8 Factors to Consider When You are Looking for Custom Dust Filter Bags

8 Factors to Consider When You are Looking for Custom Dust Filter Bags

In almost all manufacturing industries, dust build-up is a major concern. In the food, cement, wood, chemical, waste, plastic,pharmaceutical, food, metal, plastics and other industries, the accumulation of dust compromises the working environment and the quality of the final product.

Having suitable dust collection systems in place is crucial for your businesses to keep its environment and end products safe. Dust filter bags are, therefore, an inevitable part of dust collection systems.

Ordering Custom Dust Filter Bags

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Custom dust filter bags are those with particular weights and surface treatments. You can order filter bags with unique specifications from custom dust bags manufacturers.

Your main aim should be to reduce dust emissions as effectively as possible. Below are 8 factors to consider so that you end up with a custom filter bag that will suit your needs.

1. Fabric of the filter bag

Dust bags come in different materials, the most common ones being woven and felted filter bags. The best materials should efficiently filter and strip dust and be durable.

Needled felts made from conventional polymer fibresare especially gaining popularity thanks to their outstanding properties. These include long life under tough conditions, constant differential pressure and gas flow rate, and better elimination of the filter cake.

2. Temperature of the dust

What is the gas temperature of your dust? Filter bags are divided into room temperature and high-temperature bags.Any gas temperature below 130 degrees is considered normal gas temperature while that above 130 degrees is a high-temperature gas.

If you are dealing with a high-temperature dust gas, you should get a high-temperature dust filter bag.

3. Dust gas humidity

Dust can be dry with a humidity level of less than 30%. Such gases are prone to generate static electricity. A humidity of between 30 and 80 is considered normal, while any gas with humidity above 80 that is said to be a high-humidity dust.

When a high-humidity, high-temperature gas condenses, it is likely to damage the surface of the filter bag especially if it contains chemicals such as sulphur trioxide.

In such a case, easy to clean, waterproof, and oil removing filter bags are great choices. The best design of the filter bag for high moisture gases is rounded or circular.

4. Adhesiveness of dust particles

You should consider the adhesiveness of dust particles. Wet dust is highly likely to be adhesive. In such cases, filter bags with a small adhesive force will not be able to collect the gas, resulting in the accumulation of dust and removal difficulties. Bags such as mirror treatment needled filter bags need to be used.

5. Size of the dust particles

There are different sizes of dust particles. Some are extremely small that you cannot see them with your naked eye. Such particles are extremely dangerous as they are easily absorbed into your body’s cell membrane where they can cause chemical reactivity or even enter the bloodstream.

Larger, visible dust particles are less harmful as they arenot easily absorbed into the body. The best filter bag should catch even the smallest of particles to protect you and your workers from potential health issues.

6. Dust flow and friction

Another factor to consider is dust flow and friction. When dust flow and friction are high, filter bags wear out more. Large dust particles with a size of about 90 microns cause the most abrasion. Those with a size of up to 10 microns cause the least abrasion.

The most common high abrasive dust include silicon, coke, carbon, aluminum, and sinter powders. In such cases, filter bags with high abrasion resistance are most ideal.

7. Chemical composition of dust particles

The chemical composition of your dust particles is also a crucial consideration. Some dust particles contain acids, oxidants, alkalis, and other solvents which react in certain temperatures and levels of humidity. If you are dealing with high chemical dust, you should use filter bags that are resistant to chemical reactions.

8. Additional factors

In addition, the ideal filter bag should:

• Have a performance that fulfils the required emission limits.
• Have high separation efficiency.
• Be easy to clean.
• Have a low pressure loss.
• Have a long service life because this can help save on operating costs. It will alsoenable the long term requirements for the emission of gases.

In Conclusion

The filter bag is said to be the heart of the dust collector and it directly affects the efficiency of the dust collector. In most cases, you will do just fine with a ready-made dust filter bag. Some special conditions, however, will demand that you get a custom dust filter bag.

Considering the factors outlined above will help you determine what to order for when you are reaching out to custom dust filter bags manufacturers.

The best dust filter bags promise lower emissions and fewer bag changes which translate to more savings!

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