行业组件数据 · 2026

除尘罩/防护罩

Industrial dust hood designed to capture airborne particles at source in manufacturing environments.

技术定义与适配语境
典型 除尘罩/防护罩 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

A dust hood or shroud is a critical component of industrial dust suppression systems that encloses or surrounds dust-generating processes to contain and capture airborne particulate matter before it disperses into the work environment. It functions as the primary collection point, connected to ductwork that transports captured dust to filtration or collection units.

组件规格

定义
A dust hood or shroud is a critical component of industrial dust suppression systems that encloses or surrounds dust-generating processes to contain and capture airborne particulate matter before it disperses into the work environment. It functions as the primary collection point, connected to ductwork that transports captured dust to filtration or collection units.
工作原理
Operates on the principle of containment and negative pressure capture. The hood creates an enclosure around dust sources, while connected ventilation systems generate airflow that draws particles into the collection system. Proper design ensures capture velocity exceeds particle escape velocity while minimizing energy consumption.
材料
Typically constructed from galvanized steel (0.8-2.0mm thickness)stainless steel (304/316 grade for corrosive environments)aluminum (for lightweight applications)or engineered plastics (polypropylenePVC for chemical resistance). Gaskets often use silicone or neoprene for sealing.
Connection Size
100-600 mm diameter standard
Capture Velocity
0.5-2.5 m/s depending on particle characteristics
Temperature Range
-20°C to 200°C (material dependent)
Enclosure Efficiency
85-99% capture rate
Static Pressure Loss
50-250 Pa
Hood Entry Loss Coefficient
0.25-0.93
标准
ISO 2151DIN 24196ACGIH Industrial Ventilation Manual

行业分类与别名

除尘罩/防护罩 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

Poor hood design with insufficient capture velocity->Dust escapes containment, contaminating work environment->Conduct computational fluid dynamics (CFD) analysis during design, install velocity sensors with alarms, implement regular performance testing
Material fatigue or corrosion->Structural compromise leading to system failure->Select appropriate corrosion-resistant materials, implement corrosion monitoring program, establish replacement schedules based on material lifespan

工业生态与工程逻辑

0
Inadequate capture leading to worker exposure
1
Fire/explosion hazard with combustible dusts
2
Material degradation from chemical exposure
3
Ergonomic issues from poor accessibility

合规与检测

tolerance
±5% on capture velocity measurements, ±2mm on dimensional specifications for mating surfaces
test method
ANSI/ASHRAE 110-2016 for containment testing, ISO 12103-1 for particle capture efficiency, visual inspection per NFPA 654 for combustible dust applications

制造该组件的工厂

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

What factors determine dust hood sizing?

Hood sizing depends on dust generation rate, particle characteristics (size, density), process geometry, required capture velocity, and available ventilation capacity. Engineering calculations consider these factors to optimize capture efficiency.

How often should dust hoods be inspected?

Visual inspections should occur weekly, with detailed performance testing quarterly. Regular maintenance includes checking seals, cleaning interior surfaces, and verifying capture velocities remain within design specifications.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
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请求制造能力信息: 除尘罩/防护罩

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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URN:CNFX:ME:UNIT:DUST_HOOD_SHROUD