Structured Manufacturing Data (2026)

Cryogenic Spray System

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

Technical Definition & Core Assembly

A canonical Cryogenic Spray System is characterized by the integration of Spray Nozzle Array and Manifold Distribution Block. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (AISI 316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A subsystem that directly applies cryogenic fluid to fish products for rapid freezing within an automated tunnel.

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Product Specifications

Technical details and manufacturing context for Cryogenic Spray System

Definition
The Cryogenic Spray System is a critical component of the Automated Cryogenic Fish Freezing Tunnel System, responsible for the precise and uniform application of liquid nitrogen or other cryogenic fluids onto fish products as they pass through the freezing chamber. This system ensures rapid heat extraction, minimizing ice crystal formation and preserving product quality, texture, and nutritional value during the freezing process.
Working Principle
The system uses pressurized nozzles to atomize liquid cryogen (typically liquid nitrogen at -196°C) into a fine mist or spray. This spray is directed onto fish products moving on a conveyor. Upon contact, the cryogen rapidly evaporates, absorbing latent heat from the fish and causing immediate surface freezing. The system is controlled to regulate spray pressure, flow rate, and nozzle patterns to achieve consistent freezing across different product types and throughputs.
Common Materials
Stainless Steel (AISI 316L), Cryogenic-resistant polymers (PTFE, PEEK), Copper alloys (for heat exchangers/nozzle internals)
Technical Parameters
  • Maximum cryogenic fluid flow rate capacity (L/min) Customizable
Components / BOM
  • Spray Nozzle Array
    Atomizes and directs the cryogenic fluid onto the product surface
    Material: Stainless Steel 316L with PTFE seals
  • Manifold Distribution Block
    Evenly distributes cryogenic fluid from the main supply line to individual nozzles
    Material: Stainless Steel 316L
  • Solenoid Control Valves
    Precise on/off control of fluid flow to each nozzle or nozzle group
    Material: Brass body with cryogenic-rated seals
  • Pressure Regulator
    Maintains consistent fluid pressure at the nozzle inlet for uniform spray characteristics
    Material: Stainless Steel 316L

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cryogenic Spray System.

cryogenic spray system for fish freezing automated cryogenic tunnel freezing system stainless steel cryogenic spray nozzles PTFE PEEK cryogenic food manufacturing equipment rapid freezing system for seafood processing

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (145 psi) maximum operating pressure
flow rate: 5-50 L/min per nozzle (adjustable)
temperature: -196°C to -40°C (liquid nitrogen range)
slurry concentration: Up to 30% solids in cryogenic fluid mixture
Media Compatibility
✓ Food-grade stainless steel (316L) ✓ High-density polyethylene (HDPE) components ✓ PTFE seals and gaskets
Unsuitable: High-moisture environments without proper insulation (risk of ice buildup and system failure)
Sizing Data Required
  • Production throughput (kg/hour of fish)
  • Tunnel dimensions and freezing time requirements
  • Available cryogenic fluid supply pressure and temperature

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal fatigue cracking
Cause: Repeated thermal cycling from cryogenic fluid exposure and ambient temperature fluctuations, leading to stress concentration and microcrack propagation in nozzle materials.
Ice formation and blockage
Cause: Moisture ingress from ambient air condensing and freezing within the spray system, exacerbated by inadequate insulation or seal degradation, obstructing flow paths.
Maintenance Indicators
  • Irregular spray pattern or reduced flow rate, indicating partial blockage or nozzle wear
  • Audible hissing or increased vibration, suggesting leaks, cavitation, or internal component failure
Engineering Tips
  • Implement a preventive maintenance schedule for nozzle inspection and cleaning using dry, inert gas purges to prevent moisture accumulation and ice formation
  • Use materials with high thermal shock resistance (e.g., specialized alloys or ceramics) for critical components and ensure proper insulation to minimize thermal cycling stress

Compliance & Manufacturing Standards

Reference Standards
ISO 21029-1:2018 Cryogenic vessels - Transportable vacuum insulated vessels of not more than 1000 litres volume ASME B31.3 Process Piping for cryogenic fluid handling EN 13458-2:2002 Cryogenic vessels - Static vacuum insulated vessels
Manufacturing Precision
  • Nozzle orifice diameter: +/-0.01mm
  • Spray pattern uniformity: +/-5% deviation from specified coverage
Quality Inspection
  • Helium leak test for vacuum integrity
  • Cryogenic cycling test for thermal shock resistance

Factories Producing Cryogenic Spray 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.

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Frequently Asked Questions

What materials are used in this cryogenic spray system for food safety?

The system uses food-grade AISI 316L stainless steel for structural components, cryogenic-resistant polymers like PTFE and PEEK for seals and insulation, and copper alloys in heat exchangers and nozzle internals for optimal thermal conductivity and corrosion resistance.

How does the cryogenic spray system improve fish freezing efficiency?

The system rapidly freezes fish products by directly applying cryogenic fluid through a precisely controlled spray nozzle array, minimizing ice crystal formation to preserve texture and quality while reducing freezing time compared to conventional methods.

What components are included in the system's BOM for maintenance?

Key components include a manifold distribution block for fluid control, pressure regulator for consistent spray performance, solenoid control valves for automated operation, and a customizable spray nozzle array designed for even cryogenic application across products.

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 Food 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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