Njengezinto ezibalulekileyo kwishishini leekhemikhali lanamhlanje, inkqubo yokubala i-petroleum coke ngobushushu obuphezulu inempembelelo ebalulekileyo kumgangatho kunye nemveliso ye-petroleum coke. Kweli phepha, iteknoloji yokubala i-petroleum coke ngobushushu obuphezulu ixutyushwa kunye nokubaluleka kwayo kwimveliso. Ukuze kubhekiswe kumashishini.
Ukubaluleka kokuveliswa kwe-petroleum coke yi-calcination yobushushu obuphezulu
Ukwenziwa kwe-calcination ye-petroleum coke yenye yeenkqubo eziphambili ekuvelisweni kwe-aluminium anode. Injongo yayo kukususa ii-volatiles kwizixhobo ezikrwada nokuphucula uxinano, amandla oomatshini, ukuqhuba kombane kunye nokuzinza kweekhemikhali kwizixhobo ezikrwada. Ngexesha lenkqubo yokwenziwa kwe-calcination, ukwakheka kwezinto ezisisiseko kunye nolwakhiwo lombutho we-petroleum coke kutshintshile, kwaye iipropati zomzimba nezekhemikhali zezixhobo ezikrwada ziphuculwe kakhulu emva kokwenziwa kwe-calcination.
Le propati yemveliso ikhethekileyo inokuhlangabezana neemfuno ezingakumbi kushishino lweekhemikhali, ukuze amanye amashishini emizi-mveliso aphinde ayisebenzise. Kwinkqubo ye-calcination, ukuchaneka kwenqanaba le-calcination kunye nokufaneleka kwenkqubo ye-calcination kuya kuchaphazela imveliso kunye nokuchaneka kwe-petroleum coke. Ke ngoko, kubaluleke kakhulu ukufunda itekhnoloji ye-calcination yobushushu obuphezulu kwi-petroleum coke.
Uhlalutyo lobuchwephesha lwe-coke ye-petroleum e-calcined kubushushu obuphezulu
Xa zidityaniswe norhwebo lweekhemikhali zelizwe lethu ukuya kwi-calcine, zifikelela kwiimfuno ezahlukeneyo zomgangatho, ukhuseleko, izinga lemveliso kunye nezinye iimveliso ze-petroleum coke, iindlela ze-calcine ezisetyenziswa kakhulu kwilizwe lethu zezi: i-rotary oven, i-coke oven, i-tank furnace, njl. Umgaqo, iimpawu, ukusebenza kunye neempawu zoqoqosho zetekhnoloji ezahlukeneyo ze-calcination ziyathelekiswa ukuze kubonelelwe ngemveliso yeshishini.
(1) Itekhnoloji yokwenza i-calcining kwi-oven ejikelezayo
1. Uhlalutyo olusisiseko: Itekhnoloji ye-rotary oven kunye nesakhiwo esikhethekileyo se-rotary oven inokufezekisa unyango olusebenzayo lobushushu be-coke eqinileyo ye-petroleum. Umgaqo wetekhnoloji ye-rotary oven kukuxhomekeka ekunyukeni kobushushu bangaphandle kwinkqubo ye-calcination ye-petroleum coke kunye nentshukumo yeekhemikhali ngaphakathi kwisantya sokujikeleza, ukuze kukhawuleziswe izinga lokutsha kwe-coke ye-petroleum kwaye kwenziwe i-coke ye-petroleum iveliswe yi-calcination yobushushu obuphezulu.
2. Itekhnoloji ye-oven ejikelezayo ikakhulu ineenkqubo ezilandelayo:
1) Ukufudumeza: ngokujikelezisa isilinda kancinci kancinci nokongeza izinto ezithile zokutsha ukuze i-petroleum coke yangaphakathi ifikelele kwindawo yokutsha kwaye itshise kancinci;
2) Ukugaya: ukukhawulezisa kwangaphandle kokujikeleza kwesilinda, ngelixa kunyusa ubushushu bokugaya, impendulo yangaphakathi yekhemikhali yokugaya ipetroliyam yanda;
3) Ukupholisa: Ukufuma kwe-petroleum coke emva kokuba amanzi eguqukile kuvelisa i-petroleum coke ngocoselelo oluphezulu.
3, iingenelo kunye neengxaki kunye nohlalutyo olusebenzayo: xa idibene nemveliso enkulu yemizi-mveliso, i-rotary oven ineempawu zokusebenza okulula, imveliso enkulu, iindleko eziphantsi, ukugcinwa okulula, njl.njl., inokusebenza ngempumelelo kumashishini iminyaka engama-20 ukuya kwengama-30, ifanelekile kwiindidi ezahlukeneyo ze-carbon petroleum coke. Kwangaxeshanye, i-rotary oven ngokwayo isebenzisa umgaqo wokujikeleza kunye nokuphendula kwamakhemikhali wezinto zokutsha kwangaphakathi ukonga iindleko zezinto zokutsha. Nangona kunjalo, xa i-petroleum coke ijikeleza kwi-cylinder axis, ubushushu obuphezulu kulula ukubangela ukuguguleka nokuwa kwe-refractory, okubangela umgangatho ongazinzile weemveliso ezifakwe i-calcium, phakathi kwazo imveliso echanekileyo kakhulu imalunga ne-10% kuphela.
Ngoko ke, xa zidityaniswe neempawu ze-oven ejikelezayo, amashishini kufuneka enze unyango olujolise ngqo kwizinto zokwakha ze-oven kunye neenkqubo ngexesha lokusebenza, ukuze kuhlangatyezwane neemfuno zokuphucula ukusebenza kakuhle kwemveliso yemizi-mveliso, ukomeleza amandla e-calcination kunye nokuphucula ukuchaneka kwemveliso kangangoko kunokwenzeka.
(2) Itekhnoloji yokubala i-oven ye-coke
1. Uhlalutyo oluphambili: I-coke oven calcination i-coke elungisiweyo ngokukodwa ngesithando somlilo esishushu kakhulu esenziwe ngeebhloko zezitena esinokumelana nomlilo ophezulu, kwaye i-coke evelisiweyo iyacolwa kwaye ilungiswe ukuze yenze iimveliso ezintle ezifunekayo kushishino ukuvelisa i-coke. Kule nkqubo, kukho iimfuno ezingqongqo kakhulu ekuhlanganisweni kwe-coke eluhlaza kunye nobushushu kunye nexesha lokucolwa kwe-coke.
2, iingenelo kunye neengxaki kunye nohlalutyo olusebenzayo: xa kuthelekiswa nobuchwepheshe be-oven ejikelezayo, i-oven ye-coke inemveliso ephezulu kunye neempawu ezichanekileyo. Ikhetha ukujongana noluhlu olubanzi lwezithako, inokufikelela kulawulo oluzenzekelayo olusetyenziswayo, inokuvelisa umgangatho ophezulu we-coke egqityiweyo kumashishini. Kwangaxeshanye, imveliso ye-oven ye-coke ikwajongene neengxaki ezithile zokwakha, iimfuno eziphezulu zokwakhiwa kwe-oven ye-coke, ukuchaneka okuphezulu kokulawula ubushushu be-oven, iindleko eziphezulu zokulungisa ziya kuchaphazela izinga lokungena kwemveliso ye-oven ye-coke.
Nangona kunjalo, ukuphuhliswa kwetekhnoloji yokubala i-coke kwi-petroleum kwixesha elizayo, ukubala i-coke kwi-oven kunokufezekisa indima yokonga amandla kunye nokunciphisa ukukhutshwa komoya, kwaye kunokwenza igalelo elithile ekukhuselweni kokusingqongileyo kunye nokusetyenziswa ngokupheleleyo kwamandla, ukubala i-coke kwi-oven kunophuhliso olubanzi.
(3) iteknoloji ye-calciner yetanki
1. Uhlalutyo olusisiseko: Izakhiwo eziphambili zesithando somlilo esifana ne-canne ziquka: itanki yokondla, indlela yokucima umlilo, igumbi lokutshintshiselana nobushushu, isixhobo sokondla nokukhupha amanzi, isixhobo sokujikeleza amanzi okupholisa, njl. Kwinkqubo yokubala ngobushushu obuphezulu, i-petroleum coke eyongezwe kwitanki ifezekisa impendulo eqhubekayo yezinto zangaphakathi zekhabhoni ngokusebenzisa izinto zangaphakathi ezizinzileyo, ukuze kugqitywe ukubala ngobushushu obuphezulu. Itanki eqhelekileyo yokubala ngobuninzi inokwahlulwa ibe yi-downflow calcination kunye ne-counterflow calcination ngokwezinga kunye necala lokukhupha umsi.
2, uhlalutyo lwenzuzo kunye nokungalungi kunye nohlalutyo olusebenzayo: isithando somlilo se-calcination sohlobo lwe-canner sisetyenziswa kakhulu kwilizwe lethu, sisixhobo esiphambili semizi-mveliso yelizwe lethu kwishishini le-carbon, ngonyango olukhethekileyo lwe-petroleum coke sinokuhlangabezana nobushushu ngokupheleleyo, iimfuno zokufudumeza ezingathanga ngqo, kwaye ingaphakathi linokuphepha ukunxibelelana nomoya, linciphise izinga lokulahleka kweoksijini, liphucule imveliso kunye nomgangatho weemveliso ezigqityiweyo. Nangona kunjalo, xa kusetyenziswa iteknoloji ye-calciner ye-canister, kukho iinkqubo ezininzi zokusebenza ngesandla, nto leyo eyandisa umngcipheko wokhuseleko. Kwangaxeshanye, i-calciner yetanki ngokwayo ineemfuno ezininzi zemingxuma, nto leyo ebangela ubunzima bokugcinwa.
Kwixesha elizayo, amashishini anokufunda ngakumbi iteknoloji yokubala i-canister ngobuninzi bokukhupha, uphando lweengozi zeempazamo kunye nezinye izinto, ukuze kufezekiswe injongo yokwandisa imveliso ye-petroleum coke yokubala i-calcination ngobushushu obuphezulu.
Ngamafutshane, ubushushu obuphezulu be-petroleum coke calcination bunempembelelo enkulu kwishishini leekhemikhali kunye neshishini le-aluminium kwilizwe lethu. Amashishini anokukhetha iteknoloji efanelekileyo ye-calcination yobushushu obuphezulu ngokweemfuno zawo zoshishino, aze ekugqibeleni aqonde ukunciphisa iindleko kunye nokunyuka kokusebenza kakuhle kwamashishini.
Ixesha lokuthumela: Novemba-28-2022