Editorial Technical Reference

Cooling Nozzle Array

This page explains how Cooling Nozzle Array is classified within Chemical Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A precisely arranged set of nozzles designed to spray cooling media onto hot granules during the granulation process.

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Cooling Nozzle Array in a manufacturing environment
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Product Specifications

Technical details and manufacturing context for Cooling Nozzle Array

Definition
The Cooling Nozzle Array is a critical component within the Granulation Chamber that facilitates controlled cooling of freshly formed granules. It consists of multiple nozzles arranged in specific patterns to ensure uniform cooling across the entire granule bed, preventing agglomeration and maintaining product quality by rapidly reducing temperature after the granulation phase. The array receives cooling fluid (typically water or air) under pressure from the chamber's cooling system. The nozzles atomize the fluid into fine droplets or streams that are directed onto the hot granules. The arrangement ensures complete coverage and efficient heat transfer through evaporation and conduction, with flow rates and patterns controlled to match the granulation process requirements. This component is typically fabricated from corrosion-resistant materials such as Stainless Steel 316L, PTFE, or ceramic, depending on the chemical environment and thermal demands. Key parameters include the number of nozzles (12–48), nozzle spacing (50–150 mm), operating pressure (1.0–1.6 MPa), flow rate per nozzle (0.5–2.0 L/min), spray angle (60–120°), spray uniformity (±5%), operating temperature (-40–85°C), connection size (1/2–1 inch per ISO 7-1), weight (5–20 kg), and IP rating (IP65 per IEC 60529). These values are reference ranges that must be verified for the specific model and application. The array is designed to integrate with existing piping and mounting structures, and its performance directly impacts cooling efficiency and product quality. For procurement, verify that the selected model meets the required process conditions and that all standards are confirmed with the legal manufacturer or supplier.
Working Principle
The Cooling Nozzle Array operates by receiving cooling fluid, typically water or air, under pressure from the chamber's cooling system. The nozzles atomize the fluid into fine droplets or streams directed onto the hot granules. The arrangement ensures complete coverage and efficient heat transfer through evaporation and conduction. Flow rates and spray patterns are controlled to match the granulation process requirements, ensuring uniform cooling and preventing agglomeration.
Common Materials
Stainless Steel 316L, PTFE (Polytetrafluoroethylene), Ceramic
Technical Parameters
ParameterTypical rangeNotes & selection driver
Number of Nozzles12–48 pcsDetermines coverage area and cooling uniformity.
Nozzle Spacing50–150 mmAffects spray overlap and cooling uniformity.
Flow Rate per Nozzle0.5–2.0 L/minDetermines cooling capacity.
Spray Angle60–120 °Wider angle for larger coverage, narrower for precision.
Spray Uniformity±5 %Ensures even cooling across the granule bed.
Operating Temperature-40–85 °COutside this range, seals may fail.
MaterialSS316LCorrosion-resistant for chemical environments.ASTM A240
Connection Size1/2–1 inchMust match existing piping.ISO 7-1
Weight5–20 kgAffects mounting structure requirements.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Nozzle Body
    Main structural component housing the internal fluid channels
    Material: Stainless Steel 316L
  • Orifice Plate
    Creates the spray pattern and controls droplet size
    Material: Ceramic or Hardened Steel
  • Sealing Gasket Part
    Prevents leakage between nozzle and mounting surface
    Material: PTFE or Viton
  • Mounting Bracket Part
    Secures the nozzle array to the granulation chamber structure
    Material: Stainless Steel 304

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 2-10 bar operating range, 15 bar maximum
flow rate: 0.5-20 L/min per nozzle, adjustable via orifice sizing
temperature: Ambient to 150°C (nozzle body), up to 300°C (process environment)
slurry concentration: Up to 40% solids by weight, particle size <500 μm
Media Compatibility
✓ Water-based cooling media ✓ Food-grade glycol solutions ✓ Mineral oil-based coolants
Unsuitable: Highly abrasive slurries with >40% solids or corrosive acidic/alkaline media (pH <4 or >10)
Sizing Data Required
  • Required cooling capacity (kW)
  • Granule temperature reduction target (°C)
  • Available nozzle mounting pattern and spacing constraints

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Clogging
Cause: Accumulation of mineral deposits, debris, or biological growth from untreated water, restricting flow and causing uneven cooling.
Corrosion
Cause: Chemical attack from aggressive water chemistry (e.g., high chloride content, low pH) or galvanic corrosion due to dissimilar materials in the system.
Maintenance Indicators
  • Visible uneven spray pattern or reduced flow from individual nozzles
  • Audible hissing or whistling indicating partial blockage or pressure imbalance
Engineering Tips
  • Implement water treatment (filtration, softening, chemical dosing) to prevent scale and corrosion
  • Establish regular inspection and cleaning schedule using appropriate methods (e.g., reverse flushing, ultrasonic cleaning) without damaging nozzle orifices

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI B40.1 - Pressure gauges and gauge attachments DIN EN 10204 - Metallic products - Types of inspection documents

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Nozzle alignment: +/-0.05mm
Quality Inspection
  • Pressure testing for leaks and flow uniformity
  • Dimensional verification with coordinate measuring machine (CMM)
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Manufacturers of Cooling Nozzle Array

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Frequently Asked Questions

What materials are available for the Cooling Nozzle Array?

According to the directory, the array can be made of Stainless Steel 316L, PTFE, or ceramic. The choice depends on the chemical environment and temperature requirements. Always confirm the material grade with the supplier for your specific application.

What is the operating pressure range?

The reference operating pressure is 1.0–1.6 MPa. Verify the exact pressure rating for your model with the manufacturer.

How does the spray angle affect cooling?

The spray angle ranges from 60° to 120°. A wider angle provides larger coverage, while a narrower angle offers more precision. The appropriate angle depends on the granule bed size and desired cooling uniformity.

What is the IP rating and why is it important?

The IP rating is IP65 per IEC 60529, meaning the array is dust-tight and protected against water jets. This is important for reliable operation in dusty and wet industrial environments. Confirm the rating for your specific model.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Granulation Chamber
View system integration details

Industrial Ecosystem & Supply Chain Structure

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

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.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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