Udidi lweMveliso
Ukhuseleko lweDewar kunye nokusebenza
Umhla: Meyi 08, 2020
I-Dewars ineevalvu ezi-4 ngokubanzi, ezizezi, ivalve yokusebenzisa ulwelo, ivalve yokusetyenziswa kwegesi, ivalve yokuphuma, kunye nevalve yokunyusa. Kukwakho neegeyiji zoxinzelelo lwesigaba segesi kunye neegeyiji zenqanaba. Iidewars azixhotyiswanga kuphela ngeevalvu zokhuseleko, kodwa kunye neediski eziqhumayo. Emva kokuba uxinzelelo lwegesi ebhotileni lugqithise ukunyanzeliswa kwe-valve yokhuseleko, ivalve yokhuseleko iya kukhupha ngokukhawuleza kwaye ikhuphe ngokuzenzekelayo uxinzelelo.
Ukuba ivalve yokhuseleko iyasilela okanye i-Dewar ibangela umonakalo ngengozi kwi-vacuum layer, uxinzelelo kwi-cylinder yegesi inyuka ngokukhawuleza ukuya kwinqanaba elithile, kwaye i-disc eqhumayo enikezelweyoisitya soxinzeleloizakugqabhuka ngokuzenzekelayo, ngaloo ndlela inciphisa ngokukhawuleza uxinzelelo kwiDewar Yehla ngokukhawuleza kuxinzelelo lomoya. I-Dewar igcina ioksijini yolwelo lwezonyango, eyandisa kakhulu amandla okugcina ioksijini. Umthamo wokugcina i-oksijini ye-dewar ene-175 L ilingana nomthamo wokugcina i-28 i-cylinders yegesi ephezulu yoxinzelelo kunye nomthamo we-40 L, okunciphisa kakhulu uxinzelelo lokuthutha kunye nokunciphisa utyalo-mali olukhulu.
Kukho iindlela ezi-2 zokusebenzisa iDewar:
(1) Ivalve yokusetyenziswa kwerhasi yeDewar, qhagamshela enye isiphelo sombhobho wentsimbi ephezulu kwivalve yokusetyenziswa kwegesi yeDewar kunye nesinye isiphelo kwi-busbar, vula kuqala ivalve, emva koko uvule ngokucothayo ivalve yokusetyenziswa kwegesi, ungasebenzisa, enkulu Uninzi lwezibhedlele zinokuhlangabezana neemfuno zegesi zisebenzisa ivalve yesigaba segesi kuphela.
(2) Ivalve yokusetyenziswa kolwelo lweDewar, qhagamshela umbhobho apho ivalve yolwelo yeDewar ibekwe kwicarburetor enehose yentsimbi yoxinzelelo oluphezulu, ubungakanani begesi bucwangciswe ngokobungakanani begesi esetyenzisiweyo, kwaye umbhobho wentsimbi ongenamthungo usetyenziselwa ukuthutha igesi. I-valve yoxinzelelo, i-valve yokukhusela, i-gauge ye-pressure gauge yokulawula ukhuseleko lwenkqubo yokubonelela ngegesi, ukwenzela ukuba kungekhona nje ukusebenzisa igesi ngokufanelekileyo kunye nokuzinza, kodwa nokuqinisekisa ukusetyenziswa okukhuselekileyo. Xa usebenzisa iDewar, nceda uqinisekise uqhagamshelo phambi kokuvula ivalve yokusetyenziswa kolwelo. Ukuba uxinzelelo lwegesi aluhambelani neemfuno zokusetyenziswa, unokuvula i-valve ye-booster. Uxinzelelo luya kuphakama kwaye luhlangabezane neemfuno zokusetyenziswa kwimizuzu embalwa.
Ukuba ivalve yokhuseleko iyasilela okanye i-Dewar ibangela umonakalo ngengozi kwi-vacuum layer, uxinzelelo kwi-cylinder yegesi inyuka ngokukhawuleza ukuya kwinqanaba elithile, kwaye i-disc eqhumayo enikezelweyoisitya soxinzeleloizakugqabhuka ngokuzenzekelayo, ngaloo ndlela inciphisa ngokukhawuleza uxinzelelo kwiDewar Yehla ngokukhawuleza kuxinzelelo lomoya. I-Dewar igcina ioksijini yolwelo lwezonyango, eyandisa kakhulu amandla okugcina ioksijini. Umthamo wokugcina i-oksijini ye-dewar ene-175 L ilingana nomthamo wokugcina i-28 i-cylinders yegesi ephezulu yoxinzelelo kunye nomthamo we-40 L, okunciphisa kakhulu uxinzelelo lokuthutha kunye nokunciphisa utyalo-mali olukhulu.
(1) Ivalve yokusetyenziswa kwerhasi yeDewar, qhagamshela enye isiphelo sombhobho wentsimbi ephezulu kwivalve yokusetyenziswa kwegesi yeDewar kunye nesinye isiphelo kwi-busbar, vula kuqala ivalve, emva koko uvule ngokucothayo ivalve yokusetyenziswa kwegesi, ungasebenzisa, enkulu Uninzi lwezibhedlele zinokuhlangabezana neemfuno zegesi zisebenzisa ivalve yesigaba segesi kuphela.
(2) Ivalve yokusetyenziswa kolwelo lweDewar, qhagamshela umbhobho apho ivalve yolwelo yeDewar ibekwe kwicarburetor enehose yentsimbi yoxinzelelo oluphezulu, ubungakanani begesi bucwangciswe ngokobungakanani begesi esetyenzisiweyo, kwaye umbhobho wentsimbi ongenamthungo usetyenziselwa ukuthutha igesi. I-valve yoxinzelelo, i-valve yokukhusela, i-gauge ye-pressure gauge yokulawula ukhuseleko lwenkqubo yokubonelela ngegesi, ukwenzela ukuba kungekhona nje ukusebenzisa igesi ngokufanelekileyo kunye nokuzinza, kodwa nokuqinisekisa ukusetyenziswa okukhuselekileyo. Xa usebenzisa iDewar, nceda uqinisekise uqhagamshelo phambi kokuvula ivalve yokusetyenziswa kolwelo. Ukuba uxinzelelo lwegesi aluhambelani neemfuno zokusetyenziswa, unokuvula i-valve ye-booster. Uxinzelelo luya kuphakama kwaye luhlangabezane neemfuno zokusetyenziswa kwimizuzu embalwa.
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