Dust Collector

What Are the Hazards of Excessive Pressure Difference in the Dust Collector Housing?

The dust collector housing serves as the main pressurebearing and dustcollecting shell of a bagtype dust collector, mainly composed of an upper housing, middle housing and lower housing (hopper). Core components including filter bags, filter cages and tube sheets are installed inside. Dusty gas enters the housing under the negative pressure generated by the fan. As the gas passes through the surface of filter bags, dust particles are trapped on the outer surface of the bags, while clean air permeates through and is discharged. The housing provides a sealed and stable working space for filtration, pulse cleaning and dust collection.

Supported by air receivers and pulse jet valves, regular highpressure pulse airflow is injected into the housing to shake off dust accumulated on filter bags. The dislodged dust falls into the bottom hopper for centralized collection, enabling continuous cleaning and dust removal. Overall, the housing functions in dustproof sealing, pressure bearing and stabilization, as well as separating clean air from dusty air, ensuring stable operation of the entire dust removal system.

Hazards Caused by Excessive Pressure Difference in Dust Collector Housing

1.Shortened Service Life & Damaged Filter Bags

Excessive pressure difference indicates severe clogging of filter bags and excessive airflow resistance. Longterm highpressure impact causes tearing, damage and accelerated aging of filter bags, raising replacement costs.

2.Increased Fan Load & Higher Energy Consumption

Greater system resistance forces the induced draft fan to operate under overload conditions, resulting in higher electric current and power consumption. In severe cases, fan overload and motor burnout may occur.

3.Reduced Dustremoval Efficiency & Excessive Emissions

Abnormal pressure difference implies ineffective cleaning and excessive dust buildup. Partial dust penetrates filter bags, leading to excessive dust emissions from exhaust gas and potential environmental penalties.

4.Damage to Housing, Air Receivers & Pulse Jet Valves

Longterm high pressure difference subjects the housing to excessive stress, causing deformation and air leakage at welding seams and flanges. It also increases the load on air receivers and pulse jet valves, leading to abnormal operation of the pulsejet cleaning system.

5.Insufficient System Airflow Disrupting Production

Reduced airflow fails to capture workshop dust effectively, causing dust accumulation, poor production environments and even unplanned equipment shutdowns.

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Contact：Yanice Yu

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Email: Yanice@starmachinechina.com