Baghouse Dust Collector | Industrial Pulse Jet Bag Filter

1. Overview

The Baghouse Dust Collector, also known as Pulse Jet Bag Filter, is the most widely used dry-type industrial dust removal equipment. Different from cyclone separators for coarse dust separation, this device utilizes high-precision filter bags to intercept fine particulate matter in flue gas and dust-laden airflow. The system adopts offline/online pulse compressed air jet cleaning to blow off dust cake attached to the bag surface. Dust falls into the bottom hopper and is discharged by supporting ash discharge valves. With ultra-low exhaust emission standards, it solves industrial dust pollution, workshop ventilation and flue gas purification problems, matching perfectly with conveying equipment, silo systems and material processing lines.

2. Working Principle

Dust-laden air enters the baghouse chamber from the air inlet, and coarse dust settles into the ash hopper by gravity first. Fine dust is trapped on the outer surface of the filter bag while clean air penetrates the bag and discharges to the atmosphere through the upper clean air chamber and exhaust fan. When the dust resistance reaches the set value, the PLC control system triggers pulse valves to eject high-pressure compressed air instantly. The shock airflow vibrates the filter bag to peel off the dust cake. The fallen dust is continuously discharged by rotary airlock valves or weighted flap valves at the hopper bottom, realizing automatic, cyclic and continuous dust collection operation.

3. Core Features & Advantages

- Ultra-high Filtration Efficiency: Captures PM2.5 fine dust effectively, exhaust emission ≤30mg/Nm³, compliant with international environmental protection standards.

- Online/Offline Pulse Cleaning: Intelligent PLC automatic ash cleaning, no shutdown required during operation, ensuring continuous production.

- Diversified Filter Bag Materials: Polyester, PPS, PTFE and fiberglass bags optional for normal/high-temperature and corrosive flue gas.

- Air-tight Welded Housing: Fully sealed cabinet structure with zero air leakage, preventing cold air condensation and bag moisture sticking.

- Low Energy Consumption Design: Optimized airflow channel reduces fan load and running power consumption.

- Modular Assembly Structure: Standard modular design, easy on-site installation, expansion and maintenance.

- Complete Auxiliary Matching: Compatible with rotary airlock valve, weighted flap valve and slide gate valve for integrated ash discharge control.