---
title: "Blast Furnace Gas Burner Nozzle"
industry: "Iron and Steel Basic Production"
verification_protocol:
  urn: "URN:CNFX:ME:BLAST_FURNACE_GAS_BURNER_NOZZLE"
  data_integrity_hash: "ca89386d520229145b30ac2d31190924"
  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:BLAST_FURNACE_GAS_BURNER_NOZZLE"
  data_source_uri: "https://cnfx.com/llms/industry/iron-steel-basic-production/product/blast-furnace-gas-burner-nozzle.md"
  official_resource_url: "https://cnfx.com/industry/iron-steel-basic-production/product/blast-furnace-gas-burner-nozzle"
  is_verified_logic: true
attributes:
  primary_spec:
    status: "config-dependent"
    typical_range: "0.8-1.2 MPa (8-12 bar) at 1200-1500°C gas temperature"
    unit: "mm"
  secondary_spec:
    status: "config-dependent"
    typical_range: "0.8-1.2 MPa (8-12 bar) at 1200-1500°C gas temperature"
    unit: "degrees"
engineering_limits:
  max_safe_operating_point:
    value: 450
    unit: "MPa"
    consequence: "Thermal fatigue from cyclic heating (1200°C) and cooling (200°C) during furnace charging cycles, causing crack initiation at stress concentrations exceeding 350 MPa"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Carbon deposition from gas decomposition at temperatures below 750°C"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Maintain gas preheat temperature above 800°C with PID-controlled electric heaters"
  - node_2:
      trigger: "Sulfur-induced corrosion from H₂S concentration exceeding 150 ppm in blast furnace gas"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Apply aluminide diffusion coating (50-75 μm thickness) on internal surfaces"
bom_nodes:
  nozzle-body:
    type: "component"
    urn: "URN:CNFX:ME:NOZZLE_BODY"
    interface_type: "physical-logic-coupled"
  orifice-insert:
    type: "component"
    urn: "URN:CNFX:ME:ORIFICE_INSERT"
    interface_type: "physical-logic-coupled"
  thermal-barrier-coating:
    type: "component"
    urn: "URN:CNFX:ME:THERMAL_BARRIER_COATING"
    interface_type: "physical-logic-coupled"
  mounting-flange:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_FLANGE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 13705:2012 (PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - FIRED HEATERS FOR GENERAL REFINERY SERVICE)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B31.3:2022 (PROCESS PIPING)"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 746-2:2010 (INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 2: SAFETY REQUIREMENTS FOR COMBUSTION AND FUEL HANDLING SYSTEMS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/iron-steel-basic-production/product/blast-furnace-gas-burner-nozzle.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "4c42e1cd1ec26772dc40f9034ebb72bb60606d6cd2872450572b042ec1a32eef"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Blast Furnace Gas Burner Nozzle

## 1. Technical Definition
High-temperature nozzle for injecting and atomizing blast furnace gas in steelmaking furnaces

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.8-1.2 MPa (8-12 bar) at 1200-1500°C gas temperature**. Failure boundary: **Material yield strength threshold of 450 MPa at 850°C for Inconel 718 alloy**, Mechanism: **Thermal fatigue from cyclic heating (1200°C) and cooling (200°C) during furnace charging cycles, causing crack initiation at stress concentrations exceeding 350 MPa**.

### 2.1 Analytical Physics Model
Governed by the **Heat Sterilization F0 Lethality Model**:

> **Primary Equation**: $F_0 = \int_{0}^{t} 10^{(T-121.1)/z} dt$  
> **Engineering Impact**: Validates microbial reduction integrity for aseptic packaging.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| T | Process Temp (°C) | **$T \in [1200-1500°C]$ °C** (Per `temperature_range`) |
| t | Exposure Time (min) | Engineering Constant |
| z | Z-value | **10 °C** (Standard for *C. botulinum*) |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Carbon deposition from gas decomposition at temperatures below 750°C | 8 | Nozzle orifice blockage reducing flow area by &gt;40% | Maintain gas preheat temperature above 800°C with PID-controlled electric heaters |
| Sulfur-induced corrosion from H₂S concentration exceeding 150 ppm in blast furnace gas | 8 | Intergranular corrosion reducing wall thickness below 2.5 mm minimum design thickness | Apply aluminide diffusion coating (50-75 μm thickness) on internal surfaces |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| primary_spec | Config-dependent | mm | Verified |
| secondary_spec | Config-dependent | degrees | Verified |

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Blast Furnace Gas Compressor**, **High-Pressure Gas Control Valve System**, **Furnace Temperature Monitoring System**  
**Downstream Applications**: Hot Rolled Steel Coils, Steel Billets, Steel Slabs  

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

### Q: What materials are used in this blast furnace gas burner nozzle?
**A**: This nozzle is constructed from high-chromium stainless steel for durability and features a ceramic-lined alloy interior for enhanced thermal resistance and longevity in high-temperature steelmaking environments.

### Q: What is the maximum operating temperature for this nozzle?
**A**: The nozzle is designed for maximum operating temperatures up to the specified °C (exact value depends on model), making it suitable for intense heat conditions in blast furnace gas injection applications.

### Q: How does this nozzle improve blast furnace gas combustion?
**A**: The nozzle features precise orifice design and optimal spray angle to ensure proper atomization and injection of blast furnace gas, promoting efficient combustion and consistent furnace performance in steel production.

## 6. Manufacturing Compliance
- ISO 13705:2012 (PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - FIRED HEATERS FOR GENERAL REFINERY SERVICE)
- ANSI/ASME B31.3:2022 (PROCESS PIPING)
- DIN EN 746-2:2010 (INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 2: SAFETY REQUIREMENTS FOR COMBUSTION AND FUEL HANDLING SYSTEMS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Blast Furnace Gas Burner Nozzle](https://cnfx.com/industry/iron-steel-basic-production/product/blast-furnace-gas-burner-nozzle)**

### 🌐 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**: BLAST_FURNACE_GAS_BURNER_NOZZLE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 1ff0d806
