Lo lus dross derives los ntawm lus Askiv qub dros, txhais tau tias cov khib nyiab tsim thaum smelting hlau (rho tawm los ntawm lawv cov ore). Los ntawm lub xyoo pua 15th nws tau los hais txog cov khib nyiab.
Dross txhais li cas hauv phau Vajlugkub?
2: khib nyiab los yog txawv teb chaws: impurity.
Vim li cas dross phem?
Thib ob, aluminium dross yog tshuav tsis kho cuam tshuam rau hauv kev ua haujlwm microbial hauv cov khib nyiab thiab ignitelossis pyrolysize ib puag ncig cov khoom pov tseg. Cov tshuaj lom neeg muaj feem xyuam nrog txhuas tuaj yeem tso tawm ntau cov tshuaj lom thiab / lossis cov pa taws uas tuaj yeem ua rau muaj kuab paug ntau dua.
Dab tsi yog qhov txawv ntawm slag thiab dross?
Dross finer than slag. Ob leeg yog pov tseg los yog cov khoom lag luam ntawm smelting thiab metallurgy. Slag yog cov khoom siv crude los ntawm qib siab ore thaum smelting, thiab nws tseem nyob tom qab thaum cov hlau yog nchuav tawm hauv lub xeev molten.
Dross hauv vuam yog dab tsi?
Ib txheej nyias ntawm cov hlau rov ua kom muaj zog uas tuaj yeem ua raws li ob sablossis hauv qab ntawm kerf. Dross zoo ib yam li recast tab sis nws yog ib qho oxide lossis oxide thiab nitride sib xyaw cov khoom uas tsis yog cov khoom siv hlau.
