Venturi Scrubber for Gas Cleaning | Industrial Component

Product Specifications

Technical details and manufacturing context for Venturi Scrubber

Definition

A Venturi scrubber is a component used in gas cleaning systems within chemical manufacturing and other industrial processes. It operates on the Venturi principle, where the exhaust gas stream is accelerated through a converging throat section. At or just before this constriction, a scrubbing liquid—typically water or a chemical solution—is injected. The high relative velocity between the gas and the injected liquid causes the liquid to atomize into fine droplets, creating a large surface area for contact. Pollutants, including fine particulates and soluble gases, are captured through mechanisms such as inertial impaction, interception, and diffusion onto the droplet surfaces. The gas-liquid mixture then passes to an entrainment separator, such as a cyclonic separator or mist eliminator, where the cleaned gas is separated from the pollutant-laden liquid. This design makes the Venturi scrubber particularly effective for removing sub-micron particles and soluble gases from industrial emissions. The unit is available in various materials of construction, including stainless steel (e.g., 316L), fiber-reinforced plastic (FRP), polypropylene (PP), and rubber-lined carbon steel, selected based on the corrosiveness and temperature of the process stream. Typical operating parameters include gas flow rates from 500 to 50,000 m³/h, pressure drops from 1 to 10 kPa, liquid-to-gas ratios from 0.3 to 1.5 L/m³, and particulate removal efficiencies of 95–99% for particles larger than 1 µm. Operating temperatures can range from 0 to 400 °C, and pressures from 0.1 to 0.5 MPa. The pH range of the scrubbing liquid can vary from 1 to 14, requiring appropriate corrosion-resistant materials. The unit's weight and dimensions are customizable, with typical ranges of 500–20,000 kg and 1000×800×2000 to 5000×3000×8000 mm (L×W×H). These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier.

Working Principle

Polluted gas is accelerated through a converging section (Venturi throat), creating a high-velocity stream. Scrubbing liquid (typically water or chemical solution) is injected at or just before the throat. The high differential velocity between the gas and liquid droplets shatters the liquid into fine droplets, maximizing surface area for contact. Pollutants (particulates and gases) are captured through inertial impaction, interception, and diffusion onto the droplets. The gas-liquid mixture then enters an entrainment separator (like a cyclonic separator or mist eliminator) where cleaned gas is separated from the pollutant-laden liquid.

Common Materials

Stainless Steel (e.g., 316L), Fiber-Reinforced Plastic (FRP), Polypropylene (PP), Rubber-Lined Carbon Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Gas Flow Rate	500–50000 m³/h	Typical range for industrial applications
Pressure Drop	1–10 kPa	Higher pressure drop improves collection efficiency
Liquid-to-Gas Ratio	0.3–1.5 L/m³	Typical for particulate removal
Particulate Removal Efficiency	95–99 %	For particles >1 µm
Operating Temperature	0–400 °C	Higher temperatures may require special materials
Operating Pressure	0.1–0.5 MPa	Typical for scrubber inlet
pH Range of Scrubbing Liquid	1–14 pH	Depends on application; corrosion-resistant materials required
Material of Construction	SS304/316, PP, FRP	Selection based on corrosiveness and temperatureASTM A240
Weight	500–20000 kg	Depends on size and material
Dimensions (L×W×H)	1000×800×2000 – 5000×3000×8000 mm	Customizable per installation

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

Converging Section (Inlet) Part
Accelerates the incoming gas stream to a high velocity before entering the throat.

Material: Stainless Steel or FRP
Venturi Throat Part
The narrowest constriction where gas velocity is highest and liquid is injected, creating intense turbulence for pollutant capture.

Material: Abrasion-resistant material (e.g., ceramic-lined steel, hardened alloy)
Diverging Section (Outlet)
Decelerates the gas-liquid mixture, allowing for pressure recovery and flow into the separator.

Material: Stainless Steel or FRP
Liquid Injection Nozzles
Inject scrubbing liquid into the high-velocity gas stream at the throat for atomization.

Material: Stainless Steel or Silicon Carbide

Applied To / Applications

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

Gas Cleaning Plant

View system integration details

Manufacturers of Venturi Scrubber

Manufacturer profiles associated with Venturi Scrubber.

Sourcing Venturi Scrubber from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the typical pressure drop range for a Venturi scrubber?

The typical pressure drop range for industrial applications is 1 to 10 kPa. Higher pressure drops generally improve collection efficiency but increase energy consumption. The exact value depends on the specific design and operating conditions, so it must be confirmed with the manufacturer.

Which materials are commonly used for Venturi scrubbers?

Common materials include stainless steel (e.g., 316L), fiber-reinforced plastic (FRP), polypropylene (PP), and rubber-lined carbon steel. The selection depends on the corrosiveness and temperature of the gas stream and scrubbing liquid. Always verify material suitability with the supplier.

What is the typical particulate removal efficiency?

For particles larger than 1 µm, the typical removal efficiency is 95–99%. Efficiency can vary based on particle size distribution, gas velocity, liquid-to-gas ratio, and other factors. Confirm the expected efficiency for your specific application with the manufacturer.

What are the typical operating temperature and pressure limits?

The operating temperature range is typically 0–400 °C, and the operating pressure range is 0.1–0.5 MPa. Higher temperatures may require special materials. These are reference ranges; the actual limits depend on the construction materials and design, so verify with the supplier.

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.

Buyer enquiry

Request manufacturing insight for Venturi Scrubber

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Up to 1.5 bar (22 psi) differential pressure
flow rate:	500 - 50,000 m³/h (295 - 29,500 CFM)
temperature:	Up to 200°C (392°F) with appropriate materials
slurry concentration:	Up to 15% solids by weight

Venturi Scrubber

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards