行业组件数据 · 2026

叶轮

Impeller is a rotating component in agitation assemblies that transfers energy to fluids for mixing, blending, or pumping applications.

技术定义与适配语境
典型 叶轮 会按材料、尺寸公差、适配关系和失效风险在 化学制造 中评估。

An impeller is a rotor with curved blades designed to accelerate fluid radially outward from the center of rotation. In agitation assemblies, it converts rotational mechanical energy into kinetic energy and pressure in the fluid, creating flow patterns essential for homogenization, suspension, heat transfer, and chemical reactions. Impellers are characterized by their blade geometry, diameter, rotational speed, and flow direction (axial, radial, or mixed).

组件规格

定义
An impeller is a rotor with curved blades designed to accelerate fluid radially outward from the center of rotation. In agitation assemblies, it converts rotational mechanical energy into kinetic energy and pressure in the fluid, creating flow patterns essential for homogenization, suspension, heat transfer, and chemical reactions. Impellers are characterized by their blade geometry, diameter, rotational speed, and flow direction (axial, radial, or mixed).
工作原理
Impellers operate on the principle of centrifugal force and fluid dynamics. As the impeller rotates, its blades impart momentum to the surrounding fluid, creating a pressure differential that induces flow. In agitation systems, this generates turbulence, shear forces, and circulation patterns (such as axial flow for top-to-bottom mixing or radial flow for high-shear applications) to achieve desired mixing objectives like dispersion, emulsification, or solid suspension.
材料
Stainless steel (AISI 304316316L)carbon steelduplex stainless steelHastelloytitaniumpolypropylenePTFEor ceramic-coated metalsselected based on corrosion resistancemechanical strengthand compatibility with process fluids.
Diameter
100-2000 mm
Flow Type
Axial, Radial, Mixed
Blade Count
3-6 blades
Rotation Speed
50-1500 RPM
Pressure Rating
Up to 10 bar
Power Requirement
0.5-100 kW
Operating Temperature
-20°C to 200°C
标准
ISO 2858DIN 24256ASME B73.1

行业分类与别名

叶轮 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

Material fatigue or corrosion->Blade fracture or deformation->Use corrosion-resistant materials, regular inspection, and stress analysis during design.
Improper installation or alignment->Excessive vibration and bearing damage->Follow manufacturer alignment procedures, use dynamic balancing, and monitor vibration levels.

工业生态与工程逻辑

0
Cavitation due to improper speed or design
1
Corrosion from aggressive chemicals
2
Imbalance causing vibration and wear
3
Fouling or clogging in viscous fluids

合规与检测

tolerance
Dimensional tolerance per ISO 2768-m, balance quality grade G6.3 per ISO 1940-1
test method
Performance testing per ISO 9104 for flow rate and power draw, material certification per ASTM A240

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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

What is the difference between axial and radial flow impellers?

Axial flow impellers (e.g., pitched blade turbines) move fluid parallel to the shaft, ideal for blending and suspension. Radial flow impellers (e.g., Rushton turbines) discharge fluid perpendicular to the shaft, generating high shear for dispersion and gas-liquid mixing.

How do I select the right impeller for my application?

Consider fluid viscosity, mixing objective (e.g., homogenization, solids suspension), tank geometry, and power availability. Low-viscosity fluids often use axial impellers, while high-viscosity or shear-sensitive applications may require specialized designs like helical ribbons or anchors.

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CNFX Industrial Component Index · 化学制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:IMPELLER_S_