---
title: "Chemical Reactor Agitator Blade"
industry: "Basic Chemical Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:CHEMICAL_REACTOR_AGITATOR_BLADE"
  data_integrity_hash: "19a5f1e5fb3075fdab35450a556b29b2"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:CHEMICAL_REACTOR_AGITATOR_BLADE"
  data_source_uri: "https://cnfx.com/llms/industry/basic-chemical-manufacturing/product/chemical-reactor-agitator-blade.md"
  official_resource_url: "https://cnfx.com/industry/basic-chemical-manufacturing/product/chemical-reactor-agitator-blade"
  is_verified_logic: true
attributes:
  diameter:
    status: "config-dependent"
    typical_range: "0.5-3.0 m/s tip speed, 0.1-5.0 Pa·s fluid viscosity, 20-150°C temperature"
    unit: "mm"
  thickness:
    status: "config-dependent"
    typical_range: "0.5-3.0 m/s tip speed, 0.1-5.0 Pa·s fluid viscosity, 20-150°C temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "MPa"
    consequence: "High-cycle fatigue from turbulent vortex shedding at Strouhal number 0.21, stress corrosion cracking in chloride environments above 60°C, abrasive wear at particle velocities exceeding 2.5 m/s"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Resonant excitation at blade natural frequency of 47 Hz"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Stiffness tuning to shift natural frequency to 35 Hz, fillet radius increase to 15 mm"
  - node_2:
      trigger: "Cavitation bubble collapse pressure of 150 MPa"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hydrodynamic redesign to maintain NPSHa &gt; NPSHr by 1.5 m, hardened coating application of 300 HV"
bom_nodes:
  blade-plate:
    type: "component"
    urn: "URN:CNFX:ME:BLADE_PLATE"
    interface_type: "physical-logic-coupled"
  hub:
    type: "component"
    urn: "URN:CNFX:ME:HUB"
    interface_type: "physical-logic-coupled"
  reinforcement-ribs:
    type: "component"
    urn: "URN:CNFX:ME:REINFORCEMENT_RIBS"
    interface_type: "physical-logic-coupled"
  mounting-bolts:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BOLTS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 2858:2012 - END-SUCTION CENTRIFUGAL PUMPS (DESIGNATION, NOMINAL DUTY POINT AND DIMENSIONS)"
    scope: "Verified Engineering Specification"
  - standard: "ASME B73.1-2012 - SPECIFICATION FOR HORIZONTAL END SUCTION CENTRIFUGAL PUMPS FOR CHEMICAL PROCESS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/basic-chemical-manufacturing/product/chemical-reactor-agitator-blade.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "6d3637defeebfda71e1f7f9fbe5695bdf8210801ee40878f5071a03aba788bd6"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Chemical Reactor Agitator Blade

## 1. Technical Definition
Mechanical blade for mixing chemicals in industrial reactors

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-3.0 m/s tip speed, 0.1-5.0 Pa·s fluid viscosity, 20-150°C temperature**. Failure boundary: **Yield strength exceedance at 250 MPa stress (AISI 316L), 0.8 mm crack propagation length, 10% blade mass loss from erosion**, Mechanism: **High-cycle fatigue from turbulent vortex shedding at Strouhal number 0.21, stress corrosion cracking in chloride environments above 60°C, abrasive wear at particle velocities exceeding 2.5 m/s**.

### 2.1 Analytical Physics Model
Governed by the **Hansen Solubility Distance (HSP)**:

> **Primary Equation**: $R_a = \sqrt{4\Delta\delta_d^2 + \Delta\delta_p^2 + \Delta\delta_h^2}$  
> **Engineering Impact**: Predicts seal/gasket swelling when exposed to CIP chemicals.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| \delta_d | Dispersive | Engineering Constant |
| \delta_p | Polar | Engineering Constant |
| \delta_h | Hydrogen | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Resonant excitation at blade natural frequency of 47 Hz | 8 | Fatigue fracture at blade root fillet | Stiffness tuning to shift natural frequency to 35 Hz, fillet radius increase to 15 mm |
| Cavitation bubble collapse pressure of 150 MPa | 8 | Surface pitting erosion at 0.1 mm/year rate | Hydrodynamic redesign to maintain NPSHa &gt; NPSHr by 1.5 m, hardened coating application of 300 HV |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| diameter | Config-dependent | mm | Verified |
| thickness | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Industrial Reactor Vessel**, **Variable Frequency Drive (VFD) Motor**, **Seal System (Mechanical or Magnetic)**  
**Downstream Applications**: Polymer Resins, Pharmaceutical Intermediates, Specialty Chemical Compounds  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are best for corrosive chemical mixing applications?
**A**: For highly corrosive environments, hastelloy C-276 offers superior resistance to chlorides and oxidizing agents, while titanium alloy excels in chloride and acid services. Stainless steel 316L is cost-effective for moderate corrosion resistance.

### Q: How do I select the correct agitator blade diameter for my reactor?
**A**: Blade diameter should typically be 1/3 to 1/2 of the reactor diameter for optimal mixing efficiency. Consider viscosity, mixing intensity requirements, and reactor geometry when specifying dimensions.

### Q: What maintenance is required for reactor agitator blades?
**A**: Regular inspection for corrosion, erosion, and mechanical integrity is essential. Check mounting bolts for proper torque, inspect reinforcement ribs for stress cracks, and monitor blade thickness for wear in abrasive applications.

## 6. Manufacturing Compliance
- ISO 2858:2012 - END-SUCTION CENTRIFUGAL PUMPS (DESIGNATION, NOMINAL DUTY POINT AND DIMENSIONS)
- ASME B73.1-2012 - SPECIFICATION FOR HORIZONTAL END SUCTION CENTRIFUGAL PUMPS FOR CHEMICAL PROCESS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Chemical Reactor Agitator Blade](https://cnfx.com/industry/basic-chemical-manufacturing/product/chemical-reactor-agitator-blade)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: CHEMICAL_REACTOR_AGITATOR_BLADE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 165a1ccb
