Njerwa za Chitsulo Choyenda
Njerwa zachitsulo zoyendatchulani njerwa zopanda kanthu zomwe zimayikidwa m'mizere ya mbale yoyambira ya ingot kuti zilumikize njerwa zachitsulo zoyenda ndi nkhungu ya ingot, yomwe imadziwika kuti njerwa yothamanga. Imagwiritsidwa ntchito makamaka kuchepetsa kukana kwa kuyenda kwa chitsulo chosungunuka ndikuletsa kutayikira kwa chitsulo. Makhalidwe akuluakulu ndi monga kukana kutentha kwambiri, kukana kuwonongeka, kusinthasintha kwa madzi, kuyika kosavuta komanso kukana moto bwino.
1. Gulu ndi zinthu:
Dongo: (1)Uwu ndiye mtundu wosavuta kwambiri wa njerwa zachitsulo zoyenda, zopangidwa ndi dongo wamba. Ngakhale mtengo wake ndi wotsika, ndi wofooka pakulimbana ndi moto komanso nthawi yogwira ntchito, ndipo ndi woyenera mphero zazing'ono zachitsulo kapena zogwiritsidwa ntchito kwakanthawi.
(2) Aluminiyamu yapamwamba:Njerwa yachitsulo iyi imakhala ndi aluminiyamu yambiri, imakhala yolimba kwambiri pamoto, ndipo imatha kukhala yolimba m'malo otentha kwambiri. Nthawi zambiri imagwiritsidwa ntchito m'mabizinesi akuluakulu achitsulo, makamaka popanga zitsulo zomwe zimafunika kupirira kutentha kwambiri kwa nthawi yayitali.
(3) Zambiri:Makristalo okhala ngati singano pamwamba amakhala ndi mawonekedwe ofanana, omwe amatha kuletsa kuwonongeka kwa nthaka ndi chitsulo chosungunuka. Pakadali pano ndi chinthu chofunikira kwambiri.
2. Kugawa m'magulu malinga ndi ntchito:
(1) Njerwa Zapakati
Imagwiritsidwa ntchito pakati pa chitsulo chosungunuka, chothandizira njira yoyendera ndipo chimafuna kukwera kwakukulu
kukana kuuma ndi kukana kukokoloka kwa nthaka.
(2) Njerwa Zogawira Zitsulo
Amagwiritsidwa ntchito posinthira chitsulo chosungunuka kupita ku nkhungu zosiyanasiyana. Mafotokozedwe ofanana ndi mabowo awiri, atatu, ndi anayi, kutengera zomwe zimafunika pa ndondomekoyi.
(3) Njerwa Zam'mbuyo
Zili kumapeto kwa dongosolo la kayendedwe ka chitsulo, zimapirira kugwedezeka ndi chitsulo chosungunuka ndi kutentha kwambiri ndipo zimafuna kulimba kuti zisasweke.
1. Kukana kutentha kwambiri
Amatha kupirira kutentha kwakukulu kwa 1500–1700℃ kwa chitsulo chosungunuka kwa nthawi yayitali. Mwachitsanzo, njerwa zopangidwa ndi mullite zimakhala ndi mphamvu yolimba kuposa 1780℃, zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito popangira zinthu zotentha kwambiri.
2. Kukana kukokoloka kwa nthaka mwamphamvu
Ndi kapangidwe kolimba komanso kolimba kwambiri, njerwa zoponyedwa zimatha kupirira kukanda kwamphamvu komwe kumachitika chifukwa cha kuyenda kwa chitsulo chosungunuka mwachangu, zomwe zimachepetsa kuwonongeka ndi kung'ambika panthawi yogwira ntchito.
3. Kukana dzimbiri kwabwino kwambiri
Zitha kupirira kuwonongeka kwa mankhwala kuchokera ku chitsulo chosungunuka ndi zinthu zosiyanasiyana zotsalira. Mapangidwe osiyanasiyana a zinthu amasinthidwa kuti agwirizane ndi momwe ntchito ikuyendera.
4. Kukana bwino kutentha kwa kutentha
Amatha kupirira kusinthasintha kwa kutentha mofulumira panthawi yopangira popanda kusweka kapena kuphulika.
5. Kuipitsidwa kochepa ndi chitsulo chosungunuka
Kapangidwe kake kokhuthala kamachepetsa kusweka ndi kutayika kwa tinthu, kupewa kuyika zinyalala mu chitsulo chosungunuka ndikuwonetsetsa kuti zinthu zomaliza zachitsulo zimakhala zoyera komanso zabwino.
6. Kulondola kolondola kwa miyeso
Zili ndi njira zosalala zamkati, mawonekedwe akunja okhazikika, komanso kulekerera kolimba. Izi zimathandizira kuti zolumikizira zisasokonekere bwino panthawi yoyika, zimachepetsa kukana kwa chitsulo chosungunuka, komanso zimapewa ngozi zotayikira kwa chitsulo.
| Dongo ndi Aluminiyamu Wapamwamba | |||||||
| Chinthu | RBT-80 | RBT-75 | RBT-70 | RBT-65 | RBT-55 | RBT-48 | RBT-40 |
| Al2O3(%) ≥ | 80 | 75 | 70 | 65 | 55 | 48 | 40 |
| Kuoneka ngati Porosity (%) ≤ | 21(23) | 24(26) | 24(26) | 24(26) | 22(24) | 22(24) | 22(24) |
| Mphamvu Yopondereza Yozizira (MPa) ≥ | 70(60) 60(50) | 60(50) 50(40) | 55(45) 45(35) | 50(40) 40(30) | 45(40) 35(30) | 40(35) 35(30) | 35(30) 30(25) |
| 0.2MPa Kusagwira Ntchito Pansi pa Katundu (℃) ≥ | 1530 | 1520 | 1510 | 1500 | 1450 | 1420 | 1400 |
| Kusintha Kokhazikika kwa Linear (%) | 1500℃*2h | 1500℃*2h | 1450℃*2h | 1450℃*2h | 1450℃*2h | 1450℃*2h | 1450℃*2h |
| -0.4~0.2 | -0.4~0.2 | -0.4~0.1 | -0.4~0.1 | -0.4~0.1 | -0.4~0.1 | -0.4~0.1 | |
| Mullite | ||
| Chinthu | JM-70 | JM-62 |
| Al2O3(%) ≥ | 70 | 62 |
| Fe2O3(%) ≤ | 1.8 | 1.5 |
| Kusakhazikika kwa mpweya (℃) ≥ | 1780 | 1760 |
| Kuoneka ngati Porosity (%) ≤ | 28 | 26 |
| Mphamvu Yopondereza Yozizira (MPa) ≥ | 25 | 25 |
| Kusintha Kokhazikika kwa Liniya (1500℃ * 2h)(%) | -0.1~+0.4 | -0.1~+0.4 |
Njerwa zachitsulo zoyendaamagwiritsidwa ntchito makamaka pokonza pansi, ngati njira yoti chitsulo chosungunuka chiziyenda kuchokera mu ndowa kupita ku nkhungu za ingot, kuonetsetsa kuti chitsulo chosungunukacho chikufalikira bwino ku nkhungu iliyonse ya ingot.
Ntchito Yaikulu
Njerwa zachitsulo zoyenda, kudzera mkati mwake mopanda kanthu, zimaonetsetsa kuti chitsulo chosungunuka chikuyenda molunjika, zomwe zimachiteteza kuti chisakhudze mwachindunji mawonekedwe a ingot ndikuchepetsa kuwonongeka kwa kapangidwe kake komwe kumachitika chifukwa cha kutentha kwambiri komwe kumachitika pamalopo. Kuphatikiza apo, mphamvu zawo zotsutsana zimawalola kupirira kukhudzidwa kwakuthupi ndi zochita za mankhwala za chitsulo chosungunuka chotentha kwambiri, zomwe zimaletsa zinyalala kulowa muchitsulocho ndikukhudza ubwino wake.
Mafunso Ofunsidwa Kawirikawiri
Mukufuna thandizo? Onetsetsani kuti mwapita ku malo athu othandizira kuti mupeze mayankho a mafunso anu!
Ndife opanga enieni, fakitale yathu yakhala ikupanga zinthu zotsutsa kwa zaka zoposa 30. Tikulonjeza kupereka mtengo wabwino kwambiri, ntchito yabwino kwambiri yogulitsa zinthu zisanagulitsidwe komanso zitagulitsidwa.
Pa njira iliyonse yopangira, RBT ili ndi dongosolo lathunthu la QC la kapangidwe ka mankhwala ndi mawonekedwe ake. Ndipo tidzayesa katunduyo, ndipo satifiketi yaubwino idzatumizidwa ndi katunduyo. Ngati muli ndi zofunikira zapadera, tidzayesetsa momwe tingathere kuti zigwirizane nazo.
Kutengera kuchuluka kwa katundu, nthawi yathu yotumizira ndi yosiyana. Koma tikulonjeza kutumiza mwachangu momwe tingathere ndi mtundu wotsimikizika.
Inde, timapereka zitsanzo zaulere.
Inde, ndithudi, mwalandiridwa kupita ku kampani ya RBT ndi zinthu zathu.
Palibe malire, titha kupereka malingaliro abwino kwambiri komanso yankho malinga ndi momwe zinthu zilili.
Takhala tikupanga zinthu zopinga kwa zaka zoposa 30, tili ndi chithandizo champhamvu chaukadaulo komanso chidziwitso chambiri, titha kuthandiza makasitomala kupanga ma uvuni osiyanasiyana ndikupereka chithandizo chimodzi chokha.
