Inkqubo yokuvelisa izinto zekhabhoni yinkqubo yobunjineli elawulwa ngokuqinileyo, ukuveliswa kwe-electrode yegraphite, izixhobo zekhabhoni ezikhethekileyo, i-aluminium carbon, izinto ezintsha zekhabhoni eziphakamileyo azinakwahlulwa kusetyenziso lwezinto ezikrwada, izixhobo, itekhnoloji, ulawulo lwezinto ezine zemveliso kunye nobunini obunxulumeneyo. iteknoloji.
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 ezikrwada, 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 yomgangatho ophezulu ukucacisa iimbono ezithile zomntu, kubenzi benaliti ye-coke, abavelisi be-electrode, amaziko ophando lwenzululwazi ukuba axoxe.
Nangona ukuveliswa kwemveliso ye-naliti ye-coke e-China emva kwexesha lamashishini angaphandle, kuye kwaphuhliswa ngokukhawuleza kwiminyaka yamuva kwaye sele iqalile ukumila.Ngokumalunga nomthamo wemveliso iyonke, inokuhlangabezana nemfuno yenaliti ye-UHP kunye ne-HP yee-electrode zegraphite eziveliswe ngamashishini ekhabhoni yasekhaya.Nangona kunjalo, kusekho umsantsa othile kumgangatho wenaliti ye-coke xa kuthelekiswa namashishini angaphandle.Ukuguquguquka kokusebenza kwebhetshi kuchaphazela imfuno yecoke yenaliti ekumgangatho ophezulu ekuvelisweni kobungakanani obukhulu be-UHP kunye ne-HP graphite electrode, ngakumbi akukho mgangatho ophezulu wenaliti edibeneyo ye-coke enokudibana nokuveliswa kwe-electrode yegraphite.
Amashishini ekhabhoni angaphandle avelisa iinkcukacha ezinkulu ze-UHP, i-electrode ye-graphite 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 Inkcazo ye-600 mm yemveliso ye-graphite electrode.Okwangoku, inaliti coke e China ikakhulu amalahle uthotho inaliti coke.Ukuveliswa komgangatho ophezulu we-electrode ye-graphite ye-UHP yomgangatho ophezulu ngamashishini ekhabhoni ahlala exhomekeke kuthotho lwenaliti yepetroleum ephuma kumazwe angaphandle, ngakumbi ukuveliswa komgangatho ophakamileyo odityanisiweyo kunye ne-oyile yaseJapan yeSuishima yochungechunge lwenaliti ye-coke kunye ne-British HSP yeoli yochungechunge lwenaliti yecoke njengecoke yezinto ekrwada.
Okwangoku, i-coke yenaliti eveliswa ngamashishini ahlukeneyo idla ngokuthelekiswa nezalathisi zokusebenza kwezorhwebo ze-coke yenaliti yangaphandle ngezalathisi zokusebenza eziqhelekileyo, ezifana nomxholo womlotha, ubuninzi bokwenyani, umxholo wesulfure, umxholo we-nitrogen, ukusabalalisa ubungakanani besuntswana, i-coefficient yokwandisa i-thermal kunye nokunye. kwi.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.
Ukongeza kuthelekiso oluqhelekileyo lwentsebenzo, amashishini ekhabhoni kufuneka kwakhona anikele ingqalelo kuphawu lwecoke yenaliti, njengokwahlulwa kwe-thermal expansion coefficient (CTE), amandla amasuntswana, isidanga se-anisotropy, idatha yokwandiswa kwimeko engathintelwanga kunye nelizwe elithintelweyo, kwaye iqondo lobushushu phakathi kokwandiswa kunye nokuncipha.Ngenxa yokuba ezi iimpawu thermal inaliti coke kubaluleke kakhulu kulawulo lwenkqubo graphitization kwinkqubo yokuvelisa electrode graphite, Kakade ke, impembelelo iimpawu thermal 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;Izalathi 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 seCarbon saseShandong Bazan;Izalathi zentsebenzo ziboniswe kwiThebhile 2.
Njengoko kunokubonwa kuthelekiso lweTheyibhile 1 kunye neThebhile 2, ibakala le-lPC-U lenaliti yecoke yamanyathelo amalahle emichiza emitsha yemihla ngemihla ine-anisotropy enkulu yezakhiwo ezishushu, apho i-anisotropy ye-CTE inokufikelela kwi-3.61 ~ 4.55, kunye i-anisotropy ye-resistivity nayo inkulu, ifikelela kwi-2.06 ~ 2.25.Ngaphandle kokuqina okuguquguqukayo kwe-coke ye-petroleum yenaliti yasekhaya ingcono kunaleyo yekhemikhali entsha yemihla ngemihla ye-LPC-U yomgangatho welahle wokulinganisa inaliti ye-coke.Ixabiso le-anisotropy liphantsi kakhulu kunelo leMichiza emitsha ye-Daily LPC-U yokulinganisa amalahle inaliti coke.
Ultra high amandla igraphite electrode imveliso anisotropic uhlalutyo ukusebenza isidanga luqikelelo inaliti coke umgangatho wezinto ekrwada okanye hayi indlela uhlalutyo ebalulekileyo, ubungakanani iqondo anisotropy, Kakade ke, nabo banempembelelo ethile kwinkqubo yokuvelisa electrode, iqondo I-anisotropy yombane ngokugqithisileyo ukusebenza komothuko wobushushu kuneqondo le-anisotropy lomlinganiselo wamandla we-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% ye-coke yenaliti yasekhaya ekuveliseni i-electrode ye-UHP, ngelixa ukongeza umlinganiselo othile we-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 kudlula umgca kunye nokwandiswa kwe-volumetric 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 neqondo lokushisa kwamabakala amathathu e-petroleum inaliti coke eveliswe nguConocophilips e-UK.Ukwandiswa kwe-linear kwenzeka kuqala xa inaliti ye-oyile iqala ukutshisa, kodwa iqondo lobushushu ekuqaleni kokucutshungulwa komgca lihlala lisemva kowona bushushu uphezulu wokubala.Ukusuka kwi-1525 ℃ ukuya kwi-1725 ℃, ukwandiswa komda kuyaqala, kunye noluhlu lobushushu lokucutheka kwelayini yonke limxinwa, kuphela yi-200℃.Uluhlu lwamaqondo obushushu alo lonke umgca wokucutheka kwepetroleum coke elilityazisiweyo likhulu kakhulu kunolo lwecoke yenaliti, kunye necoke yenaliti yamalahle iphakathi kwezi zimbini, inkulu kancinane kunecoke yenaliti yeoli.Iziphumo zovavanyo lwe-Osaka Industrial Technology Test Institute eJapan zibonisa ukuba ukusebenza kakubi kwe-thermal ye-coke, ubukhulu beqondo lobushushu bomgca, ukuya kuma-500 ~ 600℃ umgca wokunciphisa ubushushu boluhlu, kunye nokuqala kobushushu bomgca wokunciphisa ubushushu buphantsi. , ngo-1150 ~ 1200℃ yaqala ukwenzeka ukucutheka komgca, okukwayimpawu zecoke zepetroleum ezilibazisekileyo.
Okukhona iipropathi ezingcono ze-thermal kunye ne-anisotropy enkulu yenaliti ye-coke, iyancipha uluhlu lwamaqondo obushushu bokucutheka komgca.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 yeempawu ezahlukeneyo zemathiriyeli ekrwada, khetha izixhobo ezihambelanayo ezifanelekileyo, indibaniselwano elungileyo yetekhnoloji, kwaye ulawulo lweshishini lunenzululwazi kwaye lunengqiqo, olu luhlu lwenkqubo yonke yenkqubo ilawulwa ngokuqinileyo kwaye izinzile, kunokuthiwa kunesiseko sokuvelisa okuphezulu- amandla aphezulu aphezulu, amandla aphezulu egraphite electrode.
Ixesha lokuposa: Dec-30-2021