Water repellent, oil proof, dust removal bag

During the operation of the bag filter, the dust bag may form a water or oil film on the surface of the dust due to the high moisture and oil content, as well as the hygroscopicity and deliquescence of the dust in the gas, which may increase the adhesion. Although this helps to capture dust, it will make cleaning difficult. Especially when high-temperature gases are in a high humidity state, condensation occurs due to the cooling effect of external gases. This not only causes the captured dust to scale and even clog on the surface of the filter bag, but also corrodes the structural materials, increasing the operating resistance of the dust collector and directly affecting the normal operation of the bag filter. In view of this, ordinary filter materials have further improved their functionality to adapt to this special working condition, prevent or reduce dust bag sticking, and improve the service life and work efficiency of filter materials.

In recent years, our company has selected reactive fluoride additives for post-treatment of various filter materials such as polyester, polypropylene, needle punched felt, aramid needle punched felt, etc., and has achieved ideal performance stability. Not only does the performance stability test meet Chinese standards, but it also does not affect the appearance style and internal indicators of the original needle punched felt.

Stable performance mechanism:

Using reactive fluoride additives to prepare a mixed working fluid for impregnating filter media, the working fluid reacts with certain functional groups in the fiber macromolecular structure of the filter media to form macromolecular chains, changing the affinity of fibers with water and oil, reducing the surface tension of the filter media to less than that of water and oil, in order to achieve stable performance.

Production process of dust bag:

Fiber loosening - combing - laminating - pre needle punching - main needle punching - calendering - stable impregnation performance - stable working fluid - baking - heat setting - finished product

After being treated with performance stabilizers, various filter materials can form molecular barriers around the fiber surface, which can prevent water and various oil pollutants from adhering to and penetrating. Compared with ordinary filter media, it not only has stable performance characteristics, but also has anti adhesion and easy peeling properties for dust.