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Dust Collecting Systems

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Dust Collection Systems

Dust collecting systems are designed to improve air quality within industrial settings. These machines consist of several components, all of which work together to reduce atmospheric workplace contamination caused by dust particles. They are commonly found in locations such as manufacturing facilities, workshops, and plants. Read More…

Dust Collection Systems Dust collecting systems are designed to improve air quality within industrial settings. These machines consist of several components, all of which work together to reduce atmospheric workplace contamination caused by dust particles.
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Leading Manufacturers

Chapel Hill, NC  |  800-267-5585

What does it take to manufacture quality dust collecting systems? We have been providing a definitive answer to that question for more than two decades. We’re staffed by the most knowledgeable experts in the business – our professionals have over 110 years of combined experience. Visit our website or call us to learn how we can solve your contaminant and debris management problems.

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Quality Air Management $$$

Alsip, IL  |  708-597-7090

Since 1981, Scientific Dust Collectors has provided solutions for dust collecting, indoor air quality, separation equipment, and more. Our team of engineers has the capability to assist in the design of a dust collecting system and ducting that best fits your workplace. Design, engineering, and sales support are all done in one location at our Alsip, IL facility. Our goal is to give customers the ...

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Scientific Dust Collectors $$$

Liverpool, NY  |  315-451-5300

Griffin Filters is a trusted and dedicated leading manufacturer in the dust collector industry. We offer a wide selection of dust collectors with customization options available in order to serve various industries. Our experts are committed to manufacturing high-quality dust collectors that fit our customers' needs at competitive prices. Since its start in 1950, Griffin Filters has been setting...

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Griffin Filters $$$

Sterling Heights, MI  |  888-928-4215

Ever since our inception in 1989, Robovent has been a leader in the manufacturing and design of ventilation and filtration systems. We have experience coming up with solutions to protect our customers from a wide range of dust, including aluminum dust, cast iron grinding dust, fertilizer dust, and more. Industries we serve include automotive, military, construction, medical, and aerospace. For a...

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RoboVent $$$

Loganville, GA  |  866-366-2034

Environmental Clean Air Company provides clean air solutions for a wide variety of indoor air quality problems. We offer a wide selection of dust collectors, mist collectors, welding booths, work containment booths, cyclones, electrostatic filters, air cleaning and filtration equipment to meet the demands of today's Industry.

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Environmental Clean Air Company $$$

Plymouth, MN  |  877-205-9015

As a leading manufacturer in the dust collecting industry, Delfin Industrial Vacuums is dedicated to manufacturing high-quality products. Our main focus has always been to provide our customers with high-quality products that are built to last. Delfin is an ISO 9001 certified company.

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Delfin Industrial Vacuums $$$

Hartland, WI  |  800-854-0030

Our dust collecting systems are designed to eliminate respirable airborne contaminants from the work environment. We believe that eliminating airborne contamination in the workspace can lead to better employee performance.

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Midwest Finishing Systems, Inc. $$$
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Why Use Dust Collecting Systems?

Although it is usually vague, the term dust can be defined as any miniscule, solid, and airborne particle produced by some process of physical disintegration. Most fabrication industries depend on processes that release dust particles into the air and pose a threat to the well-being of industrial equipment and the workers who manage them. A sampling of respiratory health issues associated with dust contamination include bronchitis, severe asthma, and cancer. (Some of these and similar issues are caused by fine chemicals or fungi embedded within industrial dust.) Dust contamination also threatens the industrial workplace by increasing its susceptibility to fire or spontaneous explosions.

Dust collecting systems are built to help minimize the threats posed by dust contamination as much as possible. Some disadvantages of these systems are the fact that they take up a lot of space and, once designed, cannot be easily reconfigured. Industrial businesses, however, generally find dust collecting systems necessary to comply with governmental standards for regulating emissions. While the elaborate design and installation of dust collecting systems may prove inconvenient at times, these systems generally “pay off” in the long run by enabling more effective particle reduction in the air, increasing longevity of equipment and improving working conditions for employees.

dust collectorDust Collector-Quality Air Management

How Dust Collection Systems Work

The process dust collection systems use to clean air can be divided into three basic steps: capturing contaminated air, transporting or conveying contaminated air (through pressure) to a central collection unit, and collecting and ejecting harmful substances through various filtering mechanisms and expulsion processes.

Since they all participate in the same basic process, most dust collecting systems share a few fundamental features. Suction hoods (also known as exhaust hoods, capture hoods, or capture arms) hang over or attach to areas where dust is formed (such as a machine’s dust port), enabling the collection of dust at its source. Ducts are passageways that contaminated air travels through once it has been captured. Air that travels through this central suction unit eventually reaches one of the dust collectors within the system. (Some type of fan or motor is responsible for creating the air stream that pulls contaminated air into the duct system through the capture points.) Filters or dust collectors (either stand-alone or in multiple series) form the “heart” of the dust collection system and perform the actual process of separating harmful particles from the air.

Variations can exist on the basic process performed together by these different parts. For example, sometimes dust collection systems release clean air back into the workplace instead of merely ejecting contaminated air. Alternatively, some dust collection systems are designed to recover desired dust particles from an industrial process (as opposed to ejecting unwanted particles).

Types of Dust Collection Systems

Since actual filtration components form the “heart” of dust collecting systems, identifying such systems by their filtering mechanisms is a convenient method of categorization. Such filters exist in a wide range of shapes, designs, materials, etc. Some materials used to construct dust filters include synthetic cellulose, polyester-silicon complexes, and various types of cloth.

Dust collecting systems may involve multiple types of collectors. A brief survey of some of the more common or notable dust collectors follows below.

Baghouses are the most common and most efficient type of dust collector. Within a baghouse dust collector, a fan creates a vacuum, forcing contaminated air through fabric filters located in a bag. The fabric filters catch the particles, allowing clean air to exit the machine’s outlet while dust particles settle to the bottom of the machine’s chamber. The most common variations of baghouse dust collectors are distinguished by the method they use to clean the filter bags. They include shaker dust collectors, which physically shakes filter bags at intervals to remove dust buildup, reverse air dust collectors, which temporarily reverse air flow within the dust collector to reduce dust buildup, and jet dust collectors, which utilize jets of air to reduce dirt buildup in the fabric filters.

Cyclone dust collectors (or cyclone separators) are a type of dust collector known as an inertial separator. Inertial separators separate dust particles from the air by way of centrifugal force within a hopper-shaped chamber. A rotating stream of gas creates the centrifugal force within this type of dust collector. Since particles are heavier than air, they are forced against the wall of the chamber. As particles collide at the chamber wall, they eventually settle to the bottom of the chamber and are collected. Variations of cyclone separators include skimmer cyclones, reverse-flow cyclones, axial flow cyclones, and secondary air flow dust collectors. Cyclone separators are ideal for “pre-treatment” industrial operations. They are often used to perform initial steps of removing coarse dust or simply reducing initial dust levels for a second dust collector.

Dust Extraction Systems are vital parts of production facilities, workshops, factories, plants, and industrial complexes. As a type of pollution control equipment, they help filter and remove particulate contaminants in the air, ensuring that the workplace and the surrounding environment are free from harmful fumes and airborne particles. Industries like mining, asphalt production, chemical plants, welding, pharmaceuticals, and food processing benefit greatly from dust extraction systems. It provides safety by maintaining environmental and workplace cleanliness.

In addition, dust extraction systems also serve as fire suppression systems by helping collect flammable and explosive dust. It also helps reduce odorous contaminants and helps businesses comply with safety and environmental regulations.  All of these combined will result in high-quality production, enhanced worker morale, and greater manufacturing efficiency.  Therefore, it is important for business owners and design engineers to know how dust collection systems work, their types, parts, and the kinds of materials they can extract. As concerns for the environment continue to grow, installing dust collection systems has become a necessity for all types of industrial and manufacturing operations.

Baffle chamber dust collectors operate somewhat similar to cyclone separators, since they depend on inertia to capture dust particles. Instead of using a rotational air stream, baffle chambers depend on rapid redirection to clean contaminated air. More specifically, these types of dust collectors use a stationary baffle plate (or impingement baffle) to redirect incoming gas streams. As contaminated air is suddenly and forcefully redirected by the baffle, large dust particles exit the air stream and settle in “dead space” to be collected.

Wet scrubbers are any type of dust collection system that cleans contaminated air of dust by forcing it into contact with a type of scrubbing liquid. (Most often, this liquid is simply water.) In general, the proficiency of the scrubbing process depends directly on the intensity of the contact between the air and the liquid. As water droplets obstruct or are scattered among a contaminated air stream, they trap dust particles by various means (e.g. snaring larger dust particles due to their inertia, causing finer particles to adhere to them by diffusion). Once they have passed through the scrubbing liquid, gas streams are dehumidified by mist eliminators or demister pads. Solids accumulate at the bottom of the wet scrubber’s tank for later removal. Broadly speaking, wet scrubbers can be divided into wetted surface scrubbers (which include baffle spay scrubbers, cyclonic spray scrubbers, fibrous bed scrubbers, etc.) and distributed liquid scrubbers (which include spray tower scrubbers, plate tower scrubbers, self-induced spray scrubber, etc.)

Electrostatic precipitators (or ESPs) are sophisticated dust collectors which depend on charged ions to clean contaminated air. Coronas within machines produce ion streams, which attract dust particles and deposit them on a collection electrode for removal. The terms single stage or double stage are used to refers to ESPs and signify whether or not the charging and collection processes occur in the same area. Single stage electrostatic precipitators can possess plate or tubular configurations. ESPs typically use a process known as rapping, liquid film, or liquid spray to remove collected dust.

The majority of dust collection systems are central dust collection systems, which occupy a single location in an industrial setting and connect to dust sources via ducts. There are other dust collection systems that use portable collectors for localized but efficient dust collection. Rather than connecting to machines from a central location, these types of dust collectors can be moved among machines to simplify and streamline the dust collection process. For example, shop vacuums are a common type of portable dust collector that can be used to collect dust from handheld power tools (such as sanders and routers found within a woodworking shop). Self-contained collectors such as downdraft tables are ideal for independent work areas.

Dust Collection System Accessories

Dust collecting systems typically work in conjunction with other products that form an overall air quality control strategy. A wide range of fittings (e.g. a stepped adapter) exist to connect actual dust collection components to the mechanical sources of dust within your industrial environment. Accessories such as isolation devices and precise valves are sometimes used to enhance dust collection at the dust sources. Filtration units are sometimes mounted to the ceilings of industrial shops to assist in dust collection.

Industries That Use Dust Collecting Systems

Dust collecting systems are used by numerous industries, including cement fabrication, metal fabrication, mining, furniture, recycling, agriculture, automotive, construction, medical, pharmaceutical, glass, etc. Metalworking shops, woodworking shops, scrap metal businesses, recycling plants, pulp and paper plants, saw mills, and steel mills are just a few of the many locations where an industrial dust collection system is essential.

Care and Upkeep

Like all sophisticated industrial equipment, dust collection systems require regular maintenance and inspection to maximize their usage. An important safety measure when using dust collection systems is grounding in order to prevent the buildup of static electricity. Too much static electricity increases the risk of fire or explosion in your industrial setting (a primary reason to use dust collection systems in the first place).

Considerations When Choosing a Dust Collector

It is important to note that a dust collection system functions best within an overall air quality control strategy that may include many other components. Since dust collection systems themselves consist of multiple parts that can vary widely, they tend to be more prone to customization and upgrading than other industrial apparatuses. Thus, when considering dust collection systems, it is important to find a dust collector supplier with a reputation for expertise and customer advice as well as quality products.

A sampling of pertinent considerations when choosing a dust collection system follows below:

What type of dust am I trying to remove? The type of dust collector and filtration media required largely depends on the type of substance being removed. For example, synthetic cellulose filters work best for removing dry dust. “Spun-bond” filters, however, work best if moist or sticky dust is being removed.

How much dust can this system remove, and how fast can it remove it? An effective dust collector needs to move sizable amounts of air at reasonably fast rates. Air velocity is usually measured in feet per minute (fpm) while air volume is usually measured in cubic feet per minute (cfm). Different dust sources (i.e. different machines) usually have published, minimum cfm requirements for effective dust removal. (For example, the most powerful woodworking tools require dust collection systems with 1000-cfm capabilities to effectively remove wood chips.) Factors such as duct size and static pressure affect a dust collector’s moving capabilities. (Static pressure, or SP, refers to the surface or directional friction that moving air encounters within ductwork.) It is imperative to assess and calculate the moving requirements for your dust sources (with the aid of a dust collector manufacturer or supplier, if necessary) before investing in dust collection systems.

Will a central or portable dust collection system work best? Central dust collection systems work best if you require a great amount of vacuum power to clean contaminated air in your environment, you require an out of the way location to conserve valuable central space (central dust collection systems can reside further from dust sources because of their increased power capacities), and if you require a permanent connection to dust sources (e.g. for a large industrial plant). Portable dust collection systems work best if you prioritize affordability and simplicity over power requirements.

How many escape/weak points does this dust collection system possess? Because of their multifaceted nature, even the best dust collection systems cannot always perform at 100% efficiency. In such cases, it may be worth installing a secondary auxiliary dust collection system.

Do I want to recirculate air back inside my environment? Recirculating air through dust collection systems can provide significant advantages. Governmental emission regulations can make it cumbersome and costly to emit contaminated air outside a work environment and into the atmosphere. By recirculating air back inside your work environment, compliance with such regulations can be mitigated. Furthermore, recirculation can further increase financial savings by simultaneously conditioning a work environment (i.e. heating or cooling it) even as it cleans it.

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A baghouse is a pollution control device that uses tubes, envelopes, or cartridges to remove, capture, and separate dirt, particulate matter, and dust from the air of a manufacturing or processing facility. The main components of a baghouse are the media or bags used to filter the particles from the air as it passes through the system...

Dust Collection Systems

Dust Collection Systems

A dust collection system is a system that removes particulate contaminants from the air in production facilities, workshops, and industrial complexes. The system cleans air by forcing it through a series of airtight filters...

Jet Dust Collectors

Jet Dust Collectors

A jet dust collector is a suction filtration unit that pulls dust ladened air into a filtration system that collects particulate matter and releases clean air. The filters of jet dust collectors are cleaned by compressed air that uses...

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