Anti-Freezing Measures for Baghouse Dust Collectors in Winter

After the installation of a baghouse dust collector, enterprises not only monitor its operational performance but also take external environmental factors into account. For instance, how to maintain the dust collector to prevent freezing in winter? In winter, some dust collectors may experience a decline in dust removal efficiency to varying degrees, or obvious clogging of filter bags. As a professional dust collector manufacturer, we offer the following recommendations to address these issues:

1. Install heating tapes

Temperatures drop significantly in winter, which can cause icing on the surface of the dust collector or filter bags—an issue that will severely hinder the normal operation of the equipment. A commonly adopted and effective solution is to install heating tapes. The heating tapes maintain the internal temperature of the dust collector within a stable range, ensuring its operational efficiency is not compromised.

2. Implement proper thermal insulation measures

Thermal insulation is essential for the dust collector to resist cold air intrusion in winter. For areas with extreme day and night temperature differences, the dust collector is factory-fitted with thermal insulation measures. Some enterprises may neglect insulation, assuming the local temperature variation is negligible, only to find it necessary to retrofit insulation hastily in winter to ensure normal operation. In fact, thermal insulation is a straightforward process: simply wrap the outer casing of the dust collector with insulating materials such as foam boards or felt to keep the internal temperature stable and prevent icing. Insulation should also be applied to the air inlet and outlet to further reduce the risk of icing.

In addition, some enterprises need to replace the hydraulic oil of the centrifugal induced draft fan. In winter, high condensation point of hydraulic oil can easily lead to fan malfunctions, which will directly affect the operation of the dust collector. To avoid such issues, it is critical to replace the oil with anti-freezing hydraulic oil in advance. When operating the dust collector in winter, attention should also be paid to the ash collection hopper. For materials that are recycled for secondary use, inspect the sealing strips of the dust collector’s ash hopper to check for oxidation damage caused by prolonged exposure to high temperatures and direct sunlight in summer.