Inkqubo yokuvelisa izinto zekhabhoni yinkqubo yobunjineli elawulwa ngokuqinileyo, ukuveliswa kwe-electrode yegraphite, izinto ezikhethekileyo zekhabhoni, i-aluminium carbon, izinto ezintsha zekhabhoni eziphezulu azinakwahlulwa ekusebenziseni izinto eziluhlaza, izixhobo, iteknoloji, ulawulo lwezinto ezine zemveliso kunye nobuchwepheshe obunxulumene nobunini.
Izinto eziluhlaza zizinto eziphambili ezibonisa iimpawu ezisisiseko zezinto zekhabhoni, kwaye ukusebenza kwezinto eziluhlaza kugqiba ukusebenza kwezinto ezenziwe ngekhabhoni. Ukuveliswa kwe-UHP kunye ne-HP graphite electrode, i-coke yenaliti ekumgangatho ophezulu yinto yokuqala yokukhetha, kodwa kunye ne-asphalt ye-binder ephezulu, i-asphalt ye-ejenti yokumitha. Kodwa kuphela umgangatho ophezulu wezinto eziluhlaza, ukungabikho kwezixhobo, iteknoloji, izinto zolawulo kunye nobuchwepheshe obunxulumene nobunini, nako ayikwazi ukuvelisa umgangatho ophezulu we-UHP, i-electrode ye-graphite ye-HP.
Eli nqaku ligxininise kwiimpawu ze-coke yenaliti esemgangathweni ukucacisa iimbono ezithile zomntu, kubenzi benaliti ye-coke, abavelisi be-electrode, amaziko ophando lwezenzululwazi ukuba axoxe.
Nangona imveliso yemveliso yenaliti ye-coke e-China isemva kwexesha lamashishini angaphandle, iphuhliswe ngokukhawuleza kwiminyaka yamuva kwaye iqalile ukumila. Ngokumalunga nomthamo opheleleyo wemveliso, inokuhlangabezana nemfuno yenaliti ye-UHP kunye ne-HP ye-graphite electrode eveliswa ngamashishini ekhabhoni yasekhaya. Nangona kunjalo, kusekho umsantsa othile kumgangatho wenaliti ye-coke xa kuthelekiswa namashishini angaphandle. Ukuguquguquka kokusebenza kwebhetshi kuchaphazela imfuno ye-coke yenaliti ekumgangatho ophezulu ekuvelisweni kobungakanani obukhulu be-UHP kunye ne-HP graphite electrode, ngakumbi akukho mgangatho ophezulu wenaliti edibeneyo ye-coke enokuthi ihlangabezane nokuveliswa kwe-electrode ye-graphite edibeneyo.
Amashishini ekhabhoni angaphandle avelisa imilinganiselo emikhulu ye-UHP, i-electrode yegraphite ye-HP idla ngokuba lukhetho lokuqala lomgangatho ophezulu we-petroleum yenaliti yecoke njengeyona nto iphambili yecoke yezinto ekrwada, amashishini ekhabhoni aseJapan nawo asebenzisa uthotho lwamalahle enaliti coke njengento ekrwada, kodwa kuphela kwezi zilandelayo φ 600 mm ukucaciswa kwemveliso yegraphite electrode. Okwangoku, inaliti coke e China ikakhulu amalahle uthotho inaliti coke. Ukuveliswa komgangatho ophezulu we-electrode ye-UHP yegraphite ngamashishini ekhabhoni ihlala ixhomekeke kuthotho lwenaliti yepetroleum ephuma kumazwe angaphandle, ngakumbi ukuveliswa komgangatho ophezulu odityanisiweyo kunye ne-oyile yaseJapan yeSuishima yochungechunge lwenaliti kunye neBritish HSP yochungechunge lweoli ye-oyile njengecoke ekrwada.
Okwangoku, i-coke yenaliti eveliswa ngamashishini ahlukeneyo idla ngokuthelekiswa nezalathisi zokusebenza kwezorhwebo ze-coke yenaliti yangaphandle ngezalathisi zokusebenza eziqhelekileyo, ezifana nomxholo womlotha, ubuninzi bokwenene, umxholo wesulfure, umxholo we-nitrogen, ukusabalalisa ubungakanani be-particle, i-coefficient yokwandisa i-thermal kunye nokunye. Nangona kunjalo, kusekho ukunqongophala kwamabanga ahlukeneyo okuhlelwa kwenaliti ye-coke xa kuthelekiswa namazwe angaphandle. Ke ngoko, ukuveliswa kwenaliti ye-colloquially kunye "nempahla edibeneyo", ayikwazi ukubonisa ibakala le-coke yenaliti ephezulu.
Ngaphandle kokuthelekisa ukusebenza okuqhelekileyo, amashishini ekhabhoni kufuneka ahlawule ingqalelo ekubonakalisweni kwe-coke yenaliti, njengokuhlelwa kwe-coefficient yokwandisa i-thermal (CTE), amandla e-particle, i-anisotropy degree, idatha yokwandiswa kwimeko engathintekiyo kunye ne-inhibited state, kunye nomgangatho weqondo lokushisa phakathi kokwandiswa kunye nokunciphisa. Ngenxa yokuba ezi iimpawu thermal inaliti coke kubaluleke kakhulu kulawulo lwenkqubo graphitization kwinkqubo yokuvelisa electrode graphite, Kakade ke, impembelelo iimpawu thermal of asphalt coke eyenziwe emva yokugcadiswa binder kunye nokumitha arhente asphalt ayiqukwanga.
1. Ukuthelekiswa kwe-anisotropy yenaliti ye-coke
(A) Isampuli: φ 500 mm UHP umzimba we-electrode yoMzi-mveliso wekhabhoni wasekhaya;
I-coke yenaliti yezinto ezikrwada: ibakala elitsha laseJapan leChemical LPC-U, umlinganiselo: 100% LPC-U ibakala; Uhlalutyo: SGL Griesheim plant; Iimpawu zokusebenza ziboniswe kwiThebhile 1.
(B) Isampuli: φ 450 mmHP umzimba we-electrode wefektri yekhabhoni yasekhaya; I-coke yenaliti ye-raw material: i-coke ye-oyile yefektri yasekhaya, umlinganiselo: 100%; Uhlalutyo: Isityalo saseShandong Bazan Carbon; Izalathi zentsebenzo ziboniswe kwiThebhile 2.
Njengoko kunokubonwa ekuthelekisweni kweThebhile 1 kunye neThebhile 2, i-lPC-U ibakala lenaliti ye-coke yamanyathelo amalahle emichiza emitsha yemihla ngemihla ine-anisotropy enkulu yezakhiwo ezishushu, apho i-anisotropy ye-CTE inokufikelela kwi-3.61 ~ 4.55, kwaye i-anisotropy yokumelana nayo inkulu, ifikelela kwi-2.~2. Ngaphandle kokuqina okuguquguqukayo kwe-coke ye-petroleum yenaliti yasekhaya ingcono kunaleyo yekhemikhali entsha yemihla ngemihla ye-LPC-U yomgangatho wamalahle we-coke yenaliti. Ixabiso le-anisotropy liphantsi kakhulu kunelo leMichiza emitsha ye-Daily LPC-U yokulinganisa amalahle inaliti coke.
Uhlalutyo lwentsebenzo yesidanga esiphezulu se-anisotropic luqikelelo lwenaliti ye-coke ekrwada esemgangathweni okanye hayi indlela ebalulekileyo yohlalutyo, ubungakanani beqondo le-anisotropy, ewe, nabo banempembelelo ethile kwinkqubo yokuvelisa i-electrode, iqondo le-anisotropy yombane ukusebenza komothuko ngokugqithisileyo kunesidanga se-anisotropy yamandla aphakathi kwe-electrode encinci ilungile.
Okwangoku, ukuveliswa kwe-coke inaliti yamalahle e-China inkulu kakhulu kune-petroleum inaliti coke. Ngenxa yexabiso eliphezulu lempahla ekrwada kunye nexabiso lamashishini ekhabhoni, kunzima ukusebenzisa i-100% yenaliti ye-coke yasekhaya ekuveliseni i-electrode ye-UHP, ngelixa udibanisa inxalenye ethile ye-coke ye-petroleum edibeneyo kunye ne-graphite powder ukuvelisa i-electrode. Ngoko ke, kunzima ukuvavanya i-anisotropy ye-coke yenaliti yasekhaya.
2. Iimpawu zomgca kunye ne-volumetric ye-coke yenaliti
Ukusebenza komgca kunye ne-volumetric yenguqu yenaliti ye-coke ibonakala ngokukodwa kwinkqubo yegraphite eveliswa yi-electrode. Ngokutshintsha kweqondo lokushisa, i-coke yenaliti iya kungena kwi-linear kunye ne-volumetric yokwandiswa kunye nokunciphisa ngexesha lenkqubo ye-graphite yokufudumala, echaphazela ngokuthe ngqo ukuguqulwa kwe-linear kunye ne-volumetric ye-electrode eyosiweyo ye-billet kwinkqubo yegraphite. Oku akufani nokusetyenziswa kweempawu ezahlukeneyo ze-coke eluhlaza, amabakala ahlukeneyo okutshintsha kwenaliti ye-coke. Ngaphaya koko, uluhlu lobushushu bomgama kunye notshintsho lwevolumu lwamabanga ahlukeneyo yenaliti yecoke kunye ne-calcined petroleum coke nayo yahlukile. Kuphela ngokulawula olu phawu lwecoke ekrwada singakwazi ukulawula ngcono kunye nokwandisa imveliso yokulandelelana kwemichiza yegraphite. Oku kubonakala ngokukodwa kwinkqubo ye-graphitization yochungechunge.
Itheyibhile ye-3 ibonisa ukuguqulwa komgca kunye nomthamo kunye nemigangatho yokushisa kwamabakala amathathu e-petroleum inaliti coke eveliswe nguConocophilips e-UK. Ukwandiswa komgca kwenzeka kuqala xa inaliti ye-oyile iqala ukutshisa, kodwa iqondo lobushushu ekuqaleni kokucutheka komgca lihlala lisemva kowona bushushu uphezulu wokubala. Ukusuka kwi-1525 ℃ ukuya kwi-1725 ℃, ukwandiswa komda kuyaqala, kwaye uluhlu lweqondo lobushushu lokucutha komgca limxinwa, kuphela yi-200℃. Uluhlu lwamaqondo obushushu alo lonke umgca wokucutheka kwepetroleum coke elilityazisiweyo likhulu kakhulu kunolo lwecoke yenaliti, kwaye icoke yenaliti yamalahle iphakathi kwezi zimbini, inkulu kancinane kunecoke yenaliti yeoli. Iziphumo zovavanyo lwe-Osaka Industrial Technology Test Institute eJapan zibonisa ukuba ukusebenza kakubi kwe-coke kumbi kakhulu, okukhona kuluhlu lobushushu bomgca wokucutheka, ukuya kuthi ga kwi-500 ~ 600 ℃ yoluhlu lobushushu lokunciphisa umgca, kunye nokuqala kobushushu bomgca wokushwabana kuphantsi, kwi-1150 ~ 1200 ℃ yaqala ukwenzeka umgca wokucutheka kweempawu, oku kubambezeleka komgca.
Okukhona iipropathi ezingcono ze-thermal kunye ne-anisotropy enkulu yenaliti ye-coke, iyancipha uluhlu lwamaqondo obushushu obunqamlekileyo bomgca. Enye inaliti ye-oyile ekumgangatho ophezulu i-100 ~ 150 ℃ kuphela iqondo lobushushu bomgama elilinganayo. Kuyinzuzo kakhulu kumashishini ekhabhoni ukukhokela ukuveliswa kwenkqubo ye-graphitization emva kokuqonda iimpawu zokwandiswa komgca, ukunyanzeliswa kunye nokwandiswa kwakhona kwezinto ezahlukeneyo ze-coke, ezinokuphepha ezinye iimveliso zenkunkuma ezingeyomfuneko ezibangelwa ukusebenzisa imowudi yamava emveli.
3 isiphelo
Inkosi iimpawu ezahlukeneyo zemathiriyeli ekrwada, khetha izixhobo ezifanelekileyo ezihambelanayo, indibaniselwano elungileyo yetekhnoloji, kunye nolawulo lweshishini lunenzululwazi ngakumbi kwaye lunengqiqo, olu luhlu lwenkqubo yonke yenkqubo elawulwa ngokuqinileyo kwaye luzinzile, lunokuthiwa lunesiseko sokuvelisa amandla aphezulu aphezulu, amandla aphezulu egraphite electrode.
Ixesha lokuposa: Dec-30-2021