Structured Manufacturing Data (2026)

Deaeration Section / Scrubbing Section

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Deaeration Section / Scrubbing Section used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Deaeration Section / Scrubbing Section is characterized by the integration of Spray Nozzles and Packing Media. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A functional section within a deaerator that removes dissolved gases (primarily oxygen and carbon dioxide) from water or process fluids through physical and/or chemical scrubbing methods.

Product Specifications

Technical details and manufacturing context for Deaeration Section / Scrubbing Section

Definition
The deaeration/scrubbing section is a critical component of a deaerator system where dissolved gases are eliminated from water or industrial fluids. This section typically employs a combination of heating, pressure reduction, and contact with scrubbing media (such as steam or chemical solutions) to strip oxygen, carbon dioxide, and other non-condensable gases. It functions to prevent corrosion, improve thermal efficiency, and maintain product quality in various industrial processes.
Working Principle
The section operates by exposing the fluid to conditions that reduce gas solubility—typically through heating to raise temperature and/or reducing pressure. In scrubbing configurations, the fluid comes into direct contact with a scrubbing medium (like steam or chemical solutions) that absorbs or reacts with the dissolved gases. The gases are then vented from the system, leaving deaerated fluid to proceed to subsequent stages.
Common Materials
Stainless Steel, Carbon Steel, Alloy Materials
Technical Parameters
  • Diameter or cross-sectional dimensions of the deaeration/scrubbing chamber (mm) Standard Spec
Components / BOM
  • Spray Nozzles
    Distribute incoming fluid as fine droplets to maximize surface area for gas removal
    Material: Stainless Steel
  • Packing Media Part
    Provide extended surface area for gas-liquid contact in packed bed scrubbers
    Material: Polypropylene/Stainless Steel
  • Steam Distribution Header
    Evenly distribute scrubbing steam throughout the section
    Material: Carbon Steel/Stainless Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Deaeration Section / Scrubbing Section.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0-10 bar (standard), up to 20 bar for high-pressure designs
flow rate: 5-500 m³/h (standard range), custom designs available
temperature: 50-150°C (typical), up to 200°C with special materials
slurry concentration: Up to 30% solids by weight (for slurry applications)
Media Compatibility
✓ Deionized water ✓ Boiler feedwater ✓ Chemical process fluids
Unsuitable: Highly viscous fluids (>1000 cP) or fluids with large particulate matter (>500 microns)
Sizing Data Required
  • Required flow rate (m³/h)
  • Inlet dissolved oxygen concentration (ppb or ppm)
  • Required outlet oxygen specification (ppb or ppm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced wall thinning
Cause: Exposure to acidic compounds (e.g., H2S, CO2) in the scrubbing process, combined with moisture and oxygen, leading to pitting and uniform corrosion in carbon steel components.
Fouling and scaling
Cause: Accumulation of mineral deposits (e.g., calcium carbonate, silica) or process contaminants on internal surfaces, reducing heat transfer efficiency in deaerators and flow capacity in scrubbers.
Maintenance Indicators
  • Unusual pressure drop increase across the scrubbing section, indicating flow restriction from fouling or internal damage.
  • Visible external corrosion, weeping, or blistering on vessel walls or piping, especially at welds and supports.
Engineering Tips
  • Implement a routine chemical treatment program to control scaling and corrosion, including pH monitoring and inhibitor dosing tailored to water chemistry.
  • Conduct regular non-destructive testing (e.g., ultrasonic thickness gauging) on critical components to detect wall thinning early and schedule proactive repairs.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ASME B31.3 - Process piping EN 13445 - Unfired pressure vessels
Manufacturing Precision
  • Flatness: 0.1mm per meter
  • Bore diameter: +/-0.05mm
Quality Inspection
  • Leak test (hydrostatic/pneumatic)
  • Dimensional verification with CMM

Factories Producing Deaeration Section / Scrubbing Section

Manufacturer profiles with relevant production capability in China

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 gases does a deaeration/scrubbing section remove from process fluids?

Primarily removes dissolved oxygen and carbon dioxide from water or industrial process fluids through physical scrubbing (steam stripping) and/or chemical scrubbing methods.

What materials are used in manufacturing deaeration sections?

Typically constructed from corrosion-resistant materials including stainless steel (304/316), carbon steel with protective coatings, or specialized alloy materials depending on fluid chemistry and operating conditions.

What are the key components in a deaeration/scrubbing section BOM?

Essential components include spray nozzles for fluid distribution, packing media (structured or random) for gas-liquid contact surface area, and steam distribution headers for thermal scrubbing and oxygen removal.

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.

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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