What Is A Big Bag Dust Collector?
We refer to the big bag dust collector as the long-bag low-pressure pulse dust collector or the LCDM baghouse dust collector. The LCDM Long Bag Low-Pressure Pulse Jet Dust Collector is an advanced, high-efficiency baghouse system designed for large airflow applications. Developed as an upgrade to conventional short-bag pulse dust collectors, it integrates the best features of compartment backblowing and pulse-jet cleaning technologies. By extending filter bag length and optimizing compressed air usage, the LCDM system delivers superior dust removal, reduced energy consumption, and extended filter life—all controlled via an automated PLC system.
Key Advantages
✔ High-Efficiency Cleaning – Combats dust re-adsorption with powerful pulse-jet technology.
✔ Automated Operation – PLC-controlled valves (exhaust, pulse, discharge) for seamless performance.
✔ ローメンテナンス – External bag access and durable components minimize downtime.
✔ Compact & Robust – Space-saving steel construction with high-pressure resistance (≤5000 Pa).
動作原理
1. Filtration Process
Dust-laden gas enters through the inlet, where larger particles separate by inertia and fall into the hopper.
Remaining gas flows into the filter bag zone; dust collects on the bag surfaces while clean air passes through to the upper chamber and exits via the outlet.
2. Pulse-Jet Cleaning
When resistance reaches 1200–1500 Pa, the PLC triggers cleaning:
Switching valve closes → isolates the chamber.
Pulse valve opens → compressed air deforms bags, dislodging dust into the hopper.
Sequential chamber cleaning ensures uninterrupted filtration.
3. Dust Discharge
Collected dust falls into the hopper and is removed via slide valves or airlock discharge systems.
構造設計
1. Filter Chamber
Sealed, pressure-resistant (δ5mm steel plate, ≤5000 Pa).
Laser-cut perforated plate ensures precise bag alignment and leak-proof sealing.
Access doors for easy bag inspection/replacement.
2. フィルターバッグ
素材： High-temperature, acid/alkali-resistant fabric with reinforced edges.
Stainless steel spring top ensures elasticity and corrosion resistance.
3. Bag Cages
Galvanized steel wire construction for durability.
Conical bottom design simplifies installation/replacement.
Automated production ensures smooth surfaces そして <1% vertical deviation (exceeding national standards).
4. Pulse-Jet System
Arc-shaped nozzles minimize airflow resistance.
Modular blow pipes for easy maintenance.
0.3–0.6 MPa low-pressure cleaning extends bag life.
5. Safety Features
Explosion relief valves with auto-reset function.
Dust-proof plates (70°+ angles) prevent combustible dust accumulation.
Double-layer insulation (air + rock wool) prevents condensation.
Technical Highlights
| 特徴 | 仕様 |
|---|---|
| Max Airflow | Up to 1,000,000 m³/h |
| 効率性 | 99.5–99.9% (dust concentration <50g/Nm³) |
| Cleaning Pressure | 0.2–0.25 MPa |
| Control System | PLC (timed/differential pressure/offline modes) |
Why Choose Darko’s LCDM Dust Collector?
Expert engineering team – We design custom solutions for high-concentration and explosive dust.
Long-lasting durability – Our diaphragm valves last over 100,000 cycles and resist corrosion.
Complete service support – We provide installation guidance and ongoing technical support.
ダーコ’s engineering team has years of industry experience, providing professional technical consultation and support. Our goal is to offer the most suitable solutions based on our customers’ specific needs. Additionally, we provide comprehensive after-sales support to ensure the normal operation of the equipment and customer satisfaction, helping clients maintain performance and extend service life.お問い合わせ today for a customized dust collection solution!
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