Mullite Sand
Zambiri Zamalonda
Mchenga wa mullitendi aluminium silicate refractory material, yomwe imagwiritsidwa ntchito poponyera zitsulo zosapanga dzimbiri. The refractoriness ndi pafupifupi 1750 madigiri. Kukwera kwa aluminiyumu mumchenga wa mullite, kutsika kwachitsulo, ndi fumbi laling'ono, kumapangitsa kuti mchenga wa mullite ukhale wabwino. Mchenga wa mullite umapangidwa ndi kutentha kwambiri kwa kaolin.
Mawonekedwe:
1. Malo osungunuka kwambiri, nthawi zambiri pakati pa 1750 ndi 1860°C.
2. Kukhazikika kwabwino kwa kutentha kwapamwamba.
3. Coefficient yowonjezera yowonjezera kutentha.
4. Kukhazikika kwamphamvu kwamankhwala.
5. Kugawidwa koyenera kwa tinthu tating'onoting'ono kumalola kusankha ndikusintha kutengera njira zosiyanasiyana zoponyera komanso zofunikira zoponya.
Mndandanda wazinthu
| Kufotokozera | Sukulu ya Mgonero | Gulu 1 | Gulu 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% |
| Soda wakuda | ≤0.5% | ≤0.5% | ≤0.7% |
| Kuchulukana Kwambiri | ≥2.5g/cm3 | ≥2.5g/cm3 | ≥2.45g/cm3 |
Mapulogalamu
Pakatikati pa kuponyera mwatsatanetsatane ndi kupanga chipolopolo cha nkhungu (njira yopaka patani ya sera ndi zigawo zingapo za zinthu zokanirira kuti apange chigoba chakunja. Phukusi likasungunuka, pamakhala chibowo chothira chitsulo chosungunuka). Mchenga wa mullite umagwiritsidwa ntchito makamaka ngati chophatikizira mu chipolopolo cha nkhungu ndipo umagwiritsidwa ntchito pazigawo zosiyanasiyana za chipolopolo, makamaka motere:
1. Surface Shell (Imatsimikizira Mwachindunji Ubwino wa Kutulutsa Kwapamwamba)
Ntchito:Zosanjikiza zapamtunda zimalumikizana mwachindunji ndi kuponyera ndipo ziyenera kuonetsetsa kuti pamakhala zosalala pamwamba (kupewa roughness ndi pitting) komanso kupirira kukhudzidwa koyamba kwachitsulo chosungunuka.
2. Back Shell (Imapereka Mphamvu Zonse ndi Kupuma)
Ntchito:Chigoba chakumbuyo ndi mawonekedwe amitundu yambiri kunja kwa pamwamba. Imathandizira mphamvu yonse ya chipolopolo cha nkhungu (kuteteza kupindika kapena kugwa panthawi yothira) ndikuwonetsetsa kupuma (kutulutsa mpweya kuchokera pabowo ndikuletsa porosity pakuponya).
3. Ntchito Zapadera za Castings Zofunika Kwambiri
High-temperature alloy castings:monga turbine injini masamba (kutsanulira kutentha kwa 1500-1600 ° C), amafuna nkhungu chipolopolo kupirira kutentha kwambiri. Mchenga wa mullite wosasunthika kwambiri ungathe kulowa m'malo mwa mchenga wa zircon wokwera mtengo kwambiri (wosungunuka 2550 ° C, koma wokwera mtengo), kukwaniritsa zofunikira zokana kutentha kwinaku mukuchepetsa mtengo.
Kwa reactive metal castings:monga zitsulo za aluminiyamu ndi ma magnesium alloys (omwe amawotchera kwambiri komanso amachitira mosavuta ndi SiO₂ mu mchenga wa quartz kuti apange ma inclusions), kukhazikika kwa mankhwala a mchenga wa mullite kungachepetse reactivity ndikuletsa kupanga "oxidation inclusions" mu kuponyera.
Kwa ma castings olondola kwambiri:monga ma turbine gearbox housings (omwe amatha kulemera matani angapo), chipolopolo cha nkhungu chimafuna mphamvu zapamwamba kwambiri. Chigawo chothandizira chomwe chimapangidwa ndi mchenga wa mullite ndi binder ndipamwamba-mphamvu, kuchepetsa chiopsezo cha kukula kwa nkhungu ndi kugwa.
4. Kuphatikiza ndi Zida Zina Zotsutsa
Pakupanga kwenikweni, mchenga wa mullite nthawi zambiri umagwiritsidwa ntchito limodzi ndi zida zina kuti akwaniritse bwino chipolopolo cha nkhungu:
Kuphatikiza ndi mchenga wa zircon:Mchenga wa zircon umagwiritsidwa ntchito ngati wosanjikiza pamwamba (kuonetsetsa kutha kwapamwamba pamwamba) ndi mchenga wa mullite ngati gawo lothandizira (kuchepetsa ndalama). Izi ndizoyenera zopanga zokhala ndi zofunikira zapamwamba kwambiri, monga zida zammlengalenga.
Kuphatikiza ndi mchenga wa quartz:Kwa ma castings okhala ndi kutentha kochepa (monga aloyi yamkuwa, malo osungunuka 1083 ℃), amatha kusintha mchenga wa quartz pang'ono ndikugwiritsa ntchito kukulitsa kwa mchenga wa mullite kuchepetsa ming'alu ya zipolopolo.
| Njira Yothandizira Kupanga Chipolopolo Cholondola | ||
| Ambiri pamwamba slurry, zirconium ufa | 325 mauna + silika Sol | Mchenga: mchenga wa zirconium 120 mauna |
| Back wosanjikiza slurry | 325 mauna + silika sol + mullite ufa 200 mauna | Mchenga: mchenga wa mullite 30-60 mesh |
| Kulimbitsa wosanjikiza | Mullite ufa 200 mesh + silika Sol | Mchenga: mchenga wa mullite 16-30 mesh |
| Kusindikiza slurry | Mullite ufa 200 mesh + silika Sol | _ |
Mbiri Yakampani
Malingaliro a kampani Shandong Robert New Material Co., Ltd.ili mu Zibo City, Province Shandong, China, amene ndi refractory zinthu kupanga m'munsi. Ndife makampani amakono omwe amaphatikiza kafukufuku ndi chitukuko, kupanga, kugulitsa, kapangidwe ka ng'anjo ndi zomangamanga, ukadaulo, ndi zida zotumizira kunja. Tili ndi zida zonse, ukadaulo wapamwamba, mphamvu zolimba zaukadaulo, mtundu wabwino kwambiri wazinthu, komanso mbiri yabwino. Fakitale yathu imakhala ndi maekala opitilira 200 ndipo zotulutsa zowoneka bwino zowoneka bwino zimakhala pafupifupi matani 30000 ndipo zida zosapanga dzimbiri ndi matani 12000.
Zogulitsa zathu zazikulu zazinthu zokanira zikuphatikizapo: zinthu zamchere zotsutsa; zotayidwa silicon refractory zipangizo; zinthu zosapanganika zokanira; kutchinjiriza matenthedwe refractory zipangizo; zida zapadera zokanira; zinchito refractory zipangizo mosalekeza kuponya kachitidwe.
Mafunso Ofunsidwa Kawirikawiri
Mukufuna thandizo? Onetsetsani kuti mwayendera mabwalo athu othandizira kuti mupeze mayankho a mafunso anu!
Ndife opanga zenizeni, fakitale yathu ndi yapadera popanga zida zokanira kwa zaka zopitilira 30. Timalonjeza kupereka mtengo wabwino kwambiri, ntchito yabwino kwambiri yogulitsiratu komanso yogulitsa pambuyo pake.
Panjira iliyonse yopanga, RBT ili ndi dongosolo lathunthu la QC la kapangidwe kake ndi zinthu zakuthupi. Ndipo tidzayesa katunduyo, ndipo chiphaso chabwino chidzatumizidwa ndi katunduyo. Ngati muli ndi zofunikira zapadera, tidzayesetsa kuti tikwaniritse.
Malingana ndi kuchuluka kwake, nthawi yathu yoperekera ndi yosiyana. Koma tikulonjeza kutumiza mwamsanga ndi khalidwe lotsimikizika.
Inde, timapereka zitsanzo zaulere.
Inde, ndithudi, ndinu olandiridwa kukaona RBT kampani ndi katundu wathu.
Palibe malire, titha kukupatsani malingaliro ndi yankho labwino kwambiri malinga ndi momwe mulili.
Takhala tikupanga zida zokanira kwazaka zopitilira 30, tili ndi chithandizo champhamvu chaukadaulo komanso chidziwitso cholemera, titha kuthandiza makasitomala kupanga ma kilns osiyanasiyana ndikupereka ntchito imodzi.
