Imibuzo Evame Ukubuzwa

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Ngicela ungitshele ukuthi kungani i-zirconia probe yonakaliswa kalula uma isethi yejeneretha ivaliwe futhi iqalwa kabusha? Ngiyazibuza ukuthi ngabe ama-Nernst zirconia probes nawo anezinkinga ezinjalo?

Isizathu esiqondile sokuthi kungani i-zirconia ilula ukulimaza lapho isithando somlilo sivaliwe futhi siqalwa kabusha ukuthi umhwamuko wamanzi ku-flue gas uhlala ku-probe ye-zirconia ngemva kokufihlwa ngemva kokuba isithando somlilo sivaliwe. Kulula ukulimaza ikhanda le-ceramic zirconia. Abantu abaningi bayazi ukuthi i-zirconia probe ayikwazi ukuthinta amanzi lapho ishisa. Isakhiwo se-Nernst zirconia probe sihlukile ku-probe ye-zirconia evamile, ngakho lolu hlobo lwesimo ngeke lwenzeke.

Ngokuvamile, impilo yesevisi ye-zirconia probes imfushane, futhi ezingcono ngokuvamile cishe unyaka owodwa. I-Nernst probe ingasetshenziswa isikhathi esingakanani?

I-Nernst's zirconia probes isetshenziswe ezitshalweni zikagesi eziningi kanye nenqwaba yezitshalo zensimbi nezitshalo ze-petrochemical e-China, nge-avareji yempilo yesevisi yeminyaka emi-4-5. Kwezinye izitshalo zamandla, ama-zirconia probe alahlwa futhi ashintshwa ngemva kokusetshenziswa iminyaka eyi-10. Yiqiniso, kunokuthile okuphathelene nezimo zezitshalo zamandla kanye nekhwalithi yempushana yamalahle nokusetshenziswa okunengqondo.

Ngenxa yothuli olukhulu ku-flue gas, i-zirconia probe ivame ukuvinjelwa, futhi kuvame ukutholakala ukuthi ukuvunguza ngomoya ocindezelwe ku-inthanethi kuzolimaza ikhanda le-zirconia. Ngaphezu kwalokho, abakhiqizi abaningi be-zirconia probes nabo banemithethonqubo yezinga lokugeleza kwegesi yegesi yokulinganisa esizeni.Uma izinga lokugeleza kwegesi likhulu, ikhanda le-zirconium lizolimala. Ingabe i-zirconia probe kaNernst nayo inezinkinga ezinjalo?

Lapho ulinganisa igesi, qaphela ukugeleza kwegesi yokulinganisa, ngoba ukugeleza kwegesi yokulinganisa kuzobangela ukushisa kwendawo ye-zirconium kwehla futhi kubangele amaphutha okulinganisa.Ngenxa yokuthi igesi yokulinganisa ingase ingalawulwa kahle, ukugeleza umoya-mpilo ojwayelekile ebhodleleni lokucindezela ungase ube mkhulu kakhulu. Ngaphezu kwalokho, isimo esifanayo singenzeka lapho umoya ocindezelwe usetshenziselwa ukuhlanza ku-inthanethi, ikakhulukazi lapho umoya ocindezelwe uqukethe amanzi. Izinga lokushisa lamakhanda e-zirconia ahlukene ngesikhathi se-inthanethi limayelana nama-600-750 degrees. Amakhanda e-ceramic zirconia kulokhu kushisa abuthakathaka kakhulu futhi awonakaliswa kalula. Uma izinga lokushisa lendawo lishintsha noma umswakama uhlangabezana, amakhanda e-zirconia azokhiqizwa ngokushesha Ama-Cracks, lokhu kuyimbangela eqondile yokulimala kwekhanda le-zirconia.Nokho, ukwakheka kwe-zirconia probe ye-Nernst kuhluke kune-probes evamile ye-zirconia. Ingahlanzwa ngokuqondile ngomoya ocindezelwe ku-inthanethi futhi inenani elikhulu lokugeleza kwegesi lokulinganiswa ngaphandle kokulimaza ikhanda le-zirconium.

Ngenxa yokuthi umhwamuko osemthonjeni wesikhungo sikagesi mkhulu kakhulu, cishe u-30%, i-zirconia probe efakwe eduze kwe-economizer ivamise ukuphuka, ikakhulukazi uma ipayipi lamanzi eliseduze ne-economizer liqhuma. Siyini isizathu sokulimala kwe-zirconia probe?

Ngoba noma iyiphi impahla ye-ceramic ibuthakathaka kakhulu ekushiseni okuphezulu, lapho ikhanda le-zirconium lithinta amanzi ekushiseni okuphezulu, i-zirconia izobhujiswa. Lokhu ngokungangabazeki kuwumqondo ojwayelekile.Cabanga ukuthi kwenzekani uma ufaka inkomishi ye-ceramic enezinga lokushisa elingu-700 degrees emanzini?Kodwa i-zirconia probe kaNernst ingenza ngempela umzamo onjalo. Yiqiniso, asikhuthazi amakhasimende ukwenza izivivinyo ezinjalo. Lokhu kukhombisa ukuthi i-zirconia probe ye-Nernst imelana kakhulu namanzi emazingeni okushisa aphezulu. Lesi futhi isizathu esiqondile sempilo ende yesevisi ye-Nernst's zirconia probes.

Lapho i-boiler yesitshalo samandla isebenza, kufanele uqaphele kakhulu lapho ushintsha i-zirconia probe, futhi kancane kancane ubeke i-probe endaweni yokufaka i-flue.Ngezinye izikhathi ochwepheshe bokulungisa bazolimaza i-probe uma bengaqapheli. Yini okufanele ngiyinake lapho ngishintsha i-Nernst zirconia probe?

Ngenxa yokuthi ikhanda le-zirconia liyi-ceramic, zonke izinto zokwakha ze-ceramic kufanele zilawule inqubo yokushintsha izinga lokushisa ngokuvumelana nokushaqeka okushisayo kwempahla (i-coefficient yokwandisa impahla lapho izinga lokushisa lishintsha)Lapho izinga lokushisa lishintsha ngokushesha kakhulu, inhloko ye-zirconia ye-ceramic. impahla izolimala.Ngakho-ke, i-probe kufanele ifakwe kancane kancane endaweni yokufaka i-flue lapho ishintsha ku-inthanethi.Nokho, i-Nernst zirconia probe inokumelana nokushaqeka okushisayo okuphezulu. Uma izinga lokushisa lomkhuhlane lingaphansi kuka-600C, lingangena liphume liqonde ngaphandle komthelela ku-zirconia probe.Lokhu kusiza kakhulu ukushintshwa kwabasebenzisi ku-inthanethi. Lokhu kufakazela ukwethembeka kwe-Nernst zirconia probe.

Esikhathini esidlule, lapho sisebenzisa imikhiqizo yezinye izinkampani, i-zirconia probe yayisetshenziswa endaweni enzima futhi ikhwalithi yamanje yamalahle yayimpofu kakhulu. Lapho ukugeleza kwegesi ye-flue kukhulu, i-zirconia probe yayivame ukuguga ngokushesha, futhi i-zirconia probe yonakaliswa lapho ingaphezulu ligugile.Kodwa kungani i-Nernst zirconia probe isasebenza ngokujwayelekile ngemva kokugqoka? Ngaphezu kwalokho, ingabe i-Nernst zirconia probe ingahlonyiswa ngomkhono ovikelayo ukuze ibambezele isikhathi sokugqoka?

Ngenxa yokuthi ukwakheka kwe-Nernst zirconia probe yehlukile kuma-zirconia probes ajwayelekile, isengasebenza ngokujwayelekile lapho izinhlangothi zombili ze-probe sezigugile. Kodwa-ke, uma i-probe itholakala ukuthi igugile, umkhono ovikelayo nawo ungafakwa kalula, ukuze impilo yesevisi ye-probe ibe yinde. iminyaka engu-5-6 ngaphandle kokwengeza umkhono ovikelayo. Kodwa-ke, uma ikhwalithi yamalahle kwezinye izimboni zamandla ingeyinhle noma ukugeleza kwegesi ye-flue kukukhulu uma kuqhathaniswa, i-Nernst zirconia probe ingafakwa kalula ngomkhono ovikelayo ukuze kubambezeleke isikhathi sokuguga. Ngokuvamile, isikhathi sokugqoka sokulibaziseka singanwetshwa cishe izikhathi ezi-3 ngemva kokwengeza umkhono ovikelayo.

Ngokuvamile, i-zirconia probe ifakwe phambi kwe-economizer yegesi. Kungani kulula ukubangela izinkinga lapho i-zirconia probe ifakwe endaweni lapho izinga lokushisa le-flue liphakeme kakhulu?

Ngenxa yenani elikhulu lokuvuza komoya kusilondolozi segesi, uma i-zirconia probe ifakiwe ngemva kwesilondolozi segesi, ukuvuza komoya kwesilondolozi segesi kuzodala amaphutha ekunembeni kwesilinganiso se-oxygen emthonjeni.Eqinisweni, abaklami bamandla bonke bafuna ukufaka i-zirconia probe eduze nangaphambili kwe-flue ngangokunokwenzeka.Ngokwesibonelo, ngemva komkhumbi we-flue, ukusondelana kwe-flue yangaphambili, ithonya elincane lokuvuza komoya, kanye nokukhuphuka kokunemba kwe-oxygen. ukulinganisa. Kodwa-ke, ama-probes e-zirconia ajwayelekile awakwazi ukumelana nokushisa okuphezulu kwe-500-600C, ngoba lapho izinga lokushisa liphezulu, ingxenye yokuvala yekhanda le-zirconium kulula ukuvuza (isizathu somehluko omkhulu phakathi kwe-coefficient yokwandisa okushisayo kwensimbi ne-ceramic) , futhi lapho izinga lokushisa elizungezile liphakeme kune-600C , Kuzokhiqiza amaphutha ngesikhathi sokulinganisa, futhi ikhanda le-zirconia libuye libe lula kakhulu ukulinyazwa ngenxa yokushaqeka okushisayo okushisayo.Ngokuvamile, abakhiqizi be-zirconia probes nge-heaters badinga abasebenzisi ukuthi bafake i-zirconia iphenya lapho izinga lokushisa lomkhuhlane lingaphansi kuka-600C. Kodwa-ke, i-Nernst zirconia probe ene-heater ingakwazi ukumelana nokushisa okuphezulu kwe-900C, okungathuthukisi nje ukunemba kokulinganisa kokuqukethwe kwe-oxygen, kodwa futhi yandisa kakhulu impilo yesevisi ye-zirconia probe.

Kungani ama-zirconia probe asetshenziswa ezimbonini zamandla zokushiswa kwemfucuza esengozini yokulimala, ikakhulukazi ishubhu lensimbi langaphandle le-probe libola kabi kangaka?

Udoti wasemadolobheni uyindlela yokwelapha yesayensi neyonga kakhulu ngokushisa ukuze kuphehlwe ugesi. Kodwa-ke, ngenxa yokuthi ukwakheka kwemfucumfucu kuyinkimbinkimbi kakhulu, ukuze kuqinisekiswe ukuvutha kwayo okugcwele futhi kuncishiswe ukungcoliswa kwemvelo ngesikhathi sokukhishwa kwegesi ye-flue, okuqukethwe kwe-oxygen enqubweni yokuvutha kuphakeme kunaleyo yamalahle ajwayelekile noma ama-boilers fueled fuel, okwenza izingxenye ezihlukahlukene ze-acidic ekukhuphukeni kwegesi ye-flue.Ngaphezu kwalokho, kunezinto eziningi ezinobumuncu namanzi kudoti, ukuze kukhishwe i-hydrofluoric acid eyingozi kakhulu ngemva kokushiswa kukadoti. Ngalesi sikhathi, uma i-zirconia probe ifakwe endaweni lapho izinga lokushisa le-flue liphansi kakhulu (300-400C), ishubhu yangaphandle yensimbi engagqwali izobola ngesikhathi esifushane. Ukwengeza, umswakama we-flue gas ungahlala kalula ekhanda le-zirconia futhi ulimaze ikhanda le-zirconia.

Ngenxa yokushisa okuphezulu kwesithando somlilo esithandweni somlilo sensimbi kanye nokunemba okuphezulu okudingekayo ekulinganiseni umoya-mpilo omncane, inkampani yethu izamile imikhiqizo eminingana yezinkampani zasekhaya nezangaphandle kodwa yehluleka ukuhlangabezana nezidingo zokulinganisa. Ngiyazibuza ukuthi ingabe i-zirconia probe kaNernst ingasetshenziselwa ukukala umoya-mpilo esithandweni somlilo sensimbi?

I-Nernst's zirconia probe ingasetshenziselwa ukukala umoya-mpilo ngezikhathi ezihlukahlukene. I-in-line probe ye-zirconia ingasetshenziselwa izinga lokushisa eliphezulu le-1400C, futhi okuqukethwe kwe-oksijini okuphansi kakhulu okungalinganiswa amandla angu-10 ngaphandle kwe-30 (0.0000000000000000000000000000000000000000000000000000000000000000000000000001%) .Ifanele ngokuphelele i-powder metal sintering.