Fabric filter bags are widely used in most industries to remove impurities and dust particles that may affect the performance of the company. Here is a guide for purchasing the best filter bag.
First of all, know what you are filtering before you begin your purchase for a filter bag. The efficiency of the filter bag will depend on how well it will tolerate the working environment so that it does not cause danger to your emeployees. If you will be filtering combustible material, it is a good idea to choose filter bags that support combustion such as acrylic felt and polyester.
Filter bags come in various sizes, hence, you need to know the exact specification that will work with your system. You can take the measurements including the length, width and diameter so as to know the right size of filter you will need. Similarly, you can contact your manufacturer who will assist you get a precise measurement of the filter.
Also, consider the inlet temperature because it will play major role in the efficiency and performance of your filter bag. It is important to ensure that the filter is able to handle the temperature in the baghouse system. This is crucial because filters made of thermoplastic can be destroyed when they are exposed to very high heat. For high temperatures filtration, you can use fabrics such as felt polyamide or aramid.
Chemistry with the gas stream is another key consideration when you are choosing fabric filter for your application. Be sure to choose fabric filter bags that will be able resist the chemical that is in the dust particles. A perfect fit for such environment is Teflon whose fibers are chemical resistant to heat degradation. Teflon which has low friction properties is mostly used in boilers, carbon black plants and incinerators.
The risk of a static shock is high in factory setting, hence, it is crucial to keep in mind the dangers of the static before purchasing your filter bag. The risk of the filter bag will mostly depend on the substances being filtered because articles moving at a high rate can intensify the risk. Also, filter bags that have polyester felt fabric or those equipped with copper or stainless steel ground wires are a good option since they ensure that static charge doesn’t reach ground levels.
Do some research on the manufacturing company and ensure that they adhere to strict standards during their manufacture of their products. The company should have experienced staff and qualified sales designers who will work to custom design the bags to meet your specific requirements.