行业组件数据 · 2026

出渣门

A heavy-duty door on an electric arc furnace for controlled slag removal during steel production.

技术定义与适配语境
典型 出渣门 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 slag door is a critical component of an electric arc furnace (EAF) designed to facilitate the controlled removal of slag—a byproduct of the steelmaking process consisting of impurities, oxides, and fluxes. It is typically located on the side of the furnace shell and operates through hydraulic or mechanical mechanisms to open and close, allowing operators to tap slag into slag pots or ladles without interrupting the melting process. The door must withstand extreme temperatures (up to 1600°C), thermal cycling, and mechanical stress from slag flow and furnace tilting.

组件规格

定义
The slag door is a critical component of an electric arc furnace (EAF) designed to facilitate the controlled removal of slag—a byproduct of the steelmaking process consisting of impurities, oxides, and fluxes. It is typically located on the side of the furnace shell and operates through hydraulic or mechanical mechanisms to open and close, allowing operators to tap slag into slag pots or ladles without interrupting the melting process. The door must withstand extreme temperatures (up to 1600°C), thermal cycling, and mechanical stress from slag flow and furnace tilting.
工作原理
The slag door operates by using hydraulic cylinders or mechanical linkages to pivot or slide open, creating an aperture for slag to flow out of the furnace. During steelmaking, slag accumulates on the molten metal surface; by tilting the furnace and opening the door, slag is gravity-drained. The door seals tightly when closed to contain heat and prevent air ingress, maintaining furnace efficiency and safety. Advanced systems may include water-cooled panels or refractory linings to manage thermal loads.
材料
High-temperature steel alloys (e.g.ASTM A297 HK or HP grades)often with refractory linings (e.g.magnesia-carbon or alumina-based bricks) and water-cooled copper or steel panels for enhanced durability. Hinges and mechanisms use heat-resistant alloys.
Actuation
Hydraulic or mechanical
Door Size
Typically 0.5m to 1.5m wide
Sealing Type
Refractory or metal-to-metal seal
Cooling System
Optional water-cooled design
Pressure Rating
Designed for furnace internal pressures up to 0.5 bar
Operating Temperature
Up to 1600°C
标准
ISO 13579DIN 7526

行业分类与别名

出渣门 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 lining degradation due to thermal cycling->Door leakage leading to heat loss and safety risks->Implement scheduled refractory inspections and replacements; use high-quality materials.
Hydraulic actuator malfunction->Inability to open or close door, disrupting operations->Regular maintenance of hydraulic systems; install backup actuators or manual overrides.
Improper slag viscosity or flow->Slag buildup or blockages at the door->Monitor slag composition; adjust furnace parameters; use slag conditioners.

工业生态与工程逻辑

0
Thermal stress cracking
1
Refractory erosion
2
Hydraulic system failure
3
Slag spillage hazards

合规与检测

tolerance
Door alignment within ±5mm; sealing gap <2mm under operating conditions
test method
Pressure testing, thermal cycling tests, and non-destructive inspection (e.g., ultrasonic) per ISO 13579

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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 purpose of a slag door in an electric arc furnace?

It allows controlled removal of slag, a waste byproduct, during steel production to maintain furnace efficiency and product quality.

How does a slag door handle high temperatures?

It uses heat-resistant materials like refractory linings and water-cooled panels to withstand temperatures up to 1600°C.

What maintenance is required for slag doors?

Regular inspection for refractory wear, seal integrity, and hydraulic system checks to prevent failures and ensure safe operation.

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URN:CNFX:ME:UNIT:SLAG_DOOR