Industry-Verified Manufacturing Data (2026)

Fluidized Bed Cooler

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Fluidized Bed Cooler 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 Fluidized Bed Cooler is characterized by the integration of Fluidization Chamber and Air Distribution Plate. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel 304/316 construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A cooling unit that uses fluidization technology to rapidly cool urea granules in a granulation system.

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Product Specifications

Technical details and manufacturing context for Fluidized Bed Cooler

Definition
A specialized cooling component within the Modular Urea Granulation and Prilling System that employs fluidized bed technology to efficiently reduce the temperature of freshly formed urea granules. It ensures product quality by preventing agglomeration and maintaining uniform particle size distribution through controlled air flow and heat exchange.
Working Principle
Urea granules enter the fluidized bed where upward-flowing cooling air suspends them in a fluid-like state, maximizing surface area exposure for rapid heat transfer. The air absorbs heat from the granules and is exhausted, while the cooled granules are discharged for further processing or packaging.
Common Materials
Stainless Steel 304/316, Carbon Steel, Heat-resistant Gaskets
Technical Parameters
  • Bed dimensions (length × width × height) (mm) Customizable
Components / BOM
  • Fluidization Chamber
    Holds urea granules and facilitates fluidization with cooling air
    Material: Stainless Steel
  • Air Distribution Plate
    Evenly distributes cooling air across the bed for uniform fluidization
    Material: Perforated Stainless Steel
  • Cooling Air Inlet
    Entry point for ambient or chilled air into the fluidization chamber
    Material: Carbon Steel with Insulation
  • Exhaust Vent
    Removes heated air from the cooling process
    Material: Stainless Steel
  • Discharge Mechanism
    Controls the flow of cooled urea granules out of the chamber
    Material: Stainless Steel with Wear-resistant Liners
Engineering Reasoning
0.5-2.0 bar fluidization pressure, 20-80°C inlet gas temperature, 40-120 t/h urea granule throughput
Fluidization pressure below 0.3 bar causes bed collapse; gas velocity exceeding 3.5 m/s initiates particle entrainment; bed temperature exceeding 150°C initiates urea decomposition
Design Rationale: Minimum fluidization velocity (Umf) violation at 0.3 bar pressure causes particle settling and heat transfer coefficient reduction from 200 W/m²·K to below 50 W/m²·K; gas velocity exceeding terminal velocity (Ut) of 3.5 m/s initiates particle elutriation; Arrhenius kinetics at 150°C initiate urea hydrolysis with activation energy of 85 kJ/mol
Risk Mitigation (FMEA)
Trigger Fluidization gas moisture content exceeding 0.5% by volume
Mode: Urea granule surface dissolution and agglomeration forming 5-20 mm clusters
Strategy: Desiccant dryer with silica gel adsorption maintaining dew point below -40°C
Trigger Distributor plate differential pressure exceeding 1.5 bar
Mode: Plate deformation exceeding 3 mm causing maldistribution with 40% flow variation across bed
Strategy: 316L stainless steel plate with 8 mm thickness and 15% open area perforation pattern

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Fluidized Bed Cooler.

fluidized bed cooler urea granulation stainless steel fluidized bed cooler chemical manufacturing cooling unit rapid urea granule cooling system fluidization technology cooler BOM

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Operating: 0.1-0.5 bar(g), Max: 1.0 bar(g)
flow rate: Granule throughput: 10-100 t/h
temperature: Inlet: 90-110°C, Outlet: 40-60°C
slurry concentration: Not applicable (handles solid granules)
fluidization velocity: 0.5-2.0 m/s
Media Compatibility
✓ Urea granules ✓ Ammonium nitrate prills ✓ Compound fertilizer granules
Unsuitable: Sticky/hygroscopic materials (e.g., wet phosphates, organic sludge)
Sizing Data Required
  • Required cooling capacity (kW)
  • Inlet granule temperature (°C)
  • Desired outlet temperature (°C)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bed material agglomeration
Cause: Inadequate temperature control leading to localized overheating, causing bed particles to fuse together and disrupt fluidization.
Distributor plate fouling/erosion
Cause: Accumulation of fine particles or chemical deposits blocking airflow holes, combined with abrasive wear from high-velocity particle impingement.
Maintenance Indicators
  • Abnormal pressure drop across the bed (indicating poor fluidization or blockages)
  • Uneven temperature distribution or hot spots detected by thermal imaging
Engineering Tips
  • Implement real-time monitoring of bed pressure differentials and temperature gradients to detect early fluidization issues
  • Establish regular distributor plate inspection and cleaning protocols, using appropriate materials resistant to erosion/corrosion

Compliance & Manufacturing Standards

Reference Standards
ISO 14698-1:2003 (Cleanrooms and associated controlled environments) ASME B31.3 (Process Piping) DIN EN 13445 (Unfired pressure vessels)
Manufacturing Precision
  • Bed plate flatness: ≤ 0.1mm/m
  • Nozzle alignment: ±1.5mm from centerline
Quality Inspection
  • Pressure test (hydrostatic/pneumatic) per design specification
  • Material verification (PMI - Positive Material Identification)

Factories Producing Fluidized Bed Cooler

Verified manufacturers with capability to produce this product in China

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✓ 94% Supplier Capability Match Found

S Sourcing Manager from United Arab Emirates Feb 05, 2026
★★★★★
"The Fluidized Bed Cooler we sourced perfectly fits our Chemical Manufacturing production line requirements."
Technical Specifications Verified
P Procurement Specialist from Australia Feb 02, 2026
★★★★☆
"Found 54+ suppliers for Fluidized Bed Cooler on CNFX, but this spec remains the most cost-effective. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Singapore Jan 30, 2026
★★★★★
"The technical documentation for this Fluidized Bed Cooler is very thorough, especially regarding technical reliability."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

18 sourcing managers are analyzing this specification now. Last inquiry for Fluidized Bed Cooler from India (51m ago).

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Frequently Asked Questions

What materials are used in the construction of this fluidized bed cooler?

The fluidized bed cooler is constructed with high-quality materials including Stainless Steel 304/316, Carbon Steel, and Heat-resistant Gaskets to ensure durability and resistance to chemical corrosion in demanding chemical manufacturing environments.

How does the fluidized bed cooler work to cool urea granules?

The cooler uses fluidization technology where cooling air is introduced through an air distribution plate, creating a fluidized bed of urea granules. This maximizes surface contact with cooling air for rapid, uniform cooling before discharge through the discharge mechanism.

What are the key components in the fluidized bed cooler's bill of materials (BOM)?

The main BOM components include: Air Distribution Plate for even air flow, Cooling Air Inlet for temperature control, Discharge Mechanism for processed granules, Exhaust Vent for air removal, and the Fluidization Chamber where the cooling process occurs.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Chemical Manufacturing sector.

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