Ngwa
Silicon carbide ceramikna-arụ ọrụ dị oke egwu na arụ ọrụ kiln ụlọ ọrụ n'ofe ọtụtụ ngalaba. Ngwa bụ isi bụ silicon carbide burner nozzles, nke a na-ejikarị na sistemụ ọkụ ọkụ dị elu maka nhazi ọla, imepụta iko, na ịgba seramiiki n'ihi nkwụsi ike nhazi ha na gburugburu ebe ọkụ. Isi ihe ọzọ eji eme ihe bụ silicon carbide rollers, nke na-arụ ọrụ dị ka nkwado na ibunye akụrụngwa na kilns na-aga n'ihu, ọkachasị n'ịkọpụta seramiki dị elu, ngwa elektrọn na iko ziri ezi. Na mgbakwunye, a na-eji ceramiki SiC arụ ọrụ dị ka ihe arụrụ arụ dịka ihie ụzọ, okporo ígwè, na ihe nrụnye n'ọkụ ọkụ, ebe ha na-atachi obi ogologo oge na ikuku ike na nrụgide ọrụ. Mwekota ha n'ime ngalaba ndị na-agbanwe ọkụ maka sistemu ikpo ọkụ na-ekpofu ọkụ na-eme ka ọ pụta ìhè n'ụzọ dị iche iche ha nwere na njikwa okpomọkụ metụtara kiln. Ngwa ndị a na-egosipụta ngbanwe nke silicon carbide maka ọrụ dị iche iche chọrọ n'ime teknụzụ kpo oku ụlọ ọrụ.
Ngwa ngwa ụlọ nrụpụta ihe gụnyere:
1.Silicon carbide burner nozzles
4.Silicon carbide radiant tube
Uru nka
1. Pụrụ iche Thermal kwụsie ike
- Ebe mgbaze: 2,730C (na-akwado gburugburu oke okpomọkụ)
- Nguzogide Oxidation ruo 1,600C na ikuku (na-egbochi mmebi na ikuku oxidative)
2. Elu Thermal Conductivity
- 150 W / (m·K) conductivity thermal na ụlọ okpomọkụ (na-enyere aka ịnyefe ọkụ ngwa ngwa na nkesa okpomọkụ otu)
- Na-ebelata oriri ume site na 20-30% ma e jiri ya tụnyere ihe mgbagha ọdịnala.
3. Nguzogide okpomọkụ na-enweghị atụ
- Na-egbochi mgbanwe okpomọkụ ngwa ngwa karịa 500 ° C / s (nke dị mma maka usoro ikpo ọkụ / oyi cyclic).
- Na-edobe iguzosi ike n'ezi ihe n'okpuru ịnya igwe ọkụ (na-egbochi mgbawa na nrụrụ).
4. Ike Mechanical dị elu na okpomọkụ dị elu
- Na-ejigide 90% nke ike ime ụlọ na 1,400 Celsius (dị oke mkpa maka akụrụngwa kiln na-ebu ibu).
- Ike Mohs nke 9.5 (na-eguzogide iyi site na ihe abrasive na gburugburu kiln).
| Ngwongwo | Silicon Carbide (SiC) | Alumina (Al₂O₃) | Ọla na-atụgharị (dịka ọmụmaatụ, alloys dabere Ni) | Refractories ọdịnala (dịka ọmụmaatụ, brik ọkụ) |
| Oke. Okpomọkụ | Ihe ruru 1600C+ | 1500°C | 1200C (na-adị nro n'elu) | 1400-1600C (dị iche) |
| Nrụpụta okpomọkụ | Elu (120–200 W/m·K) | Dị ala (~30 W/m·K) | Ọkara (~15–50 W/m·K) | Dị obere (<2 W/m·K) |
| Nguzogide okpomọkụ nke okpomọkụ | Magburu onwe | Ogbenye ka ọ dị oke oke | Ọ dị oke oke (ductility na-enyere aka) | Ogbenye (mgbawa n'okpuru ΔT ngwa ngwa) |
| Mechanical Ike | Na-ejigide ike na oke okpomọkụ | Na-agbada n'elu 1200 ° C | Adịghị ike na oke okpomọkụ | Dị ala (na-agbaji agbaji, nke porous) |
| Nguzogide corrosion | Na-eguzogide acids, alkalis, ọla a wụrụ awụ / slag | Dị oke oke (nke acids/bases siri ike wakporo) | Na-adị mfe na oxidation/sulfidation na oke okpomọkụ | Na-emebi emebi na ikuku ikuku |
| Ogologo ndụ | Ogologo (eyi / oxidation na-eguzogide) | Ọkpụkpụ (mgbawa n'okpuru ịgba ígwè ọkụ) | Short (oxidizes/creeps) | Mkpirisi (na-egbu egbu, mbuze) |
| Ịrụ ọrụ ike | Ọkwa dị elu (nfefe ọkụ ngwa ngwa) | Obere okpomọkụ (adịghị mma) | Ọkpụkpụ (nke na-arụ ọrụ mana ọ na-eme ka oxidizes) | Dị obere (ihe mkpuchi) |
Ụlọ ọrụ mmepụta ihe
Otu ụlọ ọrụ na-ahụ maka nhazi ọla rụpụtara ọmarịcha arụmọrụ mgbe ọ jikọtara ceramik silicon carbide (SiC) n'ime sistemu ọkụ ya dị elu. Site na iji dochie ihe ndị alumina a na-ahụkarịsilicon carbide burner nozzles, ụlọ ọrụ ahụ kọrọ:
✅ 40% ọnụ ahịa mmezi kwa afọ n'ihi mbelata mbelata akụrụngwa na gburugburu 1500C+.
✅ 20% na-abawanye na oge mmepụta, nke SiC na-eguzogide ujo na corrosion sitere na slag gbazere.
✅ Nkwekọrịta na ụkpụrụ njikwa ike ike ISO 50001, na-eme ka ikike ikuku dị elu nke SiC na-ebuli arụmọrụ mmanụ site na 15-20%.
Oge nzipu: Mar-21-2025