Hnav Resistant Alumina Ceramic Vuas Siv rau Mill Linings

Hnav resistant alumina ceramic vuas siv rau zeb hauv ob sab phlu yog cov khoom siv siab hnav-resistant feem ntau yog aluminium oxide (AL2O3), ntxiv los ntawm lwm cov khoom xyaw, thiab sintered ntawm qhov kub ntawm 1700 degree C. Hnav resistant alumina ceramic vuas siv rau zeb hauv ob sab phlu. hnav tsis kam zoo dua li cov ntaub ntawv hlau thiab yooj yim rau nruab. Cov khoom siv tuav tau siv dav hauv kev lag luam xws li steel, thermal zog, cement, thee, mining, ports, thiab tshuaj lom neeg kev lag luam; Hnav resistant tej yam kev mob xws li hoppers, pipelines, luj tshib, li qub, kiv cua, chutes, pob mills, feeders, hmoov separators, pob mills, thiab lwm yam. Peb tuaj yeem tsim thiab tsim cov khoom nkhaus, conical, thiab irregular khoom rau ntau yam txhuas oxide phaj linings thiab hauv ob sab cib raws li cov neeg siv khoom xav tau.

Hnav resistant alumina ceramic vuas siv rau zeb hauv ob sab phlu muaj siab hardness thiab muaj zog hnav tsis kam. Lub Mohs hardness mus txog qib 9, Rockwell hardness mus txog HRA85 lossis siab dua, thiab hnav tsis kam yog 271.5 npaug siab dua li ntawm Menggang. Nws tau dhau los ua cov khoom siv dav siv ceramic hnav-tiv taus hauv kev lag luam.

Txawm hais tias hnav resistant alumina ceramic vuas siv rau zeb hauv ob sab phlu muaj siab hardness, lawv brittleness kuj siab. Yog tias muaj kev cuam tshuam loj heev, lawv tuaj yeem ua rau tawg. Yog li ntawd, ceramic hauv ob sab phlu phaj tsis haum rau kev ua hauj lwm tej yam kev mob uas muaj feem xyuam rau lub zog. Feem ntau, ceramic roj hmab puas daim hlau yuav tsum tau siv rau kev ua hauj lwm tej yam kev mob uas muaj feem xyuam rau lub zog, thiab cov ntaub ntawv nyob rau hauv cov ntaub ntawv uas muaj peev xwm tiv nrog tej yam kev mob loj.

Hnav resistant alumina ceramic vuas siv rau zeb hauv ob sab phlu feem ntau muab faib ua ntau yam txhuas, suav nrog 92%, 95%, 96%, thiab 99%, nrog rau feem ntau siv yog 92% thiab 95%. 92% ntawm cov ntaub ntawv ceev yog siab dua 3.62g / cm3, thiab 95% ntawm cov ntaub ntawv ceev yog siab dua 3.68g / cm3. Qhov siab dua cov ntsiab lus ntawm aluminium, qhov ruaj khov ntawm qhov ua tau zoo ntawm cov ceramic hauv ob sab phlu thiab qhov zoo dua nws hnav tsis kam.

Hnav resistant alumina ceramic vuas siv rau zeb hauv ob sab phlu muaj ntau hom, siab hardness (Rockwell hardness HRA80-90), muaj zog tiv thaiv tshuaj corrosion, kub tsis kam thiab toughness, rwb thaiv tsev kev ua tau zoo thiab siab stability, ua rau lawv dav. siv nyob rau hauv ntau yam lag luam. Cov khoom siv no ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov cuab yeej, txo cov nqi tu, ncua cov cuab yeej siv lub neej, thiab txhim kho kev tsim khoom. Tsis tas li ntawd, Hnav resistant alumina ceramic vuas siv rau zeb hauv ob sab phlu kuj muaj qhov zoo ntawm kev tiv thaiv ib puag ncig thiab tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm niaj hnub ntau lawm. Nyob rau tib lub sijhawm, nws kuj muaj cov thermal conductivity zoo, uas tuaj yeem cuam tshuam cov cua sov thiab tiv thaiv cov cuab yeej los ntawm kev puas tsuaj los ntawm overheating. Raws li cov kev xav tau ntawm kev lag luam sib txawv, hnav resistant alumina ceramic vuas siv rau zeb hauv ob sab phlu muaj ntau yam tshwj xeeb thiab cov duab xaiv los ntawm. Nws tuaj yeem kho raws li qhov xav tau tiag tiag kom tau raws li qhov xav tau ntawm cov khoom siv sib txawv.

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