行业组件数据 · 2026

排气罩

Exhaust hood for removing combustion byproducts and fumes from automated ladle preheating stations in metal manufacturing.

技术定义与适配语境
典型 排气罩 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 specialized industrial exhaust hood designed for automated ladle preheating stations that captures and removes hazardous combustion byproducts, including carbon monoxide, sulfur oxides, nitrogen oxides, and particulate matter generated during the preheating process. The component features optimized airflow dynamics, heat-resistant construction, and integrated safety systems to maintain safe working environments in foundry operations.

组件规格

定义
A specialized industrial exhaust hood designed for automated ladle preheating stations that captures and removes hazardous combustion byproducts, including carbon monoxide, sulfur oxides, nitrogen oxides, and particulate matter generated during the preheating process. The component features optimized airflow dynamics, heat-resistant construction, and integrated safety systems to maintain safe working environments in foundry operations.
工作原理
Operates on negative pressure differential principle where exhaust fans create suction through the hood opening, capturing contaminated air at the source. The system utilizes computational fluid dynamics (CFD) optimized capture velocities (0.5-1.0 m/s) to effectively contain and remove fumes while minimizing energy consumption. Thermal buoyancy principles are leveraged to enhance capture efficiency of hot gases rising from preheated ladles.
材料
Primary structure: 304/316L stainless steel (1.5-3.0 mm thickness) for corrosion resistanceInternal lining: Ceramic fiber insulation (1260°C rating)Seals: High-temperature silicone gasketsFasteners: A4-80 stainless steel boltsOptional coatings: High-temperature ceramic coating for extended service life.
Weight
85-220 kg depending on size
Noise Level
<75 dB(A) at 1m distance
Static Pressure
250-500 Pa
Airflow Capacity
5000-15000 m³/h
Capture Velocity
0.5-1.0 m/s
Connection Diameter
400-800 mm ducting
Operating Temperature
Up to 800°C continuous
Hood Opening Dimensions
1200x800 mm to 2000x1200 mm
标准
ISO 21904-1:2020ISO 14123-2:2015DIN EN 1093-3DIN 24196

行业分类与别名

排气罩 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

Thermal cycling causing metal fatigue->Crack formation in hood structure->Implement thermal stress analysis in design, use expansion joints, schedule regular NDT inspections
Insufficient maintenance of capture surfaces->Reduced capture efficiency below safety thresholds->Establish preventive maintenance schedule, install airflow monitoring sensors, implement cleaning protocols

工业生态与工程逻辑

0
Heat damage to structural components
1
Inadequate fume capture leading to worker exposure
2
Fire hazard from accumulated combustible deposits
3
Corrosion from acidic combustion byproducts

合规与检测

tolerance
±5% on airflow specifications, ±2° on mounting angle alignment, ±3 mm on flange dimensions
test method
ISO 21904-1:2020 for capture efficiency testing, EN 1093-3 for containment verification, ASTM E84 for surface burning characteristics

制造该组件的工厂

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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

What maintenance is required for exhaust hoods in ladle preheating applications?

Monthly inspection of seals and gaskets, quarterly cleaning of internal surfaces to remove particulate buildup, annual verification of capture velocities, and replacement of ceramic insulation every 3-5 years depending on operating conditions.

How is capture efficiency measured for these exhaust hoods?

Capture efficiency is measured using tracer gas testing (SF6 or CO2) according to ISO 21904 standards, with typical requirements of ≥95% capture efficiency for hazardous fumes at design operating conditions.

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初步技术归类
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请求制造能力信息: 排气罩

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URN:CNFX:ME:UNIT:EXHAUST_HOOD