Structured Manufacturing Data (2026)

Modular Urea Granulation and Prilling System

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Modular Urea Granulation and Prilling System used in the Fertilizers and Nitrogen Compounds Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Modular Urea Granulation and Prilling System is characterized by the integration of Urea Melt Distribution System and Rotary Granulation Drum. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel 316L construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Integrated industrial system for producing solid urea fertilizers through granulation or prilling processes.

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Product Specifications

Technical details and manufacturing context for Modular Urea Granulation and Prilling System

Definition
A complete production line system designed for the manufacturing of solid urea fertilizers from liquid urea melt. This integrated system transforms concentrated urea solution into uniform solid granules or prills through controlled cooling and solidification processes. It serves as the final stage in urea fertilizer production plants, converting liquid intermediates into market-ready solid products. The system is essential for B2B fertilizer manufacturers supplying agricultural markets with nitrogen-rich fertilizers in stable, transportable forms.
Working Principle
Liquid urea melt is atomized into droplets through high-pressure nozzles or formed into granules in rotating drums, then cooled and solidified in controlled environments to produce uniform solid particles with specific size distributions.
Common Materials
Stainless Steel 316L, Carbon Steel, High-Temperature Alloys, Ceramic Linings
Technical Parameters
  • Nominal production capacity (tons/day) Customizable
  • Particle size range (mm) Customizable
Components / BOM

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Modular Urea Granulation and Prilling System.

Urea Solidification System Fertilizer Granulation Line Prilling Tower System Urea Pelletizing Plant modular urea granulation system for fertilizer plants industrial urea prilling tower with fluidized bed cooler high-capacity urea melt distribution system stainless steel 316L urea granulation equipment customizable urea fertilizer production sys

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 0.5 bar gauge
flow rate: 5-100 tons/hour urea melt
temperature: 140-180°C (prilling), 120-160°C (granulation)
slurry concentration: 95-99.8% urea content
Media Compatibility
✓ Urea melt (ammonia/CO2 synthesis) ✓ Urea-ammonium nitrate solutions ✓ Formaldehyde-modified urea compounds
Unsuitable: Chloride-containing environments (risk of corrosion and product contamination)
Sizing Data Required
  • Required production capacity (tons/day)
  • Available footprint and height constraints
  • Cooling water temperature and availability

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion and stress cracking
Cause: Exposure to urea melt and ammonia vapors at elevated temperatures, combined with thermal cycling and residual stresses from fabrication, leading to chloride-induced stress corrosion cracking (SCC) in stainless steel components.
Granulator/prilling tower nozzle clogging and wear
Cause: Solidification and buildup of urea deposits due to improper temperature control, impurities in the feed, or inadequate purging, coupled with abrasive wear from high-velocity particle impact.
Maintenance Indicators
  • Visible ammonia vapor leaks or white crystalline deposits around welds, flanges, or valves, indicating corrosion or cracking.
  • Abnormal granule size distribution, irregular particle shape, or reduced production output, signaling nozzle blockages or wear in the granulation/prilling system.
Engineering Tips
  • Implement strict water chemistry control and use corrosion-resistant alloys (e.g., duplex stainless steels) for critical components, along with regular non-destructive testing (NDT) like ultrasonic or dye penetrant inspection for early crack detection.
  • Maintain precise temperature and humidity control in the prilling tower, conduct routine nozzle cleaning and alignment checks, and install inline filters to minimize feed impurities that cause clogging and abrasive wear.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ASME B31.3 - Process piping CE Marking - Machinery Directive 2006/42/EC
Manufacturing Precision
  • Granule size distribution: +/- 2% from target specification
  • Prill sphericity: 0.95 minimum roundness ratio
Quality Inspection
  • Non-destructive testing (NDT) of pressure vessels and piping
  • Moisture content analysis of final product

Factories Producing Modular Urea Granulation and Prilling System

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.

Frequently Asked Questions

What are the main differences between granulation and prilling processes in this system?

Granulation uses a rotary drum to build up urea particles layer by layer, producing dense, spherical granules ideal for bulk handling. Prilling involves spraying urea melt through nozzles in a tower, creating smaller, more uniform prills that dissolve quickly. Our modular system can be configured for either process based on your product requirements.

What maintenance considerations are important for the ceramic-lined components?

Ceramic linings in the granulation drum and distribution system require regular inspection for wear, particularly in high-abrasion areas. We recommend quarterly thickness checks and annual thermal imaging to detect hot spots. Proper pH control of urea melt (maintaining 7.0-7.5) significantly extends ceramic lining lifespan by reducing corrosion.

How does the fluidized bed cooler optimize energy efficiency in urea production?

Our fluidized bed cooler uses counter-current air flow to maximize heat transfer efficiency, reducing cooling energy by 15-20% compared to conventional systems. It maintains precise temperature control (±2°C) to prevent urea caking while minimizing moisture pickup, ensuring product quality below 0.3% moisture content.

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 Fertilizers and Nitrogen Compounds Manufacturing.

Data Basis

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

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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