HEBEIOUTAI ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.
Wet electrostatic precipitator

Wet electrostatic precipitator

What is Dust Collector: Industrial Air Purification


A dust collector is a large-scale air filtration system designed for industrial and workshop environments. It captures and removes harmful dust, chips, and particulate matter generated during manufacturing processes like woodworking, metalworking, or chemical production. By continuously filtering contaminated air from the workspace, it protects worker health, safeguards machinery, and maintains clean, safe operating conditions in industrial facilities.


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Hebei OuTai Environmental Protection Equipment Co., Ltd. (SENOTAY) proudly presents the WWES Series Wet Electrostatic Precipitator, a testament to precision engineering in tackling the most challenging particulate matter and acid mists. As a leading supplier in China, we have engineered this series using corrosion-resistant alloys and continuous flushing technology. The WWES model is specifically designed for applications with sticky, hygroscopic, or explosive dust, eliminating re-entrainment and achieving ultra-fine particle capture with efficiency exceeding 99%. 


Why Choose SENOTAY Wet Electrostatic Precipitator?

Factory-Direct Pricing. Certified Quality. Dedicated Support.

  • Best Price Guarantee
         We sell factory-direct—no middleman markup. Get industrial-grade      performance at wholesale prices.

  • Certified & Compliant
         ISO 9001 and CE certified. Engineered to meet strict emission standards      for worry-free operation.

  • Fast, Free Shipping
         Most units ship within 48 hours from regional warehouses. Free shipping to      most locations.

  • Comprehensive After-Sales      Support

    • Lifetime technical support

    • Spare parts readily       available

    • Remote troubleshooting       included

Trusted by factories worldwide. Ready for yours.

 

 

What Is a Wet Electrostatic Precipitator dust collector?


A Wet Electrostatic Precipitator (WESP) which is also known as a Wet ESP, Tubular Electrostatic Precipitator, or Wet Scrubber ESP that is an advanced Industrial Air Pollution Control System designed to remove fine particulates, aerosols, fumes, heavy metals, and sticky pollutants from industrial exhaust streams. Senotay who are a leading Wet Electrostatic Precipitator Manufacturer in China and delivers high-performance WESP systems engineered for industries requiring ultra-low emission levels.

It is especially effective for:

  • Submicron      particles (<1 micron)

  • Acid mists      (H₂SO₄, HCl, HNO₃)

  • Tar, oil mist,      resin fumes

  • Sticky,      corrosive, or high-moisture gases

WESP offers 99%+ removal efficiency thats making it ideal for industries with strict environmental requirements.


 

Why Wet Electrostatic Precipitator?


Industries choose WESP systems because they:

  • Capture      extremely fine pollutants that other technologies cannot.

  • Remove      hazardous and corrosive aerosols.

  • Prevent      re-entrainment of dust due to wet cleaning.

  • Provide stable      operation even with high moisture content.

  • Support global      emission compliance standards.

A Wet ESP is the most reliable and energy-efficient solution for achieving ultra-low particulate emissions.

 


Table: Types of Wet Electrostatic Precipitators (10 Types)


Type No.

Gas Flow Capacity (m³/h)

Collection Efficiency

Material

Structure Type

Voltage (kV)

Typical Application

WESP-01

10,000

98–99%

SS304

Tubular

40–60

Small chemical exhaust

WESP-02

20,000

99%

FRP

Tubular

50–70

Food & tobacco

WESP-03

30,000

99%

SS316L

Plate-Type

60–80

Acid mist removal

WESP-04

40,000

99.2%

FRP+SS

Tubular

70–90

Petrochemical

WESP-05

50,000

99.5%

Titanium

Plate-Type

80–100

Heavy corrosion industries

WESP-06

70,000

99%

SS316L

Tubular

70–90

Metal smelting

WESP-07

90,000

99.3%

FRP

Plate

40–70

Waste incineration

WESP-08

120,000

99.7%

SS304

Tubular

80–100

Power plants

WESP-09

150,000

99.5%

SS316L

Tubular

70–90

Coke & carbon black

WESP-10

200,000+

99.8%

Custom Alloy

Plate+Tubular

80–100

Large industrial complexes

 


Product Description


The Senotay WESP combines advanced electrical charging and engineered water-film technology and corrosion-resistant construction. Our Wet ESP systems are customizable for heavy industrial use and continuous operation, ensuring maximum safety, durability and removal efficiency.

Key highlights include:

  • High collection      efficiency for PM2.5 and submicron particles.

  • Fully automatic      washing system.

  • Stainless steel      or FRP-lined construction.

  • Low-pressure      drop and low energy consumption.

  • Long service      life and reduced maintenance.

 

Wet Electrostatic Precipitator (WESP) — Technical Specification Table

Physical Dimensions

Performance Ratings

Material & Construction

Operational Data

Certifications & Lifecycle

Model Airflow Capacity:   8,000–250,000 m³/h

Collection Efficiency:   95–99.9% for PM₂.₅ / PM₁

SS304 / SS316L / Duplex 2205

−2,000 to +1,200 Pa

: 15–20 years

Length:   3,500–18,000 mm

Corona Voltage:   40–90 kV DC

Stainless Steel — Ø4–6 mm

0.8–3.5 m³/h per tube

4,000–6,000 h

Width:   2,200–7,500 mm

Corona Current:   100–800 mA

FRP / SS316L / Alloy C276

20–70 °C

≥ 1,000,000 cycles

Height:   4,000–16,000 mm

Mist/Fume Removal:   90–99%

SS304 / PP

80 °C

ISO 9001 / CE / EN 12779 / GB 13271

Inlet Flange:   DN500–DN2200

Pressure Drop:   200–600 Pa

Acid-resistant FRP / Rubber 3–6 mm

15–250 kW

C4–C5 High Industrial

Outlet Flange:   DN500–DN2400

Outlet Dust Concentration:   ≤ 5 mg/m³

EPDM / Neoprene

3–25 kWh per 10k m³/h

IP55–IP65 Electrical Panels

BCD:   350–2,500 mm

Ozone Production (inside   chamber): < 0.02 ppm (controlled)

upport Frame Thickness:   6–14 mm

 4–12 Reinforced   Lugs

EU VOC & PM Regulations

Approx. Weight:   4,500–65,000 kg

Gas Velocity:   0.8–1.6 m/s

Epoxy 120 μm + PU 140 μm

10–120 min (adjustable)

≥ 98%

 

How Does a WEP Work?


  1. Gas Inlet: Polluted gas      enters the WESP.

  2. Ionization      Zone: High-voltage electrodes create an electrical field that charges      fine particles and aerosols.

  3. Collection      Zone: Charged particles migrate to collecting tubes or plates.

  4. Water Film      Rinsing: Continuous flushing removes captured pollutants, preventing      buildup.

  5. Clean Gas      Outlet: Clean, moisture-neutralized gas exits the system.

WESP works effectively even with high humidity, corrosive compounds, and sticky pollutants.

 


CORE COMPONENTS


  • High-Voltage      Power Supply.

  • Corona      Discharge Electrodes.

  • Collecting      Tubes / Plates.

  • Insulators and      Support Frame.

  • Water Spray /      Cleaning System.

  • Gas      Distribution System.

  • FRP/Stainless      Steel Housing.

  • Control Cabinet      & Sensors.

 

Technical Advantages in Manufacturing WESP at Senotay


  • 15+ years of      engineering experience.

  • Advanced CNC      fabrication.

  • Corrosion-resistant      design technology.

  • High-voltage,      stable power control system.

  • Modular &      customizable engineering.

  • ISO9001 / CE      certified production.

  • On-site and      remote technical support.

 

 

 

FAQs - WESP


1. What pollutants can a WESP remove?

Answers:It removes fine particulates, acid mists, heavy metals, tar/oil mist, ammonia aerosol, VOC mists, and smoke.


2. Is a Wet ESP better than a Dry ESP?

Answers:For sticky, corrosive, and submicron particles, WESP is significantly more effective.


3. What is the lifespan of a WESP?

Answers:Typically 15–20 years with proper maintenance.


4. Can WESP handle high-humidity exhaust?

Answers:Yes. WESP is designed specifically for wet, sticky, and moisture-laden gas streams.


5. Does Senotay provide installation and after-sales support?

Answers:Yes. Senotay provides turnkey engineering, installation, commissioning, and lifelong technical support.


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