FabriPulse® L Dust Collector
A compact Plug & Play bag collector with easiest maintenance
APPLICATION
Bulk Material Transport
Controlling and collecting the dust generated within bulk material conveying and transfers is mandatory for environmental and safety reasons. But also, to limit the impact that product loss can have on the cost of the overall production process.
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Belt Conveying
Particle emissions are generated on each belt transfer, therefore a single filtration unit for the ventilation at each point is required. It is common to find high concentrations of dust where normally low to medium air flow are necessary for a proper dedusting of the transfer point.
A centrifugal fan is required in this application to create a negative pressure at the transfer point. Plug & Play style equipment that integrates its own motorfan will support the process by creating the pressure required, avoiding an extra investment for an additional fan. A key benefit for indoor installations with limited space.
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Belt Feeding
Designing the best air filtration solution is a key factor for this application.
The belt feeder size will depend on the downstream equipment that receives the bulk material and on the bulk itself. Additionally, the filtration unit size and airflow will be dependent on the belt feeder dimensions, so all conditions need to be considered from the beginning when defining the best filtration solution.
A ventilation unit that can be directly integrated into the application is the best solution for ensuring an efficient product recovery that can also return the product back to the process.
Knowing the characteristics of the bulk material will be required for the final configuration of the dust collector, an ATEX certified equipment will be mandatory in case explosive material is handled.
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Pneumatic Transport
The pressure on this application can be positive or negative, which is normally controlled with an external fan or turbine that generates the flow to enable the transport.
Subsequently, no fan is required in the filtration unit used for the ventilation of this process. However, in the positive pressure case, the motorfan incorporated in a Plug & Play equipment can support the process to ensure an optimum operational performance.
Normally mounted and integrated directly on the receiver bin, the filtration unit will allow product recovery and immediate return into the process.
ATEX certified dust collectors will be needed in case potential explosive dust is present.
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Elevators
Selecting and configuring the air filtration solution is key for any application, but critical in the case of elevators for ensuring proper operational performance.
The elevator’s natural movement generates a positive pressure that can be efficiently balanced with the support the dust collector’s fan.
With direct integration into the application’s process design, the filtration unit will not only contribute to recover the product and get it back into the process; it will also ensure an optimum operational performance by supporting the overall process and increasing the productivity.
Small – mid airflow capacity equipment will be sufficient due to the characteristics of the operation, but with an ATEX certification to reduce fire risk in case the material handled is explosive.
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Redlers & Screw Conveyors
Though generating low emissions, a small filtration unit is recommended to prevent dust emissions and to recover the product spread by the movement of chain or the screw. The positive pressure generated by the conveyor at the transfer point can be efficiently balanced with the negative pressure of a ventilation unit. This will support the overall performance of the system, ensuring an optimised operation.
It will also help to collect the solid particles emitted before they get lost into the atmosphere and returning them to the process. There is a potential for cost savings as a result.
The airflow of this application can be less than 1,000m3/h, so a small and compact filtration unit that can be directly integrated into the conveying system is the most convenient and cost-effective ventilation solution.
Designing an efficient dust collection system
The challenge of moving bulk material is the large quantities of solid goods handled continuously and therefore huge dust concentrations are generated as a result. A single installation can have a varying number of transfer points, and all of them will produce emissions at a different level.
The air filtration solution to control those dust emission points can be based on the use of a smaller individual ventilation unit at each emission area, or a centralised collection installation with a larger single dust collector. For an individual ventilation, the filtration unit should be directly integrated into each emission area, recovering product and returning it to the process. Equipment with an easy and quick filter change-out will provide a simplified and agile maintenance operation.
On outdoor transfer systems with no space limits, a centralised collection installation can be set up easily, so as all emission points are connected through a duct system to a larger single dust collector. The filtration capacity of this equipment will be larger and thus the size of the equipment.
In all circumstances the dust type needs to be considered when determining if an ATEX certified equipment is necessary because of the presence of explosive dust.
Original Equipment Manufacturing Partnership
Bag filtration is the technology typically applied for this type of larger transport application, though for specific smaller operations, airflows, and types of dust, cartridge filters can also be a very efficient solution.
AAF’s comprehensive range of dust collectors with compact configurations, easy maintenance, and with possible direct integration in the process will meet the requirements of this processes.
These standardised solutions and our custom services provide the perfect bundle for conveying and transportation machinery Original Equipment Manufacturers, creating a plug & play solution that simplifies the end user’s commission and start-up.
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