Khoom Description

High alumina cib refractory tau muab faib ua ntau hom raws li cov ntsiab lus sib txawv ntawm aluminium oxide, smelting txoj kev thiab cov khoom zoo. Raws li cov ntsiab lus ntawm aluminium oxide, nws tuaj yeem muab faib ua ntau hom ntawm siab alumina cib xws li 45%, 55%, 60%, 65%, 75%, 80%; Raws li kev sib txawv smelting, nws tuaj yeem muab faib ua oxygen converter txoj kev siab alumina cib, alkaline-acid converter method siab alumina cib, fused siab alumina cib, kub- dov siab alumina cib, grouting siab alumina cib thiab lwm yam; Raws li cov khoom lag luam sib txawv, lawv tuaj yeem muab faib ua coke coj-resistant siab alumina cib, desulfurization siab alumina cib, unsaturated liab cib thiab ntau lwm yam.

Cov khoom Tsis muaj

Khoom siv		Feem ntau				Tshwj xeeb
Khoom siv		Feem ntau				Tshwj xeeb
Yam khoom		TSI SK36	TSI SK38	TS 80	TS 85	TSI-92	TSI-90	TSI-85	TSI-80	TSI-75	TSI-70	TSI-60	TSI-50
Pyrometric Cone Sib npaug Orton cone		35-36	37-38	38	﹥38	40	40	40	39	39	38	37	36
Pyrometric Cone Sib npaug Orton cone		35-36	37-38	38	﹥38	40	40	40	39	39	38	37	36
Refractoriness (zeeg)		1785	1810	1835	1840	–	–	–	–	–	–	–	–
0.2 MPa mos hauv qab load (%)		–	–	–	–	1700	1700	1700	1670	1650	1580	1550	1500
Qhov ceev (kg / m³)		2300-2350	2400-2450	2550-2650	2650-2750	3.10	2.95	2.90	2.85	2.70	2.62	2.50	2.40
Pom tseeb Porosity (%)		20.0-22.0	19.0-20.0	18.0-19.0	17.0-18.0	16	16	19	18	18	18	18	18
Txias Crushing Zog (MPa)		45-48	50-55	60-65	70-75	80	80	800	750	700	700	650	600
Modulus ntawm Rupture (kg / cm²)		70-80	80-90	90-100	150-180	–	–	–	–	–	–	–	–
Thermal Expanison ntawm 1000℃(%)		–	–	–	–	–	–	0.75	0.7	0.65	0.60	0.55	0.50
Rov ntsuas dua, hloov pauv mus tas li tom qab cua sov ntawm	1500 degree, 2h (%)	–	–	–	–	±0.2	±0.2	±0.2	±0.2	±0.2	±0.2	±0.2	±0.2
Rov ntsuas dua, hloov pauv mus tas li tom qab cua sov ntawm	1400℃(%)	(+)0.5	(+)1.00	(+)1.02	–	–	–	–	–	–	–	–	–
SiO₂ (%)		38.2	20.2	14.0	8.7	–	–	–	–	–	–	–	–
Al₂O₃ (%)		48-55	70-75	81.1	85	92	90	85	80	76	70	65	50
Fe₂O₃ (%)		1.8	1.8	1.8	1.8	0.8	0.8	1.0	1.0	–	–	–	–
Cao (%)		0.4	0.4	0.3	0.2	–	–	–	–	–	–	–	–
Na₂O+K₂O + Li₂O (%)		0.5	0.5	0.3	0.2	–	–	–	–	–	–	–	–

Cov khoom txheem loj (qhov loj tuaj yeem ua raws)

2 3

Cov Khoom Zoo

1. Kev kub siab ua haujlwm: High alumina cib refractory muaj cov cua kub zoo heev, tuaj yeem tiv taus kub corrosion thiab thermal stress nyob rau hauv ib puag ncig kub, thiab yuav tsis deform los yog tawg tom qab ntev - siv.

2. Zoo hnav tsis kam: Qhov saum npoo ntawm siab alumina cib tau raug kho tshwj xeeb thiab muaj kev hnav zoo heev, uas tuaj yeem tiv thaiv kev yaig thiab hnav cov ntaub ntawv hauv lub cub tawg.

3. High slag tsis kam: Lub ntsiab tivthaiv ntawm siab alumina cib yog Al2O3, uas muaj cov slag zoo thiab muaj peev xwm tiv taus qhov yaig ntawm alkaline thiab acidic slag.

4. Zoo alkali tsis kam: siab alumina bricks muaj tsawg silicon oxide cov ntsiab lus hauv thiab siab dua aluminium oxide cov ntsiab lus, yog li lawv tsis yooj yim corroded los ntawm cov ntaub ntawv uas siab alkalinity.

5. Cov thermal shock kuj zoo heev: Lub zog siab thiab cov pob txha tawg siab ntawm siab -alumina cib tuaj yeem tiv taus thermal shock tshwm sim los ntawm kev hloov kub thiab txias hauv qhov cub, thiab tsis yooj yim rau tawg thiab tawg.

6. High compressive zog: High alumina bricks muaj siab compressive zog thiab tuaj yeem tiv taus ntau qhov siab.

7. Cov tshuaj tiv thaiv zoo: Cov alumina cib siab tuaj yeem tiv taus kev yaig ntawm ntau cov kua qaub thiab lwm yam tshuaj lom neeg thiab muaj lub neej ua haujlwm ntev.

Cov khoom siv

1. Iav kiln rauv: ib txheej txheej ua los ntawm siab alumina cib refractory, rwb thaiv tsev txheej thiab lwm yam sib txawv ntawm cib. Lub siab alumina cib muaj qhov ua haujlwm zoo rau tshuaj lom neeg corrosion thiab tuaj yeem tiv taus qhov yaig ntawm cov tshuaj evaporates ntawm iav.

2. Kev lag luam metallurgical: High alumina cib tuaj yeem siv rau hauv cov txheej txheem ntawm cov khoom siv hlau smelting, xws li tundish, nruam casting slabs, thiab lwm yam, nrog rau kev siv tau zoo.

3. Kev lag luam khoom siv hauv tsev: High alumina cib tuaj yeem siv rau hauv cov qauv hauv ob sab phlu ntawm siab -kub kiln tunnels, xws li lub tsev ceramics, cov ntaub ntawv refractory, thiab lwm yam.

4. Petroleum kev lag luam: High alumina cib tuaj yeem siv rau hauv cov qauv hauv ob sab phlu ntawm cov roj refining units los tiv thaiv qhov kub thiab txias ib puag ncig thiab tshuaj corrosion nyob rau hauv cov roj refining units.

5. Kev lag luam tshuaj: Ntau yam khoom lag luam hauv kev lag luam chemical yuav tsum tau ua haujlwm siab - kub, thiab siab - alumina bricks muaj qhov tshwj xeeb zoo hluav taws kub, yog li lawv feem ntau siv los tsim cov khoom siv tshuaj.

6. Lwm cov kev lag luam: High alumina cib kuj tuaj yeem siv rau hauv cov txheej txheem hauv ob sab phlu ntawm lwm cov high -kub industrial furnaces thiab cua sov rauv, cov khoom siv kho cua sov, thiab lwm yam.