Tuam Tshoj tungsten melting lauj kaub crucible tungsten crucible nrog npog Chaw tsim tshuaj paus thiab tsum

tungsten melting lauj kaub crucible tungsten crucible nrog npog

Lus piav qhia luv luv:

Tungsten crucibles thiab furnaces feem ntau yog siv nyob rau hauv high-temperature daim ntaub ntawv xws li hlau casting, sintering, thiab zus tau tej cov ceramics thiab lwm yam high-temperature ntaub ntawv. Tungsten lub siab melting point, zoo heev thermal conductivity thiab tshuaj tiv thaiv ua rau nws yog ib tug zoo tagnrho cov ntaub ntawv rau cov kev siv.

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Lub crucible ua haujlwm li cas?

Lub crucible yog lub nkoj tsim los tiv thaiv qhov kub thiab txias, feem ntau yog siv los yaj, calcine, lossis lwm yam txheej txheem cov ntaub ntawv ntawm qhov kub thiab txias. Crucibles feem ntau yog ua los ntawm cov ntaub ntawv xws li graphite, ceramics, los yog refractory hlau xws li tungsten.

Lub luag haujlwm tseem ceeb ntawm lub crucible muaj cov kauj ruam hauv qab no:

1. Sealing: Lub luag haujlwm tseem ceeb ntawm lub crucible yog kom muaj cov khoom ua tiav, xws li hlau, alloy lossis lwm yam khoom siv, thaum lub sijhawm cua sov lossis melting txheej txheem. Lub crucible qhov kub tsis kam tiv thaiv cov ntaub ntawv los ntawm kev khiav tawm los yog cuam tshuam nrog ib puag ncig ib puag ncig.

2. Thaum tshav kub kub hloov: Thaum muab tso rau hauv lub cub tawg lossis lwm yam khoom siv cua sov, lub crucible absorbs cua sov thiab hloov mus rau cov ntaub ntawv sab hauv. Qhov no coj cov ntsiab lus ntawm lub crucible mus rau qhov kub uas yuav tsum tau rau melting, sintering, los yog lwm yam thermal txheej txheem.

3. Kev tiv thaiv: Lub crucible tseem muab kev tiv thaiv rau cov khoom siv ua tiav. Piv txwv li, nyob rau hauv cov ntaub ntawv ntawm hlau melting, crucibles pab tiv thaiv oxidation los yog kis kab mob ntawm cov hlau molten los ntawm muab ib tug kaw ib puag ncig.

4. Pouring lossis Casting: Thaum cov khoom nyob rau hauv lub crucible tau mus txog lub xeev xav tau, xws li molten daim ntawv, lub crucible yuav siv tau rau ncuav los yog cam khwb cia cov khoom rau hauv pwm los yog lwm lub thawv rau kev ua ntxiv.

Nyob rau hauv cov ntaub ntawv ntawm tungsten crucibles, lawv siab melting point thiab tsis kam mus rau tshuaj tua kab mob ua rau lawv haum rau tuav tsis tshua muaj kub txheej txheem, xws li melting ntawm refractory hlau los yog lwm yam high-temperature cov ntaub ntawv.

Zuag qhia tag nrho, cov qauv tsim thiab cov khoom siv ntawm crucibles ua rau lawv tuaj yeem tiv taus qhov kub thiab txias, muaj cov khoom siv, yooj yim hloov cov cua sov, thiab tiv thaiv cov ntaub ntawv ua tiav los ntawm ib puag ncig, ua rau lawv yog ib qho tseem ceeb ntawm ntau yam kev siv kub.

Vim li cas crucible rhuab nrog lub hau?

Crucibles feem ntau yog cua sov nrog lub hau kaw rau cov laj thawj hauv qab no:

1. Sealing: Lub hau pab kaw cov khoom ua tiav nyob rau hauv lub crucible, tiv thaiv nws los ntawm spilling los yog splashing thaum nws ncav cuag kub. Qhov kev sib khi no tseem ceeb tshwj xeeb tshaj yog rau cov khoom siv uas yuav hnov mob nrog cov huab cua nyob ib puag ncig lossis rau cov txheej txheem uas yuav tsum muaj kev tswj hwm ib puag ncig.

2. Kev tiv thaiv: Lub hau muab kev tiv thaiv rau cov ntaub ntawv hauv lub crucible los ntawm kev sib kis, oxidation, los yog lwm yam ib puag ncig. Qhov no yog ib qho tseem ceeb tshwj xeeb tshaj yog thaum ua hauj lwm nrog cov ntaub ntawv rhiab heev los yog thaum ua cov txheej txheem kub uas yuav tsum tau muaj ib qho chaw tshwj xeeb.

3. Rwb thaiv tsev: Khaws lub hau ntawm lub crucible pab khaws cov cua sov hauv lub thawv, txhawb nqa txawm tias cua sov ntawm cov khoom thiab tiv thaiv kom tsis txhob muaj cua sov rau ib puag ncig. Qhov no yog ib qho tseem ceeb kom ua tau raws li qhov sib xws thiab tswj cov cua sov thaum kho cua sov.

4. Kev tswj huab cua: Qee zaum, lub hau tuaj yeem pab tswj cov huab cua hauv lub crucible kom tswj tau cov roj muaj pes tsawg leeg lossis siab thaum lub sijhawm cua sov. Qhov no yog qhov tseem ceeb rau qee yam khoom siv thiab tshuaj lom neeg.

Zuag qhia tag nrho, nyob rau hauv high-temperature daim ntaub ntawv, nws yog ib qho kev xyaum ua kom sov crucibles nrog hau los xyuas kom meej sealing, tiv thaiv, rwb thaiv tsev, thiab kev tswj ntawm kev ua ib puag ncig.