Mullite Xuab Zeb
Cov Ntaub Ntawv Khoom
Mullite xuab zebyog cov khoom siv refractory aluminium silicate, feem ntau siv rau hauv cov txheej txheem casting stainless hlau precision. Qhov refractoriness yog li 1750 degrees. Qhov siab dua ntawm cov ntsiab lus txhuas hauv mullite xuab zeb, qhov qis dua cov ntsiab lus hlau, thiab cov hmoov av me dua, qhov zoo dua ntawm cov khoom xuab zeb mullite. Mullite xuab zeb yog ua los ntawm kev kub siab sintering ntawm kaolin.
Nta:
1. Qhov kub yaj siab, feem ntau ntawm 1750 thiab 1860 ° C.
2. Kev ruaj khov zoo thaum kub thiab txias.
3. Cov coefficient ntawm kev nthuav dav thermal qis.
4. Kev ruaj khov tshuaj lom neeg siab.
5. Kev faib tawm qhov loj me ntawm cov khoom me me tsim nyog tso cai rau kev xaiv thiab kev hloov kho raws li cov txheej txheem casting sib txawv thiab cov kev cai casting.
Cov Khoom Muag
| Cov Lus Qhia Tshwj Xeeb | Qib Noj Hmo | Qib 1 | Qib 2 |
| Al2O3 | 44% -45% | 43% -45% | 43% - 50% |
| SiO2 | 50% -53% | 50% -54% | 47% - 53% |
| Fe2O3 | ≤1.0% | ≤1.5% | ≤2.1% |
| K2O+Na2O | ≤0.5% | ≤0.6% | ≤0.8% |
| CaO | ≤0.4% | ≤0.5% | ≤0.5% |
| TiO2 | ≤0.3% | ≤0.7% | ≤0.3% |
| Xaustic Soda | ≤0.5% | ≤0.5% | ≤0.7% |
| Qhov Ceev Ntau | ≥2.5g/cm3 | ≥2.5g/cm3 | ≥2.45g/cm3 |
Cov ntawv thov
Lub hauv paus ntawm kev ua kom raug yog kev tsim cov pwm plhaub (cov txheej txheem ntawm kev txheej cov qauv quav ciab nrog ntau txheej ntawm cov khoom siv refractory los tsim lub plhaub sab nraud. Tom qab cov qauv quav ciab yaj, lub qhov yog tsim rau nchuav cov hlau molten). Mullite xuab zeb feem ntau yog siv ua cov khoom siv refractory hauv lub pwm plhaub thiab siv rau ntau txheej ntawm lub plhaub, tshwj xeeb raws li hauv qab no:
1. Lub plhaub nto (Txiav txim siab ncaj qha txog qhov zoo ntawm qhov chaw ntawm kev ua casting)
Kev Ua Haujlwm:Cov txheej saum npoo yog nyob rau hauv kev sib cuag ncaj qha nrog lub casting thiab yuav tsum xyuas kom meej tias qhov chaw tiav du (tsis txhob roughness thiab pitting) thaum tseem tiv taus qhov cuam tshuam thawj zaug ntawm cov hlau molten.
2. Lub Plhaub Tom Qab (Muab Tag Nrho Lub Zog thiab Kev Ua Pa Tau)
Kev Ua Haujlwm:Lub plhaub tom qab yog ib qho qauv ntau txheej sab nraum txheej saum npoo. Nws txhawb nqa lub zog tag nrho ntawm lub plhaub pwm (tiv thaiv kev hloov pauv lossis kev tawg thaum lub sijhawm nchuav) thaum ua kom muaj cua nkag tau (tso cov pa tawm ntawm qhov thiab tiv thaiv porosity hauv qhov casting).
3. Cov Ntawv Thov Tshwj Xeeb rau Kev Ua Castings Uas Xav Tau Ntau
Cov hlau castings kub siab:xws li cov hniav turbine ntawm lub cav dav hlau (qhov kub ntawm 1500-1600 ° C), xav kom lub plhaub pwm tiv taus qhov kub thiab txias heev. Mullite xuab zeb qhov refractoriness siab tuaj yeem hloov cov xuab zeb zircon kim dua (melting point 2550 ° C, tab sis kim), ua tau raws li qhov yuav tsum tau ua kom kub thiab txias thaum txo cov nqi.
Rau cov hlau reactive castings:xws li cov hlau txhuas thiab cov hlau magnesium (uas muaj zog heev thiab yooj yim cuam tshuam nrog SiO₂ hauv cov xuab zeb quartz los tsim cov khoom suav nrog), mullite xuab zeb lub zog tshuaj lom neeg tuaj yeem txo qhov ua haujlwm thiab tiv thaiv kev tsim cov "oxidation inclusions" hauv qhov casting.
Rau cov castings loj precision:xws li cov tsev rau lub tshuab cua turbine gearbox (uas tuaj yeem hnyav ntau tons), lub plhaub pwm xav tau lub zog siab dua. Cov txheej txheem thaub qab uas tsim los ntawm mullite xuab zeb thiab binder yog lub zog siab, txo qhov kev pheej hmoo ntawm pwm nthuav dav thiab vau.
4. Ua ke nrog lwm cov khoom siv refractory
Hauv kev tsim khoom tiag tiag, mullite xuab zeb feem ntau siv ua ke nrog lwm cov ntaub ntawv los ua kom zoo dua pwm plhaub kev ua tau zoo:
Kev sib xyaw nrog cov xuab zeb zircon:Xuab zeb zircon siv ua txheej saum npoo (kom paub tseeb tias qhov chaw tiav zoo dua) thiab xuab zeb mullite ua txheej thaub qab (kom txo cov nqi). Qhov no haum rau cov castings nrog qhov xav tau ntawm qhov chaw siab heev, xws li cov khoom siv aerospace.
Ua ke nrog cov xuab zeb quartz:Rau cov castings nrog qhov kub qis dua (xws li tooj liab alloy, melting point 1083 ℃), nws tuaj yeem hloov qee qhov quartz xuab zeb thiab siv qhov nthuav dav qis ntawm mullite xuab zeb los txo cov plhaub tawg.
| Cov Txheej Txheem Siv Rau Kev Ua Kom Zoo Nkauj Casting Plhaub | ||
| Cov slurry dav dav, zirconium hmoov | 325 mesh + silica sol | Xuab zeb: xuab zeb zirconium 120 mesh |
| Cov kua nplaum tom qab | 325 mesh + silica sol + mullite hmoov 200 mesh | Xuab zeb: xuab zeb mullite 30-60 mesh |
| Txheej txhawb zog | Mullite hmoov 200 mesh + silica sol | Xuab zeb: xuab zeb mullite 16-30 mesh |
| Cov kua nplaum kaw | Mullite hmoov 200 mesh + silica sol | _ |
Cov Ntaub Ntawv Txog Lub Tuam Txhab
Shandong Robert New Material Co., Ltd.nyob hauv Zibo City, Shandong xeev, Suav teb, uas yog lub hauv paus tsim cov khoom siv refractory. Peb yog ib lub tuam txhab niaj hnub uas koom ua ke kev tshawb fawb thiab kev txhim kho, kev tsim khoom, kev muag khoom, kev tsim kho qhov cub, thev naus laus zis, thiab kev xa tawm cov khoom siv refractory. Peb muaj cov khoom siv tiav, thev naus laus zis siab heev, lub zog muaj zog, cov khoom zoo heev, thiab lub koob npe zoo. Peb lub Hoobkas npog ntau dua 200 daim av thiab cov khoom tsim tawm txhua xyoo yog kwv yees li 30000 tons thiab cov khoom siv refractory tsis muaj duab yog 12000 tons.
Peb cov khoom tseem ceeb ntawm cov ntaub ntawv refractory suav nrog: cov ntaub ntawv alkaline refractory; txhuas silicon refractory cov ntaub ntawv; cov ntaub ntawv refractory tsis zoo li qub; rwb thaiv tsev thermal refractory cov ntaub ntawv; cov ntaub ntawv refractory tshwj xeeb; cov ntaub ntawv refractory ua haujlwm rau cov txheej txheem casting tas mus li.
Cov Lus Nug Feem Ntau
Xav tau kev pab? Nco ntsoov mus saib peb cov rooj sib tham txhawb nqa kom tau cov lus teb rau koj cov lus nug!
Peb yog cov chaw tsim khoom tiag tiag, peb lub Hoobkas tshwj xeeb hauv kev tsim cov khoom siv refractory rau ntau tshaj 30 xyoo. Peb cog lus tias yuav muab tus nqi zoo tshaj plaws, qhov kev pabcuam ua ntej muag thiab tom qab muag zoo tshaj plaws.
Rau txhua txoj kev tsim khoom, RBT muaj lub kaw lus QC tiav rau cov tshuaj lom neeg thiab cov khoom siv lub cev. Thiab peb yuav sim cov khoom, thiab daim ntawv pov thawj zoo yuav raug xa nrog cov khoom. Yog tias koj muaj cov kev xav tau tshwj xeeb, peb yuav sim peb qhov zoo tshaj plaws los pab txhawb lawv.
Nyob ntawm seb muaj pes tsawg, peb lub sijhawm xa khoom txawv. Tab sis peb cog lus tias yuav xa khoom sai li sai tau nrog kev lees paub zoo.
Tau kawg, peb muab cov qauv dawb.
Yog, tau kawg, koj tuaj yeem mus xyuas RBT lub tuam txhab thiab peb cov khoom.
Tsis muaj kev txwv, peb tuaj yeem muab cov lus qhia zoo tshaj plaws thiab kev daws teeb meem raws li koj qhov xwm txheej.
Peb tau ua cov khoom siv refractory rau ntau tshaj 30 xyoo, peb muaj kev txhawb nqa kev txawj ntse thiab kev paub nplua nuj, peb tuaj yeem pab cov neeg siv khoom tsim cov cub tawg sib txawv thiab muab kev pabcuam ib zaug.
