Yintoni Isixhobo Somiso?

Isomisi esikhenkcezileyo sisusa amanzi kwizinto ezinokonakala ukuze zigcinwe, zandise ubomi bawo beshelufu kunye/okanye zenze kube lula ukuthuthwa.Ifriji zomisa zisebenza ngokukhenkceza izinto, emva koko ukunciphisa uxinzelelo kunye nokongeza ubushushu ukuvumela amanzi afriziwe kwizinto eziphathekayo ukuba atshintshe ngokuthe ngqo kumphunga (i-sublimate).

Isomisi esikhenkcezayo sisebenza kwizigaba ezithathu:
1. Umkhenkce
2. Ukomisa kwiprayimari (i-Sublimation)
3. Ukomisa okwesibini (Adsorption)

Ukomisa ngokufanelekileyo komkhenkce kunokunciphisa amaxesha okumisa ngama-30%.

Isigaba 1: Isigaba sokuKhenkca

Esi sesona sigaba sibaluleke kakhulu.Izixhobo zokomisa umkhenkce zisebenzisa iindlela ezahlukeneyo zokukhenkcisa imveliso.

• Ukukhenkceza kunokwenziwa kwisikhenkcisi, kwibhafu ebandayo (iqokobhe lesikhenkcisi), okanye kwishelufa kwisikhenkcisi esomisile.

· Isixhobo esomisa umkhenkce sipholisa imathiriyeli ngaphantsi kwencopho yayo emithathu ukuqinisekisa ukuba i-sublimation, endaweni yokunyibilika, iya kwenzeka.Oku kugcina ubume bezinto eziphathekayo.

· Isixhobo sokomisa umkhenkce esona sikhenkceke ngokulula somisa iikristale ezinkulu zomkhenkce, ezinokuveliswa ngokukhenkceza kancinci okanye ngokufunxa.Nangona kunjalo, ngezinto zebhayoloji, xa iikristale zinkulu kakhulu zinokwaphula iindonga zeseli, kwaye oko kukhokelela kwiziphumo zokumisa komkhenkce ezingaphantsi kunezifanelekileyo.Ukuthintela oku, ukukhenkceza kwenziwa ngokukhawuleza.

· Kwimathiriyeli ethanda ukudlula, i-annealing ingasetyenziswa.Le nkqubo ibandakanya ukukhenkceza ngokukhawuleza, emva koko ukuphakamisa ubushushu bemveliso ukuvumela ukuba iikristale zikhule.

Inqanaba lesi-2: Ukomisa okuPrayimari (Ukuthotywa)
· Isigaba sesibini sisomiso sokuqala (i-sublimation), apho uxinzelelo luyancipha kwaye ubushushu bongezwa kwizinto eziphathekayo ukwenzela ukuba amanzi angaphantsi.

· Isingxobo esifunxayo somkhenkcezisi sikhawulezisa ukuthotywa kwamanzi.Icondenser ebandayo yesomisi esikhenkcezayo ibonelela ngomphezulu ukuze umphunga wamanzi uncamathele kwaye uqine.I-condenser ikwakhusela impompo yokufunxa kumphunga wamanzi.

· Malunga ne-95% yamanzi kwizinto eziphathekayo asusiwe kwesi sigaba.

• Ukomisa okokuqala kunokuba yinkqubo ecothayo.Ukushisa okukhulu kunokuguqula isakhiwo sezinto eziphathekayo.

Inqanaba lesi-3: Ukomisa okwesibini (Adsorption)
· Esi sigaba sokugqibela kukomisa okwesibini (adsorption), ngexesha apho iimolekyuli zamanzi ezibotshwe nge-ionically ziyasuswa.
· Ngokuphakamisa ubushushu obuphezulu kunenqanaba lokumisa eliphambili, iibhondi ziyaphulwa phakathi kwezinto eziphathekayo kunye neamolekyu zamanzi.

• Iimathiriyeli ezomisiweyo ezikhenkcezisiweyo zigcina ulwakhiwo olunemingxuma.

· Emva kokuba isixhobo sokomisa umkhenkce sigqibe inkqubo yaso, ivacuum inokophulwa ngerhasi engasebenziyo phambi kokuba loo nto ivalwe.

· Uninzi lwemathiriyeli inokomiswa ukuya kwi-1-5% yokufuma okushiyekileyo.

Iingxaki zesomisi esikhenkcezayo ukuze uziphephe:
• Ukufudumeza imveliso kwiqondo lobushushu eliphezulu kakhulu kunokubangela ukunyibilika okanye ukuwa kwemveliso

· Umthwalo omninzi wecondenser obangelwa ngumphunga omninzi obetha icondenser.
o Ukudalwa komphunga omninzi kakhulu

o Umhlaba omninzi kakhulu

o Incinci kakhulu indawo yecondenser

o Ukungonelanga kwefriji

· Ukuminxeka komphunga – umphunga uveliswa ngesantya esikhawulezayo kunokuba ungangena kwizibuko lomphunga, izibuko phakathi kwegumbi lemveliso kunye necondenser, kudala ukwanda koxinzelelo lwegumbi.

Iphawulwe Nge: Ivacuum yokumisa umkhenkce, ukomisa umkhenkce, i-lyophilizer, isikhenkcezisi sekhemesti, Ugcino olubandayo, Isikhenkcezisi soNyango, isikhenkcezisi soNyango, isikhenkcezisi sezonyango, isikhenkcezisi samayeza, iCycle Defrost, imijikelo yesikhenkce, Isikhenkcezisi, IsiGcitho seNqele kwiLabhoratri, Isikhenkcezisi seLabhoratri. Isibandisi, i-Manual Defrost, iifriji