Structured Manufacturing Data (2026)

Melt Surge Tank

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Melt Surge Tank used in the Chemical Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Melt Surge Tank is characterized by the integration of Tank Shell and Heating Jacket/Coils. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 304L, 316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized tank designed to temporarily store and regulate the flow of molten ammonium nitrate within a continuous production system, preventing pressure surges and ensuring stable operation.

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Product Specifications

Technical details and manufacturing context for Melt Surge Tank

Definition
The Melt Surge Tank is a critical component within the Continuous Ammonium Nitrate Melt Production and Concentration System. It acts as an intermediate buffer vessel that receives molten ammonium nitrate from the concentration stage. Its primary function is to absorb flow variations and pressure fluctuations, providing a steady, controlled supply of melt to downstream processes such as prilling or granulation. This regulation is essential for maintaining product quality consistency, preventing system overloads, and ensuring the safety and efficiency of the continuous chemical manufacturing line.
Working Principle
The tank operates by receiving a variable inflow of hot, concentrated ammonium nitrate melt. Its volume provides hydraulic capacitance, allowing the liquid level to rise and fall to dampen flow rate changes. It may be equipped with level sensors, heating jackets or coils to maintain the melt above its crystallization point, and an outlet control valve or pump. The principle is one of mass balance and pressure equalization, transforming an intermittent or variable input into a more constant, manageable output for the next stage of the process.
Common Materials
Stainless Steel (e.g., 304L, 316L), Carbon Steel (with appropriate lining)
Technical Parameters
  • Working volume capacity, determining the surge absorption capability and residence time of the melt. (m³) Customizable
Components / BOM
  • Tank Shell Part
    Primary pressure-containing body of the vessel.
    Material: Stainless Steel / Carbon Steel
  • Heating Jacket/Coils
    Maintains the ammonium nitrate melt in a liquid state by providing external heat.
    Material: Stainless Steel
  • Level Sensor/Transmitter
    Measures and controls the melt level within the tank to regulate inflow/outflow.
    Material: Stainless Steel (wetted parts)
  • Insulation Layer Part
    Minimizes heat loss from the tank to improve energy efficiency and maintain safe external surface temperatures.
    Material: Mineral Wool / Calcium Silicate

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Melt Surge Tank.

molten ammonium nitrate surge tank chemical manufacturing pressure regulation tank continuous production melt surge vessel stainless steel ammonium nitrate storage industrial chemical process surge prevention

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0-2 bar gauge (designed for low-pressure surge absorption)
flow rate: Up to 50 m³/h (dependent on system configuration)
temperature: 170-200°C (typical ammonium nitrate melt temperature range)
slurry concentration: Not applicable - designed for pure molten ammonium nitrate (100% melt)
Media Compatibility
✓ Molten ammonium nitrate production ✓ Continuous fertilizer manufacturing lines ✓ Nitric acid-based chemical processes
Unsuitable: Aqueous ammonium nitrate solutions or slurry systems (requires different corrosion/design considerations)
Sizing Data Required
  • Maximum expected surge volume (m³)
  • System pressure rating requirements (bar)
  • Required residence time for stabilization (seconds)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal stress cracking
Cause: Rapid temperature fluctuations in molten material causing uneven expansion/contraction of tank walls and welds
Corrosion/erosion at liquid-air interface
Cause: Oxidation and chemical attack at the melt surface level combined with material flow patterns
Maintenance Indicators
  • Visible weeping or small leaks at weld seams indicating crack propagation
  • Abnormal temperature gradients on tank exterior detected via thermal imaging
Engineering Tips
  • Implement controlled heating/cooling cycles with ramp rates not exceeding manufacturer specifications to minimize thermal shock
  • Install sacrificial anode system or apply protective refractory lining at the liquid-air interface zone to combat localized corrosion

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASME BPVC Section VIII - Pressure Vessels EN 13445 - Unfired Pressure Vessels
Manufacturing Precision
  • Wall Thickness: +/-5% of nominal thickness
  • Nozzle Alignment: +/-1.5° from specified orientation
Quality Inspection
  • Hydrostatic Pressure Test
  • Ultrasonic Thickness Testing

Factories Producing Melt Surge Tank

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a Melt Surge Tank in chemical manufacturing?

The Melt Surge Tank temporarily stores and regulates the flow of molten ammonium nitrate within continuous production systems, preventing pressure surges that could disrupt operations and ensuring stable, consistent process flow.

What materials are recommended for constructing a Melt Surge Tank?

Melt Surge Tanks are typically constructed from corrosion-resistant materials like Stainless Steel (304L or 316L grades) or Carbon Steel with appropriate protective linings to withstand the high temperatures and chemical properties of molten ammonium nitrate.

What key components are included in a standard Melt Surge Tank BOM?

A standard Bill of Materials includes: Tank Shell (primary containment), Heating Jacket/Coils to maintain optimal temperature, Insulation Layer for thermal efficiency, and Level Sensor/Transmitter for precise monitoring and control of molten material levels.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Chemical Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
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