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Lub Teeb Nyhav Silica Cib 1.2

Lub teeb yuag Silica cib

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Lub Teeb Nyhav Silica Cib 1.2

Lub teeb hnyav silica cib kuj hu ua silica rwb thaiv tsev cib. Lawv yog cov khoom siv hluav taws xob hnyav nrog cov ntsiab lus silica ntau dua 91% thiab qhov ntom ntom ntawm tsawg dua 1.2g / cm3. Lub refractoriness thiab load softening kub yog zoo ib yam li cov zoo tib yam silica bricks nrog tib muaj pes tsawg leeg. Txawm li cas los xij, vim muaj ntau qhov pores, lub zog compressive, slag kuj, corrosion kuj, thiab lwm yam tsis zoo li cov silica bricks zoo tib yam, tab sis cov thermal shock kuj zoo dua.

Cov lus piav qhia ntxaws
 

Lub teeb silica bricks siv finely crushed silica li raw khoom, thiab lawv cov particle loj yog feem ntau tsis ntau tshaj 1 hli, thiab cov hais tsawg tshaj li 0.5 hli tsis tsawg tshaj li 90%. Inflammables yog ntxiv rau cov khoom xyaw lossis ib txoj kev tsim roj yog siv los ua cov qauv ntxeem tau, uas tom qab ntawd raug rho tawm haujlwm. Nws kuj tseem tuaj yeem ua rau cov khoom tsis muaj hluav taws xob. Nws yog tsuas yog siv nyob rau hauv ntau qhov chaw ntawm kilns uas yuav tsum tau rwb thaiv tsev los yog txo nws tus kheej qhov hnyav yam tsis muaj kev sib cuag nrog cov yaj, tsis muaj cov nyhuv ntawm corrosive gases, thiab tsis muaj qhov kub thiab txias hloov. Nws yog siv rau qhov kub thiab txias thiab tsis tuaj yeem sib cuag nrog cov ntaub ntawv alkaline refractory. Nyob ntawm cov khoom siv, nws siv qhov kub ntawm 1200 thiab 1550 ℃.

Lub teeb silica bricks yog ib yam khoom tshwj xeeb heev, feem ntau yog siv hauv kev lag luam iav thiab kev lag luam steel. Feem ntau, cov silica bricks hnyav thiab ntom silica cib yog siv los ua cov txheej txheem txheej txheem. Feem ntau siv nyob rau hauv cov iav kiln kev lag luam, feem ntau yog rau cov rwb thaiv tsev ntawm lub kiln vault, yog li txo cov cua sov thiab ua kom cov efficiency ntawm lub melting txheej txheem. Hauv kev lag luam steelmaking, lub teeb yuag silica cib yog siv rau lub teeb ntawm kub moj tej tawg rauv phab ntsa thiab domes.

1. Lub teeb ci silica cib yog siv rau hauv kev lag luam iav - thermal rwb thaiv tsev ntawm qhov cub vaults

Nyob rau hauv cov txheej txheem iav melting, qhov kub siab tau mus txog rau hauv qhov tsa qhov qis ntawm lub vault. Nyob ntawm seb hom iav, qhov kub thiab txias yog nyob ib ncig ntawm 1600 ° C. Lub teeb yuag yog feem ntau tsim los ua ob lossis ntau txheej.
Lub teeb silica bricks feem ntau raug rau cov kub loads. Nws xav tias ib txheej ntawm lub vault (cov qauv thiab lub teeb yuag) muaj tib yam lossis zoo sib xws ntawm kev nthuav dav. Silica cib uas muaj qhov ntom ntom ntawm 1250kg·m-3 lossis 1000kg·m-3 tuaj yeem ua tau raws li cov txheej txheem ntom ntom. Cov txheej tom ntej no siv cov silica cib uas muaj qhov ntom ntom ntawm 800Kg·m-3 lossis 600kg·m-3.

Lub teeb silica cib tuaj yeem muab tso rau ntawm lub qhov cub hluav taws xob lossis sib txuas nrog silica hluav taws av nplaum. Tsis muaj tshuaj lom neeg thaum lub sijhawm ua haujlwm ntawm lub cub tawg (ntau xyoo). Lub teeb ci silica cib yog siv los ntawm cov tshuaj thiab cov ntxhia hauv cov ntaub ntawv ua haujlwm zoo ib yam li cov silica cib ntom siv.

2. Lub teeb yuag silica cib yog siv rau hauv kev lag luam steel - kub blast furnaces

Cov cua kub cua kub feem ntau yog siv rau cov cua kub (hu ua blast furnace blast), uas txuas nrog rau cov kiv cua ntawm lub qhov cub tawg. Nyob ntawm cov duab thiab qhov chaw ntawm lub qhov cub kub kub, qhov kub ntawm qhov nruab nrab ntawm 1000 thiab 1300 ° C, thiab cua kub yog nyob rau hauv thaj tsam ntawm 2300 txog 6500 m3 ·min-1.

Qhov no yuav tsum tau suav cov kev sib piv ntawm cov kub moj tej tawg rauv (qhov sib txawv ntawm qhov ntau thiab tsawg thiab qhov chaw siv) thiab lub iav kiln dome ntawm ntau theem thiab ntau yam loads, tsom rau cov thermomechanical zog. Rau lub teeb yuag, lub ntim ntim siv yog 1250kg·m-3 lossis 1050kg·m-3 (tsuas yog vim lawv lub zog siab dua)
65d29 wb65d31 qw

High-strength lub teeb yuag silica cib tsis


Lub zog muaj zog silica cib (r = 0.8):
① Tshuaj muaj pes tsawg leeg: SiO2>91%;
②Volume density≤1.0g/cm3;
③ Compressive zog ntawm chav tsev kub ≥5MPa;
④0.2MPa load softening kub: T0.6≥1600 ℃;
⑤ Muaj tseeb lub ntiajteb txawj nqus: ≤2.38;
⑥Refractory > 1700 ℃.

Series khoom pom zoo

  • 65d414 wb
  • 65d414 ib
  • 65d414 ib
  • 65d414 ib
  • 65d414 ua
  • 65d414 ib