Industry-Verified Manufacturing Data (2026)

Deaeration Section / Scrubbing Section

Based on aggregated insights from multiple verified 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
    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
Engineering Reasoning
0.1-1.2 MPa (1-12 bar) at 105-130°C
0.08 MPa (0.8 bar) absolute pressure at 105°C, corresponding to oxygen saturation concentration exceeding 15 ppb
Design Rationale: Henry's Law violation: Below 0.08 MPa at 105°C, dissolved oxygen concentration exceeds thermodynamic equilibrium limit, causing accelerated corrosion rates exceeding 0.5 mm/year in carbon steel
Risk Mitigation (FMEA)
Trigger Steam flow reduction below 30% of design capacity (e.g., from 10,000 kg/h to 3,000 kg/h)
Mode: Insufficient steam stripping action, causing dissolved oxygen concentration to exceed 7 ppb within 15 minutes
Strategy: Dual-pressure control system with redundant steam supply valves and minimum flow bypass maintaining at least 40% design steam flow
Trigger Chemical injection pump failure (e.g., hydrazine or carbohydrazide dosing interruption)
Mode: Oxygen scavenging reaction ceases, allowing dissolved oxygen concentration to reach 20 ppb within 30 minutes
Strategy: Redundant chemical injection system with automatic switchover upon flow deviation exceeding ±10% of setpoint

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 DNA

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

Verified manufacturers with capability to produce this product in China

✓ 94% Supplier Capability Match Found

P Project Engineer from United Arab Emirates Jan 05, 2026
★★★★★
"Great transparency on the Deaeration Section / Scrubbing Section components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
S Sourcing Manager from Australia Jan 02, 2026
★★★★★
"The Deaeration Section / Scrubbing Section we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."
Technical Specifications Verified
P Procurement Specialist from Singapore Dec 30, 2025
★★★★★
"Found 35+ suppliers for Deaeration Section / Scrubbing Section on CNFX, but this spec remains the most cost-effective."
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.”

19 sourcing managers are analyzing this specification now. Last inquiry for Deaeration Section / Scrubbing Section from Brazil (1h ago).

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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.

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