一、制氮機工作原理

制(zhi)(zhi)氮(dan)(dan)(dan)機的(de)(de)(de)原(yuan)理主要(yao)(yao)有(you)(you)三種(zhong)(zhong)：1、PSA變壓(ya)吸(xi)(xi)附(fu)制(zhi)(zhi)氮(dan)(dan)(dan)原(yuan)理：用(yong)(yong)碳分(fen)(fen)子篩(shai)作為吸(xi)(xi)附(fu)劑(ji)，設計科學的(de)(de)(de)工藝流程，利(li)用(yong)(yong)變壓(ya)吸(xi)(xi)附(fu)的(de)(de)(de)原(yuan)理制(zhi)(zhi)取氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)：基于(yu)碳分(fen)(fen)子篩(shai)對(dui)氧和(he)氮(dan)(dan)(dan)的(de)(de)(de)吸(xi)(xi)附(fu)速(su)率不(bu)同，碳分(fen)(fen)子篩(shai)優(you)先吸(xi)(xi)附(fu)氧氣(qi)(qi)(qi)(qi)，碳分(fen)(fen)子篩(shai)本身具(ju)有(you)(you)加(jia)壓(ya)時(shi)對(dui)氧氣(qi)(qi)(qi)(qi)的(de)(de)(de)吸(xi)(xi)附(fu)容量增加(jia)，減壓(ya)時(shi)對(dui)氧的(de)(de)(de)吸(xi)(xi)附(fu)量減少的(de)(de)(de)特性(xing)，利(li)用(yong)(yong)這種(zhong)(zhong)特性(xing)實現氧氣(qi)(qi)(qi)(qi)和(he)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)的(de)(de)(de)分(fen)(fen)離(li)，得到我(wo)們(men)所需(xu)要(yao)(yao)的(de)(de)(de)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)。2、深(shen)冷空(kong)(kong)(kong)(kong)(kong)分(fen)(fen)制(zhi)(zhi)氮(dan)(dan)(dan)原(yuan)理：深(shen)冷空(kong)(kong)(kong)(kong)(kong)分(fen)(fen)制(zhi)(zhi)氮(dan)(dan)(dan)是一種(zhong)(zhong)傳統的(de)(de)(de)制(zhi)(zhi)氮(dan)(dan)(dan)方法，它(ta)是以空(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)為原(yuan)料，經過壓(ya)縮、凈化，再利(li)用(yong)(yong)熱交(jiao)換使(shi)空(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)液(ye)化成為液(ye)態，液(ye)態空(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)主要(yao)(yao)是液(ye)氧和(he)液(ye)氮(dan)(dan)(dan)的(de)(de)(de)混合物，利(li)用(yong)(yong)液(ye)氧和(he)液(ye)氮(dan)(dan)(dan)的(de)(de)(de)沸點不(bu)同（在1大氣(qi)(qi)(qi)(qi)壓(ya)下(xia)，前者(zhe)的(de)(de)(de)沸點為-183℃，后者(zhe)的(de)(de)(de)為-196℃），通過精餾，使(shi)它(ta)們(men)分(fen)(fen)離(li)來(lai)獲(huo)得氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)。3、膜空(kong)(kong)(kong)(kong)(kong)分(fen)(fen)制(zhi)(zhi)氮(dan)(dan)(dan)原(yuan)理：膜空(kong)(kong)(kong)(kong)(kong)分(fen)(fen)制(zhi)(zhi)氮(dan)(dan)(dan)是利(li)用(yong)(yong)高分(fen)(fen)子中空(kong)(kong)(kong)(kong)(kong)纖維(wei)膜對(dui)空(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)中氮(dan)(dan)(dan)和(he)氧等氣(qi)(qi)(qi)(qi)體(ti)分(fen)(fen)子具(ju)有(you)(you)不(bu)同的(de)(de)(de)滲(shen)透速(su)率，將氮(dan)(dan)(dan)跟氧等氣(qi)(qi)(qi)(qi)體(ti)進行分(fen)(fen)離(li)而制(zhi)(zhi)取高純度(du)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)。

二、制氮機設備生產工藝流程

1、PSA制(zhi)(zhi)氮(dan)(dan)(dan)機(ji)(ji)工(gong)(gong)藝(yi)流(liu)程(cheng)(cheng)(cheng)(cheng)：PSA制(zhi)(zhi)氮(dan)(dan)(dan)機(ji)(ji)是應用(yong)壓(ya)(ya)(ya)力擺動(dong)吸(xi)(xi)附技術的(de)(de)一種(zhong)氣(qi)(qi)(qi)(qi)(qi)體分(fen)(fen)(fen)(fen)離(li)(li)(li)設備(bei)，主要用(yong)于從空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)(zhong)分(fen)(fen)(fen)(fen)離(li)(li)(li)出氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)。其(qi)工(gong)(gong)藝(yi)流(liu)程(cheng)(cheng)(cheng)(cheng)有三個(ge)步驟：（1）空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)縮(suo)及凈(jing)化。使用(yong)壓(ya)(ya)(ya)縮(suo)機(ji)(ji)將空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)縮(suo)，并經過(guo)(guo)(guo)過(guo)(guo)(guo)濾器(qi)(qi)去除(chu)雜(za)質和(he)水分(fen)(fen)(fen)(fen)。（2）氧(yang)氮(dan)(dan)(dan)分(fen)(fen)(fen)(fen)離(li)(li)(li)。利(li)(li)用(yong)專用(yong)碳(tan)分(fen)(fen)(fen)(fen)子(zi)(zi)篩的(de)(de)吸(xi)(xi)附塔(ta)，通(tong)(tong)過(guo)(guo)(guo)交(jiao)替進行吸(xi)(xi)附和(he)再生，分(fen)(fen)(fen)(fen)離(li)(li)(li)空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)(zhong)的(de)(de)氧(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。純凈(jing)的(de)(de)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)從吸(xi)(xi)附塔(ta)中(zhong)(zhong)(zhong)流(liu)出，達到所需純度后供應使用(yong)。2、深(shen)冷制(zhi)(zhi)氮(dan)(dan)(dan)機(ji)(ji)工(gong)(gong)藝(yi)流(liu)程(cheng)(cheng)(cheng)(cheng)：深(shen)冷制(zhi)(zhi)氮(dan)(dan)(dan)機(ji)(ji)是通(tong)(tong)過(guo)(guo)(guo)低溫空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)分(fen)(fen)(fen)(fen)離(li)(li)(li)過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)來(lai)實(shi)現(xian)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)提(ti)取的(de)(de)一種(zhong)設備(bei)。它利(li)(li)用(yong)低溫條(tiao)件下氣(qi)(qi)(qi)(qi)(qi)體組(zu)分(fen)(fen)(fen)(fen)的(de)(de)相對揮發(fa)性(xing)差異，使空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)(zhong)的(de)(de)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)與氧(yang)氣(qi)(qi)(qi)(qi)(qi)等組(zu)分(fen)(fen)(fen)(fen)實(shi)現(xian)分(fen)(fen)(fen)(fen)離(li)(li)(li)。其(qi)工(gong)(gong)藝(yi)流(liu)程(cheng)(cheng)(cheng)(cheng)也是三個(ge)步驟：（1）空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)縮(suo)及凈(jing)化。空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)經過(guo)(guo)(guo)過(guo)(guo)(guo)濾器(qi)(qi)和(he)干燥(zao)凈(jing)化器(qi)(qi)，去除(chu)水分(fen)(fen)(fen)(fen)、二氧(yang)化碳(tan)等雜(za)質，然后通(tong)(tong)過(guo)(guo)(guo)壓(ya)(ya)(ya)縮(suo)機(ji)(ji)壓(ya)(ya)(ya)縮(suo)。（2）在空(kong)(kong)(kong)分(fen)(fen)(fen)(fen)塔(ta)中(zhong)(zhong)(zhong)，通(tong)(tong)過(guo)(guo)(guo)冷卻、精餾(liu)等過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)將空(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)分(fen)(fen)(fen)(fen)離(li)(li)(li)，產生純凈(jing)的(de)(de)液氮(dan)(dan)(dan)。（3）液氮(dan)(dan)(dan)通(tong)(tong)過(guo)(guo)(guo)汽化器(qi)(qi)被加熱后，轉變為氣(qi)(qi)(qi)(qi)(qi)態氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)，供應給用(yong)戶(hu)使用(yong)。3、膜(mo)(mo)制(zhi)(zhi)氮(dan)(dan)(dan)機(ji)(ji)工(gong)(gong)藝(yi)流(liu)程(cheng)(cheng)(cheng)(cheng)：膜(mo)(mo)制(zhi)(zhi)氮(dan)(dan)(dan)機(ji)(ji)是利(li)(li)用(yong)高分(fen)(fen)(fen)(fen)子(zi)(zi)膜(mo)(mo)的(de)(de)選擇性(xing)滲透特征來(lai)實(shi)現(xian)氣(qi)(qi)(qi)(qi)(qi)體分(fen)(fen)(fen)(fen)離(li)(li)(li)的(de)(de)裝置，其(qi)工(gong)(gong)藝(yi)流(liu)程(cheng)(cheng)(cheng)(cheng)有兩個(ge)步驟：（1）膜(mo)(mo)分(fen)(fen)(fen)(fen)離(li)(li)(li)。氣(qi)(qi)(qi)(qi)(qi)體通(tong)(tong)過(guo)(guo)(guo)高分(fen)(fen)(fen)(fen)子(zi)(zi)膜(mo)(mo)，利(li)(li)用(yong)不同(tong)氣(qi)(qi)(qi)(qi)(qi)體在膜(mo)(mo)上的(de)(de)滲透速率不同(tong)，實(shi)現(xian)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)和(he)其(qi)他(ta)氣(qi)(qi)(qi)(qi)(qi)體的(de)(de)分(fen)(fen)(fen)(fen)離(li)(li)(li)。（2）氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)輸出。純凈(jing)的(de)(de)氮(dan)(dan)(dan)氣(qi)(qi)(qi)(qi)(qi)通(tong)(tong)過(guo)(guo)(guo)膜(mo)(mo)分(fen)(fen)(fen)(fen)離(li)(li)(li)后供應使用(yong)。

三、制氮機多少錢一臺

制氮(dan)機(ji)(ji)(ji)的(de)價格(ge)一(yi)般受(shou)到(dao)型(xing)號規格(ge)、處理能力(li)、生(sheng)產氮(dan)氣的(de)純(chun)度(du)、配(pei)置功能、生(sheng)產廠家(jia)等因素影響(xiang)，小(xiao)型(xing)制氮(dan)機(ji)(ji)(ji)價格(ge)在幾(ji)千元一(yi)臺到(dao)上萬(wan)(wan)(wan)元甚(shen)至(zhi)(zhi)幾(ji)萬(wan)(wan)(wan)元一(yi)臺左右，一(yi)些高(gao)端的(de)小(xiao)型(xing)氮(dan)氣機(ji)(ji)(ji)具有高(gao)精度(du)、高(gao)純(chun)度(du)、低噪音等特性，價格(ge)也會相應更(geng)高(gao)。中型(xing)制氮(dan)機(ji)(ji)(ji)（處理能力(li)在10-100 Nm3/h）的(de)價格(ge)大約(yue)為(wei)數(shu)萬(wan)(wan)(wan)至(zhi)(zhi)十(shi)多(duo)萬(wan)(wan)(wan)元；而大型(xing)制氮(dan)機(ji)(ji)(ji)（處理能力(li)超過(guo)100 Nm3/h）的(de)價格(ge)可能達到(dao)數(shu)十(shi)萬(wan)(wan)(wan)元甚(shen)至(zhi)(zhi)更(geng)高(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。