Cov lus qhia yooj yim thiab zoo rau kev ncua lub neej kev pabcuam ntawm Crucible

Cov lus qhia yooj yim uas tuaj yeem ua kom ntev lub neej ua haujlwm ntawm Crucible

Lub crucible yog ib yam ntawm cov ntaub ntawv refractory thiab ib hom ntawm cov rooj tog zaum uas yooj yim, ua haujlwm tau zoo thiab yooj yim los lis. Ib qho yooj yim raws li nws yog siv lub crucible, muaj ntau cov ntsiab lus xav tau kev saib xyuas tshwj xeeb thiab kev saib xyuas. Txais yuav txoj hauv kev kom preheat lub crucible tuaj yeem ua rau lub neej kev pab cuam ntawm lub crucible zoo heev. Hauv nqe lus no, peb yuav tshawb xyuas cov ntsiab lus me me rau txhua qhov txuas ntawm kev siv crucible.

Preheating

1. Thaum siv lub crucible thawj zaug, ua ntej sau cov khoom noj rau hauv, peb yuav preheat lub crucible mus txog 200 degrees Celsius nyob rau hauv 30 feeb, sib txawv rau ntau hom crucible thiab qhuav rau 60 feeb nyob rau hauv ib qho kev sim kom volatilize cov dej absorbed. los ntawm qhov chaw ntawm lub crucible. Ua li no, peb muaj peev xwm tiv thaiv tawg thaum nws pib siv.

2. Tom qab preheating, lub crucible yuav tsum tau rhuab mus rau 900-1000 degrees Celsius (nyob rau hauv hais txog 2 teev) kom sai li sai tau, thiab cia nws sov so rau 20-30 feeb, thiab ces nce los yog poob mus rau lub chaw ua hauj lwm. kub. Lub hom phiaj ntawm kev ua li ntawd yog kom nrawm dhau los ntawm graphite crucible oxidation kub ntau.

3. Tom qab cua sov ntawm lub crucible thawj zaug, feem ntau yuav tsum tsis muaj cua sov ntxiv tshwj tsis yog tias lub crucible rov ntub dej.

Pub

1. Cov hmoov hlau yuav tsum tau qhuav ua ntej muab ntxiv rau hauv lub crucible.

2. Muab lub crucible maj mam muab tso rau hauv cov khoom noj, tsis txhob muab pov los yog nchuav hlau ingot rau hauv lub crucible, uas yuav ua rau lub crucible puas.

3. Muab lub ingot tso rau hauv lub crucible vertically, thiab tawm txaus nthuav qhov chaw ntawm lub ingot thiab lub crucible phab ntsa. Tsis txhob tso lub ingot horizontally nyob rau hauv lub crucible, yog hais tias nws yuav o thiab tawg lub crucible.

4. Cov hlau me me tuaj yeem muab ntxiv rau lub crucible ua ib lub txaj rau cov khoom loj.

5. Thaum lub sij hawm nruam smelting, ib feem ntawm cov hlau tov yuav muab khaws cia rau hauv lub crucible kom ceev lub melting ceev. Txawm li cas los xij, nws yog ib qho tsim nyog yuav tsum tsis txhob ntxiv cov khoom siv hlau loj rau me me ntawm cov tshuaj, uas yuav ua rau lub crucible puas tsuaj yog tias cov tshuaj yuav quench lossis solidify.

6. Tsis txhob nchuav cov tshuaj thaum muab ntxiv, feem ntau tsis tshaj 80% ntawm lub peev xwm crucible.

Kev siv cov additives

1. Cov tshuaj ntxiv tuaj yeem ntxiv tom qab cov hlau tau yaj tag. Tsis txhob muab tso rau hauv qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob.

2. Thaum siv cov khoom siv ntxiv, nws yuav tsum tau muab ntxiv rau hauv nruj raws li cov lus qhia, kev siv ntau dhau ntawm cov khoom siv ntxiv yuav ua rau lub neej ua haujlwm luv ntawm lub crucible.