Kuqikelelwa ukuba imveliso yehlabathi yezinto ezichasayo ifikelele malunga ne-45×106t ngonyaka, kwaye iqhubeke nokunyuka unyaka nonyaka.
Ishishini lesinyithi liseseyona marike iphambili yezinto ezichasene negesi, lisebenzisa malunga ne-71% yemveliso yonyaka yokuchasene negesi. Kwiminyaka eli-15 edlulileyo, imveliso yentsimbi ekrwada ehlabathini iphindwe kabini, ifikelela kwi-1,623×106t ngo-2015, apho malunga ne-50% iveliswa eTshayina. Kwiminyaka embalwa ezayo, ukukhula kwesamente, iiseramikhi kunye nezinye iimveliso zezimbiwa kuya kuhambelana nale ndlela yokukhula, kwaye ukwanda kwezinto ezichasene negesi ezisetyenziswa ekuveliseni iimveliso zezimbiwa zesinyithi nezingezizo zesinyithi kuya kugcina ukukhula kwemarike. Kwelinye icala, ukusetyenziswa kwezinto ezichasene negesi kuzo zonke iindawo kuyaqhubeka nokuncipha. Ukususela ngasekupheleni kweminyaka yoo-1970, ukusetyenziswa kwekhabhoni kuye kwaba yeyona nto iphambili. Izitena ezingatshiswanga ezinekhabhoni zisetyenziswa kakhulu kwiinqanawa zokwenza isinyithi nentsimbi ukunciphisa ukusetyenziswa kwezinto ezichasene negesi. Kwangaxeshanye, iiCastables zesamente ephantsi zaqala ukuthatha indawo yezitena ezininzi ezichasene negesi. Izinto ezichasene negesi ezingashukumiyo, ezifana nezinto ezichasene negesi kunye nezinto zokujova, aziphuculanga nje kuphela izinto ngokwazo, kodwa zikwaphucula indlela yokwakha. Xa kuthelekiswa nomphetho ongaguqukiyo wemveliso emile okwesi sixhobo, ulwakhiwo lukhawuleza kwaye ixesha lokungasebenzi kwesi sixhobo liyancipha. Inganciphisa kakhulu iindleko.
Ii-refractories ezingaguqukiyo zithatha i-50% yemarike yehlabathi, ingakumbi amathuba okukhula kwee-castables kunye nee-preforms. EJapan, njengesikhokelo sendlela yehlabathi, ii-monolithic refractories sele zithatha i-70% yemveliso iyonke ye-refractory ngo-2012, kwaye isabelo sazo semarike siqhubekile nokukhula.
Ixesha leposi: Juni-06-2024