(mo)上的(de)(de)(de)(de)滲透(tou)速率不(bu)同(tong)，實現氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)和(he)其(qi)他氣(qi)(qi)(qi)(qi)(qi)體的(de)(de)(de)(de)分(fen)(fen)(fen)離(li)。（2）氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)輸出(chu)。純(chun)凈(jing)(jing)的(de)(de)(de)(de)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)通(tong)過(guo)(guo)(guo)(guo)(guo)(guo)(guo)膜(mo)(mo)(mo)(mo)分(fen)(fen)(fen)離(li)后供應(ying)(ying)使(shi)用(yong)(yong)(yong)。

三、制氮機多少錢一臺

制(zhi)氮機的價(jia)(jia)格(ge)(ge)一般受到(dao)型號規格(ge)(ge)、處(chu)理(li)能(neng)力(li)(li)、生(sheng)產(chan)氮氣的純(chun)度、配置功能(neng)、生(sheng)產(chan)廠家(jia)等因素影響，小型制(zhi)氮機價(jia)(jia)格(ge)(ge)在幾千(qian)元一臺到(dao)上萬(wan)元甚至幾萬(wan)元一臺左右，一些高(gao)(gao)端的小型氮氣機具有高(gao)(gao)精度、高(gao)(gao)純(chun)度、低噪音(yin)等特性，價(jia)(jia)格(ge)(ge)也(ye)會相應更(geng)高(gao)(gao)。中型制(zhi)氮機（處(chu)理(li)能(neng)力(li)(li)在10-100 Nm3/h）的價(jia)(jia)格(ge)(ge)大(da)約為數萬(wan)至十多萬(wan)元；而大(da)型制(zhi)氮機（處(chu)理(li)能(neng)力(li)(li)超過100 Nm3/h）的價(jia)(jia)格(ge)(ge)可能(neng)達到(dao)數十萬(wan)元甚至更(geng)高(gao)(gao)。

四、制氮機廠家怎么選

在選購制氮機時，應綜合考慮生產的氮氣純度需求、產氮量需求、露點需求、環境條件、設備投資與運行成本，選擇適合的產品，除此之外還要注意制氮機廠家的選擇：1、了解廠家實力：選擇制氮機廠家時，首先要了解廠家的實力。查看廠家的資質、技術水平、生產能力等方面，確保廠家具備生產高質量制氮機的能力。同時，了解廠家的規模和經營狀況，確保廠家具備穩定的生產和供貨能力。2、比較產品性能：選擇制氮機廠家時，要對其產品進行比較。了解不同廠家的制氮機性能參數、技術特點和使用效果等方面的信息，以便更好地選擇適合自己需求的制氮機。同時，要注意選擇技術成熟、品質可靠的制氮機產品。3、考察服務質量：除了產品本身的質量，廠家的服務質量也是選擇廠家時需要考慮的重要因素。了解廠家的售后服務體系、維修保養能力等方面的情況，確保在使用過程中能夠得到及時的技術支持和維修保養服務。4、參考用戶口碑：用戶口碑是選擇制氮機廠家時的重要參考依據。通過搜索網絡、行業論壇等渠道了解用戶對不同廠家的評價和口碑，以便更好地選擇合適的廠家。同時，要注意甄別虛假評價和廣告宣傳，確保獲取的信息真實可靠。如果您不太了解，可以先來看看制氮機十大品牌。