Thaum smelting tin tooj daj, vim tias zinc muaj qhov nruab nrab uas tsis tshua raug thiab muaj qhov sib txuam ntau dua rau cov pa, nws yuav tsum deoxidized thiab tom qab ntawd muab tso rau hauv lub cub tawg. Chuangrui tin bronze phaj tuaj yeem ntxiv deoxidation los ntawm zinc, uas yuav pab tau ntau dua kom tsis txhob muaj kev phom sij ntawm SnO2 ntau lawm. Cov zinc thiab phosphorus hauv cov melt muaj cov qauv ua kom deoxidation, thiab qhov tshwm sim 2ZnO · P2O5 yog qhov yooj yim dua cais ntawm cov yaj, thiab nws yog qhov pab tau txhawm rau txhim kho fluidity ntawm yaj.
Kev siv ntawm tus nqi qhuav, txawm tias preheating tus nqi ua ntej melting, tuaj yeem txo lossis txawm zam kom tsis muaj roj nqus los ntawm yaj. Qhov ntsuas kom tau zoo ntawm cov hlau tshiab thiab cov txheej txheem pov tseg yog tseem rau qhov ua kom ruaj khov ntawm cov yaj. Tus nqi ntawm cov txheej txheem pov tseg yuav tsum tsis ntau tshaj 20% txog 30%. Lub suab yaj ib nyuag paug los ntawm impurities tuaj yeem raug oxidized los ntawm tshuab hauv huab cua lossis los ntawm kev ntxiv cov pa tshuaj (xws li tooj liab oxide CuO). Cov khoom siv pov tseg uas muaj paug ntau los ntawm qee yam qias tuaj yeem tuaj yeem kho kom zoo los ntawm cov kuab tshuaj lossis cov roj inert, suav nrog kev kho mob kom zoo dua qub, txhawm rau txhim kho lawv qhov zoo.
Kev pub mis thiab yaj kom sib txawv, suav nrog kev siv hluav taws xob-zaus hlau tseem ceeb hluav taws xob ua hluav taws xob nrog kev ua haujlwm ntawm kev sib zog ua kom cov hmoov yaj mus rau smelting, yog txhua qhov zoo rau txo thiab zam kev cais tawm. Ntxiv cov nqi tsim nyog ntawm nickel rau cov yaj yog qhov muaj txiaj ntsig kom nrawm cov solidification thiab crystallization nrawm ntawm lub yaj, thiab muaj qee yam muaj txiaj ntsig ntawm kev txo thiab zam kev cais tawm. Zoo sib xws ntxiv, zirconium thiab lithium kuj tuaj yeem xaiv. Nws yog ua tau los siv txoj kev sib xyaw ua ke ntawm kev sib cais ntawm tooj liab thiab txhuas, thiab tom qab ntawd txhaj cov hmoov txhuas yaj rau hauv tooj liab yaj ntawm 1150 txog 1180 ° C. Nyob rau hauv ib txwm muaj xwm txheej, smelting tin bronze muaj phosphorous feem ntau siv hluav ncaig hluav taws xob, lossis roj av coke thiab lwm yam khoom siv carbonaceous los npog lub yaj, tsis txhob siv cov kuab tshuaj. Tus neeg sawv cev npog siv thaum smelting tin tooj liab uas muaj zinc yuav tsum muaj cov pa roj carbon uas muaj cov khoom siv xws li hluav ncaig. Thaum lub sijhawm nrum tas mus li, nws yog qhov tsim nyog los tswj cov tapping kub ntawm 100-150 ° C saum cov alloy ua kua.
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