Industrial Dust Control Challenges
To identify the challenges pertaining to industrial dust control that can be turned into articles for a manufacturer of industrial dust collectors.
- Types of dusts that pose the most common yet serious challenges at processing facilities are: excess, toxic or combustible dust.
- These dusts are not only generated from the raw materials, chemicals or ingredients used in production processes, but also from processes such as fabrication which involves welding, grinding, blasting, forming, mixing, drying, conveying and blending.
- Controlling these types of industrial dust categories is particularly challenging as these dusts can become airborne, and pose fire and explosion hazards.
- Some drawbacks that are found to be the most common in dust collection systems are: high differential pressure, improperly fitted bags, use of unclean bags that require immediate replacement, use of improper filter media and leaks.
- One of the challenges faced by mining industries while controlling dust is the generation of dust far from the mining fronts.
- These dusts are generated by the transfer points located on the intake side of a long wall during the run-of-mine conveyor transportation in a stream of fresh air.
- Some common challenges faced by a facility that runs a dry dust collection system are related to filters that aren’t cleaning properly, collectors that are operating at a low volume and collectors that are operating at excessive volume.
- Industrial dust collectors that use reverse pulse compressed air cleaning are often placed on the top of bins that collect dust and debris from industrial processes.
- These collectors use a blast of air typically supplied at a regulated pressure of 60 to 80 psi from the compressed air system that is built on a set of blast valves, one per row of filters.
- These blast valves are often vulnerable to aging and cracking. Also, the control circuits run the risks of failing or freezing up resulting in the blast valves consuming hundreds of cubic feet per minute on a constant basis.
- Therefore, while using reverse pulse dust collectors, operators should continuously ensure that the flow is restricted.
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