浸入式水口是連續(xù)鑄鋼設(shè)備中安裝在中間包底部并插入結(jié)晶器鋼液面以下的澆鋼用耐火套管。它的主要功能是防止中間包注流的二次氧化和鋼水飛濺，避免結(jié)晶器保護(hù)渣卷入鋼液，改善注流在結(jié)晶內(nèi)的流動狀態(tài)和注流分布。
Al2O3-ZrO2-C質(zhì)侵入式水口，以剛玉和石墨等為主要原料，添加金屬硅、碳化硅等，在等靜壓機(jī)中成型，在還原氣氛下燒成，渣線部位采用復(fù)合ZrO2-C質(zhì)材料。水口結(jié)構(gòu)均勻、耐沖刷、耐侵蝕、熱震穩(wěn)定性好等特點(diǎn)，適應(yīng)于各種鋼種的澆注。 |
| 主要理化指標(biāo)： |
|
項(xiàng)目 |
指標(biāo) |
|
本位 |
渣線部位 |
透氣部位 |
本體部位 |
渣線部位 |
|
Al2O3%不小于 |
35 |
|
35 |
45 |
|
|
F.C+SiC%不小于 |
20 |
15 |
15 |
20 |
15 |
|
ZrO2%不小于 |
|
70 |
|
|
50 |
|
顯氣孔率%不高于 |
≤19 |
≤20 |
≥18 |
≤19 |
≤20 |
|
常溫耐壓強(qiáng)度MPa不低于 |
17 |
15 |
|
16 |
15 |
|
常溫抗折強(qiáng)度MPa不低于 |
6 |
4 |
|
5 |
4 |
|
熱震穩(wěn)定性（次）不低于 |
5 |
5 |
|
尺寸允許偏
差mm |
尺寸≤100 |
±1.5 |
|
101-200 |
±2 |
|
201-300 |
±3 |
|
301-400 |
±4 |
|
＞400 |
±1.5% |
|
壁厚相對偏差 |
≤2.5 |
|
缺棱深度
mm |
工作面 |
不準(zhǔn)有 |
|
非工作面 |
≤5 |
|
扭曲 |
≤0.5% |
|
無損探傷 |
合格 | |
|
Submerged nozzle |
In continuous casting steel equipments, the submerged nozzle is mounted on bottom of tundish and is inserted in the fireproofing casing tube used for casting steel below the level of molten steel of crystallizer. Its main function is to prevent the tundish beam from reoxidization and prevent the splash of molten steel in order to avoid the covering slag of the crystallizer to be involved in the molten steel, such to improve the fluid state of beam in the crystal and beam distribution.
Al2O3-ZrO2-C submerged nozzle is mainly made of corundum and graphite in addition of metallic silicon and silicon carbide etc., molded in isostatic pressing machine and made by burning in reducing atmosphere. The part of slag line adopts the compound ZrO2-C material. The nozzle has even texture, abrasion and erosion resistance and good thermal shock stability, suitable for casting of various steel sorts. |
| Main chemical and physical index： |
|
Item |
Index |
|
Main body |
Slag line |
Ventilation |
Main body |
Slag line |
|
Al2O3 (%) no less than |
35 |
|
35 |
45 |
|
|
F.C+SiC (%) no less than |
20 |
15 |
15 |
20 |
15 |
|
ZrO2 (%) no less than |
|
70 |
|
|
50 |
|
Apparent porosity (%) no more than |
≤19 |
≤20 |
≥18 |
≤19 |
≤20 |
|
Normal temperature compressive strength (Mpa) no less than |
17 |
15 |
|
16 |
15 |
|
Normal temperature bending strength (Mpa) no less than |
6 |
4 |
|
5 |
4 |
|
Thermal shock stability (times) no less than |
5 |
5 |
|
Tolerance deviation in di |
| 公司名稱： |
清河縣信宇工貿(mào)有限公司
|
| 聯(lián)系人： |
|
聯(lián)系電話： |
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相關(guān)信息
| 產(chǎn)品名稱 |
物理指標(biāo) |
化學(xué)指標(biāo) |
產(chǎn)品價格 |
發(fā)布時間 |
|
浸入式水口
|
顯氣孔率≤20%
|
Al2O3≥40%
|
請登錄
|
2023-10-12 |
|
浸入式水口
|
顯氣孔率≤20%
|
Al2O3≥40%
|
請登錄
|
2022-11-18 |
|
浸入式水口
|
顯氣孔率≤20%
|
Al2O3≥40%
|
請登錄
|
2022-11-18 |
|
浸入式水口
|
顯氣孔率≤20%
|
Al2O3≥40%
|
請登錄
|
2022-09-27 |
|
浸入式水口
|
--
|
--
|
請登錄
|
2022-08-18 |
|
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