---
title: "Reaction Vessel"
industry: "Basic Metal Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:REACTION_VESSEL"
  data_integrity_hash: "fbbfa7d170096956172225b09c5cca44"
  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:REACTION_VESSEL"
  data_source_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/reaction-vessel.md"
  official_resource_url: "https://cnfx.com/industry/basic-metal-manufacturing/product/reaction-vessel"
  is_verified_logic: true
attributes:
  primary_spec:
    status: "config-dependent"
    typical_range: "0.1-2.5 MPa at 1450-1650°C"
    unit: "cubic meters"
engineering_limits:
  max_safe_operating_point:
    value: 3.2
    unit: "MPa"
    consequence: "Creep rupture due to Larson-Miller parameter exceeding 35 (P=σ[log(t)+20]×10⁻³) where σ=stress in MPa, t=time in hours"
fmea_matrix_quantitative:
  - node_1:
      trigger: "CaO desulfurizing agent hydration forming Ca(OH)₂ with 44% volume expansion"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Moisture-controlled agent injection system maintaining &lt;0.5% H₂O content"
  - node_2:
      trigger: "Thermal cycling between 1450°C and 1650°C exceeding 100 cycles"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Graded zirconia-alumina refractory with 0.8 W/m·K thermal conductivity gradient"
bom_nodes:
  refractory_lining:
    type: "component"
    urn: "URN:CNFX:ME:REFRACTORY_LINING"
    interface_type: "physical-logic-coupled"
  steel_shell:
    type: "component"
    urn: "URN:CNFX:ME:STEEL_SHELL"
    interface_type: "physical-logic-coupled"
  lance_ports:
    type: "component"
    urn: "URN:CNFX:ME:LANCE_PORTS"
    interface_type: "physical-logic-coupled"
  thermocouple_wells:
    type: "component"
    urn: "URN:CNFX:ME:THERMOCOUPLE_WELLS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "PED 2014/68/EU - PRESSURE EQUIPMENT DIRECTIVE"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/reaction-vessel.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "02f471c3335fb5cf37b6f3fdb772640e21ae62ba215fdc22ffee69730d541a28"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Reaction Vessel

## 1. Technical Definition
The primary containment vessel where molten metal and desulfurizing agents interact to remove sulfur impurities.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-2.5 MPa at 1450-1650°C**. Failure boundary: **3.2 MPa internal pressure at 1700°C or 0.05 MPa vacuum at 1400°C**, Mechanism: **Creep rupture due to Larson-Miller parameter exceeding 35 (P=σ[log(t)+20]×10⁻³) where σ=stress in MPa, t=time in hours**.

### 2.1 Analytical Physics Model
Governed by the **Thin-Wall Pressure Vessel Stress Analysis**:

> **Primary Equation**: $\sigma_h = \frac{P \cdot D}{2t}$  
> **Engineering Impact**: Determines the hoop stress boundary to prevent rupture.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Internal Pressure | Engineering Constant |
| D | Diameter | Engineering Constant |
| t | Wall Thickness | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| CaO desulfurizing agent hydration forming Ca(OH)₂ with 44% volume expansion | 8 | Vessel wall stress exceeding 250 MPa yield strength at 1600°C | Moisture-controlled agent injection system maintaining &lt;0.5% H₂O content |
| Thermal cycling between 1450°C and 1650°C exceeding 100 cycles | 8 | Thermal fatigue cracking initiating at 0.5 mm depth in refractory lining | Graded zirconia-alumina refractory with 0.8 W/m·K thermal conductivity gradient |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| primary_spec | Config-dependent | cubic meters | Verified |

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Ladle Preheater**, **Desulfurizing Agent Injection System**, **Fume Extraction System**  
**Downstream Applications**: Desulfurized Steel Billets, Low-Sulfur Steel Plates, High-Purity Steel Ingots  

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

### Q: What is the primary function of this reaction vessel in basic metal manufacturing?
**A**: This reaction vessel serves as the primary containment unit where molten metal interacts with desulfurizing agents to remove sulfur impurities, improving metal quality and reducing brittleness.

### Q: What materials make this vessel suitable for high-temperature desulfurization processes?
**A**: The vessel features a refractory-lined steel construction with high-temperature alloys, designed to withstand extreme operating temperatures while maintaining structural integrity during sulfur removal reactions.

### Q: What are the key components included in this reaction vessel's bill of materials?
**A**: The BOM includes lance ports for agent injection, refractory lining for thermal protection, steel shell for structural support, and thermocouple wells for temperature monitoring during desulfurization.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- PED 2014/68/EU - PRESSURE EQUIPMENT DIRECTIVE

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Reaction Vessel](https://cnfx.com/industry/basic-metal-manufacturing/product/reaction-vessel)**

### 🌐 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**: REACTION_VESSEL | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: dfafe372
