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1, 2 or 3 contact stages, selected for the process duty.

Reference configurations: 500–10,000 CFM (approx. 850–16,990 m³/h). All characteristics

Price and lead time: on request, based on the selected configuration.

5-Year guarantee

Easy installation and operation

Over 10 years of service life

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VORTEX Centrifugal Wet Scrubber

Wet Dust Collection With Intensive Gas–Liquid Contact

Intensive gas–liquid contact for wet particulate collection and selected gas absorption duties.

Wet Scrubber Description

REQUEST PDF CATALOG WET SCRUBBERS

The Torch-Air VORTEX is a centrifugal wet scrubber for transferring industrial dust from a gas stream into a scrubbing liquid. Gas passes through a stationary swirler and drives the liquid into a rotating contact layer. The resulting mixing creates a large, continuously renewed interface between the gas and liquid.

VORTEX is primarily a wet particulate collector. It can also be engineered for absorption of selected soluble or reactive gaseous contaminants when the scrubbing liquid, chemistry and contact stages are matched to the duty. Dust capture and gas absorption are assessed separately.

The unit combines one or more contact stages with a liquid separation zone. Torch-Air can supply the scrubber vessel or develop a complete system with a recirculation tank, pumps, fan, piping and controls. Materials and access arrangements are selected for the gas composition, temperature, abrasion and maintenance requirements.

Stationary contact elements

The swirler remains fixed. Gas energy drives the rotating gas–liquid layer, so the contact zone does not require a rotating shaft or drive.

Staged treatment

One, two or three contact stages can be specified to provide the contact required for the selected dust and absorption duty.

Integrated liquid separation

A downstream separation zone collects scrubbing liquid. Additional mist polishing can be included when the outlet specification requires it.

Improved Design for Customized Tasks From the Client

Process Integration and Materials

Vessel geometry, gas inlet arrangement and the surrounding equipment can be adapted to the available installation space.

Carbon steel, stainless steel, suitable polymers and specialist materials can be evaluated for chemical compatibility and abrasion resistance.

Fan, liquid circulation, drainage and controls can be coordinated around the operating duty and the plant interface.

Compact process integration

Materials for the process

Complete system scope

Design Features

Coaxial or tangential gas inlet

A top inlet chamber or a scroll-type distributor, according to the vessel configuration.

Positive pressure or vacuum

The unit can operate under both positive pressure and vacuum.

No spray nozzles to clog

Liquid enters the swirler through tangential slots, so liquid quality and inlet pressure are less critical than in nozzle-based systems.

Stable with changing gas flow

As gas flow increases, centrifugal forces grow and stabilize the rotating gas–liquid layer.

Parallel installation

Several units can be installed in parallel for higher flow rates.

VORTEX Configurations

One stage

For duties where one contact stage meets the required treatment target.

Two or three stages

For additional contact; fan selection must account for the higher total resistance.

Complete system

Scrubber with a separately defined liquid circuit, fan and control scope.

Spheres of Use

VORTEX is primarily a wet particulate collector and can be engineered for selected gas absorption duties.

Industrial dust extraction

Wettable process dust from manufacturing and materials handling, subject to particle size, loading and liquid compatibility.
Chemical processing

Combined dust and selected soluble-gas duties using a suitable scrubbing solution and reagent control.
Metallurgical process exhaust

Particulate-bearing exhaust where wet treatment and the resulting wastewater can be accommodated.
Process cooling and absorption

Specially engineered heat and mass transfer duties, including cooling and selected component recovery.

Combustible or water-reactive dust, poorly soluble gases and high-temperature service require a duty-specific design. Wet dust collection does not establish suitability for every gas or dust mixture.

QUICK SELECTION BY SECTOR

The Working Principle of VORTEX Scrubber

1. Gas and liquid enter. The contaminated gas enters the inlet chamber. Scrubbing liquid is supplied to the contact section through a separate liquid connection.

2. The stationary swirler creates rotation. Tangential passages impart rotation to the gas. The gas transfers momentum to the liquid and forms a rotating gas–liquid layer.

3. Contaminants transfer into the liquid. Particulate matter contacts the liquid and is collected. Suitable soluble or reactive gases may also transfer into the selected solution. Further contact stages are included where specified.

4. Liquid and gas separate. The mixture enters the separation zone. Collected liquid drains to the sump or recirculation system.

5. Treated gas leaves. The gas exits through the outlet after liquid separation. An optional final mist stage can be added to meet the selected outlet carryover target.

1 — Gas inlet · 2 — Liquid inlet · 3 — Swirler · 7 — Liquid outlet · 8 — Gas outlet.
Conceptual diagram. One-stage (left) and two-stage (right) arrangement.

Section diagram of one-stage and two-stage VORTEX scrubbers

Inside the swirler

Horizontal cross-section of the stationary swirler: how the rotating gas–liquid layer forms.

Swirler cross-section: gas and liquid enter through tangential slots

1 Gas and liquid enter the swirler through tangential slots evenly spaced around the perimeter.

Swirler cross-section: the gas starts to rotate and drives the liquid

2 The gas starts to rotate and drives the liquid into rotation.

Swirler cross-section: a rotating foam ring forms along the swirler

3 Centrifugal force presses the liquid outward into a rotating foam ring. The swirler itself does not rotate.

Swirler cross-section: gas and liquid move along a spiral path toward the center

4 Gas and liquid move through the rotating layer along a spiral path toward the center, forming fine bubbles.

Specifications

Reference configurations and indicative pressure drops are selection information, not a performance guarantee. Final airflow, dimensions, pressure drop and equipment ratings are stated in the project specification.

Package

Basic package

The basic package is defined by the approved arrangement for the project.

VORTEX vessel with contact stages and swirlers

1

Access provisions and supports

Set

Gas and liquid connections, collection section, drain

Set

Project drawings and operating documentation

Set

Additional package elements

Options are selected with the client according to the gas, the required treatment and the plant interface.

MANAGEMENT AND CONTROL

Reagent dosing and pH control for the selected absorption duty
Liquid level, pressure-drop and flow monitoring
Plant control interface

DESIGN AND FILTER

Recirculation tank, pump and process piping
Duty/standby pumps or fan, where required
Additional mist separation or compatible final polishing
Platforms, access steelwork and duct transitions
Abrasion-resistant internal coating, which also reduces adhesion of sticky dust

Modifications and Sizes

VORTEX is supplied with one, two or three contact stages; additional arrangements are engineered for the project.

Reference configurations cover 500–10,000 CFM (approx. 850–16,990 m³/h). For higher flow rates, several units can be installed in parallel.

Final airflow, dimensions and connection positions are stated in the project drawings. The final supply scope and operating requirements are stated in the project specification.

Scrubber Design

The VORTEX vessel houses the gas inlet chamber, the liquid inlet, one or more stationary swirlers made of inclined vanes arranged around the circumference, a liquid separation zone and a sump with a drain connection. Materials and access arrangements are selected for the gas composition, temperature, abrasion and maintenance requirements.

Operation and Maintenance

Inspect liquid flow, pressure drop, liquid level and drainage during operation. Maintain the liquid quality required by the process, remove accumulated solids and check contact passages for deposits or wear.

Cleaning intervals depend on loading and operating history; they are defined in the project operating instructions.

For process control, the package can include: