行业组件数据 · 2026

出钢口

A refractory-lined opening in a Basic Oxygen Furnace vessel for controlled molten steel tapping.

技术定义与适配语境
典型 出钢口 会按材料、尺寸公差、适配关系和失效风险在 基础金属制造 中评估。

The Tapping Spout is a critical refractory-lined component located at the bottom or side of a Basic Oxygen Furnace (BOF) vessel, designed to facilitate the controlled discharge of molten steel after the oxygen blowing process. It ensures precise flow direction into ladles while preventing slag carryover and maintaining metallurgical quality.

组件规格

定义
The Tapping Spout is a critical refractory-lined component located at the bottom or side of a Basic Oxygen Furnace (BOF) vessel, designed to facilitate the controlled discharge of molten steel after the oxygen blowing process. It ensures precise flow direction into ladles while preventing slag carryover and maintaining metallurgical quality.
工作原理
Operates by opening a refractory gate or tilting the BOF vessel to allow molten steel to flow through the spout's tapered, lined channel, utilizing gravity and controlled pressure to direct the stream into receiving ladles, with mechanisms to separate slag from steel.
材料
High-alumina or magnesia-carbon refractoriesoften with zirconia additives for thermal shock resistance and erosion protectionsteel casing for structural support.
Length
1-3 m
Diameter
150-300 mm
Flow Rate
50-150 tons/min
Refractory Thickness
200-400 mm
Operating Temperature
1600-1700°C
标准
ISO 13579DIN 51060

行业分类与别名

出钢口 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Refractory degradation due to high temperatures and chemical erosion->Spout blockage or uncontrolled steel flow->Regular inspection, use of advanced refractories, and predictive maintenance schedules
Mechanical stress from vessel tilting->Cracking or detachment of spout lining->Robust casing design and alignment checks

工业生态与工程逻辑

0
Refractory erosion leading to leaks
1
Slag carryover contaminating steel
2
Thermal shock causing spout failure
3
Misalignment causing spillage

合规与检测

tolerance
±5 mm for diameter, ±10 mm for alignment
test method
Thermal cycling tests, non-destructive testing (NDT) for cracks, flow simulation analysis

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采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of a Tapping Spout in a BOF?

To enable controlled, efficient tapping of molten steel from the furnace into ladles while minimizing slag inclusion and ensuring safety.

How often does a Tapping Spout require maintenance?

Typically after 200-500 heats, depending on refractory wear, operating conditions, and steel grade produced.

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URN:CNFX:ME:UNIT:TAPPING_SPOUT