Nrog rau txoj kev loj hlob sai ntawm steel ntau lawm, cov ntaub ntawv refractory tau nce siv hauv kev lag luam steel. Ntawm lawv, lub ladle tundish nozzles yog ib feem tseem ceeb ntawm lub ladle, thiab nws txoj kev ntseeg siab thiab durability ncaj qha cuam tshuam rau qhov zoo thiab kev ua haujlwm ntawm steel ntau lawm. Kab lus no yuav ua kom paub meej txog kev xaiv cov khoom siv, qauv, kev siv thiab kev saib xyuas ntawm lub ladle tundish nozzles.
1. Kev xaiv cov khoom siv
Kev xaiv cov khoom siv rau tundish nozzles ntawm lub ladle yog qhov tseem ceeb heev. Feem ntau siv cov ntaub ntawv xws li cam khwb cia hlau, clear flow ceramics, alumina-carbon, silicon carbide, thiab lwm yam. Cov cam khwb cia hlau tundish nozzles yog ib tug ntau siv nozzle. Nws muaj kev ua haujlwm kub zoo, hnav tsis kam thiab toughness, tab sis nws cov sealing kev ua haujlwm tsis zoo. Cov ntshiab ntws ceramic tundish nozzles muaj kev sib khi zoo, tab sis nws cov cua sov ua haujlwm tsis zoo li cov cam khwb cia hlau tundish nozzles. Oxidation Cov txhuas-carbon tundish nozzles muaj qhov zoo ntawm cov cua sov ua haujlwm zoo, hnav tsis kam, thiab muaj zog corrosion kuj, tab sis nws cov nqi kuj yog siab; cov silicon carbide tundish nozzles muaj qhov zoo ntawm cov hardness siab, zoo tshav kub tsis kam, thiab zoo hnav tsis kam. Tab sis nws yog nkig heev.
2. Qauv
Cov qauv ntawm lub ladle tundish nozzles tau muab faib ua static tundish nozzles thiab dynamic tundish nozzles. Cov nozzles zoo li hais txog cov nozzles uas tsuas yog qhov chaw ruaj khov, xws li cov ncej, reins, kais qhov, thiab lwm yam. Dynamic nozzles xa mus rau cov nozzles uas yuav tsum tau ua haujlwm yooj yim, xws li steel pouring nozzles, slag adjusting nozzles, thiab lwm yam. Nozzles nrog cov qauv sib txawv muaj qhov sib txawv khoom, kev ua haujlwm yooj, lifespan, thiab lwm yam.
3. Siv
Thaum siv tundish nozzles ntawm lub ladle, tshwj xeeb yuav tsum tau them rau cov ntsiab lus hauv qab no:
(1) Txheeb xyuas qhov kev sib khi ntawm tundish nozzles nquag thiab hloov cov khoom puas hauv lub sijhawm.
(2) Ua tib zoo saib xyuas kev tswj cov dej siab thiab dej ntws thaum siv kom tsis txhob muaj qhov sib tsoo vim muaj dej ntau dhau los yog dej ntws.
(3) Ntxuav lub tundish nozzles nyob rau hauv lub sij hawm tom qab siv los tiv thaiv slag los ntawm kev sib tov nyob rau hauv lub tundish nozzles thiab ua rau txhaws.
4. Kev tu
Kev saib xyuas ntawm tundish nozzles ntawm lub ladle yuav tsis tsuas yog ncua nws cov kev pab cuam lub neej, tab sis kuj txhim kho nws efficiency thiab ntau lawm zoo. Nov yog qee cov lus qhia txog kev saib xyuas:
(1) Tsis tu ncua tshuaj xyuas lub tundish nozzles thiab daws txhua yam teeb meem pom nyob rau lub sijhawm.
(2) Ntxuav lub tundish nozzles thiab tshem tawm cov seem thiab cov khib nyiab hauv qhov dej tawm.
(3) Siv cov roj lubricating lossis lwm yam khoom siv los tiv thaiv lub taub hau kom ntev nws lub neej kev pab.
5. Cov ntsiab lus
Raws li ib feem tseem ceeb ntawm kev tsim cov hlau, lub ladle tundish nozzles muaj qhov cuam tshuam tseem ceeb ntawm kev tsim khoom thiab kev ua haujlwm zoo. Kev xaiv cov khoom tsim nyog, cov qauv ruaj khov, kev siv tus qauv thiab kev saib xyuas kom zoo yog cov yuam sij kom ntseeg tau tias qhov zoo ntawm lub ladle dej inlet. Yog li ntawd, peb yuav tsum tau xyuam xim rau cov kev tshawb fawb ntawm kev xaiv cov khoom, siv thiab tu lub ladle tundish nozzles los txhim kho nws zoo thiab siv efficiency. Peb tau cog lus los muab cov neeg siv khoom nrog cov khoom zoo tshaj plaws refractory, zirconia core thiab lwm yam ntaub ntawv refractory. Yog tias tsim nyog, tiv tauj peb hnub no thiab cia peb pab koj nrhiav kev daws teeb meem zoo rau koj cov kev xav tau!
