A water film dust collector is a type of wet dust collector that uses liquid contact to capture suitable particles from industrial exhaust air. It can be considered for selected hot, humid, sticky or high-dust-loading applications where dry filtration may be less suitable.
A water film dust collector is a type of wet dust collector that uses water or another suitable scrubbing liquid to contact dust-laden air. During wet scrubbing, dust particles become wetted and are transferred from the airstream into the liquid, allowing the collected material to settle or discharge as slurry.
Water film dust collectors are often discussed as wet scrubbers or wet dust collection systems. The appropriate equipment should be selected according to the dust properties, operating temperature, moisture, airflow, wastewater handling requirements and project conditions.
Dust-laden air enters the wet collector and passes through a liquid-contact zone. Water droplets, a water film or turbulent water waves create contact between the particles and the scrubbing liquid. The collected particles are then carried into the water tank, while the treated air passes through internal mist-elimination components before discharge.
In an EHWD self-induced wet dust collector, high-velocity airflow is used to generate turbulent water waves for primary dust capture. This design does not require a water pump or spray nozzles for the main scrubbing process.
Water film dust collectors can be considered for selected industrial applications involving hot, humid, oily, sticky or high-dust-loading exhaust air. Wet collection may also be considered where dry filter media could become blocked or require frequent replacement.
The final selection depends on the actual collected material. Some dusts may react with water, create corrosion concerns or require specific wastewater treatment arrangements. These factors should be evaluated before a wet dust collector is selected.
Collected dust is transferred into the scrubbing water and discharged as sludge or slurry. The system may use recirculating water, controlled make-up water and a suitable sludge-discharge arrangement according to the dust load and operating schedule.
Where required, external solid-liquid separation equipment can be used to treat slurry, recover solids and return clarified water for reuse. The treatment method should be determined by the collected dust properties and site conditions.
Before selecting a water film wet dust collector, confirm the dust type, airflow, temperature, moisture content, possible corrosion, sludge characteristics and local environmental requirements.
For dust with combustible, corrosive or water-reactive properties, any additional safeguards should be determined according to the actual process and project requirements.
1. Vertical modular cartridge dust collector designed for high dust loading, fine dry dust and large-airflow industrial filtration applications. 2. Standardized DHC filtration modules can be combined to increase total airflow, allowing flexible system expansion according to project requirements. 3. Vertical cartridge arrangement with side-door access and eccentric cam fixing allows convenient filter inspection and replacement. 4. Single-stage cartridge filtration, two-stage cartridge + HEPA filtration, and three-stage cartridge + HEPA + activated carbon filtration configurations are available. 5. HEPA final filtration can be added for applications requiring very low particulate emissions, while activated carbon can be used as an additional polishing stage for suitable odor or VOC applications. 6. Standard single-module airflow ranges from 4,000 to 10,000 m³/h, and multiple DHC8 modules can be combined for systems up to 80,000 m³/h as shown on this page. 7. Equipment dimensions, filter media, color and OEM configuration can be customized according to project requirements.
1. Vertical all-in-one cartridge dust collector designed for compact installation, convenient operation and efficient dry dust filtration. 2. Suitable for compatible dry dust and fume applications with dust-laden air temperatures below 120°C. 3. Vertical cartridge arrangement with side-door access allows convenient cartridge inspection and replacement. 4. Pleated cartridge filters provide a large filtration area within a compact equipment footprint, with automatic pulse-jet cleaning for routine filter cleaning. 5. Optional HEPA final filtration and activated carbon filtration can be added according to the required particulate and odor/VOC treatment needs. 6. DHC-YT series models are available with airflow capacities from 4,000 to 12,000 m³/h. 7. Equipment color, filter media, voltage, frequency and OEM configuration can be customized according to project requirements.
1. Downflow oblique modular cartridge dust collector designed for flexible capacity expansion through standardized modular units. 2. Compact modular construction helps reduce installation footprint and allows the equipment to be divided into transport-friendly sections for easier shipping and assembly. 3. Pleated cartridge filters provide a large filtration area within a compact equipment volume, with automatic pulse-jet cleaning for routine filter cleaning. 4. Standard EHDFT modules can be combined to increase total airflow according to project requirements, with configurations available up to 100,000 m³/h. 5. Optional two-stage filtration with cartridge filters and HEPA final filtration is available for applications requiring additional filtration performance. 6. Stainless steel construction, abrasion-resistant inlet arrangements, exhaust dampers and explosion protection components can be evaluated according to the application. 7. Suitable for compatible dry dust and fume applications without oil or water, subject to the confirmed dust characteristics and project safety requirements. 8. Equipment configuration, filter media, color a
No. 173, Wuwei Industrial Zone, Xushe Town, Yixing, Jiangsu, China© 1994-2026 7US.com. All rights reserved | Privacy PolicySite map
Phone
