Custom Cartridge Dust Collector Manufacturer

Overview

A cartridge dust collector uses pleated filter media to capture fine particulates from industrial air streams. The pleated geometry increases surface area while maintaining a compact footprint, allowing higher airflow rates compared to bag‑type collectors of similar size. This design reduces pressure drop and extends filter life when the media is properly selected for the dust characteristics.

Design Principles

The collector housing is typically constructed from welded carbon steel with a powder‑coat finish for corrosion resistance. Internally, a perforated plate supports the cartridge array and directs dirty air toward the filter media while clean air exits through a plenum. The cleaning system employs pulse‑jet compressed air that blows short bursts downstream, dislodging collected dust into a hopper below.

Cartridge spacing is calculated to ensure adequate pulse penetration and prevent media blinding. Typical center‑to‑center distance ranges from 60 mm to 90 mm depending on cartridge diameter and dust loading. The hopper angle is kept at 70° to facilitate gravity discharge without bridging.

Filter Media Options

Media selection hinges on particle size distribution, temperature, and chemical compatibility. Common substrates include polyester, polypropylene, and PTFE‑coated blends, each offering different efficiency curves and resistance to moisture or hydrocarbons. For high‑temperature applications (>150 °C) a fiberglass base with a high‑temperature coating is available.

• Polyester: suitable for ambient temperatures up to 120 °C, good resistance to alkaline dust.
• Polypropylene: excels in acidic environments and retains strength when wet.
• PTFE‑coated polyester: provides low surface energy for sticky particles and reduces cake buildup.

Housing and Configuration

Collectors can be arranged as vertical inline units or side‑access modules depending on plant layout. Inline designs allow ductwork to connect directly to the inlet and outlet flanges, reducing elbows and pressure loss. Side‑access models provide cartridge removal without dismantling the ductwork, which shortens maintenance time.

Standard flange ratings are ANSI 150 lb, but PN10/16 flanges are offered upon request. The housing thickness is typically 3 mm for units under 2 m³/min airflow; larger capacities increase to 4 mm or 5 mm to maintain structural stability under operating pressure.

Typical Performance Parameters

Customization Choices

Every unit is engineered to match the specific dust characteristics, space constraints, and integration requirements of the client. The following aspects can be tailored:

• Cartridge length (600 mm – 1500 mm) and diameter (140 mm – 320 mm)
• Number of cartridges per module (4‑48)
• Inlet/outlet flange orientation and size
• Hopper discharge mechanism (rotary valve, screw feeder, slide gate)
• Control panel options (local push‑button, PLC‑based, remote monitoring)

Applications

In metalworking, fine oxide fumes generated during grinding and cutting contain sub‑micron particles that pose inhalation risks. A pleated cartridge collector provides the high filtration efficiency needed to meet occupational exposure limits while allowing the captured fines to be reclaimed for recycling.

Woodworking shops produce sawdust that varies from coarse chips to fine respirable fraction. The modular cartridge bank can be sized to handle peak loads during sanding cycles, and the pulse‑jet cleaning prevents blasting of resinous particles that would otherwise clog the media.

Pharmaceutical powder handling demands containment of potent active ingredients. Using PTFE‑coated cartridges ensures low particle adhesion and facilitates frequent filter changes without cross‑contamination, supporting compliance with GMP standards.

Quality Control

Each housing undergoes dimensional inspection using laser‑tracked CMM to verify flange flatness and hole alignment within ±0.2 mm. Cartridge sealing surfaces are checked for uniform compression force to guarantee a leak‑free interface.

Before shipment, a pressure‑hold test at 1.5 times design pressure is performed for 10 minutes with no allowable drop. The pulse‑jet system is cycled through its full pressure range to confirm valve operation and timing accuracy.

Frequently Asked Questions

• Can dimensions be customized? Yes, cartridge length, diameter, and housing geometry are adjusted to fit site constraints.
• What information is required before quotation? Process airflow, dust particle size distribution, temperature, and any corrosive components.
• What materials are available for the housing? Carbon steel with powder‑coat, stainless steel grades 304/316, or galvanized steel per specification.
• How is quality inspected? Dimensional CMM checks, seal compression verification, pressure hold test, and functional pulse‑jet verification.
• What packaging methods are available? Units are skid‑mounted, wrapped in protective film, and secured with steel straps for container shipment.
• What is the typical production lead time? 6‑8 weeks for standard configurations; custom builds depend on design complexity.

Contact Us

To discuss your specific dust collection needs, provide your process parameters and we will return a detailed quotation with layout drawings.