Ihe osise eseresenwere ezi thermal conductivity na elu okpomọkụ iguzogide. N'oge a na-eji okpomọkụ dị elu, ọnụọgụ ha nke mgbasawanye okpomọkụ dị ntakịrị, ma ha nwere ụfọdụ nkwụsi ike maka ikpo ọkụ na ngwa ngwa. Nguzogide corrosion siri ike na ngwọta acid na alkaline, yana nkwụsi ike kemịkalụ mara mma.
Njirimara nke ngwaahịa graphite crucible
1. Ego dị ala, graphite crucibles na-akwụ ụgwọ gburugburu 40% ala karịa ọkụ ọkụ yiri ya.
2. Ndị ọrụ adịghị mkpa ịmepụta ọkụ ọkụ ọkụ, na ngalaba azụmahịa anyị na-enye nhazi na mmepụta zuru oke.
3. Oriri ike dị ala, n'ihi nhazi ezi uche dị na ya, nhazi dị elu, ihe ọhụrụ na-anwale ike nke graphite crucibles ma e jiri ya tụnyere ọkụ ọkụ yiri nke otu ihe nlereanya.
4. Obere mmetọ, n'ihi na ike dị ọcha dị ka gas ma ọ bụ gas na-ekpo ọkụ nwere ike iji mee ihe dị ka mmanụ ụgbọala, na-eme ka mmetọ dị ntakịrị.
5. Arụ ọrụ na njikwa dị mma, ọ bụrụhaala na a na-edozi valvụ dịka ọkụ ọkụ ọkụ.
6. Ngwaahịa dị elu dị elu, na n'ihi ọrụ na njikwa dị mma, na ebe ọrụ dị mma, a na-ekwe nkwa àgwà ngwaahịa.
7. Energy nwere ọtụtụ ngwa ngwa, nke nwere ike iji ya mee ihe maka ikuku gas, coal gas, gas liquefied, mmanụ dị arọ, mmanụ dizel, wdg. Ọ nwekwara ike iji maka coal na coke mgbe mgbanwe dị mfe.
8.The graphite crucible ọkụ nwere ọtụtụ ngwa okpomọkụ, nke nwere ike ịgbaze, mkpuchi, ma ọ bụ abụọ nwere ike iji ọnụ.
Ịrụ ọrụ nka nke graphite crucible:
1. Igwe ọkụ ọkụ dị 300-1000
2. Ike mgbaze nke crucible (dabere na aluminom) sitere na 30kg ruo 560kg.
3. Ọgbọ mmanụ na okpomọkụ: 8600 calories / m gas gas.
4. Nnukwu mmanụ ọkụ maka aluminom a wụrụ awụ: 0.1 gas gas kwa kilogram nke aluminom.
5. Oge ịgbaze: 35-150 nkeji.
Kwesịrị ekwesị maka ịgbaze ọla dị iche iche na-adịghị ferrous dị ka ọla edo, ọlaọcha, ọla kọpa, aluminom, lead, zinc, yana ọkara carbon steel na ọla dị iche iche na-adịghị ahụkebe.
Ịrụ ọrụ anụ ahụ: Nguzogide ọkụ ≥ 16500C; Porosity pụtara ìhè ≤ 30%; Njupụta olu ≥ 1.7g/cm3; Ike mkpakọ ≥ 8.5MPa
Ngwakọta kemịkalụ: C: 20-45%; SIC: 1-40%; AL2O3: 2-20%; SIO2: 3-38%
Iberibe nke ọ bụla na-anọchi anya otu kilogram nke ọla a wụrụ awụ.
Ebumnuche nke graphite crucible:
Graphite crucible bụ arịa na-emegharị emegharị nke ejiri graphite eke eke, nkume wax, silicon carbide na akụrụngwa ndị ọzọ, nke ejiri maka agbaze na nkedo ọla kọpa, aluminum, zinc, lead, gold, silver, na ọla dị iche iche na-adịghị ahụkebe.
Ntuziaka maka iji ngwaahịa crucible
1. Ọnụ ọgụgụ nkọwapụta nke crucible bụ ikike nke ọla kọpa (#/ kg)
2. Ekwesịrị ịdebe ihe mkpuchi graphite ka ọ ghara iru mmiri ma debe ya n'ebe kpọrọ nkụ ma ọ bụ n'obere osisi.
3. Jikwaa nke ọma n'oge njem ma machibido ịda ma ọ bụ ịma jijiji.
4. Tupu eji ya eme ihe, ọ dị mkpa ka ikpo ọkụ na-ekpo ọkụ na ngwa ihicha ma ọ bụ site na ọkụ ọkụ, na okpomọkụ nke nwayọọ nwayọọ na-ebili na 500 ℃.
5. Ekwesịrị idobe ihe mkpuchi ahụ n'okpuru ọnụ ọkụ ọkụ ka ọ ghara iyi akwa na mkpuchi mkpuchi ọkụ.
6. Mgbe ị na-agbakwụnye ihe, ọ ga-adabere na solubility nke crucible, na ihe dị ukwuu ekwesịghị ịgbakwunye iji zere mgbasawanye nke crucible.
7. Ngwá ọrụ mgbapụta na ihe mgbakwasị ụkwụ kwesịrị ikwekọ na ọdịdị nke ọkpụkpụ ahụ, na akụkụ nke etiti kwesịrị ka a na-ejikọta ya ka ọ ghara imebi ike mpaghara na crucible.
8. Mgbe ị na-ewepụ slag na coke site na mgbidi dị n'ime na n'èzí nke crucible, a ga-akụ ya nke ọma ka ọ ghara imebi ihe ahụ.
9. A ga-edobe ebe dị mma n'etiti ọkụ ọkụ na mgbidi ọkụ ahụ, a ga-etinyekwa ihe mkpuchi ahụ n'etiti etiti ọkụ ahụ.
10. Iji ihe enyemaka combustion na ihe mgbakwunye ga-ebelata ọrụ ndụ nke crucible.
11. N'oge eji, ịtụgharị crucible otu ugboro n'izu nwere ike ịgbatị ndụ ọrụ ya.
12. Zere ịgbasa ọkụ ọkụ oxidation siri ike n'akụkụ na ala nke crucible.
Oge nzipu: Sep-06-2023