行业组件数据 · 2026

耐火炉衬

Refractory lining is a heat-resistant protective layer inside non-ferrous metal induction melting furnaces that withstands extreme temperatures and chemical corrosion.

技术定义与适配语境
典型 耐火炉衬 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。

A refractory lining is a specialized thermal insulation component installed on the interior walls of non-ferrous metal induction melting furnaces. It serves as a protective barrier between the molten metal and the furnace structure, maintaining thermal efficiency, preventing heat loss, and protecting the furnace shell from thermal stress and chemical attack. The lining must withstand temperatures exceeding 1600°C while resisting erosion from molten aluminum, copper, zinc, and their alloys.

组件规格

定义
A refractory lining is a specialized thermal insulation component installed on the interior walls of non-ferrous metal induction melting furnaces. It serves as a protective barrier between the molten metal and the furnace structure, maintaining thermal efficiency, preventing heat loss, and protecting the furnace shell from thermal stress and chemical attack. The lining must withstand temperatures exceeding 1600°C while resisting erosion from molten aluminum, copper, zinc, and their alloys.
工作原理
The refractory lining operates by providing thermal insulation through low thermal conductivity materials, creating a stable thermal gradient. It contains the molten metal bath while minimizing heat transfer to the furnace shell. During operation, the lining absorbs and redistributes thermal stress, prevents metal penetration through its porous structure, and maintains chemical stability against reactive molten metals and slag.
材料
High-alumina refractory bricks (70-90% Al2O3)magnesia-chrome brickssilicon carbide compositesor monolithic refractories (castables/ramming mixes). May include additives like zirconia for enhanced corrosion resistance.
Porosity
15-25%
Thickness
150-300 mm
Bulk Density
2.2-2.8 g/cm³
Thermal Conductivity
1.5-3.0 W/m·K
Cold Crushing Strength
30-60 MPa
Max Service Temperature
1700°C
标准
ISO 1927DIN 51061

行业分类与别名

耐火炉衬 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

Rapid temperature changes during startup/shutdown->Thermal stress cracking and spalling->Implement controlled heating/cooling cycles, use thermal shock-resistant materials
Chemical reaction with aggressive molten metals->Corrosion and thinning of lining->Select chemically compatible refractories, maintain proper slag chemistry control

工业生态与工程逻辑

0
Thermal shock cracking
1
Chemical corrosion from molten metals
2
Erosion from metal turbulence
3
Structural failure leading to breakout

合规与检测

tolerance
±5 mm thickness variation, ±2°C thermal gradient uniformity
test method
ASTM C133 for cold crushing strength, ASTM C20 for apparent porosity, thermal cycling tests per ISO 1893

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来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

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

How often should refractory linings be replaced in induction furnaces?

Replacement frequency depends on operating conditions, typically 6-24 months for continuous operation. Factors include metal type, temperature cycles, and slag chemistry.

What are the signs of refractory lining failure?

Visible cracks, increased energy consumption, metal penetration on furnace exterior, abnormal temperature readings, and reduced melting efficiency indicate lining degradation.

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初步技术归类
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URN:CNFX:ME:UNIT:REFRACTORY_LINING