Mu malo otentha kwambiri komanso owononga kwambiri popanga simenti, magwiridwe antchito a zida zotenthetsera amatsimikiza mwachindunji momwe ntchito ikuyendera, chitetezo cha ntchito, komanso kuwongolera ndalama. Monga gawo lofunikira kwambiri la kutentha, ubwino wa machubu oteteza thermocouple ndi machubu osinthira kutentha ndi wofunikira kwambiri. Lero, tikuyambitsa chinthu chosintha kwambiri cha mafakitale a simenti padziko lonse lapansi:machubu a microcrystalline a silicon carbide— yopangidwa kuti ipirire mikhalidwe yovuta kwambiri ndikukweza kupanga kwanu simenti kufika pamlingo watsopano.
Chifukwa Chake Machubu a Silicon Carbide Microcrystalline Ndi Ofunika Kwambiri pa Zomera za Simenti
Kupanga simenti kumaphatikizapo njira zovuta monga kusungunuka kwa zinthu zopangira, kupopera kwa clinker, ndi kupukusa simenti, komwe maulalo ofunikira monga uvuni wozungulira, chotenthetsera, ndi choziziritsira amagwira ntchito kutentha kopitilira 1200°C. Machubu achitsulo kapena a ceramic achikhalidwe nthawi zambiri amawonongeka mwachangu, dzimbiri, kapena kulephera kutentha, zomwe zimapangitsa kuti asinthidwe pafupipafupi, nthawi yosakonzekera, komanso ndalama zowonjezera zosamalira. Machubu a silicon carbide microcrystalline, omwe ali ndi mawonekedwe awo apadera, amathetsa bwino mavuto awa.
Ubwino Waukulu wa Machubu Athu a Silicon Carbide Microcrystalline
1. Kukana Kwambiri Kutentha Kwambiri
Machubu athu a silicon carbide microcrystalline ali ndi kutentha kopitirira 2700°C ndipo amatha kugwira ntchito mokhazikika kwa nthawi yayitali kutentha kofika 1600°C. Ngakhale kutentha kwambiri kwa malo oyaka moto a uvuni wozungulira, amasunga kapangidwe kake popanda kusintha kapena kusweka. Izi zimatsimikizira kuyeza kodalirika kwa kutentha ndi magwiridwe antchito osinthira kutentha, kuchotsa chiopsezo cha kulephera kwa zida chifukwa cha kuwonongeka kwa kutentha kwambiri.
2. Kukana Kwambiri Kuvala ndi Kudzimbidwa
Kupanga simenti kumapanga tinthu tambiri tomwe timayabwa (monga ufa wosaphika, clinker, ndi fumbi) ndi mpweya wowononga (monga CO₂, SO₂). Zinthu za silicon carbide microcrystalline zili ndi kuuma kwa Mohs kwa 9.2, yachiwiri kuposa diamondi, zomwe zimapangitsa kuti zisawonongeke kwambiri. Kuphatikiza apo, sizimayamwa ma acid ambiri, alkalis, ndi mpweya wowononga, zomwe zimathandiza kuti machubu azitha kuwonongeka komanso kutalikitsa moyo wawo ndi nthawi 3-5 poyerekeza ndi zinthu zachikhalidwe.
3. Kukana Kwambiri Kutenthedwa ndi Kutentha
Mitengo ya simenti nthawi zambiri imakumana ndi kusintha kwa kutentha mofulumira panthawi yoyambitsa, kuzimitsa, kapena kusintha katundu. Machubu a silicon carbide microcrystalline ali ndi mphamvu yochepa yokulitsa kutentha komanso kukana kutentha kwambiri, zomwe zimatha kupirira kusintha kwadzidzidzi kwa kutentha kopitilira 800°C popanda kusweka. Kapangidwe kameneka kamachepetsa kwambiri kuchuluka kwa kusintha kwa chubu chifukwa cha kutentha, zomwe zimapangitsa kuti ntchito ipitirire.
4. Kulondola kwa Kutentha Kwambiri ndi Kuyeza
Pa machubu oteteza thermocouple, kuyeza kutentha molondola ndikofunikira kwambiri pakukonza njira yoyeretsera calcination. Zinthu za silicon carbide microcrystalline zimakhala ndi kutentha kwabwino kwambiri, kuonetsetsa kuti kutentha komwe kumazindikirika ndi thermocouple kukugwirizana ndi kutentha kwenikweni kwa malo opangira. Izi zimathandiza zomera za simenti kuwongolera bwino njira yoyeretsera, kukonza mtundu wa clinker, ndikuchepetsa kugwiritsa ntchito mphamvu.
Ntchito Zofunika Kwambiri Pakupanga Simenti
Machubu athu a silicon carbide microcrystalline amagwiritsidwa ntchito kwambiri m'malo osiyanasiyana omwe amafunidwa kwambiri m'mafakitale a simenti, kuphatikizapo:
- Chitofu Chozungulira:Monga machubu oteteza thermocouple poyesa kutentha kwa malo oyaka moto ndi malo osinthira, kuonetsetsa kuti uvuni ukugwira ntchito bwino.
- Chotenthetsera ndi Chochotsera Zokometsera:Amagwiritsidwa ntchito ngati machubu osinthira kutentha ndi machubu oyezera kutentha, oletsa kusweka ndi dzimbiri kuchokera ku ufa wosaphika wotentha kwambiri komanso mpweya wotuluka m'madzi.
- Wozizira:Poyezera kutentha ndi kusamutsa kutentha mu ndondomeko yoziziritsa ya clinker, kupirira kukhudzidwa kwa tinthu ta clinker totentha kwambiri.
- Mphepo Yotentha:Monga machubu oteteza kutentha, kusintha kuti agwirizane ndi malo otentha komanso otentha kwambiri a mpweya wotentha.
N’chifukwa Chiyani Muyenera Kusankha Machubu Athu a Silicon Carbide Microcrystalline?
Popeza tagwira ntchito zaka zambiri mu kafukufuku, chitukuko, ndi kupanga zinthu za silicon carbide, timatsatira miyezo yokhwima yowongolera khalidwe kuyambira kusankha zinthu zopangira mpaka kuwunika zinthu zomwe zamalizidwa. Machubu athu a silicon carbide microcrystalline amapangidwa pogwiritsa ntchito ukadaulo wapamwamba woyeretsera, kuonetsetsa kuti kapangidwe ka kristalo ndi kofanana, kachulukidwe kake kapamwamba, komanso magwiridwe antchito okhazikika.
Kuphatikiza apo, timapereka mayankho okonzedwa malinga ndi zosowa za zomera zosiyanasiyana za simenti, kuphatikizapo kukula, mawonekedwe, ndi njira zolumikizirana. Gulu lathu la akatswiri aukadaulo limapereka upangiri wa munthu payekha musanagulitse komanso chithandizo chaukadaulo mukamaliza kugulitsa, kukuthandizani kuthetsa mavuto aliwonse omwe mungakumane nawo munjira yofunsira.
Nthawi yotumizira: Disembala-05-2025
