行业组件数据 · 2026

叶片

Blade is a key component of mixing impellers that transfers mechanical energy to fluids for homogenization, suspension, or dispersion in industrial processes.

技术定义与适配语境
典型 叶片 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。

A blade is the primary working element of a mixing impeller, designed to create fluid motion through rotational energy. It converts torque from the drive shaft into hydrodynamic forces that generate axial, radial, or tangential flow patterns depending on its geometry. Blades are engineered to optimize mixing efficiency, minimize power consumption, and handle specific fluid rheologies across various industrial applications.

组件规格

定义
A blade is the primary working element of a mixing impeller, designed to create fluid motion through rotational energy. It converts torque from the drive shaft into hydrodynamic forces that generate axial, radial, or tangential flow patterns depending on its geometry. Blades are engineered to optimize mixing efficiency, minimize power consumption, and handle specific fluid rheologies across various industrial applications.
工作原理
Blades operate on fluid dynamics principles where rotational motion creates pressure differentials. As blades rotate, they displace fluid, generating velocity gradients and shear forces. The blade angle, curvature, and surface area determine flow direction (axial for top-to-bottom circulation, radial for outward motion, or tangential for swirling). This mechanical agitation promotes mass transfer, heat exchange, and particle suspension by disrupting laminar flow and inducing turbulence in viscous or multiphase systems.
材料
Typically manufactured from stainless steel (AISI 304/316 for corrosion resistance)carbon steel (for non-corrosive applications)Hastelloy (for extreme chemical environments)or engineered plastics (PTFEpolypropylene for food/pharmaceutical use). Surface finishes range from polished (Ra<0.8μm for sanitary applications) to coated (epoxyrubber for abrasion resistance).
Diameter
150-3000 mm
Thickness
3-25 mm
Blade Count
2-6 blades
Maximum RPM
50-1800 rpm
Pitch Angle
15-90 degrees
Surface Area
0.1-2.5 m²
Pressure Rating
Up to 10 bar
Power Requirement
0.5-150 kW
标准
ISO 2858DIN 28136ASME B73.13-A Sanitary Standards

行业分类与别名

叶片 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 from cyclic stress->Blade fracture leading to catastrophic impeller failure->Regular NDT inspection, proper material selection for fatigue resistance, stress relief treatments
Corrosive chemical attack->Thinning and eventual perforation of blade material->Use corrosion-resistant alloys, protective coatings, regular thickness measurements
Improper installation or alignment->Excessive vibration causing bearing/seal damage->Precision alignment procedures, dynamic balancing, proper mounting torque

工业生态与工程逻辑

0
Cavitation damage from improper speed/viscosity matching
1
Fatigue failure from cyclic loading
2
Corrosion in chemical environments
3
Imbalance causing shaft vibration
4
Fouling reducing efficiency

合规与检测

tolerance
±0.5 mm on critical dimensions, ±1° on pitch angles, Ra 0.4-3.2 μm surface finish depending on application
test method
Dynamic balancing to ISO 1940 G6.3, material certification per ASTM/EN standards, dimensional verification with CMM, hydrostatic pressure testing for sealed blades

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 are the main types of mixing impeller blades?

The three primary types are axial flow blades (like pitched blade turbines for top-to-bottom circulation), radial flow blades (like straight blade turbines for high shear applications), and specialized blades (like hydrofoils for low power consumption or anchor blades for high viscosity fluids).

How do blade design parameters affect mixing performance?

Blade diameter determines flow rate, pitch angle controls flow direction, blade width affects shear rate, and number of blades influences power draw and flow patterns. Optimized designs balance mixing efficiency against energy consumption for specific fluid properties.

What maintenance is required for mixing blades?

Regular inspection for corrosion, erosion, or mechanical damage; checking bolt torque on mounted blades; verifying alignment to prevent vibration; and cleaning according to process requirements (CIP systems for sanitary applications).

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CNFX Industrial Component Index · 化学制造

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URN:CNFX:ME:UNIT:BLADE