Mtengo Wotsika wa Sulfur Calcined Pitch Petroleum Coke

Pitch coke ndi mtundu wa phula lotentha kwambiri la malasha, lomwe limapangidwa pogwiritsa ntchito phula la malasha potenthetsa, kusungunula, kupopera mbewu mankhwalawa ndi kupanga njira yozizirira. Pitch coke imagawidwa m'magulu awiri: phula la malasha ndi phula la petroleum. Chomangira phula pazida zowumitsa chimakhala makamaka phula la malasha. Mayeso opangira zida zoyeserera adawonjezedwa kuchombo chosungunula phula kuti chitenthedwe ndikusungunuka. Nthawi yomweyo, koyilo yotenthetsera yamagetsi imayatsidwa, ndipo phula lamadzimadzi limatulutsidwa mumphuno ndikusinthidwa kukhala tinthu ting'onoting'ono ta mpweya. Ma pellets a asphalt mwachilengedwe amazizidwa kukhala zinthu zomalizidwa pang'ono ndi mpweya munsanja yozizirira, ndipo amatumizidwa ku sefa yoyang'ana ya mbali zitatu yomwe ili pansi pa nsanja yozizirira kuti igawanitse zinthu zozungulira za asphalt zomwe zimakwaniritsa zofunikira.