crucibles maka agbaze

Silicon carbide cruciblebụ ngwá ọrụ mgbaze dị mkpa na ụlọ ọrụ metallurgical. N'ihi na ọ dị mma elu okpomọkụ na-eguzogide na thermal conductivity, ọ na-ọtụtụ ebe na dị iche iche metal smelting na chemical Jeremaya mere. Agbanyeghị, iji hụ na arụ ọrụ kacha mma n'oge eji, silicon carbide crucibles kwesịrị ikpo ọkụ nke ọma.

Nzọụkwụ na-ekpo ọkụ maka silicon carbide crucible
Silicon carbide crucibles chọrọ nlebara anya pụrụ iche n'oge usoro ikpo ọkụ iji gbochie nsogbu ndị dị ka mgbasawanye okpomọkụ, nkwụsị ala, delamination ma ọ bụ mgbawa nke mmiri fọdụrụnụ kpatara. Usoro ndị akọwapụtara bụ ndị a:

Nri mbụ: Ime na oven na-agbakwunyeghị ihe ọ bụla, ma nọgide na-ekpo ọkụ ruo ihe karịrị awa 24. N'oge usoro a, na-atụgharị crucible mgbe niile iji hụ na kpo oku otu ma wepụ mmiri mmiri kpamkpam na mgbidi nke crucible.

Jiri nwayọ kpoo ọkụ:

Buru ụzọ kpoo ọkụ ahụ ruo ogo 150 ruo 200 ma jide otu awa.
Mgbe ahụ, mee ka okpomọkụ dịkwuo elu na 150 degrees Celsius kwa elekere ruo mgbe okpomọkụ dị elu ruru. N'oge usoro a, zere ịhapụ mgbidi ndị na-ekpo ọkụ na okpomọkụ n'etiti 315 na 650 degrees Celsius maka ogologo oge, n'ihi na crucible ga-agbaze ngwa ngwa na okpomọkụ a, na-ebelata ndụ ya ma na-ebelata okpomọkụ ya.

Ọgwụgwọ oke okpomọkụ:

Mgbe emechara ikpo ọkụ, ọ gwụla ma ekpughere crucible ahụ na gburugburu iru mmiri ọzọ, ọ dịghị mkpa ka a kpoo ọkụ ọzọ ma nwee ike ịga n'ihu na-eji ya.
Mgbe emechara preheating, bulie okpomọkụ ngwa ngwa gaa na 850 ~ 950 Celsius, mee ka ọ dị ọkụ ruo ọkara otu awa na-agbakwunyeghị ihe, wee mee ka ọ dị jụụ na okpomọkụ na-arụ ọrụ ma malite ịgbakwunye ihe. Ọgwụgwọ a nwere ike ịgbatị ndụ ọrụ crucible nke ọma.

Ụzọ nhazi ndị ọzọ
Na mgbakwunye na usoro ikpo ọkụ dị n'elu, a pụkwara iji ụzọ ndị a:

Kpoo ọkụ n'akụkụ ihe na-ere mmanụ: Ịtụkwasị crucible n'akụkụ ihe ọkụ mmanụ nwere ike inye aka wepụ mmiri mmiri.
Ịkụ icheku ma ọ bụ osisi: Ịkụ unyi ma ọ bụ osisi n'ime ite ọkụ nwere ike inye aka na-ewepụ mmiri mmiri.

Ịhọrọ nha crucible ziri ezi
Silicon carbide crucible akụkụ dịgasị iche dabere na emeputa na kpọmkwem ngwa. Ya mere, mgbe ị na-ahọrọ, biko rụtụ aka na nkọwapụta ngwaahịa ma ọ bụ kpọtụrụ ndị na-ebubata ya maka ozi ziri ezi. Ịhọrọ crucible ziri ezi dabere na mkpa gị nwere ike melite nrụpụta mmepụta na ịdị mma ngwaahịa.

Site n'ịgbaso usoro ikpo ọkụ na nhazi ziri ezi, silicon carbide crucibles nwere ike ịbawanye arụmọrụ ha ma gbasaa ndụ ọrụ ha, na-enye nkwa a pụrụ ịdabere na ya maka usoro mmepụta gị.

Ntuziaka onye ọrụ eserese crucible
A na-ejikwa eriri graphite mee ihe n'ọtụtụ ebe na nnwale okpomọkụ na mmepụta ụlọ ọrụ mmepụta ihe. Nguzogide okpomọkụ ya dị elu, nguzogide corrosion, na ezigbo okpomọkụ na-eme ka ọ dị mma maka ọtụtụ nnwale na usoro mmepụta. Iji hụ na arụmọrụ kacha mma na ogologo ndụ ọrụ nke graphite crucible, ekwesịrị itinye uche na usoro ndị a n'oge eji:

Ntụnye ihe atụ
Nlere anya siri ike: Kesaa ihe nnwale ma ọ bụ akụrụngwa n'ime crucible graphite ka ịzena oke ọkụ mpaghara ma ọ bụ fesa.
Ihe nlere mmiri: Jiri dropper ma ọ bụ ihe nlele micro-ọzọ iji dobe mmiri mmiri n'ime ite iji zere ịgbasa ma ọ bụ mebie èzí nke crucible.

ọrụ kpo oku
usoro kpo oku:

Jiri ngwaọrụ kpo oku eletrik, ikpo ọkụ infrared radieshon ma ọ bụ ụzọ kpo oku ndị ọzọ kwesịrị ekwesị iji kpoo graphite crucible.
Zere ikpo ọkụ ozugbo na ọkụ mepere emepe. N'ihi na graphite dị elu nwere ezigbo ọkụ ọkụ, ikpo ọkụ ozugbo na ọkụ mepere emepe nwere ike ime ka crucible gbanwee ma ọ bụ gbawaa.

Ọsọ ikpo ọkụ:

Nọgide na-enwe ọkụ ọkụ kwesịrị ekwesị iji zere imebi crucible n'ihi mgbanwe okpomọkụ mberede.
Gbanwee ọnọdụ na ike nke ngwaọrụ kpo oku iji hụ na crucible na-ekpo ọkụ nke ọma.

Mkpachapụ anya
Zere kọntaktị kpọmkwem na ire ọkụ: Mgbe ị na-ekpo ọkụ, zere ịkpọtụrụ ọkụ ozugbo ka ị ghara ịhapụ akara ojii na ala nke crucible ma ọ bụ imebi ihe ọzọ.
Njikwa okpomọkụ: Graphite crucible na-enwe mmetụta maka mgbanwe okpomọkụ, ya mere a ghaghị ịchịkwa okpomọkụ okpomọkụ n'oge eji iji zere mgbawa crucible n'ihi oke okpomọkụ ma ọ bụ dị ala.
Ịdị ọcha na nchekwa gburugburu: Debe gburugburu gburugburu ebe obibi dị ọcha ma zere mmebi nke graphite crucible n'ihi mmetụta ma ọ bụ ịda site na elu.

Nkwado data ọkachamara
Thermal conductivity: Thermal conductivity nke elu-dị ọcha graphite crucible bụ banyere 100-300 W / m · K, nke na-enyere ya aka ngwa ngwa nyefee okpomọkụ na elu okpomọkụ ma belata mmetụta nrụgide nke okpomọkụ gradient na crucible.
Ọnọdụ okpomọkụ na-arụ ọrụ: Graphite crucible nwere ezigbo nguzogide okpomọkụ dị elu, okpomọkụ kachasị arụ ọrụ nwere ike iru 3000 ° C, a na-ejikwa ya na ikuku inert.
Nguzogide Oxidation: Mgbe ejiri ya na okpomọkụ dị elu na ikuku, elu nke graphite crucible na-adịkarị mfe oxidation. Ekwesịrị iwere usoro nchebe dị ka itinye mkpuchi mgbochi oxidation ma ọ bụ iji nchebe gas na-adịghị mma.

Ịgbaso usoro ndị a dị n'elu na nlezianya anya nwere ike hụ na arụmọrụ dị elu na ogologo ndụ nke graphite crucibles na.silicon carbide crucibles, si otú ahụ melite ntụkwasị obi na àgwà nke nnwale na mmepụta.