The composition of dust collectors varies depending on the type, but the following are the main components of common dust collectors:

Housing

Includes the upper housing (clean air chamber), middle housing (filter chamber), and lower housing (ash hopper). The housing is usually made of welded or riveted steel plates and is used to house the filter bags, cages, and other components, while also providing sealing and support.

Filter Bag Assembly

Filter bags: These are the core filtering elements of the dust collector, made of fibrous materials (such as polyester, nylon, glass fiber, etc.), and capture dust through interception, sieving, and inertial collision.

Cages: Used to support the filter bags and prevent them from collapsing during filtration. They are usually made of metal or plastic and come in various shapes, such as round and flat.

Dust Cleaning System

Blowing device: Includes blowing pipes, pulse valves, and compressed air tanks. Compressed air is injected into the filter bags at regular intervals or under controlled pressure, causing the filter bags to expand and shake off the dust.

Control device: Such as a pulse controller or PLC controller, used to set the cleaning cycle, pulse width, and other parameters to achieve automatic dust cleaning.

Ash Hopper and Ash Conveying System

Ash hopper: Located at the bottom of the housing, used to collect dust that falls off the surface of the filter bags. The ash hopper is usually designed in a conical or inclined shape to facilitate dust sliding.

Ash conveying device: Such as screw conveyors, scraper conveyors, pneumatic conveying systems, etc., used to transport the dust from the ash hopper to a designated location.

Inlet and Outlet System

Inlet pipe: Introduces dust-laden gas into the dust collector, usually equipped with a regulating valve or baffle plate to adjust airflow distribution and flow rate.

Outlet pipe: Discharges the purified gas from the dust collector, connecting to a fan or chimney to ensure smooth gas discharge.

Control System

Includes electrical control cabinet, sensors (such as differential pressure sensors, temperature sensors, etc.), operation buttons, etc., used to monitor and control the operating status of the dust collector, and to provide remote monitoring and fault alarm functions.

Auxiliary Components

Inspection door: Used for inspection and replacement of filter bags, cages, and other components, usually located on the side or top of the housing.

Platform and ladder: To facilitate maintenance and repair work by operators. Insulation and heat insulation layer: For high or low temperature operating conditions, insulation or heat insulation materials may be installed on the outside of the casing to prevent heat loss or condensation.

Different types of dust collectors (such as bag filters, electrostatic precipitators, cyclone separators, etc.) will differ in their specific structure and function, but the above components are the basic constituents of most dust collectors.