行业组件数据 · 2026

搅拌桨叶/叶片

Industrial mixing blades and paddles are rotating components designed to blend, homogenize, and agitate fluids or semi-solids within vessels.

技术定义与适配语境
典型 搅拌桨叶/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。

Mixing blades and paddles are critical components of agitators, engineered to impart mechanical energy into process materials. They facilitate mass and heat transfer, suspension of solids, dispersion of immiscible liquids, and promotion of chemical reactions through controlled fluid dynamics. Their design directly influences mixing efficiency, power consumption, and process outcomes in batch or continuous operations.

组件规格

定义
Mixing blades and paddles are critical components of agitators, engineered to impart mechanical energy into process materials. They facilitate mass and heat transfer, suspension of solids, dispersion of immiscible liquids, and promotion of chemical reactions through controlled fluid dynamics. Their design directly influences mixing efficiency, power consumption, and process outcomes in batch or continuous operations.
工作原理
Mixing blades operate by rotating within a vessel, creating fluid motion through shear, turbulence, and bulk flow. The blade geometry determines the flow pattern: radial flow blades (like Rushton turbines) push fluid outward, axial flow blades (like pitched blade turbines) move fluid up/down, and high-shear blades generate intense local turbulence. This mechanical agitation reduces concentration and temperature gradients, ensuring uniform product properties.
材料
Common materials include 316L stainless steel (for corrosion resistance)carbon steel (for general use)Hastelloy (for extreme corrosion)and polypropylene/PTFE (for chemical inertness). Material selection depends on process fluid compatibilitytemperatureabrasion resistanceand hygiene requirements (e.g.food/pharmaceutical grades).
Diameter
Typically 30-70% of vessel diameter
Tip Speed
Critical for shear-sensitive materials
Blade Count
2-6 blades per impeller
Power Number
Dimensionless parameter for power calculation
Rotation Speed
50-1500 RPM (varies by application)
标准
ISO 2858DIN 28136ASME BPE

行业分类与别名

搅拌桨叶/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

Corrosion from aggressive chemicals->Blade thinning, pitting, or fracture->Use corrosion-resistant alloys (Hastelloy, duplex stainless steel), apply protective coatings, implement regular thickness inspections
Fatigue from cyclic loading->Crack propagation at blade root->Design with adequate fillet radii, avoid stress concentrators, use fatigue-resistant materials, monitor for vibration changes

工业生态与工程逻辑

0
Inefficient mixing leading to product inconsistency
1
Mechanical failure from corrosion or fatigue
2
Excessive shear damaging sensitive materials
3
Imbalance causing vibration and bearing wear

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, surface finish Ra ≤ 0.8 μm for hygienic applications
test method
Performance testing per ISO 9101 (mixing efficiency), material certification per ASTM A240, NDE (dye penetrant or ultrasonic) for defect detection

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 is the difference between radial and axial flow mixing blades?

Radial flow blades (e.g., Rushton turbines) discharge fluid perpendicular to the shaft, ideal for gas dispersion and high shear. Axial flow blades (e.g., pitched blade turbines) discharge fluid parallel to the shaft, suitable for solid suspension and blending with lower power consumption.

How do I select the right material for mixing blades?

Consider chemical compatibility (pH, solvents), temperature range, abrasion from solids, hygiene standards (e.g., FDA for food), and cost. Stainless steel 316L is common for corrosive environments; plastics like PTFE are used for highly reactive chemicals.

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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
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

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URN:CNFX:ME:UNIT:MIXING_BLADES_PADDLES