Magnesium oxide hmoov plays lub luag haujlwm tseem ceeb hauv hluav taws xob cua sov raj

Magnesium oxide hmoov plays lub luag haujlwm tseem ceeb hauv hluav taws xob cua sov raj

Magnesium oxide hmoov muaj ntau heev nyob rau hauv peb lub tshuab hluav taws xob ua lag luam, thiab peb muaj qee qhov kev nkag siab ntawm nws. Nws plays lub luag haujlwm txiav txim siab hauv hluav taws xob cua sov raj. Txhawm rau muab txhua tus neeg muaj kev nkag siab zoo txog lub luag haujlwm ntawm magnesium oxide hmoov hauv hluav taws xob cua sov raj thiab kev paub ntau ntxiv, lub tuam txhab tau sau nws cov ntaub ntawv raws li hauv qab no:

magnesium oxide hmoov yog dab tsi? Magnesium oxide (MgO) feem ntau hu ua magnesite, calcined hmoov, lossis magnesia hmoov. Ceev 2.94, lub teeb daj hmoov. Melting point 2852 degree, boiling point 3600 degree. Soluble nyob rau hauv acids thiab ammonium ntsev, insoluble nyob rau hauv dej thiab ethanol. Qhov tshwj xeeb thaj chaw yog 180m2 / g ntawm calcination kub ntawm 400 degree. Ntawm 1300 degree, thaj chaw tshwj xeeb tsuas yog 3m2 / g. Yooj yim deliquescent hauv huab cua. Nws belongs rau qeb ntawm cov pa nyuaj cementitious cov ntaub ntawv. Magnesium oxide hmoov tau muab faib ua: qib high-grade lubricating roj qib magnesium oxide, qib zaub mov magnesium oxide, qib kho mob magnesium oxide, silicon steel qib magnesium oxide, qib electromagnetic qib magnesium oxide, high-purity magnesium oxide, thiab ib co magnesium oxide. hmoov yog siv los ua cov ntaub ntawv refractory.

Kev lag luam magnesium oxide hmoov siv nyob rau hauv peb kev lag luam yog tsuas yog siv los ua ib qho nruab nrab insulating rau kev ua cua sov ntawm qhov kub thiab txias nyob rau hauv tubular hluav taws xob cua sov Cheebtsam tom qab crushed thiab tov nrog sib txawv particle ntau thiab tsawg los yog cov zauv nyob rau hauv ib tug tej yam kev faib ua feem. Nyob rau hauv hluav taws xob cua sov raj, nws tsuas yog plays lub luag hauj lwm nyob rau hauv kho qhov chaw nruab nrab ntawm cov hlau tsis kam, xyuas kom meej tias cov hlau plhaub tsis electrified (insulated), thiab exporting lub tshav kub generated los ntawm cov kuj hlau. Raws li kev tsim khoom thiab lub hom phiaj tseem ceeb, nws tuaj yeem muab faib ua plaub pawg hauv qab no:

1. Ordinary classification code P

2. Kev faib tawm code D rau hom tsis muaj dej noo-pov thawj

3. Qhov nruab nrab kub thiab noo noo-pov thawj cais code Z

4. Kev faib tawm qhov kub thiab txias code G

Kev ua tau zoo ntawm magnesium oxide hmoov:

1. Thaum ua haujlwm kub, MgO hmoov yuav tsum muaj cov thermal conductivity kom sai sai hloov cov cua sov mus rau saum npoo ntawm lub raj, ua rau cov hlau tsis kam mus ze rau qhov kub ntawm lub raj phab ntsa;

2. Thaum ua haujlwm kub nyob rau hauv 1100 degree, MgO hmoov yuav tsum muaj kev ua haujlwm zoo rwb thaiv tsev;

3. Mgo hmoov yuav tsum muaj qee qhov loj me me, thiab nws cov duab feem ntau yog flaky, raws li lub ntsej muag zoo li, thiab ib feem pua ​​ntawm cov lus. Thaum ntxiv hmoov, nws tsis yooj yim rau kev puas tsuaj rau cov cua sov hlau, kom tsis txhob muaj teeb meem hauv cov hmoov txhaws;

4. MgO hmoov yuav tsum tsis muaj corrosion ntawm cov khoom siv hluav taws xob cua sov thiab cov kav dej hauv qhov qub lossis kub kub.

5. Tus nqi nqus dej ntawm magnesium oxide hmoov yuav tsum tsis pub tshaj cov cai hauv qab no:

1. Hom Hom Tsawg dua lossis sib npaug li 1.5%

2. Hom tsis muaj dej noo-pov thawj Tsawg dua lossis sib npaug rau 0.05%

3. Qhov nruab nrab kub noo-pov thawj hom Tsawg dua lossis sib npaug rau 0.10%

4. Hom kub kub tsawg dua lossis sib npaug rau 0.10%

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