ESP Collecting Electrodes & Collecting Plates | Roll Formed | Aeon Tech Solutions
Roll formed ESP collecting electrodes stacked in the fabrication shop, profile geometry visible along the full plate length
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ESP Collecting Electrodes

Precision-Engineered Collecting Electrodes for Electrostatic Precipitators

Collecting electrodes are the primary collecting surfaces inside a precipitator. Electrically charged particulate matter migrates towards the collecting electrodes under the influence of the electric field, and the accumulated dust is periodically removed through the rapping system.

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01Profiles 02Specifications 03Profile Geometry 04How It Works 05Manufacturing 06Replacement
The Product

Consistent collecting surfaces, held to dimension.

Aeon Tech Solutions supplies precision-engineered collecting electrodes for Electrostatic Precipitators (ESPs). Our collecting electrodes are designed to provide consistent collecting surfaces, dimensional accuracy, mechanical rigidity and reliable performance under demanding operating conditions.

Collecting electrodes can be manufactured in different profiles, materials, thicknesses and lengths according to ESP design requirements, customer drawings and replacement requirements.

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End view of assembled ESP collecting electrodes showing the roll formed profile cross-section repeated across the stack
Formed profile, seen end-on across an assembled stack
Function

What the collecting electrode does.

The collecting electrode is the earthed surface the dust ends up on. Its profile, flatness and spacing decide how much of the charged particulate is captured, and how cleanly the dust layer releases when the plate is rapped.

1 GAS FLOW 2 DUST PARTICLES 3 DISCHARGE ELECTRODES 4 ELECTRICAL FIELD 5 COLLECTING ELECTRODES 6 DUST LAYER 7 RAPPING SYSTEM 8 DUST HOPPER CLEAN GAS

Charging. Discharge electrodes energised from the transformer rectifier set ionise the gas around them. Ions attach to passing dust particles.

Migration. The field between the discharge electrodes and the earthed collecting electrodes drives the charged particles sideways, out of the gas stream.

Collection. Particles deposit on the collecting electrode as a dust layer. Profile geometry shields the deposited dust from the gas stream and resists re-entrainment.

Release. Rapping transmits shock through the plate so the dust layer sheds into the hopper. Plate rigidity and straightness govern how evenly that shock travels.

Reference Profile Types

Collecting Electrode Profiles

Collecting electrodes are manufactured in different roll-formed profiles depending on the precipitator design, electrode spacing, mechanical requirements and OEM specifications. The profile determines the collecting area presented to the gas stream, the stiffness of the plate over its free length, and how the dust layer behaves when the plate is rapped.

The profile types below are commonly referenced in the industry and are shown as available reference types for discussion.

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Profiles, dimensions and configurations can be manufactured as per customer drawings, OEM specifications and project requirements.

The cross-sections shown are indicative representations of profile families for identification and discussion. Manufactured geometry follows the approved drawing or the sample supplied for a given order.

Technical Specifications

Specified against your drawing, not a stock list.

Collecting plates are not an off-the-shelf item. Profile, material, thickness and length are set by the precipitator they go into — which is why we work from the drawing, the existing plate, or a photograph and a set of measurements.

Where a specification has been lost, we can work back from a sample or from the field arrangement on site.

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Collecting Electrode — Specification Sheet
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Customization Profile, material, thickness and dimensions can be developed according to requirement.
Profile Geometry

The dimensions we need from you.

Six measurements define a collecting plate closely enough to quote it. If you can give us these — or a plate we can measure — we can proceed without the original drawing.

View A — Profile Cross-Section Section through plate · rib depth enlarged for clarity · NTS
OVERALL PROFILE WIDTH PROFILE DEPTH COLLECTING SURFACE STIFFENING / FOLDED EDGE SECTION STIFFENING RIBS SHEET THK
View B — Top End & Suspension Detail Elevation on the collecting face · NTS
CONNECTION HEIGHT PLATE LENGTH SUSPENSION / CONNECTION AREA FORMED PROFILE
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Manufacturing

Coil to formed plate, in one line.

Roll forming produces the same section repeatedly along the full plate length. Consistency along the run matters as much as the section itself — a plate that twists or bows will not sit at the designed spacing.

Steel coil stock held at the works before roll forming of collecting electrodes
01 — Coil stock, grade to application
Roll forming tooling closing the profile onto the strip on the collecting electrode line
02 — Profile formed through the roll set
Formed collecting electrodes stacked alongside the roll forming line on the shop floor
03 — Cut to length, checked and stacked
Assembled collecting electrode bundle lifted on a spreader beam prior to packing and despatch
04 — Assembled, handled on a spreader beam
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Strip entering the roll forming line at the collecting electrode plant
Replacement & Retrofit

Looking for Replacement Collecting Electrodes?

Whether you require replacement electrodes for an existing ESP or collecting electrodes for a new project, Aeon Tech Solutions can evaluate your requirement based on drawings, existing electrode dimensions, profile samples or photographs.

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AA drawing or specification, if you still hold one BDimensions taken off an existing plate CA profile sample, or a short offcut we can measure DPhotographs of the plate, the field and the suspension
Enquiry

Request a Collecting Electrode Quote

Fill in what you know. Blank fields are fine — a drawing or a photograph often tells us more than a form does.

Prefer to send it directly? Email salesats@aeontechsolutions.com or message us on WhatsApp.

Collecting Electrode Enquiry Form
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Usually quoted alongside

Full Catalogue →
Mechanical Discharge Electrodes Mechanical ESP Internals Electrical Rapping System Components Services Inspection & Optimisation