The approach is valid for standard cyclones with squared tangential inlets and with a small dust load in the order of max 10 gm3. Dust collection for the small shop 40 dust collectors the wider diameter hose and large air volume created by a dust collector make it the right choice for big machines that create a lot of large, heavier sawdust particles and chips. Cyclones have often been regarded as lowefficiency collectors. Feb 24, 2004 a study on designed and constructed of multicyclone for dust removal in surfboard sanding process wanpen songkham 4437089 phihm m. Connection of several machines is possible, provided the sum of collection system mounts crosssections of the machines to be. Air handling design guide air handling systems dust.
Leaktight laser welded seams, instead of lockform or spiral duct which badly leaks and allows debris harbors and snag opportunities. A list of all the materials and hardware you need to build the dust collector. This web page provides general information on cyclone design, a detailed dimensioned drawing you can use to build your own cyclone from my plans, a spreadsheet that will let you design larger and smaller cyclones of this same design, and some of the details that led to. Finally, dust that is not automatically collected must be collected manually as a recurring direct labor expense. Designing your dust collection system to meet nfpa standards. A dust collector is a mechanical device used to remove dust from an air stream. Each pipe is checked with a light apparatus for any welding. Nordfab dust collection ductwork includes fittings and pipes that range from 3 24 in diameter and feature doublerolled connecting edges that clamp into place to provide heavyduty seals. Draw a topdown view sketch to scale of your machines and dust collector. Evaluation of dust collector systems to optimize performance.
This design guide is based on the works published by bohnet in 1997. Build a seethrough cyclone dust separator for your shop vac. Simply stated, nfpa 654 is an allencompassing standard on how to design a safe dust collection system. Awardwinning duralife bag filters last two to three times longer than standard polyester bags when replacing due to excessive pressure drop, improving the performance, efficiency and bottom line of your baghouse dust collector. The first phase is sizing your duct work for adequate volume and velocity of flow for the type of dust you will be creating. There are two phases to designing your dust collection system. Exploded views showing components and how they go together.
An extracurricular student project nicholas harlow1, robert choate2, joel lenoir3 abstract recently at western kentucky universitys mechan ical engineering thermalfluids laboratory, a student worker, the author of this paper, was given the opportunity to design, build, and test dbt a. If a machine has multiple dust ports, the total cfm for the machine is the sum of all of the ports. Dust collection system informationdust collection design can be complicated, here are a few simply steps to laying out an effective and efficient dust collection system. Includes dimensions in both inches and millimeters. We have simplified the dust collection system design process for smaller shops, it is important to know federal, state and localities have codes and regulations enforced by ahj authorities.
A dust collection design guide in pdf format originally written by air handling systems july 17, 2001 this document designing your air handling dust system is a design guide originally written by air handling systems, and has been converted into a two page pdf document requires acrobat reader. Pdf to design a cyclone abatement system for particulate control, it is necessary to accurately estimate cyclone performance. A downflow dust collector design uses gravity to help separate dust from the air and directs some dust into the hopper before the dust reaches the filter media, which helps cut operating costs and expands cartridge collector capabilities to include more applications generating abrasive dusts. It also, has a built in noise reduction system to bring noise down to a minimum. Over arm dust collection plans justin depew design. Custom industrial duct hood design and fabrication us duct offers unrivaled expertise in custom dust collector hood design and fabrication. Oems and sales reps frequently undersize systems to win contracts leaving customers with a system that. We are uniquely qualified to combine experience in solving various collection problems with years of metal fabrications experience to assist customers in designing suction hoods. The dust collector performance ratings should show that at your given static pressure, the cfm it will provide. Dust collector hoods and industrial duct hoods us duct. The first step in designing your system is to draw a floor plan of your shop area.
The ducting and clamps are made of similar materials. Designing an efficient dust collection system spiral. Aerodyne enviromental aerodyne dust collector facts the past several decades, industrial facilities in a wide variety of industries have deployed dust collection systems as part of its manufacturing process. Cfs dust collector over conveyor belt underneath clinker silo with overhead restrictions. Be sure to indicate the exact location of each dust port.
Another challenge for the plant was the fact that the collectors would run continuously even when cement was not being transported, thus resulting once again in wasted energy. Dust collection units and systems 5 mobile dust collector for collecting, extracting and separating dry wood and plastic dust and chips, suitable for dust collection from two machines simultaneously. Design information design information continued on page 12 type of dust velocity in branches velocity in main metalworking dust 4500 fpm 4000 fpm. As technology and filtration techniques have improved, these systems have changed and evolved to become more sophisticated, and at. Aerodyne environmental manufactures cyclone dust collectors.
During manufacturing the duct material sheet blanks, which are. Dust collection design guide a dust collection design guide in pdf format originally written by air handling systems july 17, 2001 this document designing your air handling dust system is a design guide originally written by air handling systems, and has been converted into a two page pdf document requires acrobat reader. The first step in designing your system is to draw a floor plan of your shop area including the following see example, page. System and ducting design scientific dust collectors. Though the concept for the dust collection system seems simple, many things can go wrong if dont pay careful attention to the design details. Our team of experienced engineers and autocad designers will design your dust collection system to provide proper operation and meet regulatory compliance in accordance with the industrial ventilation manual and nfpa guidelines. Dust collection hood design hood design for industrial. Many socalled baghouse experts know little about proper dust collection design and operation 2. Welcome to the updated cyclone and dust collection research web pages. Threepronged approach when it comes to managing dust, treat the various. A true dust collection system is designed to capture and contain airborne dust. Choose from jet, oneida, powermatic, laguna, rikon and more. General information on dust collector systems air pollution control techniques air pollution control techniques, like all environmental protection systems, have become a subject of global concern there are six 6 major technologies used for air pollution control.
A vent duct shall have a cross sectional area at least as great as that of the vent itself, but. Original design in 1971 compared to high efficiency design by scientific dust collectors. Dust collection for the small shop fine woodworking. Poor design exhaust air product discharge better design. Design and analysis of cyclone dust separator 1muhammad i. For different types of inlet or higher dust loads, some corrections are necessary.
Design information designing your dust collection system. The dust collection system consists of a hood or air collection device, the dust collector, the motive fan and any interconnecting ductwork, stack, dampers, controls, etc. How to make sure your dust collection system complies with. Plus woodcraft carries all of the dust hoses, fittings, clamps, blast gates and accessories in the industry. This article will discuss six considerations when designing a dust collection system. It is regarded as the guiding dust document and the most general on the topic, and it will. Designing and sizing baghouse dust collection systems. Designing a dust collection system in the simplest terms, a dust collection system is comprised of a ducting system to transport. If it is necessary to locate a dust collector with deflagration vents inside of a building, a vent duct shall be used to direct vented material from the dust collector to the outdoors.694 1036 1135 900 1294 911 1229 276 303 171 143 479 723 1288 401 310 1489 554 579 706 1399 23 136 373 345 635 70 1585 1081 87 645 878 1059 905 1262 1047 655 90 890 672 778 696 418 649 540