Refractory Castable

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0102 ib

Corundum Castable

Cov khoom siv raw ntawm corundum castable yog fused dawb corundum, fused corundum los yog xim av corundum. Tsis muaj teeb meem dab tsi ntawm cov khoom siv raw li kev sib sau ua ke, cov khoom uas muaj qhov sib txawv ntawm qhov sib txawv yuav tsum sib xyaw ua ke, thiab corundum coarse hais, nruab nrab hais thiab hmoov yuav tsum muaj cov qauv tsim nyog, thiab tom qab ntawd ua ke nrog Qihe additives (silica micropowder, dej reducer thiab tawg-pov thawj fiber), lawv yuav tsum tau ntxiv rau cov ntaub ntawv raw thiab siab tempered.

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Khoom muaj nuj nqi

Piv nrog rau siab alumina castable thiab mullite castable, corundum castable muaj zog dua txhua yam thiab hnav tsis kam, tab sis nws cov thermal shock kuj tsis zoo li mullite castable. Ntxiv qee qhov nyiaj ntawm mullite rau hauv cov ntaub ntawv raw tuaj yeem txhim kho cov thermal poob siab ntawm corundum castable. Corundum castable muaj siab compressive zog thiab zoo structural stability. Lub peev xwm loj, corundum castable casting hauv ob sab phlu muaj zoo slag corrosion kuj, permeability kuj, siab hnav tsis kam thiab muaj zog tsis kam mus rau cov khoom, hmoov thiab kub kub yaig.

Corundum Castable khoom

Kev Ua Haujlwm / Yam No		ZJ-1	ZJ-2	ZJ-18A	ZJ-18 HS	ZJ-18H
chemical muaj pes tsawg leeg%	Al2O3	≥98	≥95	≥95	≥95	z95 ua
chemical muaj pes tsawg leeg%	SiO 2	≤0.2	≤0.5	≤0.2	≤0.4	≤0.4
Max ua haujlwm kub ℃		1850	1800	1800	1800	1800
Qhov ntom ntom tom qab ci ntawm 110 ℃ g/cm3		≥3.1	≥3.0	≥2.9	≥30	≥3.1
1500 ℃ x 3h Kab hloov tom qab hlawv %		-0.2 ~ 0.6	-0.2 ~ 0.6	-0.2 ~ 0.7	0.1 ~ 0.3 (1100 ℃)	± 0.5 hli
Compressive thiab flexural zog Mpa	110 ℃ x 24 h	≥ 20/z4	≥60 / ≥7	≥50 / ≥4	≥60/8	≥70 / ≥7
	1100 ℃ x 3 h	≥50 / ≥6	≥70/8		≥70/9	≥80 / ≥10
	1500 ℃ x 3 h	≥60 / ≥10	≥100 / ≥15	≥100 / ≥15	≥120 / ≥10	≥150/15
Max particle loj mm		5-6	5-6	5-6	3	5-6
Kev tsim kho dej siv % (qhov hnyav piv)		5-6.5	5-6.5	5-6	5-6	5-6

Khoom siv

Ferrosilicon rauv yog lub tshuab hluav taws xob muaj hluav taws xob uas siv hluav taws xob ntau thiab yog hom submerged arc rauv. Ferrosilicon rauv muaj xws li lub plhaub rauv, lub qhov cub npog, qhov cub hauv ob sab phlu, luv net, dej txias system, pa taws tso pa, plua plav tshem tawm, electrode plhaub, electrode siab tso tawm thiab lifting system, loading thiab unloading system, xws li, hlawv-los ntawm ntaus ntawv, hydraulic system, transformer Thiab ntau yam khoom siv hluav taws xob, thiab lwm yam, kev siv cov ntaub ntawv refractory kuj tseem xav tau.

Nyob rau xyoo 2006, Peb lub Hoobkas tau tsim nyob rau hauv Yuzhou, cov khoom siv raw hauv paus.High bauxite ore yog cov sib xyaw ua ke zoo sib xyaw ua ke ntawm txhuas hydroxides thiab ntau qhov sib piv. High-alumina bauxite hauv kev lag luam refractory feem ntau yog hais txog bauxite ore nrog calcined Al₂O₃ cov ntsiab lus ntau dua 48% thiab cov ntsiab lus Fe₂O₃ qis.