行业组件数据 · 2026

风口

A blast furnace tuyere that injects hot air into the furnace for iron smelting.

技术定义与适配语境
典型 风口 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 tuyere is a critical component in a blast furnace structure, designed to inject preheated air (blast) at high velocity into the furnace through the tuyere stock. It facilitates the combustion of coke, generating the necessary heat and reducing gases (CO) for iron ore reduction. Typically located in the bosh region, it withstands extreme temperatures (up to 2000°C) and abrasive conditions, ensuring efficient oxygen supply and slag formation control.

组件规格

定义
The tuyere is a critical component in a blast furnace structure, designed to inject preheated air (blast) at high velocity into the furnace through the tuyere stock. It facilitates the combustion of coke, generating the necessary heat and reducing gases (CO) for iron ore reduction. Typically located in the bosh region, it withstands extreme temperatures (up to 2000°C) and abrasive conditions, ensuring efficient oxygen supply and slag formation control.
工作原理
Operates by channeling hot blast air (800-1300°C) from the hot blast stoves into the furnace through a nozzle. The high-velocity air promotes coke combustion, releasing heat and carbon monoxide, which reduces iron oxides to molten iron. The tuyere's design (e.g., copper construction with water cooling) manages thermal stress and prevents clogging from slag or debris.
材料
High-conductivity copper (e.g.C11000) or copper alloys for the bodyoften with internal water-cooling channelsstainless steel (e.g.316L) or refractory-lined steel for auxiliary partsmay include ceramic coatings for erosion resistance.
Diameter
100-200 mm
Service Life
6-24 months
Blast Pressure
2-5 bar
Blast Temperature
800-1300°C
Cooling Water Flow
10-30 m³/h
标准
ISO 4706DIN 17100

行业分类与别名

风口 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

Inadequate cooling water flow->Tuyere melting or deformation->Install flow sensors and alarms; use high-purity water to prevent scaling.
Abrasive slag accumulation->Reduced airflow and efficiency->Regular cleaning and inspection; apply wear-resistant coatings.
Thermal cycling stress->Crack formation and leaks->Design with thermal expansion allowances; use durable copper alloys.

工业生态与工程逻辑

0
Thermal fatigue leading to cracks
1
Erosion from slag and particles
2
Clogging due to debris buildup
3
Cooling system failure causing overheating

合规与检测

tolerance
±2 mm on diameter, ±5°C on temperature control
test method
Non-destructive testing (ultrasonic), pressure testing of cooling systems, thermal imaging for heat distribution

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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 tuyere in a blast furnace?

To inject preheated air into the furnace, enabling coke combustion and iron ore reduction by generating heat and carbon monoxide.

Why are tuyeres often made of copper?

Copper's high thermal conductivity allows efficient heat dissipation through water cooling, preventing melting and extending service life in high-temperature environments.

How often should tuyeres be replaced?

Typically every 6 to 24 months, depending on operating conditions, material quality, and maintenance practices, to avoid failures that disrupt production.

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