Overwhelmed by the Complexity of Filters? This May Help

A Quick Guide for Choosing Filter Bags

The main benefit of fabric filter bags is to capture and remove air borne dust thus ensuring clean air. The following are some things that you should contemplate when choosing a baghouse filter bag.

Chemistry is critical factor in selecting the right filter bag to match your specific needs. If the environment is chemically active or acidic, you need to find a fabric filter bag that will withstand it. Teflon is an example of a fabric filter that has chemical resistance properties when it comes to dry and wet heat degradation. It is also used in boilers and carbon black plants due to its low friction properties which enable it to effectively release dust cake.

Narrow down your options by determining the size of dust particles you want filtered. Dust characteristic may vary from bulky, fine and coarse. If you are dealing with toxic, corrosive or comestible dust particles, filter bags with fiber such as polyester, acrylic, and polypropylene are ideal since they support combustion.

The level of temperature in the baghouse system will also help you determine the kind of filter bag to purchase. The type of bag you choose will depend with the highest level of temperature it is capable of handling. Finding the right fabric filter bag based on your inlet temperature is crucial because fabrics that cannot withstand high temperatures may be damaged when the temperature rises. Therefore, instead of using thermoplastic, consider fabrics such as felt polyamide and aramid.

In addition, the moisture level in your system may affect the type of baghouse filters you choose. Due to its strong characteristics, polyester fabric is used in chemical, agriculture and woodworking applications as it interacts well with moisture. Besides, it has energy absorption properties and resists most organic solvents, mineral acids and oxidizing agents.

Confirm that the dust collector filter bag you are considering is the right size for your baghouse system. By increasing the length of the filter bags, you will add to the filtering area and you will reduce the number of dust filter bags. But on the other hand, when the filter bag is too short, there will be reduced efficiency, increase in number of dust filter bags and reduced filtering area.

Make sure that your brand of filter bags is from a company that is highly recognized for manufacturing the best baghouse filter bags for your application. The company should have a vast selection of baghouse filter bags so it will be easy for you to choose the correct bag based on its application and your baghouse system.

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