---
title: "Asphalt Tank"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ASPHALT_TANK"
  data_integrity_hash: "1c917d928501a7867fd91f5a58d4ef77"
  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:ASPHALT_TANK"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/asphalt-tank.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/asphalt-tank"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-0.5 MPa (1-5 bar) at 150-190°C"
    unit: "L"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "MPa"
    consequence: "Thermal fatigue from cyclic heating (150-190°C) combined with pressure cycling (0.1-0.5 MPa) causes crack initiation at weld seams due to coefficient of thermal expansion mismatch (12.0×10⁻⁶/°C for steel vs 8.0×10⁻⁶/°C for insulation)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Asphalt solidification at 93°C pour point due to insufficient heating element power density (below 500 W/m²)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install helical baffle plates with 45° pitch angle to maintain turbulent flow (Re &gt; 4000) and uniform temperature distribution"
  - node_2:
      trigger: "Corrosive sulfur compounds (H₂S concentration &gt; 50 ppm) in asphalt at 180°C"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Apply 3 mm thick Inconel 625 cladding (Ni-Cr-Mo alloy) on internal surfaces with 99.7% weld coverage"
bom_nodes:
  heating-coils:
    type: "part"
    urn: "URN:CNFX:ME:HEATING_COILS"
    interface_type: "physical-logic-coupled"
  agitator-system:
    type: "part"
    urn: "URN:CNFX:ME:AGITATOR_SYSTEM"
    interface_type: "physical-logic-coupled"
  thermal-insulation-layer:
    type: "component"
    urn: "URN:CNFX:ME:THERMAL_INSULATION_LAYER"
    interface_type: "physical-logic-coupled"
  discharge-valve:
    type: "part"
    urn: "URN:CNFX:ME:DISCHARGE_VALVE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "CE MARKING - EU DIRECTIVE 2014/68/EU FOR PRESSURE EQUIPMENT"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/asphalt-tank.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "e31130da8be11d3fb9d2329808aa620d5eaf371b2798ed90c6aef5bc88ab8a3e"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Asphalt Tank

## 1. Technical Definition
Storage and heating container for liquid asphalt in asphalt distributor trucks

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-0.5 MPa (1-5 bar) at 150-190°C**. Failure boundary: **Tank wall stress exceeds 250 MPa yield strength of ASTM A516 Grade 70 steel at 200°C**, Mechanism: **Thermal fatigue from cyclic heating (150-190°C) combined with pressure cycling (0.1-0.5 MPa) causes crack initiation at weld seams due to coefficient of thermal expansion mismatch (12.0×10⁻⁶/°C for steel vs 8.0×10⁻⁶/°C for insulation)**.

### 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) | **$T \in [150-190°C]$ °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 |
| :--- | :--- | :--- | :--- |
| Asphalt solidification at 93°C pour point due to insufficient heating element power density (below 500 W/m²) | 8 | Thermal stratification causing differential expansion stresses exceeding 150 MPa at tank bottom | Install helical baffle plates with 45° pitch angle to maintain turbulent flow (Re &gt; 4000) and uniform temperature distribution |
| Corrosive sulfur compounds (H₂S concentration &gt; 50 ppm) in asphalt at 180°C | 8 | Sulfide stress cracking initiating at 0.1 mm depth with crack growth rate of 1×10⁻⁸ m/s | Apply 3 mm thick Inconel 625 cladding (Ni-Cr-Mo alloy) on internal surfaces with 99.7% weld coverage |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | L | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Heating Coils](https://cnfx.com/llms/industry/non-metallic-mineral-product-manufacturing/product/heating-coils.md) `(Standalone System)`
- [Agitator System](https://cnfx.com/llms/industry/non-metallic-mineral-product-manufacturing/product/agitator-system.md) `(Standalone System)`
- [Discharge Valve](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/discharge-valve.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Asphalt Distributor Truck**, **Asphalt Heating System**, **Asphalt Pumping System**  
**Downstream Applications**: Road Asphalt Layer, Parking Lot Surface, Driveway Coating  

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

### Q: What materials are used in asphalt tank construction?
**A**: Our asphalt tanks are primarily constructed from carbon steel or stainless steel, with thermal insulation materials to maintain optimal asphalt temperature during storage and transport.

### Q: How does the heating system work in asphalt tanks?
**A**: Heating coils integrated into the tank design maintain liquid asphalt at required temperatures, preventing solidification and ensuring proper viscosity for distribution applications.

### Q: What components are included in the asphalt tank BOM?
**A**: The bill of materials includes an agitator system for consistent asphalt mixing, discharge valves for controlled release, heating coils for temperature maintenance, and thermal insulation layers for energy efficiency.

## 6. Manufacturing Compliance
- CE MARKING - EU DIRECTIVE 2014/68/EU FOR PRESSURE EQUIPMENT

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Asphalt Tank](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/asphalt-tank)**

### 🌐 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**: ASPHALT_TANK | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: eea7a453
