Dothi Losasinthika
Mtondo wosasunthikandi chinthu chomangira chomwe chingagwiritsidwe ntchito kapena chosakanikirana ndi malo omwe chimapangidwa mwapadera kuti chiyike, kulumikiza ndi kulumikiza njerwa zosiyanasiyana zomangira m'mafakitale ndi ma uvuni otentha kwambiri. Chimagwira ntchito ngati chomangira komanso chomangira chofunikira, kuonetsetsa kuti kapangidwe kake ndi kolimba, kutentha ndi kusalowa mpweya kwa mawaya omangira omangira omwe amamangira kutentha kwambiri, dzimbiri komanso kupsinjika kwa makina.
Magulu Ofunika a Zamalonda
1. Ndi Mtundu Wogwirizanitsa Mankhwala
* Dothi Losagwira Ntchito Lokhala ndi Mabatani a Dongo:Yotsika mtengo, yogwiritsidwa ntchito pomanga nyumba zotentha kwambiri, yogwirizana ndi njerwa zouma zouma
* Chomera Chopanda Aluminiyamu Yambiri:Kulimba kwambiri, kumamatira mwamphamvu, kofanana ndi njerwa za alumina zapamwamba pa ng'anjo zapakati ndi zolemera
* Mtondo Wosakhazikika Wokhala ndi Silicate-Bonded Refractory:Kukana kwabwino kwambiri kwa alkali, kokhazikika pa kutentha kwapakati, kapangidwe kosavuta
* Mtondo Wosakhazikika wa Phosphate-Bonded:Mphamvu yayikulu mukatha kutentha, yabwino kwambiri pa kutentha kwakukulu
2. Ndi Kutentha kwa Ntchito
* Kalasi Yotsika-Yapakati Yotentha:≤1200°C, yoyenera ma boiler, ma incinerator, ndi ma heat heater
* Kalasi Yotentha Kwambiri:1200–1650°C, ya uvuni zopangira zitsulo, ma uvuni a coke, ma uvuni ozungulira a simenti, ma uvuni osungunula magalasi
* Kalasi Yotentha Kwambiri:≥1650°C, ya zida zapadera zosungunulira zitsulo, zosagwiritsa ntchito chitsulo
3. Ndi Boma Logwira Ntchito
* Chokometsera cha Pulasitiki Chosapanga Mpweya:Phala losakaniza bwino, logwiritsidwa ntchito mwachindunji, silikufunika kusakaniza pamalopo
* Ufa Wouma Wopanda Mtondo:Sakanizani ndi madzi/chomangira pamalopo, kusinthasintha kosinthika, nthawi yayitali yosungira
Ubwino Wapamwamba wa Zamalonda:
1. Kulimba Kwambiri kwa Refractoribility:RON ≥1580°C, magwiridwe antchito okhazikika pa kutentha kosalekeza
2. Mphamvu Yogwirizana Kwambiri:Mabatani olimba a njerwa, palibe ming'alu kapena kuphulika kwa nthaka chifukwa cha kutentha
3. Kukana Kwambiri Kugwedezeka kwa Matenthedwe:Imapirira kutentha/kuzizira mofulumira, imatalikitsa moyo wa ntchito ya padenga
4. Kukhazikika kwa Volume Yabwino:Kuuma pang'ono ndi kuwotcha, palibe mipata yolumikizirana
5. Chosalowa mpweya komanso cholimbana ndi dzimbiri:Zimaletsa kutuluka kwa mpweya wotentha, zimalimbana ndi dzimbiri, asidi ndi alkali
6. Kapangidwe Kosavuta:Kukonza matayala mosalala, kapangidwe kachangu, koyenera kugwiritsidwa ntchito pamanja komanso pogwiritsa ntchito makina ochepa
7. Ma formula Osinthika:Yopangidwira mitundu yosiyanasiyana ya uvuni, zipangizo za njerwa ndi momwe zimagwirira ntchito
| Mndandanda | Dongo | Aluminiyamu Wapamwamba | ||||
| RBTMN-42 | RBTMN-45 | RBTMN-55 | RBTMN-65 | RBTMN-75 | ||
| Refractorines(℃) | 1700 | 1700 | 1720 | 1720 | 1750 | |
| CCS/MOR(MPa)≥ | 110℃×24h | 1.0 | 1.0 | 2.0 | 2.0 | 2.0 |
| 1400℃×3h | 3.0 | 3.0 | 4.0 | 4.0 | 4.0 | |
| Nthawi Yogwirizanitsa (mphindi) | 1~2 | 1~2 | 1~2 | 1~2 | 1~2 | |
| Al2O3(%) ≥ | 42 | 45 | 55 | 65 | 75 | |
| SiO2(%) ≥ | — | — | — | — | — | |
| MgO(%) ≥ | — | — | — | — | — | |
| Mndandanda | Corundum | Silika | Wopepuka | ||
| RBTMN-85 | RBTMN-90 | RBTMN-90 | RBTMN-50 | ||
| Refractorines(℃) | 1800 | 1820 | 1670 | | |
| CCS/MOR(MPa)≥ | 110℃×24h | 2.0 | 2.0 | 1.0 | 0.5 |
| 1400℃×3h | 3.5 | 3.0 | 3.0 | 1.0 | |
| Nthawi Yogwirizanitsa (mphindi) | 1~3 | 1~3 | 1~2 | 1~2 | |
| Al2O3(%) ≥ | 85 | 90 | — | 50 | |
| SiO2(%) ≥ | — | — | 90 | — | |
| MgO(%) ≥ | — | — | — | — | |
| Mndandanda | Magnesia | |||
| RBTMN-92 | RBTMN-95 | RBTMN-95 | ||
| Refractorines(℃) | 1790 | 1790 | 1820 | |
| CCS/MOR(MPa)≥ | 110℃×24h | 1.0 | 1.0 | 1.0 |
| 1400℃×3h | 3.0 | 3.0 | 3.0 | |
| Nthawi Yogwirizanitsa (mphindi) | 1~3 | 1~3 | 1~3 | |
| Al2O3(%) ≥ | — | — | — | |
| SiO2(%) ≥ | — | — | — | |
| MgO(%) ≥ | 92 | 95 | 97 | |
1. Dothi Losapanga Dongo Lokhala ndi Mpweya Wosapanga Dongo
Mapulogalamu Ofunika:Yoyenera kuyika njerwa zouma zopangidwa ndi dongo m'malo otentha ≤1350℃, monga magawo otentha a uvuni zamafakitale, ma flue, ma chimney, magawo otsika a ma hot blast stove regenerators, ndi ma boiler linings—zonsezi zili m'malo otentha pang'ono, kutentha kwapakati mpaka kotsika.
Mawonekedwe:Mtengo wotsika, wosavuta kugwira ntchito, wokana kutentha ndi kuzizira mwachangu; si woyenera malo osungunuka ndi matope osungunuka kwambiri/malo owononga kwambiri.
2. Mtondo wothira aluminiyamu wambiri
Ntchito zazikulu:NM-50/NM-60: Yoyenera njerwa zokhala ndi aluminiyamu yambiri (Al₂O₃ 55%~65%), zomwe zimagwiritsidwa ntchito mu gawo la kutentha kwapakati pa ma uvuni (1350~1500℃), monga ma uvuni a ceramic, ma uvuni otenthetsera zitsulo, ndi malo osinthira a simenti ozungulira; NM-70/NM-75: Yoyenera njerwa zokhala ndi aluminiyamu yambiri (Al₂O₃ ≥70%) kapena njerwa za corundum, zomwe zimagwiritsidwa ntchito mu gawo la kutentha kwambiri (1500~1700℃), monga ma linings a blast furnace, ma tapholes osinthira zitsulo, ma regenerator a glass kiln, ndi ma linings a calcium carbide furnace.
Mawonekedwe:Kulimba kwambiri, kukana kwabwino kwa matope poyerekeza ndi matope opangidwa ndi dongo; kuchuluka kwa Al₂O₃ kukakhala kwakukulu, kukana kutentha kwambiri komanso kukana kukokoloka kwa nthaka kumakhala kolimba.
3. Silika Refractory Mota
Ntchito Zazikulu:Zimagwirizana ndi njerwa za silica, zomwe zimapangidwa makamaka kuti zikhale ndi asidi monga ma uvuni a coke, makoma a uvuni wagalasi/makoma a chifuwa, ndi ng'anjo zopangira zitsulo zokhala ndi asidi. Kutentha kwa nthawi yayitali: 1600~1700℃.
Mawonekedwe:Yolimba ku kukokoloka kwa asidi; imagwirizana bwino ndi njerwa za silika, koma imakana bwino alkali; yoletsedwa kugwiritsa ntchito mu uvuni za alkaline.
4. Massica / Magnesium-chrome Refractory Mortar
Ntchito Zazikulu: Massica:Zimagwirizana ndi njerwa za magnesia; zimagwiritsidwa ntchito m'malo okhala ndi matope amchere monga ma converter a alkaline steelmaking, makoma a ng'anjo yamagetsi, ndi ma ng'anjo zosungunulira zitsulo zopanda chitsulo.
Magnesium-chrome:Zimagwirizana ndi njerwa za magnesia-chrome; zimagwiritsidwa ntchito m'malo otentha kwambiri okhala ndi kukokoloka kwa alkaline monga malo oyaka moto a simenti, zotenthetsera zinyalala, ndi uvuni wosungunula zitsulo wopanda chitsulo.
Mawonekedwe:Kukana kwambiri kwa alkaline slag, koma kukana kofooka kutentha ndi kuzizira mwachangu; kutsatira malamulo a chilengedwe ndikofunikira pa magnesia-chrome refractory slurry (madera ena amaletsa kutulutsa kwa hexavalent chromium).
5. Silikoni carbide matope oletsa kuuma
Ntchito zazikulu:Yoyenera njerwa za silicon carbide/njerwa za silicon carbide zolumikizidwa ndi silicon nitride, zomwe zimagwiritsidwa ntchito mumlengalenga wotentha kwambiri, wosawonongeka, komanso wochepetsera kutentha monga malo opumira ng'anjo, zingwe zachitsulo, mapaipi okweza ng'anjo, ndi zipinda zina zoyatsira zinyalala.
Mawonekedwe:Mphamvu yoyendera kutentha kwambiri, kukana kuwonongeka kwambiri, kukana kusungunuka kwa okosijeni kutentha kwambiri, komanso nthawi yogwira ntchito bwino kuposa matope achikhalidwe a dongo/alumina.
6. Simenti yopanda simenti/simenti yolimba
Ntchito zazikulu:Yoyenera kupangira grouting/masonry a zinthu zophikidwa zopanda simenti/simenti kapena njerwa zooneka ngati refractory, zomwe zimagwiritsidwa ntchito popangira ma integral casting lining a ma uvuni akuluakulu a mafakitale komanso kupangira ma uvuni otenthedwa kwambiri (monga ma uvuni agalasi ndi ma uvuni amagetsi achitsulo), ndi kutentha kwa ntchito kwa 1400~1800℃.
Mawonekedwe:Madzi ochepa, kuchulukana kwambiri komanso mphamvu pambuyo poyatsa, palibe mavuto okulirapo omwe amayambitsidwa ndi madzi a simenti, komanso kukana kukokoloka kwa nthaka bwino.
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.
