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$High alumina refractory castable$

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High alumina refractory castable

High-alumina castable yog refractory castable ua los ntawm high-alumina raw cov ntaub ntawv raws li aggregate thiab hmoov thiab binder.

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High alumina refractory castable yog dav siv nyob rau hauv masonry thiab txij nkawm ntawm industrial kilns. Common high-alumina castables muaj xws li portland cement castable, calcium aluminate cement castable, dej iav bonded castable, phosphate bonded castable thiab hais txog. Nrog rau kev tsim kho tshiab ntawm cov khoom lag luam, qhov zoo ntawm high-alumina castables kuj tau maj mam txhim kho, nrog rau cov cement refractory castables tsawg, ultra-low cement castables thiab cement-free castables.

High alumina refractory castable

Khoom npe / index		High alumina cement refractory castable				Tsawg calcium aluminate cementRefractory castable
		Av nplaum refractory castable		High aluminium refractory castable		Tsawg calcium aluminate cementRefractory castable
		Aluminium-40	Aluminium-50	Aluminium-55	Aluminium-65	Aluminium-70
Volume ceev (110 ℃ ± 5 ℃ x 24 h) ＞	kg/m	Xyoo 1900	2100	2200	2300	2500
Qhuav compressive zog	Mpa	20	nees nkaum peb	20	nees nkaum peb	40
Qhuav flexural zog	Mpa	4	5	4	5	6
800 ℃ kub residual zog	%	40	50	40	50	60
Thermal shock stability	Tus nqi thib ob	15	15	15	15	20
Kab hloov tom qab hlawv, moisturizing rau 3h, tsis pub ntau tshaj 1% ntawm kev sim ntsuas kub	℃	1200	1250	1300	1350	1400
Refractory degree ；	℃	1650	1670 ib	1700	1730 ib	1770 ib
TIAB SA 203>	%	40	50	55	65	75
Max particle loj ntawm refractory aggregate	mm	Thaum lub thickness yog ≤60mm, ≤5mm
		Thaum lub thickness yog 60-100, ≤10mm
		Thaum lub thickness yog ≥100mm,

Khoom muaj nuj nqi

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.

Khoom siv

siab alumina refractory castable yog tsim rau cua sov rauv, soaking rauv, kho cua sov rauv thiab teb kiln; Ntau yam kub kub kub hauv ob sab phlu, cua sov rauv dej yeeb nkab wrapping linings, qhov chaw ntawm refining khoom sab nraum molten steel rauv thiab high-temperature hnav-resistant linings ntawm petrochemical catalytic cracking reactors; Liners xws li blast furnace taphole, cupola taphole, ib qho hmoov phom phom rau kub hlau pretreatment, thiab lwm yam. Nws kuj tseem siv tau los tsim cov blocks loj prefabricated thiab qhov cub hauv ob sab phlu rau kev tsim kho sai.