Chowumitsira ufa ndi njira yowumitsa yopopera yotsekeka ya zinthu zopangidwa ndi ethanol, acetone, hexane, mafuta agasi ndi zosungunulira zina za organic, pogwiritsa ntchito mpweya wa inert (kapena nayitrogeni) ngati chowumitsira.Chogulitsa chonsecho chimakhala chopanda makutidwe ndi okosijeni, sing'anga imatha kubwezeredwa, ndipo mpweya wa inert (kapena nayitrogeni) ukhoza kubwezeretsedwanso.Dongosolo lotsekeka lopangidwira kuti libwezeretse zosungunulira za organic lili ndi zofunika kwambiri pakuwongolera kuphulika kwa dongosolo, magwiridwe antchito apamwamba kwambiri, komanso zofunikira za GP.Amagwiritsidwa ntchito poyanika kutsitsi kwa zitsulo zadothi mwatsatanetsatane, mankhwala, zida za batri, ndi ufa wopangidwa ndi simenti wa carbide.
Chowumitsira ufa chowumitsiranso chimatchedwanso kuti njira yowumitsa yopopera yotseka.Makhalidwe ake ndikuti dongosololi limapanga kuzungulira kuzungulira kuzungulira, ndipo chonyamulira cha kutentha chikhoza kubwezeretsedwanso.Pakuti kuyanika kwa volatiles kuti ndi organic mankhwala solvents, kapena zinthu zimene zingachititse kuvulaza anthu ndi chilengedwe pambuyo kuthawa, zosungunulira organic kapena zinthu zili mu zinthu madzi ndi mosavuta oxidized, kuyaka, ndi zinthu zophulika.Nthawi zonse, m'pofunika kugwiritsa ntchito Zida zomwe zili mu ndondomekoyi sizingagwirizane ndi mpweya, choncho ambiri onyamula kutentha amagwiritsa ntchito mpweya wa inert (monga nayitrogeni, carbon dioxide, etc.).Mpweya wotulutsa mpweya womwe umatulutsidwa kuchokera ku chowumitsira, pambuyo pa kupatukana kolimba kwa gasi, umadutsanso mu condenser kuti ubwezeretse zosungunulira kapena kuchotsa chinyezi, ndiyeno umalowa mu chowumitsira kuti ubwezeretsedwe pambuyo potenthedwa ndi chowotcha.Zowumitsira zamtunduwu zimafunikira kuwonjezera zida za firiji m'dongosolo, mtengo wogwirira ntchito ndi wokwera, komanso kulimba kwa mpweya kwa zida kumafunika kukhala kwakukulu.Chowumitsira ufa chimakhala choponderezedwa bwino kapena kupanikizika pang'ono kuti mpweya usalowe mu dongosolo.

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Chowumitsira ufa chimagwira ntchito pamalo otsekedwa, ndipo chowumitsira ndi gasi wa inert (kapena nayitrogeni).Ndikoyenera kuyanika zinthu zina ndi zosungunulira za organic kapena zinthu zomwe zimakhala ndi hydrogenation panthawi yowumitsa;dongosololi limagwiritsa ntchito mpweya wa inert monga mpweya wozungulira umakhala ndi chitetezo pazinthu zouma.Mpweya wozungulira umakhala ndi njira yonyamula chinyezi ndi dehumidification, ndipo sing'anga imatha kugwiritsidwanso ntchito;nayitrogeni amatenthedwa ndi chotenthetsera ndiyeno kulowa munsanja yowumitsira.Zinthu za ufa zomwe ziyenera kutembenuzidwa ndi atomizer yothamanga kwambiri imatulutsidwa pansi pa nsanja, ndipo mpweya wosungunulira wa organic umakhala pansi pa kupanikizika koipa kwa fani, ndipo fumbi lopangidwa ndi gasi limadutsa. cholekanitsa chimphepo ndi nsanja yopopera.The organic zosungunulira mpweya ndi condensed mu madzi ndi kutulutsidwa mu condenser, ndi sanali condensable mpweya sing'anga mosalekeza kutenthedwa ndi zobwezerezedwanso mu dongosolo ngati kuyanika chonyamulira.
The ochiritsira wamba ufa kutsitsi kuyanika makina amakwaniritsa cholinga cha dehumidification kudzera mosalekeza mpweya ndi utsi, amenenso ndi kusiyana koonekeratu pakati ufa kutsitsi choumitsira ndi wamba centrifugal kutsitsi kuyanika zipangizo: mkati mwa kuyanika dongosolo ndi ntchito zabwino kuthamanga kuti. onetsetsani Ndi mtengo wina wabwino, ngati kupanikizika kwamkati kutsika, chopatsira chopondera chidzangoyang'anira kuyenda kuti zitsimikizire kuti dongosololi likuyenda bwino.