1. Cov ntsiab lus tseem ceeb
Qhov ntom ntom ntawm silicon carbide (SiC) rods yog qhov tseem ceeb ntawm lub cev qhov taw qhia uas txiav txim siab siab -kub tsis kam, oxidation tsis kam thiab kev pabcuam lub neej, thiab nws kuj yog qhov tseem ceeb rau kev paub qhov txawv ntawm cov khoom zoo tib yam los ntawm qib siab -kev lag luam zoo- qib SiC rods. Under the same working conditions, temperature and power distribution, higher density means lower porosity, denser structure, stronger resistance to high-temperature oxidation, flue gas corrosion and thermal shock, resulting in a longer service life. In contrast, low-density rods have loose and porous structures and are prone to rapid aging and failure.
Cov ntaub ntawv ntsuam xyuas kev lag luam qhia tau hais tias qhov ntom ntawm SiC rods zoo ib yam yog hais txog2.4-2.6g / cm³nrog tus txheej txheem txuas ntxiv kev pab cuam lub neej ntawm 1500-1800 teev. High-Qhov ceev ua kom zoo dua SiC rods muaj qhov ntom ntom ntawm Ntau dua lossis sib npaug rau3.0g / cm3thiab tsis tshua muaj porosity. Raws li cov xwm txheej zoo ib yam, lawv lub neej kev pabcuam nce los ntawm30%–50%, nrog lub neej ua haujlwm ruaj khov tshaj 2200 teev, haum rau siab - kub thiab kev lag luam tas mus li.
2. Txoj Cai Ua Haujlwm: Qhov Kev Ua Haujlwm Zoo Li Cas cuam tshuam rau lub neej kev pabcuam
Kev laus thiab tsis ua haujlwm ntawm SiC rods feem ntau tshwm sim thaum cov pa oxygen thiab cov kua qaub -cov pa roj hauv paus nkag mus rau hauv cov pas nrig sab hauv ntawm qhov kub thiab txias, tsis tu ncua oxidizing cov khoom siv silicon carbide, ua rau muaj zog tiv taus, kub attenuation, pulverization thiab tawg. Qhov ntom ntom thaiv qhov txheej txheem kev laus no:
Tsawg-cov hlua xoob xoob: Tsis txaus sintering kub thiab cov txheej txheem yooj yim ua rau ntau lub micropores sab hauv. Thaum kub kub, cov pa oxygen thiab corrosive cub tawg sai sai nkag mus rau sab hauv, ua rau oxidation tsis tu ncua thiab yaig los ntawm sab hauv mus rau sab nraud. Qhov no ua rau muaj kev tiv thaiv sai sai, kev kub ntxhov hauv zos, cua sov tsis txaus thiab cov pas nrig tawg, ua rau lub neej ua haujlwm luv luv.
High -ntaus ntom ntom rods: Sintered ntawm 2200℃siab-kub siliconization recrystallization tshuab, lawv muaj cov qauv siv lead ua compact thiab ultra-tsis tshua muaj porosity. The dense structure effectively blocks the invasion of oxygen, sulfur-alkali vapor and glass flue gas, significantly delaying high-temperature oxidation and aging, restraining resistance growth, and improving mechanical strength and thermal shock resistance to avoid fracture during rapid temperature changes.
3. Qhov txawv ntawm Bulk Density thiab Surface Load Density
Bulk ntom yog hais txog cov khoom compactness ntawm tus pas nrig nws tus kheej, txiav txim siab lub siab tshaj plaws theoretical kev pab cuam lub neej; nto load ceev yog hais txog lub hwj chim load rau ib cheeb tsam cheeb tsam, txiav txim siab ua hauj lwm mob adaptability. High-SiC rods nrog cov khoom siv zoo tshaj plaws tuaj yeem nqa cov khoom hnyav dua thiab tsis txhob muaj kev laus zuj zus los ntawm ntau dua - kub dhau, nrog rau kev ua haujlwm siab dua li qis- cov khoom ntom ntom.
4. Daim ntawv qhia kev xaiv
Standard -SiC rods qhov ceev yog muaj feem xyuam rau qis- qhov kub thiab txias tsis sib xws ntawm qhov chaw kuaj mob. Rau hnyav industrial tej yam kev mob xws likub siab tshaj 1350 degree, nruam ntau lawm, corrosive furnace gas thiab nquag pib-stop cycles, siab -SiC rods yog qhov kev xaiv zoo tshaj plaws. Lawv txo qis kev hloov zaus thiab kaw qhov poob, txo qis - lub sijhawm ua haujlwm thiab cov nqi kho mob.
