Electrostatic Air Filter for Food Processing Oil Smoke

During the production process, food is added to a deep fryer for high-temperature frying. Palm oil is used to rapidly mature the material, while the outer layer quickly dehydrates to form a brittle shell. This process generates a large amount of water vapour and oil fume.

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Food Processing ESP Filter

Kleanland ESP filter provides an efficient solution for smoke, oil mist, and grease generated during food processing. The system combines gas cooling, multi-stage ESP purification, and exhaust ventilation to improve purification efficiency and ensure stable operation.

With a durable wide-gap electric field and easy-maintenance design, the ESP system effectively reduces oil fumes and visible smoke, helping achieve a clean, virtually smoke-free exhaust at the outlet.

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Process flow of oil fume treatment in food processing

In response to the characteristics of smoke in food processing, this plan proposes a process flow consisting of a smoke collection system (exhaust fan, air duct) + cooling device + main purification system (electrostatic precipitator) + exhaust system (exhaust fan, air duct, chimney). The treatment process flow chart is as follows:

Process flow: fume hood and air ducts collect oily dust waste gas, which passes through a fire damper, cooling device, Kleanland ESP and a second fire damper, supported by a cooling tower, before exhaust air, exhaust duct and exhaust fan discharge it

Why Kleanland

Kleanland food processing purification line: collection hood, cooling section, ESP modules and exhaust stack

Oil Fume Purification Process in Food Processing

Oil fume generated during the frying process is collected and transported to the cooling system, where the temperature is reduced to optimise condensation and prevent equipment blockage. The cooled exhaust gas then enters the ESP purification system, where high-voltage electrostatic technology captures oil mist particles and removes odours through ozone oxidation. The purified air is finally discharged through the chimney by the exhaust fan system.

Instant noodle production line

Typical Scenarios in Instant Noodle Manufacturing

Instant noodle factories typically generate primarily water vapour as a byproduct of cooking and drying processes. If production involves frying the noodles, emissions also include oil vapours and VOCs. As noodles are fried, volatile organic compounds and oil fumes are released. These emissions are generally well controlled through a wet electrostatic precipitator system to comply with environmental regulations.

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Olive oil extraction mill processing line

Smoke and Fumes from Oil Extraction Mills

Mechanical processes like crushing, malaxation and centrifugation generate fine dust and aerosols from olive paste and seeds. Incomplete combustion from boilers and dryers, often fuelled by natural gas, biomass or oil, produces smoke containing CO, NOₓ, particulates and VOCs. Extraction and pressing also release VOCs and oil droplets, causing odours and air quality issues. Electrostatic precipitators or fabric filters capture these emissions, reducing visible smoke and particulate levels.

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Kleanland HV power pack with the high voltage transformer and the HV MCU K3 control board

Highly Integrated HV Supply and Control Unit

With MCU inside, the individual HV power pack enables real-time monitoring and data recording of filter working status, remote parameter configuration using a mobile phone, and microsecond response time to critical protections.

High Voltage
Transformer
HV MCU K3

Parallel HV Based Distributed Control System

Distributed control across multiple HV power packs in a parallel system makes it straightforward to upgrade handling capacity, improve collection efficiency, and reduce downtime for repair and replacement.

Four HV power packs wired in parallel under a single distributed control system

Intelligent Fire Protection System

Full-dimensional fire safety for the ESP filter

Fire protection sequence: alarm button pressed, horn strobe sounds, electrical ball valve opens and water is sprayed across the ESP cells against the air flow

Automatic Cleaning System

Automatic cleaning system. Oscillating spray water flow provides wide and even cleaning coverage, and screening auto wash gives comprehensive cleaning of all parts of the ESP filter.
Kleanland ESP filter with the optional hot air heating unit fitted

Hot Air Heating System (Optional)

Uses PTC heating to supply warm air to the insulator, preventing electrical discharge caused by oil or moisture contamination.

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About Kleanland

Electrostatic Air Filter Manufacturer Since 1992

Kleanland new headquarters building

New Headquarters Building

KLEANLAND has established a new factory in Guangdong, China. This project integrates advanced production design concepts, aiming to build a modern production base that combines efficient manufacturing and intelligent management.

Kleanland fully automated workshop

Fully Automated Workshop

It has fully introduced advanced automated production equipment and technologies to ensure production efficiency and product precision, providing a solid foundation for high-efficiency manufacturing.

Kleanland high-performance digital power pack

High-Performance Digital Power Pack

KLEANLAND advanced digital power pack features automatic discharge control, soft start, and intelligent current adjustment. It protects ESP cells during discharge events and automatically restores output through precise regulation. With automatic tracking and protection functions, it ensures stable operation and optimized purification performance.

222 Valid National Patents · 60 Invention Patents
China National Certificates · UL Certificate · CE Certificate

Kleanland ISO 45001, ISO 9001, CE, UL and ISO 14001 certificates, with CE, ISO, CEP, RoHS and ASHRAE marks

Customers we've worked with

We work with many internationally well-known brands to provide one-stop commercial kitchen oil smoke or industrial exhaust gas treatment solutions. Those brands include

Global Presence in 95 Countries and Regions, and Growing

Serving 95 Countries

Over 300,000 Kleanland units in operation, from commercial kitchens in Southeast Asia to industrial plants across Europe, the Middle East, and the Americas.

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Factory-direct pricing · 8,000 ㎡ production plant · Remote IoT monitoring on every unit

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