Blade Plate: Diameter 200-2000 mm, Thickness 3-20 mm

Component Specifications

Definition

A blade plate is a flat or curved metallic component mounted on the shaft of a chemical reactor agitator. It converts rotational energy into fluid motion through hydrodynamic forces, creating turbulence, shear, and circulation patterns essential for chemical reactions, heat transfer, and mass transfer processes in industrial reactors.

Working Principle

The blade plate operates on hydrodynamic principles where rotational motion creates pressure differentials. As it rotates, it pushes fluid radially and axially, generating flow patterns (radial, axial, or tangential) that promote mixing, suspension of solids, dispersion of gases, and enhancement of heat and mass transfer coefficients.

Materials

Stainless steel (316L, 304), Hastelloy, Titanium, Nickel alloys, or specialized coatings for corrosion resistance. Material selection depends on chemical compatibility, temperature (up to 300°C), pressure, and abrasion requirements.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Diameter	200-2000 mm
Thickness	3-20 mm
Blade Count	2-6 blades
Rotation Speed	50-500 RPM
Surface Finish	Ra 0.8-3.2 μm
Power Requirement	5-100 kW

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 2858, DIN 28136, ASME BPE

Parent Products

This component is used in the following industrial products

Chemical Reactor Agitator Blade

A precision-engineered mechanical component designed for installation on agitator shafts within chemical reactors.

View Product Details

Engineering Analysis

Risks & Mitigation

Corrosion failure in aggressive chemical environments
Fatigue cracking from cyclic loading
Imbalance causing vibration damage
Erosion from abrasive slurries
Cavitation damage in high-speed applications

FMEA Triads

Trigger: Chemical corrosion from acidic/alkaline solutions
Failure: Thinning and perforation of blade material
Mitigation: Use corrosion-resistant alloys, apply protective coatings, implement regular thickness monitoring

Trigger: Fatigue from cyclic stress during start-stop cycles
Failure: Crack propagation leading to blade fracture
Mitigation: Design with fatigue-resistant materials, implement stress relief features, establish preventive maintenance schedules

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm on critical dimensions, ±1° on blade angles

Test Method

Dimensional inspection per ISO 2768, material certification per ASTM/ASME standards, hydrostatic testing at 1.5x operating pressure, dynamic balancing to ISO 1940 G6.3

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Blade Plate

Manufacturer profiles associated with Blade Plate.

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Frequently Asked Questions

What factors determine blade plate material selection?

Material selection depends on chemical compatibility with process fluids, temperature range, pressure conditions, corrosion resistance requirements, abrasion from suspended solids, and regulatory compliance for industries like pharmaceuticals or food processing.

How does blade design affect mixing efficiency?

Blade geometry (pitch angle, curvature, width) determines flow patterns. Radial blades create high shear for dispersion, axial blades promote top-to-bottom circulation, while specialized designs like pitched-blade turbines optimize both mixing and pumping capacity.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Blade Plate